blob: 74db2557d6440ccc7b45e4f6cebf83d0ccb33751 [file] [log] [blame]
Jesse Barnes79e53942008-11-07 14:24:08 -08001/*
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>
Jesse Barnes80824002009-09-10 15:28:06 -070029#include "i915_drv.h"
Jesse Barnes79e53942008-11-07 14:24:08 -080030#include "drm_crtc.h"
Jesse Barnes79e53942008-11-07 14:24:08 -080031#include "drm_crtc_helper.h"
Chris Wilson37811fc2010-08-25 22:45:57 +010032#include "drm_fb_helper.h"
Chris Wilson913d8d12010-08-07 11:01:35 +010033
Chris Wilson481b6af2010-08-23 17:43:35 +010034#define _wait_for(COND, MS, W) ({ \
Chris Wilson913d8d12010-08-07 11:01:35 +010035 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 } \
Chris Wilson82d7c9e2010-08-07 12:16:25 +010042 if (W && !in_dbg_master()) msleep(W); \
Chris Wilson913d8d12010-08-07 11:01:35 +010043 } \
44 ret__; \
45})
46
Chris Wilson481b6af2010-08-23 17:43:35 +010047#define wait_for(COND, MS) _wait_for(COND, MS, 1)
48#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
49
Chris Wilsonec5da012010-09-12 13:34:08 +010050#define MSLEEP(x) do { \
51 if (in_dbg_master()) \
52 mdelay(x); \
53 else \
54 msleep(x); \
55} while(0)
56
Chris Wilson021357a2010-09-07 20:54:59 +010057#define KHz(x) (1000*x)
58#define MHz(x) KHz(1000*x)
59
Jesse Barnes79e53942008-11-07 14:24:08 -080060/*
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
Eric Anholt7d573822009-01-02 13:33:00 -080082#define INTEL_OUTPUT_HDMI 6
Keith Packarda4fc5ed2009-04-07 16:16:42 -070083#define INTEL_OUTPUT_DISPLAYPORT 7
Zhenyu Wang32f9d652009-07-24 01:00:32 +080084#define INTEL_OUTPUT_EDP 8
Jesse Barnes79e53942008-11-07 14:24:08 -080085
Ma Lingf8aed702009-08-24 13:50:24 +080086/* 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
Zhenyu Wang7c8460d2009-09-08 14:52:25 +0800103#define INTEL_EDP_CLONE_BIT 17
Ma Lingf8aed702009-08-24 13:50:24 +0800104
Jesse Barnes79e53942008-11-07 14:24:08 -0800105#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
Chris Wilson6c9547f2010-08-25 10:05:17 +0100110/* 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
Jesse Barnes79e53942008-11-07 14:24:08 -0800128struct intel_framebuffer {
129 struct drm_framebuffer base;
Chris Wilson05394f32010-11-08 19:18:58 +0000130 struct drm_i915_gem_object *obj;
Jesse Barnes79e53942008-11-07 14:24:08 -0800131};
132
Chris Wilson37811fc2010-08-25 22:45:57 +0100133struct 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};
Jesse Barnes79e53942008-11-07 14:24:08 -0800139
Eric Anholt21d40d32010-03-25 11:11:14 -0700140struct intel_encoder {
Chris Wilson4ef69c72010-09-09 15:14:28 +0100141 struct drm_encoder base;
Jesse Barnes79e53942008-11-07 14:24:08 -0800142 int type;
Jesse Barnes79e53942008-11-07 14:24:08 -0800143 bool load_detect_temp;
Jesse Barnese2f0ba92009-02-02 15:11:52 -0800144 bool needs_tv_clock;
Eric Anholt21d40d32010-03-25 11:11:14 -0700145 void (*hot_plug)(struct intel_encoder *);
Ma Lingf8aed702009-08-24 13:50:24 +0800146 int crtc_mask;
147 int clone_mask;
Jesse Barnes79e53942008-11-07 14:24:08 -0800148};
149
Zhenyu Wang5daa55e2010-03-30 14:39:28 +0800150struct intel_connector {
151 struct drm_connector base;
Chris Wilsondf0e9242010-09-09 16:20:55 +0100152 struct intel_encoder *encoder;
Zhenyu Wang5daa55e2010-03-30 14:39:28 +0800153};
154
Jesse Barnes79e53942008-11-07 14:24:08 -0800155struct intel_crtc {
156 struct drm_crtc base;
Jesse Barnes80824002009-09-10 15:28:06 -0700157 enum pipe pipe;
