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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>
29#include <linux/i2c-id.h>
30#include <linux/i2c-algo-bit.h>
Jesse Barnes80824002009-09-10 15:28:06 -070031#include "i915_drv.h"
Jesse Barnes79e53942008-11-07 14:24:08 -080032#include "drm_crtc.h"
33
34#include "drm_crtc_helper.h"
Chris Wilson913d8d12010-08-07 11:01:35 +010035
Chris Wilson481b6af2010-08-23 17:43:35 +010036#define _wait_for(COND, MS, W) ({ \
Chris Wilson913d8d12010-08-07 11:01:35 +010037 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
38 int ret__ = 0; \
39 while (! (COND)) { \
40 if (time_after(jiffies, timeout__)) { \
41 ret__ = -ETIMEDOUT; \
42 break; \
43 } \
Chris Wilson82d7c9e2010-08-07 12:16:25 +010044 if (W && !in_dbg_master()) msleep(W); \
Chris Wilson913d8d12010-08-07 11:01:35 +010045 } \
46 ret__; \
47})
48
Chris Wilson481b6af2010-08-23 17:43:35 +010049#define wait_for(COND, MS) _wait_for(COND, MS, 1)
50#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
51
Jesse Barnes79e53942008-11-07 14:24:08 -080052/*
53 * Display related stuff
54 */
55
56/* store information about an Ixxx DVO */
57/* The i830->i865 use multiple DVOs with multiple i2cs */
58/* the i915, i945 have a single sDVO i2c bus - which is different */
59#define MAX_OUTPUTS 6
60/* maximum connectors per crtcs in the mode set */
61#define INTELFB_CONN_LIMIT 4
62
63#define INTEL_I2C_BUS_DVO 1
64#define INTEL_I2C_BUS_SDVO 2
65
66/* these are outputs from the chip - integrated only
67 external chips are via DVO or SDVO output */
68#define INTEL_OUTPUT_UNUSED 0
69#define INTEL_OUTPUT_ANALOG 1
70#define INTEL_OUTPUT_DVO 2
71#define INTEL_OUTPUT_SDVO 3
72#define INTEL_OUTPUT_LVDS 4
73#define INTEL_OUTPUT_TVOUT 5
Eric Anholt7d573822009-01-02 13:33:00 -080074#define INTEL_OUTPUT_HDMI 6
Keith Packarda4fc5ed2009-04-07 16:16:42 -070075#define INTEL_OUTPUT_DISPLAYPORT 7
Zhenyu Wang32f9d652009-07-24 01:00:32 +080076#define INTEL_OUTPUT_EDP 8
Jesse Barnes79e53942008-11-07 14:24:08 -080077
Ma Lingf8aed702009-08-24 13:50:24 +080078/* Intel Pipe Clone Bit */
79#define INTEL_HDMIB_CLONE_BIT 1
80#define INTEL_HDMIC_CLONE_BIT 2
81#define INTEL_HDMID_CLONE_BIT 3
82#define INTEL_HDMIE_CLONE_BIT 4
83#define INTEL_HDMIF_CLONE_BIT 5
84#define INTEL_SDVO_NON_TV_CLONE_BIT 6
85#define INTEL_SDVO_TV_CLONE_BIT 7
86#define INTEL_SDVO_LVDS_CLONE_BIT 8
87#define INTEL_ANALOG_CLONE_BIT 9
88#define INTEL_TV_CLONE_BIT 10
89#define INTEL_DP_B_CLONE_BIT 11
90#define INTEL_DP_C_CLONE_BIT 12
91#define INTEL_DP_D_CLONE_BIT 13
92#define INTEL_LVDS_CLONE_BIT 14
93#define INTEL_DVO_TMDS_CLONE_BIT 15
94#define INTEL_DVO_LVDS_CLONE_BIT 16
Zhenyu Wang7c8460d2009-09-08 14:52:25 +080095#define INTEL_EDP_CLONE_BIT 17
Ma Lingf8aed702009-08-24 13:50:24 +080096
Jesse Barnes79e53942008-11-07 14:24:08 -080097#define INTEL_DVO_CHIP_NONE 0
98#define INTEL_DVO_CHIP_LVDS 1
99#define INTEL_DVO_CHIP_TMDS 2
100#define INTEL_DVO_CHIP_TVOUT 4
101
Chris Wilson6c9547f2010-08-25 10:05:17 +0100102/* drm_display_mode->private_flags */
103#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
104#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
105
106static inline void
107intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
108 int multiplier)
109{
110 mode->clock *= multiplier;
111 mode->private_flags |= multiplier;
112}
113
114static inline int
115intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
116{
