1 /* 2 * Copyright (c) 2009, 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 * MOORESTOWN defines 30 */ 31 #define DELAY_TIME1 2000 /* 1000 = 1ms */ 32 33 /* 34 * Display related stuff 35 */ 36 37 /* store information about an Ixxx DVO */ 38 /* The i830->i865 use multiple DVOs with multiple i2cs */ 39 /* the i915, i945 have a single sDVO i2c bus - which is different */ 40 #define MAX_OUTPUTS 6 41 /* maximum connectors per crtcs in the mode set */ 42 #define INTELFB_CONN_LIMIT 4 43 44 #define INTEL_I2C_BUS_DVO 1 45 #define INTEL_I2C_BUS_SDVO 2 46 47 /* these are outputs from the chip - integrated only 48 * external chips are via DVO or SDVO output */ 49 #define INTEL_OUTPUT_UNUSED 0 50 #define INTEL_OUTPUT_ANALOG 1 51 #define INTEL_OUTPUT_DVO 2 52 #define INTEL_OUTPUT_SDVO 3 53 #define INTEL_OUTPUT_LVDS 4 54 #define INTEL_OUTPUT_TVOUT 5 55 #define INTEL_OUTPUT_HDMI 6 56 #define INTEL_OUTPUT_MIPI 7 57 #define INTEL_OUTPUT_MIPI2 8 58 59 #define INTEL_DVO_CHIP_NONE 0 60 #define INTEL_DVO_CHIP_LVDS 1 61 #define INTEL_DVO_CHIP_TMDS 2 62 #define INTEL_DVO_CHIP_TVOUT 4 63 64 enum mipi_panel_type { 65 NSC_800X480 = 1, 66 LGE_480X1024 = 2, 67 TPO_864X480 = 3 68 }; 69 70 /** 71 * Hold information useally put on the device driver privates here, 72 * since it needs to be shared across multiple of devices drivers privates. 73 */ 74 struct psb_intel_mode_device { 75 76 /* 77 * Abstracted memory manager operations 78 */ 79 void *(*bo_from_handle) (struct drm_device *dev, 80 struct drm_file *file_priv, 81 unsigned int handle); 82 size_t(*bo_size) (struct drm_device *dev, void *bo); 83 size_t(*bo_offset) (struct drm_device *dev, void *bo); 84 int (*bo_pin_for_scanout) (struct drm_device *dev, void *bo); 85 int (*bo_unpin_for_scanout) (struct drm_device *dev, void *bo); 86 87 /* 88 * Cursor 89 */ 90 int cursor_needs_physical; 91 92 /* 93 * LVDS info 94 */ 95 int backlight_duty_cycle; /* restore backlight to this value */ 96 bool panel_wants_dither; 97 struct drm_display_mode *panel_fixed_mode; 98 struct drm_display_mode *panel_fixed_mode2; 99 struct drm_display_mode *vbt_mode; /* if any */ 100 101 uint32_t saveBLC_PWM_CTL; 102 }; 103 104 struct psb_intel_i2c_chan { 105 /* for getting at dev. private (mmio etc.) */ 106 struct drm_device *drm_dev; 107 u32 reg; /* GPIO reg */ 108 struct i2c_adapter adapter; 109 struct i2c_algo_bit_data algo; 110 u8 slave_addr; 111 }; 112 113 struct psb_intel_output { 114 struct drm_connector base; 115 116 struct drm_encoder enc; 117 int type; 118 119 struct psb_intel_i2c_chan *i2c_bus; /* for control functions */ 120 struct psb_intel_i2c_chan *ddc_bus; /* for DDC only stuff */ 121 bool load_detect_temp; 122 void *dev_priv; 123 124 struct psb_intel_mode_device *mode_dev; 125 126 }; 127 128 struct psb_intel_crtc_state { 129 uint32_t saveDSPCNTR; 130 uint32_t savePIPECONF; 131 uint32_t savePIPESRC; 132 uint32_t saveDPLL; 133 uint32_t saveFP0; 134 uint32_t saveFP1; 135 uint32_t saveHTOTAL; 136 uint32_t saveHBLANK; 137 uint32_t saveHSYNC; 138 uint32_t saveVTOTAL; 139 uint32_t saveVBLANK; 140 uint32_t saveVSYNC; 141 uint32_t saveDSPSTRIDE; 142 uint32_t saveDSPSIZE; 143 uint32_t saveDSPPOS; 144 uint32_t saveDSPBASE; 145 uint32_t savePalette[256]; 146 }; 147 148 struct psb_intel_crtc { 149 struct drm_crtc base; 150 int pipe; 151 int plane; 152 uint32_t cursor_addr; 153 u8 lut_r[256], lut_g[256], lut_b[256]; 154 u8 lut_adj[256]; 155 struct psb_intel_framebuffer *fbdev_fb; 156 /* a mode_set for fbdev users on this crtc */ 157 struct drm_mode_set mode_set; 158 159 /* current bo we scanout