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 /* Intel Pipe Clone Bit */ 36 #define INTEL_HDMIB_CLONE_BIT 1 37 #define INTEL_HDMIC_CLONE_BIT 2 38 #define INTEL_HDMID_CLONE_BIT 3 39 #define INTEL_HDMIE_CLONE_BIT 4 40 #define INTEL_HDMIF_CLONE_BIT 5 41 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 42 #define INTEL_SDVO_TV_CLONE_BIT 7 43 #define INTEL_SDVO_LVDS_CLONE_BIT 8 44 #define INTEL_ANALOG_CLONE_BIT 9 45 #define INTEL_TV_CLONE_BIT 10 46 #define INTEL_DP_B_CLONE_BIT 11 47 #define INTEL_DP_C_CLONE_BIT 12 48 #define INTEL_DP_D_CLONE_BIT 13 49 #define INTEL_LVDS_CLONE_BIT 14 50 #define INTEL_DVO_TMDS_CLONE_BIT 15 51 #define INTEL_DVO_LVDS_CLONE_BIT 16 52 #define INTEL_EDP_CLONE_BIT 17 53 54 /* these are outputs from the chip - integrated only 55 * external chips are via DVO or SDVO output */ 56 #define INTEL_OUTPUT_UNUSED 0 57 #define INTEL_OUTPUT_ANALOG 1 58 #define INTEL_OUTPUT_DVO 2 59 #define INTEL_OUTPUT_SDVO 3 60 #define INTEL_OUTPUT_LVDS 4 61 #define INTEL_OUTPUT_TVOUT 5 62 #define INTEL_OUTPUT_HDMI 6 63 #define INTEL_OUTPUT_MIPI 7 64 #define INTEL_OUTPUT_MIPI2 8 65 #define INTEL_OUTPUT_DISPLAYPORT 9 66 #define INTEL_OUTPUT_EDP 10 67 68 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 69 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 70 71 static inline void 72 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 73 int multiplier) 74 { 75 mode->clock *= multiplier; 76 mode->private_flags |= multiplier; 77 } 78 79 static inline int 80 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 81 { 82 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 83 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 84 } 85 86 87 /* 88 * Hold information useally put on the device driver privates here, 89 * since it needs to be shared across multiple of devices drivers privates. 90 */ 91 struct psb_intel_mode_device { 92 93 /* 94 * Abstracted memory manager operations 95 */ 96 size_t(*bo_offset) (struct drm_device *dev, void *bo); 97 98 /* 99 * LVDS info 100 */ 101 int backlight_duty_cycle; /* restore backlight to this value */ 102 bool panel_wants_dither; 103 struct drm_display_mode *panel_fixed_mode; 104 struct drm_display_mode *panel_fixed_mode2; 105 struct drm_display_mode *vbt_mode; /* if any */ 106 107 uint32_t saveBLC_PWM_CTL; 108 }; 109 110 struct psb_intel_i2c_chan { 111 /* for getting at dev. private (mmio etc.) */ 112 struct drm_device *drm_dev; 113 u32 reg; /* GPIO reg */ 114 struct i2c_adapter adapter; 115 struct i2c_algo_bit_data algo; 116 u8 slave_addr; 117 }; 118 119 struct psb_intel_encoder { 120 struct drm_encoder base; 121 int type; 122 bool needs_tv_clock; 123 void (*hot_plug)(struct psb_intel_encoder *); 124 int crtc_mask; 125 int clone_mask; 126 u32 ddi_select; /* Channel info */ 127 #define DDI0_SELECT 0x01 128 #define DDI1_SELECT 0x02 129 #define DP_MASK 0x8000 130 #define DDI_MASK 0x03 131 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 132 133 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 134 own set of output privates */ 135 struct psb_intel_i2c_chan *i2c_bus; 136 struct psb_intel_i2c_chan *ddc_bus; 137 }; 138 139 struct psb_intel_connector { 140 struct drm_connector base; 141 struct psb_intel_encoder *encoder; 142 }; 143 144 struct psb_intel_crtc_state { 145 uint32_t saveDSPCNTR; 146 uint32_t savePIPECONF; 147 uint32_t savePIPESRC; 148 uint32_t saveDPLL; 149 uint32_t saveFP0; 150 uint32_t saveFP1; 151 uint32_t saveHTOTAL; 152 uint32_t saveHBLANK; 153 uint32_t saveHSYNC; 154 uint32_t saveVTOTAL; 155 uint32_t saveVBLANK; 156 uint32_t saveVSYNC; 157 uint32_t saveDSPSTRIDE; 158 uint32_t saveDSPSIZE; 159 uint32_t saveDSPPOS; 160 uint32_t saveDSPBASE; 161 uint32_t savePalette[256]; 162 }; 163 164 struct psb_intel_crtc { 165 struct drm_crtc base; 166 int pipe; 167 int plane; 168 uint32_t cursor_addr; 169 struct gtt_range *cursor_gt; 170 u8 lut_r[256], lut_g[256], lut_b[256]; 171 u8 lut_adj[256]; 172 struct psb_intel_framebuffer *fbdev_fb; 173 /* a mode_set for fbdev users on this crtc */ 174 struct drm_mode_set mode_set; 175 176 /* GEM object that holds our cursor */ 177 struct drm_gem_object *cursor_obj; 178 179 struct drm_display_mode saved_mode; 180 struct drm_display_mode saved_adjusted_mode; 181 182 struct psb_intel_mode_device *mode_dev; 183 184 /*crtc mode setting flags*/ 185 u32 mode_flags; 186 187 bool active; 188 189 /* Saved Crtc HW states */ 190 struct psb_intel_crtc_state *crtc_state; 191 }; 192 193 #define to_psb_intel_crtc(x) \ 194 