1 /* 2 * Copyright (c) 2009-2011, Intel Corporation. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program; if not, write to the Free Software Foundation, Inc., 15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 16 * 17 */ 18 19 #ifndef __INTEL_DRV_H__ 20 #define __INTEL_DRV_H__ 21 22 #include <linux/i2c.h> 23 #include <linux/i2c-algo-bit.h> 24 #include <drm/drm_crtc.h> 25 #include <drm/drm_crtc_helper.h> 26 #include <linux/gpio.h> 27 28 /* 29 * Display related stuff 30 */ 31 32 /* maximum connectors per crtcs in the mode set */ 33 #define INTELFB_CONN_LIMIT 4 34 35 #define INTEL_I2C_BUS_DVO 1 36 #define INTEL_I2C_BUS_SDVO 2 37 38 /* Intel Pipe Clone Bit */ 39 #define INTEL_HDMIB_CLONE_BIT 1 40 #define INTEL_HDMIC_CLONE_BIT 2 41 #define INTEL_HDMID_CLONE_BIT 3 42 #define INTEL_HDMIE_CLONE_BIT 4 43 #define INTEL_HDMIF_CLONE_BIT 5 44 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 45 #define INTEL_SDVO_TV_CLONE_BIT 7 46 #define INTEL_SDVO_LVDS_CLONE_BIT 8 47 #define INTEL_ANALOG_CLONE_BIT 9 48 #define INTEL_TV_CLONE_BIT 10 49 #define INTEL_DP_B_CLONE_BIT 11 50 #define INTEL_DP_C_CLONE_BIT 12 51 #define INTEL_DP_D_CLONE_BIT 13 52 #define INTEL_LVDS_CLONE_BIT 14 53 #define INTEL_DVO_TMDS_CLONE_BIT 15 54 #define INTEL_DVO_LVDS_CLONE_BIT 16 55 #define INTEL_EDP_CLONE_BIT 17 56 57 /* these are outputs from the chip - integrated only 58 * external chips are via DVO or SDVO output */ 59 #define INTEL_OUTPUT_UNUSED 0 60 #define INTEL_OUTPUT_ANALOG 1 61 #define INTEL_OUTPUT_DVO 2 62 #define INTEL_OUTPUT_SDVO 3 63 #define INTEL_OUTPUT_LVDS 4 64 #define INTEL_OUTPUT_TVOUT 5 65 #define INTEL_OUTPUT_HDMI 6 66 #define INTEL_OUTPUT_MIPI 7 67 #define INTEL_OUTPUT_MIPI2 8 68 #define INTEL_OUTPUT_DISPLAYPORT 9 69 #define INTEL_OUTPUT_EDP 10 70 71 #define INTEL_DVO_CHIP_NONE 0 72 #define INTEL_DVO_CHIP_LVDS 1 73 #define INTEL_DVO_CHIP_TMDS 2 74 #define INTEL_DVO_CHIP_TVOUT 4 75 76 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 77 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 78 79 static inline void 80 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 81 int multiplier) 82 { 83 mode->clock *= multiplier; 84 mode->private_flags |= multiplier; 85 } 86 87 static inline int 88 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 89 { 90 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 91 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 92 } 93 94 95 /* 96 * Hold information useally put on the device driver privates here, 97 * since it needs to be shared across multiple of devices drivers privates. 98 */ 99 struct psb_intel_mode_device { 100 101 /* 102 * Abstracted memory manager operations 103 */ 104 size_t(*bo_offset) (struct drm_device *dev, void *bo); 105 106 /* 107 * LVDS info 108 */ 109 int backlight_duty_cycle; /* restore backlight to this value */ 110 bool panel_wants_dither; 111 struct drm_display_mode *panel_fixed_mode; 112 struct drm_display_mode *panel_fixed_mode2; 113 struct drm_display_mode *vbt_mode; /* if any */ 114 115 uint32_t saveBLC_PWM_CTL; 116 }; 117 118 struct psb_intel_i2c_chan { 119 /* for getting at dev. private (mmio etc.) */ 120 struct drm_device *drm_dev; 121 u32 reg; /* GPIO reg */ 122 struct i2c_adapter adapter; 123 struct i2c_algo_bit_data algo; 124 u8 slave_addr; 125 }; 126 127 struct psb_intel_encoder { 128 struct drm_encoder base; 129 int type; 130 bool needs_tv_clock; 131 void (*hot_plug)(struct psb_intel_encoder *); 132 int crtc_mask; 133 int clone_mask; 134 u32 ddi_select; /* Channel info */ 135 #define DDI0_SELECT 0x01 136 #define DDI1_SELECT 0x02 137 #define DP_MASK 0x8000 138 #define DDI_MASK 0x03 139 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 140 141 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 142 own set of output privates */ 143 struct psb_intel_i2c_chan *i2c_bus; 144 struct psb_intel_i2c_chan *ddc_bus; 145 }; 146 147 struct psb_intel_connector { 148 struct drm_connector base; 149 struct psb_intel_encoder *encoder; 150 }; 151 152 struct psb_intel_crtc_state { 153 uint32_t saveDSPCNTR; 154 uint32_t savePIPECONF; 155 uint32_t savePIPESRC; 156 uint32_t saveDPLL; 157 uint32_t saveFP0; 158 uint32_t saveFP1; 159 uint32_t saveHTOTAL; 160 uint32_t saveHBLANK; 161 uint32_t saveHSYNC; 162 uint32_t saveVTOTAL; 163 uint32_t saveVBLANK; 164 uint32_t saveVSYNC; 165 uint32_t saveDSPSTRIDE; 166 uint32_t saveDSPSIZE; 167 uint32_t saveDSPPOS; 168 uint32_t saveDSPBASE; 169 uint32_t savePalette[256]; 170 }; 171 172 struct psb_intel_crtc { 173 struct drm_crtc base; 174 int pipe; 175 int plane; 176 uint32_t cursor_addr; 177 struct gtt_range *cursor_gt; 178 u8 lut_r[256], lut_g[256], lut_b[256]; 179 u8 lut_adj[256]; 180 struct psb_intel_framebuffer *fbdev_fb; 181 /* a mode_set for fbdev users on this crtc */ 182 struct drm_mode_set mode_set; 183 184 /* GEM object that holds our cursor */ 185 struct