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 /* store information about an Ixxx DVO */ 33 /* The i830->i865 use multiple DVOs with multiple i2cs */ 34 /* the i915, i945 have a single sDVO i2c bus - which is different */ 35 #define MAX_OUTPUTS 6 36 /* maximum connectors per crtcs in the mode set */ 37 #define INTELFB_CONN_LIMIT 4 38 39 #define INTEL_I2C_BUS_DVO 1 40 #define INTEL_I2C_BUS_SDVO 2 41 42 /* Intel Pipe Clone Bit */ 43 #define INTEL_HDMIB_CLONE_BIT 1 44 #define INTEL_HDMIC_CLONE_BIT 2 45 #define INTEL_HDMID_CLONE_BIT 3 46 #define INTEL_HDMIE_CLONE_BIT 4 47 #define INTEL_HDMIF_CLONE_BIT 5 48 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 49 #define INTEL_SDVO_TV_CLONE_BIT 7 50 #define INTEL_SDVO_LVDS_CLONE_BIT 8 51 #define INTEL_ANALOG_CLONE_BIT 9 52 #define INTEL_TV_CLONE_BIT 10 53 #define INTEL_DP_B_CLONE_BIT 11 54 #define INTEL_DP_C_CLONE_BIT 12 55 #define INTEL_DP_D_CLONE_BIT 13 56 #define INTEL_LVDS_CLONE_BIT 14 57 #define INTEL_DVO_TMDS_CLONE_BIT 15 58 #define INTEL_DVO_LVDS_CLONE_BIT 16 59 #define INTEL_EDP_CLONE_BIT 17 60 61 /* these are outputs from the chip - integrated only 62 * external chips are via DVO or SDVO output */ 63 #define INTEL_OUTPUT_UNUSED 0 64 #define INTEL_OUTPUT_ANALOG 1 65 #define INTEL_OUTPUT_DVO 2 66 #define INTEL_OUTPUT_SDVO 3 67 #define INTEL_OUTPUT_LVDS 4 68 #define INTEL_OUTPUT_TVOUT 5 69 #define INTEL_OUTPUT_HDMI 6 70 #define INTEL_OUTPUT_MIPI 7 71 #define INTEL_OUTPUT_MIPI2 8 72 73 #define INTEL_DVO_CHIP_NONE 0 74 #define INTEL_DVO_CHIP_LVDS 1 75 #define INTEL_DVO_CHIP_TMDS 2 76 #define INTEL_DVO_CHIP_TVOUT 4 77 78 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 79 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 80 81 static inline void 82 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 83 int multiplier) 84 { 85 mode->clock *= multiplier; 86 mode->private_flags |= multiplier; 87 } 88 89 static inline int 90 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 91 { 92 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 93 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 94 } 95 96 97 /* 98 * Hold information useally put on the device driver privates here, 99 * since it needs to be shared across multiple of devices drivers privates. 100 */ 101 struct psb_intel_mode_device { 102 103 /* 104 * Abstracted memory manager operations 105 */ 106 size_t(*bo_offset) (struct drm_device *dev, void *bo); 107 108 /* 109 * LVDS info 110 */ 111 int backlight_duty_cycle; /* restore backlight to this value */ 112 bool panel_wants_dither; 113 struct drm_display_mode *panel_fixed_mode; 114 struct drm_display_mode *panel_fixed_mode2; 115 struct drm_display_mode *vbt_mode; /* if any */ 116 117 uint32_t saveBLC_PWM_CTL; 118 }; 119 120 struct psb_intel_i2c_chan { 121 /* for getting at dev. private (mmio etc.) */ 122 struct drm_device *drm_dev; 123 u32 reg; /* GPIO reg */ 124 struct i2c_adapter adapter; 125 struct i2c_algo_bit_data algo; 126 u8 slave_addr; 127 }; 128 129 struct psb_intel_encoder { 130 struct drm_encoder base; 131 int type; 132 bool needs_tv_clock; 133 void (*hot_plug)(struct psb_intel_encoder *); 134 int crtc_mask; 135 int clone_mask; 136 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 137 138 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 139 own set of output privates */ 140 struct psb_intel_i2c_chan *i2c_bus; 141 struct psb_intel_i2c_chan *ddc_bus; 142 }; 143 144 struct psb_intel_connector { 145 struct drm_connector base; 146 struct psb_intel_encoder *encoder; 147 }; 148 149 struct psb_intel_crtc_state { 150 uint32_t saveDSPCNTR; 151 uint32_t savePIPECONF; 152 uint32_t savePIPESRC; 153 uint32_t saveDPLL; 154 uint32_t saveFP0; 155 uint32_t saveFP1; 156 uint32_t saveHTOTAL; 157 uint32_t saveHBLANK; 158 uint32_t saveHSYNC; 159 uint32_t saveVTOTAL; 160 uint32_t saveVBLANK; 161 uint32_t saveVSYNC; 162 uint32_t saveDSPSTRIDE; 163 uint32_t saveDSPSIZE; 164 uint32_t saveDSPPOS; 165 uint32_t saveDSPBASE; 166 uint32_t savePalette[256]; 167 }; 168 169 struct psb_intel_crtc { 170 struct drm_crtc base; 171 int pipe; 172 int plane; 173 uint32_t cursor_addr; 174 struct gtt_range *cursor_gt; 175 u8 lut_r[256], lut_g[256], lut_b[256]; 176 u8 lut_adj[256]; 177 struct psb_intel_framebuffer *fbdev_fb; 178 /* a mode_set for fbdev users on this crtc */ 179 struct