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>
31 #include "drm_crtc_helper.h"
32 #include "drm_fb_helper.h"
34 #define _wait_for(COND, MS, W) ({ \
35 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
38 if (time_after(jiffies, timeout__)) { \
42 if (W && !in_dbg_master()) msleep(W); \
47 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
48 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
50 #define MSLEEP(x) do { \
51 if (in_dbg_master()) \
57 #define KHz(x) (1000*x)
58 #define MHz(x) KHz(1000*x)
61 * Display related stuff
64 /* store information about an Ixxx DVO */
65 /* The i830->i865 use multiple DVOs with multiple i2cs */
66 /* the i915, i945 have a single sDVO i2c bus - which is different */
68 /* maximum connectors per crtcs in the mode set */
69 #define INTELFB_CONN_LIMIT 4
71 #define INTEL_I2C_BUS_DVO 1
72 #define INTEL_I2C_BUS_SDVO 2
74 /* these are outputs from the chip - integrated only
75 external chips are via DVO or SDVO output */
76 #define INTEL_OUTPUT_UNUSED 0
77 #define INTEL_OUTPUT_ANALOG 1
78 #define INTEL_OUTPUT_DVO 2
79 #define INTEL_OUTPUT_SDVO 3
80 #define INTEL_OUTPUT_LVDS 4
81 #define INTEL_OUTPUT_TVOUT 5
82 #define INTEL_OUTPUT_HDMI 6
83 #define INTEL_OUTPUT_DISPLAYPORT 7
84 #define INTEL_OUTPUT_EDP 8
86 /* Intel Pipe Clone Bit */
87 #define INTEL_HDMIB_CLONE_BIT 1
88 #define INTEL_HDMIC_CLONE_BIT 2
89 #define INTEL_HDMID_CLONE_BIT 3
90 #define INTEL_HDMIE_CLONE_BIT 4
91 #define INTEL_HDMIF_CLONE_BIT 5
92 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
93 #define INTEL_SDVO_TV_CLONE_BIT 7
94 #define INTEL_SDVO_LVDS_CLONE_BIT 8
95 #define INTEL_ANALOG_CLONE_BIT 9
96 #define INTEL_TV_CLONE_BIT 10
97 #define INTEL_DP_B_CLONE_BIT 11
98 #define INTEL_DP_C_CLONE_BIT 12
99 #define INTEL_DP_D_CLONE_BIT 13
100 #define INTEL_LVDS_CLONE_BIT 14
101 #define INTEL_DVO_TMDS_CLONE_BIT 15
102 #define INTEL_DVO_LVDS_CLONE_BIT 16
103 #define INTEL_EDP_CLONE_BIT 17
105 #define INTEL_DVO_CHIP_NONE 0
106 #define INTEL_DVO_CHIP_LVDS 1
107 #define INTEL_DVO_CHIP_TMDS 2
108 #define INTEL_DVO_CHIP_TVOUT 4
110 /* drm_display_mode->private_flags */
111 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
112 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
115 intel_mode_set_pixel_multiplier(struct drm_display_mode
*mode
,
118 mode
->clock
*= multiplier
;
119 mode
->private_flags
|= multiplier
;
123 intel_mode_get_pixel_multiplier(const struct drm_display_mode
*mode
)
125 return (mode
->private_flags
& INTEL_MODE_PIXEL_MULTIPLIER_MASK
) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT
;
128 struct intel_framebuffer
{
129 struct drm_framebuffer base
;
130 struct drm_i915_gem_object
*obj
;
134 struct drm_fb_helper helper
;
135 struct intel_framebuffer ifb
;
136 struct list_head fbdev_list
;
137 struct drm_display_mode
*our_mode
;
140 struct intel_encoder
{
141 struct drm_encoder base
;
143 bool load_detect_temp
;
145 void (*hot_plug
)(struct intel_encoder
*);
150 struct intel_connector
{
151 struct drm_connector base
;
152 struct intel_encoder
*encoder
;
156 struct drm_crtc base
;
159 u8 lut_r
[256], lut_g
[256], lut_b
[256];
161 bool active
; /* is the crtc on? independent of the dpms mode */
162 bool busy
; /* is scanout buffer being updated frequently? */
163 struct timer_list idle_timer
;
165 struct intel_overlay
*overlay
;
166 struct intel_unpin_work
*unpin_work
;
169 struct drm_i915_gem_object
*cursor_bo
;
170 uint32_t cursor_addr
;
171 int16_t cursor_x
, cursor_y
;
172 int16_t cursor_width
, cursor_height
;
176 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
177 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
178 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
179 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
181 #define DIP_TYPE_AVI 0x82
182 #define DIP_VERSION_AVI 0x2
183 #define DIP_LEN_AVI 13
185 struct dip_infoframe
{
186 uint8_t type
; /* HB0 */
187 uint8_t ver
; /* HB1 */
188 uint8_t len
; /* HB2 - body len, not including checksum */
189 uint8_t ecc
; /* Header ECC */
190 uint8_t checksum
; /* PB0 */
193 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
195 /* PB2 - C 7:6, M 5:4, R 3:0 */
197 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
204 uint16_t top_bar_end
;
205 uint16_t bottom_bar_start
;
206 uint16_t left_bar_end
;
207 uint16_t right_bar_start
;
210 } __attribute__ ((packed
)) body
;
211 } __attribute__((packed
));
213 static inline struct drm_crtc
*
214 intel_get_crtc_for_pipe(struct drm_device
*dev
, int pipe
)
216 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
217 return dev_priv
->pipe_to_crtc_mapping
[pipe
];
220 struct intel_unpin_work
{
221 struct work_struct work
;
222 struct drm_device
*dev
;
223 struct drm_i915_gem_object
*old_fb_obj
;
224 struct drm_i915_gem_object
*pending_flip_obj
;
225 struct drm_pending_vblank_event
*event
;
227 bool enable_stall_check
;
230 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
