]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - drivers/gpu/drm/i915/intel_drv.h
drm/i915: Only call udelay() when waiting for clocks to stabilise
[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / i915 / intel_drv.h
CommitLineData
79e53945
JB
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 <linux/i2c-id.h>
30#include <linux/i2c-algo-bit.h>
80824003 31#include "i915_drv.h"
79e53945 32#include "drm_crtc.h"
79e53945 33#include "drm_crtc_helper.h"
37811fcc 34#include "drm_fb_helper.h"
913d8d11 35
481b6af3 36#define _wait_for(COND, MS, W) ({ \
913d8d11
CW
37 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 } \
82d7c9e7 44 if (W && !in_dbg_master()) msleep(W); \
913d8d11
CW
45 } \
46 ret__; \
47})
48
481b6af3
CW
49#define wait_for(COND, MS) _wait_for(COND, MS, 1)
50#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
51
79e53945
JB
52/*
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
7d57382e 74#define INTEL_OUTPUT_HDMI 6
a4fc5ed6 75#define INTEL_OUTPUT_DISPLAYPORT 7
32f9d658 76#define INTEL_OUTPUT_EDP 8
79e53945 77
f8aed700
ML
78/* 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
7c8460db 95#define INTEL_EDP_CLONE_BIT 17
f8aed700 96
79e53945
JB
97#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
6c9547ff
CW
102/* 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
79e53945
JB
120struct 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;
79e53945
JB
125};
126
127struct intel_framebuffer {
128 struct drm_framebuffer base;
129 struct drm_gem_object *obj;
130};
131
37811fcc
CW
132struct intel_fbdev {
133 struct drm_fb_helper helper;
134 struct intel_framebuffer ifb;
135 struct list_head fbdev_list;
136 struct drm_display_mode *our_mode;
137};
79e53945 138
21d40d37 139struct intel_encoder {
4ef69c7a 140 struct drm_encoder base;
79e53945 141 int type;
f9c10a9b
KP
142 struct i2c_adapter *i2c_bus;
143 struct i2c_adapter *ddc_bus;
79e53945 144 bool load_detect_temp;
e2f0ba97 145 bool needs_tv_clock;
21d40d37 146 void (*hot_plug)(struct intel_encoder *);
f8aed700
ML
147 int crtc_mask;
148 int clone_mask;
79e53945
JB
149};
150
5daa55eb
ZW
151struct intel_connector {
152 struct drm_connector base;
df0e9248 153 struct intel_encoder *encoder;
5daa55eb
ZW
154};
155
79e53945
JB
156struct intel_crtc {
157 struct drm_crtc base;
80824003
JB
158 enum pipe pipe;
159 enum plane plane;
79e53945
JB
160 u8 lut_r[256], lut_g[256], lut_b[256];
161 int dpms_mode;
652c393a
JB
162 bool busy; /* is scanout buffer being updated frequently? */
163 struct timer_list idle_timer;
164 bool lowfreq_avail;
02e792fb 165 struct intel_overlay *overlay;
6b95a207 166 struct intel_unpin_work *unpin_work;
77ffb597 167 int fdi_lanes;
cda4b7d3
CW
168
169 struct drm_gem_object *cursor_bo;
170 uint32_t cursor_addr;
171 int16_t cursor_x, cursor_y;
172 int16_t cursor_width, cursor_height;
560b85bb 173 bool cursor_visible, cursor_on;
79e53945
JB
174};
175
176#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
5daa55eb 177#define to_intel_connector(x) container_of(x, struct intel_connector, base)
4ef69c7a 178#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
79e53945
JB
179#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
180
f875c15a
CW
181static inline struct drm_crtc *
182intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
183{
184 struct drm_i915_private *dev_priv = dev->dev_private;
185 return dev_priv->pipe_to_crtc_mapping[pipe];
186}
187
4e5359cd
SF
188struct intel_unpin_work {
189 struct work_struct work;
190 struct drm_device *dev;
191 struct drm_gem_object *old_fb_obj;
192 struct drm_gem_object *pending_flip_obj;
193 struct drm_pending_vblank_event *event;
194 int pending;
195 bool enable_stall_check;
196};
197
f9c10a9b
KP
198struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
199 const char *name);
200void intel_i2c_destroy(struct i2c_adapter *adapter);
335af9a2 201int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
21d40d37 202extern bool intel_ddc_probe(struct intel_encoder *intel_encoder);
0ba0e9e1 203void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
f0217c42
EA
204void intel_i2c_reset_gmbus(struct drm_device *dev);
205
79e53945 206extern void intel_crt_init(struct drm_device *dev);
7d57382e
EA
207extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
208extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
79e53945
JB
209extern void intel_dvo_init(struct drm_device *dev);
