drivers/gpu/drm/radeon/radeon

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
radeon_lookup_i2c_gpio_quirks
radeon_get_bus_rec_for_i2c_gpio
radeon_lookup_i2c_gpio
radeon_atombios_i2c_init
radeon_atombios_lookup_gpio
radeon_atom_get_hpd_info_from_gpio
radeon_atom_apply_quirks
radeon_get_atom_connector_info_from_object_table
atombios_get_connector_object_id
radeon_get_atom_connector_info_from_supported_devices_table
radeon_atombios_get_dentist_vco_freq
radeon_atom_get_clock_info
radeon_atombios_sideport_present
radeon_atombios_get_tmds_info
radeon_atombios_get_ppll_ss_info
radeon_atombios_get_igp_ss_overrides
radeon_atombios_get_asic_ss_info
radeon_atombios_get_lvds_info
radeon_atombios_get_primary_dac_info
radeon_atom_get_tv_timings
radeon_atombios_get_tv_info
radeon_atombios_get_tv_dac_info
radeon_atombios_parse_misc_flags_1_3
radeon_atombios_parse_power_table_1_3
radeon_atombios_add_pplib_thermal_controller
radeon_atombios_get_default_voltages
radeon_atombios_parse_pplib_non_clock_info
radeon_atombios_parse_pplib_clock_info
radeon_atombios_parse_power_table_4_5
radeon_atombios_parse_power_table_6
radeon_atombios_get_power_modes
radeon_atom_get_clock_dividers
radeon_atom_get_memory_pll_dividers
radeon_atom_set_clock_gating
radeon_atom_get_engine_clock
radeon_atom_get_memory_clock
radeon_atom_set_engine_clock
radeon_atom_set_memory_clock
radeon_atom_set_engine_dram_timings
radeon_atom_update_memory_dll
radeon_atom_set_ac_timing
radeon_atom_set_voltage
radeon_atom_get_max_vddc
radeon_atom_get_leakage_vddc_based_on_leakage_idx
radeon_atom_get_leakage_id_from_vbios
radeon_atom_get_leakage_vddc_based_on_leakage_params
radeon_atom_get_voltage_evv
radeon_atom_get_voltage_gpio_settings
atom_lookup_voltage_object_v1
atom_lookup_voltage_object_v2
atom_lookup_voltage_object_v3
radeon_atom_is_voltage_gpio
radeon_atom_get_svi2_info
radeon_atom_get_max_voltage
radeon_atom_get_min_voltage
radeon_atom_get_voltage_step
radeon_atom_round_to_true_voltage
radeon_atom_get_voltage_table
radeon_atom_get_memory_info
radeon_atom_get_mclk_range_table
radeon_atom_init_mc_reg_table
radeon_atom_initialize_bios_scratch_regs
radeon_save_bios_scratch_regs
radeon_restore_bios_scratch_regs
radeon_atom_output_lock
radeon_atombios_connected_scratch_regs
radeon_atombios_encoder_crtc_scratch_regs
radeon_atombios_encoder_dpms_scratch_regs
   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 
  27 #include <drm/drm_device.h>
  28 #include <drm/drm_pci.h>
  29 #include <drm/radeon_drm.h>
  30 
  31 #include "radeon.h"
  32 
  33 #include "atom.h"
  34 #include "atom-bits.h"
  35 #include "radeon_asic.h"
  36 
  37 extern void
  38 radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum,
  39                         uint32_t supported_device, u16 caps);
  40 
  41 /* from radeon_legacy_encoder.c */
  42 extern void
  43 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
  44                           uint32_t supported_device);
  45 
  46 union atom_supported_devices {
  47         struct _ATOM_SUPPORTED_DEVICES_INFO info;
  48         struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2;
  49         struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
  50 };
  51 
  52 static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev,
  53                                           ATOM_GPIO_I2C_ASSIGMENT *gpio,
  54                                           u8 index)
  55 {
  56         /* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
  57         if ((rdev->family == CHIP_R420) ||
  58             (rdev->family == CHIP_R423) ||
  59             (rdev->family == CHIP_RV410)) {
  60                 if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
  61                     (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
  62                     (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
  63                         gpio->ucClkMaskShift = 0x19;
  64                         gpio->ucDataMaskShift = 0x18;
  65                 }
  66         }
  67 
  68         /* some evergreen boards have bad data for this entry */
  69         if (ASIC_IS_DCE4(rdev)) {
  70                 if ((index == 7) &&
  71                     (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
  72                     (gpio->sucI2cId.ucAccess == 0)) {
  73                         gpio->sucI2cId.ucAccess = 0x97;
  74                         gpio->ucDataMaskShift = 8;
  75                         gpio->ucDataEnShift = 8;
  76                         gpio->ucDataY_Shift = 8;
  77                         gpio->ucDataA_Shift = 8;
  78                 }
  79         }
  80 
  81         /* some DCE3 boards have bad data for this entry */
  82         if (ASIC_IS_DCE3(rdev)) {
  83                 if ((index == 4) &&
  84                     (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
  85                     (gpio->sucI2cId.ucAccess == 0x94))
  86                         gpio->sucI2cId.ucAccess = 0x14;
  87         }
  88 }
  89 
  90 static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
  91 {
  92         struct radeon_i2c_bus_rec i2c;
  93 
  94         memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
  95 
  96         i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
  97         i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
  98         i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
  99         i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
 100         i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
 101         i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
 102         i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
 103         i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
 104         i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
 105         i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
 106         i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
 107         i2c.en_data_mask = (1 << gpio->ucDataEnShift);
 108         i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
 109         i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
 110         i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
 111         i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
 112 
 113         if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
 114                 i2c.hw_capable = true;
 115         else
 116                 i2c.hw_capable = false;
 117 
 118         if (gpio->sucI2cId.ucAccess == 0xa0)
 119                 i2c.mm_i2c = true;
 120         else
 121                 i2c.mm_i2c = false;
 122 
 123         i2c.i2c_id = gpio->sucI2cId.ucAccess;
 124 
 125         if (i2c.mask_clk_reg)
 126                 i2c.valid = true;
 127         else
 128                 i2c.valid = false;
 129 
 130         return i2c;
 131 }
 132 
 133 static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
 134                                                                uint8_t id)
 135 {
 136         struct atom_context *ctx = rdev->mode_info.atom_context;
 137         ATOM_GPIO_I2C_ASSIGMENT *gpio;
 138         struct radeon_i2c_bus_rec i2c;
 139         int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
 140         struct _ATOM_GPIO_I2C_INFO *i2c_info;
 141         uint16_t data_offset, size;
 142         int i, num_indices;
 143 
 144         memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
 145         i2c.valid = false;
 146 
 147         if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
 148                 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
 149 
 150                 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
 151                         sizeof(ATOM_GPIO_I2C_ASSIGMENT);
 152 
 153                 gpio = &i2c_info->asGPIO_Info[0];
 154                 for (i = 0; i < num_indices; i++) {
 155 
 156                         radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
 157 
 158                         if (gpio->sucI2cId.ucAccess == id) {
 159                                 i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
 160                                 break;
 161                         }
 162                         gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
 163                                 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
 164                 }
 165         }
 166 
 167         return i2c;
 168 }
 169 
 170 void radeon_atombios_i2c_init(struct radeon_device *rdev)
 171 {
 172         struct atom_context *ctx = rdev->mode_info.atom_context;
 173         ATOM_GPIO_I2C_ASSIGMENT *gpio;
 174         struct radeon_i2c_bus_rec i2c;
 175         int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
 176         struct _ATOM_GPIO_I2C_INFO *i2c_info;
 177         uint16_t data_offset, size;
 178         int i, num_indices;
 179         char stmp[32];
 180 
 181         if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
 182                 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
 183 
 184                 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
 185                         sizeof(ATOM_GPIO_I2C_ASSIGMENT);
 186 
 187                 gpio = &i2c_info->asGPIO_Info[0];
 188                 for (i = 0; i < num_indices; i++) {
 189                         radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
 190 
 191                         i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
 192 
 193                         if (i2c.valid) {
 194                                 sprintf(stmp, "0x%x", i2c.i2c_id);
 195                                 rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp);
 196                         }
 197                         gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
 198                                 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
 199                 }
 200         }
 201 }
 202 
 203 struct radeon_gpio_rec radeon_atombios_lookup_gpio(struct radeon_device *rdev,
 204                                                    u8 id)
 205 {
 206         struct atom_context *ctx = rdev->mode_info.atom_context;
 207         struct radeon_gpio_rec gpio;
 208         int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
 209         struct _ATOM_GPIO_PIN_LUT *gpio_info;
 210         ATOM_GPIO_PIN_ASSIGNMENT *pin;
 211         u16 data_offset, size;
 212         int i, num_indices;
 213 
 214         memset(&gpio, 0, sizeof(struct radeon_gpio_rec));
 215         gpio.valid = false;
 216 
 217         if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
 218                 gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
 219 
 220                 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
 221                         sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
 222 
 223                 pin = gpio_info->asGPIO_Pin;
 224                 for (i = 0; i < num_indices; i++) {
 225                         if (id == pin->ucGPIO_ID) {
 226                                 gpio.id = pin->ucGPIO_ID;
 227                                 gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex) * 4;
 228                                 gpio.shift = pin->ucGpioPinBitShift;
 229                                 gpio.mask = (1 << pin->ucGpioPinBitShift);
 230                                 gpio.valid = true;
 231                                 break;
 232                         }
 233                         pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
 234                                 ((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
 235                 }
 236         }
 237 
 238         return gpio;
 239 }
 240 
 241 static struct radeon_hpd radeon_atom_get_hpd_info_from_gpio(struct radeon_device *rdev,
 242                                                             struct radeon_gpio_rec *gpio)
 243 {
 244         struct radeon_hpd hpd;
 245         u32 reg;
 246 
 247         memset(&hpd, 0, sizeof(struct radeon_hpd));
 248 
 249         if (ASIC_IS_DCE6(rdev))
 250                 reg = SI_DC_GPIO_HPD_A;
 251         else if (ASIC_IS_DCE4(rdev))
 252                 reg = EVERGREEN_DC_GPIO_HPD_A;
 253         else
 254                 reg = AVIVO_DC_GPIO_HPD_A;
 255 
 256         hpd.gpio = *gpio;
 257         if (gpio->reg == reg) {
 258                 switch(gpio->mask) {
 259                 case (1 << 0):
 260                         hpd.hpd = RADEON_HPD_1;
 261                         break;
 262                 case (1 << 8):
 263                         hpd.hpd = RADEON_HPD_2;
 264                         break;
 265                 case (1 << 16):
 266                         hpd.hpd = RADEON_HPD_3;
 267                         break;
 268                 case (1 << 24):
 269                         hpd.hpd = RADEON_HPD_4;
 270                         break;
 271                 case (1 << 26):
 272                         hpd.hpd = RADEON_HPD_5;
 273                         break;
 274                 case (1 << 28):
 275                         hpd.hpd = RADEON_HPD_6;
 276                         break;
 277                 default:
 278                         hpd.hpd = RADEON_HPD_NONE;
 279                         break;
 280                 }
 281         } else
 282                 hpd.hpd = RADEON_HPD_NONE;
 283         return hpd;
 284 }
 285 
 286 static bool radeon_atom_apply_quirks(struct drm_device *dev,
 287                                      uint32_t supported_device,
 288                                      int *connector_type,
 289                                      struct radeon_i2c_bus_rec *i2c_bus,
 290                                      uint16_t *line_mux,
 291                                      struct radeon_hpd *hpd)
 292 {
 293 
 294         /* Asus M2A-VM HDMI board lists the DVI port as HDMI */
 295         if ((dev->pdev->device == 0x791e) &&
 296             (dev->pdev->subsystem_vendor == 0x1043) &&
 297             (dev->pdev->subsystem_device == 0x826d)) {
 298                 if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
 299                     (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
 300                         *connector_type = DRM_MODE_CONNECTOR_DVID;
 301         }
 302 
 303         /* Asrock RS600 board lists the DVI port as HDMI */
 304         if ((dev->pdev->device == 0x7941) &&
 305             (dev->pdev->subsystem_vendor == 0x1849) &&
 306             (dev->pdev->subsystem_device == 0x7941)) {
 307                 if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
 308                     (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
 309                         *connector_type = DRM_MODE_CONNECTOR_DVID;
 310         }
 311 
 312         /* MSI K9A2GM V2/V3 board has no HDMI or DVI */
 313         if ((dev->pdev->device == 0x796e) &&
 314             (dev->pdev->subsystem_vendor == 0x1462) &&
 315             (dev->pdev->subsystem_device == 0x7302)) {
 316                 if ((supported_device == ATOM_DEVICE_DFP2_SUPPORT) ||
 317                     (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
 318                         return false;
 319         }
 320 
 321         /* a-bit f-i90hd - ciaranm on #radeonhd - this board has no DVI */
 322         if ((dev->pdev->device == 0x7941) &&
 323             (dev->pdev->subsystem_vendor == 0x147b) &&
 324             (dev->pdev->subsystem_device == 0x2412)) {
 325                 if (*connector_type == DRM_MODE_CONNECTOR_DVII)
 326                         return false;
 327         }
 328 
 329         /* Falcon NW laptop lists vga ddc line for LVDS */
 330         if ((dev->pdev->device == 0x5653) &&
 331             (dev->pdev->subsystem_vendor == 0x1462) &&
 332             (dev->pdev->subsystem_device == 0x0291)) {
 333                 if (*connector_type == DRM_MODE_CONNECTOR_LVDS) {
 334                         i2c_bus->valid = false;
 335                         *line_mux = 53;
 336                 }
 337         }
 338 
 339         /* HIS X1300 is DVI+VGA, not DVI+DVI */
 340         if ((dev->pdev->device == 0x7146) &&
 341             (dev->pdev->subsystem_vendor == 0x17af) &&
 342             (dev->pdev->subsystem_device == 0x2058)) {
 343                 if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
 344                         return false;
 345         }
 346 
 347         /* Gigabyte X1300 is DVI+VGA, not DVI+DVI */
 348         if ((dev->pdev->device == 0x7142) &&
 349             (dev->pdev->subsystem_vendor == 0x1458) &&
 350             (dev->pdev->subsystem_device == 0x2134)) {
 351                 if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
 352                         return false;
 353         }
 354 
 355 
 356         /* Funky macbooks */
 357         if ((dev->pdev->device == 0x71C5) &&
 358             (dev->pdev->subsystem_vendor == 0x106b) &&
 359             (dev->pdev->subsystem_device == 0x0080)) {
 360                 if ((supported_device == ATOM_DEVICE_CRT1_SUPPORT) ||
 361                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 362                         return false;
 363                 if (supported_device == ATOM_DEVICE_CRT2_SUPPORT)
 364                         *line_mux = 0x90;
 365         }
 366 
 367         /* mac rv630, rv730, others */
 368         if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) &&
 369             (*connector_type == DRM_MODE_CONNECTOR_DVII)) {
 370                 *connector_type = DRM_MODE_CONNECTOR_9PinDIN;
 371                 *line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1;
 372         }
 373 
 374         /* ASUS HD 3600 XT board lists the DVI port as HDMI */
 375         if ((dev->pdev->device == 0x9598) &&
 376             (dev->pdev->subsystem_vendor == 0x1043) &&
 377             (dev->pdev->subsystem_device == 0x01da)) {
 378                 if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
 379                         *connector_type = DRM_MODE_CONNECTOR_DVII;
 380                 }
 381         }
 382 
 383         /* ASUS HD 3600 board lists the DVI port as HDMI */
 384         if ((dev->pdev->device == 0x9598) &&
 385             (dev->pdev->subsystem_vendor == 0x1043) &&
 386             (dev->pdev->subsystem_device == 0x01e4)) {
 387                 if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
 388                         *connector_type = DRM_MODE_CONNECTOR_DVII;
 389                 }
 390         }
 391 
 392         /* ASUS HD 3450 board lists the DVI port as HDMI */
 393         if ((dev->pdev->device == 0x95C5) &&
 394             (dev->pdev->subsystem_vendor == 0x1043) &&
 395             (dev->pdev->subsystem_device == 0x01e2)) {
 396                 if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
 397                         *connector_type = DRM_MODE_CONNECTOR_DVII;
 398                 }
 399         }
 400 
 401         /* some BIOSes seem to report DAC on HDMI - usually this is a board with
 402          * HDMI + VGA reporting as HDMI
 403          */
 404         if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
 405                 if (supported_device & (ATOM_DEVICE_CRT_SUPPORT)) {
 406                         *connector_type = DRM_MODE_CONNECTOR_VGA;
 407                         *line_mux = 0;
 408                 }
 409         }
 410 
 411         /* Acer laptop (Acer TravelMate 5730/5730G) has an HDMI port
 412          * on the laptop and a DVI port on the docking station and
 413          * both share the same encoder, hpd pin, and ddc line.
 414          * So while the bios table is technically correct,
 415          * we drop the DVI port here since xrandr has no concept of
 416          * encoders and will try and drive both connectors
 417          * with different crtcs which isn't possible on the hardware
 418          * side and leaves no crtcs for LVDS or VGA.
