1/* 2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> 3 * Copyright (c) 2007-2008 Intel Corporation 4 * Jesse Barnes <jesse.barnes@intel.com> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 23 * IN THE SOFTWARE. 24 */ 25#ifndef __INTEL_DRV_H__ 26#define __INTEL_DRV_H__ 27 28#include <linux/i2c.h> 29#include <linux/i2c-id.h> 30#include <linux/i2c-algo-bit.h> 31#include "i915_drv.h" 32#include "drm_crtc.h" 33 34#include "drm_crtc_helper.h" 35 36#define wait_for(COND, MS, W) ({ \ 37 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \ 38 int ret__ = 0; \ 39 while (! (COND)) { \ 40 if (time_after(jiffies, timeout__)) { \ 41 ret__ = -ETIMEDOUT; \ 42 break; \ 43 } \ 44 if (W) msleep(W); \ 45 } \ 46 ret__; \ 47}) 48 49/* 50 * Display related stuff 51 */ 52 53/* store information about an Ixxx DVO */ 54/* The i830->i865 use multiple DVOs with multiple i2cs */ 55/* the i915, i945 have a single sDVO i2c bus - which is different */ 56#define MAX_OUTPUTS 6 57/* maximum connectors per crtcs in the mode set */ 58#define INTELFB_CONN_LIMIT 4 59 60#define INTEL_I2C_BUS_DVO 1 61#define INTEL_I2C_BUS_SDVO 2 62 63/* these are outputs from the chip - integrated only 64 external chips are via DVO or SDVO output */ 65#define INTEL_OUTPUT_UNUSED 0 66#define INTEL_OUTPUT_ANALOG 1 67#define INTEL_OUTPUT_DVO 2 68#define INTEL_OUTPUT_SDVO 3 69#define INTEL_OUTPUT_LVDS 4 70#define INTEL_OUTPUT_TVOUT 5 71#define INTEL_OUTPUT_HDMI 6 72#define INTEL_OUTPUT_DISPLAYPORT 7 73#define INTEL_OUTPUT_EDP 8 74 75/* Intel Pipe Clone Bit */ 76#define INTEL_HDMIB_CLONE_BIT 1 77#define INTEL_HDMIC_CLONE_BIT 2 78#define INTEL_HDMID_CLONE_BIT 3 79#define INTEL_HDMIE_CLONE_BIT 4 80#define INTEL_HDMIF_CLONE_BIT 5 81#define INTEL_SDVO_NON_TV_CLONE_BIT 6 82#define INTEL_SDVO_TV_CLONE_BIT 7 83#define INTEL_SDVO_LVDS_CLONE_BIT 8 84#define INTEL_ANALOG_CLONE_BIT 9 85#define INTEL_TV_CLONE_BIT 10 86#define INTEL_DP_B_CLONE_BIT 11 87#define INTEL_DP_C_CLONE_BIT 12 88#define INTEL_DP_D_CLONE_BIT 13 89#define INTEL_LVDS_CLONE_BIT 14 90#define INTEL_DVO_TMDS_CLONE_BIT 15 91#define INTEL_DVO_LVDS_CLONE_BIT 16 92#define INTEL_EDP_CLONE_BIT 17 93 94#define INTEL_DVO_CHIP_NONE 0 95#define INTEL_DVO_CHIP_LVDS 1 96#define INTEL_DVO_CHIP_TMDS 2 97#define INTEL_DVO_CHIP_TVOUT 4 98 99struct intel_i2c_chan { 100 struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */ 101 u32 reg; /* GPIO reg */ 102 struct i2c_adapter adapter; 103 struct i2c_algo_bit_data algo; 104}; 105 106struct intel_framebuffer { 107 struct drm_framebuffer base; 108 struct drm_gem_object *obj; 109}; 110 111 112struct intel_encoder { 113 struct drm_encoder enc; 114 int type; 115 struct i2c_adapter *i2c_bus; 116 struct i2c_adapter *ddc_bus; 117 bool load_detect_temp; 118 bool needs_tv_clock; 119 void (*hot_plug)(struct intel_encoder *); 120 int crtc_mask; 121 int clone_mask; 122}; 123 124struct intel_connector { 125 struct drm_connector base; 126}; 127 128struct intel_crtc; 129struct intel_overlay { 130 struct drm_device *dev; 131 struct intel_crtc *crtc; 132 struct drm_i915_gem_object *vid_bo; 133 struct drm_i915_gem_object *old_vid_bo; 134 int active; 135 int pfit_active; 136 u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */ 137 u32 color_key; 138 u32 brightness, contrast, saturation; 139 u32 old_xscale, old_yscale; 140 /* register access */ 141 u32 flip_addr; 142 struct drm_i915_gem_object *reg_bo; 143 void *virt_addr; 144 /* flip handling */ 145 uint32_t last_flip_req; 146 int hw_wedged; 147#define HW_WEDGED 1 148#define NEEDS_WAIT_FOR_FLIP 2 149#define RELEASE_OLD_VID 3 150#define SWITCH_OFF_STAGE_1 4 151#define SWITCH_OFF_STAGE_2 5 152}; 153 154struct intel_crtc { 155 struct drm_crtc base; 156 enum pipe pipe; 157 enum plane plane; 158 u8 lut_r[256], lut_g[256], lut_b[256]; 159 int dpms_mode; 160 bool busy; /* is scanout buffer being updated frequently? */ 161 struct timer_list idle_timer; 162 bool lowfreq_avail; 163 struct intel_overlay *overlay; 164 struct intel_unpin_work *unpin_work; 165 int fdi_lanes; 166 167 struct drm_gem_object *cursor_bo; 168 uint32_t cursor_addr; 169 int16_t cursor_x, cursor_y; 170 int16_t cursor_width, cursor_height; 171 bool cursor_visible, cursor_on; 172}; 173 174#define to_intel_crtc(x) container_of(x, struct intel_crtc, base) 175#define to_intel_connector(x) container_of(x, struct intel_connector, base) 176#define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc) 177#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) 178 179struct intel_unpin_work { 180 struct work_struct work; 181 