158 enum plane plane;
Jesse Barnes79e53942008-11-07 14:24:08 -0800159 u8 lut_r[256], lut_g[256], lut_b[256];
160 int dpms_mode;
Chris Wilsonf7abfe82010-09-13 14:19:16 +0100161 bool active; /* is the crtc on? independent of the dpms mode */
Jesse Barnes652c3932009-08-17 13:31:43 -0700162 bool busy; /* is scanout buffer being updated frequently? */
163 struct timer_list idle_timer;
164 bool lowfreq_avail;
Daniel Vetter02e792f2009-09-15 22:57:34 +0200165 struct intel_overlay *overlay;
Kristian Høgsberg6b95a202009-11-18 11:25:18 -0500166 struct intel_unpin_work *unpin_work;
Adam Jackson77ffb592010-04-12 11:38:44 -0400167 int fdi_lanes;
Chris Wilsoncda4b7d2010-07-09 08:45:04 +0100168
Chris Wilson05394f32010-11-08 19:18:58 +0000169 struct drm_i915_gem_object *cursor_bo;
Chris Wilsoncda4b7d2010-07-09 08:45:04 +0100170 uint32_t cursor_addr;
171 int16_t cursor_x, cursor_y;
172 int16_t cursor_width, cursor_height;
Chris Wilson6b383a72010-09-13 13:54:26 +0100173 bool cursor_visible;
Jesse Barnes79e53942008-11-07 14:24:08 -0800174};
175
176#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
Zhenyu Wang5daa55e2010-03-30 14:39:28 +0800177#define to_intel_connector(x) container_of(x, struct intel_connector, base)
Chris Wilson4ef69c72010-09-09 15:14:28 +0100178#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
Jesse Barnes79e53942008-11-07 14:24:08 -0800179#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
180
David Härdeman3c17fe42010-09-24 21:44:32 +0200181#define DIP_TYPE_AVI 0x82
182#define DIP_VERSION_AVI 0x2
183#define DIP_LEN_AVI 13
184
185struct 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 */
191 union {
192 struct {
193 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
194 uint8_t Y_A_B_S;
195 /* PB2 - C 7:6, M 5:4, R 3:0 */
196 uint8_t C_M_R;
197 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
198 uint8_t ITC_EC_Q_SC;
199 /* PB4 - VIC 6:0 */
200 uint8_t VIC;
201 /* PB5 - PR 3:0 */
202 uint8_t PR;
203 /* PB6 to PB13 */
204 uint16_t top_bar_end;
205 uint16_t bottom_bar_start;
206 uint16_t left_bar_end;
207 uint16_t right_bar_start;
208 } avi;
209 uint8_t payload[27];
210 } __attribute__ ((packed)) body;
211} __attribute__((packed));
212
Chris Wilsonf875c152010-09-09 15:44:14 +0100213static inline struct drm_crtc *
214intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
215{
216 struct drm_i915_private *dev_priv = dev->dev_private;
217 return dev_priv->pipe_to_crtc_mapping[pipe];
218}
219
Simon Farnsworth4e5359c2010-09-01 17:47:52 +0100220struct intel_unpin_work {
221 struct work_struct work;
222 struct drm_device *dev;
Chris Wilson05394f32010-11-08 19:18:58 +0000223 struct drm_i915_gem_object *old_fb_obj;
224 struct drm_i915_gem_object *pending_flip_obj;
Simon Farnsworth4e5359c2010-09-01 17:47:52 +0100225 struct drm_pending_vblank_event *event;
226 int pending;
227 bool enable_stall_check;
228};
229
Zhenyu Wang335af9a2010-03-30 14:39:31 +0800230int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
Chris Wilsonf899fc62010-07-20 15:44:45 -0700231extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
Eric Anholtf0217c42009-12-01 11:56:30 -0800232
Jesse Barnes79e53942008-11-07 14:24:08 -0800233extern void intel_crt_init(struct drm_device *dev);
Eric Anholt7d573822009-01-02 13:33:00 -0800234extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
David Härdeman3c17fe42010-09-24 21:44:32 +0200235void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