 419          */
 420         if (((dev->pdev->device == 0x95c4) || (dev->pdev->device == 0x9591)) &&
 421             (dev->pdev->subsystem_vendor == 0x1025) &&
 422             (dev->pdev->subsystem_device == 0x013c)) {
 423                 if ((*connector_type == DRM_MODE_CONNECTOR_DVII) &&
 424                     (supported_device == ATOM_DEVICE_DFP1_SUPPORT)) {
 425                         /* actually it's a DVI-D port not DVI-I */
 426                         *connector_type = DRM_MODE_CONNECTOR_DVID;
 427                         return false;
 428                 }
 429         }
 430 
 431         /* XFX Pine Group device rv730 reports no VGA DDC lines
 432          * even though they are wired up to record 0x93
 433          */
 434         if ((dev->pdev->device == 0x9498) &&
 435             (dev->pdev->subsystem_vendor == 0x1682) &&
 436             (dev->pdev->subsystem_device == 0x2452) &&
 437             (i2c_bus->valid == false) &&
 438             !(supported_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))) {
 439                 struct radeon_device *rdev = dev->dev_private;
 440                 *i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
 441         }
 442 
 443         /* Fujitsu D3003-S2 board lists DVI-I as DVI-D and VGA */
 444         if (((dev->pdev->device == 0x9802) ||
 445              (dev->pdev->device == 0x9805) ||
 446              (dev->pdev->device == 0x9806)) &&
 447             (dev->pdev->subsystem_vendor == 0x1734) &&
 448             (dev->pdev->subsystem_device == 0x11bd)) {
 449                 if (*connector_type == DRM_MODE_CONNECTOR_VGA) {
 450                         *connector_type = DRM_MODE_CONNECTOR_DVII;
 451                         *line_mux = 0x3103;
 452                 } else if (*connector_type == DRM_MODE_CONNECTOR_DVID) {
 453                         *connector_type = DRM_MODE_CONNECTOR_DVII;
 454                 }
 455         }
 456 
 457         return true;
 458 }
 459 
 460 static const int supported_devices_connector_convert[] = {
 461         DRM_MODE_CONNECTOR_Unknown,
 462         DRM_MODE_CONNECTOR_VGA,
 463         DRM_MODE_CONNECTOR_DVII,
 464         DRM_MODE_CONNECTOR_DVID,
 465         DRM_MODE_CONNECTOR_DVIA,
 466         DRM_MODE_CONNECTOR_SVIDEO,
 467         DRM_MODE_CONNECTOR_Composite,
 468         DRM_MODE_CONNECTOR_LVDS,
 469         DRM_MODE_CONNECTOR_Unknown,
 470         DRM_MODE_CONNECTOR_Unknown,
 471         DRM_MODE_CONNECTOR_HDMIA,
 472         DRM_MODE_CONNECTOR_HDMIB,
 473         DRM_MODE_CONNECTOR_Unknown,
 474         DRM_MODE_CONNECTOR_Unknown,
 475         DRM_MODE_CONNECTOR_9PinDIN,
 476         DRM_MODE_CONNECTOR_DisplayPort
 477 };
 478 
 479 static const uint16_t supported_devices_connector_object_id_convert[] = {
 480         CONNECTOR_OBJECT_ID_NONE,
 481         CONNECTOR_OBJECT_ID_VGA,
 482         CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I, /* not all boards support DL */
 483         CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D, /* not all boards support DL */
 484         CONNECTOR_OBJECT_ID_VGA, /* technically DVI-A */
 485         CONNECTOR_OBJECT_ID_COMPOSITE,
 486         CONNECTOR_OBJECT_ID_SVIDEO,
 487         CONNECTOR_OBJECT_ID_LVDS,
 488         CONNECTOR_OBJECT_ID_9PIN_DIN,
 489         CONNECTOR_OBJECT_ID_9PIN_DIN,
 490         CONNECTOR_OBJECT_ID_DISPLAYPORT,
 491         CONNECTOR_OBJECT_ID_HDMI_TYPE_A,
 492         CONNECTOR_OBJECT_ID_HDMI_TYPE_B,
 493         CONNECTOR_OBJECT_ID_SVIDEO
 494 };
 495 
 496 static const int object_connector_convert[] = {
 497         DRM_MODE_CONNECTOR_Unknown,
 498         DRM_MODE_CONNECTOR_DVII,
 499         DRM_MODE_CONNECTOR_DVII,
 500         DRM_MODE_CONNECTOR_DVID,
 501         DRM_MODE_CONNECTOR_DVID,
 502         DRM_MODE_CONNECTOR_VGA,
 503         DRM_MODE_CONNECTOR_Composite,
 504         DRM_MODE_CONNECTOR_SVIDEO,
 505         DRM_MODE_CONNECTOR_Unknown,
 506         DRM_MODE_CONNECTOR_Unknown,
 507         DRM_MODE_CONNECTOR_9PinDIN,
 508         DRM_MODE_CONNECTOR_Unknown,
 509         DRM_MODE_CONNECTOR_HDMIA,
 510         DRM_MODE_CONNECTOR_HDMIB,
 511         DRM_MODE_CONNECTOR_LVDS,
 512         DRM_MODE_CONNECTOR_9PinDIN,
 513         DRM_MODE_CONNECTOR_Unknown,
 514         DRM_MODE_CONNECTOR_Unknown,
 515         DRM_MODE_CONNECTOR_Unknown,
 516         DRM_MODE_CONNECTOR_DisplayPort,
 517         DRM_MODE_CONNECTOR_eDP,
 518         DRM_MODE_CONNECTOR_Unknown
 519 };
 520 
 521 bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 522 {
 523         struct radeon_device *rdev = dev->dev_private;
 524         struct radeon_mode_info *mode_info = &rdev->mode_info;
 525         struct atom_context *ctx = mode_info->atom_context;
 526         int index = GetIndexIntoMasterTable(DATA, Object_Header);
 527         u16 size, data_offset;
 528         u8 frev, crev;
 529         ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
 530         ATOM_ENCODER_OBJECT_TABLE *enc_obj;
 531         ATOM_OBJECT_TABLE *router_obj;
 532         ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
 533         ATOM_OBJECT_HEADER *obj_header;
 534         int i, j, k, path_size, device_support;
 535         int connector_type;
 536         u16 igp_lane_info, conn_id, connector_object_id;
 537         struct radeon_i2c_bus_rec ddc_bus;
 538         struct radeon_router router;
 539         struct radeon_gpio_rec gpio;
 540         struct radeon_hpd hpd;
 541 
 542         if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
 543                 return false;
 544 
 545         if (crev < 2)
 546                 return false;
 547 
 548         obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
 549         path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
 550             (ctx->bios + data_offset +
 551              le16_to_cpu(obj_header->usDisplayPathTableOffset));
 552         con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
 553             (ctx->bios + data_offset +
 554              le16_to_cpu(obj_header->usConnectorObjectTableOffset));
 555         enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
 556             (ctx->bios + data_offset +
 557              le16_to_cpu(obj_header->usEncoderObjectTableOffset));
 558         router_obj = (ATOM_OBJECT_TABLE *)
 559                 (ctx->bios + data_offset +
 560                  le16_to_cpu(obj_header->usRouterObjectTableOffset));
 561         device_support = le16_to_cpu(obj_header->usDeviceSupport);
 562 
 563         path_size = 0;
 564         for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
 565                 uint8_t *addr = (uint8_t *) path_obj->asDispPath;
 566                 ATOM_DISPLAY_OBJECT_PATH *path;
 567                 addr += path_size;
 568                 path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
 569                 path_size += le16_to_cpu(path->usSize);
 570 
 571                 if (device_support & le16_to_cpu(path->usDeviceTag)) {
 572                         uint8_t con_obj_id, con_obj_num, con_obj_type;
 573 
 574                         con_obj_id =
 575                             (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
 576                             >> OBJECT_ID_SHIFT;
 577                         con_obj_num =
 578                             (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
 579                             >> ENUM_ID_SHIFT;
 580                         con_obj_type =
 581                             (le16_to_cpu(path->usConnObjectId) &
 582                              OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
 583 
 584                         /* TODO CV support */
 585                         if (le16_to_cpu(path->usDeviceTag) ==
 586                                 ATOM_DEVICE_CV_SUPPORT)
 587                                 continue;
 588 
 589                         /* IGP chips */
 590                         if ((rdev->flags & RADEON_IS_IGP) &&
 591                             (con_obj_id ==
 592                              CONNECTOR_OBJECT_ID_PCIE_CONNECTOR)) {
 593                                 uint16_t igp_offset = 0;
 594                                 ATOM_INTEGRATED_SYSTEM_INFO_V2 *igp_obj;
 595 
 596                                 index =
 597                                     GetIndexIntoMasterTable(DATA,
 598                                                             IntegratedSystemInfo);
 599 
 600                                 if (atom_parse_data_header(ctx, index, &size, &frev,
 601                                                            &crev, &igp_offset)) {
 602 
 603                                         if (crev >= 2) {
 604                                                 igp_obj =
 605                                                         (ATOM_INTEGRATED_SYSTEM_INFO_V2
 606                                                          *) (ctx->bios + igp_offset);
 607 
 608                                                 if (igp_obj) {
 609                                                         uint32_t slot_config, ct;
 610 
 611                                                         if (con_obj_num == 1)
 612                                                                 slot_config =
 613                                                                         igp_obj->
 614                                                                         ulDDISlot1Config;
 615                                                         else
 616                                                                 slot_config =
 617                                                                         igp_obj->
 618                                                                         ulDDISlot2Config;
 619 
 620                                                         ct = (slot_config >> 16) & 0xff;
 621                                                         connector_type =
 622                                                                 object_connector_convert
 623                                                                 [ct];
 624                                                         connector_object_id = ct;
 625                                                         igp_lane_info =
 626                                                                 slot_config & 0xffff;
 627                                                 } else
 628                                                         continue;
 629                                         } else
 630                                                 continue;
 631                                 } else {
 632                                         igp_lane_info = 0;
 633                                         connector_type =
 634                                                 object_connector_convert[con_obj_id];
 635                                         connector_object_id = con_obj_id;
 636                                 }
 637                         } else {
 638                                 igp_lane_info = 0;
 639                                 connector_type =
 640                                     object_connector_convert[con_obj_id];
 641                                 connector_object_id = con_obj_id;
 642                         }
 643 
 644                         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
 645                                 continue;
 646 
 647                         router.ddc_valid = false;
 648                         router.cd_valid = false;
 649                         for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
 650                                 uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
 651 
 652                                 grph_obj_id =
 653                                     (le16_to_cpu(path->usGraphicObjIds[j]) &
 654                                      OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
 655                                 grph_obj_num =
 656                                     (le16_to_cpu(path->usGraphicObjIds[j]) &
 657                                      ENUM_ID_MASK) >> ENUM_ID_SHIFT;
 658                                 grph_obj_type =
 659                                     (le16_to_cpu(path->usGraphicObjIds[j]) &
 660                                      OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
 661 
 662                                 if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
 663                                         for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
 664                                                 u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
 665                                                 if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
 666                                                         ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
 667                                                                 (ctx->bios + data_offset +
 668                                                                  le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
 669                                                         ATOM_ENCODER_CAP_RECORD *cap_record;
 670                                                         u16 caps = 0;
 671 
 672                                                         while (record->ucRecordSize > 0 &&
 673                                                                record->ucRecordType > 0 &&
 674                                                                record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
 675                                                                 switch (record->ucRecordType) {
 676                                                                 case ATOM_ENCODER_CAP_RECORD_TYPE:
 677                                                                         cap_record =(ATOM_ENCODER_CAP_RECORD *)
 678                                                                                 record;
 679                                                                         caps = le16_to_cpu(cap_record->usEncoderCap);
 680                                                                         break;
 681                                                                 }
 682                                                                 record = (ATOM_COMMON_RECORD_HEADER *)
 683                                                                         ((char *)record + record->ucRecordSize);
 684                                                         }
 685                                                         radeon_add_atom_encoder(dev,
 686                                                                                 encoder_obj,
 687                                                                                 le16_to_cpu
 688                                                                                 (path->
 689                                                                                  usDeviceTag),
 690                                                                                 caps);
 691                                                 }
 692                                         }
 693                                 } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
 694                                         for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
 695                                                 u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
 696                                                 if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
 697                                                         ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
 698                                                                 (ctx->bios + data_offset +
 699                                                                  le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
 700                                                         ATOM_I2C_RECORD *i2c_record;
 701                                                         ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
 702                                                         ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
 703                                                         ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
 704                                                         ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
 705                                                                 (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
 706                                                                 (ctx->bios + data_offset +
 707                                                                  le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
 708                                                         u8 *num_dst_objs = (u8 *)
 709                                                                 ((u8 *)router_src_dst_table + 1 +
 710                                                                  (router_src_dst_table->ucNumberOfSrc * 2));
 711                                                         u16 *dst_objs = (u16 *)(num_dst_objs + 1);
 712                                                         int enum_id;
 713 
 714                                                         router.router_id = router_obj_id;
 715                                                         for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
 716                                                                 if (le16_to_cpu(path->usConnObjectId) ==
 717                                                                     le16_to_cpu(dst_objs[enum_id]))
 718                                                                         break;
 719                                                         }
 720 
 721                                                         while (record->ucRecordSize > 0 &&
 722                                                                record->ucRecordType > 0 &&
 723                                                                record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
 724                                                                 switch (record->ucRecordType) {
 725                                                                 case ATOM_I2C_RECORD_TYPE:
 726                                                                         i2c_record =
 727                                                                                 (ATOM_I2C_RECORD *)
 728                                                                                 record;
 729                                                                         i2c_config =
 730                                                                                 (ATOM_I2C_ID_CONFIG_ACCESS *)
 731                                                                                 &i2c_record->sucI2cId;
 732                                                                         router.i2c_info =
 733                                                                                 radeon_lookup_i2c_gpio(rdev,
 734                                                                                                        i2c_config->
 735                                                                                                        ucAccess);
 736                                                                         router.i2c_addr = i2c_record->ucI2CAddr >> 1;
 737                                                                         break;
 738                                                                 case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
 739                                                                         ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
 740                                                                                 record;
 741                                                                         router.ddc_valid = true;
 742                                                                         router.ddc_mux_type = ddc_path->ucMuxType;
 743                                                                         router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
 744                                                                         router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
 745                                                                         break;
 746                                                                 case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
 747                                                                         cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
 748                                                                                 record;
 749                                                                         router.cd_valid = true;
 750                                                                         router.cd_mux_type = cd_path->ucMuxType;
 751                                                                         router.cd_mux_control_pin = cd_path->ucMuxControlPin;
 752                                                                         router.cd_mux_state = cd_path->ucMuxState[enum_id];
 753                                                                         break;
 754                                                                 }
 755                                                                 record = (ATOM_COMMON_RECORD_HEADER *)
 756                                                                         ((char *)record + record->ucRecordSize);
 757                                                         }
 758                                                 }
 759                                         }
 760                                 }
 761                         }
 762 
 763                         /* look up gpio for ddc, hpd */
 764                         ddc_bus.valid = false;
 765                         hpd.hpd = RADEON_HPD_NONE;
 766                         if ((le16_to_cpu(path->usDeviceTag) &
 767                              (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
 768                                 for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
 769                                         if (le16_to_cpu(path->usConnObjectId) ==
 770                                             le16_to_cpu(con_obj->asObjects[j].
 771                                                         usObjectID)) {
 772                                                 ATOM_COMMON_RECORD_HEADER
 773                                                     *record =
 774                                                     (ATOM_COMMON_RECORD_HEADER
 775                                                      *)
 776                                                     (ctx->bios + data_offset +
 777                                                      le16_to_cpu(con_obj->
 778                                                                  asObjects[j].
 779                                                                  usRecordOffset));
 780                                                 ATOM_I2C_RECORD *i2c_record;
 781                                                 ATOM_HPD_INT_RECORD *hpd_record;
 782                                                 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
 783 
 784                                                 while (record->ucRecordSize > 0 &&
 785                                                        record->ucRecordType > 0 &&
 786                                                        record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
 787                                                         switch (record->ucRecordType) {
 788                                                         case ATOM_I2C_RECORD_TYPE:
 789                                                                 i2c_record =
 790                                                                     (ATOM_I2C_RECORD *)
 791                                                                         record;
 792                                                                 i2c_config =
 793                                                                         (ATOM_I2C_ID_CONFIG_ACCESS *)
 794                                                                         &i2c_record->sucI2cId;
 795                                                                 ddc_bus = radeon_lookup_i2c_gpio(rdev,
 796                                                                                                  i2c_config->
 797                                                                                                  ucAccess);
 798                                                                 break;
 799                                                         case ATOM_HPD_INT_RECORD_TYPE:
 800                                                                 hpd_record =
 801                                                                         (ATOM_HPD_INT_RECORD *)
 802                                                                         record;
 803                                                                 gpio = radeon_atombios_lookup_gpio(rdev,
 804                                                                                           hpd_record->ucHPDIntGPIOID);
 805                                                                 hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio);
 806                                                                 hpd.plugged_state = hpd_record->ucPlugged_PinState;
 807                                                                 break;
 808                                                         }
 809                                                         record =
 810                                                             (ATOM_COMMON_RECORD_HEADER
 811                                                              *) ((char *)record
 812                                                                  +
 813                                                                  record->
 814                                                                  ucRecordSize);
 815                                                 }
 816                                                 break;
 817                                         }
 818                                 }
 819                         }
 820 
 821                         /* needed for aux chan transactions */
 822                         ddc_bus.hpd = hpd.hpd;
 823 
 824                         conn_id = le16_to_cpu(path->usConnObjectId);
 825 
 826                         if (!radeon_atom_apply_quirks
 827                             (dev, le16_to_cpu(path->usDeviceTag), &connector_type,
 828                              &ddc_bus, &conn_id, &hpd))
 829                                 continue;
 830 
 831                         radeon_add_atom_connector(dev,
 832                                                   conn_id,
 833                                                   le16_to_cpu(path->
 834                                                               usDeviceTag),
 835                                                   connector_type, &ddc_bus,
 836                                                   igp_lane_info,
 837                                                   connector_object_id,
 838                                                   &hpd,
 839                                                   &router);
 840 
 841                 }
 842         }
 843 
 844         radeon_link_encoder_connector(dev);
 845 
 846         radeon_setup_mst_connector(dev);
 847         return true;
 848 }
 849 
 850 static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
 851                                                  int connector_type,
 852                                                  uint16_t devices)
 853 {
 854         struct radeon_device *rdev = dev->dev_private;
 855 
 856         if (rdev->flags & RADEON_IS_IGP) {
 857                 return supported_devices_connector_object_id_convert
 858                         [connector_type];
 859         } else if (((connector_type == DRM_MODE_CONNECTOR_DVII) ||
 860                     (connector_type == DRM_MODE_CONNECTOR_DVID)) &&
 861                    (devices & ATOM_DEVICE_DFP2_SUPPORT))  {
 862                 struct radeon_mode_info *mode_info = &rdev->mode_info;
 863                 struct atom_context *ctx = mode_info->atom_context;
 864                 int index = GetIndexIntoMasterTable(DATA, XTMDS_Info);
 865                 uint16_t size, data_offset;
 866                 uint8_t frev, crev;
 867                 ATOM_XTMDS_INFO *xtmds;
 868 
 869                 if (atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) {
 870                         xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
 871 
 872                         if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
 873                                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
 874                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
 875                                 else
 876                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
 877                         } else {
 878                                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
 879                                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
 880                                 else
 881                                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
 882                         }
 883                 } else
 884                         return supported_devices_connector_object_id_convert
 885                                 [connector_type];
 886         } else {
 887                 return supported_devices_connector_object_id_convert
 888                         [connector_type];
 889         }
 890 }
 891 
 892 struct bios_connector {
 893         bool valid;
 894         uint16_t line_mux;
 895         uint16_t devices;
 896         int connector_type;
 897         struct radeon_i2c_bus_rec ddc_bus;
 898         struct radeon_hpd hpd;
 899 };
 900 
 901 bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 902                                                                  drm_device
 903                                                                  *dev)
 904 {
 905         struct radeon_device *rdev = dev->dev_private;
 906         struct radeon_mode_info *mode_info = &rdev->mode_info;
 907         struct atom_context *ctx = mode_info->atom_context;
 908         int index = GetIndexIntoMasterTable(DATA, SupportedDevicesInfo);
 909         uint16_t size, data_offset;
 910         uint8_t frev, crev;
 911         uint16_t device_support;
 912         uint8_t dac;
 913         union atom_supported_devices *supported_devices;
 914         int i, j, max_device;
 915         struct bios_connector *bios_connectors;
 916         size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
 917         struct radeon_router router;
 918 
 919         router.ddc_valid = false;
 920         router.cd_valid = false;
 921 
 922         bios_connectors = kzalloc(bc_size, GFP_KERNEL);
 923         if (!bios_connectors)
 924                 return false;
 925 
 926         if (!atom_parse_data_header(ctx, index, &size, &frev, &crev,
 927                                     &data_offset)) {
 928                 kfree(bios_connectors);
 929                 return false;
 930         }
 931 
 932         supported_devices =
 933             (union atom_supported_devices *)(ctx->bios + data_offset);
 934 
 935         device_support = le16_to_cpu(supported_devices->info.usDeviceSupport);
 936 
 937         if (frev > 1)
 938                 max_device = ATOM_MAX_SUPPORTED_DEVICE;
 939         else
 940                 max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
 941 
 942         for (i = 0; i < max_device; i++) {
 943                 ATOM_CONNECTOR_INFO_I2C ci =
 944                     supported_devices->info.asConnInfo[i];
 945 
 946                 bios_connectors[i].valid = false;
 947 
 948                 if (!(device_support & (1 << i))) {
 949                         continue;
 950                 }
 951 
 952                 if (i == ATOM_DEVICE_CV_INDEX) {
 953                         DRM_DEBUG_KMS("Skipping Component Video\n");
 954                         continue;
 955                 }
 956 
 957                 bios_connectors[i].connector_type =
 958                     supported_devices_connector_convert[ci.sucConnectorInfo.
 959                                                         sbfAccess.
 960                                                         bfConnectorType];
 961 
 962                 if (bios_connectors[i].connector_type ==
 963                     DRM_MODE_CONNECTOR_Unknown)
 964                         continue;
 965 
 966                 dac = ci.sucConnectorInfo.sbfAccess.bfAssociatedDAC;
 967 
 968                 bios_connectors[i].line_mux =
 969                         ci.sucI2cId.ucAccess;
 970 
 971                 /* give tv unique connector ids */
 972                 if (i == ATOM_DEVICE_TV1_INDEX) {
 973                         bios_connectors[i].ddc_bus.valid = false;
 974                         bios_connectors[i].line_mux = 50;
 975                 } else if (i == ATOM_DEVICE_TV2_INDEX) {
 976                         bios_connectors[i].ddc_bus.valid = false;
 977                         bios_connectors[i].line_mux = 51;
 978                 } else if (i == ATOM_DEVICE_CV_INDEX) {
 979                         bios_connectors[i].ddc_bus.valid = false;
 980                         bios_connectors[i].line_mux = 52;
 981                 } else
 982                         bios_connectors[i].ddc_bus =
 983                             radeon_lookup_i2c_gpio(rdev,
 984                                                    bios_connectors[i].line_mux);
 985 
 986                 if ((crev > 1) && (frev > 1)) {
 987                         u8 isb = supported_devices->info_2d1.asIntSrcInfo[i].ucIntSrcBitmap;
 988                         switch (isb) {
 989                         case 0x4:
 990                                 bios_connectors[i].hpd.hpd = RADEON_HPD_1;
 991                                 break;
 992                         case 0xa:
 993                                 bios_connectors[i].hpd.hpd = RADEON_HPD_2;
 994                                 break;
 995                         default:
 996                                 bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
 997                                 break;
 998                         }
 999                 } else {
1000                         if (i == ATOM_DEVICE_DFP1_INDEX)
1001                                 bios_connectors[i].hpd.hpd = RADEON_HPD_1;
1002                         else if (i == ATOM_DEVICE_DFP2_INDEX)
1003                                 bios_connectors[i].hpd.hpd = RADEON_HPD_2;
1004                         else
1005                                 bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
1006                 }
1007 
1008                 /* Always set the connector type to VGA for CRT1/CRT2. if they are
1009                  * shared with a DVI port, we'll pick up the DVI connector when we
1010                  * merge the outputs.  Some bioses incorrectly list VGA ports as DVI.
