drivers/gpu/drm/gma500/psb_intel

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This source file includes following definitions.
psb_intel_mode_set_pixel_multiplier
psb_intel_mode_get_pixel_multiplier
gma_attached_encoder
   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2009-2011, Intel Corporation.
   4  */
   5 
   6 #ifndef __INTEL_DRV_H__
   7 #define __INTEL_DRV_H__
   8 
   9 #include <linux/i2c.h>
  10 #include <linux/i2c-algo-bit.h>
  11 #include <drm/drm_crtc.h>
  12 #include <drm/drm_crtc_helper.h>
  13 #include <drm/drm_encoder.h>
  14 #include <drm/drm_probe_helper.h>
  15 #include <linux/gpio.h>
  16 #include "gma_display.h"
  17 
  18 /*
  19  * Display related stuff
  20  */
  21 
  22 /* maximum connectors per crtcs in the mode set */
  23 #define INTELFB_CONN_LIMIT 4
  24 
  25 /* Intel Pipe Clone Bit */
  26 #define INTEL_HDMIB_CLONE_BIT 1
  27 #define INTEL_HDMIC_CLONE_BIT 2
  28 #define INTEL_HDMID_CLONE_BIT 3
  29 #define INTEL_HDMIE_CLONE_BIT 4
  30 #define INTEL_HDMIF_CLONE_BIT 5
  31 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
  32 #define INTEL_SDVO_TV_CLONE_BIT 7
  33 #define INTEL_SDVO_LVDS_CLONE_BIT 8
  34 #define INTEL_ANALOG_CLONE_BIT 9
  35 #define INTEL_TV_CLONE_BIT 10
  36 #define INTEL_DP_B_CLONE_BIT 11
  37 #define INTEL_DP_C_CLONE_BIT 12
  38 #define INTEL_DP_D_CLONE_BIT 13
  39 #define INTEL_LVDS_CLONE_BIT 14
  40 #define INTEL_DVO_TMDS_CLONE_BIT 15
  41 #define INTEL_DVO_LVDS_CLONE_BIT 16
  42 #define INTEL_EDP_CLONE_BIT 17
  43 
  44 /* these are outputs from the chip - integrated only
  45  * external chips are via DVO or SDVO output */
  46 #define INTEL_OUTPUT_UNUSED 0
  47 #define INTEL_OUTPUT_ANALOG 1
  48 #define INTEL_OUTPUT_DVO 2
  49 #define INTEL_OUTPUT_SDVO 3
  50 #define INTEL_OUTPUT_LVDS 4
  51 #define INTEL_OUTPUT_TVOUT 5
  52 #define INTEL_OUTPUT_HDMI 6
  53 #define INTEL_OUTPUT_MIPI 7
  54 #define INTEL_OUTPUT_MIPI2 8
  55 #define INTEL_OUTPUT_DISPLAYPORT 9
  56 #define INTEL_OUTPUT_EDP 10
  57 
  58 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
  59 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
  60 
  61 static inline void
  62 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
  63                                 int multiplier)
  64 {
  65         mode->clock *= multiplier;
  66         mode->private_flags |= multiplier;
  67 }
  68 
  69 static inline int
  70 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
  71 {
  72         return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK)
  73                >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
  74 }
  75 
  76 
  77 /*
  78  * Hold information useally put on the device driver privates here,
  79  * since it needs to be shared across multiple of devices drivers privates.
  80  */
  81 struct psb_intel_mode_device {
  82 
  83         /*
  84          * Abstracted memory manager operations
  85          */
  86          size_t(*bo_offset) (struct drm_device *dev, void *bo);
  87 
  88         /*
  89          * LVDS info
  90          */
  91         int backlight_duty_cycle;       /* restore backlight to this value */
  92         bool panel_wants_dither;
  93         struct drm_display_mode *panel_fixed_mode;
  94         struct drm_display_mode *panel_fixed_mode2;
  95         struct drm_display_mode *vbt_mode;      /* if any */
  96 
  97         uint32_t saveBLC_PWM_CTL;
  98 };
  99 
 100 struct psb_intel_i2c_chan {
 101         /* for getting at dev. private (mmio etc.) */
 102         struct drm_device *drm_dev;
 103         u32 reg;                /* GPIO reg */
 104         struct i2c_adapter adapter;
 105         struct i2c_algo_bit_data algo;
 106         u8 slave_addr;
 107 };
 108 
 109 struct gma_encoder {
 110         struct drm_encoder base;
 111         int type;
 112         bool needs_tv_clock;
 113         void (*hot_plug)(struct gma_encoder *);
 114         int crtc_mask;
 115         int clone_mask;
 116         u32 ddi_select; /* Channel info */
 117 #define DDI0_SELECT     0x01
 118 #define DDI1_SELECT     0x02
 119 #define DP_MASK         0x8000
 120 #define DDI_MASK        0x03
 121         void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
 122 
 123         /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
 124            own set of output privates */
 125         struct psb_intel_i2c_chan *i2c_bus;
 126         struct psb_intel_i2c_chan *ddc_bus;
 127 };
 128 
 129 struct gma_connector {
 130         struct drm_connector base;
 131         struct gma_encoder *encoder;
 132 
 133         void (*save)(struct drm_connector *connector);
 134         void (*restore)(struct drm_connector *connector);
 135 };
 136 
 137 struct psb_intel_crtc_state {
 138         uint32_t saveDSPCNTR;
 139         uint32_t savePIPECONF;
 140         uint32_t savePIPESRC;
 141         uint32_t saveDPLL;
 142         uint32_t saveFP0;
 143         uint32_t saveFP1;
 144         uint32_t saveHTOTAL;
 145         uint32_t saveHBLANK;
 146         uint32_t saveHSYNC;
 147         uint32_t saveVTOTAL;
 148         uint32_t saveVBLANK;
 149         uint32_t saveVSYNC;
 150         uint32_t saveDSPSTRIDE;
 151         uint32_t saveDSPSIZE;
 152         uint32_t saveDSPPOS;
 153         uint32_t saveDSPBASE;
 154         uint32_t savePalette[256];
 155 };
 156 
 157 struct gma_crtc {
 158         struct drm_crtc base;
 159         int pipe;
 160         int plane;
 161         uint32_t cursor_addr;
 162         struct gtt_range *cursor_gt;
 163         u8 lut_adj[256];
 164         struct psb_intel_framebuffer *fbdev_fb;
 165         /* a mode_set for fbdev users on this crtc */
