1/* 2 * Copyright (C) 2009 Francisco Jerez. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27#ifndef __DRM_I2C_CH7006_PRIV_H__ 28#define __DRM_I2C_CH7006_PRIV_H__ 29 30#include <drm/drmP.h> 31#include <drm/drm_crtc_helper.h> 32#include <drm/drm_encoder_slave.h> 33#include <drm/i2c/ch7006.h> 34 35typedef int64_t fixed; 36#define fixed1 (1LL << 32) 37 38enum ch7006_tv_norm { 39 TV_NORM_PAL, 40 TV_NORM_PAL_M, 41 TV_NORM_PAL_N, 42 TV_NORM_PAL_NC, 43 TV_NORM_PAL_60, 44 TV_NORM_NTSC_M, 45 TV_NORM_NTSC_J, 46 NUM_TV_NORMS 47}; 48 49struct ch7006_tv_norm_info { 50 fixed vrefresh; 51 int vdisplay; 52 int vtotal; 53 int hvirtual; 54 55 fixed subc_freq; 56 fixed black_level; 57 58 uint32_t dispmode; 59 int voffset; 60}; 61 62struct ch7006_mode { 63 struct drm_display_mode mode; 64 65 int enc_hdisp; 66 int enc_vdisp; 67 68 fixed subc_coeff; 69 uint32_t dispmode; 70 71 uint32_t valid_scales; 72 uint32_t valid_norms; 73}; 74 75struct ch7006_state { 76 uint8_t regs[0x26]; 77}; 78 79struct ch7006_priv { 80 struct ch7006_encoder_params params; 81 struct ch7006_mode *mode; 82 83 struct ch7006_state state; 84 struct ch7006_state saved_state; 85 86 struct drm_property *scale_property; 87 88 int select_subconnector; 89 int subconnector; 90 int hmargin; 91 int vmargin; 92 enum ch7006_tv_norm norm; 93 int brightness; 94 int contrast; 95 int flicker; 96 int scale; 97 98 int chip_version; 99 int last_dpms; 100}; 101 102#define to_ch7006_priv(x) \ 103 ((struct ch7006_priv *)to_encoder_slave(x)->slave_priv) 104 105extern int ch7006_debug; 106extern char *ch7006_tv_norm; 107extern int ch7006_scale; 108 109extern char *ch7006_tv_norm_names[]; 110extern struct ch7006_tv_norm_info ch7006_tv_norms[]; 111extern struct ch7006_mode ch7006_modes[]; 112 113struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder, 114 const struct drm_display_mode *drm_mode); 115 116void ch7006_setup_levels(struct drm_encoder *encoder); 117void ch7006_setup_subcarrier(struct drm_encoder *encoder); 118void ch7006_setup_pll(struct drm_encoder *encoder); 119void ch7006_setup_power_state(struct drm_encoder *encoder); 120void ch7006_setup_properties(struct drm_encoder *encoder); 121 122void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val); 123uint8_t ch7006_read(struct i2c_client *client, uint8_t addr); 124 125void ch7006_state_load(struct i2c_client *client, 126 struct ch7006_state *state); 127void ch7006_state_save(struct i2c_client *client, 128 struct ch7006_state *state); 129 130/* Some helper macros */ 131 132#define ch7006_dbg(client, format, ...) do { \ 133 if (ch7006_debug) \ 134 dev_printk(KERN_DEBUG, &client->dev, \ 135 "%s: " format, __func__, ## __VA_ARGS__); \ 136 } while (0) 137#define ch7006_info(client, format, ...) \ 138 dev_info(&client->dev, format, __VA_ARGS__) 139#define ch7006_err(client, format, ...) \ 140 dev_err(&client->dev, format, __VA_ARGS__) 141 142#define __mask(src, bitfield) \ 143 (((2 << (1 ? bitfield)) - 1) & ~((1 << (0 ? bitfield)) - 1)) 144#define mask(bitfield) __mask(bitfield) 145 146#define __bitf(src, bitfield, x) \ 147 (((x) >> (src) << (0 ? bitfield)) & __mask(src, bitfield)) 148#define bitf(bitfield, x) __bitf(bitfield, x) 149#define bitfs(bitfield, s) __bitf(bitfield, bitfield##_##s) 150#define setbitf(state, reg, bitfield, x) \ 