from */ 160 void *scanout_bo; 161 162 /* current bo we cursor from */ 163 void *cursor_bo; 164 165 struct drm_display_mode saved_mode; 166 struct drm_display_mode saved_adjusted_mode; 167 168 struct psb_intel_mode_device *mode_dev; 169 170 /*crtc mode setting flags*/ 171 u32 mode_flags; 172 173 /* Saved Crtc HW states */ 174 struct psb_intel_crtc_state *crtc_state; 175 }; 176 177 #define to_psb_intel_crtc(x) \ 178 container_of(x, struct psb_intel_crtc, base) 179 #define to_psb_intel_output(x) \ 180 container_of(x, struct psb_intel_output, base) 181 #define enc_to_psb_intel_output(x) \ 182 container_of(x, struct psb_intel_output, enc) 183 #define to_psb_intel_framebuffer(x) \ 184 container_of(x, struct psb_intel_framebuffer, base) 185 186 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 187 const u32 reg, const char *name); 188 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 189 int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output); 190 extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output); 191 192 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 193 struct psb_intel_mode_device *mode_dev); 194 extern void psb_intel_crt_init(struct drm_device *dev); 195 extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device); 196 extern void psb_intel_dvo_init(struct drm_device *dev); 197 extern void psb_intel_tv_init(struct drm_device *dev); 198 extern void psb_intel_lvds_init(struct drm_device *dev, 199 struct psb_intel_mode_device *mode_dev); 200 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 201 extern void mrst_lvds_init(struct drm_device *dev, 202 struct psb_intel_mode_device *mode_dev); 203 extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev); 204 extern void mrst_dsi_init(struct drm_device *dev, 205 struct psb_intel_mode_device *mode_dev); 206 extern void mid_dsi_init(struct drm_device *dev, 207 struct psb_intel_mode_device *mode_dev, int dsi_num); 208 209 extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc); 210 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder); 211 extern void psb_intel_encoder_commit(struct drm_encoder *encoder); 212 213 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector 214 *connector); 215 216 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 217 struct drm_crtc *crtc); 218 extern void psb_intel_wait_for_vblank(struct drm_device *dev); 219 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, 220 struct drm_file *file_priv); 221 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 222 int pipe); 223 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 224 int sdvoB); 225 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 226 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 227 int enable); 228 extern int intelfb_probe(struct drm_device *dev); 229 extern int intelfb_remove(struct drm_device *dev, 230 struct drm_framebuffer *fb); 231 extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device 232 *dev, struct 233 drm_mode_fb_cmd 234 *mode_cmd, 235 void *mm_private); 236 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 237 struct drm_display_mode *mode, 238 struct drm_display_mode *adjusted_mode); 239 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 240 struct drm_display_mode *mode); 241 extern int psb_intel_lvds_set_property(struct drm_connector *connector, 242 struct drm_property *property, 243 uint64_t value); 244 extern void psb_intel_lvds_destroy(struct drm_connector *connector); 245 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 246 247 #endif /* __INTEL_DRV_H__ */ 248