1011                  */
1012                 if (i == ATOM_DEVICE_CRT1_INDEX || i == ATOM_DEVICE_CRT2_INDEX)
1013                         bios_connectors[i].connector_type =
1014                             DRM_MODE_CONNECTOR_VGA;
1015 
1016                 if (!radeon_atom_apply_quirks
1017                     (dev, (1 << i), &bios_connectors[i].connector_type,
1018                      &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux,
1019                      &bios_connectors[i].hpd))
1020                         continue;
1021 
1022                 bios_connectors[i].valid = true;
1023                 bios_connectors[i].devices = (1 << i);
1024 
1025                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)
1026                         radeon_add_atom_encoder(dev,
1027                                                 radeon_get_encoder_enum(dev,
1028                                                                       (1 << i),
1029                                                                       dac),
1030                                                 (1 << i),
1031                                                 0);
1032                 else
1033                         radeon_add_legacy_encoder(dev,
1034                                                   radeon_get_encoder_enum(dev,
1035                                                                         (1 << i),
1036                                                                         dac),
1037                                                   (1 << i));
1038         }
1039 
1040         /* combine shared connectors */
1041         for (i = 0; i < max_device; i++) {
1042                 if (bios_connectors[i].valid) {
1043                         for (j = 0; j < max_device; j++) {
1044                                 if (bios_connectors[j].valid && (i != j)) {
1045                                         if (bios_connectors[i].line_mux ==
1046                                             bios_connectors[j].line_mux) {
1047                                                 /* make sure not to combine LVDS */
1048                                                 if (bios_connectors[i].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1049                                                         bios_connectors[i].line_mux = 53;
1050                                                         bios_connectors[i].ddc_bus.valid = false;
1051                                                         continue;
1052                                                 }
1053                                                 if (bios_connectors[j].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1054                                                         bios_connectors[j].line_mux = 53;
1055                                                         bios_connectors[j].ddc_bus.valid = false;
1056                                                         continue;
1057                                                 }
1058                                                 /* combine analog and digital for DVI-I */
1059                                                 if (((bios_connectors[i].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
1060                                                      (bios_connectors[j].devices & (ATOM_DEVICE_CRT_SUPPORT))) ||
1061                                                     ((bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
1062                                                      (bios_connectors[i].devices & (ATOM_DEVICE_CRT_SUPPORT)))) {
1063                                                         bios_connectors[i].devices |=
1064                                                                 bios_connectors[j].devices;
1065                                                         bios_connectors[i].connector_type =
1066                                                                 DRM_MODE_CONNECTOR_DVII;
1067                                                         if (bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT))
1068                                                                 bios_connectors[i].hpd =
1069                                                                         bios_connectors[j].hpd;
1070                                                         bios_connectors[j].valid = false;
1071                                                 }
1072                                         }
1073                                 }
1074                         }
1075                 }
1076         }
1077 
1078         /* add the connectors */
1079         for (i = 0; i < max_device; i++) {
1080                 if (bios_connectors[i].valid) {
1081                         uint16_t connector_object_id =
1082                                 atombios_get_connector_object_id(dev,
1083                                                       bios_connectors[i].connector_type,
1084                                                       bios_connectors[i].devices);
1085                         radeon_add_atom_connector(dev,
1086                                                   bios_connectors[i].line_mux,
1087                                                   bios_connectors[i].devices,
1088                                                   bios_connectors[i].
1089                                                   connector_type,
1090                                                   &bios_connectors[i].ddc_bus,
1091                                                   0,
1092                                                   connector_object_id,
1093                                                   &bios_connectors[i].hpd,
1094                                                   &router);
1095                 }
1096         }
1097 
1098         radeon_link_encoder_connector(dev);
1099 
1100         kfree(bios_connectors);
1101         return true;
1102 }
1103 
1104 union firmware_info {
1105         ATOM_FIRMWARE_INFO info;
1106         ATOM_FIRMWARE_INFO_V1_2 info_12;
1107         ATOM_FIRMWARE_INFO_V1_3 info_13;
1108         ATOM_FIRMWARE_INFO_V1_4 info_14;
1109         ATOM_FIRMWARE_INFO_V2_1 info_21;
1110         ATOM_FIRMWARE_INFO_V2_2 info_22;
1111 };
1112 
1113 union igp_info {
1114         struct _ATOM_INTEGRATED_SYSTEM_INFO info;
1115         struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
1116         struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
1117         struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
1118         struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
1119 };
1120 
1121 static void radeon_atombios_get_dentist_vco_freq(struct radeon_device *rdev)
1122 {
1123         struct radeon_mode_info *mode_info = &rdev->mode_info;
1124         int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1125         union igp_info *igp_info;
1126         u8 frev, crev;
1127         u16 data_offset;
1128 
1129         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1130                         &frev, &crev, &data_offset)) {
1131                 igp_info = (union igp_info *)(mode_info->atom_context->bios +
1132                         data_offset);
1133                 rdev->clock.vco_freq =
1134                         le32_to_cpu(igp_info->info_6.ulDentistVCOFreq);
1135         }
1136 }
1137 
1138 bool radeon_atom_get_clock_info(struct drm_device *dev)
1139 {
1140         struct radeon_device *rdev = dev->dev_private;
1141         struct radeon_mode_info *mode_info = &rdev->mode_info;
1142         int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
1143         union firmware_info *firmware_info;
1144         uint8_t frev, crev;
1145         struct radeon_pll *p1pll = &rdev->clock.p1pll;
1146         struct radeon_pll *p2pll = &rdev->clock.p2pll;
1147         struct radeon_pll *dcpll = &rdev->clock.dcpll;
1148         struct radeon_pll *spll = &rdev->clock.spll;
1149         struct radeon_pll *mpll = &rdev->clock.mpll;
1150         uint16_t data_offset;
1151 
1152         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1153                                    &frev, &crev, &data_offset)) {
1154                 firmware_info =
1155                         (union firmware_info *)(mode_info->atom_context->bios +
1156                                                 data_offset);
1157                 /* pixel clocks */
1158                 p1pll->reference_freq =
1159                     le16_to_cpu(firmware_info->info.usReferenceClock);
1160                 p1pll->reference_div = 0;
1161 
1162                 if ((frev < 2) && (crev < 2))
1163                         p1pll->pll_out_min =
1164                                 le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
1165                 else
1166                         p1pll->pll_out_min =
1167                                 le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
1168                 p1pll->pll_out_max =
1169                     le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
1170 
1171                 if (((frev < 2) && (crev >= 4)) || (frev >= 2)) {
1172                         p1pll->lcd_pll_out_min =
1173                                 le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
1174                         if (p1pll->lcd_pll_out_min == 0)
1175                                 p1pll->lcd_pll_out_min = p1pll->pll_out_min;
1176                         p1pll->lcd_pll_out_max =
1177                                 le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
1178                         if (p1pll->lcd_pll_out_max == 0)
1179                                 p1pll->lcd_pll_out_max = p1pll->pll_out_max;
1180                 } else {
1181                         p1pll->lcd_pll_out_min = p1pll->pll_out_min;
1182                         p1pll->lcd_pll_out_max = p1pll->pll_out_max;
1183                 }
1184 
1185                 if (p1pll->pll_out_min == 0) {
1186                         if (ASIC_IS_AVIVO(rdev))
1187                                 p1pll->pll_out_min = 64800;
1188                         else
1189                                 p1pll->pll_out_min = 20000;
1190                 }
1191 
1192                 p1pll->pll_in_min =
1193                     le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
1194                 p1pll->pll_in_max =
1195                     le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
1196 
1197                 *p2pll = *p1pll;
1198 
1199                 /* system clock */
1200                 if (ASIC_IS_DCE4(rdev))
1201                         spll->reference_freq =
1202                                 le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
1203                 else
1204                         spll->reference_freq =
1205                                 le16_to_cpu(firmware_info->info.usReferenceClock);
1206                 spll->reference_div = 0;
1207 
1208                 spll->pll_out_min =
1209                     le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
1210                 spll->pll_out_max =
1211                     le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
1212 
1213                 /* ??? */
1214                 if (spll->pll_out_min == 0) {
1215                         if (ASIC_IS_AVIVO(rdev))
1216                                 spll->pll_out_min = 64800;
1217                         else
1218                                 spll->pll_out_min = 20000;
1219                 }
1220 
1221                 spll->pll_in_min =
1222                     le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
1223                 spll->pll_in_max =
1224                     le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
1225 
1226                 /* memory clock */
1227                 if (ASIC_IS_DCE4(rdev))
1228                         mpll->reference_freq =
1229                                 le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
1230                 else
1231                         mpll->reference_freq =
1232                                 le16_to_cpu(firmware_info->info.usReferenceClock);
1233                 mpll->reference_div = 0;
1234 
1235                 mpll->pll_out_min =
1236                     le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
1237                 mpll->pll_out_max =
1238                     le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
1239 
1240                 /* ??? */
1241                 if (mpll->pll_out_min == 0) {
1242                         if (ASIC_IS_AVIVO(rdev))
1243                                 mpll->pll_out_min = 64800;
1244                         else
1245                                 mpll->pll_out_min = 20000;
1246                 }
1247 
1248                 mpll->pll_in_min =
1249                     le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
1250                 mpll->pll_in_max =
1251                     le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
1252 
1253                 rdev->clock.default_sclk =
1254                     le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
1255                 rdev->clock.default_mclk =
1256                     le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
1257 
1258                 if (ASIC_IS_DCE4(rdev)) {
1259                         rdev->clock.default_dispclk =
1260                                 le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
1261                         if (rdev->clock.default_dispclk == 0) {
1262                                 if (ASIC_IS_DCE6(rdev))
1263                                         rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1264                                 else if (ASIC_IS_DCE5(rdev))
1265                                         rdev->clock.default_dispclk = 54000; /* 540 Mhz */
1266                                 else
1267                                         rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1268                         }
1269                         /* set a reasonable default for DP */
1270                         if (ASIC_IS_DCE6(rdev) && (rdev->clock.default_dispclk < 53900)) {
1271                                 DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
1272                                          rdev->clock.default_dispclk / 100);
1273                                 rdev->clock.default_dispclk = 60000;
1274                         }
1275                         rdev->clock.dp_extclk =
1276                                 le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
1277                         rdev->clock.current_dispclk = rdev->clock.default_dispclk;
1278                 }
1279                 *dcpll = *p1pll;
1280 
1281                 rdev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
1282                 if (rdev->clock.max_pixel_clock == 0)
1283                         rdev->clock.max_pixel_clock = 40000;
1284 
1285                 /* not technically a clock, but... */
1286                 rdev->mode_info.firmware_flags =
1287                         le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
1288 
1289                 if (ASIC_IS_DCE8(rdev))
1290                         rdev->clock.vco_freq =
1291                                 le32_to_cpu(firmware_info->info_22.ulGPUPLL_OutputFreq);
1292                 else if (ASIC_IS_DCE5(rdev))
1293                         rdev->clock.vco_freq = rdev->clock.current_dispclk;
1294                 else if (ASIC_IS_DCE41(rdev))
1295                         radeon_atombios_get_dentist_vco_freq(rdev);
1296                 else
1297                         rdev->clock.vco_freq = rdev->clock.current_dispclk;
1298 
1299                 if (rdev->clock.vco_freq == 0)
1300                         rdev->clock.vco_freq = 360000;  /* 3.6 GHz */
1301 
1302                 return true;
1303         }
1304 
1305         return false;
1306 }
1307 
1308 bool radeon_atombios_sideport_present(struct radeon_device *rdev)
1309 {
1310         struct radeon_mode_info *mode_info = &rdev->mode_info;
1311         int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1312         union igp_info *igp_info;
1313         u8 frev, crev;
1314         u16 data_offset;
1315 
1316         /* sideport is AMD only */
1317         if (rdev->family == CHIP_RS600)
1318                 return false;
1319 
1320         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1321                                    &frev, &crev, &data_offset)) {
1322                 igp_info = (union igp_info *)(mode_info->atom_context->bios +
1323                                       data_offset);
1324                 switch (crev) {
1325                 case 1:
1326                         if (le32_to_cpu(igp_info->info.ulBootUpMemoryClock))
1327                                 return true;
1328                         break;
1329                 case 2:
1330                         if (le32_to_cpu(igp_info->info_2.ulBootUpSidePortClock))
1331                                 return true;
1332                         break;
1333                 default:
1334                         DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1335                         break;
1336                 }
1337         }
1338         return false;
1339 }
1340 
1341 bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
1342                                    struct radeon_encoder_int_tmds *tmds)
1343 {
1344         struct drm_device *dev = encoder->base.dev;
1345         struct radeon_device *rdev = dev->dev_private;
1346         struct radeon_mode_info *mode_info = &rdev->mode_info;
1347         int index = GetIndexIntoMasterTable(DATA, TMDS_Info);
1348         uint16_t data_offset;
1349         struct _ATOM_TMDS_INFO *tmds_info;
1350         uint8_t frev, crev;
1351         uint16_t maxfreq;
1352         int i;
1353 
1354         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1355                                    &frev, &crev, &data_offset)) {
1356                 tmds_info =
1357                         (struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
1358                                                    data_offset);
1359 
1360                 maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
1361                 for (i = 0; i < 4; i++) {
1362                         tmds->tmds_pll[i].freq =
1363                             le16_to_cpu(tmds_info->asMiscInfo[i].usFrequency);
1364                         tmds->tmds_pll[i].value =
1365                             tmds_info->asMiscInfo[i].ucPLL_ChargePump & 0x3f;
1366                         tmds->tmds_pll[i].value |=
1367                             (tmds_info->asMiscInfo[i].
1368                              ucPLL_VCO_Gain & 0x3f) << 6;
1369                         tmds->tmds_pll[i].value |=
1370                             (tmds_info->asMiscInfo[i].
1371                              ucPLL_DutyCycle & 0xf) << 12;
1372                         tmds->tmds_pll[i].value |=
1373                             (tmds_info->asMiscInfo[i].
1374                              ucPLL_VoltageSwing & 0xf) << 16;
1375 
1376                         DRM_DEBUG_KMS("TMDS PLL From ATOMBIOS %u %x\n",
1377                                   tmds->tmds_pll[i].freq,
1378                                   tmds->tmds_pll[i].value);
1379 
1380                         if (maxfreq == tmds->tmds_pll[i].freq) {
1381                                 tmds->tmds_pll[i].freq = 0xffffffff;
1382                                 break;
1383                         }
1384                 }
1385                 return true;
1386         }
1387         return false;
1388 }
1389 
1390 bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
1391                                       struct radeon_atom_ss *ss,
1392                                       int id)
1393 {
1394         struct radeon_mode_info *mode_info = &rdev->mode_info;
1395         int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info);
1396         uint16_t data_offset, size;
1397         struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
1398         struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT *ss_assign;
1399         uint8_t frev, crev;
1400         int i, num_indices;
1401 
1402         memset(ss, 0, sizeof(struct radeon_atom_ss));
1403         if (atom_parse_data_header(mode_info->atom_context, index, &size,
1404                                    &frev, &crev, &data_offset)) {
1405                 ss_info =
1406                         (struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
1407 
1408                 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1409                         sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT);
1410                 ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
1411                         ((u8 *)&ss_info->asSS_Info[0]);
1412                 for (i = 0; i < num_indices; i++) {
1413                         if (ss_assign->ucSS_Id == id) {
1414                                 ss->percentage =
1415                                         le16_to_cpu(ss_assign->usSpreadSpectrumPercentage);
1416                                 ss->type = ss_assign->ucSpreadSpectrumType;
1417                                 ss->step = ss_assign->ucSS_Step;
1418                                 ss->delay = ss_assign->ucSS_Delay;
1419                                 ss->range = ss_assign->ucSS_Range;
1420                                 ss->refdiv = ss_assign->ucRecommendedRef_Div;
1421                                 return true;
1422                         }
1423                         ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
1424                                 ((u8 *)ss_assign + sizeof(struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT));
1425                 }
1426         }
1427         return false;
1428 }
1429 
1430 static void radeon_atombios_get_igp_ss_overrides(struct radeon_device *rdev,
1431                                                  struct radeon_atom_ss *ss,
1432                                                  int id)
1433 {
1434         struct radeon_mode_info *mode_info = &rdev->mode_info;
1435         int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1436         u16 data_offset, size;
1437         union igp_info *igp_info;
1438         u8 frev, crev;
1439         u16 percentage = 0, rate = 0;
1440 
1441         /* get any igp specific overrides */
1442         if (atom_parse_data_header(mode_info->atom_context, index, &size,
1443                                    &frev, &crev, &data_offset)) {
1444                 igp_info = (union igp_info *)
1445                         (mode_info->atom_context->bios + data_offset);
1446                 switch (crev) {
1447                 case 6:
1448                         switch (id) {
1449                         case ASIC_INTERNAL_SS_ON_TMDS:
1450                                 percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
1451                                 rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
1452                                 break;
1453                         case ASIC_INTERNAL_SS_ON_HDMI:
1454                                 percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
1455                                 rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
1456                                 break;
1457                         case ASIC_INTERNAL_SS_ON_LVDS:
1458                                 percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
1459                                 rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
1460                                 break;
1461                         }
1462                         break;
1463                 case 7:
1464                         switch (id) {
1465                         case ASIC_INTERNAL_SS_ON_TMDS:
1466                                 percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
1467                                 rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
1468                                 break;
1469                         case ASIC_INTERNAL_SS_ON_HDMI:
1470                                 percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
1471                                 rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
1472                                 break;
1473                         case ASIC_INTERNAL_SS_ON_LVDS:
1474                                 percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
1475                                 rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
1476                                 break;
1477                         }
1478                         break;
1479                 case 8:
1480                         switch (id) {
1481                         case ASIC_INTERNAL_SS_ON_TMDS:
1482                                 percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
1483                                 rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
1484                                 break;
1485                         case ASIC_INTERNAL_SS_ON_HDMI:
1486                                 percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
1487                                 rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
1488                                 break;
1489                         case ASIC_INTERNAL_SS_ON_LVDS:
1490                                 percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
1491                                 rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
1492                                 break;
1493                         }
1494                         break;
1495                 default:
1496                         DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1497                         break;
1498                 }
1499                 if (percentage)
1500                         ss->percentage = percentage;
1501                 if (rate)
1502                         ss->rate = rate;
1503         }
1504 }
1505 
1506 union asic_ss_info {
1507         struct _ATOM_ASIC_INTERNAL_SS_INFO info;
1508         struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
1509         struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
1510 };
1511 
1512 union asic_ss_assignment {
1513         struct _ATOM_ASIC_SS_ASSIGNMENT v1;
1514         struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
1515         struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
1516 };
1517 
1518 bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
1519                                       struct radeon_atom_ss *ss,
1520                                       int id, u32 clock)
1521 {
1522         struct radeon_mode_info *mode_info = &rdev->mode_info;
1523         int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
1524         uint16_t data_offset, size;
1525         union asic_ss_info *ss_info;
1526         union asic_ss_assignment *ss_assign;
1527         uint8_t frev, crev;
1528         int i, num_indices;
1529 
1530         if (id == ASIC_INTERNAL_MEMORY_SS) {
1531                 if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
1532                         return false;
1533         }
1534         if (id == ASIC_INTERNAL_ENGINE_SS) {
1535                 if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
1536                         return false;
1537         }
1538 
1539         memset(ss, 0, sizeof(struct radeon_atom_ss));
1540         if (atom_parse_data_header(mode_info->atom_context, index, &size,
1541                                    &frev, &crev, &data_offset)) {
1542 
1543                 ss_info =
1544                         (union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
1545 
1546                 switch (frev) {
1547                 case 1:
1548                         num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1549                                 sizeof(ATOM_ASIC_SS_ASSIGNMENT);
1550 
1551                         ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
1552                         for (i = 0; i < num_indices; i++) {
1553                                 if ((ss_assign->v1.ucClockIndication == id) &&
1554                                     (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
1555                                         ss->percentage =
1556                                                 le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
1557                                         ss->type = ss_assign->v1.ucSpreadSpectrumMode;
1558                                         ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
1559                                         ss->percentage_divider = 100;
1560                                         return true;
1561                                 }
1562                                 ss_assign = (union asic_ss_assignment *)
1563                                         ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
1564                         }
1565                         break;
1566                 case 2:
1567                         num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1568                                 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
1569                         ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
1570                         for (i = 0; i < num_indices; i++) {
1571                                 if ((ss_assign->v2.ucClockIndication == id) &&
1572                                     (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
1573                                         ss->percentage =
1574                                                 le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
1575                                         ss->type = ss_assign->v2.ucSpreadSpectrumMode;
1576                                         ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
1577                                         ss->percentage_divider = 100;
1578                                         if ((crev == 2) &&
1579                                             ((id == ASIC_INTERNAL_ENGINE_SS) ||
1580                                              (id == ASIC_INTERNAL_MEMORY_SS)))
1581                                                 ss->rate /= 100;
1582                                         return true;
1583                                 }
1584                                 ss_assign = (union asic_ss_assignment *)
1585                                         ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
1586                         }
1587                         break;
1588                 case 3:
1589                         num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1590                                 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
1591                         ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
1592                         for (i = 0; i < num_indices; i++) {
1593                                 if ((ss_assign->v3.ucClockIndication == id) &&
1594                                     (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
1595                                         ss->percentage =
1596                                                 le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
1597                                         ss->type = ss_assign->v3.ucSpreadSpectrumMode;
1598                                         ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
1599                                         if (ss_assign->v3.ucSpreadSpectrumMode &
1600                                             SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
1601                                                 ss->percentage_divider = 1000;
1602                                         else
1603                                                 ss->percentage_divider = 100;
1604                                         if ((id == ASIC_INTERNAL_ENGINE_SS) ||
1605                                             (id == ASIC_INTERNAL_MEMORY_SS))
1606                                                 ss->rate /= 100;
1607                                         if (rdev->flags & RADEON_IS_IGP)
1608                                                 radeon_atombios_get_igp_ss_overrides(rdev, ss, id);
1609                                         return true;
1610                                 }
1611                                 ss_assign = (union asic_ss_assignment *)
1612                                         ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
1613                         }
1614                         break;
1615                 default:
1616                         DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
1617                         break;
1618                 }
1619 
1620         }
1621         return false;
1622 }
1623 
1624 union lvds_info {
1625         struct _ATOM_LVDS_INFO info;
1626         struct _ATOM_LVDS_INFO_V12 info_12;
1627 };
1628 
1629 struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
1630                                                               radeon_encoder
1631                                                               *encoder)
1632 {
1633         struct drm_device *dev = encoder->base.dev;
1634         struct radeon_device *rdev = dev->dev_private;
1635         struct radeon_mode_info *mode_info = &rdev->mode_info;
1636         int index = GetIndexIntoMasterTable(DATA, LVDS_Info);
1637         uint16_t data_offset, misc;
1638         union lvds_info *lvds_info;
1639         uint8_t frev, crev;
1640         struct radeon_encoder_atom_dig *lvds = NULL;
1641         int encoder_enum = (encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
1642 
1643         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1644                                    &frev, &crev, &data_offset)) {
1645                 lvds_info =
1646                         (union lvds_info *)(mode_info->atom_context->bios + data_offset);
1647                 lvds =
1648                     kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
1649 
1650                 if (!lvds)
1651                         return NULL;
1652 
1653                 lvds->native_mode.clock =
1654                     le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
1655                 lvds->native_mode.hdisplay =
1656                     le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
1657                 lvds->native_mode.vdisplay =
1658                     le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
1659                 lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1660                         le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
1661                 lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1662                         le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
1663                 lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1664                         le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
1665                 lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1666                         le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
1667                 lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1668                         le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
1669                 lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1670                         le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
1671                 lvds->panel_pwr_delay =
1672                     le16_to_cpu(lvds_info->info.usOffDelayInMs);
1673                 lvds->lcd_misc = lvds_info->info.ucLVDS_Misc;
1674 
1675                 misc = le16_to_cpu(lvds_info->info.sLCDTiming.susModeMiscInfo.usAccess);
1676                 if (misc & ATOM_VSYNC_POLARITY)
1677                         lvds->native_mode.flags |= DRM_MODE_FLAG_NVSYNC;
1678                 if (misc & ATOM_HSYNC_POLARITY)
1679                         lvds->native_mode.flags |= DRM_MODE_FLAG_NHSYNC;
1680                 if (misc & ATOM_COMPOSITESYNC)
1681                         lvds->native_mode.flags |= DRM_MODE_FLAG_CSYNC;
1682                 if (misc & ATOM_INTERLACE)
1683                         lvds->native_mode.flags |= DRM_MODE_FLAG_INTERLACE;
1684                 if (misc & ATOM_DOUBLE_CLOCK_MODE)
1685                         lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
1686 
1687                 lvds->native_mode.width_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageHSize);
1688                 lvds->native_mode.height_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageVSize);
1689 
1690                 /* set crtc values */
1691                 drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1692 
1693                 lvds->lcd_ss_id = lvds_info->info.ucSS_Id;
1694 
1695                 encoder->native_mode = lvds->native_mode;
1696 
1697                 if (encoder_enum == 2)
1698                         lvds->linkb = true;
1699                 else
1700                         lvds->linkb = false;
1701 
1702                 /* parse the lcd record table */
1703                 if (le16_to_cpu(lvds_info->info.usModePatchTableOffset)) {
1704                         ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
1705                         ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
1706                         bool bad_record = false;
1707                         u8 *record;
1708 
1709                         if ((frev == 1) && (crev < 2))
1710                                 /* absolute */
1711                                 record = (u8 *)(mode_info->atom_context->bios +
1712                                                 le16_to_cpu(lvds_info->info.usModePatchTableOffset));
1713                         else
1714                                 /* relative */
1715                                 record = (u8 *)(mode_info->atom_context->bios +
1716                                                 data_offset +
1717                                                 le16_to_cpu(lvds_info->info.usModePatchTableOffset));
1718                         while (*record != ATOM_RECORD_END_TYPE) {
1719                                 switch (*record) {
1720                                 case LCD_MODE_PATCH_RECORD_MODE_TYPE:
1721                                         record += sizeof(ATOM_PATCH_RECORD_MODE);
1722                                         break;
1723                                 case LCD_RTS_RECORD_TYPE:
1724                                         record += sizeof(ATOM_LCD_RTS_RECORD);
1725                                         break;
1726                                 case LCD_CAP_RECORD_TYPE:
1727                                         record += sizeof(ATOM_LCD_MODE_CONTROL_CAP);
1728                                         break;
1729                                 case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
1730                                         fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
1731                                         if (fake_edid_record->ucFakeEDIDLength) {
1732                                                 struct edid *edid;
1733                                                 int edid_size =
1734                                                         max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength);
1735                                                 edid = kmalloc(edid_size, GFP_KERNEL);
1736                                                 if (edid) {
1737                                                         memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
1738                                                                fake_edid_record->ucFakeEDIDLength);
1739 
1740                                                         if (drm_edid_is_valid(edid)) {
1741                                                                 rdev->mode_info.bios_hardcoded_edid = edid;
1742                                                                 rdev->mode_info.bios_hardcoded_edid_size = edid_size;
1743                                                         } else
1744                                                                 kfree(edid);
1745                                                 }
1746                                         }
1747                                         record += fake_edid_record->ucFakeEDIDLength ?
