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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 "i915_drv.h"
30#include "drm_crtc.h"
31#include "drm_crtc_helper.h"
32#include "drm_fb_helper.h"
33
34#define _wait_for(COND, MS, W) ({ \
35 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
36 int ret__ = 0; \
37 while (! (COND)) { \
38 if (time_after(jiffies, timeout__)) { \
39 ret__ = -ETIMEDOUT; \
40 break; \
41 } \
42 if (W && !(in_atomic() || in_dbg_master())) msleep(W); \
43 } \
44 ret__; \
45})
46
47#define wait_for(COND, MS) _wait_for(COND, MS, 1)
48#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
49
50#define MSLEEP(x) do { \
51 if (in_dbg_master()) \
52 mdelay(x); \
53 else \
54 msleep(x); \
55} while(0)
56
57#define KHz(x) (1000*x)
58#define MHz(x) KHz(1000*x)
59
60/*
61 * Display related stuff
62 */
63
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 */
67#define MAX_OUTPUTS 6
68/* maximum connectors per crtcs in the mode set */
69#define INTELFB_CONN_LIMIT 4
70
71#define INTEL_I2C_BUS_DVO 1
72#define INTEL_I2C_BUS_SDVO 2
73
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
85
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
104
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
109
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)
113
114static inline void
115intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
116 int multiplier)
117{
118 mode->clock *= multiplier;
119 mode->private_flags |= multiplier;
120}
121
122static inline int
123intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
124{
125 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
126}
127
128struct intel_framebuffer {
129 struct drm_framebuffer base;
130 struct drm_i915_gem_object *obj;
131};
132
133struct intel_fbdev {
134 struct drm_fb_helper helper;
135 struct intel_framebuffer ifb;
136 struct list_head fbdev_list;
137 struct drm_display_mode *our_mode;
138};
139
140struct intel_encoder {
141 struct drm_encoder base;
142 int type;
143 bool needs_tv_clock;
144 void (*hot_plug)(struct intel_encoder *);
145 int crtc_mask;
146 int clone_mask;
147};
148
149struct intel_connector {
150 struct drm_connector base;
151 struct intel_encoder *encoder;
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 active; /* is the crtc on? independent of the dpms mode */
161 bool busy; /* is scanout buffer being updated frequently? */
162 struct timer_list idle_timer;
163 bool lowfreq_avail;
164 struct intel_overlay *overlay;
165 struct intel_unpin_work *unpin_work;
166 int fdi_lanes;
167
168 struct drm_i915_gem_object *cursor_bo;
169 uint32_t cursor_addr;
170 int16_t cursor_x, cursor_y;
171 int16_t cursor_width, cursor_height;
172 bool cursor_visible;
173 unsigned int bpp;
174};
175
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)
180
181#define DIP_HEADER_SIZE 5
182
183#define DIP_TYPE_AVI 0x82
184#define DIP_VERSION_AVI 0x2
185#define DIP_LEN_AVI 13
186
187#define DIP_TYPE_SPD 0x3
188#define DIP_VERSION_SPD 0x1
189#define DIP_LEN_SPD 25
190#define DIP_SPD_UNKNOWN 0
191#define DIP_SPD_DSTB 0x1
192#define DIP_SPD_DVDP 0x2
193#define DIP_SPD_DVHS 0x3
194#define DIP_SPD_HDDVR 0x4
195#define DIP_SPD_DVC 0x5
196#define DIP_SPD_DSC 0x6
197#define DIP_SPD_VCD 0x7
198#define DIP_SPD_GAME 0x8
199#define DIP_SPD_PC 0x9
200#define DIP_SPD_BD 0xa
201#define DIP_SPD_SCD 0xb
202
203struct dip_infoframe {
204 uint8_t type; /* HB0 */
205 uint8_t ver; /* HB1 */
206 uint8_t len; /* HB2 - body len, not including checksum */
207 uint8_t ecc; /* Header ECC */
208 uint8_t checksum; /* PB0 */
209 union {
210 struct {
211 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
212 uint8_t Y_A_B_S;
213 /* PB2 - C 7:6, M 5:4, R 3:0 */
214 uint8_t C_M_R;
215 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
216 uint8_t ITC_EC_Q_SC;
217 /* PB4 - VIC 6:0 */
218 uint8_t VIC;
219 /* PB5 - PR 3:0 */
220 uint8_t PR;
221 /* PB6 to PB13 */
222 uint16_t top_bar_end;
223 uint16_t bottom_bar_start;
224 uint16_t left_bar_end;
225 uint16_t right_bar_start;
226 } avi;
227 struct {
228 uint8_t vn[8];
229 uint8_t pd[16];
230 uint8_t sdi;
231 } spd;
232 uint8_t payload[27];
233 } __attribute__ ((packed)) body;
234} __attribute__((packed));
235
236static inline struct drm_crtc *
237intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
238{
239 struct drm_i915_private *dev_priv = dev->dev_private;
240 return dev_priv->pipe_to_crtc_mapping[pipe];
241}
242
243static inline struct drm_crtc *
244intel_get_crtc_for_plane(struct drm_device *dev, int plane)
245{
246 struct drm_i915_private *dev_priv = dev->dev_private;
247 return dev_priv->plane_to_crtc_mapping[plane];
248}
249
250struct intel_unpin_work {
251 struct work_struct work;
252 struct drm_device *dev;
253 struct drm_i915_gem_object *old_fb_obj;
254 struct drm_i915_gem_object *pending_flip_obj;
255 struct drm_pending_vblank_event *event;
256 int pending;
257 bool enable_stall_check;
258};
259
260struct intel_fbc_work {
261 struct delayed_work work;
262 struct drm_crtc *crtc;
263 struct drm_framebuffer *fb;
264 int interval;
265};
266
267int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
268extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
269
270extern void intel_attach_force_audio_property(struct drm_connector *connector);
271extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
272
273extern void intel_crt_init(struct drm_device *dev);
274extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
275void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
276extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
277extern void intel_dvo_init(struct drm_device *dev);
278extern void intel_tv_init(struct drm_device *dev);
279extern void intel_mark_busy(struct drm_device *dev,
280 struct drm_i915_gem_object *obj);
281extern bool intel_lvds_init(struct drm_device *dev);
282extern void intel_dp_init(struct drm_device *dev, int dp_reg);
283void
284intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
285 struct drm_display_mode *adjusted_mode);
286extern bool intel_dpd_is_edp(struct drm_device *dev);
287extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
288extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
289
290/* intel_panel.c */
291extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
292 struct drm_display_mode *adjusted_mode);
293extern void intel_pch_panel_fitting(struct drm_device *dev,
294 int fitting_mode,
295 struct drm_display_mode *mode,
296 struct drm_display_mode *adjusted_mode);
297extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
298extern u32 intel_panel_get_backlight(struct drm_device *dev);
299extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
300extern int intel_panel_setup_backlight(struct drm_device *dev);
301extern void intel_panel_enable_backlight(struct drm_device *dev);
302extern void intel_panel_disable_backlight(struct drm_device *dev);
303extern void intel_panel_destroy_backlight(struct drm_device *dev);
304extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
305
306extern void intel_crtc_load_lut(struct drm_crtc *crtc);
307extern void intel_encoder_prepare (struct drm_encoder *encoder);
308extern void intel_encoder_commit (struct drm_encoder *encoder);
309extern void intel_encoder_destroy(struct drm_encoder *encoder);
310
311static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
312{
313 return to_intel_connector(connector)->encoder;
314}
315
316extern void intel_connector_attach_encoder(struct intel_connector *connector,
317 struct intel_encoder *encoder);
318extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
319
320extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
321 struct drm_crtc *crtc);
322int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
323 struct drm_file *file_priv);
324extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
325extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
326
327struct intel_load_detect_pipe {
328 struct drm_framebuffer *release_fb;
329 bool load_detect_temp;
330 int dpms_mode;
331};
332extern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
333 struct drm_connector *connector,
334 struct drm_display_mode *mode,
335 struct intel_load_detect_pipe *old);
336extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
337 struct drm_connector *connector,
338 struct intel_load_detect_pipe *old);
339
340extern void intelfb_restore(void);
341extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
342 u16 blue, int regno);
343extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
344 u16 *blue, int regno);
345extern void intel_enable_clock_gating(struct drm_device *dev);
346extern void ironlake_enable_drps(struct drm_device *dev);
347extern void ironlake_disable_drps(struct drm_device *dev);
348extern void gen6_enable_rps(struct drm_i915_private *dev_priv);
349extern void gen6_update_ring_freq(struct drm_i915_private *dev_priv);
350extern void gen6_disable_rps(struct drm_device *dev);
351extern void intel_init_emon(struct drm_device *dev);
352
353extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
354 struct drm_i915_gem_object *obj,
355 struct intel_ring_buffer *pipelined);
356
357extern int intel_framebuffer_init(struct drm_device *dev,
358 struct intel_framebuffer *ifb,
359 struct drm_mode_fb_cmd *mode_cmd,
360 struct drm_i915_gem_object *obj);
361extern int intel_fbdev_init(struct drm_device *dev);
362extern void intel_fbdev_fini(struct drm_device *dev);
363
364extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
365extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
366extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
367
368extern void intel_setup_overlay(struct drm_device *dev);
369extern void intel_cleanup_overlay(struct drm_device *dev);
370extern int intel_overlay_switch_off(struct intel_overlay *overlay);
371extern int intel_overlay_put_image(struct drm_device *dev, void *data,
372 struct drm_file *file_priv);
373extern int intel_overlay_attrs(struct drm_device *dev, void *data,
374 struct drm_file *file_priv);
375
376extern void intel_fb_output_poll_changed(struct drm_device *dev);
377extern void intel_fb_restore_mode(struct drm_device *dev);
378
379extern void intel_init_clock_gating(struct drm_device *dev);
380#endif /* __INTEL_DRV_H__ */