2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
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:
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
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
25 #ifndef __INTEL_DRV_H__
26 #define __INTEL_DRV_H__
28 #include <linux/i2c.h>
29 #include <linux/i2c-id.h>
30 #include <linux/i2c-algo-bit.h>
33 #include "drm_crtc_helper.h"
34 #include "drm_fb_helper.h"
36 #define _wait_for(COND, MS, W) ({ \
37 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
40 if (time_after(jiffies, timeout__)) { \
44 if (W && !in_dbg_master()) msleep(W); \
49 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
50 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
52 #define MSLEEP(x) do { \
53 if (in_dbg_master()) \
59 #define KHz(x) (1000*x)
60 #define MHz(x) KHz(1000*x)
63 * Display related stuff
66 /* store information about an Ixxx DVO */
67 /* The i830->i865 use multiple DVOs with multiple i2cs */
68 /* the i915, i945 have a single sDVO i2c bus - which is different */
70 /* maximum connectors per crtcs in the mode set */
71 #define INTELFB_CONN_LIMIT 4
73 #define INTEL_I2C_BUS_DVO 1
74 #define INTEL_I2C_BUS_SDVO 2
76 /* these are outputs from the chip - integrated only
77 external chips are via DVO or SDVO output */
78 #define INTEL_OUTPUT_UNUSED 0
79 #define INTEL_OUTPUT_ANALOG 1
80 #define INTEL_OUTPUT_DVO 2
81 #define INTEL_OUTPUT_SDVO 3
82 #define INTEL_OUTPUT_LVDS 4
83 #define INTEL_OUTPUT_TVOUT 5
84 #define INTEL_OUTPUT_HDMI 6
85 #define INTEL_OUTPUT_DISPLAYPORT 7
86 #define INTEL_OUTPUT_EDP 8
88 /* Intel Pipe Clone Bit */
89 #define INTEL_HDMIB_CLONE_BIT 1
90 #define INTEL_HDMIC_CLONE_BIT 2
91 #define INTEL_HDMID_CLONE_BIT 3
92 #define INTEL_HDMIE_CLONE_BIT 4
93 #define INTEL_HDMIF_CLONE_BIT 5
94 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
95 #define INTEL_SDVO_TV_CLONE_BIT 7
96 #define INTEL_SDVO_LVDS_CLONE_BIT 8
97 #define INTEL_ANALOG_CLONE_BIT 9
98 #define INTEL_TV_CLONE_BIT 10
99 #define INTEL_DP_B_CLONE_BIT 11
100 #define INTEL_DP_C_CLONE_BIT 12
101 #define INTEL_DP_D_CLONE_BIT 13
102 #define INTEL_LVDS_CLONE_BIT 14
103 #define INTEL_DVO_TMDS_CLONE_BIT 15
104 #define INTEL_DVO_LVDS_CLONE_BIT 16
105 #define INTEL_EDP_CLONE_BIT 17
107 #define INTEL_DVO_CHIP_NONE 0
108 #define INTEL_DVO_CHIP_LVDS 1
109 #define INTEL_DVO_CHIP_TMDS 2
110 #define INTEL_DVO_CHIP_TVOUT 4
112 /* drm_display_mode->private_flags */
113 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
114 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
117 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
120 mode->clock *= multiplier;
121 mode->private_flags |= multiplier;
125 intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
127 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
130 struct intel_i2c_chan {
131 struct intel_encoder *encoder;
132 u32 reg; /* GPIO reg */
133 struct i2c_adapter adapter;
134 struct i2c_algo_bit_data algo;
137 struct intel_framebuffer {
138 struct drm_framebuffer base;
139 struct drm_gem_object *obj;
143 struct drm_fb_helper helper;
144 struct intel_framebuffer ifb;
145 struct list_head fbdev_list;
146 struct drm_display_mode *our_mode;
149 struct intel_encoder {
150 struct drm_encoder base;
152 struct i2c_adapter *i2c_bus;
153 struct i2c_adapter *ddc_bus;
154 bool load_detect_temp;
156 void (*hot_plug)(struct intel_encoder *);
161 struct intel_connector {
162 struct drm_connector base;
163 struct intel_encoder *encoder;
167 struct drm_crtc base;
170 u8 lut_r[256], lut_g[256], lut_b[256];
172 bool active; /* is the crtc on? independent of the dpms mode */
173 bool busy; /* is scanout buffer being updated frequently? */
174 struct timer_list idle_timer;
176 struct intel_overlay *overlay;
177 struct intel_unpin_work *unpin_work;
180 struct drm_gem_object *cursor_bo;
181 uint32_t cursor_addr;
182 int16_t cursor_x, cursor_y;
183 int16_t cursor_width, cursor_height;
187 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
188 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
189 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
190 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
192 static inline struct drm_crtc *
193 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
195 struct drm_i915_private *dev_priv = dev->dev_private;
196 return dev_priv->pipe_to_crtc_mapping[pipe];
199 struct intel_unpin_work {
200 struct work_struct work;