1748                                                 fake_edid_record->ucFakeEDIDLength + 2 :
1749                                                 sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
1750                                         break;
1751                                 case LCD_PANEL_RESOLUTION_RECORD_TYPE:
1752                                         panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
1753                                         lvds->native_mode.width_mm = panel_res_record->usHSize;
1754                                         lvds->native_mode.height_mm = panel_res_record->usVSize;
1755                                         record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD);
1756                                         break;
1757                                 default:
1758                                         DRM_ERROR("Bad LCD record %d\n", *record);
1759                                         bad_record = true;
1760                                         break;
1761                                 }
1762                                 if (bad_record)
1763                                         break;
1764                         }
1765                 }
1766         }
1767         return lvds;
1768 }
1769 
1770 struct radeon_encoder_primary_dac *
1771 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
1772 {
1773         struct drm_device *dev = encoder->base.dev;
1774         struct radeon_device *rdev = dev->dev_private;
1775         struct radeon_mode_info *mode_info = &rdev->mode_info;
1776         int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1777         uint16_t data_offset;
1778         struct _COMPASSIONATE_DATA *dac_info;
1779         uint8_t frev, crev;
1780         uint8_t bg, dac;
1781         struct radeon_encoder_primary_dac *p_dac = NULL;
1782 
1783         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1784                                    &frev, &crev, &data_offset)) {
1785                 dac_info = (struct _COMPASSIONATE_DATA *)
1786                         (mode_info->atom_context->bios + data_offset);
1787 
1788                 p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
1789 
1790                 if (!p_dac)
1791                         return NULL;
1792 
1793                 bg = dac_info->ucDAC1_BG_Adjustment;
1794                 dac = dac_info->ucDAC1_DAC_Adjustment;
1795                 p_dac->ps2_pdac_adj = (bg << 8) | (dac);
1796 
1797         }
1798         return p_dac;
1799 }
1800 
1801 bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
1802                                 struct drm_display_mode *mode)
1803 {
1804         struct radeon_mode_info *mode_info = &rdev->mode_info;
1805         ATOM_ANALOG_TV_INFO *tv_info;
1806         ATOM_ANALOG_TV_INFO_V1_2 *tv_info_v1_2;
1807         ATOM_DTD_FORMAT *dtd_timings;
1808         int data_index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1809         u8 frev, crev;
1810         u16 data_offset, misc;
1811 
1812         if (!atom_parse_data_header(mode_info->atom_context, data_index, NULL,
1813                                     &frev, &crev, &data_offset))
1814                 return false;
1815 
1816         switch (crev) {
1817         case 1:
1818                 tv_info = (ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset);
1819                 if (index >= MAX_SUPPORTED_TV_TIMING)
1820                         return false;
1821 
1822                 mode->crtc_htotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
1823                 mode->crtc_hdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Disp);
1824                 mode->crtc_hsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart);
1825                 mode->crtc_hsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart) +
1826                         le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncWidth);
1827 
1828                 mode->crtc_vtotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Total);
1829                 mode->crtc_vdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Disp);
1830                 mode->crtc_vsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart);
1831                 mode->crtc_vsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart) +
1832                         le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncWidth);
1833 
1834                 mode->flags = 0;
1835                 misc = le16_to_cpu(tv_info->aModeTimings[index].susModeMiscInfo.usAccess);
1836                 if (misc & ATOM_VSYNC_POLARITY)
1837                         mode->flags |= DRM_MODE_FLAG_NVSYNC;
1838                 if (misc & ATOM_HSYNC_POLARITY)
1839                         mode->flags |= DRM_MODE_FLAG_NHSYNC;
1840                 if (misc & ATOM_COMPOSITESYNC)
1841                         mode->flags |= DRM_MODE_FLAG_CSYNC;
1842                 if (misc & ATOM_INTERLACE)
1843                         mode->flags |= DRM_MODE_FLAG_INTERLACE;
1844                 if (misc & ATOM_DOUBLE_CLOCK_MODE)
1845                         mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1846 
1847                 mode->crtc_clock = mode->clock =
1848                         le16_to_cpu(tv_info->aModeTimings[index].usPixelClock) * 10;
1849 
1850                 if (index == 1) {
1851                         /* PAL timings appear to have wrong values for totals */
1852                         mode->crtc_htotal -= 1;
1853                         mode->crtc_vtotal -= 1;
1854                 }
1855                 break;
1856         case 2:
1857                 tv_info_v1_2 = (ATOM_ANALOG_TV_INFO_V1_2 *)(mode_info->atom_context->bios + data_offset);
1858                 if (index >= MAX_SUPPORTED_TV_TIMING_V1_2)
1859                         return false;
1860 
1861                 dtd_timings = &tv_info_v1_2->aModeTimings[index];
1862                 mode->crtc_htotal = le16_to_cpu(dtd_timings->usHActive) +
1863                         le16_to_cpu(dtd_timings->usHBlanking_Time);
1864                 mode->crtc_hdisplay = le16_to_cpu(dtd_timings->usHActive);
1865                 mode->crtc_hsync_start = le16_to_cpu(dtd_timings->usHActive) +
1866                         le16_to_cpu(dtd_timings->usHSyncOffset);
1867                 mode->crtc_hsync_end = mode->crtc_hsync_start +
1868                         le16_to_cpu(dtd_timings->usHSyncWidth);
1869 
1870                 mode->crtc_vtotal = le16_to_cpu(dtd_timings->usVActive) +
1871                         le16_to_cpu(dtd_timings->usVBlanking_Time);
1872                 mode->crtc_vdisplay = le16_to_cpu(dtd_timings->usVActive);
1873                 mode->crtc_vsync_start = le16_to_cpu(dtd_timings->usVActive) +
1874                         le16_to_cpu(dtd_timings->usVSyncOffset);
1875                 mode->crtc_vsync_end = mode->crtc_vsync_start +
1876                         le16_to_cpu(dtd_timings->usVSyncWidth);
1877 
1878                 mode->flags = 0;
1879                 misc = le16_to_cpu(dtd_timings->susModeMiscInfo.usAccess);
1880                 if (misc & ATOM_VSYNC_POLARITY)
1881                         mode->flags |= DRM_MODE_FLAG_NVSYNC;
1882                 if (misc & ATOM_HSYNC_POLARITY)
1883                         mode->flags |= DRM_MODE_FLAG_NHSYNC;
1884                 if (misc & ATOM_COMPOSITESYNC)
1885                         mode->flags |= DRM_MODE_FLAG_CSYNC;
1886                 if (misc & ATOM_INTERLACE)
1887                         mode->flags |= DRM_MODE_FLAG_INTERLACE;
1888                 if (misc & ATOM_DOUBLE_CLOCK_MODE)
1889                         mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1890 
1891                 mode->crtc_clock = mode->clock =
1892                         le16_to_cpu(dtd_timings->usPixClk) * 10;
1893                 break;
1894         }
1895         return true;
1896 }
1897 
1898 enum radeon_tv_std
1899 radeon_atombios_get_tv_info(struct radeon_device *rdev)
1900 {
1901         struct radeon_mode_info *mode_info = &rdev->mode_info;
1902         int index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1903         uint16_t data_offset;
1904         uint8_t frev, crev;
1905         struct _ATOM_ANALOG_TV_INFO *tv_info;
1906         enum radeon_tv_std tv_std = TV_STD_NTSC;
1907 
1908         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1909                                    &frev, &crev, &data_offset)) {
1910 
1911                 tv_info = (struct _ATOM_ANALOG_TV_INFO *)
1912                         (mode_info->atom_context->bios + data_offset);
1913 
1914                 switch (tv_info->ucTV_BootUpDefaultStandard) {
1915                 case ATOM_TV_NTSC:
1916                         tv_std = TV_STD_NTSC;
1917                         DRM_DEBUG_KMS("Default TV standard: NTSC\n");
1918                         break;
1919                 case ATOM_TV_NTSCJ:
1920                         tv_std = TV_STD_NTSC_J;
1921                         DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
1922                         break;
1923                 case ATOM_TV_PAL:
1924                         tv_std = TV_STD_PAL;
1925                         DRM_DEBUG_KMS("Default TV standard: PAL\n");
1926                         break;
1927                 case ATOM_TV_PALM:
1928                         tv_std = TV_STD_PAL_M;
1929                         DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
1930                         break;
1931                 case ATOM_TV_PALN:
1932                         tv_std = TV_STD_PAL_N;
1933                         DRM_DEBUG_KMS("Default TV standard: PAL-N\n");
1934                         break;
1935                 case ATOM_TV_PALCN:
1936                         tv_std = TV_STD_PAL_CN;
1937                         DRM_DEBUG_KMS("Default TV standard: PAL-CN\n");
1938                         break;
1939                 case ATOM_TV_PAL60:
1940                         tv_std = TV_STD_PAL_60;
1941                         DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
1942                         break;
1943                 case ATOM_TV_SECAM:
1944                         tv_std = TV_STD_SECAM;
1945                         DRM_DEBUG_KMS("Default TV standard: SECAM\n");
1946                         break;
1947                 default:
1948                         tv_std = TV_STD_NTSC;
1949                         DRM_DEBUG_KMS("Unknown TV standard; defaulting to NTSC\n");
1950                         break;
1951                 }
1952         }
1953         return tv_std;
1954 }
1955 
1956 struct radeon_encoder_tv_dac *
1957 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
1958 {
1959         struct drm_device *dev = encoder->base.dev;
1960         struct radeon_device *rdev = dev->dev_private;
1961         struct radeon_mode_info *mode_info = &rdev->mode_info;
1962         int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1963         uint16_t data_offset;
1964         struct _COMPASSIONATE_DATA *dac_info;
1965         uint8_t frev, crev;
1966         uint8_t bg, dac;
1967         struct radeon_encoder_tv_dac *tv_dac = NULL;
1968 
1969         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1970                                    &frev, &crev, &data_offset)) {
1971 
1972                 dac_info = (struct _COMPASSIONATE_DATA *)
1973                         (mode_info->atom_context->bios + data_offset);
1974 
1975                 tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1976 
1977                 if (!tv_dac)
1978                         return NULL;
1979 
1980                 bg = dac_info->ucDAC2_CRT2_BG_Adjustment;
1981                 dac = dac_info->ucDAC2_CRT2_DAC_Adjustment;
1982                 tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1983 
1984                 bg = dac_info->ucDAC2_PAL_BG_Adjustment;
1985                 dac = dac_info->ucDAC2_PAL_DAC_Adjustment;
1986                 tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1987 
1988                 bg = dac_info->ucDAC2_NTSC_BG_Adjustment;
1989                 dac = dac_info->ucDAC2_NTSC_DAC_Adjustment;
1990                 tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1991 
1992                 tv_dac->tv_std = radeon_atombios_get_tv_info(rdev);
1993         }
1994         return tv_dac;
1995 }
1996 
1997 static const char *thermal_controller_names[] = {
1998         "NONE",
1999         "lm63",
2000         "adm1032",
2001         "adm1030",
2002         "max6649",
2003         "lm63", /* lm64 */
2004         "f75375",
2005         "asc7xxx",
2006 };
2007 
2008 static const char *pp_lib_thermal_controller_names[] = {
2009         "NONE",
2010         "lm63",
2011         "adm1032",
2012         "adm1030",
2013         "max6649",
2014         "lm63", /* lm64 */
2015         "f75375",
2016         "RV6xx",
2017         "RV770",
2018         "adt7473",
2019         "NONE",
2020         "External GPIO",
2021         "Evergreen",
2022         "emc2103",
2023         "Sumo",
2024         "Northern Islands",
2025         "Southern Islands",
2026         "lm96163",
2027         "Sea Islands",
2028 };
2029 
2030 union power_info {
2031         struct _ATOM_POWERPLAY_INFO info;
2032         struct _ATOM_POWERPLAY_INFO_V2 info_2;
2033         struct _ATOM_POWERPLAY_INFO_V3 info_3;
2034         struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2035         struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2036         struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2037 };
2038 
2039 union pplib_clock_info {
2040         struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2041         struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2042         struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2043         struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2044         struct _ATOM_PPLIB_SI_CLOCK_INFO si;
2045         struct _ATOM_PPLIB_CI_CLOCK_INFO ci;
2046 };
2047 
2048 union pplib_power_state {
2049         struct _ATOM_PPLIB_STATE v1;
2050         struct _ATOM_PPLIB_STATE_V2 v2;
2051 };
2052 
2053 static void radeon_atombios_parse_misc_flags_1_3(struct radeon_device *rdev,
2054                                                  int state_index,
2055                                                  u32 misc, u32 misc2)
2056 {
2057         rdev->pm.power_state[state_index].misc = misc;
2058         rdev->pm.power_state[state_index].misc2 = misc2;
2059         /* order matters! */
2060         if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
2061                 rdev->pm.power_state[state_index].type =
2062                         POWER_STATE_TYPE_POWERSAVE;
2063         if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
2064                 rdev->pm.power_state[state_index].type =
2065                         POWER_STATE_TYPE_BATTERY;
2066         if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
2067                 rdev->pm.power_state[state_index].type =
2068                         POWER_STATE_TYPE_BATTERY;
2069         if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
2070                 rdev->pm.power_state[state_index].type =
2071                         POWER_STATE_TYPE_BALANCED;
2072         if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
2073                 rdev->pm.power_state[state_index].type =
2074                         POWER_STATE_TYPE_PERFORMANCE;
2075                 rdev->pm.power_state[state_index].flags &=
2076                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2077         }
2078         if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
2079                 rdev->pm.power_state[state_index].type =
2080                         POWER_STATE_TYPE_BALANCED;
2081         if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
2082                 rdev->pm.power_state[state_index].type =
2083                         POWER_STATE_TYPE_DEFAULT;
2084                 rdev->pm.default_power_state_index = state_index;
2085                 rdev->pm.power_state[state_index].default_clock_mode =
2086                         &rdev->pm.power_state[state_index].clock_info[0];
2087         } else if (state_index == 0) {
2088                 rdev->pm.power_state[state_index].clock_info[0].flags |=
2089                         RADEON_PM_MODE_NO_DISPLAY;
2090         }
2091 }
2092 
2093 static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
2094 {
2095         struct radeon_mode_info *mode_info = &rdev->mode_info;
2096         u32 misc, misc2 = 0;
2097         int num_modes = 0, i;
2098         int state_index = 0;
2099         struct radeon_i2c_bus_rec i2c_bus;
2100         union power_info *power_info;
2101         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2102         u16 data_offset;
2103         u8 frev, crev;
2104 
2105         if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2106                                    &frev, &crev, &data_offset))
2107                 return state_index;
2108         power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2109 
2110         /* add the i2c bus for thermal/fan chip */
2111         if ((power_info->info.ucOverdriveThermalController > 0) &&
2112             (power_info->info.ucOverdriveThermalController < ARRAY_SIZE(thermal_controller_names))) {
2113                 DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2114                          thermal_controller_names[power_info->info.ucOverdriveThermalController],
2115                          power_info->info.ucOverdriveControllerAddress >> 1);
2116                 i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
2117                 rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2118                 if (rdev->pm.i2c_bus) {
2119                         struct i2c_board_info info = { };
2120                         const char *name = thermal_controller_names[power_info->info.