117 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
118}
119
Jesse Barnes79e53942008-11-07 14:24:08 -0800120struct intel_i2c_chan {
121 struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
122 u32 reg; /* GPIO reg */
123 struct i2c_adapter adapter;
124 struct i2c_algo_bit_data algo;
Jesse Barnes79e53942008-11-07 14:24:08 -0800125};
126
127struct intel_framebuffer {
128 struct drm_framebuffer base;
129 struct drm_gem_object *obj;
130};
131
132
Eric Anholt21d40d32010-03-25 11:11:14 -0700133struct intel_encoder {
Jesse Barnes79e53942008-11-07 14:24:08 -0800134 struct drm_encoder enc;
135 int type;
Keith Packardf9c10a92009-05-30 12:16:25 -0700136 struct i2c_adapter *i2c_bus;
137 struct i2c_adapter *ddc_bus;
Jesse Barnes79e53942008-11-07 14:24:08 -0800138 bool load_detect_temp;
Jesse Barnese2f0ba92009-02-02 15:11:52 -0800139 bool needs_tv_clock;
Eric Anholt21d40d32010-03-25 11:11:14 -0700140 void (*hot_plug)(struct intel_encoder *);
Ma Lingf8aed702009-08-24 13:50:24 +0800141 int crtc_mask;
142 int clone_mask;
Jesse Barnes79e53942008-11-07 14:24:08 -0800143};
144
Zhenyu Wang5daa55e2010-03-30 14:39:28 +0800145struct intel_connector {
146 struct drm_connector base;
Zhenyu Wang5daa55e2010-03-30 14:39:28 +0800147};
148
Daniel Vetter02e792f2009-09-15 22:57:34 +0200149struct intel_crtc;
150struct intel_overlay {
151 struct drm_device *dev;
152 struct intel_crtc *crtc;
153 struct drm_i915_gem_object *vid_bo;
154 struct drm_i915_gem_object *old_vid_bo;
155 int active;
156 int pfit_active;
157 u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
158 u32 color_key;
159 u32 brightness, contrast, saturation;
160 u32 old_xscale, old_yscale;
161 /* register access */
162 u32 flip_addr;
163 struct drm_i915_gem_object *reg_bo;
164 void *virt_addr;
Daniel Vetter5a5a0c62009-09-15 22:57:36 +0200165 /* flip handling */
Daniel Vetter5a5a0c62009-09-15 22:57:36 +0200166 uint32_t last_flip_req;
Daniel Vetter03f77ea2009-09-15 22:57:37 +0200167 int hw_wedged;
168#define HW_WEDGED 1
169#define NEEDS_WAIT_FOR_FLIP 2
170#define RELEASE_OLD_VID 3
171#define SWITCH_OFF_STAGE_1 4
172#define SWITCH_OFF_STAGE_2 5
Daniel Vetter02e792f2009-09-15 22:57:34 +0200173};
174
Jesse Barnes79e53942008-11-07 14:24:08 -0800175struct intel_crtc {
176 struct drm_crtc base;
Jesse Barnes80824002009-09-10 15:28:06 -0700177 enum pipe pipe;
178 enum plane plane;
Jesse Barnes79e53942008-11-07 14:24:08 -0800179 u8 lut_r[256], lut_g[256], lut_b[256];
180 int dpms_mode;
Jesse Barnes652c3932009-08-17 13:31:43 -0700181 bool busy; /* is scanout buffer being updated frequently? */
182 struct timer_list idle_timer;
183 bool lowfreq_avail;
Daniel Vetter02e792f2009-09-15 22:57:34 +0200184 struct intel_overlay *overlay;
Kristian Høgsberg6b95a202009-11-18 11:25:18 -0500185 struct intel_unpin_work *unpin_work;
Adam Jackson77ffb592010-04-12 11:38:44 -0400186 int fdi_lanes;
Chris Wilsoncda4b7d2010-07-09 08:45:04 +0100187
188 struct drm_gem_object *cursor_bo;
189 uint32_t cursor_addr;
190 int16_t cursor_x, cursor_y;
191 int16_t cursor_width, cursor_height;
Chris Wilson560b85b2010-08-07 11:01:38 +0100192 bool cursor_visible, cursor_on;
Jesse Barnes79e53942008-11-07 14:24:08 -0800193};
194
195#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
Zhenyu Wang5daa55e2010-03-30 14:39:28 +0800196#define to_intel_connector(x) container_of(x, struct intel_connector, base)
Eric Anholt21d40d32010-03-25 11:11:14 -0700197#define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
