2 * Copyright (c) 2009-2011, Intel Corporation.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 #ifndef __INTEL_DRV_H__
20 #define __INTEL_DRV_H__
22 #include <linux/i2c.h>
23 #include <linux/i2c-algo-bit.h>
24 #include <drm/drm_crtc.h>
25 #include <drm/drm_crtc_helper.h>
26 #include <linux/gpio.h>
29 * Display related stuff
32 /* maximum connectors per crtcs in the mode set */
33 #define INTELFB_CONN_LIMIT 4
35 /* Intel Pipe Clone Bit */
36 #define INTEL_HDMIB_CLONE_BIT 1
37 #define INTEL_HDMIC_CLONE_BIT 2
38 #define INTEL_HDMID_CLONE_BIT 3
39 #define INTEL_HDMIE_CLONE_BIT 4
40 #define INTEL_HDMIF_CLONE_BIT 5
41 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
42 #define INTEL_SDVO_TV_CLONE_BIT 7
43 #define INTEL_SDVO_LVDS_CLONE_BIT 8
44 #define INTEL_ANALOG_CLONE_BIT 9
45 #define INTEL_TV_CLONE_BIT 10
46 #define INTEL_DP_B_CLONE_BIT 11
47 #define INTEL_DP_C_CLONE_BIT 12
48 #define INTEL_DP_D_CLONE_BIT 13
49 #define INTEL_LVDS_CLONE_BIT 14
50 #define INTEL_DVO_TMDS_CLONE_BIT 15
51 #define INTEL_DVO_LVDS_CLONE_BIT 16
52 #define INTEL_EDP_CLONE_BIT 17
54 /* these are outputs from the chip - integrated only
55 * external chips are via DVO or SDVO output */
56 #define INTEL_OUTPUT_UNUSED 0
57 #define INTEL_OUTPUT_ANALOG 1
58 #define INTEL_OUTPUT_DVO 2
59 #define INTEL_OUTPUT_SDVO 3
60 #define INTEL_OUTPUT_LVDS 4
61 #define INTEL_OUTPUT_TVOUT 5
62 #define INTEL_OUTPUT_HDMI 6
63 #define INTEL_OUTPUT_MIPI 7
64 #define INTEL_OUTPUT_MIPI2 8
65 #define INTEL_OUTPUT_DISPLAYPORT 9
66 #define INTEL_OUTPUT_EDP 10
68 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
69 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
72 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode
*mode
,
75 mode
->clock
*= multiplier
;
76 mode
->private_flags
|= multiplier
;
80 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode
*mode
)
82 return (mode
->private_flags
& INTEL_MODE_PIXEL_MULTIPLIER_MASK
)
83 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT
;
88 * Hold information useally put on the device driver privates here,
89 * since it needs to be shared across multiple of devices drivers privates.
91 struct psb_intel_mode_device
{
94 * Abstracted memory manager operations
96 size_t(*bo_offset
) (struct drm_device
*dev
, void *bo
);
101 int backlight_duty_cycle
; /* restore backlight to this value */
102 bool panel_wants_dither
;
103 struct drm_display_mode
*panel_fixed_mode
;
104 struct drm_display_mode
*panel_fixed_mode2
;
105 struct drm_display_mode
*vbt_mode
; /* if any */
107 uint32_t saveBLC_PWM_CTL
;
110 struct psb_intel_i2c_chan
{
111 /* for getting at dev. private (mmio etc.) */
112 struct drm_device
*drm_dev
;
113 u32 reg
; /* GPIO reg */
114 struct i2c_adapter adapter
;
115 struct i2c_algo_bit_data algo
;
119 struct psb_intel_encoder
{
120 struct drm_encoder base
;
123 void (*hot_plug
)(struct psb_intel_encoder
*);
126 u32 ddi_select
; /* Channel info */
127 #define DDI0_SELECT 0x01
128 #define DDI1_SELECT 0x02
129 #define DP_MASK 0x8000
130 #define DDI_MASK 0x03
131 void *dev_priv
; /* For sdvo_priv, lvds_priv, etc... */
133 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
134 own set of output privates */
135 struct psb_intel_i2c_chan
*i2c_bus
;
136 struct psb_intel_i2c_chan
*ddc_bus
;
139 struct psb_intel_connector
{
140 struct drm_connector base
;
141 struct psb_intel_encoder
*encoder
;
144 struct psb_intel_crtc_state
{
145 uint32_t saveDSPCNTR
;
146 uint32_t savePIPECONF
;
147 uint32_t savePIPESRC
;
157 uint32_t saveDSPSTRIDE
;
158 uint32_t saveDSPSIZE
;
160 uint32_t saveDSPBASE
;
161 uint32_t savePalette
[256];
164 struct psb_intel_crtc
{
165 struct drm_crtc base
;
168 uint32_t cursor_addr
;
169 struct gtt_range
*cursor_gt
;
170 u8 lut_r
[256], lut_g
[256], lut_b
[256];
172 struct psb_intel_framebuffer
*fbdev_fb
;
173 /* a mode_set for fbdev users on this crtc */
174 struct drm_mode_set mode_set
;
176 /* GEM object that holds our cursor */
177 struct drm_gem_object
*cursor_obj
;
179 struct drm_display_mode saved_mode
;
180 struct drm_display_mode saved_adjusted_mode
;
182 struct psb_intel_mode_device
*mode_dev
;
184 /*crtc mode setting flags*/
189 /* Saved Crtc HW states */
190 struct psb_intel_crtc_state
*crtc_state
;
193 #define to_psb_intel_crtc(x) \
194 container_of(x, struct psb_intel_crtc, base)
195 #define to_psb_intel_connector(x) \
196 container_of(x, struct psb_intel_connector, base)
197 #define to_psb_intel_encoder(x) \
198 container_of(x, struct psb_intel_encoder, base)
199 #define to_psb_intel_framebuffer(x) \
