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 * Cursor (Can go ?) 110 */ 111 int cursor_needs_physical; 112 113 /* 114 * LVDS info 115 */ 116 int backlight_duty_cycle; /* restore backlight to this value */ 117 bool panel_wants_dither; 118 struct drm_display_mode *panel_fixed_mode; 119 struct drm_display_mode *panel_fixed_mode2; 120 struct drm_display_mode *vbt_mode; /* if any */ 121 122 uint32_t saveBLC_PWM_CTL; 123 }; 124 125 struct psb_intel_i2c_chan { 126 /* for getting at dev. private (mmio etc.) */ 127 struct drm_device *drm_dev; 128 u32 reg; /* GPIO reg */ 129 struct i2c_adapter adapter; 130 struct i2c_algo_bit_data algo; 131 u8 slave_addr; 132 }; 133 134 struct psb_intel_encoder { 135 struct drm_encoder base; 136 int type; 137 bool needs_tv_clock; 138 void (*hot_plug)(struct psb_intel_encoder *); 139 int crtc_mask; 140 int clone_mask; 141 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 142 143 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 144 own set of output privates */ 145 struct psb_intel_i2c_chan *i2c_bus; 146 struct psb_intel_i2c_chan *ddc_bus; 147 }; 148 149 struct psb_intel_connector { 150 struct drm_connector base; 151 struct psb_intel_encoder *encoder; 152 }; 153 154 struct psb_intel_crtc_state { 155 uint32_t saveDSPCNTR; 156 uint32_t savePIPECONF; 157 uint32_t savePIPESRC; 158 uint32_t saveDPLL; 159 uint32_t saveFP0; 160 uint32_t saveFP1; 161 uint32_t saveHTOTAL; 162 uint32_t saveHBLANK; 163 uint32_t saveHSYNC; 164 uint32_t saveVTOTAL; 165 uint32_t saveVBLANK; 166 uint32_t saveVSYNC; 167 uint32_t saveDSPSTRIDE; 168 uint32_t saveDSPSIZE; 169 uint32_t saveDSPPOS; 170 uint32_t saveDSPBASE; 171 uint32_t savePalette[256]; 172 }; 173 174 struct psb_intel_crtc { 175 struct drm_crtc base; 176 int pipe; 177 int plane; 178 uint32_t cursor_addr; 179 u8 lut_r[256], lut_g[256], lut_b[256]; 180 u8 lut_adj[256]; 181 struct psb_intel_framebuffer *fbdev_fb; 182 /* a mode_set for fbdev users on this crtc */ 183 struct drm_mode_set mode_set; 184 185 /* GEM object that holds our cursor */ 186 struct drm_gem_object *cursor_obj; 187 188 struct drm_display_mode saved_mode; 189 struct drm_display_mode saved_adjusted_mode; 190 191 struct psb_intel_mode_device *mode_dev; 192 193 /*crtc mode setting flags*/ 194 u32 mode_flags; 195 196 /* Saved Crtc HW states */ 197 struct psb_intel_crtc_state *crtc_state; 198 }; 199 200 #define to_psb_intel_crtc(x) \ 201 container_of(x, struct psb_intel_crtc, base) 202 #define to_psb_intel_connector(x) \ 203 container_of(x, struct psb_intel_connector, base) 204 #define to_psb_intel_encoder(x) \ 205 container_of(x, struct psb_intel_encoder, base) 206 #define to_psb_intel_framebuffer(x) \ 207 container_of(x, struct psb_intel_framebuffer, base) 208 209 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 210 const u32 reg, const char *name); 211 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 212 int psb_intel_ddc_get_modes(struct drm_connector *connector, 213 struct i2c_adapter *adapter); 214 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 215 216 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 217 struct psb_intel_mode_device *mode_dev); 218 extern void psb_intel_crt_init(struct drm_device *dev); 219 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 220 extern void psb_intel_dvo_init(struct drm_device *dev); 221 extern void psb_intel_tv_init(struct drm_device *dev); 222 extern void psb_intel_lvds_init(struct drm_device *dev, 223 struct psb_intel_mode_device *mode_dev); 224 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 225 extern void oaktrail_lvds_init(struct drm_device *dev, 226 struct psb_intel_mode_device *mode_dev); 227 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 228 extern void oaktrail_dsi_init(struct drm_device *dev, 229 struct psb_intel_mode_device *mode_dev); 230 extern void mid_dsi_init(struct drm_device *dev, 231 struct psb_intel_mode_device *mode_dev, int dsi_num); 232 233 extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc); 234 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder); 235 extern void psb_intel_encoder_commit(struct drm_encoder *encoder); 236 extern void psb_intel_encoder_destroy(struct drm_encoder *encoder); 237 238 static inline struct psb_intel_encoder *psb_intel_attached_encoder( 239 struct drm_connector *connector) 240 { 241 return to_psb_intel_connector(connector)->encoder; 242 } 243 244 extern void psb_intel_connector_attach_encoder( 245 struct psb_intel_connector *connector, 246 struct psb_intel_encoder *encoder); 247 248 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector 249 *connector); 250 251 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 252 struct drm_crtc *crtc); 253 extern void psb_intel_wait_for_vblank(struct drm_device *dev); 254 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, 255 struct drm_file *file_priv); 256 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 257 int pipe); 258 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 259 int sdvoB); 260 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 261 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 262 int enable); 263 extern int intelfb_probe(struct drm_device *dev); 264 extern int intelfb_remove(struct drm_device *dev, 265 struct drm_framebuffer *fb); 266 extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device 267 *dev, struct 268 drm_mode_fb_cmd 269 *mode_cmd, 270 void *mm_private); 271 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 272 struct drm_display_mode *mode, 273 struct drm_display_mode *adjusted_mode); 274 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 275 struct drm_display_mode *mode); 276 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 277 struct drm_property *property, 278 uint64_t value); 279 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 280 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 281 282 /* intel_gmbus.c */ 283 extern void gma_intel_i2c_reset(struct drm_device *dev); 284 extern int gma_intel_setup_gmbus(struct drm_device *dev); 285 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 286 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 287 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 288 289 #endif /* __INTEL_DRV_H__ */ 290