Jesse Barnes79e53942008-11-07 14:24:08 -0800198#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
199
Simon Farnsworth4e5359c2010-09-01 17:47:52 +0100200struct intel_unpin_work {
201 struct work_struct work;
202 struct drm_device *dev;
203 struct drm_gem_object *old_fb_obj;
204 struct drm_gem_object *pending_flip_obj;
205 struct drm_pending_vblank_event *event;
206 int pending;
207 bool enable_stall_check;
208};
209
Keith Packardf9c10a92009-05-30 12:16:25 -0700210struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
211 const char *name);
212void intel_i2c_destroy(struct i2c_adapter *adapter);
Zhenyu Wang335af9a2010-03-30 14:39:31 +0800213int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
Eric Anholt21d40d32010-03-25 11:11:14 -0700214extern bool intel_ddc_probe(struct intel_encoder *intel_encoder);
Shaohua Li0ba0e9e2009-04-07 11:02:28 +0800215void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
Eric Anholtf0217c42009-12-01 11:56:30 -0800216void intel_i2c_reset_gmbus(struct drm_device *dev);
217
Jesse Barnes79e53942008-11-07 14:24:08 -0800218extern void intel_crt_init(struct drm_device *dev);
Eric Anholt7d573822009-01-02 13:33:00 -0800219extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
220extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
Jesse Barnes79e53942008-11-07 14:24:08 -0800221extern void intel_dvo_init(struct drm_device *dev);
222extern void intel_tv_init(struct drm_device *dev);
Jesse Barnes652c3932009-08-17 13:31:43 -0700223extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
Jesse Barnes79e53942008-11-07 14:24:08 -0800224extern void intel_lvds_init(struct drm_device *dev);
Keith Packarda4fc5ed2009-04-07 16:16:42 -0700225extern void intel_dp_init(struct drm_device *dev, int dp_reg);
226void
227intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
228 struct drm_display_mode *adjusted_mode);
Zhao Yakui36e83a12010-06-12 14:32:21 +0800229extern bool intel_pch_has_edp(struct drm_crtc *crtc);
Adam Jacksoncb0953d2010-07-16 14:46:29 -0400230extern bool intel_dpd_is_edp(struct drm_device *dev);
Eric Anholt21d40d32010-03-25 11:11:14 -0700231extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
Zhenyu Wang32f9d652009-07-24 01:00:32 +0800232
Jesse Barnes79e53942008-11-07 14:24:08 -0800233
Chris Wilson1d8e1c72010-08-07 11:01:28 +0100234extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
235 struct drm_display_mode *adjusted_mode);
236extern void intel_pch_panel_fitting(struct drm_device *dev,
237 int fitting_mode,
238 struct drm_display_mode *mode,
239 struct drm_display_mode *adjusted_mode);
240
Daniel Vetter02e792f2009-09-15 22:57:34 +0200241extern int intel_panel_fitter_pipe (struct drm_device *dev);
Jesse Barnes79e53942008-11-07 14:24:08 -0800242extern void intel_crtc_load_lut(struct drm_crtc *crtc);
243extern void intel_encoder_prepare (struct drm_encoder *encoder);
244extern void intel_encoder_commit (struct drm_encoder *encoder);
Chris Wilsonea5b2132010-08-04 13:50:23 +0100245extern void intel_encoder_destroy(struct drm_encoder *encoder);
Jesse Barnes79e53942008-11-07 14:24:08 -0800246
Zhenyu Wangf1c79df2010-03-30 14:39:29 +0800247extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector);
Jesse Barnes79e53942008-11-07 14:24:08 -0800248
249extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
250 struct drm_crtc *crtc);
