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 72static inline void 73psb_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 80static inline int 81psb_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 */ 92struct 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 111struct 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 120struct 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 140struct gma_connector { 141 struct drm_connector base; 142 struct gma_encoder *encoder; 143}; 144 145struct 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 165struct 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 205struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, 206 const u32 reg, const char *name); 207void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); 208int psb_intel_ddc_get_modes(struct drm_connector *connector, 209 struct i2c_adapter *adapter); 210extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter); 211 212extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, 213 struct psb_intel_mode_device *mode_dev); 214extern void psb_intel_crt_init(struct drm_device *dev); 215extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device); 216extern void psb_intel_dvo_init(struct drm_device *dev); 217extern void psb_intel_tv_init(struct drm_device *dev); 218extern void psb_intel_lvds_init(struct drm_device *dev, 219 struct psb_intel_mode_device *mode_dev); 220extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); 221extern void oaktrail_lvds_init(struct drm_device *dev, 222 struct psb_intel_mode_device *mode_dev); 223extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev); 224extern void oaktrail_dsi_init(struct drm_device *dev, 225 struct psb_intel_mode_device *mode_dev); 226extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder); 227extern void mid_dsi_init(struct drm_device *dev, 228 struct psb_intel_mode_device *mode_dev, int dsi_num); 229 230extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector); 231extern void gma_connector_attach_encoder(struct gma_connector *connector, 232 struct gma_encoder *encoder); 233 234static inline struct gma_encoder *gma_attached_encoder( 235 struct drm_connector *connector) 236{ 237 return to_gma_connector(connector)->encoder; 238} 239 240extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, 241 struct drm_crtc *crtc); 242extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, 243 int pipe); 244extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, 245 int sdvoB); 246extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); 247extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, 248 int enable); 249extern int intelfb_probe(struct drm_device *dev); 250extern int intelfb_remove(struct drm_device *dev, 251 struct drm_framebuffer *fb); 252extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, 253 const struct drm_display_mode *mode, 254 struct drm_display_mode *adjusted_mode); 255extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, 256 struct drm_display_mode *mode); 257extern int psb_intel_lvds_set_property(struct drm_connector *connector, 258 struct drm_property *property, 259 uint64_t value); 260extern void psb_intel_lvds_destroy(struct drm_connector *connector); 261extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; 262 263/* intel_gmbus.c */ 264extern void gma_intel_i2c_reset(struct drm_device *dev); 265extern int gma_intel_setup_gmbus(struct drm_device *dev); 266extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); 267extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); 268extern void gma_intel_teardown_gmbus(struct drm_device *dev); 269 270/* DP support */ 271extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg); 272extern 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 276extern void psb_intel_attach_force_audio_property(struct drm_connector *connector); 277extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 278 279extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val); 280extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val); 281extern void cdv_sb_reset(struct drm_device *dev); 282 283extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector); 284extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector); 285 286#endif /* __INTEL_DRV_H__ */ 287