201 struct drm_device *dev;
202 struct drm_gem_object *old_fb_obj;
203 struct drm_gem_object *pending_flip_obj;
204 struct drm_pending_vblank_event *event;
206 bool enable_stall_check;
209 struct i2c_adapter *intel_i2c_create(struct intel_encoder *encoder,
212 void intel_i2c_destroy(struct i2c_adapter *adapter);
213 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
214 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder);
215 void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
216 void intel_i2c_reset_gmbus(struct drm_device *dev);
218 extern void intel_crt_init(struct drm_device *dev);
219 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
220 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
221 extern void intel_dvo_init(struct drm_device *dev);
222 extern void intel_tv_init(struct drm_device *dev);
223 extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
224 extern void intel_lvds_init(struct drm_device *dev);
225 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
227 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
228 struct drm_display_mode *adjusted_mode);
229 extern bool intel_pch_has_edp(struct drm_crtc *crtc);
230 extern bool intel_dpd_is_edp(struct drm_device *dev);
231 extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
234 extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
235 struct drm_display_mode *adjusted_mode);
236 extern void intel_pch_panel_fitting(struct drm_device *dev,
238 struct drm_display_mode *mode,
239 struct drm_display_mode *adjusted_mode);
240 extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
241 extern u32 intel_panel_get_backlight(struct drm_device *dev);
242 extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
244 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
245 extern void intel_encoder_prepare (struct drm_encoder *encoder);
246 extern void intel_encoder_commit (struct drm_encoder *encoder);
247 extern void intel_encoder_destroy(struct drm_encoder *encoder);
249 static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
251 return to_intel_connector(connector)->encoder;
254 extern void intel_connector_attach_encoder(struct intel_connector *connector,
255 struct intel_encoder *encoder);
256 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
258 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
259 struct drm_crtc *crtc);
260 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
261 struct drm_file *file_priv);
262 extern void intel_wait_for_vblank_off(struct drm_device *dev, int pipe);
263 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
264 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
265 struct drm_connector *connector,
266 struct drm_display_mode *mode,
268 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
269 struct drm_connector *connector,
272 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
273 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
274 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
275 extern void intelfb_restore(void);
276 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
277 u16 blue, int regno);
278 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
279 u16 *blue, int regno);
280 extern void intel_init_clock_gating(struct drm_device *dev);
281 extern void ironlake_enable_drps(struct drm_device *dev);
282 extern void ironlake_disable_drps(struct drm_device *dev);
284 extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
285 struct drm_gem_object *obj,
288 extern int intel_framebuffer_init(struct drm_device *dev,
289 struct intel_framebuffer *ifb,
290 struct drm_mode_fb_cmd *mode_cmd,
291 struct drm_gem_object *obj);
292 extern int intel_fbdev_init(struct drm_device *dev);
293 extern void intel_fbdev_fini(struct drm_device *dev);
295 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
296 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
297 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
299 extern void intel_setup_overlay(struct drm_device *dev);
300 extern void intel_cleanup_overlay(struct drm_device *dev);
301 extern int intel_overlay_switch_off(struct intel_overlay *overlay,
303 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
304 struct drm_file *file_priv);
305 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
306 struct drm_file *file_priv);
308 extern void intel_fb_output_poll_changed(struct drm_device *dev);
309 #endif /* __INTEL_DRV_H__ */