2121                                                                     ucOverdriveThermalController];
2122                         info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
2123                         strlcpy(info.type, name, sizeof(info.type));
2124                         i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2125                 }
2126         }
2127         num_modes = power_info->info.ucNumOfPowerModeEntries;
2128         if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
2129                 num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
2130         if (num_modes == 0)
2131                 return state_index;
2132         rdev->pm.power_state = kcalloc(num_modes,
2133                                        sizeof(struct radeon_power_state),
2134                                        GFP_KERNEL);
2135         if (!rdev->pm.power_state)
2136                 return state_index;
2137         /* last mode is usually default, array is low to high */
2138         for (i = 0; i < num_modes; i++) {
2139                 rdev->pm.power_state[state_index].clock_info =
2140                         kcalloc(1, sizeof(struct radeon_pm_clock_info),
2141                                 GFP_KERNEL);
2142                 if (!rdev->pm.power_state[state_index].clock_info)
2143                         return state_index;
2144                 rdev->pm.power_state[state_index].num_clock_modes = 1;
2145                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2146                 switch (frev) {
2147                 case 1:
2148                         rdev->pm.power_state[state_index].clock_info[0].mclk =
2149                                 le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
2150                         rdev->pm.power_state[state_index].clock_info[0].sclk =
2151                                 le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
2152                         /* skip invalid modes */
2153                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2154                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2155                                 continue;
2156                         rdev->pm.power_state[state_index].pcie_lanes =
2157                                 power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
2158                         misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
2159                         if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2160                             (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2161                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2162                                         VOLTAGE_GPIO;
2163                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2164                                         radeon_atombios_lookup_gpio(rdev,
2165                                                            power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
2166                                 if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2167                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2168                                                 true;
2169                                 else
2170                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2171                                                 false;
2172                         } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2173                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2174                                         VOLTAGE_VDDC;
2175                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2176                                         power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
2177                         }
2178                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2179                         radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, 0);
2180                         state_index++;
2181                         break;
2182                 case 2:
2183                         rdev->pm.power_state[state_index].clock_info[0].mclk =
2184                                 le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
2185                         rdev->pm.power_state[state_index].clock_info[0].sclk =
2186                                 le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
2187                         /* skip invalid modes */
2188                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2189                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2190                                 continue;
2191                         rdev->pm.power_state[state_index].pcie_lanes =
2192                                 power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
2193                         misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
2194                         misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
2195                         if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2196                             (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2197                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2198                                         VOLTAGE_GPIO;
2199                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2200                                         radeon_atombios_lookup_gpio(rdev,
2201                                                            power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
2202                                 if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2203                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2204                                                 true;
2205                                 else
2206                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2207                                                 false;
2208                         } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2209                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2210                                         VOLTAGE_VDDC;
2211                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2212                                         power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
2213                         }
2214                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2215                         radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, misc2);
2216                         state_index++;
2217                         break;
2218                 case 3:
2219                         rdev->pm.power_state[state_index].clock_info[0].mclk =
2220                                 le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
2221                         rdev->pm.power_state[state_index].clock_info[0].sclk =
2222                                 le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
2223                         /* skip invalid modes */
2224                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2225                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2226                                 continue;
2227                         rdev->pm.power_state[state_index].pcie_lanes =
2228                                 power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
2229                         misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
2230                         misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
2231                         if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2232                             (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2233                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2234                                         VOLTAGE_GPIO;
2235                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2236                                         radeon_atombios_lookup_gpio(rdev,
2237                                                            power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
2238                                 if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2239                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2240                                                 true;
2241                                 else
2242                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2243                                                 false;
2244                         } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2245                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2246                                         VOLTAGE_VDDC;
2247                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2248                                         power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
2249                                 if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
2250                                         rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
2251                                                 true;
2252                                         rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
2253                                                 power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
2254                                 }
2255                         }
2256                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2257                         radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, misc2);
2258                         state_index++;
2259                         break;
2260                 }
2261         }
2262         /* last mode is usually default */
2263         if (rdev->pm.default_power_state_index == -1) {
2264                 rdev->pm.power_state[state_index - 1].type =
2265                         POWER_STATE_TYPE_DEFAULT;
2266                 rdev->pm.default_power_state_index = state_index - 1;
2267                 rdev->pm.power_state[state_index - 1].default_clock_mode =
2268                         &rdev->pm.power_state[state_index - 1].clock_info[0];
2269                 rdev->pm.power_state[state_index].flags &=
2270                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2271                 rdev->pm.power_state[state_index].misc = 0;
2272                 rdev->pm.power_state[state_index].misc2 = 0;
2273         }
2274         return state_index;
2275 }
2276 
2277 static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *rdev,
2278                                                          ATOM_PPLIB_THERMALCONTROLLER *controller)
2279 {
2280         struct radeon_i2c_bus_rec i2c_bus;
2281 
2282         /* add the i2c bus for thermal/fan chip */
2283         if (controller->ucType > 0) {
2284                 if (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN)
2285                         rdev->pm.no_fan = true;
2286                 rdev->pm.fan_pulses_per_revolution =
2287                         controller->ucFanParameters & ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
2288                 if (rdev->pm.fan_pulses_per_revolution) {
2289                         rdev->pm.fan_min_rpm = controller->ucFanMinRPM;
2290                         rdev->pm.fan_max_rpm = controller->ucFanMaxRPM;
2291                 }
2292                 if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) {
2293                         DRM_INFO("Internal thermal controller %s fan control\n",
2294                                  (controller->ucFanParameters &
2295                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2296                         rdev->pm.int_thermal_type = THERMAL_TYPE_RV6XX;
2297                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) {
2298                         DRM_INFO("Internal thermal controller %s fan control\n",
2299                                  (controller->ucFanParameters &
2300                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2301                         rdev->pm.int_thermal_type = THERMAL_TYPE_RV770;
2302                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN) {
2303                         DRM_INFO("Internal thermal controller %s fan control\n",
2304                                  (controller->ucFanParameters &
2305                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2306                         rdev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN;
2307                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) {
2308                         DRM_INFO("Internal thermal controller %s fan control\n",
2309                                  (controller->ucFanParameters &
2310                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2311                         rdev->pm.int_thermal_type = THERMAL_TYPE_SUMO;
2312                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_NISLANDS) {
2313                         DRM_INFO("Internal thermal controller %s fan control\n",
2314                                  (controller->ucFanParameters &
2315                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2316                         rdev->pm.int_thermal_type = THERMAL_TYPE_NI;
2317                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SISLANDS) {
2318                         DRM_INFO("Internal thermal controller %s fan control\n",
2319                                  (controller->ucFanParameters &
2320                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2321                         rdev->pm.int_thermal_type = THERMAL_TYPE_SI;
2322                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_CISLANDS) {
2323                         DRM_INFO("Internal thermal controller %s fan control\n",
2324                                  (controller->ucFanParameters &
2325                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2326                         rdev->pm.int_thermal_type = THERMAL_TYPE_CI;
2327                 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_KAVERI) {
2328                         DRM_INFO("Internal thermal controller %s fan control\n",
2329                                  (controller->ucFanParameters &
2330                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2331                         rdev->pm.int_thermal_type = THERMAL_TYPE_KV;
2332                 } else if (controller->ucType ==
2333                            ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) {
2334                         DRM_INFO("External GPIO thermal controller %s fan control\n",
2335                                  (controller->ucFanParameters &
2336                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2337                         rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL_GPIO;
2338                 } else if (controller->ucType ==
2339                            ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) {
2340                         DRM_INFO("ADT7473 with internal thermal controller %s fan control\n",
2341                                  (controller->ucFanParameters &
2342                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2343                         rdev->pm.int_thermal_type = THERMAL_TYPE_ADT7473_WITH_INTERNAL;
2344                 } else if (controller->ucType ==
2345                            ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL) {
2346                         DRM_INFO("EMC2103 with internal thermal controller %s fan control\n",
2347                                  (controller->ucFanParameters &
2348                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2349                         rdev->pm.int_thermal_type = THERMAL_TYPE_EMC2103_WITH_INTERNAL;
2350                 } else if (controller->ucType < ARRAY_SIZE(pp_lib_thermal_controller_names)) {
2351                         DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
2352                                  pp_lib_thermal_controller_names[controller->ucType],
2353                                  controller->ucI2cAddress >> 1,
2354                                  (controller->ucFanParameters &
2355                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2356                         rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL;
2357                         i2c_bus = radeon_lookup_i2c_gpio(rdev, controller->ucI2cLine);
2358                         rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2359                         if (rdev->pm.i2c_bus) {
2360                                 struct i2c_board_info info = { };
2361                                 const char *name = pp_lib_thermal_controller_names[controller->ucType];
2362                                 info.addr = controller->ucI2cAddress >> 1;
2363                                 strlcpy(info.type, name, sizeof(info.type));
2364                                 i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2365                         }
2366                 } else {
2367                         DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n",
2368                                  controller->ucType,
2369                                  controller->ucI2cAddress >> 1,
2370                                  (controller->ucFanParameters &
2371                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2372                 }
2373         }
2374 }
2375 
2376 void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
2377                                           u16 *vddc, u16 *vddci, u16 *mvdd)
2378 {
2379         struct radeon_mode_info *mode_info = &rdev->mode_info;
2380         int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
2381         u8 frev, crev;
2382         u16 data_offset;
2383         union firmware_info *firmware_info;
2384 
2385         *vddc = 0;
2386         *vddci = 0;
2387         *mvdd = 0;
2388 
2389         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2390                                    &frev, &crev, &data_offset)) {
2391                 firmware_info =
2392                         (union firmware_info *)(mode_info->atom_context->bios +
2393                                                 data_offset);
2394                 *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
2395                 if ((frev == 2) && (crev >= 2)) {
2396                         *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
2397                         *mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage);
2398                 }
2399         }
2400 }
2401 
2402 static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rdev,
2403                                                        int state_index, int mode_index,
2404                                                        struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info)
2405 {
2406         int j;
2407         u32 misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2408         u32 misc2 = le16_to_cpu(non_clock_info->usClassification);
2409         u16 vddc, vddci, mvdd;
2410 
2411         radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
2412 
2413         rdev->pm.power_state[state_index].misc = misc;
2414         rdev->pm.power_state[state_index].misc2 = misc2;
2415         rdev->pm.power_state[state_index].pcie_lanes =
2416                 ((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
2417                  ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
2418         switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
2419         case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
2420                 rdev->pm.power_state[state_index].type =
2421                         POWER_STATE_TYPE_BATTERY;
2422                 break;
2423         case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
2424                 rdev->pm.power_state[state_index].type =
2425                         POWER_STATE_TYPE_BALANCED;
2426                 break;
2427         case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
2428                 rdev->pm.power_state[state_index].type =
2429                         POWER_STATE_TYPE_PERFORMANCE;
2430                 break;
2431         case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
2432                 if (misc2 & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
2433                         rdev->pm.power_state[state_index].type =
2434                                 POWER_STATE_TYPE_PERFORMANCE;
2435                 break;
2436         }
2437         rdev->pm.power_state[state_index].flags = 0;
2438         if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
2439                 rdev->pm.power_state[state_index].flags |=
2440                         RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2441         if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2442                 rdev->pm.power_state[state_index].type =
2443                         POWER_STATE_TYPE_DEFAULT;
2444                 rdev->pm.default_power_state_index = state_index;
2445                 rdev->pm.power_state[state_index].default_clock_mode =
2446                         &rdev->pm.power_state[state_index].clock_info[mode_index - 1];
2447                 if ((rdev->family >= CHIP_BARTS) && !(rdev->flags & RADEON_IS_IGP)) {
2448                         /* NI chips post without MC ucode, so default clocks are strobe mode only */
2449                         rdev->pm.default_sclk = rdev->pm.power_state[state_index].clock_info[0].sclk;
2450                         rdev->pm.default_mclk = rdev->pm.power_state[state_index].clock_info[0].mclk;
2451                         rdev->pm.default_vddc = rdev->pm.power_state[state_index].clock_info[0].voltage.voltage;
2452                         rdev->pm.default_vddci = rdev->pm.power_state[state_index].clock_info[0].voltage.vddci;
2453                 } else {
2454                         u16 max_vddci = 0;
2455 
2456                         if (ASIC_IS_DCE4(rdev))
2457                                 radeon_atom_get_max_voltage(rdev,
2458                                                             SET_VOLTAGE_TYPE_ASIC_VDDCI,
2459                                                             &max_vddci);
2460                         /* patch the table values with the default sclk/mclk from firmware info */
2461                         for (j = 0; j < mode_index; j++) {
2462                                 rdev->pm.power_state[state_index].clock_info[j].mclk =
2463                                         rdev->clock.default_mclk;
2464                                 rdev->pm.power_state[state_index].clock_info[j].sclk =
2465                                         rdev->clock.default_sclk;
2466                                 if (vddc)
2467                                         rdev->pm.power_state[state_index].clock_info[j].voltage.voltage =
2468                                                 vddc;
2469                                 if (max_vddci)
2470                                         rdev->pm.power_state[state_index].clock_info[j].voltage.vddci =
2471                                                 max_vddci;
2472                         }
2473                 }
2474         }
2475 }
2476 
2477 static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
2478                                                    int state_index, int mode_index,
2479                                                    union pplib_clock_info *clock_info)
2480 {
2481         u32 sclk, mclk;
2482         u16 vddc;
2483 
2484         if (rdev->flags & RADEON_IS_IGP) {
2485                 if (rdev->family >= CHIP_PALM) {
2486                         sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2487                         sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2488                         rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2489                 } else {
2490                         sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow);
2491                         sclk |= clock_info->rs780.ucLowEngineClockHigh << 16;
2492                         rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2493                 }
2494         } else if (rdev->family >= CHIP_BONAIRE) {
2495                 sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
2496                 sclk |= clock_info->ci.ucEngineClockHigh << 16;
2497                 mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
2498                 mclk |= clock_info->ci.ucMemoryClockHigh << 16;
2499                 rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2500                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2501                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2502                         VOLTAGE_NONE;
2503         } else if (rdev->family >= CHIP_TAHITI) {
2504                 sclk = le16_to_cpu(clock_info->si.usEngineClockLow);
2505                 sclk |= clock_info->si.ucEngineClockHigh << 16;
2506                 mclk = le16_to_cpu(clock_info->si.usMemoryClockLow);
2507                 mclk |= clock_info->si.ucMemoryClockHigh << 16;
2508                 rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2509                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2510                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2511                         VOLTAGE_SW;
2512                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2513                         le16_to_cpu(clock_info->si.usVDDC);
2514                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
2515                         le16_to_cpu(clock_info->si.usVDDCI);
2516         } else if (rdev->family >= CHIP_CEDAR) {
2517                 sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
2518                 sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
2519                 mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
2520                 mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
2521                 rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2522                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2523                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2524                         VOLTAGE_SW;
2525                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2526                         le16_to_cpu(clock_info->evergreen.usVDDC);
2527                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
2528                         le16_to_cpu(clock_info->evergreen.usVDDCI);
2529         } else {
2530                 sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
2531                 sclk |= clock_info->r600.ucEngineClockHigh << 16;
2532                 mclk = le16_to_cpu(clock_info->r600.usMemoryClockLow);
2533                 mclk |= clock_info->r600.ucMemoryClockHigh << 16;
2534                 rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2535                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2536                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2537                         VOLTAGE_SW;
2538                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2539                         le16_to_cpu(clock_info->r600.usVDDC);
2540         }
2541 
2542         /* patch up vddc if necessary */
2543         switch (rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage) {
2544         case ATOM_VIRTUAL_VOLTAGE_ID0:
2545         case ATOM_VIRTUAL_VOLTAGE_ID1:
2546         case ATOM_VIRTUAL_VOLTAGE_ID2:
2547         case ATOM_VIRTUAL_VOLTAGE_ID3:
2548         case ATOM_VIRTUAL_VOLTAGE_ID4:
2549         case ATOM_VIRTUAL_VOLTAGE_ID5:
2550         case ATOM_VIRTUAL_VOLTAGE_ID6:
2551         case ATOM_VIRTUAL_VOLTAGE_ID7:
2552                 if (radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC,
2553                                              rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage,
2554                                              &vddc) == 0)
2555                         rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage = vddc;
2556                 break;
2557         default:
2558                 break;
2559         }
2560 
2561         if (rdev->flags & RADEON_IS_IGP) {
2562                 /* skip invalid modes */
2563                 if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
2564                         return false;
2565         } else {
2566                 /* skip invalid modes */
2567                 if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
2568                     (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
2569                         return false;
2570         }
2571         return true;
2572 }
2573 
2574 static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
2575 {
2576         struct radeon_mode_info *mode_info = &rdev->mode_info;
2577         struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2578         union pplib_power_state *power_state;
2579         int i, j;
2580         int state_index = 0, mode_index = 0;
2581         union pplib_clock_info *clock_info;
2582         bool valid;
2583         union power_info *power_info;
2584         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2585         u16 data_offset;
2586         u8 frev, crev;
2587 
2588         if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2589                                    &frev, &crev, &data_offset))
2590                 return state_index;
2591         power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2592 
2593         radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
2594         if (power_info->pplib.ucNumStates == 0)
2595                 return state_index;
2596         rdev->pm.power_state = kcalloc(power_info->pplib.ucNumStates,
2597                                        sizeof(struct radeon_power_state),
2598                                        GFP_KERNEL);
2599         if (!rdev->pm.power_state)
2600                 return state_index;
2601         /* first mode is usually default, followed by low to high */
2602         for (i = 0; i < power_info->pplib.ucNumStates; i++) {
2603                 mode_index = 0;
2604                 power_state = (union pplib_power_state *)
2605                         (mode_info->atom_context->bios + data_offset +
2606                          le16_to_cpu(power_info->pplib.usStateArrayOffset) +
2607                          i * power_info->pplib.ucStateEntrySize);
2608                 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2609                         (mode_info->atom_context->bios + data_offset +
2610                          le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
2611                          (power_state->v1.ucNonClockStateIndex *
2612                           power_info->pplib.ucNonClockSize));
2613                 rdev->pm.power_state[i].clock_info =
2614                         kcalloc((power_info->pplib.ucStateEntrySize - 1) ?
2615                                 (power_info->pplib.ucStateEntrySize - 1) : 1,
2616                                 sizeof(struct radeon_pm_clock_info),
2617                                 GFP_KERNEL);
2618                 if (!rdev->pm.power_state[i].clock_info)
2619                         return state_index;
2620                 if (power_info->pplib.ucStateEntrySize - 1) {
2621                         for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
2622                                 clock_info = (union pplib_clock_info *)
2623                                         (mode_info->atom_context->bios + data_offset +
2624                                          le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
2625                                          (power_state->v1.ucClockStateIndices[j] *
2626                                           power_info->pplib.ucClockInfoSize));
2627                                 valid = radeon_atombios_parse_pplib_clock_info(rdev,
2628                                                                                state_index, mode_index,
2629                                                                                clock_info);
2630                                 if (valid)
2631                                         mode_index++;
2632                         }
2633                 } else {
2634                         rdev->pm.power_state[state_index].clock_info[0].mclk =
2635                                 rdev->clock.default_mclk;
2636                         rdev->pm.power_state[state_index].clock_info[0].sclk =
2637                                 rdev->clock.default_sclk;
2638                         mode_index++;
2639                 }
2640                 rdev->pm.power_state[state_index].num_clock_modes = mode_index;
2641                 if (mode_index) {
2642                         radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
2643                                                                    non_clock_info);
2644                         state_index++;
2645                 }
2646         }
2647         /* if multiple clock modes, mark the lowest as no display */
2648         for (i = 0; i < state_index; i++) {
2649                 if (rdev->pm.power_state[i].num_clock_modes > 1)
2650                         rdev->pm.power_state[i].clock_info[0].flags |=
2651                                 RADEON_PM_MODE_NO_DISPLAY;
2652         }
2653         /* first mode is usually default */
2654         if (rdev->pm.default_power_state_index == -1) {
2655                 rdev->pm.power_state[0].type =
2656                         POWER_STATE_TYPE_DEFAULT;
2657                 rdev->pm.default_power_state_index = 0;
2658                 rdev->pm.power_state[0].default_clock_mode =
2659                         &rdev->pm.power_state[0].clock_info[0];
2660         }
2661         return state_index;
2662 }
2663 
2664 static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
2665 {
2666         struct radeon_mode_info *mode_info = &rdev->mode_info;
2667         struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2668         union pplib_power_state *power_state;
2669         int i, j, non_clock_array_index, clock_array_index;
2670         int state_index = 0, mode_index = 0;
2671         union pplib_clock_info *clock_info;
2672         struct _StateArray *state_array;
2673         struct _ClockInfoArray *clock_info_array;
2674         struct _NonClockInfoArray *non_clock_info_array;
2675         bool valid;
2676         union power_info *power_info;
2677         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2678         u16 data_offset;
2679         u8 frev, crev;
2680         u8 *power_state_offset;
2681 
2682         if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2683                                    &frev, &crev, &data_offset))
2684                 return state_index;
2685         power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2686 
2687         radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
2688         state_array = (struct _StateArray *)
2689                 (mode_info->atom_context->bios + data_offset +
2690                  le16_to_cpu(power_info->pplib.usStateArrayOffset));
2691         clock_info_array = (struct _ClockInfoArray *)
2692                 (mode_info->atom_context->bios + data_offset +
2693                  le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2694         non_clock_info_array = (struct _NonClockInfoArray *)
2695                 (mode_info->atom_context->bios + data_offset +
2696                  le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2697         if (state_array->ucNumEntries == 0)
2698                 return state_index;
2699         rdev->pm.power_state = kcalloc(state_array->ucNumEntries,
2700                                        sizeof(struct radeon_power_state),
2701                                        GFP_KERNEL);
2702         if (!rdev->pm.power_state)
2703                 return state_index;
2704         power_state_offset = (u8 *)state_array->states;
2705         for (i = 0; i < state_array->ucNumEntries; i++) {
2706                 mode_index = 0;
2707                 power_state = (union pplib_power_state *)power_state_offset;
2708                 non_clock_array_index = power_state->v2.nonClockInfoIndex;
2709                 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2710                         &non_clock_info_array->nonClockInfo[non_clock_array_index];
2711                 rdev->pm.power_state[i].clock_info =
2712                         kcalloc(power_state->v2.ucNumDPMLevels ?
