Loading...
Note: File does not exist in v3.1.
1/*
2 * Copyright (c) 2009-2011, Intel Corporation.
3 *
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.
7 *
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
11 * more details.
12 *
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.
16 *
17 */
18
19#ifndef __INTEL_DRV_H__
20#define __INTEL_DRV_H__
21
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>
27#include "gma_display.h"
28
29/*
30 * Display related stuff
31 */
32
33/* maximum connectors per crtcs in the mode set */
34#define INTELFB_CONN_LIMIT 4
35
36/* Intel Pipe Clone Bit */
37#define INTEL_HDMIB_CLONE_BIT 1
38#define INTEL_HDMIC_CLONE_BIT 2
39#define INTEL_HDMID_CLONE_BIT 3
40#define INTEL_HDMIE_CLONE_BIT 4
41#define INTEL_HDMIF_CLONE_BIT 5
42#define INTEL_SDVO_NON_TV_CLONE_BIT 6
43#define INTEL_SDVO_TV_CLONE_BIT 7
44#define INTEL_SDVO_LVDS_CLONE_BIT 8
45#define INTEL_ANALOG_CLONE_BIT 9
46#define INTEL_TV_CLONE_BIT 10
47#define INTEL_DP_B_CLONE_BIT 11
48#define INTEL_DP_C_CLONE_BIT 12
49#define INTEL_DP_D_CLONE_BIT 13
50#define INTEL_LVDS_CLONE_BIT 14
51#define INTEL_DVO_TMDS_CLONE_BIT 15
52#define INTEL_DVO_LVDS_CLONE_BIT 16
53#define INTEL_EDP_CLONE_BIT 17
54
55/* these are outputs from the chip - integrated only
56 * external chips are via DVO or SDVO output */
57#define INTEL_OUTPUT_UNUSED 0
58#define INTEL_OUTPUT_ANALOG 1
59#define INTEL_OUTPUT_DVO 2
60#define INTEL_OUTPUT_SDVO 3
61#define INTEL_OUTPUT_LVDS 4
62#define INTEL_OUTPUT_TVOUT 5
63#define INTEL_OUTPUT_HDMI 6
64#define INTEL_OUTPUT_MIPI 7
65#define INTEL_OUTPUT_MIPI2 8
66#define INTEL_OUTPUT_DISPLAYPORT 9
67#define INTEL_OUTPUT_EDP 10
68
69#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
70#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
71
72static inline void
73psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
74 int multiplier)
75{
76 mode->clock *= multiplier;
77 mode->private_flags |= multiplier;
78}
79
80static inline int
81psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
82{
83 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK)
84 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
85}
86
87
88/*
89 * Hold information useally put on the device driver privates here,
90 * since it needs to be shared across multiple of devices drivers privates.
91 */
92struct psb_intel_mode_device {
93
94 /*
95 * Abstracted memory manager operations
96 */
97 size_t(*bo_offset) (struct drm_device *dev, void *bo);
98
99 /*
100 * LVDS info
101 */
102 int backlight_duty_cycle; /* restore backlight to this value */
103 bool panel_wants_dither;
104 struct drm_display_mode *panel_fixed_mode;
105 struct drm_display_mode *panel_fixed_mode2;
106 struct drm_display_mode *vbt_mode; /* if any */
107
108 uint32_t saveBLC_PWM_CTL;
109};
110
111struct psb_intel_i2c_chan {
112 /* for getting at dev. private (mmio etc.) */
113 struct drm_device *drm_dev;
114 u32 reg; /* GPIO reg */
115 struct i2c_adapter adapter;
116 struct i2c_algo_bit_data algo;
117 u8 slave_addr;
118};
119
120struct gma_encoder {
121 struct drm_encoder base;
122 int type;
123 bool needs_tv_clock;
124 void (*hot_plug)(struct gma_encoder *);
125 int crtc_mask;
126 int clone_mask;
127 u32 ddi_select; /* Channel info */
128#define DDI0_SELECT 0x01
129#define DDI1_SELECT 0x02
130#define DP_MASK 0x8000
131#define DDI_MASK 0x03
132 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
133
134 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
135 own set of output privates */
136 struct psb_intel_i2c_chan *i2c_bus;
137 struct psb_intel_i2c_chan *ddc_bus;
138};
139
140struct gma_connector {
141 struct drm_connector base;
142 struct gma_encoder *encoder;
143
144 void (*save)(struct drm_connector *connector);
145 void (*restore)(struct drm_connector *connector);
146};
147
148struct psb_intel_crtc_state {
149 uint32_t saveDSPCNTR;
150 uint32_t savePIPECONF;
151 uint32_t savePIPESRC;
152 uint32_t saveDPLL;
153 uint32_t saveFP0;
154 uint32_t saveFP1;
155 uint32_t saveHTOTAL;
156 uint32_t saveHBLANK;
157 uint32_t saveHSYNC;
158 uint32_t saveVTOTAL;
159 uint32_t saveVBLANK;
160 uint32_t saveVSYNC;
161 uint32_t saveDSPSTRIDE;
162 uint32_t saveDSPSIZE;
163 uint32_t saveDSPPOS;
164 uint32_t saveDSPBASE;
165 uint32_t savePalette[256];
166};
167
168struct gma_crtc {
169 struct drm_crtc base;
170 int pipe;