drm_mode_set mode_set; 180 181 /* GEM object that holds our cursor */ 182 struct drm_gem_object *cursor_obj; 183 184 struct drm_display_mode saved_mode; 185 struct drm_display_mode saved_adjusted_mode; 186 187 struct psb_intel_mode_device *mode_dev; 188 189 /*crtc mode setting flags*/ 190 u32 mode_flags; 191 192 bool active; 193 bool crtc_enable; 194 195 /* Saved Crtc HW states */ 196 struct psb_intel_crtc_state *crtc_state; 197 }; 198 199 #define to_psb_intel_crtc(x) \ 200 container_of(x, struct psb_intel_crtc, base) 201 #define to_psb_intel_connector(x) \ 202 container_of(x, struct psb_intel_connector, base) 203 #define to_psb_intel_encoder(x) \ 204 container_of(x, struct psb_intel_encoder, base) 205 #define to_psb_intel_framebuffer(x) \ 206 container_of(x, struct psb_intel_framebuffer, base) 207 208 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 209 const u32 reg, const char *name); 210 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 211 int psb_intel_ddc_get_modes(struct drm_connector *connector, 212 struct i2c_adapter *adapter); 213 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 214 215 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 216 struct psb_intel_mode_device *mode_dev); 217 extern void psb_intel_crt_init(struct drm_device *dev); 218 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 219 extern void psb_intel_dvo_init(struct drm_device *dev); 220 extern void psb_intel_tv_init(struct drm_device *dev); 221 extern void psb_intel_lvds_init(struct drm_device *dev, 222 struct psb_intel_mode_device *mode_dev); 223 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 224 extern void oaktrail_lvds_init(struct drm_device *dev, 225 struct psb_intel_mode_device *mode_dev); 226 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 227 extern void oaktrail_dsi_init(struct drm_device *dev, 228 struct psb_intel_mode_device *mode_dev); 229 extern void mid_dsi_init(struct drm_device *dev, 230 struct psb_intel_mode_device *mode_dev, int dsi_num); 231 232 extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc); 233 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder); 234 extern void psb_intel_encoder_commit(struct drm_encoder *encoder); 235 extern void psb_intel_encoder_destroy(struct drm_encoder *encoder); 236 237 static inline struct psb_intel_encoder *psb_intel_attached_encoder( 238 struct drm_connector *connector) 239 { 240 return to_psb_intel_connector(connector)->encoder; 241 } 242 243 extern void psb_intel_connector_attach_encoder( 244 struct psb_intel_connector *connector, 245 struct psb_intel_encoder *encoder); 246 247 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector 248 *connector); 249 250 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 251 struct drm_crtc *crtc); 252 extern void psb_intel_wait_for_vblank(struct drm_device *dev); 253 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, 254 struct drm_file *file_priv); 255 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 256 int pipe); 257 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 258 int sdvoB); 259 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 260 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 261 int enable); 262 extern int intelfb_probe(struct drm_device *dev); 263 extern int intelfb_remove(struct drm_device *dev, 264 struct drm_framebuffer *fb); 265 extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device 266 *dev, struct 267 drm_mode_fb_cmd 268 *mode_cmd, 269 void *mm_private); 270 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 271 const struct drm_display_mode *mode, 272 struct drm_display_mode *adjusted_mode); 273 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 274 struct drm_display_mode *mode); 275 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 276 struct drm_property *property, 277 uint64_t value); 278 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 279 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 280 281 /* intel_gmbus.c */ 282 extern void gma_intel_i2c_reset(struct drm_device *dev); 283 extern int gma_intel_setup_gmbus(struct drm_device *dev); 284 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 285 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 286 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 287 288 #endif /* __INTEL_DRV_H__ */ 289