151 state->regs[reg] = (state->regs[reg] & ~mask(reg##_##bitfield)) \ 152 | bitf(reg##_##bitfield, x) 153 154#define __unbitf(src, bitfield, x) \ 155 ((x & __mask(src, bitfield)) >> (0 ? bitfield) << (src)) 156#define unbitf(bitfield, x) __unbitf(bitfield, x) 157 158static inline int interpolate(int y0, int y1, int y2, int x) 159{ 160 return y1 + (x < 50 ? y1 - y0 : y2 - y1) * (x - 50) / 50; 161} 162 163static inline int32_t round_fixed(fixed x) 164{ 165 return (x + fixed1/2) >> 32; 166} 167 168#define ch7006_load_reg(client, state, reg) ch7006_write(client, reg, state->regs[reg]) 169#define ch7006_save_reg(client, state, reg) state->regs[reg] = ch7006_read(client, reg) 170 171/* Fixed hardware specs */ 172 173#define CH7006_FREQ0 14318 174#define CH7006_MAXN 650 175#define CH7006_MAXM 315 176 177/* Register definitions */ 178 179#define CH7006_DISPMODE 0x00 180#define CH7006_DISPMODE_INPUT_RES 0, 7:5 181#define CH7006_DISPMODE_INPUT_RES_512x384 0x0 182#define CH7006_DISPMODE_INPUT_RES_720x400 0x1 183#define CH7006_DISPMODE_INPUT_RES_640x400 0x2 184#define CH7006_DISPMODE_INPUT_RES_640x480 0x3 185#define CH7006_DISPMODE_INPUT_RES_800x600 0x4 186#define CH7006_DISPMODE_INPUT_RES_NATIVE 0x5 187#define CH7006_DISPMODE_OUTPUT_STD 0, 4:3 188#define CH7006_DISPMODE_OUTPUT_STD_PAL 0x0 189#define CH7006_DISPMODE_OUTPUT_STD_NTSC 0x1 190#define CH7006_DISPMODE_OUTPUT_STD_PAL_M 0x2 191#define CH7006_DISPMODE_OUTPUT_STD_NTSC_J 0x3 192#define CH7006_DISPMODE_SCALING_RATIO 0, 2:0 193#define CH7006_DISPMODE_SCALING_RATIO_5_4 0x0 194#define CH7006_DISPMODE_SCALING_RATIO_1_1 0x1 195#define CH7006_DISPMODE_SCALING_RATIO_7_8 0x2 196#define CH7006_DISPMODE_SCALING_RATIO_5_6 0x3 197#define CH7006_DISPMODE_SCALING_RATIO_3_4 0x4 198#define CH7006_DISPMODE_SCALING_RATIO_7_10 0x5 199 200#define CH7006_FFILTER 0x01 201#define CH7006_FFILTER_TEXT 0, 5:4 202#define CH7006_FFILTER_LUMA 0, 3:2 203#define CH7006_FFILTER_CHROMA 0, 1:0 204#define CH7006_FFILTER_CHROMA_NO_DCRAWL 0x3 205 206#define CH7006_BWIDTH 0x03 207#define CH7006_BWIDTH_5L_FFILER (1 << 7) 208#define CH7006_BWIDTH_CVBS_NO_CHROMA (1 << 6) 209#define CH7006_BWIDTH_CHROMA 0, 5:4 210#define CH7006_BWIDTH_SVIDEO_YPEAK (1 << 3) 211#define CH7006_BWIDTH_SVIDEO_LUMA 0, 2:1 212#define CH7006_BWIDTH_CVBS_LUMA 0, 0:0 213 214#define CH7006_INPUT_FORMAT 0x04 215#define CH7006_INPUT_FORMAT_DAC_GAIN (1 << 6) 216#define CH7006_INPUT_FORMAT_RGB_PASS_THROUGH (1 << 5) 217#define CH7006_INPUT_FORMAT_FORMAT 0, 3:0 218#define CH7006_INPUT_FORMAT_FORMAT_RGB16 0x0 219#define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m16 0x1 220#define CH7006_INPUT_FORMAT_FORMAT_RGB24m16 0x2 221#define CH7006_INPUT_FORMAT_FORMAT_RGB15 0x3 222#define CH7006_INPUT_FORMAT_FORMAT_RGB24m12C 0x4 223#define CH7006_INPUT_FORMAT_FORMAT_RGB24m12I 0x5 224#define CH7006_INPUT_FORMAT_FORMAT_RGB24m8 0x6 225#define CH7006_INPUT_FORMAT_FORMAT_RGB16m8 0x7 226#define CH7006_INPUT_FORMAT_FORMAT_RGB15m8 0x8 227#define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m8 0x9 228 229#define CH7006_CLKMODE 0x06 230#define CH7006_CLKMODE_SUBC_LOCK (1 << 7) 231#define CH7006_CLKMODE_MASTER (1 << 6) 232#define CH7006_CLKMODE_POS_EDGE (1 << 4) 233#define CH7006_CLKMODE_XCM 0, 3:2 234#define CH7006_CLKMODE_PCM 0, 1:0 235 236#define CH7006_START_ACTIVE 