2713                                 power_state->v2.ucNumDPMLevels : 1,
2714                                 sizeof(struct radeon_pm_clock_info),
2715                                 GFP_KERNEL);
2716                 if (!rdev->pm.power_state[i].clock_info)
2717                         return state_index;
2718                 if (power_state->v2.ucNumDPMLevels) {
2719                         for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2720                                 clock_array_index = power_state->v2.clockInfoIndex[j];
2721                                 clock_info = (union pplib_clock_info *)
2722                                         &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2723                                 valid = radeon_atombios_parse_pplib_clock_info(rdev,
2724                                                                                state_index, mode_index,
2725                                                                                clock_info);
2726                                 if (valid)
2727                                         mode_index++;
2728                         }
2729                 } else {
2730                         rdev->pm.power_state[state_index].clock_info[0].mclk =
2731                                 rdev->clock.default_mclk;
2732                         rdev->pm.power_state[state_index].clock_info[0].sclk =
2733                                 rdev->clock.default_sclk;
2734                         mode_index++;
2735                 }
2736                 rdev->pm.power_state[state_index].num_clock_modes = mode_index;
2737                 if (mode_index) {
2738                         radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
2739                                                                    non_clock_info);
2740                         state_index++;
2741                 }
2742                 power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2743         }
2744         /* if multiple clock modes, mark the lowest as no display */
2745         for (i = 0; i < state_index; i++) {
2746                 if (rdev->pm.power_state[i].num_clock_modes > 1)
2747                         rdev->pm.power_state[i].clock_info[0].flags |=
2748                                 RADEON_PM_MODE_NO_DISPLAY;
2749         }
2750         /* first mode is usually default */
2751         if (rdev->pm.default_power_state_index == -1) {
2752                 rdev->pm.power_state[0].type =
2753                         POWER_STATE_TYPE_DEFAULT;
2754                 rdev->pm.default_power_state_index = 0;
2755                 rdev->pm.power_state[0].default_clock_mode =
2756                         &rdev->pm.power_state[0].clock_info[0];
2757         }
2758         return state_index;
2759 }
2760 
2761 void radeon_atombios_get_power_modes(struct radeon_device *rdev)
2762 {
2763         struct radeon_mode_info *mode_info = &rdev->mode_info;
2764         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2765         u16 data_offset;
2766         u8 frev, crev;
2767         int state_index = 0;
2768 
2769         rdev->pm.default_power_state_index = -1;
2770 
2771         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2772                                    &frev, &crev, &data_offset)) {
2773                 switch (frev) {
2774                 case 1:
2775                 case 2:
2776                 case 3:
2777                         state_index = radeon_atombios_parse_power_table_1_3(rdev);
2778                         break;
2779                 case 4:
2780                 case 5:
2781                         state_index = radeon_atombios_parse_power_table_4_5(rdev);
2782                         break;
2783                 case 6:
2784                         state_index = radeon_atombios_parse_power_table_6(rdev);
2785                         break;
2786                 default:
2787                         break;
2788                 }
2789         }
2790 
2791         if (state_index == 0) {
2792                 rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
2793                 if (rdev->pm.power_state) {
2794                         rdev->pm.power_state[0].clock_info =
2795                                 kcalloc(1,
2796                                         sizeof(struct radeon_pm_clock_info),
2797                                         GFP_KERNEL);
2798                         if (rdev->pm.power_state[0].clock_info) {
2799                                 /* add the default mode */
2800                                 rdev->pm.power_state[state_index].type =
2801                                         POWER_STATE_TYPE_DEFAULT;
2802                                 rdev->pm.power_state[state_index].num_clock_modes = 1;
2803                                 rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2804                                 rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2805                                 rdev->pm.power_state[state_index].default_clock_mode =
2806                                         &rdev->pm.power_state[state_index].clock_info[0];
2807                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2808                                 rdev->pm.power_state[state_index].pcie_lanes = 16;
2809                                 rdev->pm.default_power_state_index = state_index;
2810                                 rdev->pm.power_state[state_index].flags = 0;
2811                                 state_index++;
2812                         }
2813                 }
2814         }
2815 
2816         rdev->pm.num_power_states = state_index;
2817 
2818         rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2819         rdev->pm.current_clock_mode_index = 0;
2820         if (rdev->pm.default_power_state_index >= 0)
2821                 rdev->pm.current_vddc =
2822                         rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
2823         else
2824                 rdev->pm.current_vddc = 0;
2825 }
2826 
2827 union get_clock_dividers {
2828         struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
2829         struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
2830         struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
2831         struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
2832         struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
2833         struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
2834         struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
2835 };
2836 
2837 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
2838                                    u8 clock_type,
2839                                    u32 clock,
2840                                    bool strobe_mode,
2841                                    struct atom_clock_dividers *dividers)
2842 {
2843         union get_clock_dividers args;
2844         int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
2845         u8 frev, crev;
2846 
2847         memset(&args, 0, sizeof(args));
2848         memset(dividers, 0, sizeof(struct atom_clock_dividers));
2849 
2850         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
2851                 return -EINVAL;
2852 
2853         switch (crev) {
2854         case 1:
2855                 /* r4xx, r5xx */
2856                 args.v1.ucAction = clock_type;
2857                 args.v1.ulClock = cpu_to_le32(clock);   /* 10 khz */
2858 
2859                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2860 
2861                 dividers->post_div = args.v1.ucPostDiv;
2862                 dividers->fb_div = args.v1.ucFbDiv;
2863                 dividers->enable_post_div = true;
2864                 break;
2865         case 2:
2866         case 3:
2867         case 5:
2868                 /* r6xx, r7xx, evergreen, ni, si */
2869                 if (rdev->family <= CHIP_RV770) {
2870                         args.v2.ucAction = clock_type;
2871                         args.v2.ulClock = cpu_to_le32(clock);   /* 10 khz */
2872 
2873                         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2874 
2875                         dividers->post_div = args.v2.ucPostDiv;
2876                         dividers->fb_div = le16_to_cpu(args.v2.usFbDiv);
2877                         dividers->ref_div = args.v2.ucAction;
2878                         if (rdev->family == CHIP_RV770) {
2879                                 dividers->enable_post_div = (le32_to_cpu(args.v2.ulClock) & (1 << 24)) ?
2880                                         true : false;
2881                                 dividers->vco_mode = (le32_to_cpu(args.v2.ulClock) & (1 << 25)) ? 1 : 0;
2882                         } else
2883                                 dividers->enable_post_div = (dividers->fb_div & 1) ? true : false;
2884                 } else {
2885                         if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
2886                                 args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
2887 
2888                                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2889 
2890                                 dividers->post_div = args.v3.ucPostDiv;
2891                                 dividers->enable_post_div = (args.v3.ucCntlFlag &
2892                                                              ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
2893                                 dividers->enable_dithen = (args.v3.ucCntlFlag &
2894                                                            ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
2895                                 dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv);
2896                                 dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac);
2897                                 dividers->ref_div = args.v3.ucRefDiv;
2898                                 dividers->vco_mode = (args.v3.ucCntlFlag &
2899                                                       ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
2900                         } else {
2901                                 /* for SI we use ComputeMemoryClockParam for memory plls */
2902                                 if (rdev->family >= CHIP_TAHITI)
2903                                         return -EINVAL;
2904                                 args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
2905                                 if (strobe_mode)
2906                                         args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
2907 
2908                                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2909 
2910                                 dividers->post_div = args.v5.ucPostDiv;
2911                                 dividers->enable_post_div = (args.v5.ucCntlFlag &
2912                                                              ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
2913                                 dividers->enable_dithen = (args.v5.ucCntlFlag &
2914                                                            ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
2915                                 dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv);
2916                                 dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac);
2917                                 dividers->ref_div = args.v5.ucRefDiv;
2918                                 dividers->vco_mode = (args.v5.ucCntlFlag &
2919                                                       ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
2920                         }
2921                 }
2922                 break;
2923         case 4:
2924                 /* fusion */
2925                 args.v4.ulClock = cpu_to_le32(clock);   /* 10 khz */
2926 
2927                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2928 
2929                 dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
2930                 dividers->real_clock = le32_to_cpu(args.v4.ulClock);
2931                 break;
2932         case 6:
2933                 /* CI */
2934                 /* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
2935                 args.v6_in.ulClock.ulComputeClockFlag = clock_type;
2936                 args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock);    /* 10 khz */
2937 
2938                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2939 
2940                 dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
2941                 dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
2942                 dividers->ref_div = args.v6_out.ucPllRefDiv;
2943                 dividers->post_div = args.v6_out.ucPllPostDiv;
2944                 dividers->flags = args.v6_out.ucPllCntlFlag;
2945                 dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
2946                 dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
2947                 break;
2948         default:
2949                 return -EINVAL;
2950         }
2951         return 0;
2952 }
2953 
2954 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
2955                                         u32 clock,
2956                                         bool strobe_mode,
2957                                         struct atom_mpll_param *mpll_param)
2958 {
2959         COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
2960         int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
2961         u8 frev, crev;
2962 
2963         memset(&args, 0, sizeof(args));
2964         memset(mpll_param, 0, sizeof(struct atom_mpll_param));
2965 
2966         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
2967                 return -EINVAL;
2968 
2969         switch (frev) {
2970         case 2:
2971                 switch (crev) {
2972                 case 1:
2973                         /* SI */
2974                         args.ulClock = cpu_to_le32(clock);      /* 10 khz */
2975                         args.ucInputFlag = 0;
2976                         if (strobe_mode)
2977                                 args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
2978 
2979                         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2980 
2981                         mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
2982                         mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
2983                         mpll_param->post_div = args.ucPostDiv;
2984                         mpll_param->dll_speed = args.ucDllSpeed;
2985                         mpll_param->bwcntl = args.ucBWCntl;
2986                         mpll_param->vco_mode =
2987                                 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
2988                         mpll_param->yclk_sel =
2989                                 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
2990                         mpll_param->qdr =
2991                                 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
2992                         mpll_param->half_rate =
2993                                 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
2994                         break;
2995                 default:
2996                         return -EINVAL;
2997                 }
2998                 break;
2999         default:
3000                 return -EINVAL;
3001         }
3002         return 0;
3003 }
3004 
3005 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
3006 {
3007         DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
3008         int index = GetIndexIntoMasterTable(COMMAND, DynamicClockGating);
3009 
3010         args.ucEnable = enable;
3011 
3012         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3013 }
3014 
3015 uint32_t radeon_atom_get_engine_clock(struct radeon_device *rdev)
3016 {
3017         GET_ENGINE_CLOCK_PS_ALLOCATION args;
3018         int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
3019 
3020         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3021         return le32_to_cpu(args.ulReturnEngineClock);
3022 }
3023 
3024 uint32_t radeon_atom_get_memory_clock(struct radeon_device *rdev)
3025 {
3026         GET_MEMORY_CLOCK_PS_ALLOCATION args;
3027         int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
3028 
3029         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3030         return le32_to_cpu(args.ulReturnMemoryClock);
3031 }
3032 
3033 void radeon_atom_set_engine_clock(struct radeon_device *rdev,
3034                                   uint32_t eng_clock)
3035 {
3036         SET_ENGINE_CLOCK_PS_ALLOCATION args;
3037         int index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
3038 
3039         args.ulTargetEngineClock = cpu_to_le32(eng_clock);      /* 10 khz */
3040 
3041         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3042 }
3043 
3044 void radeon_atom_set_memory_clock(struct radeon_device *rdev,
3045                                   uint32_t mem_clock)
3046 {
3047         SET_MEMORY_CLOCK_PS_ALLOCATION args;
3048         int index = GetIndexIntoMasterTable(COMMAND, SetMemoryClock);
3049 
3050         if (rdev->flags & RADEON_IS_IGP)
3051                 return;
3052 
3053         args.ulTargetMemoryClock = cpu_to_le32(mem_clock);      /* 10 khz */
3054 
3055         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3056 }
3057 
3058 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
3059                                          u32 eng_clock, u32 mem_clock)
3060 {
3061         SET_ENGINE_CLOCK_PS_ALLOCATION args;
3062         int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3063         u32 tmp;
3064 
3065         memset(&args, 0, sizeof(args));
3066 
3067         tmp = eng_clock & SET_CLOCK_FREQ_MASK;
3068         tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
3069 
3070         args.ulTargetEngineClock = cpu_to_le32(tmp);
3071         if (mem_clock)
3072                 args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
3073 
3074         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3075 }
3076 
3077 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
3078                                    u32 mem_clock)
3079 {
3080         u32 args;
3081         int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3082 
3083         args = cpu_to_le32(mem_clock);  /* 10 khz */
3084 
3085         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3086 }
3087 
3088 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
3089                                u32 mem_clock)
3090 {
3091         SET_MEMORY_CLOCK_PS_ALLOCATION args;
3092         int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3093         u32 tmp = mem_clock | (COMPUTE_MEMORY_PLL_PARAM << 24);
3094 
3095         args.ulTargetMemoryClock = cpu_to_le32(tmp);    /* 10 khz */
3096 
3097         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3098 }
3099 
3100 union set_voltage {
3101         struct _SET_VOLTAGE_PS_ALLOCATION alloc;
3102         struct _SET_VOLTAGE_PARAMETERS v1;
3103         struct _SET_VOLTAGE_PARAMETERS_V2 v2;
3104         struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
3105 };
3106 
3107 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type)
3108 {
3109         union set_voltage args;
3110         int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3111         u8 frev, crev, volt_index = voltage_level;
3112 
3113         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3114                 return;
3115 
3116         /* 0xff01 is a flag rather then an actual voltage */
3117         if (voltage_level == 0xff01)
3118                 return;
3119 
3120         switch (crev) {
3121         case 1:
3122                 args.v1.ucVoltageType = voltage_type;
3123                 args.v1.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_ALL_SOURCE;
3124                 args.v1.ucVoltageIndex = volt_index;
3125                 break;
3126         case 2:
3127                 args.v2.ucVoltageType = voltage_type;
3128                 args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
3129                 args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3130                 break;
3131         case 3:
3132                 args.v3.ucVoltageType = voltage_type;
3133                 args.v3.ucVoltageMode = ATOM_SET_VOLTAGE;
3134                 args.v3.usVoltageLevel = cpu_to_le16(voltage_level);
3135                 break;
3136         default:
3137                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3138                 return;
3139         }
3140 
3141         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3142 }
3143 
3144 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
3145                              u16 voltage_id, u16 *voltage)
3146 {
3147         union set_voltage args;
3148         int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3149         u8 frev, crev;
3150 
3151         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3152                 return -EINVAL;
3153 
3154         switch (crev) {
3155         case 1:
3156                 return -EINVAL;
3157         case 2:
3158                 args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
3159                 args.v2.ucVoltageMode = 0;
3160                 args.v2.usVoltageLevel = 0;
3161 
3162                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3163 
3164                 *voltage = le16_to_cpu(args.v2.usVoltageLevel);
3165                 break;
3166         case 3:
3167                 args.v3.ucVoltageType = voltage_type;
3168                 args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
3169                 args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
3170 
3171                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3172 
3173                 *voltage = le16_to_cpu(args.v3.usVoltageLevel);
3174                 break;
3175         default:
3176                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3177                 return -EINVAL;
3178         }
3179 
3180         return 0;
3181 }
3182 
3183 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
3184                                                       u16 *voltage,
3185                                                       u16 leakage_idx)
3186 {
3187         return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
3188 }
3189 
3190 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
3191                                           u16 *leakage_id)
3192 {
3193         union set_voltage args;
3194         int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3195         u8 frev, crev;
3196 
3197         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3198                 return -EINVAL;
3199 
3200         switch (crev) {
3201         case 3:
3202         case 4:
3203                 args.v3.ucVoltageType = 0;
3204                 args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
3205                 args.v3.usVoltageLevel = 0;
3206 
3207                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3208 
3209                 *leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
3210                 break;
3211         default:
3212                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3213                 return -EINVAL;
3214         }
3215 
3216         return 0;
3217 }
3218 
3219 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
3220                                                          u16 *vddc, u16 *vddci,
3221                                                          u16 virtual_voltage_id,
3222                                                          u16 vbios_voltage_id)
3223 {
3224         int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
3225         u8 frev, crev;
3226         u16 data_offset, size;
3227         int i, j;
3228         ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
3229         u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
3230 
3231         *vddc = 0;
3232         *vddci = 0;
3233 
3234         if (!atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3235                                     &frev, &crev, &data_offset))
3236                 return -EINVAL;
3237 
3238         profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
3239                 (rdev->mode_info.atom_context->bios + data_offset);
3240 
3241         switch (frev) {
3242         case 1:
3243                 return -EINVAL;
3244         case 2:
3245                 switch (crev) {
3246                 case 1:
3247                         if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
3248                                 return -EINVAL;
3249                         leakage_bin = (u16 *)
3250                                 (rdev->mode_info.atom_context->bios + data_offset +
3251                                  le16_to_cpu(profile->usLeakageBinArrayOffset));
3252                         vddc_id_buf = (u16 *)
3253                                 (rdev->mode_info.atom_context->bios + data_offset +
3254                                  le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
3255                         vddc_buf = (u16 *)
3256                                 (rdev->mode_info.atom_context->bios + data_offset +
3257                                  le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
3258                         vddci_id_buf = (u16 *)
3259                                 (rdev->mode_info.atom_context->bios + data_offset +
3260                                  le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
3261                         vddci_buf = (u16 *)
3262                                 (rdev->mode_info.atom_context->bios + data_offset +
3263                                  le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
3264 
3265                         if (profile->ucElbVDDC_Num > 0) {
3266                                 for (i = 0; i < profile->ucElbVDDC_Num; i++) {
3267                                         if (vddc_id_buf[i] == virtual_voltage_id) {
3268                                                 for (j = 0; j < profile->ucLeakageBinNum; j++) {
3269                                                         if (vbios_voltage_id <= leakage_bin[j]) {
3270                                                                 *vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
3271                                                                 break;
3272                                                         }
3273                                                 }
3274                                                 break;
3275                                         }
3276                                 }
3277                         }
3278                         if (profile->ucElbVDDCI_Num > 0) {
3279                                 for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
3280                                         if (vddci_id_buf[i] == virtual_voltage_id) {
3281                                                 for (j = 0; j < profile->ucLeakageBinNum; j++) {
3282                                                         if (vbios_voltage_id <= leakage_bin[j]) {
3283                                                                 *vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
3284                                                                 break;
3285                                                         }
3286                                                 }
3287                                                 break;
3288                                         }
3289                                 }
3290                         }
3291                         break;
3292                 default:
3293                         DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3294                         return -EINVAL;
3295                 }
3296                 break;
3297         default:
3298                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3299                 return -EINVAL;
3300         }
3301 
3302         return 0;
3303 }
3304 
3305 union get_voltage_info {
3306         struct  _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
3307         struct  _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
3308 };
3309 
3310 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
3311                                 u16 virtual_voltage_id,
3312                                 u16 *voltage)
3313 {
3314         int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
3315         u32 entry_id;
3316         u32 count = rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
3317         union get_voltage_info args;
3318 
3319         for (entry_id = 0; entry_id < count; entry_id++) {
3320                 if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
3321                     virtual_voltage_id)
3322                         break;
3323         }
3324 
3325         if (entry_id >= count)
3326                 return -EINVAL;
3327 
3328         args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
3329         args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
3330         args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
3331         args.in.ulSCLKFreq =
3332                 cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
3333 
3334         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3335 
3336         *voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
3337 
3338         return 0;
3339 }
3340 
3341 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
3342                                           u16 voltage_level, u8 voltage_type,
3343                                           u32 *gpio_value, u32 *gpio_mask)
3344 {
3345         union set_voltage args;
3346         int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3347         u8 frev, crev;
