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>
29 #include <linux/i2c-id.h>
30 #include <linux/i2c-algo-bit.h>
34 #include "drm_crtc_helper.h"
36 #define _wait_for(COND, MS, W) ({ \
37 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
40 if (time_after(jiffies, timeout__)) { \
44 if (W && !in_dbg_master()) msleep(W); \
49 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
50 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
53 * Display related stuff
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 */
60 /* maximum connectors per crtcs in the mode set */
61 #define INTELFB_CONN_LIMIT 4
63 #define INTEL_I2C_BUS_DVO 1
64 #define INTEL_I2C_BUS_SDVO 2
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
74 #define INTEL_OUTPUT_HDMI 6
75 #define INTEL_OUTPUT_DISPLAYPORT 7
76 #define INTEL_OUTPUT_EDP 8
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
95 #define INTEL_EDP_CLONE_BIT 17
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
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)
107 intel_mode_set_pixel_multiplier(struct drm_display_mode
*mode
,
110 mode
->clock
*= multiplier
;
111 mode
->private_flags
|= multiplier
;
115 intel_mode_get_pixel_multiplier(const struct drm_display_mode
*mode
)
117 return (mode
->private_flags
& INTEL_MODE_PIXEL_MULTIPLIER_MASK
) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT
;
120 struct 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
;
127 struct intel_framebuffer
{
128 struct drm_framebuffer base
;
129 struct drm_gem_object
*obj
;
133 struct intel_encoder
{
134 struct drm_encoder enc
;
136 struct i2c_adapter
*i2c_bus
;
137 struct i2c_adapter
*ddc_bus
;
138 bool load_detect_temp
;
140 void (*hot_plug
)(struct intel_encoder
*);
145 struct intel_connector
{
146 struct drm_connector base
;
150 struct drm_crtc base
;
153 u8 lut_r
[256], lut_g
[256], lut_b
[256];
155 bool busy
; /* is scanout buffer being updated frequently? */
156 struct timer_list idle_timer
;
158 struct intel_overlay
*overlay
;
159 struct intel_unpin_work
*unpin_work
;
162 struct drm_gem_object
*cursor_bo
;
163 uint32_t cursor_addr
;
164 int16_t cursor_x
, cursor_y
;
165 int16_t cursor_width
, cursor_height
;
166 bool cursor_visible
, cursor_on
;
169 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
170 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
171 #define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
172 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
174 struct intel_unpin_work
{
175 struct work_struct work
;
176 struct drm_device
*dev
;
177 struct drm_gem_object
*old_fb_obj
;
178 struct drm_gem_object
*pending_flip_obj
;
179 struct drm_pending_vblank_event
*event
;
181 bool enable_stall_check
;
184 struct i2c_adapter
*intel_i2c_create(struct drm_device
*dev
, const u32 reg
,
186 void intel_i2c_destroy(struct i2c_adapter
*adapter
);
187 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
188 extern bool intel_ddc_probe(struct intel_encoder
*intel_encoder
);
189 void intel_i2c_quirk_set(struct drm_device
*dev
, bool enable
);
190 void intel_i2c_reset_gmbus(struct drm_device
*dev
);
192 extern void intel_crt_init(struct drm_device
*dev
);
193 extern void intel_hdmi_init(struct drm_device
*dev
, int sdvox_reg
);
194 extern bool intel_sdvo_init(struct drm_device
*dev
, int output_device
);
195 extern void intel_dvo_init(struct drm_device
*dev
);
196 extern void intel_tv_init(struct drm_device
*dev
);
197 extern void intel_mark_busy(struct drm_device
*dev
, struct drm_gem_object
*obj
);
198 extern void intel_lvds_init(struct drm_device
*dev
);
199 extern void intel_dp_init(struct drm_device
*dev
, int dp_reg
);
201 intel_dp_set_m_n(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
202 struct drm_display_mode
*adjusted_mode
);
203 extern bool intel_pch_has_edp(struct drm_crtc
*crtc
);
204 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
205 extern void intel_edp_link_config (struct intel_encoder
*, int *, int *);
208 extern void intel_fixed_panel_mode(struct drm_display_mode
*fixed_mode
,
209 struct drm_display_mode
*adjusted_mode
);
210 extern void intel_pch_panel_fitting(struct drm_device
*dev
,
212 struct drm_display_mode
*mode
,
213 struct drm_display_mode
*adjusted_mode
);
214 extern u32
intel_panel_get_max_backlight(struct drm_device
*dev
);
215 extern u32
intel_panel_get_backlight(struct drm_device
*dev
);
216 extern void intel_panel_set_backlight(struct drm_device
*dev
, u32 level
);
218 extern int intel_panel_fitter_pipe (struct drm_device
*dev
);
219 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
220 extern void intel_encoder_prepare (struct drm_encoder
*encoder
);
221 extern void intel_encoder_commit (struct drm_encoder
*encoder
);
222 extern void intel_encoder_destroy(struct drm_encoder
*encoder
);
224 extern struct drm_encoder
*intel_attached_encoder(struct drm_connector
*connector
);
226 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
227 struct drm_crtc
*crtc
);
228 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
229 struct drm_file
*file_priv
);
230 extern void intel_wait_for_vblank_off(struct drm_device
*dev
, int pipe
);
231 extern void intel_wait_for_vblank(struct drm_device
*dev
, int pipe
);
232 extern struct drm_crtc
*intel_get_crtc_from_pipe(struct drm_device
*dev
, int pipe
);
233 extern struct drm_crtc
*intel_get_load_detect_pipe(struct intel_encoder
*intel_encoder
,
234 struct drm_connector
*connector
,
235 struct drm_display_mode
*mode
,
237 extern void intel_release_load_detect_pipe(struct intel_encoder
*intel_encoder
,
238 struct drm_connector
*connector
,
241 extern struct drm_connector
* intel_sdvo_find(struct drm_device
*dev
, int sdvoB
);
242 extern int intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
243 extern void intel_sdvo_set_hotplug(struct drm_connector
*connector
, int enable
);
244 extern void intelfb_restore(void);
245 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
246 u16 blue
, int regno
);
247 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
248 u16
*blue
, int regno
);
249 extern void intel_init_clock_gating(struct drm_device
*dev
);
250 extern void ironlake_enable_drps(struct drm_device
*dev
);
251 extern void ironlake_disable_drps(struct drm_device
*dev
);
253 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
254 struct drm_gem_object
*obj
);
256 extern int intel_framebuffer_init(struct drm_device
*dev
,
257 struct intel_framebuffer
*ifb
,
258 struct drm_mode_fb_cmd
*mode_cmd
,
259 struct drm_gem_object
*obj
);
260 extern int intel_fbdev_init(struct drm_device
*dev
);
261 extern void intel_fbdev_fini(struct drm_device
*dev
);
263 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
264 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
265 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
267 extern void intel_setup_overlay(struct drm_device
*dev
);
268 extern void intel_cleanup_overlay(struct drm_device
*dev
);
269 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
,
271 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
272 struct drm_file
*file_priv
);
273 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
274 struct drm_file
*file_priv
);
276 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
277 #endif /* __INTEL_DRV_H__ */