struct drm_device *dev; 182 struct drm_gem_object *old_fb_obj; 183 struct drm_gem_object *pending_flip_obj; 184 struct drm_pending_vblank_event *event; 185 int pending; 186 bool enable_stall_check; 187}; 188 189struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg, 190 const char *name); 191void intel_i2c_destroy(struct i2c_adapter *adapter); 192int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); 193extern bool intel_ddc_probe(struct intel_encoder *intel_encoder); 194void intel_i2c_quirk_set(struct drm_device *dev, bool enable); 195void intel_i2c_reset_gmbus(struct drm_device *dev); 196 197extern void intel_crt_init(struct drm_device *dev); 198extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg); 199extern bool intel_sdvo_init(struct drm_device *dev, int output_device); 200extern void intel_dvo_init(struct drm_device *dev); 201extern void intel_tv_init(struct drm_device *dev); 202extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj); 203extern void intel_lvds_init(struct drm_device *dev); 204extern void intel_dp_init(struct drm_device *dev, int dp_reg); 205void 206intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, 207 struct drm_display_mode *adjusted_mode); 208extern bool intel_pch_has_edp(struct drm_crtc *crtc); 209extern bool intel_dpd_is_edp(struct drm_device *dev); 210extern void intel_edp_link_config (struct intel_encoder *, int *, int *); 211 212 213extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, 214 struct drm_display_mode *adjusted_mode); 215extern void intel_pch_panel_fitting(struct drm_device *dev, 216 int fitting_mode, 217 struct drm_display_mode *mode, 218 struct drm_display_mode *adjusted_mode); 219 220extern int intel_panel_fitter_pipe (struct drm_device *dev); 221extern void intel_crtc_load_lut(struct drm_crtc *crtc); 222extern void intel_encoder_prepare (struct drm_encoder *encoder); 223extern void intel_encoder_commit (struct drm_encoder *encoder); 224extern void intel_encoder_destroy(struct drm_encoder *encoder); 225 226extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector); 227 228extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, 229 struct drm_crtc *crtc); 230int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, 231 struct drm_file *file_priv); 232extern void intel_wait_for_vblank(struct drm_device *dev, int pipe); 233extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe); 234extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder, 235 struct drm_connector *connector, 236 struct drm_display_mode *mode, 237 int *dpms_mode); 238extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, 239 struct drm_connector *connector, 240 int dpms_mode); 241 242extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB); 243extern int intel_sdvo_supports_hotplug(struct drm_connector *connector); 244extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable); 245extern void intelfb_restore(void); 246extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, 247 u16 blue, int regno); 248extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, 249 u16 *blue, int regno); 250extern void intel_init_clock_gating(struct drm_device *dev); 251extern void ironlake_enable_drps(struct drm_device *dev); 252extern void ironlake_disable_drps(struct drm_device *dev); 253extern void intel_init_emon(struct drm_device *dev); 254 255extern int intel_pin_and_fence_fb_obj(struct drm_device *dev, 256 struct drm_gem_object *obj); 257 258extern int intel_framebuffer_init(struct drm_device *dev, 259 struct intel_framebuffer *ifb, 260 struct drm_mode_fb_cmd *mode_cmd, 261 struct drm_gem_object *obj); 262extern int intel_fbdev_init(struct drm_device *dev); 263extern void intel_fbdev_fini(struct drm_device *dev); 264 265extern void intel_prepare_page_flip(struct drm_device *dev, int plane); 266extern void intel_finish_page_flip(struct drm_device *dev, int pipe); 267extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane); 268 269extern void intel_setup_overlay(struct drm_device *dev); 270extern void intel_cleanup_overlay(struct drm_device *dev); 271extern int intel_overlay_switch_off(struct intel_overlay *overlay); 272extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, 273 int interruptible); 274extern int intel_overlay_put_image(struct drm_device *dev, void *data, 275 struct drm_file *file_priv); 276extern int intel_overlay_attrs(struct drm_device *dev, void *data, 277 struct drm_file *file_priv); 278 279extern void intel_fb_output_poll_changed(struct drm_device *dev); 280#endif /* __INTEL_DRV_H__ */ 281