drivers/gpu/drm/i915/intel_drv.h

   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  * Display related stuff
  37  */
  38
  39 /* store information about an Ixxx DVO */
  40 /* The i830->i865 use multiple DVOs with multiple i2cs */
  41 /* the i915, i945 have a single sDVO i2c bus - which is different */
  42 #define MAX_OUTPUTS 6
  43 /* maximum connectors per crtcs in the mode set */
  44 #define INTELFB_CONN_LIMIT 4
  45
  46 #define INTEL_I2C_BUS_DVO 1
  47 #define INTEL_I2C_BUS_SDVO 2
  48
  49 /* these are outputs from the chip - integrated only
  50    external chips are via DVO or SDVO output */
  51 #define INTEL_OUTPUT_UNUSED 0
  52 #define INTEL_OUTPUT_ANALOG 1
  53 #define INTEL_OUTPUT_DVO 2
  54 #define INTEL_OUTPUT_SDVO 3
  55 #define INTEL_OUTPUT_LVDS 4
  56 #define INTEL_OUTPUT_TVOUT 5
  57 #define INTEL_OUTPUT_HDMI 6
  58 #define INTEL_OUTPUT_DISPLAYPORT 7
  59 #define INTEL_OUTPUT_EDP 8
  60
  61 /* Intel Pipe Clone Bit */
  62 #define INTEL_HDMIB_CLONE_BIT 1
  63 #define INTEL_HDMIC_CLONE_BIT 2
  64 #define INTEL_HDMID_CLONE_BIT 3
  65 #define INTEL_HDMIE_CLONE_BIT 4
  66 #define INTEL_HDMIF_CLONE_BIT 5
  67 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
  68 #define INTEL_SDVO_TV_CLONE_BIT 7
  69 #define INTEL_SDVO_LVDS_CLONE_BIT 8
  70 #define INTEL_ANALOG_CLONE_BIT 9
  71 #define INTEL_TV_CLONE_BIT 10
  72 #define INTEL_DP_B_CLONE_BIT 11
  73 #define INTEL_DP_C_CLONE_BIT 12
  74 #define INTEL_DP_D_CLONE_BIT 13
  75 #define INTEL_LVDS_CLONE_BIT 14
  76 #define INTEL_DVO_TMDS_CLONE_BIT 15
  77 #define INTEL_DVO_LVDS_CLONE_BIT 16
  78 #define INTEL_EDP_CLONE_BIT 17
  79
  80 #define INTEL_DVO_CHIP_NONE 0
  81 #define INTEL_DVO_CHIP_LVDS 1
  82 #define INTEL_DVO_CHIP_TMDS 2
  83 #define INTEL_DVO_CHIP_TVOUT 4
  84
  85 struct intel_i2c_chan {
  86         struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
  87         u32 reg; /* GPIO reg */
  88         struct i2c_adapter adapter;
  89         struct i2c_algo_bit_data algo;
  90 };
  91
  92 struct intel_framebuffer {
  93         struct drm_framebuffer base;
  94         struct drm_gem_object *obj;
  95 };
  96
  97
  98 struct intel_output {
  99         struct drm_connector base;
 100
 101         struct drm_encoder enc;
 102         int type;
 103         struct i2c_adapter *i2c_bus;
 104         struct i2c_adapter *ddc_bus;
 105         bool load_detect_temp;
 106         bool needs_tv_clock;
 107         void *dev_priv;
 108         void (*hot_plug)(struct intel_output *);
 109         int crtc_mask;
 110         int clone_mask;
 111 };
 112
 113 struct intel_crtc;
 114 struct intel_overlay {
 115         struct drm_device *dev;
 116         struct intel_crtc *crtc;
 117         struct drm_i915_gem_object *vid_bo;
 118         struct drm_i915_gem_object *old_vid_bo;
 119         int active;
 120         int pfit_active;
 121         u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
 122         u32 color_key;
 123         u32 brightness, contrast, saturation;
 124         u32 old_xscale, old_yscale;
 125         /* register access */
 126         u32 flip_addr;
 127         struct drm_i915_gem_object *reg_bo;
 128         void *virt_addr;
 129         /* flip handling */
 130         uint32_t last_flip_req;
 131         int hw_wedged;
 132 #define HW_WEDGED               1
 133 #define NEEDS_WAIT_FOR_FLIP     2
 134 #define RELEASE_OLD_VID         3
 135 #define SWITCH_OFF_STAGE_1      4
 136 #define SWITCH_OFF_STAGE_2      5
 137 };
 138
 139 struct intel_crtc {
 140         struct drm_crtc base;
 141         enum pipe pipe;
 142         enum plane plane;
 143         struct drm_gem_object *cursor_bo;
 144         uint32_t cursor_addr;
 145         u8 lut_r[256], lut_g[256], lut_b[256];
 146         int dpms_mode;
 147         bool busy; /* is scanout buffer being updated frequently? */
 148         struct timer_list idle_timer;
 149         bool lowfreq_avail;
 150         struct intel_overlay *overlay;
 151         struct intel_unpin_work *unpin_work;
 152 };
 153
 154 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
 155 #define to_intel_output(x) container_of(x, struct intel_output, base)
 156 #define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
 157 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
 158
 159 struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
 160                                      const char *name);
 161 void intel_i2c_destroy(struct i2c_adapter *adapter);
 162 int intel_ddc_get_modes(struct intel_output *intel_output);
 163 extern bool intel_ddc_probe(struct intel_output *intel_output);
 164 void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
 165 void intel_i2c_reset_gmbus(struct drm_device *dev);
 166
 167 extern void intel_crt_init(struct drm_device *dev);
 168 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
 169 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
 170 extern void intel_dvo_init(struct drm_device *dev);
 171 extern void intel_tv_init(struct drm_device *dev);
 172 extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
 173 extern void intel_lvds_init(struct drm_device *dev);
 174 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
 175 void
 176 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 177                  struct drm_display_mode *adjusted_mode);
 178 extern void intel_edp_link_config (struct intel_output *, int *, int *);
 179
 180
 181 extern int intel_panel_fitter_pipe (struct drm_device *dev);
 182 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
 183 extern void intel_encoder_prepare (struct drm_encoder *encoder);
 184 extern void intel_encoder_commit (struct drm_encoder *encoder);
 185
 186 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
 187
 188 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
 189                                                     struct drm_crtc *crtc);
 190 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
 191                                 struct drm_file *file_priv);
 192 extern void intel_wait_for_vblank(struct drm_device *dev);
 193 extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
 194 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
 195                                                    struct drm_display_mode *mode,
 196                                                    int *dpms_mode);
 197 extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
 198                                            int dpms_mode);
 199
 200 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
 201 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
 202 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
 203 extern int intelfb_probe(struct drm_device *dev);
 204 extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 205 extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
 206 extern void intelfb_restore(void);
 207 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 208                                     u16 blue, int regno);
 209 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 210                                     u16 *blue, int regno);
 211 extern void intel_init_clock_gating(struct drm_device *dev);
 212
 213 extern int intel_framebuffer_create(struct drm_device *dev,
 214                                     struct drm_mode_fb_cmd *mode_cmd,
 215                                     struct drm_framebuffer **fb,
 216                                     struct drm_gem_object *obj);
 217
 218 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
 219 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
 220
 221 extern void intel_setup_overlay(struct drm_device *dev);
 222 extern void intel_cleanup_overlay(struct drm_device *dev);
 223 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
 224 extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
 225                                                 int interruptible);
 226 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
 227                                    struct drm_file *file_priv);
 228 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
 229                                struct drm_file *file_priv);
 230 #endif /* __INTEL_DRV_H__ */