drivers/gpu/drm/gma500/psb_intel_drv.h

   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 <drm/drm_vblank.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 /*
  59  * Hold information useally put on the device driver privates here,
  60  * since it needs to be shared across multiple of devices drivers privates.
  61  */
  62 struct psb_intel_mode_device {
  63
  64         /*
  65          * Abstracted memory manager operations
  66          */
  67          size_t(*bo_offset) (struct drm_device *dev, void *bo);
  68
  69         /*
  70          * LVDS info
  71          */
  72         int backlight_duty_cycle;       /* restore backlight to this value */
  73         bool panel_wants_dither;
  74         struct drm_display_mode *panel_fixed_mode;
  75         struct drm_display_mode *panel_fixed_mode2;
  76         struct drm_display_mode *vbt_mode;      /* if any */
  77
  78         uint32_t saveBLC_PWM_CTL;
  79 };
  80
  81 struct psb_intel_i2c_chan {
  82         /* for getting at dev. private (mmio etc.) */
  83         struct drm_device *drm_dev;
  84         u32 reg;                /* GPIO reg */
  85         struct i2c_adapter adapter;
  86         struct i2c_algo_bit_data algo;
  87         u8 slave_addr;
  88 };
  89
  90 struct gma_encoder {
  91         struct drm_encoder base;
  92         int type;
  93         bool needs_tv_clock;
  94         void (*hot_plug)(struct gma_encoder *);
  95         int crtc_mask;
  96         int clone_mask;
  97         u32 ddi_select; /* Channel info */
  98 #define DDI0_SELECT     0x01
  99 #define DDI1_SELECT     0x02
 100 #define DP_MASK         0x8000
 101 #define DDI_MASK        0x03
 102         void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
 103
 104         /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
 105            own set of output privates */
 106         struct psb_intel_i2c_chan *i2c_bus;
 107         struct psb_intel_i2c_chan *ddc_bus;
 108 };
 109
 110 struct gma_connector {
 111         struct drm_connector base;
 112         struct gma_encoder *encoder;
 113
 114         void (*save)(struct drm_connector *connector);
 115         void (*restore)(struct drm_connector *connector);
 116 };
 117
 118 struct psb_intel_crtc_state {
 119         uint32_t saveDSPCNTR;
 120         uint32_t savePIPECONF;
 121         uint32_t savePIPESRC;
 122         uint32_t saveDPLL;
 123         uint32_t saveFP0;
 124         uint32_t saveFP1;
 125         uint32_t saveHTOTAL;
 126         uint32_t saveHBLANK;
 127         uint32_t saveHSYNC;
 128         uint32_t saveVTOTAL;
 129         uint32_t saveVBLANK;
 130         uint32_t saveVSYNC;
 131         uint32_t saveDSPSTRIDE;
 132         uint32_t saveDSPSIZE;
 133         uint32_t saveDSPPOS;
 134         uint32_t saveDSPBASE;
 135         uint32_t savePalette[256];
 136 };
 137
 138 struct gma_crtc {
 139         struct drm_crtc base;
 140         int pipe;
 141         int plane;
 142         uint32_t cursor_addr;
 143         struct gtt_range *cursor_gt;
 144         u8 lut_adj[256];
 145         struct psb_intel_framebuffer *fbdev_fb;
 146         /* a mode_set for fbdev users on this crtc */
 147         struct drm_mode_set mode_set;
 148
 149         /* GEM object that holds our cursor */
 150         struct drm_gem_object *cursor_obj;
 151
 152         struct drm_display_mode saved_mode;
 153         struct drm_display_mode saved_adjusted_mode;
 154
 155         struct psb_intel_mode_device *mode_dev;
 156
 157         /*crtc mode setting flags*/
 158         u32 mode_flags;
 159
 160         bool active;
 161
 162         /* Saved Crtc HW states */
 163         struct psb_intel_crtc_state *crtc_state;
 164
 165         const struct gma_clock_funcs *clock_funcs;
 166
 167         struct drm_pending_vblank_event *page_flip_event;
 168 };
 169
 170 #define to_gma_crtc(x)  \
 171                 container_of(x, struct gma_crtc, base)
 172 #define to_gma_connector(x) \
 173                 container_of(x, struct gma_connector, base)
 174 #define to_gma_encoder(x)       \
 175                 container_of(x, struct gma_encoder, base)
 176 #define to_psb_intel_framebuffer(x)     \
 177                 container_of(x, struct psb_intel_framebuffer, base)
 178
 179 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
 180                                         const u32 reg, const char *name);
 181 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
 182 int psb_intel_ddc_get_modes(struct drm_connector *connector,
 183                             struct i2c_adapter *adapter);
 184 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
 185
 186 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
 187                             struct psb_intel_mode_device *mode_dev);
 188 extern void psb_intel_crt_init(struct drm_device *dev);
 189 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
 190 extern void psb_intel_dvo_init(struct drm_device *dev);
 191 extern void psb_intel_tv_init(struct drm_device *dev);
 192 extern void psb_intel_lvds_init(struct drm_device *dev,
 193                             struct psb_intel_mode_device *mode_dev);
 194 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
 195 extern void oaktrail_lvds_init(struct drm_device *dev,
 196                            struct psb_intel_mode_device *mode_dev);
 197 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
 198 extern void oaktrail_dsi_init(struct drm_device *dev,
 199                            struct psb_intel_mode_device *mode_dev);
 200 extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder);
 201 extern void mid_dsi_init(struct drm_device *dev,
 202                     struct psb_intel_mode_device *mode_dev, int dsi_num);
 203
 204 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector);
 205 extern void gma_connector_attach_encoder(struct gma_connector *connector,
 206                                          struct gma_encoder *encoder);
 207
 208 static inline struct gma_encoder *gma_attached_encoder(
 209                                                 struct drm_connector *connector)
 210 {
 211         return to_gma_connector(connector)->encoder;
 212 }
 213
 214 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
 215                                                     struct drm_crtc *crtc);
 216 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
 217                                                  int pipe);
 218 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
 219                                              int sdvoB);
 220 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
 221 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
 222                                    int enable);
 223 extern int intelfb_probe(struct drm_device *dev);
 224 extern int intelfb_remove(struct drm_device *dev,
 225                           struct drm_framebuffer *fb);
 226 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
 227                                       const struct drm_display_mode *mode,
 228                                       struct drm_display_mode *adjusted_mode);
 229 extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector,
 230                                      struct drm_display_mode *mode);
 231 extern int psb_intel_lvds_set_property(struct drm_connector *connector,
 232                                         struct drm_property *property,
 233                                         uint64_t value);
 234 extern void psb_intel_lvds_destroy(struct drm_connector *connector);
 235
 236 /* intel_gmbus.c */
 237 extern void gma_intel_i2c_reset(struct drm_device *dev);
 238 extern int gma_intel_setup_gmbus(struct drm_device *dev);
 239 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
 240 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
 241 extern void gma_intel_teardown_gmbus(struct drm_device *dev);
 242
 243 /* DP support */
 244 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg);
 245 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc,
 246                                         struct drm_display_mode *mode,
 247                                         struct drm_display_mode *adjusted_mode);
 248
 249 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector);
 250 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
 251
 252 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val);
 253 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val);
 254 extern void cdv_sb_reset(struct drm_device *dev);
 255
 256 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector);
 257 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
 258
 259 #endif                          /* __INTEL_DRV_H__ */