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 <linux/gpio.h> 17 #include "gma_display.h" 18 19 /* 20 * Display related stuff 21 */ 22 23 /* maximum connectors per crtcs in the mode set */ 24 #define INTELFB_CONN_LIMIT 4 25 26 /* Intel Pipe Clone Bit */ 27 #define INTEL_HDMIB_CLONE_BIT 1 28 #define INTEL_HDMIC_CLONE_BIT 2 29 #define INTEL_HDMID_CLONE_BIT 3 30 #define INTEL_HDMIE_CLONE_BIT 4 31 #define INTEL_HDMIF_CLONE_BIT 5 32 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 33 #define INTEL_SDVO_TV_CLONE_BIT 7 34 #define INTEL_SDVO_LVDS_CLONE_BIT 8 35 #define INTEL_ANALOG_CLONE_BIT 9 36 #define INTEL_TV_CLONE_BIT 10 37 #define INTEL_DP_B_CLONE_BIT 11 38 #define INTEL_DP_C_CLONE_BIT 12 39 #define INTEL_DP_D_CLONE_BIT 13 40 #define INTEL_LVDS_CLONE_BIT 14 41 #define INTEL_DVO_TMDS_CLONE_BIT 15 42 #define INTEL_DVO_LVDS_CLONE_BIT 16 43 #define INTEL_EDP_CLONE_BIT 17 44 45 /* these are outputs from the chip - integrated only 46 * external chips are via DVO or SDVO output */ 47 #define INTEL_OUTPUT_UNUSED 0 48 #define INTEL_OUTPUT_ANALOG 1 49 #define INTEL_OUTPUT_DVO 2 50 #define INTEL_OUTPUT_SDVO 3 51 #define INTEL_OUTPUT_LVDS 4 52 #define INTEL_OUTPUT_TVOUT 5 53 #define INTEL_OUTPUT_HDMI 6 54 #define INTEL_OUTPUT_MIPI 7 55 #define INTEL_OUTPUT_MIPI2 8 56 #define INTEL_OUTPUT_DISPLAYPORT 9 57 #define INTEL_OUTPUT_EDP 10 58 59 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 60 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 61 62 static inline void 63 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 64 int multiplier) 65 { 66 mode->clock *= multiplier; 67 mode->private_flags |= multiplier; 68 } 69 70 static inline int 71 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 72 { 73 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 74 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 75 } 76 77 78 /* 79 * Hold information useally put on the device driver privates here, 80 * since it needs to be shared across multiple of devices drivers privates. 81 */ 82 struct psb_intel_mode_device { 83 84 /* 85 * Abstracted memory manager operations 86 */ 87 size_t(*bo_offset) (struct drm_device *dev, void *bo); 88 89 /* 90 * LVDS info 91 */ 92 int backlight_duty_cycle; /* restore backlight to this value */ 93 bool panel_wants_dither; 94 struct drm_display_mode *panel_fixed_mode; 95 struct drm_display_mode *panel_fixed_mode2; 96 struct drm_display_mode *vbt_mode; /* if any */ 97 98 uint32_t saveBLC_PWM_CTL; 99 }; 100 101 struct psb_intel_i2c_chan { 102 /* for getting at dev. private (mmio etc.) */ 103 struct drm_device *drm_dev; 104 u32 reg; /* GPIO reg */ 105 struct i2c_adapter adapter; 106 struct i2c_algo_bit_data algo; 107 u8 slave_addr; 108 }; 109 110 struct gma_encoder { 111 struct drm_encoder base; 112 int type; 113 bool needs_tv_clock; 114 void (*hot_plug)(struct gma_encoder *); 115 int crtc_mask; 116 int clone_mask; 117 u32 ddi_select; /* Channel info */ 118 #define DDI0_SELECT 0x01 119 #define DDI1_SELECT 0x02 120 #define DP_MASK 0x8000 121 #define DDI_MASK 0x03 122 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 123 124 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 125 own set of output privates */ 126 struct psb_intel_i2c_chan *i2c_bus; 127 struct psb_intel_i2c_chan *ddc_bus; 128 }; 129 130 struct gma_connector { 131 struct drm_connector base; 132 struct gma_encoder *encoder; 133 134 void (*save)(struct drm_connector *connector); 135 void (*restore)(struct drm_connector *connector); 136 }; 137 138 struct psb_intel_crtc_state { 139 uint32_t saveDSPCNTR; 140 uint32_t savePIPECONF; 141 uint32_t savePIPESRC; 142 uint32_t saveDPLL; 143 uint32_t saveFP0; 144 uint32_t saveFP1; 145 uint32_t saveHTOTAL; 146 uint32_t saveHBLANK; 147 uint32_t saveHSYNC; 148 uint32_t saveVTOTAL; 149 uint32_t saveVBLANK; 150 uint32_t saveVSYNC; 151 uint32_t saveDSPSTRIDE; 152 uint32_t saveDSPSIZE; 153 uint32_t saveDSPPOS; 154 uint32_t saveDSPBASE; 155 uint32_t savePalette[256]; 156 }; 157 158 struct gma_crtc { 159 struct drm_crtc base; 160 int pipe; 161 int plane; 162 uint32_t cursor_addr; 163 struct gtt_range *cursor_gt; 164 u8 lut_adj[256]; 165 struct psb_intel_framebuffer *fbdev_fb; 166 /* a mode_set for fbdev users on this crtc */ 167 struct drm_mode_set mode_set; 168 169 /* GEM object that holds our cursor */ 170 struct drm_gem_object *cursor_obj; 