Eric Anholt7d573822009-01-02 13:33:00 -0800236extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
Jesse Barnes79e53942008-11-07 14:24:08 -0800237extern void intel_dvo_init(struct drm_device *dev);
238extern void intel_tv_init(struct drm_device *dev);
Chris Wilson05394f32010-11-08 19:18:58 +0000239extern void intel_mark_busy(struct drm_device *dev,
240 struct drm_i915_gem_object *obj);
Chris Wilsonc5d1b512010-11-29 18:00:23 +0000241extern bool intel_lvds_init(struct drm_device *dev);
Keith Packarda4fc5ed2009-04-07 16:16:42 -0700242extern void intel_dp_init(struct drm_device *dev, int dp_reg);
243void
244intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
245 struct drm_display_mode *adjusted_mode);
Adam Jacksoncb0953d2010-07-16 14:46:29 -0400246extern bool intel_dpd_is_edp(struct drm_device *dev);
Eric Anholt21d40d32010-03-25 11:11:14 -0700247extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
Jesse Barnes814948a2010-10-07 16:01:09 -0700248extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
Zhenyu Wang32f9d652009-07-24 01:00:32 +0800249
Chris Wilsona9573552010-08-22 13:18:16 +0100250/* intel_panel.c */
Chris Wilson1d8e1c72010-08-07 11:01:28 +0100251extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
252 struct drm_display_mode *adjusted_mode);
253extern void intel_pch_panel_fitting(struct drm_device *dev,
254 int fitting_mode,
255 struct drm_display_mode *mode,
256 struct drm_display_mode *adjusted_mode);
Chris Wilsona9573552010-08-22 13:18:16 +0100257extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
258extern u32 intel_panel_get_backlight(struct drm_device *dev);
259extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
Chris Wilson47356eb2011-01-11 17:06:04 +0000260extern void intel_panel_setup_backlight(struct drm_device *dev);
261extern void intel_panel_enable_backlight(struct drm_device *dev);
262extern void intel_panel_disable_backlight(struct drm_device *dev);
Chris Wilson1d8e1c72010-08-07 11:01:28 +0100263
Jesse Barnes79e53942008-11-07 14:24:08 -0800264extern void intel_crtc_load_lut(struct drm_crtc *crtc);
265extern void intel_encoder_prepare (struct drm_encoder *encoder);
266extern void intel_encoder_commit (struct drm_encoder *encoder);
Chris Wilsonea5b2132010-08-04 13:50:23 +0100267extern void intel_encoder_destroy(struct drm_encoder *encoder);
Jesse Barnes79e53942008-11-07 14:24:08 -0800268
Chris Wilsondf0e9242010-09-09 16:20:55 +0100269static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
270{
271 return to_intel_connector(connector)->encoder;
272}
273
274extern void intel_connector_attach_encoder(struct intel_connector *connector,
275 struct intel_encoder *encoder);
276extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
Jesse Barnes79e53942008-11-07 14:24:08 -0800277
278extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
279 struct drm_crtc *crtc);
Carl Worth08d7b3d2009-04-29 14:43:54 -0700280int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
281 struct drm_file *file_priv);
Jesse Barnes9d0498a2010-08-18 13:20:54 -0700282extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
Chris Wilson58e10eb2010-10-03 10:56:11 +0100283extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
Eric Anholt21d40d32010-03-25 11:11:14 -0700284extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
Zhenyu Wangc1c43972010-03-30 14:39:30 +0800285 struct drm_connector *connector,