210extern void intel_tv_init(struct drm_device *dev);
652c393a 211extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
79e53945 212extern void intel_lvds_init(struct drm_device *dev);
a4fc5ed6
KP
213extern void intel_dp_init(struct drm_device *dev, int dp_reg);
214void
215intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
216 struct drm_display_mode *adjusted_mode);
36e83a18 217extern bool intel_pch_has_edp(struct drm_crtc *crtc);
cb0953d7 218extern bool intel_dpd_is_edp(struct drm_device *dev);
21d40d37 219extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
32f9d658 220
a9573556 221/* intel_panel.c */
1d8e1c75
CW
222extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
223 struct drm_display_mode *adjusted_mode);
224extern void intel_pch_panel_fitting(struct drm_device *dev,
225 int fitting_mode,
226 struct drm_display_mode *mode,
227 struct drm_display_mode *adjusted_mode);
a9573556
CW
228extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
229extern u32 intel_panel_get_backlight(struct drm_device *dev);
230extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
1d8e1c75 231
02e792fb 232extern int intel_panel_fitter_pipe (struct drm_device *dev);
79e53945
JB
233extern void intel_crtc_load_lut(struct drm_crtc *crtc);
234extern void intel_encoder_prepare (struct drm_encoder *encoder);
235extern void intel_encoder_commit (struct drm_encoder *encoder);
ea5b213a 236extern void intel_encoder_destroy(struct drm_encoder *encoder);
79e53945 237
df0e9248
CW
238static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
239{
240 return to_intel_connector(connector)->encoder;
241}
242
243extern void intel_connector_attach_encoder(struct intel_connector *connector,
244 struct intel_encoder *encoder);
245extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
79e53945
JB
246
247extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
248 struct drm_crtc *crtc);
08d7b3d1
CW
249int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
250 struct drm_file *file_priv);
9d0498a2
JB
251extern void intel_wait_for_vblank_off(struct drm_device *dev, int pipe);
252extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
21d40d37 253extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
c1c43977 254 struct drm_connector *connector,
79e53945
JB
255 struct drm_display_mode *mode,
256 int *dpms_mode);
21d40d37 257extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
c1c43977 258 struct drm_connector *connector,
79e53945
JB
259 int dpms_mode);
260
261extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
262extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
263extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
79e53945
JB
264extern void intelfb_restore(void);
265extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
266 u16 blue, int regno);
b8c00ac5
DA
267extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
268 u16 *blue, int regno);
7e8b60fa 269extern void intel_init_clock_gating(struct drm_device *dev);
f97108d1
JB
270extern void ironlake_enable_drps(struct drm_device *dev);
271extern void ironlake_disable_drps(struct drm_device *dev);
79e53945 272
127bd2ac
CW
273extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
274 struct drm_gem_object *obj);
275
38651674
DA
276extern int intel_framebuffer_init(struct drm_device *dev,
277 struct intel_framebuffer *ifb,
278 struct drm_mode_fb_cmd *mode_cmd,
279 struct drm_gem_object *obj);
280extern int intel_fbdev_init(struct drm_device *dev);
281extern void intel_fbdev_fini(struct drm_device *dev);
28d52043 282
6b95a207
KH
283extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
284extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
1afe3e9d 285extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
6b95a207 286
02e792fb
DV
287extern void intel_setup_overlay(struct drm_device *dev);
288extern void intel_cleanup_overlay(struct drm_device *dev);
5dcdbcb0
CW
289extern int intel_overlay_switch_off(struct intel_overlay *overlay,
290 bool interruptible);
02e792fb
DV
291extern int intel_overlay_put_image(struct drm_device *dev, void *data,
292 struct drm_file *file_priv);
293extern int intel_overlay_attrs(struct drm_device *dev, void *data,
294 struct drm_file *file_priv);
4abe3520 295
eb1f8e4f 296extern void intel_fb_output_poll_changed(struct drm_device *dev);
79e53945 297#endif /* __INTEL_DRV_H__ */