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 <drm/drm_encoder.h> 27 #include <drm/drm_probe_helper.h> 28 #include <linux/gpio.h> 29 #include "gma_display.h" 30 31 /* 32 * Display related stuff 33 */ 34 35 /* maximum connectors per crtcs in the mode set */ 36 #define INTELFB_CONN_LIMIT 4 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_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 72 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 73 74 static inline void 75 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 76 int multiplier) 77 { 78 mode->clock *= multiplier; 79 mode->private_flags |= multiplier; 80 } 81 82 static inline int 83 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 84 { 85 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 86 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 87 } 88 89 90 /* 91 * Hold information useally put on the device driver privates here, 92 * since it needs to be shared across multiple of devices drivers privates. 93 */ 94 struct psb_intel_mode_device { 95 96 /* 97 * Abstracted memory manager operations 98 */ 99 size_t(*bo_offset) (struct drm_device *dev, void *bo); 100 101 /* 102 * LVDS info 103 */ 104 int backlight_duty_cycle; /* restore backlight to this value */ 105 bool panel_wants_dither; 106 struct drm_display_mode *panel_fixed_mode; 107 struct drm_display_mode *panel_fixed_mode2; 108 struct drm_display_mode *vbt_mode; /* if any */ 109 110 uint32_t saveBLC_PWM_CTL; 111 }; 112 113 struct psb_intel_i2c_chan { 114 /* for getting at dev. private (mmio etc.) */ 115 struct drm_device *drm_dev; 116 u32 reg; /* GPIO reg */ 117 struct i2c_adapter adapter; 118 struct i2c_algo_bit_data algo; 119 u8 slave_addr; 120 }; 121 122 struct gma_encoder { 123 struct drm_encoder base; 124 int type; 125 bool needs_tv_clock; 126 void (*hot_plug)(struct gma_encoder *); 127 int crtc_mask; 128 int clone_mask; 129 u32 ddi_select; /* Channel info */ 130 #define DDI0_SELECT 0x01 131 #define DDI1_SELECT 0x02 132 #define DP_MASK 0x8000 133 #define DDI_MASK 0x03 134 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 135 136 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 137 own set of output privates */ 138 struct psb_intel_i2c_chan *i2c_bus; 139 struct psb_intel_i2c_chan *ddc_bus; 140 }; 141 142 struct gma_connector { 143 struct drm_connector base; 144 struct gma_encoder *encoder; 145 146 void (*save)(struct drm_connector *connector); 147 void (*restore)(struct drm_connector *connector); 148 }; 149 150 struct psb_intel_crtc_state { 151 uint32_t saveDSPCNTR; 152 uint32_t savePIPECONF; 153 uint32_t savePIPESRC; 154 uint32_t saveDPLL; 155 uint32_t saveFP0; 156 uint32_t saveFP1; 157 uint32_t saveHTOTAL; 158 uint32_t saveHBLANK; 159 uint32_t saveHSYNC; 160 uint32_t saveVTOTAL; 161 uint32_t saveVBLANK; 162 uint32_t saveVSYNC; 163 uint32_t saveDSPSTRIDE; 164 uint32_t saveDSPSIZE; 165 uint32_t saveDSPPOS; 166 uint32_t saveDSPBASE; 167 uint32_t savePalette[256]; 168 }; 169 170 struct gma_crtc { 171 struct drm_crtc base; 172 int pipe; 173 int plane; 174 uint32_t cursor_addr; 175 struct gtt_range *cursor_gt; 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; 193 194 /* Saved Crtc HW states */ 195 struct psb_intel_crtc_state *crtc_state; 196 197 const struct gma_clock_funcs *clock_funcs; 198 }; 199 200 #define to_gma_crtc(x) \ 201 container_of(x, struct gma_crtc, base) 202 #define to_gma_connector(x) \ 203 container_of(x, struct gma_connector, base) 204 #define to_gma_encoder(x) \ 205 container_of(x, struct gma_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 oaktrail_lvds_i2c_init(struct drm_encoder *encoder); 231 extern void mid_dsi_init(struct drm_device *dev, 232 struct psb_intel_mode_device *mode_dev, int dsi_num); 233 234 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector); 235 extern void gma_connector_attach_encoder(struct gma_connector *connector, 236 struct gma_encoder *encoder); 237 238 static inline struct gma_encoder *gma_attached_encoder( 239 struct drm_connector *connector) 240 { 241 return to_gma_connector(connector)->encoder; 242 } 243 244 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 245 struct drm_crtc *crtc); 246 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 247 int pipe); 248 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 249 int sdvoB); 250 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 251 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 252 int enable); 253 extern int intelfb_probe(struct drm_device *dev); 254 extern int intelfb_remove(struct drm_device *dev, 255 struct drm_framebuffer *fb); 256 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 257 const struct drm_display_mode *mode, 258 struct drm_display_mode *adjusted_mode); 259 extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector, 260 struct drm_display_mode *mode); 261 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 262 struct drm_property *property, 263 uint64_t value); 264 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 265 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 266 267 /* intel_gmbus.c */ 268 extern void gma_intel_i2c_reset(struct drm_device *dev); 269 extern int gma_intel_setup_gmbus(struct drm_device *dev); 270 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 271 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 272 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 273 274 /* DP support */ 275 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 276 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc, 277 struct drm_display_mode *mode, 278 struct drm_display_mode *adjusted_mode); 279 280 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 281 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 282 283 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 284 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 285 extern void cdv_sb_reset(struct drm_device *dev); 286 287 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 288 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 289 290 #endif /* __INTEL_DRV_H__ */ 291