Jesse Barnes79e53942008-11-07 14:24:08 -0800286 struct drm_display_mode *mode,
287 int *dpms_mode);
Eric Anholt21d40d32010-03-25 11:11:14 -0700288extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
Zhenyu Wangc1c43972010-03-30 14:39:30 +0800289 struct drm_connector *connector,
Jesse Barnes79e53942008-11-07 14:24:08 -0800290 int dpms_mode);
291
292extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
293extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
294extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
Jesse Barnes79e53942008-11-07 14:24:08 -0800295extern void intelfb_restore(void);
296extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
297 u16 blue, int regno);
Dave Airlieb8c00ac2009-10-06 13:54:01 +1000298extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
299 u16 *blue, int regno);
Chris Wilson0cdab212010-12-05 17:27:06 +0000300extern void intel_enable_clock_gating(struct drm_device *dev);
301extern void intel_disable_clock_gating(struct drm_device *dev);
Jesse Barnesf97108d2010-01-29 11:27:07 -0800302extern void ironlake_enable_drps(struct drm_device *dev);
303extern void ironlake_disable_drps(struct drm_device *dev);
Jesse Barnes3b8d8d92010-12-17 14:19:02 -0800304extern void gen6_enable_rps(struct drm_i915_private *dev_priv);
305extern void gen6_disable_rps(struct drm_device *dev);
Kyle McMartin48fcfc82010-11-03 16:27:57 -0400306extern void intel_init_emon(struct drm_device *dev);
Jesse Barnes79e53942008-11-07 14:24:08 -0800307
Chris Wilson127bd2a2010-07-23 23:32:05 +0100308extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
Chris Wilson05394f32010-11-08 19:18:58 +0000309 struct drm_i915_gem_object *obj,
Chris Wilson919926a2010-11-12 13:42:53 +0000310 struct intel_ring_buffer *pipelined);
Chris Wilson127bd2a2010-07-23 23:32:05 +0100311
Dave Airlie38651672010-03-30 05:34:13 +0000312extern int intel_framebuffer_init(struct drm_device *dev,
313 struct intel_framebuffer *ifb,
314 struct drm_mode_fb_cmd *mode_cmd,
Chris Wilson05394f32010-11-08 19:18:58 +0000315 struct drm_i915_gem_object *obj);
Dave Airlie38651672010-03-30 05:34:13 +0000316extern int intel_fbdev_init(struct drm_device *dev);
317extern void intel_fbdev_fini(struct drm_device *dev);
Dave Airlie28d52042009-09-21 14:33:58 +1000318
Kristian Høgsberg6b95a202009-11-18 11:25:18 -0500319extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
320extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
Jesse Barnes1afe3e92010-03-26 10:35:20 -0700321extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
Kristian Høgsberg6b95a202009-11-18 11:25:18 -0500322
Daniel Vetter02e792f2009-09-15 22:57:34 +0200323extern void intel_setup_overlay(struct drm_device *dev);
324extern void intel_cleanup_overlay(struct drm_device *dev);
Chris Wilson5dcdbcb2010-08-12 13:50:28 +0100325extern int intel_overlay_switch_off(struct intel_overlay *overlay,
326 bool interruptible);
Daniel Vetter02e792f2009-09-15 22:57:34 +0200327extern int intel_overlay_put_image(struct drm_device *dev, void *data,
328 struct drm_file *file_priv);
329extern int intel_overlay_attrs(struct drm_device *dev, void *data,
330 struct drm_file *file_priv);
Dave Airlie4abe3522010-03-30 05:34:18 +0000331
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000332extern void intel_fb_output_poll_changed(struct drm_device *dev);
Jesse Barnes79e53942008-11-07 14:24:08 -0800333#endif /* __INTEL_DRV_H__ */