drm_gem_object *cursor_obj; 186 187 struct drm_display_mode saved_mode; 188 struct drm_display_mode saved_adjusted_mode; 189 190 struct psb_intel_mode_device *mode_dev; 191 192 /*crtc mode setting flags*/ 193 u32 mode_flags; 194 195 bool active; 196 197 /* Saved Crtc HW states */ 198 struct psb_intel_crtc_state *crtc_state; 199 }; 200 201 #define to_psb_intel_crtc(x) \ 202 container_of(x, struct psb_intel_crtc, base) 203 #define to_psb_intel_connector(x) \ 204 container_of(x, struct psb_intel_connector, base) 205 #define to_psb_intel_encoder(x) \ 206 container_of(x, struct psb_intel_encoder, base) 207 #define to_psb_intel_framebuffer(x) \ 208 container_of(x, struct psb_intel_framebuffer, base) 209 210 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 211 const u32 reg, const char *name); 212 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 213 int psb_intel_ddc_get_modes(struct drm_connector *connector, 214 struct i2c_adapter *adapter); 215 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 216 217 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 218 struct psb_intel_mode_device *mode_dev); 219 extern void psb_intel_crt_init(struct drm_device *dev); 220 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 221 extern void psb_intel_dvo_init(struct drm_device *dev); 222 extern void psb_intel_tv_init(struct drm_device *dev); 223 extern void psb_intel_lvds_init(struct drm_device *dev, 224 struct psb_intel_mode_device *mode_dev); 225 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 226 extern void oaktrail_lvds_init(struct drm_device *dev, 227 struct psb_intel_mode_device *mode_dev); 228 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 229 extern void oaktrail_dsi_init(struct drm_device *dev, 230 struct psb_intel_mode_device *mode_dev); 231 extern void mid_dsi_init(struct drm_device *dev, 232 struct psb_intel_mode_device *mode_dev, int dsi_num); 233 234 extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc); 235 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder); 236 extern void psb_intel_encoder_commit(struct drm_encoder *encoder); 237 extern void psb_intel_encoder_destroy(struct drm_encoder *encoder); 238 239 static inline struct psb_intel_encoder *psb_intel_attached_encoder( 240 struct drm_connector *connector) 241 { 242 return to_psb_intel_connector(connector)->encoder; 243 } 244 245 extern void psb_intel_connector_attach_encoder( 246 struct psb_intel_connector *connector, 247 struct psb_intel_encoder *encoder); 248 249 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector 250 *connector); 251 252 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 253 struct drm_crtc *crtc); 254 extern void psb_intel_wait_for_vblank(struct drm_device *dev); 255 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, 256 struct drm_file *file_priv); 257 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 258 int pipe); 259 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 260 int sdvoB); 261 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 262 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 263 int enable); 264 extern int intelfb_probe(struct drm_device *dev); 265 extern int intelfb_remove(struct drm_device *dev, 266 struct drm_framebuffer *fb); 267 extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device 268 *dev, struct 269 drm_mode_fb_cmd 270 *mode_cmd, 271 void *mm_private); 272 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 273 const struct drm_display_mode *mode, 274 struct drm_display_mode *adjusted_mode); 275 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 276 struct drm_display_mode *mode); 277 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 278 struct drm_property *property, 279 uint64_t value); 280 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 281 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 282 283 /* intel_gmbus.c */ 284 extern void gma_intel_i2c_reset(struct drm_device *dev); 285 extern int gma_intel_setup_gmbus(struct drm_device *dev); 286 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 287 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 288 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 289 290 /* DP support */ 291 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 292 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc, 293 struct drm_display_mode *mode, 294 struct drm_display_mode *adjusted_mode); 295 296 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 297 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 298 299 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 300 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 301 extern void cdv_sb_reset(struct drm_device *dev); 302 303 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 304 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 305 306 #endif /* __INTEL_DRV_H__ */ 307