 166         struct drm_mode_set mode_set;
 167 
 168         /* GEM object that holds our cursor */
 169         struct drm_gem_object *cursor_obj;
 170 
 171         struct drm_display_mode saved_mode;
 172         struct drm_display_mode saved_adjusted_mode;
 173 
 174         struct psb_intel_mode_device *mode_dev;
 175 
 176         /*crtc mode setting flags*/
 177         u32 mode_flags;
 178 
 179         bool active;
 180 
 181         /* Saved Crtc HW states */
 182         struct psb_intel_crtc_state *crtc_state;
 183 
 184         const struct gma_clock_funcs *clock_funcs;
 185 };
 186 
 187 #define to_gma_crtc(x)  \
 188                 container_of(x, struct gma_crtc, base)
 189 #define to_gma_connector(x) \
 190                 container_of(x, struct gma_connector, base)
 191 #define to_gma_encoder(x)       \
 192                 container_of(x, struct gma_encoder, base)
 193 #define to_psb_intel_framebuffer(x)     \
 194                 container_of(x, struct psb_intel_framebuffer, base)
 195 
 196 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
 197                                         const u32 reg, const char *name);
 198 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
 199 int psb_intel_ddc_get_modes(struct drm_connector *connector,
 200                             struct i2c_adapter *adapter);
 201 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
 202 
 203 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
 204                             struct psb_intel_mode_device *mode_dev);
 205 extern void psb_intel_crt_init(struct drm_device *dev);
 206 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
 207 extern void psb_intel_dvo_init(struct drm_device *dev);
 208 extern void psb_intel_tv_init(struct drm_device *dev);
 209 extern void psb_intel_lvds_init(struct drm_device *dev,
 210                             struct psb_intel_mode_device *mode_dev);
 211 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
 212 extern void oaktrail_lvds_init(struct drm_device *dev,
 213                            struct psb_intel_mode_device *mode_dev);
 214 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
 215 extern void oaktrail_dsi_init(struct drm_device *dev,
 216                            struct psb_intel_mode_device *mode_dev);
 217 extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder);
 218 extern void mid_dsi_init(struct drm_device *dev,
 219                     struct psb_intel_mode_device *mode_dev, int dsi_num);
 220 
 221 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector);
 222 extern void gma_connector_attach_encoder(struct gma_connector *connector,
 223                                          struct gma_encoder *encoder);
 224 
 225 static inline struct gma_encoder *gma_attached_encoder(
 226                                                 struct drm_connector *connector)
 227 {
 228         return to_gma_connector(connector)->encoder;
 229 }
 230 
 231 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
 232                                                     struct drm_crtc *crtc);
 233 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
 234                                                  int pipe);
 235 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
 236                                              int sdvoB);
 237 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
 238 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
 239                                    int enable);
 240 extern int intelfb_probe(struct drm_device *dev);
 241 extern int intelfb_remove(struct drm_device *dev,
 242                           struct drm_framebuffer *fb);
 243 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
 244                                       const struct drm_display_mode *mode,
 245                                       struct drm_display_mode *adjusted_mode);
 246 extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector,
 247                                      struct drm_display_mode *mode);
 248 extern int psb_intel_lvds_set_property(struct drm_connector *connector,
 249                                         struct drm_property *property,
 250                                         uint64_t value);
 251 extern void psb_intel_lvds_destroy(struct drm_connector *connector);
 252 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
 253 
 254 /* intel_gmbus.c */
 255 extern void gma_intel_i2c_reset(struct drm_device *dev);
 256 extern int gma_intel_setup_gmbus(struct drm_device *dev);
 257 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
 258 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
 259 extern void gma_intel_teardown_gmbus(struct drm_device *dev);
 260 
 261 /* DP support */
 262 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg);
 263 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc,
 264                                         struct drm_display_mode *mode,
 265                                         struct drm_display_mode *adjusted_mode);
 266 
 267 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector);
 268 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
 269 
 270 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val);
 271 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val);
 272 extern void cdv_sb_reset(struct drm_device *dev);
 273 
 274 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector);
 275 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
 276 
 277 #endif                          /* __INTEL_DRV_H__ */
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root/drivers/gpu/drm/gma500/psb_intel_drv.h

INCLUDED FROM

DEFINITIONS
