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 #include "gma_display.h" 28 29 /* 30 * Display related stuff 31 */ 32 33 /* maximum connectors per crtcs in the mode set */ 34 #define INTELFB_CONN_LIMIT 4 35 36 /* Intel Pipe Clone Bit */ 37 #define INTEL_HDMIB_CLONE_BIT 1 38 #define INTEL_HDMIC_CLONE_BIT 2 39 #define INTEL_HDMID_CLONE_BIT 3 40 #define INTEL_HDMIE_CLONE_BIT 4 41 #define INTEL_HDMIF_CLONE_BIT 5 42 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 43 #define INTEL_SDVO_TV_CLONE_BIT 7 44 #define INTEL_SDVO_LVDS_CLONE_BIT 8 45 #define INTEL_ANALOG_CLONE_BIT 9 46 #define INTEL_TV_CLONE_BIT 10 47 #define INTEL_DP_B_CLONE_BIT 11 48 #define INTEL_DP_C_CLONE_BIT 12 49 #define INTEL_DP_D_CLONE_BIT 13 50 #define INTEL_LVDS_CLONE_BIT 14 51 #define INTEL_DVO_TMDS_CLONE_BIT 15 52 #define INTEL_DVO_LVDS_CLONE_BIT 16 53 #define INTEL_EDP_CLONE_BIT 17 54 55 /* these are outputs from the chip - integrated only 56 * external chips are via DVO or SDVO output */ 57 #define INTEL_OUTPUT_UNUSED 0 58 #define INTEL_OUTPUT_ANALOG 1 59 #define INTEL_OUTPUT_DVO 2 60 #define INTEL_OUTPUT_SDVO 3 61 #define INTEL_OUTPUT_LVDS 4 62 #define INTEL_OUTPUT_TVOUT 5 63 #define INTEL_OUTPUT_HDMI 6 64 #define INTEL_OUTPUT_MIPI 7 65 #define INTEL_OUTPUT_MIPI2 8 66 #define INTEL_OUTPUT_DISPLAYPORT 9 67 #define INTEL_OUTPUT_EDP 10 68 69 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) 70 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) 71 72 static inline void 73 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, 74 int multiplier) 75 { 76 mode->clock *= multiplier; 77 mode->private_flags |= multiplier; 78 } 79 80 static inline int 81 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) 82 { 83 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) 84 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; 85 } 86 87 88 /* 89 * Hold information useally put on the device driver privates here, 90 * since it needs to be shared across multiple of devices drivers privates. 91 */ 92 struct psb_intel_mode_device { 93 94 /* 95 * Abstracted memory manager operations 96 */ 97 size_t(*bo_offset) (struct drm_device *dev, void *bo); 98 99 /* 100 * LVDS info 101 */ 102 int backlight_duty_cycle; /* restore backlight to this value */ 103 bool panel_wants_dither; 104 struct drm_display_mode *panel_fixed_mode; 105 struct drm_display_mode *panel_fixed_mode2; 106 struct drm_display_mode *vbt_mode; /* if any */ 107 108 uint32_t saveBLC_PWM_CTL; 109 }; 110 111 struct psb_intel_i2c_chan { 112 /* for getting at dev. private (mmio etc.) */ 113 struct drm_device *drm_dev; 114 u32 reg; /* GPIO reg */ 115 struct i2c_adapter adapter; 116 struct i2c_algo_bit_data algo; 117 u8 slave_addr; 118 }; 119 120 struct gma_encoder { 121 struct drm_encoder base; 122 int type; 123 bool needs_tv_clock; 124 void (*hot_plug)(struct gma_encoder *); 125 int crtc_mask; 126 int clone_mask; 127 u32 ddi_select; /* Channel info */ 128 #define DDI0_SELECT 0x01 129 #define DDI1_SELECT 0x02 130 #define DP_MASK 0x8000 131 #define DDI_MASK 0x03 132 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */ 133 134 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's 135 own set of output privates */ 136 struct psb_intel_i2c_chan *i2c_bus; 137 struct psb_intel_i2c_chan *ddc_bus; 138 }; 139 140 struct gma_connector { 141 struct drm_connector base; 142 struct gma_encoder *encoder; 143 }; 144 145 struct psb_intel_crtc_state { 146 uint32_t saveDSPCNTR; 147 uint32_t savePIPECONF; 148 uint32_t savePIPESRC; 149 uint32_t saveDPLL; 150 uint32_t saveFP0; 151 uint32_t saveFP1; 152 uint32_t saveHTOTAL; 153 uint32_t saveHBLANK; 154 uint32_t saveHSYNC; 155 uint32_t saveVTOTAL; 156 uint32_t saveVBLANK; 157 uint32_t saveVSYNC; 158 uint32_t saveDSPSTRIDE; 159 uint32_t saveDSPSIZE; 160 uint32_t saveDSPPOS; 161 uint32_t saveDSPBASE; 162 uint32_t savePalette[256]; 163 }; 164 165 struct gma_crtc { 166 struct drm_crtc base; 167 int pipe; 168 int plane; 169 uint32_t cursor_addr; 170 struct gtt_range *cursor_gt; 171 u8 lut_r[256], lut_g[256], lut_b[256]; 172 u8 lut_adj[256]; 173 struct psb_intel_framebuffer *fbdev_fb; 174 /* a mode_set for fbdev users on this crtc */ 175 struct drm_mode_set mode_set; 176 177 /* GEM object that holds our cursor */ 178 struct drm_gem_object *cursor_obj; 179 