container_of(x, struct psb_intel_crtc, base) 195 #define to_psb_intel_connector(x) \ 196 container_of(x, struct psb_intel_connector, base) 197 #define to_psb_intel_encoder(x) \ 198 container_of(x, struct psb_intel_encoder, base) 199 #define to_psb_intel_framebuffer(x) \ 200 container_of(x, struct psb_intel_framebuffer, base) 201 202 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 203 const u32 reg, const char *name); 204 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 205 int psb_intel_ddc_get_modes(struct drm_connector *connector, 206 struct i2c_adapter *adapter); 207 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 208 209 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 210 struct psb_intel_mode_device *mode_dev); 211 extern void psb_intel_crt_init(struct drm_device *dev); 212 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 213 extern void psb_intel_dvo_init(struct drm_device *dev); 214 extern void psb_intel_tv_init(struct drm_device *dev); 215 extern void psb_intel_lvds_init(struct drm_device *dev, 216 struct psb_intel_mode_device *mode_dev); 217 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 218 extern void oaktrail_lvds_init(struct drm_device *dev, 219 struct psb_intel_mode_device *mode_dev); 220 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 221 extern void oaktrail_dsi_init(struct drm_device *dev, 222 struct psb_intel_mode_device *mode_dev); 223 extern void mid_dsi_init(struct drm_device *dev, 224 struct psb_intel_mode_device *mode_dev, int dsi_num); 225 226 extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc); 227 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder); 228 extern void psb_intel_encoder_commit(struct drm_encoder *encoder); 229 extern void psb_intel_encoder_destroy(struct drm_encoder *encoder); 230 231 static inline struct psb_intel_encoder *psb_intel_attached_encoder( 232 struct drm_connector *connector) 233 { 234 return to_psb_intel_connector(connector)->encoder; 235 } 236 237 extern void psb_intel_connector_attach_encoder( 238 struct psb_intel_connector *connector, 239 struct psb_intel_encoder *encoder); 240 241 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector 242 *connector); 243 244 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 245 struct drm_crtc *crtc); 246 extern void psb_intel_wait_for_vblank(struct drm_device *dev); 247 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, 248 struct drm_file *file_priv); 249 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 250 int pipe); 251 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 252 int sdvoB); 253 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 254 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 255 int enable); 256 extern int intelfb_probe(struct drm_device *dev); 257 extern int intelfb_remove(struct drm_device *dev, 258 struct drm_framebuffer *fb); 259 extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device 260 *dev, struct 261 drm_mode_fb_cmd 262 *mode_cmd, 263 void *mm_private); 264 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 265 const struct drm_display_mode *mode, 266 struct drm_display_mode *adjusted_mode); 267 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 268 struct drm_display_mode *mode); 269 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 270 struct drm_property *property, 271 uint64_t value); 272 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 273 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 274 275 /* intel_gmbus.c */ 276 extern void gma_intel_i2c_reset(struct drm_device *dev); 277 extern int gma_intel_setup_gmbus(struct drm_device *dev); 278 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 279 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 280 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 281 282 /* DP support */ 283 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 284 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc, 285 struct drm_display_mode *mode, 286 struct drm_display_mode *adjusted_mode); 287 288 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 289 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 290 291 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 292 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 293 extern void cdv_sb_reset(struct drm_device *dev); 294 295 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 296 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 297 298 #endif /* __INTEL_DRV_H__ */ 299