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 <linux/gpio.h> 28 #include "gma_display.h" 29 30 /* 31 * Display related stuff 32 */ 33 34 /* maximum connectors per crtcs in the mode set */ 35 #define INTELFB_CONN_LIMIT 4 36 37 /* Intel Pipe Clone Bit */ 38 #define INTEL_HDMIB_CLONE_BIT 1 39 #define INTEL_HDMIC_CLONE_BIT 2 40 #define INTEL_HDMID_CLONE_BIT 3 41 #define INTEL_HDMIE_CLONE_BIT 4 42 #define INTEL_HDMIF_CLONE_BIT 5 43 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 44 #define INTEL_SDVO_TV_CLONE_BIT 7 45 #define INTEL_SDVO_LVDS_CLONE_BIT 8 46 #define INTEL_ANALOG_CLONE_BIT 9 47 #define INTEL_TV_CLONE_BIT 10 48 #define INTEL_DP_B_CLONE_BIT 11 49 #define INTEL_DP_C_CLONE_BIT 12 50 #define INTEL_DP_D_CLONE_BIT 13 51 #define INTEL_LVDS_CLONE_BIT 14 52 #define INTEL_DVO_TMDS_CLONE_BIT 15 53 #define INTEL_DVO_LVDS_CLONE_BIT 16 54 #define INTEL_EDP_CLONE_BIT 17 55 56 /* these are outputs from the chip - integrated only 57 * external chips are via DVO or SDVO output */ 58 #define INTEL_OUTPUT_UNUSED 0 59 #define INTEL_OUTPUT_ANALOG 1 60 #define INTEL_OUTPUT_DVO 2 61 #define INTEL_OUTPUT_SDVO 3 62 #define INTEL_OUTPUT_LVDS 4 63 #define INTEL_OUTPUT_TVOUT 5 64 #define INTEL_OUTPUT_HDMI 6 65 #define INTEL_OUTPUT_MIPI 7 66 #define INTEL_OUTPUT_MIPI2 8 67 #define INTEL_OUTPUT_DISPLAYPORT 9 68 #define INTEL_OUTPUT_EDP 10 69 70 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 71 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 72 73 static inline void 74 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 75 int multiplier) 76 { 77 mode->clock *= multiplier; 78 mode->private_flags |= multiplier; 79 } 80 81 static inline int 82 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 83 { 84 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 85 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 86 } 87 88 89 /* 90 * Hold information useally put on the device driver privates here, 91 * since it needs to be shared across multiple of devices drivers privates. 92 */ 93 struct psb_intel_mode_device { 94 95 /* 96 * Abstracted memory manager operations 97 */ 98 size_t(*bo_offset) (struct drm_device *dev, void *bo); 99 100 /* 101 * LVDS info 102 */ 103 int backlight_duty_cycle; /* restore backlight to this value */ 104 bool panel_wants_dither; 105 struct drm_display_mode *panel_fixed_mode; 106 struct drm_display_mode *panel_fixed_mode2; 107 struct drm_display_mode *vbt_mode; /* if any */ 108 109 uint32_t saveBLC_PWM_CTL; 110 }; 111 112 struct psb_intel_i2c_chan { 113 /* for getting at dev. private (mmio etc.) */ 114 struct drm_device *drm_dev; 115 u32 reg; /* GPIO reg */ 116 struct i2c_adapter adapter; 117 struct i2c_algo_bit_data algo; 118 u8 slave_addr; 119 }; 120 121 struct gma_encoder { 122 struct drm_encoder base; 123 int type; 124 bool needs_tv_clock; 125 void (*hot_plug)(struct gma_encoder *); 126 int crtc_mask; 127 int clone_mask; 128 u32 ddi_select; /* Channel info */ 129 #define DDI0_SELECT 0x01 130 #define DDI1_SELECT 0x02 131 #define DP_MASK 0x8000 132 #define DDI_MASK 0x03 133 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 134 135 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 136 own set of output privates */ 137 struct psb_intel_i2c_chan *i2c_bus; 138 struct psb_intel_i2c_chan *ddc_bus; 139 }; 140 141 struct gma_connector { 142 struct drm_connector base; 143 struct gma_encoder *encoder; 144 145 void (*save)(struct drm_connector *connector); 146 void (*restore)(struct drm_connector *connector); 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 gma_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_adj[256]; 176 struct psb_intel_framebuffer *fbdev_fb; 177 /* a mode_set for fbdev users on this crtc */ 178 struct drm_mode_set mode_set; 179 180 /* GEM object that holds our cursor */ 181 struct drm_gem_object *cursor_obj; 182 183 struct drm_display_mode saved_mode; 184 struct drm_display_mode saved_adjusted_mode; 185 186 struct psb_intel_mode_device *mode_dev; 187 188 /*crtc mode setting flags*/ 189 u32 mode_flags; 190 191 bool active; 192 193 /* Saved Crtc HW states */ 194 struct psb_intel_crtc_state *crtc_state; 195 196 const struct gma_clock_funcs *clock_funcs; 197 }; 198 199 #define to_gma_crtc(x) \ 200 container_of(x, struct gma_crtc, base) 201 #define to_gma_connector(x) \ 202 container_of(x, struct gma_connector, base) 203 #define to_gma_encoder(x) \ 204 container_of(x, struct gma_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 oaktrail_lvds_i2c_init(struct drm_encoder *encoder); 230 extern void mid_dsi_init(struct drm_device *dev, 231 struct psb_intel_mode_device *mode_dev, int dsi_num); 232 233 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector); 234 extern void gma_connector_attach_encoder(struct gma_connector *connector, 235 struct gma_encoder *encoder); 236 237 static inline struct gma_encoder *gma_attached_encoder( 238 struct drm_connector *connector) 239 { 240 return to_gma_connector(connector)->encoder; 241 } 242 243 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 244 struct drm_crtc *crtc); 245 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 246 int pipe); 247 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 248 int sdvoB); 249 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 250 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 251 int enable); 252 extern int intelfb_probe(struct drm_device *dev); 253 extern int intelfb_remove(struct drm_device *dev, 254 struct drm_framebuffer *fb); 255 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 256 const struct drm_display_mode *mode, 257 struct drm_display_mode *adjusted_mode); 258 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 259 struct drm_display_mode *mode); 260 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 261 struct drm_property *property, 262 uint64_t value); 263 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 264 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 265 266 /* intel_gmbus.c */ 267 extern void gma_intel_i2c_reset(struct drm_device *dev); 268 extern int gma_intel_setup_gmbus(struct drm_device *dev); 269 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 270 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 271 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 272 273 /* DP support */ 274 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 275 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc, 276 struct drm_display_mode *mode, 277 struct drm_display_mode *adjusted_mode); 278 279 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 280 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 281 282 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 283 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 284 extern void cdv_sb_reset(struct drm_device *dev); 285 286 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 287 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 288 289 #endif /* __INTEL_DRV_H__ */ 290