200 container_of(x, struct psb_intel_framebuffer, base)
202 struct psb_intel_i2c_chan
*psb_intel_i2c_create(struct drm_device
*dev
,
203 const u32 reg
, const char *name
);
204 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan
*chan
);
205 int psb_intel_ddc_get_modes(struct drm_connector
*connector
,
206 struct i2c_adapter
*adapter
);
207 extern bool psb_intel_ddc_probe(struct i2c_adapter
*adapter
);
209 extern void psb_intel_crtc_init(struct drm_device
*dev
, int pipe
,
210 struct psb_intel_mode_device
*mode_dev
);
211 extern void psb_intel_crt_init(struct drm_device
*dev
);
212 extern bool psb_intel_sdvo_init(struct drm_device
*dev
, int output_device
);
213 extern void psb_intel_dvo_init(struct drm_device
*dev
);
214 extern void psb_intel_tv_init(struct drm_device
*dev
);
215 extern void psb_intel_lvds_init(struct drm_device
*dev
,
216 struct psb_intel_mode_device
*mode_dev
);
217 extern void psb_intel_lvds_set_brightness(struct drm_device
*dev
, int level
);
218 extern void oaktrail_lvds_init(struct drm_device
*dev
,
219 struct psb_intel_mode_device
*mode_dev
);
220 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device
*dev
);
221 extern void oaktrail_dsi_init(struct drm_device
*dev
,
222 struct psb_intel_mode_device
*mode_dev
);
223 extern void mid_dsi_init(struct drm_device
*dev
,
224 struct psb_intel_mode_device
*mode_dev
, int dsi_num
);
226 extern void psb_intel_crtc_load_lut(struct drm_crtc
*crtc
);
227 extern void psb_intel_encoder_prepare(struct drm_encoder
*encoder
);
228 extern void psb_intel_encoder_commit(struct drm_encoder
*encoder
);
229 extern void psb_intel_encoder_destroy(struct drm_encoder
*encoder
);
231 static inline struct psb_intel_encoder
*psb_intel_attached_encoder(
232 struct drm_connector
*connector
)
234 return to_psb_intel_connector(connector
)->encoder
;
237 extern void psb_intel_connector_attach_encoder(
238 struct psb_intel_connector
*connector
,
239 struct psb_intel_encoder
*encoder
);
241 extern struct drm_encoder
*psb_intel_best_encoder(struct drm_connector
244 extern struct drm_display_mode
*psb_intel_crtc_mode_get(struct drm_device
*dev
,
245 struct drm_crtc
*crtc
);
246 extern void psb_intel_wait_for_vblank(struct drm_device
*dev
);
247 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
248 struct drm_file
*file_priv
);
249 extern struct drm_crtc
*psb_intel_get_crtc_from_pipe(struct drm_device
*dev
,
251 extern struct drm_connector
*psb_intel_sdvo_find(struct drm_device
*dev
,
253 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
254 extern void psb_intel_sdvo_set_hotplug(struct drm_connector
*connector
,
256 extern int intelfb_probe(struct drm_device
*dev
);
257 extern int intelfb_remove(struct drm_device
*dev
,
258 struct drm_framebuffer
*fb
);
259 extern struct drm_framebuffer
*psb_intel_framebuffer_create(struct drm_device
264 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder
*encoder
,
265 const struct drm_display_mode
*mode
,
266 struct drm_display_mode
*adjusted_mode
);
267 extern int psb_intel_lvds_mode_valid(struct drm_connector
*connector
,
268 struct drm_display_mode
*mode
);
269 extern int psb_intel_lvds_set_property(struct drm_connector
*connector
,
270 struct drm_property
*property
,
272 extern void psb_intel_lvds_destroy(struct drm_connector
*connector
);
273 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs
;
276 extern void gma_intel_i2c_reset(struct drm_device
*dev
);
277 extern int gma_intel_setup_gmbus(struct drm_device
*dev
);
278 extern void gma_intel_gmbus_set_speed(struct i2c_adapter
*adapter
, int speed
);
279 extern void gma_intel_gmbus_force_bit(struct i2c_adapter
*adapter
, bool force_bit
);
280 extern void gma_intel_teardown_gmbus(struct drm_device
*dev
);
283 extern void cdv_intel_dp_init(struct drm_device
*dev
, struct psb_intel_mode_device
*mode_dev
, int output_reg
);
284 extern void cdv_intel_dp_set_m_n(struct drm_crtc
*crtc
,
285 struct drm_display_mode
*mode
,
286 struct drm_display_mode
*adjusted_mode
);
288 extern void psb_intel_attach_force_audio_property(struct drm_connector
*connector
);
289 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
291 extern int cdv_sb_read(struct drm_device
*dev
, u32 reg
, u32
*val
);
292 extern int cdv_sb_write(struct drm_device
*dev
, u32 reg
, u32 val
);
293 extern void cdv_sb_reset(struct drm_device
*dev
);
295 extern void cdv_intel_attach_force_audio_property(struct drm_connector
*connector
);
296 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
298 #endif /* __INTEL_DRV_H__ */