Carl Worth08d7b3d2009-04-29 14:43:54 -0700251int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
252 struct drm_file *file_priv);
Jesse Barnes9d0498a2010-08-18 13:20:54 -0700253extern void intel_wait_for_vblank_off(struct drm_device *dev, int pipe);
254extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
Jesse Barnes79e53942008-11-07 14:24:08 -0800255extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
Eric Anholt21d40d32010-03-25 11:11:14 -0700256extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
Zhenyu Wangc1c43972010-03-30 14:39:30 +0800257 struct drm_connector *connector,
Jesse Barnes79e53942008-11-07 14:24:08 -0800258 struct drm_display_mode *mode,
259 int *dpms_mode);
Eric Anholt21d40d32010-03-25 11:11:14 -0700260extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
Zhenyu Wangc1c43972010-03-30 14:39:30 +0800261 struct drm_connector *connector,
Jesse Barnes79e53942008-11-07 14:24:08 -0800262 int dpms_mode);
263
264extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
265extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
266extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
Jesse Barnes79e53942008-11-07 14:24:08 -0800267extern void intelfb_restore(void);
268extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
269 u16 blue, int regno);
Dave Airlieb8c00ac2009-10-06 13:54:01 +1000270extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
271 u16 *blue, int regno);
Andrew Lutomirski7e8b60f2009-11-08 13:49:51 -0500272extern void intel_init_clock_gating(struct drm_device *dev);
Jesse Barnesf97108d2010-01-29 11:27:07 -0800273extern void ironlake_enable_drps(struct drm_device *dev);
274extern void ironlake_disable_drps(struct drm_device *dev);
Jesse Barnes79e53942008-11-07 14:24:08 -0800275
Chris Wilson127bd2a2010-07-23 23:32:05 +0100276extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
277 struct drm_gem_object *obj);
278
Dave Airlie38651672010-03-30 05:34:13 +0000279extern int intel_framebuffer_init(struct drm_device *dev,
280 struct intel_framebuffer *ifb,
281 struct drm_mode_fb_cmd *mode_cmd,
282 struct drm_gem_object *obj);
283extern int intel_fbdev_init(struct drm_device *dev);
284extern void intel_fbdev_fini(struct drm_device *dev);
Dave Airlie28d52042009-09-21 14:33:58 +1000285
Kristian Høgsberg6b95a202009-11-18 11:25:18 -0500286extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
287extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
Jesse Barnes1afe3e92010-03-26 10:35:20 -0700288extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
Kristian Høgsberg6b95a202009-11-18 11:25:18 -0500289
Daniel Vetter02e792f2009-09-15 22:57:34 +0200290extern void intel_setup_overlay(struct drm_device *dev);
291extern void intel_cleanup_overlay(struct drm_device *dev);
292extern int intel_overlay_switch_off(struct intel_overlay *overlay);
Daniel Vetter03f77ea2009-09-15 22:57:37 +0200293extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
294 int interruptible);
Daniel Vetter02e792f2009-09-15 22:57:34 +0200295extern int intel_overlay_put_image(struct drm_device *dev, void *data,
296 struct drm_file *file_priv);
297extern int intel_overlay_attrs(struct drm_device *dev, void *data,
298 struct drm_file *file_priv);
Dave Airlie4abe3522010-03-30 05:34:18 +0000299
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000300extern void intel_fb_output_poll_changed(struct drm_device *dev);
Jesse Barnes79e53942008-11-07 14:24:08 -0800301#endif /* __INTEL_DRV_H__ */