180 struct drm_display_mode saved_mode; 181 struct drm_display_mode saved_adjusted_mode; 182 183 struct psb_intel_mode_device *mode_dev; 184 185 /*crtc mode setting flags*/ 186 u32 mode_flags; 187 188 bool active; 189 190 /* Saved Crtc HW states */ 191 struct psb_intel_crtc_state *crtc_state; 192 193 const struct gma_clock_funcs *clock_funcs; 194 }; 195 196 #define to_gma_crtc(x) \ 197 container_of(x, struct gma_crtc, base) 198 #define to_gma_connector(x) \ 199 container_of(x, struct gma_connector, base) 200 #define to_gma_encoder(x) \ 201 container_of(x, struct gma_encoder, base) 202 #define to_psb_intel_framebuffer(x) \ 203 container_of(x, struct psb_intel_framebuffer, base) 204 205 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 206 const u32 reg, const char *name); 207 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 208 int psb_intel_ddc_get_modes(struct drm_connector *connector, 209 struct i2c_adapter *adapter); 210 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 211 212 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 213 struct psb_intel_mode_device *mode_dev); 214 extern void psb_intel_crt_init(struct drm_device *dev); 215 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 216 extern void psb_intel_dvo_init(struct drm_device *dev); 217 extern void psb_intel_tv_init(struct drm_device *dev); 218 extern void psb_intel_lvds_init(struct drm_device *dev, 219 struct psb_intel_mode_device *mode_dev); 220 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 221 extern void oaktrail_lvds_init(struct drm_device *dev, 222 struct psb_intel_mode_device *mode_dev); 223 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 224 extern void oaktrail_dsi_init(struct drm_device *dev, 225 struct psb_intel_mode_device *mode_dev); 226 extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder); 227 extern void mid_dsi_init(struct drm_device *dev, 228 struct psb_intel_mode_device *mode_dev, int dsi_num); 229 230 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector); 231 extern void gma_connector_attach_encoder(struct gma_connector *connector, 232 struct gma_encoder *encoder); 233 234 static inline struct gma_encoder *gma_attached_encoder( 235 struct drm_connector *connector) 236 { 237 return to_gma_connector(connector)->encoder; 238 } 239 240 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 241 struct drm_crtc *crtc); 242 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 243 int pipe); 244 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 245 int sdvoB); 246 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 247 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 248 int enable); 249 extern int intelfb_probe(struct drm_device *dev); 250 extern int intelfb_remove(struct drm_device *dev, 251 struct drm_framebuffer *fb); 252 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 253 const struct drm_display_mode *mode, 254 struct drm_display_mode *adjusted_mode); 255 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 256 struct drm_display_mode *mode); 257 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 258 struct drm_property *property, 259 uint64_t value); 260 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 261 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 262 263 /* intel_gmbus.c */ 264 extern void gma_intel_i2c_reset(struct drm_device *dev); 265 extern int gma_intel_setup_gmbus(struct drm_device *dev); 266 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 267 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 268 extern void gma_intel_teardown_gmbus(struct drm_device *dev); 269 270 /* DP support */ 271 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 272 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc, 273 struct drm_display_mode *mode, 274 struct drm_display_mode *adjusted_mode); 275 276 extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 277 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 278 279 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 280 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 281 extern void cdv_sb_reset(struct drm_device *dev); 282 283 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 284 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 285 286 #endif /* __INTEL_DRV_H__ */ 287