0x07 237#define CH7006_START_ACTIVE_0 0, 7:0 238 239#define CH7006_POV 0x08 240#define CH7006_POV_START_ACTIVE_8 8, 2:2 241#define CH7006_POV_HPOS_8 8, 1:1 242#define CH7006_POV_VPOS_8 8, 0:0 243 244#define CH7006_BLACK_LEVEL 0x09 245#define CH7006_BLACK_LEVEL_0 0, 7:0 246 247#define CH7006_HPOS 0x0a 248#define CH7006_HPOS_0 0, 7:0 249 250#define CH7006_VPOS 0x0b 251#define CH7006_VPOS_0 0, 7:0 252 253#define CH7006_INPUT_SYNC 0x0d 254#define CH7006_INPUT_SYNC_EMBEDDED (1 << 3) 255#define CH7006_INPUT_SYNC_OUTPUT (1 << 2) 256#define CH7006_INPUT_SYNC_PVSYNC (1 << 1) 257#define CH7006_INPUT_SYNC_PHSYNC (1 << 0) 258 259#define CH7006_POWER 0x0e 260#define CH7006_POWER_SCART (1 << 4) 261#define CH7006_POWER_RESET (1 << 3) 262#define CH7006_POWER_LEVEL 0, 2:0 263#define CH7006_POWER_LEVEL_CVBS_OFF 0x0 264#define CH7006_POWER_LEVEL_POWER_OFF 0x1 265#define CH7006_POWER_LEVEL_SVIDEO_OFF 0x2 266#define CH7006_POWER_LEVEL_NORMAL 0x3 267#define CH7006_POWER_LEVEL_FULL_POWER_OFF 0x4 268 269#define CH7006_DETECT 0x10 270#define CH7006_DETECT_SVIDEO_Y_TEST (1 << 3) 271#define CH7006_DETECT_SVIDEO_C_TEST (1 << 2) 272#define CH7006_DETECT_CVBS_TEST (1 << 1) 273#define CH7006_DETECT_SENSE (1 << 0) 274 275#define CH7006_CONTRAST 0x11 276#define CH7006_CONTRAST_0 0, 2:0 277 278#define CH7006_PLLOV 0x13 279#define CH7006_PLLOV_N_8 8, 2:1 280#define CH7006_PLLOV_M_8 8, 0:0 281 282#define CH7006_PLLM 0x14 283#define CH7006_PLLM_0 0, 7:0 284 285#define CH7006_PLLN 0x15 286#define CH7006_PLLN_0 0, 7:0 287 288#define CH7006_BCLKOUT 0x17 289 290#define CH7006_SUBC_INC0 0x18 291#define CH7006_SUBC_INC0_28 28, 3:0 292 293#define CH7006_SUBC_INC1 0x19 294#define CH7006_SUBC_INC1_24 24, 3:0 295 296#define CH7006_SUBC_INC2 0x1a 297#define CH7006_SUBC_INC2_20 20, 3:0 298 299#define CH7006_SUBC_INC3 0x1b 300#define CH7006_SUBC_INC3_GPIO1_VAL (1 << 7) 301#define CH7006_SUBC_INC3_GPIO0_VAL (1 << 6) 302#define CH7006_SUBC_INC3_POUT_3_3V (1 << 5) 303#define CH7006_SUBC_INC3_POUT_INV (1 << 4) 304#define CH7006_SUBC_INC3_16 16, 3:0 305 306#define CH7006_SUBC_INC4 0x1c 307#define CH7006_SUBC_INC4_GPIO1_IN (1 << 7) 308#define CH7006_SUBC_INC4_GPIO0_IN (1 << 6) 309#define CH7006_SUBC_INC4_DS_INPUT (1 << 4) 310#define CH7006_SUBC_INC4_12 12, 3:0 311 312#define CH7006_SUBC_INC5 0x1d 313#define CH7006_SUBC_INC5_8 8, 3:0 314 315#define CH7006_SUBC_INC6 0x1e 316#define CH7006_SUBC_INC6_4 4, 3:0 317 318#define CH7006_SUBC_INC7 0x1f 319#define CH7006_SUBC_INC7_0 0, 3:0 320 321#define CH7006_PLL_CONTROL 0x20 322#define CH7006_PLL_CONTROL_CPI (1 << 5) 323#define CH7006_PLL_CONTROL_CAPACITOR (1 << 4) 324#define CH7006_PLL_CONTROL_7STAGES (1 << 3) 325#define CH7006_PLL_CONTROL_DIGITAL_5V (1 << 2) 326#define CH7006_PLL_CONTROL_ANALOG_5V (1 << 1) 327#define CH7006_PLL_CONTROL_MEMORY_5V (1 << 0) 328 329#define CH7006_CALC_SUBC_INC0 0x21 330#define CH7006_CALC_SUBC_INC0_24 24, 4:3 331#define CH7006_CALC_SUBC_INC0_HYST 0, 2:1 332#define CH7006_CALC_SUBC_INC0_AUTO (1 << 0) 333 334#define CH7006_CALC_SUBC_INC1 0x22 335#define CH7006_CALC_SUBC_INC1_16 16, 7:0 336 337#define CH7006_CALC_SUBC_INC2 0x23 338#define CH7006_CALC_SUBC_INC2_8 8, 7:0 339 340#define CH7006_CALC_SUBC_INC3 0x24 341#define CH7006_CALC_SUBC_INC3_0 0, 7:0 342 343#define CH7006_VERSION_ID 0x25 344 345#endif 346