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 <drm/drm_encoder.h>
27 #include <drm/drm_probe_helper.h>
28 #include <linux/gpio.h>
29 #include "gma_display.h"
32 * Display related stuff
35 /* maximum connectors per crtcs in the mode set */
36 #define INTELFB_CONN_LIMIT 4
38 /* Intel Pipe Clone Bit */
39 #define INTEL_HDMIB_CLONE_BIT 1
40 #define INTEL_HDMIC_CLONE_BIT 2
41 #define INTEL_HDMID_CLONE_BIT 3
42 #define INTEL_HDMIE_CLONE_BIT 4
43 #define INTEL_HDMIF_CLONE_BIT 5
44 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
45 #define INTEL_SDVO_TV_CLONE_BIT 7
46 #define INTEL_SDVO_LVDS_CLONE_BIT 8
47 #define INTEL_ANALOG_CLONE_BIT 9
48 #define INTEL_TV_CLONE_BIT 10
49 #define INTEL_DP_B_CLONE_BIT 11
50 #define INTEL_DP_C_CLONE_BIT 12
51 #define INTEL_DP_D_CLONE_BIT 13
52 #define INTEL_LVDS_CLONE_BIT 14
53 #define INTEL_DVO_TMDS_CLONE_BIT 15
54 #define INTEL_DVO_LVDS_CLONE_BIT 16
55 #define INTEL_EDP_CLONE_BIT 17
57 /* these are outputs from the chip - integrated only
58 * external chips are via DVO or SDVO output */
59 #define INTEL_OUTPUT_UNUSED 0
60 #define INTEL_OUTPUT_ANALOG 1
61 #define INTEL_OUTPUT_DVO 2
62 #define INTEL_OUTPUT_SDVO 3
63 #define INTEL_OUTPUT_LVDS 4
64 #define INTEL_OUTPUT_TVOUT 5
65 #define INTEL_OUTPUT_HDMI 6
66 #define INTEL_OUTPUT_MIPI 7
67 #define INTEL_OUTPUT_MIPI2 8
68 #define INTEL_OUTPUT_DISPLAYPORT 9
69 #define INTEL_OUTPUT_EDP 10
71 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
72 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
75 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode
*mode
,
78 mode
->clock
*= multiplier
;
79 mode
->private_flags
|= multiplier
;
83 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode
*mode
)
85 return (mode
->private_flags
& INTEL_MODE_PIXEL_MULTIPLIER_MASK
)
86 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT
;
91 * Hold information useally put on the device driver privates here,
92 * since it needs to be shared across multiple of devices drivers privates.
94 struct psb_intel_mode_device
{
97 * Abstracted memory manager operations
99 size_t(*bo_offset
) (struct drm_device
*dev
, void *bo
);
104 int backlight_duty_cycle
; /* restore backlight to this value */
105 bool panel_wants_dither
;
106 struct drm_display_mode
*panel_fixed_mode
;
107 struct drm_display_mode
*panel_fixed_mode2
;
108 struct drm_display_mode
*vbt_mode
; /* if any */
110 uint32_t saveBLC_PWM_CTL
;
113 struct psb_intel_i2c_chan
{
114 /* for getting at dev. private (mmio etc.) */
115 struct drm_device
*drm_dev
;
116 u32 reg
; /* GPIO reg */
117 struct i2c_adapter adapter
;
118 struct i2c_algo_bit_data algo
;
123 struct drm_encoder base
;
126 void (*hot_plug
)(struct gma_encoder
*);
129 u32 ddi_select
; /* Channel info */
130 #define DDI0_SELECT 0x01
131 #define DDI1_SELECT 0x02
132 #define DP_MASK 0x8000
133 #define DDI_MASK 0x03
134 void *dev_priv
; /* For sdvo_priv, lvds_priv, etc... */
136 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
137 own set of output privates */
138 struct psb_intel_i2c_chan
*i2c_bus
;
139 struct psb_intel_i2c_chan
*ddc_bus
;
142 struct gma_connector
{
143 struct drm_connector base
;
144 struct gma_encoder
*encoder
;
146 void (*save
)(struct drm_connector
*connector
);
147 void (*restore
)(struct drm_connector
*connector
);
150 struct psb_intel_crtc_state
{
151 uint32_t saveDSPCNTR
;
152 uint32_t savePIPECONF
;
153 uint32_t savePIPESRC
;
163 uint32_t saveDSPSTRIDE
;
164 uint32_t saveDSPSIZE
;
166 uint32_t saveDSPBASE
;
167 uint32_t savePalette
[256];
171 struct drm_crtc base
;
174 uint32_t cursor_addr
;
175 struct gtt_range
*cursor_gt
;
177 struct psb_intel_framebuffer
*fbdev_fb
;
178 /* a mode_set for fbdev users on this crtc */
179 struct drm_mode_set mode_set
;
181 /* GEM object that holds our cursor */
182 struct drm_gem_object
*cursor_obj
;
184 struct drm_display_mode saved_mode
;
185 struct drm_display_mode saved_adjusted_mode
;
187 struct psb_intel_mode_device
*mode_dev
;
189 /*crtc mode setting flags*/
194 /* Saved Crtc HW states */
195 struct psb_intel_crtc_state
*crtc_state
;
197 const struct gma_clock_funcs
*clock_funcs
;
200 #define to_gma_crtc(x) \
201 container_of(x, struct gma_crtc, base)
202 #define to_gma_connector(x) \