3348 
3349         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3350                 return -EINVAL;
3351 
3352         switch (crev) {
3353         case 1:
3354                 return -EINVAL;
3355         case 2:
3356                 args.v2.ucVoltageType = voltage_type;
3357                 args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_GET_GPIOMASK;
3358                 args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3359 
3360                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3361 
3362                 *gpio_mask = le32_to_cpu(*(u32 *)&args.v2);
3363 
3364                 args.v2.ucVoltageType = voltage_type;
3365                 args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_GET_GPIOVAL;
3366                 args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3367 
3368                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3369 
3370                 *gpio_value = le32_to_cpu(*(u32 *)&args.v2);
3371                 break;
3372         default:
3373                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3374                 return -EINVAL;
3375         }
3376 
3377         return 0;
3378 }
3379 
3380 union voltage_object_info {
3381         struct _ATOM_VOLTAGE_OBJECT_INFO v1;
3382         struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
3383         struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
3384 };
3385 
3386 union voltage_object {
3387         struct _ATOM_VOLTAGE_OBJECT v1;
3388         struct _ATOM_VOLTAGE_OBJECT_V2 v2;
3389         union _ATOM_VOLTAGE_OBJECT_V3 v3;
3390 };
3391 
3392 static ATOM_VOLTAGE_OBJECT *atom_lookup_voltage_object_v1(ATOM_VOLTAGE_OBJECT_INFO *v1,
3393                                                           u8 voltage_type)
3394 {
3395         u32 size = le16_to_cpu(v1->sHeader.usStructureSize);
3396         u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO, asVoltageObj[0]);
3397         u8 *start = (u8 *)v1;
3398 
3399         while (offset < size) {
3400                 ATOM_VOLTAGE_OBJECT *vo = (ATOM_VOLTAGE_OBJECT *)(start + offset);
3401                 if (vo->ucVoltageType == voltage_type)
3402                         return vo;
3403                 offset += offsetof(ATOM_VOLTAGE_OBJECT, asFormula.ucVIDAdjustEntries) +
3404                         vo->asFormula.ucNumOfVoltageEntries;
3405         }
3406         return NULL;
3407 }
3408 
3409 static ATOM_VOLTAGE_OBJECT_V2 *atom_lookup_voltage_object_v2(ATOM_VOLTAGE_OBJECT_INFO_V2 *v2,
3410                                                              u8 voltage_type)
3411 {
3412         u32 size = le16_to_cpu(v2->sHeader.usStructureSize);
3413         u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V2, asVoltageObj[0]);
3414         u8 *start = (u8*)v2;
3415 
3416         while (offset < size) {
3417                 ATOM_VOLTAGE_OBJECT_V2 *vo = (ATOM_VOLTAGE_OBJECT_V2 *)(start + offset);
3418                 if (vo->ucVoltageType == voltage_type)
3419                         return vo;
3420                 offset += offsetof(ATOM_VOLTAGE_OBJECT_V2, asFormula.asVIDAdjustEntries) +
3421                         (vo->asFormula.ucNumOfVoltageEntries * sizeof(VOLTAGE_LUT_ENTRY));
3422         }
3423         return NULL;
3424 }
3425 
3426 static ATOM_VOLTAGE_OBJECT_V3 *atom_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
3427                                                              u8 voltage_type, u8 voltage_mode)
3428 {
3429         u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
3430         u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
3431         u8 *start = (u8*)v3;
3432 
3433         while (offset < size) {
3434                 ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
3435                 if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
3436                     (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
3437                         return vo;
3438                 offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
3439         }
3440         return NULL;
3441 }
3442 
3443 bool
3444 radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
3445                             u8 voltage_type, u8 voltage_mode)
3446 {
3447         int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3448         u8 frev, crev;
3449         u16 data_offset, size;
3450         union voltage_object_info *voltage_info;
3451         union voltage_object *voltage_object = NULL;
3452 
3453         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3454                                    &frev, &crev, &data_offset)) {
3455                 voltage_info = (union voltage_object_info *)
3456                         (rdev->mode_info.atom_context->bios + data_offset);
3457 
3458                 switch (frev) {
3459                 case 1:
3460                 case 2:
3461                         switch (crev) {
3462                         case 1:
3463                                 voltage_object = (union voltage_object *)
3464                                         atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3465                                 if (voltage_object &&
3466                                     (voltage_object->v1.asControl.ucVoltageControlId == VOLTAGE_CONTROLLED_BY_GPIO))
3467                                         return true;
3468                                 break;
3469                         case 2:
3470                                 voltage_object = (union voltage_object *)
3471                                         atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3472                                 if (voltage_object &&
3473                                     (voltage_object->v2.asControl.ucVoltageControlId == VOLTAGE_CONTROLLED_BY_GPIO))
3474                                         return true;
3475                                 break;
3476                         default:
3477                                 DRM_ERROR("unknown voltage object table\n");
3478                                 return false;
3479                         }
3480                         break;
3481                 case 3:
3482                         switch (crev) {
3483                         case 1:
3484                                 if (atom_lookup_voltage_object_v3(&voltage_info->v3,
3485                                                                   voltage_type, voltage_mode))
3486                                         return true;
3487                                 break;
3488                         default:
3489                                 DRM_ERROR("unknown voltage object table\n");
3490                                 return false;
3491                         }
3492                         break;
3493                 default:
3494                         DRM_ERROR("unknown voltage object table\n");
3495                         return false;
3496                 }
3497 
3498         }
3499         return false;
3500 }
3501 
3502 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
3503                               u8 voltage_type,
3504                               u8 *svd_gpio_id, u8 *svc_gpio_id)
3505 {
3506         int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3507         u8 frev, crev;
3508         u16 data_offset, size;
3509         union voltage_object_info *voltage_info;
3510         union voltage_object *voltage_object = NULL;
3511 
3512         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3513                                    &frev, &crev, &data_offset)) {
3514                 voltage_info = (union voltage_object_info *)
3515                         (rdev->mode_info.atom_context->bios + data_offset);
3516 
3517                 switch (frev) {
3518                 case 3:
3519                         switch (crev) {
3520                         case 1:
3521                                 voltage_object = (union voltage_object *)
3522                                         atom_lookup_voltage_object_v3(&voltage_info->v3,
3523                                                                       voltage_type,
3524                                                                       VOLTAGE_OBJ_SVID2);
3525                                 if (voltage_object) {
3526                                         *svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId;
3527                                         *svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId;
3528                                 } else {
3529                                         return -EINVAL;
3530                                 }
3531                                 break;
3532                         default:
3533                                 DRM_ERROR("unknown voltage object table\n");
3534                                 return -EINVAL;
3535                         }
3536                         break;
3537                 default:
3538                         DRM_ERROR("unknown voltage object table\n");
3539                         return -EINVAL;
3540                 }
3541 
3542         }
3543         return 0;
3544 }
3545 
3546 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
3547                                 u8 voltage_type, u16 *max_voltage)
3548 {
3549         int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3550         u8 frev, crev;
3551         u16 data_offset, size;
3552         union voltage_object_info *voltage_info;
3553         union voltage_object *voltage_object = NULL;
3554 
3555         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3556                                    &frev, &crev, &data_offset)) {
3557                 voltage_info = (union voltage_object_info *)
3558                         (rdev->mode_info.atom_context->bios + data_offset);
3559 
3560                 switch (crev) {
3561                 case 1:
3562                         voltage_object = (union voltage_object *)
3563                                 atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3564                         if (voltage_object) {
3565                                 ATOM_VOLTAGE_FORMULA *formula =
3566                                         &voltage_object->v1.asFormula;
3567                                 if (formula->ucFlag & 1)
3568                                         *max_voltage =
3569                                                 le16_to_cpu(formula->usVoltageBaseLevel) +
3570                                                 formula->ucNumOfVoltageEntries / 2 *
3571                                                 le16_to_cpu(formula->usVoltageStep);
3572                                 else
3573                                         *max_voltage =
3574                                                 le16_to_cpu(formula->usVoltageBaseLevel) +
3575                                                 (formula->ucNumOfVoltageEntries - 1) *
3576                                                 le16_to_cpu(formula->usVoltageStep);
3577                                 return 0;
3578                         }
3579                         break;
3580                 case 2:
3581                         voltage_object = (union voltage_object *)
3582                                 atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3583                         if (voltage_object) {
3584                                 ATOM_VOLTAGE_FORMULA_V2 *formula =
3585                                         &voltage_object->v2.asFormula;
3586                                 if (formula->ucNumOfVoltageEntries) {
3587                                         VOLTAGE_LUT_ENTRY *lut = (VOLTAGE_LUT_ENTRY *)
3588                                                 ((u8 *)&formula->asVIDAdjustEntries[0] +
3589                                                  (sizeof(VOLTAGE_LUT_ENTRY) * (formula->ucNumOfVoltageEntries - 1)));
3590                                         *max_voltage =
3591                                                 le16_to_cpu(lut->usVoltageValue);
3592                                         return 0;
3593                                 }
3594                         }
3595                         break;
3596                 default:
3597                         DRM_ERROR("unknown voltage object table\n");
3598                         return -EINVAL;
3599                 }
3600 
3601         }
3602         return -EINVAL;
3603 }
3604 
3605 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
3606                                 u8 voltage_type, u16 *min_voltage)
3607 {
3608         int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3609         u8 frev, crev;
3610         u16 data_offset, size;
3611         union voltage_object_info *voltage_info;
3612         union voltage_object *voltage_object = NULL;
3613 
3614         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3615                                    &frev, &crev, &data_offset)) {
3616                 voltage_info = (union voltage_object_info *)
3617                         (rdev->mode_info.atom_context->bios + data_offset);
3618 
3619                 switch (crev) {
3620                 case 1:
3621                         voltage_object = (union voltage_object *)
3622                                 atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3623                         if (voltage_object) {
3624                                 ATOM_VOLTAGE_FORMULA *formula =
3625                                         &voltage_object->v1.asFormula;
3626                                 *min_voltage =
3627                                         le16_to_cpu(formula->usVoltageBaseLevel);
3628                                 return 0;
3629                         }
3630                         break;
3631                 case 2:
3632                         voltage_object = (union voltage_object *)
3633                                 atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3634                         if (voltage_object) {
3635                                 ATOM_VOLTAGE_FORMULA_V2 *formula =
3636                                         &voltage_object->v2.asFormula;
3637                                 if (formula->ucNumOfVoltageEntries) {
3638                                         *min_voltage =
3639                                                 le16_to_cpu(formula->asVIDAdjustEntries[
3640                                                                     0
3641                                                                     ].usVoltageValue);
3642                                         return 0;
3643                                 }
3644                         }
3645                         break;
3646                 default:
3647                         DRM_ERROR("unknown voltage object table\n");
3648                         return -EINVAL;
3649                 }
3650 
3651         }
3652         return -EINVAL;
3653 }
3654 
3655 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
3656                                  u8 voltage_type, u16 *voltage_step)
3657 {
3658         int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3659         u8 frev, crev;
3660         u16 data_offset, size;
3661         union voltage_object_info *voltage_info;
3662         union voltage_object *voltage_object = NULL;
3663 
3664         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3665                                    &frev, &crev, &data_offset)) {
3666                 voltage_info = (union voltage_object_info *)
3667                         (rdev->mode_info.atom_context->bios + data_offset);
3668 
3669                 switch (crev) {
3670                 case 1:
3671                         voltage_object = (union voltage_object *)
3672                                 atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3673                         if (voltage_object) {
3674                                 ATOM_VOLTAGE_FORMULA *formula =
3675                                         &voltage_object->v1.asFormula;
3676                                 if (formula->ucFlag & 1)
3677                                         *voltage_step =
3678                                                 (le16_to_cpu(formula->usVoltageStep) + 1) / 2;
3679                                 else
3680                                         *voltage_step =
3681                                                 le16_to_cpu(formula->usVoltageStep);
3682                                 return 0;
3683                         }
3684                         break;
3685                 case 2:
3686                         return -EINVAL;
3687                 default:
3688                         DRM_ERROR("unknown voltage object table\n");
3689                         return -EINVAL;
3690                 }
3691 
3692         }
3693         return -EINVAL;
3694 }
3695 
3696 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
3697                                       u8 voltage_type,
3698                                       u16 nominal_voltage,
3699                                       u16 *true_voltage)
3700 {
3701         u16 min_voltage, max_voltage, voltage_step;
3702 
3703         if (radeon_atom_get_max_voltage(rdev, voltage_type, &max_voltage))
3704                 return -EINVAL;
3705         if (radeon_atom_get_min_voltage(rdev, voltage_type, &min_voltage))
3706                 return -EINVAL;
3707         if (radeon_atom_get_voltage_step(rdev, voltage_type, &voltage_step))
3708                 return -EINVAL;
3709 
3710         if (nominal_voltage <= min_voltage)
3711                 *true_voltage = min_voltage;
3712         else if (nominal_voltage >= max_voltage)
3713                 *true_voltage = max_voltage;
3714         else
3715                 *true_voltage = min_voltage +
3716                         ((nominal_voltage - min_voltage) / voltage_step) *
3717                         voltage_step;
3718 
3719         return 0;
3720 }
3721 
3722 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
3723                                   u8 voltage_type, u8 voltage_mode,
3724                                   struct atom_voltage_table *voltage_table)
3725 {
3726         int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3727         u8 frev, crev;
3728         u16 data_offset, size;
3729         int i, ret;
3730         union voltage_object_info *voltage_info;
3731         union voltage_object *voltage_object = NULL;
3732 
3733         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3734                                    &frev, &crev, &data_offset)) {
3735                 voltage_info = (union voltage_object_info *)
3736                         (rdev->mode_info.atom_context->bios + data_offset);
3737 
3738                 switch (frev) {
3739                 case 1:
3740                 case 2:
3741                         switch (crev) {
3742                         case 1:
3743                                 DRM_ERROR("old table version %d, %d\n", frev, crev);
3744                                 return -EINVAL;
3745                         case 2:
3746                                 voltage_object = (union voltage_object *)
3747                                         atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3748                                 if (voltage_object) {
3749                                         ATOM_VOLTAGE_FORMULA_V2 *formula =
3750                                                 &voltage_object->v2.asFormula;
3751                                         VOLTAGE_LUT_ENTRY *lut;
3752                                         if (formula->ucNumOfVoltageEntries > MAX_VOLTAGE_ENTRIES)
3753                                                 return -EINVAL;
3754                                         lut = &formula->asVIDAdjustEntries[0];
3755                                         for (i = 0; i < formula->ucNumOfVoltageEntries; i++) {
3756                                                 voltage_table->entries[i].value =
3757                                                         le16_to_cpu(lut->usVoltageValue);
3758                                                 ret = radeon_atom_get_voltage_gpio_settings(rdev,
3759                                                                                             voltage_table->entries[i].value,
3760                                                                                             voltage_type,
3761                                                                                             &voltage_table->entries[i].smio_low,
3762                                                                                             &voltage_table->mask_low);
3763                                                 if (ret)
3764                                                         return ret;
3765                                                 lut = (VOLTAGE_LUT_ENTRY *)
3766                                                         ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY));
3767                                         }
3768                                         voltage_table->count = formula->ucNumOfVoltageEntries;
3769                                         return 0;
3770                                 }
3771                                 break;
3772                         default:
3773                                 DRM_ERROR("unknown voltage object table\n");
3774                                 return -EINVAL;
3775                         }
3776                         break;
3777                 case 3:
3778                         switch (crev) {
3779                         case 1:
3780                                 voltage_object = (union voltage_object *)
3781                                         atom_lookup_voltage_object_v3(&voltage_info->v3,
3782                                                                       voltage_type, voltage_mode);
3783                                 if (voltage_object) {
3784                                         ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
3785                                                 &voltage_object->v3.asGpioVoltageObj;
3786                                         VOLTAGE_LUT_ENTRY_V2 *lut;
3787                                         if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
3788                                                 return -EINVAL;
3789                                         lut = &gpio->asVolGpioLut[0];
3790                                         for (i = 0; i < gpio->ucGpioEntryNum; i++) {
3791                                                 voltage_table->entries[i].value =
3792                                                         le16_to_cpu(lut->usVoltageValue);
3793                                                 voltage_table->entries[i].smio_low =
3794                                                         le32_to_cpu(lut->ulVoltageId);
3795                                                 lut = (VOLTAGE_LUT_ENTRY_V2 *)
3796                                                         ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
3797                                         }
3798                                         voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
3799                                         voltage_table->count = gpio->ucGpioEntryNum;
3800                                         voltage_table->phase_delay = gpio->ucPhaseDelay;
3801                                         return 0;
3802                                 }
3803                                 break;
3804                         default:
3805                                 DRM_ERROR("unknown voltage object table\n");
3806                                 return -EINVAL;
3807                         }
3808                         break;
3809                 default:
3810                         DRM_ERROR("unknown voltage object table\n");
3811                         return -EINVAL;
3812                 }
3813         }
3814         return -EINVAL;
3815 }
3816 
3817 union vram_info {
3818         struct _ATOM_VRAM_INFO_V3 v1_3;
3819         struct _ATOM_VRAM_INFO_V4 v1_4;
3820         struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
3821 };
3822 
3823 int radeon_atom_get_memory_info(struct radeon_device *rdev,
3824                                 u8 module_index, struct atom_memory_info *mem_info)
3825 {
3826         int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3827         u8 frev, crev, i;
3828         u16 data_offset, size;
3829         union vram_info *vram_info;
3830 
3831         memset(mem_info, 0, sizeof(struct atom_memory_info));
3832 
3833         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3834                                    &frev, &crev, &data_offset)) {
3835                 vram_info = (union vram_info *)
3836                         (rdev->mode_info.atom_context->bios + data_offset);
3837                 switch (frev) {
3838                 case 1:
3839                         switch (crev) {
3840                         case 3:
3841                                 /* r6xx */
3842                                 if (module_index < vram_info->v1_3.ucNumOfVRAMModule) {
3843                                         ATOM_VRAM_MODULE_V3 *vram_module =
3844                                                 (ATOM_VRAM_MODULE_V3 *)vram_info->v1_3.aVramInfo;
3845 
3846                                         for (i = 0; i < module_index; i++) {
3847                                                 if (le16_to_cpu(vram_module->usSize) == 0)
3848                                                         return -EINVAL;
3849                                                 vram_module = (ATOM_VRAM_MODULE_V3 *)
3850                                                         ((u8 *)vram_module + le16_to_cpu(vram_module->usSize));
3851                                         }
3852                                         mem_info->mem_vendor = vram_module->asMemory.ucMemoryVenderID & 0xf;
3853                                         mem_info->mem_type = vram_module->asMemory.ucMemoryType & 0xf0;
3854                                 } else
3855                                         return -EINVAL;
3856                                 break;
3857                         case 4:
3858                                 /* r7xx, evergreen */
3859                                 if (module_index < vram_info->v1_4.ucNumOfVRAMModule) {
3860                                         ATOM_VRAM_MODULE_V4 *vram_module =
3861                                                 (ATOM_VRAM_MODULE_V4 *)vram_info->v1_4.aVramInfo;
3862 
3863                                         for (i = 0; i < module_index; i++) {
3864                                                 if (le16_to_cpu(vram_module->usModuleSize) == 0)
3865                                                         return -EINVAL;
3866                                                 vram_module = (ATOM_VRAM_MODULE_V4 *)
3867                                                         ((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3868                                         }
3869                                         mem_info->mem_vendor = vram_module->ucMemoryVenderID & 0xf;
3870                                         mem_info->mem_type = vram_module->ucMemoryType & 0xf0;
3871                                 } else
3872                                         return -EINVAL;
3873                                 break;
3874                         default:
3875                                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3876                                 return -EINVAL;
3877                         }
3878                         break;
3879                 case 2:
3880                         switch (crev) {
3881                         case 1:
3882                                 /* ni */
3883                                 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
3884                                         ATOM_VRAM_MODULE_V7 *vram_module =
3885                                                 (ATOM_VRAM_MODULE_V7 *)vram_info->v2_1.aVramInfo;
3886 
3887                                         for (i = 0; i < module_index; i++) {
3888                                                 if (le16_to_cpu(vram_module->usModuleSize) == 0)
3889                                                         return -EINVAL;
3890                                                 vram_module = (ATOM_VRAM_MODULE_V7 *)
3891                                                         ((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3892                                         }
3893                                         mem_info->mem_vendor = vram_module->ucMemoryVenderID & 0xf;
3894                                         mem_info->mem_type = vram_module->ucMemoryType & 0xf0;
3895                                 } else
3896                                         return -EINVAL;
3897                                 break;
3898                         default:
3899                                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3900                                 return -EINVAL;
3901                         }
3902                         break;
3903                 default:
3904                         DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3905                         return -EINVAL;
3906                 }
3907                 return 0;
3908         }
3909         return -EINVAL;
3910 }
3911 
3912 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
3913                                      bool gddr5, u8 module_index,
3914                                      struct atom_memory_clock_range_table *mclk_range_table)
3915 {
3916         int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3917         u8 frev, crev, i;
3918         u16 data_offset, size;
3919         union vram_info *vram_info;
3920         u32 mem_timing_size = gddr5 ?