171 172 struct drm_display_mode saved_mode; 173 struct drm_display_mode saved_adjusted_mode; 174 175 struct psb_intel_mode_device *mode_dev; 176 177 /*crtc mode setting flags*/ 178 u32 mode_flags; 179 180 bool active; 181 182 /* Saved Crtc HW states */ 183 struct psb_intel_crtc_state *crtc_state; 184 185 const struct gma_clock_funcs *clock_funcs; 186 187 struct drm_pending_vblank_event *page_flip_event; 188 }; 189 190 #define to_gma_crtc(x) \ 191 container_of(x, struct gma_crtc, base) 192 #define to_gma_connector(x) \ 193 container_of(x, struct gma_connector, base) 194 #define to_gma_encoder(x) \ 195 container_of(x, struct gma_encoder, base) 196 #define to_psb_intel_framebuffer(x) \ 197 container_of(x, struct psb_intel_framebuffer, base) 198 199 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 200 const u32 reg, const char *name); 201 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 202 int psb_intel_ddc_get_modes(struct drm_connector *connector, 203 struct i2c_adapter *adapter); 204 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 205 206 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 207 struct psb_intel_mode_device *mode_dev); 208 extern void psb_intel_crt_init(struct drm_device *dev); 209 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 210 extern void psb_intel_dvo_init(struct drm_device *dev); 211 extern void psb_intel_tv_init(struct drm_device *dev); 212 extern void psb_intel_lvds_init(struct drm_device *dev, 213 struct psb_intel_mode_device *mode_dev); 214 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 215 extern void oaktrail_lvds_init(struct drm_device *dev, 216 struct psb_intel_mode_device *mode_dev); 217 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 218 extern void oaktrail_dsi_init(struct drm_device *dev, 219 struct psb_intel_mode_device *mode_dev); 220 extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder); 221 extern void mid_dsi_init(struct drm_device *dev, 222 struct psb_intel_mode_device *mode_dev, int dsi_num); 223 224 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector); 225 extern void gma_connector_attach_encoder(struct gma_connector *connector, 226 struct gma_encoder *encoder); 227 228 static inline struct gma_encoder *gma_attached_encoder( 229 struct drm_connector *connector) 230 { 231 return to_gma_connector(connector)->encoder; 232 } 233 234 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 235 struct drm_crtc *crtc); 236 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 237 int pipe); 238 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 239 int sdvoB); 240 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 241 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 242 int enable); 243 extern int intelfb_probe(struct drm_device *dev); 244 extern int intelfb_remove(struct drm_device *dev, 245 struct drm_framebuffer *fb); 246 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 247 const struct drm_display_mode *mode, 248 struct drm_display_mode *adjusted_mode); 249 extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector, 250 struct drm_display_mode *mode); 251 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 252 struct drm_property *property, 253 uint64_t value); 254 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 255 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 256 257 /* intel_gmbus.c */ 258 extern void gma_intel_i2c_reset(struct drm_device *dev); 259 extern int gma_intel_setup_gmbus(struct drm_device *dev); 260 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 261 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 262 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 263 264 /* DP support */ 265 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 266 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc, 267 struct drm_display_mode *mode, 268 struct drm_display_mode *adjusted_mode); 269 270 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 271 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 272 273 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 274 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 275 extern void cdv_sb_reset(struct drm_device *dev); 276 277 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 278 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 279 280 #endif /* __INTEL_DRV_H__ */ 281