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 */ 62struct 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 81struct 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 90struct 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 110struct 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 118struct 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 138struct 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 179struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 180 const u32 reg, const char *name); 181void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 182int psb_intel_ddc_get_modes(struct drm_connector *connector, 183 struct i2c_adapter *adapter); 184extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 185 186extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 187 struct psb_intel_mode_device *mode_dev); 188extern void psb_intel_crt_init(struct drm_device *dev); 189extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 190extern void psb_intel_dvo_init(struct drm_device *dev); 191extern void psb_intel_tv_init(struct drm_device *dev); 192extern void psb_intel_lvds_init(struct drm_device *dev, 193 struct psb_intel_mode_device *mode_dev); 194extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 195extern void oaktrail_lvds_init(struct drm_device *dev, 196 struct psb_intel_mode_device *mode_dev); 197extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 198extern void oaktrail_dsi_init(struct drm_device *dev, 199 struct psb_intel_mode_device *mode_dev); 200extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder); 201extern void mid_dsi_init(struct drm_device *dev, 202 struct psb_intel_mode_device *mode_dev, int dsi_num); 203 204extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector); 205extern void gma_connector_attach_encoder(struct gma_connector *connector, 206 struct gma_encoder *encoder); 207 208static inline struct gma_encoder *gma_attached_encoder( 209 struct drm_connector *connector) 210{ 211 return to_gma_connector(connector)->encoder; 212} 213 214extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 215 struct drm_crtc *crtc); 216extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 217 int pipe); 218extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 219 int sdvoB); 220extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 221extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 222 int enable); 223extern int intelfb_probe(struct drm_device *dev); 224extern int intelfb_remove(struct drm_device *dev, 225 struct drm_framebuffer *fb); 226extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 227 const struct drm_display_mode *mode, 228 struct drm_display_mode *adjusted_mode); 229extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector, 230 struct drm_display_mode *mode); 231extern int psb_intel_lvds_set_property(struct drm_connector *connector, 232 struct drm_property *property, 233 uint64_t value); 234extern void psb_intel_lvds_destroy(struct drm_connector *connector); 235 236/* intel_gmbus.c */ 237extern void gma_intel_i2c_reset(struct drm_device *dev); 238extern int gma_intel_setup_gmbus(struct drm_device *dev); 239extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 240extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 241extern void gma_intel_teardown_gmbus(struct drm_device *dev); 242 243/* DP support */ 244extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 245extern 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 249extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 250extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 251 252extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 253extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 254extern void cdv_sb_reset(struct drm_device *dev); 255 256extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 257extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 258 259#endif /* __INTEL_DRV_H__ */ 260