3921                 sizeof(ATOM_MEMORY_TIMING_FORMAT_V2) : sizeof(ATOM_MEMORY_TIMING_FORMAT);
3922 
3923         memset(mclk_range_table, 0, sizeof(struct atom_memory_clock_range_table));
3924 
3925         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3926                                    &frev, &crev, &data_offset)) {
3927                 vram_info = (union vram_info *)
3928                         (rdev->mode_info.atom_context->bios + data_offset);
3929                 switch (frev) {
3930                 case 1:
3931                         switch (crev) {
3932                         case 3:
3933                                 DRM_ERROR("old table version %d, %d\n", frev, crev);
3934                                 return -EINVAL;
3935                         case 4:
3936                                 /* r7xx, evergreen */
3937                                 if (module_index < vram_info->v1_4.ucNumOfVRAMModule) {
3938                                         ATOM_VRAM_MODULE_V4 *vram_module =
3939                                                 (ATOM_VRAM_MODULE_V4 *)vram_info->v1_4.aVramInfo;
3940                                         ATOM_MEMORY_TIMING_FORMAT *format;
3941 
3942                                         for (i = 0; i < module_index; i++) {
3943                                                 if (le16_to_cpu(vram_module->usModuleSize) == 0)
3944                                                         return -EINVAL;
3945                                                 vram_module = (ATOM_VRAM_MODULE_V4 *)
3946                                                         ((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3947                                         }
3948                                         mclk_range_table->num_entries = (u8)
3949                                                 ((le16_to_cpu(vram_module->usModuleSize) - offsetof(ATOM_VRAM_MODULE_V4, asMemTiming)) /
3950                                                  mem_timing_size);
3951                                         format = &vram_module->asMemTiming[0];
3952                                         for (i = 0; i < mclk_range_table->num_entries; i++) {
3953                                                 mclk_range_table->mclk[i] = le32_to_cpu(format->ulClkRange);
3954                                                 format = (ATOM_MEMORY_TIMING_FORMAT *)
3955                                                         ((u8 *)format + mem_timing_size);
3956                                         }
3957                                 } else
3958                                         return -EINVAL;
3959                                 break;
3960                         default:
3961                                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3962                                 return -EINVAL;
3963                         }
3964                         break;
3965                 case 2:
3966                         DRM_ERROR("new table version %d, %d\n", frev, crev);
3967                         return -EINVAL;
3968                 default:
3969                         DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3970                         return -EINVAL;
3971                 }
3972                 return 0;
3973         }
3974         return -EINVAL;
3975 }
3976 
3977 #define MEM_ID_MASK           0xff000000
3978 #define MEM_ID_SHIFT          24
3979 #define CLOCK_RANGE_MASK      0x00ffffff
3980 #define CLOCK_RANGE_SHIFT     0
3981 #define LOW_NIBBLE_MASK       0xf
3982 #define DATA_EQU_PREV         0
3983 #define DATA_FROM_TABLE       4
3984 
3985 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
3986                                   u8 module_index,
3987                                   struct atom_mc_reg_table *reg_table)
3988 {
3989         int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3990         u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
3991         u32 i = 0, j;
3992         u16 data_offset, size;
3993         union vram_info *vram_info;
3994 
3995         memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
3996 
3997         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3998                                    &frev, &crev, &data_offset)) {
3999                 vram_info = (union vram_info *)
4000                         (rdev->mode_info.atom_context->bios + data_offset);
4001                 switch (frev) {
4002                 case 1:
4003                         DRM_ERROR("old table version %d, %d\n", frev, crev);
4004                         return -EINVAL;
4005                 case 2:
4006                         switch (crev) {
4007                         case 1:
4008                                 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
4009                                         ATOM_INIT_REG_BLOCK *reg_block =
4010                                                 (ATOM_INIT_REG_BLOCK *)
4011                                                 ((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
4012                                         ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
4013                                                 (ATOM_MEMORY_SETTING_DATA_BLOCK *)
4014                                                 ((u8 *)reg_block + (2 * sizeof(u16)) +
4015                                                  le16_to_cpu(reg_block->usRegIndexTblSize));
4016                                         ATOM_INIT_REG_INDEX_FORMAT *format = &reg_block->asRegIndexBuf[0];
4017                                         num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
4018                                                            sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
4019                                         if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
4020                                                 return -EINVAL;
4021                                         while (i < num_entries) {
4022                                                 if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
4023                                                         break;
4024                                                 reg_table->mc_reg_address[i].s1 =
4025                                                         (u16)(le16_to_cpu(format->usRegIndex));
4026                                                 reg_table->mc_reg_address[i].pre_reg_data =
4027                                                         (u8)(format->ucPreRegDataLength);
4028                                                 i++;
4029                                                 format = (ATOM_INIT_REG_INDEX_FORMAT *)
4030                                                         ((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
4031                                         }
4032                                         reg_table->last = i;
4033                                         while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
4034                                                (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
4035                                                 t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
4036                                                                 >> MEM_ID_SHIFT);
4037                                                 if (module_index == t_mem_id) {
4038                                                         reg_table->mc_reg_table_entry[num_ranges].mclk_max =
4039                                                                 (u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
4040                                                                       >> CLOCK_RANGE_SHIFT);
4041                                                         for (i = 0, j = 1; i < reg_table->last; i++) {
4042                                                                 if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
4043                                                                         reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
4044                                                                                 (u32)le32_to_cpu(*((u32 *)reg_data + j));
4045                                                                         j++;
4046                                                                 } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
4047                                                                         reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
4048                                                                                 reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
4049                                                                 }
4050                                                         }
4051                                                         num_ranges++;
4052                                                 }
4053                                                 reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
4054                                                         ((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
4055                                         }
4056                                         if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
4057                                                 return -EINVAL;
4058                                         reg_table->num_entries = num_ranges;
4059                                 } else
4060                                         return -EINVAL;
4061                                 break;
4062                         default:
4063                                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
4064                                 return -EINVAL;
4065                         }
4066                         break;
4067                 default:
4068                         DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
4069                         return -EINVAL;
4070                 }
4071                 return 0;
4072         }
4073         return -EINVAL;
4074 }
4075 
4076 void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
4077 {
4078         struct radeon_device *rdev = dev->dev_private;
4079         uint32_t bios_2_scratch, bios_6_scratch;
4080 
4081         if (rdev->family >= CHIP_R600) {
4082                 bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
4083                 bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4084         } else {
4085                 bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
4086                 bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4087         }
4088 
4089         /* let the bios control the backlight */
4090         bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
4091 
4092         /* tell the bios not to handle mode switching */
4093         bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
4094 
4095         /* clear the vbios dpms state */
4096         if (ASIC_IS_DCE4(rdev))
4097                 bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
4098 
4099         if (rdev->family >= CHIP_R600) {
4100                 WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
4101                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4102         } else {
4103                 WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
4104                 WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4105         }
4106 
4107 }
4108 
4109 void radeon_save_bios_scratch_regs(struct radeon_device *rdev)
4110 {
4111         uint32_t scratch_reg;
4112         int i;
4113 
4114         if (rdev->family >= CHIP_R600)
4115                 scratch_reg = R600_BIOS_0_SCRATCH;
4116         else
4117                 scratch_reg = RADEON_BIOS_0_SCRATCH;
4118 
4119         for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
4120                 rdev->bios_scratch[i] = RREG32(scratch_reg + (i * 4));
4121 }
4122 
4123 void radeon_restore_bios_scratch_regs(struct radeon_device *rdev)
4124 {
4125         uint32_t scratch_reg;
4126         int i;
4127 
4128         if (rdev->family >= CHIP_R600)
4129                 scratch_reg = R600_BIOS_0_SCRATCH;
4130         else
4131                 scratch_reg = RADEON_BIOS_0_SCRATCH;
4132 
4133         for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
4134                 WREG32(scratch_reg + (i * 4), rdev->bios_scratch[i]);
4135 }
4136 
4137 void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock)
4138 {
4139         struct drm_device *dev = encoder->dev;
4140         struct radeon_device *rdev = dev->dev_private;
4141         uint32_t bios_6_scratch;
4142 
4143         if (rdev->family >= CHIP_R600)
4144                 bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4145         else
4146                 bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4147 
4148         if (lock) {
4149                 bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
4150                 bios_6_scratch &= ~ATOM_S6_ACC_MODE;
4151         } else {
4152                 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
4153                 bios_6_scratch |= ATOM_S6_ACC_MODE;
4154         }
4155 
4156         if (rdev->family >= CHIP_R600)
4157                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4158         else
4159                 WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4160 }
4161 
4162 /* at some point we may want to break this out into individual functions */
4163 void
4164 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
4165                                        struct drm_encoder *encoder,
4166                                        bool connected)
4167 {
4168         struct drm_device *dev = connector->dev;
4169         struct radeon_device *rdev = dev->dev_private;
4170         struct radeon_connector *radeon_connector =
4171             to_radeon_connector(connector);
4172         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4173         uint32_t bios_0_scratch, bios_3_scratch, bios_6_scratch;
4174 
4175         if (rdev->family >= CHIP_R600) {
4176                 bios_0_scratch = RREG32(R600_BIOS_0_SCRATCH);
4177                 bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
4178                 bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4179         } else {
4180                 bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
4181                 bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
4182                 bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4183         }
4184 
4185         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
4186             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
4187                 if (connected) {
4188                         DRM_DEBUG_KMS("TV1 connected\n");
4189                         bios_3_scratch |= ATOM_S3_TV1_ACTIVE;
4190                         bios_6_scratch |= ATOM_S6_ACC_REQ_TV1;
4191                 } else {
4192                         DRM_DEBUG_KMS("TV1 disconnected\n");
4193                         bios_0_scratch &= ~ATOM_S0_TV1_MASK;
4194                         bios_3_scratch &= ~ATOM_S3_TV1_ACTIVE;
4195                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_TV1;
4196                 }
4197         }
4198         if ((radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) &&
4199             (radeon_connector->devices & ATOM_DEVICE_CV_SUPPORT)) {
4200                 if (connected) {
4201                         DRM_DEBUG_KMS("CV connected\n");
4202                         bios_3_scratch |= ATOM_S3_CV_ACTIVE;
4203                         bios_6_scratch |= ATOM_S6_ACC_REQ_CV;
4204                 } else {
4205                         DRM_DEBUG_KMS("CV disconnected\n");
4206                         bios_0_scratch &= ~ATOM_S0_CV_MASK;
4207                         bios_3_scratch &= ~ATOM_S3_CV_ACTIVE;
4208                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_CV;
4209                 }
4210         }
4211         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
4212             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
4213                 if (connected) {
4214                         DRM_DEBUG_KMS("LCD1 connected\n");
4215                         bios_0_scratch |= ATOM_S0_LCD1;
4216                         bios_3_scratch |= ATOM_S3_LCD1_ACTIVE;
4217                         bios_6_scratch |= ATOM_S6_ACC_REQ_LCD1;
4218                 } else {
4219                         DRM_DEBUG_KMS("LCD1 disconnected\n");
4220                         bios_0_scratch &= ~ATOM_S0_LCD1;
4221                         bios_3_scratch &= ~ATOM_S3_LCD1_ACTIVE;
4222                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_LCD1;
4223                 }
4224         }
4225         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
4226             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
4227                 if (connected) {
4228                         DRM_DEBUG_KMS("CRT1 connected\n");
4229                         bios_0_scratch |= ATOM_S0_CRT1_COLOR;
4230                         bios_3_scratch |= ATOM_S3_CRT1_ACTIVE;
4231                         bios_6_scratch |= ATOM_S6_ACC_REQ_CRT1;
4232                 } else {
4233                         DRM_DEBUG_KMS("CRT1 disconnected\n");
4234                         bios_0_scratch &= ~ATOM_S0_CRT1_MASK;
4235                         bios_3_scratch &= ~ATOM_S3_CRT1_ACTIVE;
4236                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT1;
4237                 }
4238         }
4239         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
4240             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
4241                 if (connected) {
4242                         DRM_DEBUG_KMS("CRT2 connected\n");
4243                         bios_0_scratch |= ATOM_S0_CRT2_COLOR;
4244                         bios_3_scratch |= ATOM_S3_CRT2_ACTIVE;
4245                         bios_6_scratch |= ATOM_S6_ACC_REQ_CRT2;
4246                 } else {
4247                         DRM_DEBUG_KMS("CRT2 disconnected\n");
4248                         bios_0_scratch &= ~ATOM_S0_CRT2_MASK;
4249                         bios_3_scratch &= ~ATOM_S3_CRT2_ACTIVE;
4250                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT2;
4251                 }
4252         }
4253         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
4254             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
4255                 if (connected) {
4256                         DRM_DEBUG_KMS("DFP1 connected\n");
4257                         bios_0_scratch |= ATOM_S0_DFP1;
4258                         bios_3_scratch |= ATOM_S3_DFP1_ACTIVE;
4259                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP1;
4260                 } else {
4261                         DRM_DEBUG_KMS("DFP1 disconnected\n");
4262                         bios_0_scratch &= ~ATOM_S0_DFP1;
4263                         bios_3_scratch &= ~ATOM_S3_DFP1_ACTIVE;
4264                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP1;
4265                 }
4266         }
4267         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
4268             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
4269                 if (connected) {
4270                         DRM_DEBUG_KMS("DFP2 connected\n");
4271                         bios_0_scratch |= ATOM_S0_DFP2;
4272                         bios_3_scratch |= ATOM_S3_DFP2_ACTIVE;
4273                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP2;
4274                 } else {
4275                         DRM_DEBUG_KMS("DFP2 disconnected\n");
4276                         bios_0_scratch &= ~ATOM_S0_DFP2;
4277                         bios_3_scratch &= ~ATOM_S3_DFP2_ACTIVE;
4278                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP2;
4279                 }
4280         }
4281         if ((radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) &&
4282             (radeon_connector->devices & ATOM_DEVICE_DFP3_SUPPORT)) {
4283                 if (connected) {
4284                         DRM_DEBUG_KMS("DFP3 connected\n");
4285                         bios_0_scratch |= ATOM_S0_DFP3;
4286                         bios_3_scratch |= ATOM_S3_DFP3_ACTIVE;
4287                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP3;
4288                 } else {
4289                         DRM_DEBUG_KMS("DFP3 disconnected\n");
4290                         bios_0_scratch &= ~ATOM_S0_DFP3;
4291                         bios_3_scratch &= ~ATOM_S3_DFP3_ACTIVE;
4292                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP3;
4293                 }
4294         }
4295         if ((radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) &&
4296             (radeon_connector->devices & ATOM_DEVICE_DFP4_SUPPORT)) {
4297                 if (connected) {
4298                         DRM_DEBUG_KMS("DFP4 connected\n");
4299                         bios_0_scratch |= ATOM_S0_DFP4;
4300                         bios_3_scratch |= ATOM_S3_DFP4_ACTIVE;
4301                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP4;
4302                 } else {
4303                         DRM_DEBUG_KMS("DFP4 disconnected\n");
4304                         bios_0_scratch &= ~ATOM_S0_DFP4;
4305                         bios_3_scratch &= ~ATOM_S3_DFP4_ACTIVE;
4306                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP4;
4307                 }
4308         }
4309         if ((radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) &&
4310             (radeon_connector->devices & ATOM_DEVICE_DFP5_SUPPORT)) {
4311                 if (connected) {
4312                         DRM_DEBUG_KMS("DFP5 connected\n");
4313                         bios_0_scratch |= ATOM_S0_DFP5;
4314                         bios_3_scratch |= ATOM_S3_DFP5_ACTIVE;
4315                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP5;
4316                 } else {
4317                         DRM_DEBUG_KMS("DFP5 disconnected\n");
4318                         bios_0_scratch &= ~ATOM_S0_DFP5;
4319                         bios_3_scratch &= ~ATOM_S3_DFP5_ACTIVE;
4320                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
4321                 }
4322         }
4323         if ((radeon_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) &&
4324             (radeon_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) {
4325                 if (connected) {
4326                         DRM_DEBUG_KMS("DFP6 connected\n");
4327                         bios_0_scratch |= ATOM_S0_DFP6;
4328                         bios_3_scratch |= ATOM_S3_DFP6_ACTIVE;
4329                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6;
4330                 } else {
4331                         DRM_DEBUG_KMS("DFP6 disconnected\n");
4332                         bios_0_scratch &= ~ATOM_S0_DFP6;
4333                         bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE;
4334                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6;
4335                 }
4336         }
4337 
4338         if (rdev->family >= CHIP_R600) {
4339                 WREG32(R600_BIOS_0_SCRATCH, bios_0_scratch);
4340                 WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
4341                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4342         } else {
4343                 WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
4344                 WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
4345                 WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4346         }
4347 }
4348 
4349 void
4350 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
4351 {
4352         struct drm_device *dev = encoder->dev;
4353         struct radeon_device *rdev = dev->dev_private;
4354         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4355         uint32_t bios_3_scratch;
4356 
4357         if (ASIC_IS_DCE4(rdev))
4358                 return;
4359 
4360         if (rdev->family >= CHIP_R600)
4361                 bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
4362         else
4363                 bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
4364 
4365         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
4366                 bios_3_scratch &= ~ATOM_S3_TV1_CRTC_ACTIVE;
4367                 bios_3_scratch |= (crtc << 18);
4368         }
4369         if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
4370                 bios_3_scratch &= ~ATOM_S3_CV_CRTC_ACTIVE;
4371                 bios_3_scratch |= (crtc << 24);
4372         }
4373         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
4374                 bios_3_scratch &= ~ATOM_S3_CRT1_CRTC_ACTIVE;
4375                 bios_3_scratch |= (crtc << 16);
4376         }
4377         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
4378                 bios_3_scratch &= ~ATOM_S3_CRT2_CRTC_ACTIVE;
4379                 bios_3_scratch |= (crtc << 20);
4380         }
4381         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
4382                 bios_3_scratch &= ~ATOM_S3_LCD1_CRTC_ACTIVE;
4383                 bios_3_scratch |= (crtc << 17);
4384         }
4385         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
4386                 bios_3_scratch &= ~ATOM_S3_DFP1_CRTC_ACTIVE;
4387                 bios_3_scratch |= (crtc << 19);
4388         }
4389         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
4390                 bios_3_scratch &= ~ATOM_S3_DFP2_CRTC_ACTIVE;
4391                 bios_3_scratch |= (crtc << 23);
4392         }
4393         if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
4394                 bios_3_scratch &= ~ATOM_S3_DFP3_CRTC_ACTIVE;
4395                 bios_3_scratch |= (crtc << 25);
4396         }
4397 
4398         if (rdev->family >= CHIP_R600)
4399                 WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
4400         else
4401                 WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
4402 }
4403 
4404 void
4405 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
4406 {
4407         struct drm_device *dev = encoder->dev;
4408         struct radeon_device *rdev = dev->dev_private;
4409         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4410         uint32_t bios_2_scratch;
4411 
4412         if (ASIC_IS_DCE4(rdev))
4413                 return;
4414 
4415         if (rdev->family >= CHIP_R600)
4416                 bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
4417         else
4418                 bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
4419 
4420         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
4421                 if (on)
4422                         bios_2_scratch &= ~ATOM_S2_TV1_DPMS_STATE;
4423                 else
4424                         bios_2_scratch |= ATOM_S2_TV1_DPMS_STATE;
4425         }
4426         if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
4427                 if (on)
4428                         bios_2_scratch &= ~ATOM_S2_CV_DPMS_STATE;
4429                 else
4430                         bios_2_scratch |= ATOM_S2_CV_DPMS_STATE;
4431         }
4432         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
4433                 if (on)
4434                         bios_2_scratch &= ~ATOM_S2_CRT1_DPMS_STATE;
4435                 else
4436                         bios_2_scratch |= ATOM_S2_CRT1_DPMS_STATE;
4437         }
4438         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
4439                 if (on)
4440                         bios_2_scratch &= ~ATOM_S2_CRT2_DPMS_STATE;
4441                 else
4442                         bios_2_scratch |= ATOM_S2_CRT2_DPMS_STATE;
4443         }
4444         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
4445                 if (on)
4446                         bios_2_scratch &= ~ATOM_S2_LCD1_DPMS_STATE;
4447                 else
4448                         bios_2_scratch |= ATOM_S2_LCD1_DPMS_STATE;
4449         }
4450         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
4451                 if (on)
4452                         bios_2_scratch &= ~ATOM_S2_DFP1_DPMS_STATE;
4453                 else
4454                         bios_2_scratch |= ATOM_S2_DFP1_DPMS_STATE;
4455         }
4456         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
4457                 if (on)
4458                         bios_2_scratch &= ~ATOM_S2_DFP2_DPMS_STATE;
4459                 else
4460                         bios_2_scratch |= ATOM_S2_DFP2_DPMS_STATE;
4461         }
4462         if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
4463                 if (on)
4464                         bios_2_scratch &= ~ATOM_S2_DFP3_DPMS_STATE;
4465                 else
4466                         bios_2_scratch |= ATOM_S2_DFP3_DPMS_STATE;
4467         }
4468         if (radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) {
4469                 if (on)
4470                         bios_2_scratch &= ~ATOM_S2_DFP4_DPMS_STATE;
4471                 else
4472                         bios_2_scratch |= ATOM_S2_DFP4_DPMS_STATE;
4473         }
4474         if (radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) {
4475                 if (on)
4476                         bios_2_scratch &= ~ATOM_S2_DFP5_DPMS_STATE;
4477                 else
4478                         bios_2_scratch |= ATOM_S2_DFP5_DPMS_STATE;
4479         }
4480 
4481         if (rdev->family >= CHIP_R600)
4482                 WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
4483         else
4484                 WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
4485 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/gpu/drm/radeon/radeon_atombios.c

DEFINITIONS