203 container_of(x, struct gma_connector, base)
204 #define to_gma_encoder(x) \
205 container_of(x, struct gma_encoder, base)
206 #define to_psb_intel_framebuffer(x) \
207 container_of(x, struct psb_intel_framebuffer, base)
209 struct psb_intel_i2c_chan
*psb_intel_i2c_create(struct drm_device
*dev
,
210 const u32 reg
, const char *name
);
211 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan
*chan
);
212 int psb_intel_ddc_get_modes(struct drm_connector
*connector
,
213 struct i2c_adapter
*adapter
);
214 extern bool psb_intel_ddc_probe(struct i2c_adapter
*adapter
);
216 extern void psb_intel_crtc_init(struct drm_device
*dev
, int pipe
,
217 struct psb_intel_mode_device
*mode_dev
);
218 extern void psb_intel_crt_init(struct drm_device
*dev
);
219 extern bool psb_intel_sdvo_init(struct drm_device
*dev
, int output_device
);
220 extern void psb_intel_dvo_init(struct drm_device
*dev
);
221 extern void psb_intel_tv_init(struct drm_device
*dev
);
222 extern void psb_intel_lvds_init(struct drm_device
*dev
,
223 struct psb_intel_mode_device
*mode_dev
);
224 extern void psb_intel_lvds_set_brightness(struct drm_device
*dev
, int level
);
225 extern void oaktrail_lvds_init(struct drm_device
*dev
,
226 struct psb_intel_mode_device
*mode_dev
);
227 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device
*dev
);
228 extern void oaktrail_dsi_init(struct drm_device
*dev
,
229 struct psb_intel_mode_device
*mode_dev
);
230 extern void oaktrail_lvds_i2c_init(struct drm_encoder
*encoder
);
231 extern void mid_dsi_init(struct drm_device
*dev
,
232 struct psb_intel_mode_device
*mode_dev
, int dsi_num
);
234 extern struct drm_encoder
*gma_best_encoder(struct drm_connector
*connector
);
235 extern void gma_connector_attach_encoder(struct gma_connector
*connector
,
236 struct gma_encoder
*encoder
);
238 static inline struct gma_encoder
*gma_attached_encoder(
239 struct drm_connector
*connector
)
241 return to_gma_connector(connector
)->encoder
;
244 extern struct drm_display_mode
*psb_intel_crtc_mode_get(struct drm_device
*dev
,
245 struct drm_crtc
*crtc
);
246 extern struct drm_crtc
*psb_intel_get_crtc_from_pipe(struct drm_device
*dev
,
248 extern struct drm_connector
*psb_intel_sdvo_find(struct drm_device
*dev
,
250 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector
*connector
);
251 extern void psb_intel_sdvo_set_hotplug(struct drm_connector
*connector
,
253 extern int intelfb_probe(struct drm_device
*dev
);
254 extern int intelfb_remove(struct drm_device
*dev
,
255 struct drm_framebuffer
*fb
);
256 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder
*encoder
,
257 const struct drm_display_mode
*mode
,
258 struct drm_display_mode
*adjusted_mode
);
259 extern enum drm_mode_status
psb_intel_lvds_mode_valid(struct drm_connector
*connector
,
260 struct drm_display_mode
*mode
);
261 extern int psb_intel_lvds_set_property(struct drm_connector
*connector
,
262 struct drm_property
*property
,
264 extern void psb_intel_lvds_destroy(struct drm_connector
*connector
);
265 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs
;
268 extern void gma_intel_i2c_reset(struct drm_device
*dev
);
269 extern int gma_intel_setup_gmbus(struct drm_device
*dev
);
270 extern void gma_intel_gmbus_set_speed(struct i2c_adapter
*adapter
, int speed
);
271 extern void gma_intel_gmbus_force_bit(struct i2c_adapter
*adapter
, bool force_bit
);
272 extern void gma_intel_teardown_gmbus(struct drm_device
*dev
);
275 extern void cdv_intel_dp_init(struct drm_device
*dev
, struct psb_intel_mode_device
*mode_dev
, int output_reg
);
276 extern void cdv_intel_dp_set_m_n(struct drm_crtc
*crtc
,
277 struct drm_display_mode
*mode
,
278 struct drm_display_mode
*adjusted_mode
);
280 extern void psb_intel_attach_force_audio_property(struct drm_connector
*connector
);
281 extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
283 extern int cdv_sb_read(struct drm_device
*dev
, u32 reg
, u32
*val
);
284 extern int cdv_sb_write(struct drm_device
*dev
, u32 reg
, u32 val
);
285 extern void cdv_sb_reset(struct drm_device
*dev
);
287 extern void cdv_intel_attach_force_audio_property(struct drm_connector
*connector
);
288 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
290 #endif /* __INTEL_DRV_H__ */