231 extern bool intel_ddc_probe(struct intel_encoder
*intel_encoder
, int ddc_bus
);
233 extern void intel_crt_init(struct drm_device
*dev
);
234 extern void intel_hdmi_init(struct drm_device
*dev
, int sdvox_reg
);
235 void intel_dip_infoframe_csum(struct dip_infoframe
*avi_if
);
236 extern bool intel_sdvo_init(struct drm_device
*dev
, int output_device
);
237 extern void intel_dvo_init(struct drm_device
*dev
);
238 extern void intel_tv_init(struct drm_device
*dev
);
239 extern void intel_mark_busy(struct drm_device
*dev
,
240 struct drm_i915_gem_object
*obj
);
241 extern bool intel_lvds_init(struct drm_device
*dev
);
242 extern void intel_dp_init(struct drm_device
*dev
, int dp_reg
);
244 intel_dp_set_m_n(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
245 struct drm_display_mode
*adjusted_mode
);
246 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
247 extern void intel_edp_link_config (struct intel_encoder
*, int *, int *);
248 extern bool intel_encoder_is_pch_edp(struct drm_encoder
*encoder
);
251 extern void intel_fixed_panel_mode(struct drm_display_mode
*fixed_mode
,
252 struct drm_display_mode
*adjusted_mode
);
253 extern void intel_pch_panel_fitting(struct drm_device
*dev
,
255 struct drm_display_mode
*mode
,
256 struct drm_display_mode
*adjusted_mode
);
257 extern u32
intel_panel_get_max_backlight(struct drm_device
*dev
);
258 extern u32
intel_panel_get_backlight(struct drm_device
*dev
);
259 extern void intel_panel_set_backlight(struct drm_device
*dev
, u32 level
);
260 extern void intel_panel_setup_backlight(struct drm_device
*dev
);
261 extern void intel_panel_enable_backlight(struct drm_device
*dev
);
262 extern void intel_panel_disable_backlight(struct drm_device
*dev
);
264 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
265 extern void intel_encoder_prepare (struct drm_encoder
*encoder
);
266 extern void intel_encoder_commit (struct drm_encoder
*encoder
);
267 extern void intel_encoder_destroy(struct drm_encoder
*encoder
);
269 static inline struct intel_encoder
*intel_attached_encoder(struct drm_connector
*connector
)
271 return to_intel_connector(connector
)->encoder
;
274 extern void intel_connector_attach_encoder(struct intel_connector
*connector
,
275 struct intel_encoder
*encoder
);
276 extern struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
278 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
279 struct drm_crtc
*crtc
);
280 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
281 struct drm_file
*file_priv
);
282 extern void intel_wait_for_vblank(struct drm_device
*dev
, int pipe
);
283 extern void intel_wait_for_pipe_off(struct drm_device
*dev
, int pipe
);
284 extern struct drm_crtc
*intel_get_load_detect_pipe(struct intel_encoder
*intel_encoder
,
285 struct drm_connector
*connector
,
286 struct drm_display_mode
*mode
,
288 extern void intel_release_load_detect_pipe(struct intel_encoder
*intel_encoder
,
289 struct drm_connector
*connector
,
292 extern struct drm_connector
* intel_sdvo_find(struct drm_device
*dev
, int sdvoB
);
293 extern int intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
294 extern void intel_sdvo_set_hotplug(struct drm_connector
*connector
, int enable
);
295 extern void intelfb_restore(void);
296 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
297 u16 blue
, int regno
);
298 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
299 u16
*blue
, int regno
);
300 extern void intel_enable_clock_gating(struct drm_device
*dev
);
301 extern void intel_disable_clock_gating(struct drm_device
*dev
);
302 extern void ironlake_enable_drps(struct drm_device
*dev
);
303 extern void ironlake_disable_drps(struct drm_device
*dev
);
304 extern void gen6_enable_rps(struct drm_i915_private
*dev_priv
);
305 extern void gen6_disable_rps(struct drm_device
*dev
);
306 extern void intel_init_emon(struct drm_device
*dev
);
308 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
309 struct drm_i915_gem_object
*obj
,
310 struct intel_ring_buffer
*pipelined
);
312 extern int intel_framebuffer_init(struct drm_device
*dev
,
313 struct intel_framebuffer
*ifb
,
314 struct drm_mode_fb_cmd
*mode_cmd
,
315 struct drm_i915_gem_object
*obj
);
316 extern int intel_fbdev_init(struct drm_device
*dev
);
317 extern void intel_fbdev_fini(struct drm_device
*dev
);
319 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
320 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
321 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
323 extern void intel_setup_overlay(struct drm_device
*dev
);
324 extern void intel_cleanup_overlay(struct drm_device
*dev
);
325 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
,
327 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
328 struct drm_file
*file_priv
);
329 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
330 struct drm_file
*file_priv
);
332 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
333 #endif /* __INTEL_DRV_H__ */