171 int plane;
172 uint32_t cursor_addr;
173 struct gtt_range *cursor_gt;
174 u8 lut_r[256], lut_g[256], lut_b[256];
175 u8 lut_adj[256];
176 struct psb_intel_framebuffer *fbdev_fb;
177 /* a mode_set for fbdev users on this crtc */
178 struct drm_mode_set mode_set;
179
180 /* GEM object that holds our cursor */
181 struct drm_gem_object *cursor_obj;
182
183 struct drm_display_mode saved_mode;
184 struct drm_display_mode saved_adjusted_mode;
185
186 struct psb_intel_mode_device *mode_dev;
187
188 /*crtc mode setting flags*/
189 u32 mode_flags;
190
191 bool active;
192
193 /* Saved Crtc HW states */
194 struct psb_intel_crtc_state *crtc_state;
195
196 const struct gma_clock_funcs *clock_funcs;
197};
198
199#define to_gma_crtc(x) \
200 container_of(x, struct gma_crtc, base)
201#define to_gma_connector(x) \
202 container_of(x, struct gma_connector, base)
203#define to_gma_encoder(x) \
204 container_of(x, struct gma_encoder, base)
205#define to_psb_intel_framebuffer(x) \
206 container_of(x, struct psb_intel_framebuffer, base)
207
208struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
209 const u32 reg, const char *name);
210void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
211int psb_intel_ddc_get_modes(struct drm_connector *connector,
212 struct i2c_adapter *adapter);
213extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
214
215extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
216 struct psb_intel_mode_device *mode_dev);
217extern void psb_intel_crt_init(struct drm_device *dev);
218extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
219extern void psb_intel_dvo_init(struct drm_device *dev);
220extern void psb_intel_tv_init(struct drm_device *dev);
221extern void psb_intel_lvds_init(struct drm_device *dev,
222 struct psb_intel_mode_device *mode_dev);
223extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
224extern void oaktrail_lvds_init(struct drm_device *dev,
225 struct psb_intel_mode_device *mode_dev);
226extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
227extern void oaktrail_dsi_init(struct drm_device *dev,
228 struct psb_intel_mode_device *mode_dev);
229extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder);
230extern void mid_dsi_init(struct drm_device *dev,
231 struct psb_intel_mode_device *mode_dev, int dsi_num);
232
233extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector);
234extern void gma_connector_attach_encoder(struct gma_connector *connector,
235 struct gma_encoder *encoder);
236
237static inline struct gma_encoder *gma_attached_encoder(
238 struct drm_connector *connector)
239{
240 return to_gma_connector(connector)->encoder;
241}
242
243extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
244 struct drm_crtc *crtc);
245extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
246 int pipe);
247extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
248 int sdvoB);
249extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
250extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
251 int enable);
252extern int intelfb_probe(struct drm_device *dev);
253extern int intelfb_remove(struct drm_device *dev,
254 struct drm_framebuffer *fb);
255extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
256 const struct drm_display_mode *mode,
257 struct drm_display_mode *adjusted_mode);
258extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
259 struct drm_display_mode *mode);
260extern int psb_intel_lvds_set_property(struct drm_connector *connector,
261 struct drm_property *property,
262 uint64_t value);
263extern void psb_intel_lvds_destroy(struct drm_connector *connector);
264extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
265
266/* intel_gmbus.c */
267extern void gma_intel_i2c_reset(struct drm_device *dev);
268extern int gma_intel_setup_gmbus(struct drm_device *dev);
269extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
270extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
271extern void gma_intel_teardown_gmbus(struct drm_device *dev);
272
273/* DP support */
274extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg);
275extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc,
276 struct drm_display_mode *mode,
277 struct drm_display_mode *adjusted_mode);
278
279extern void psb_intel_attach_force_audio_property(struct drm_connector *connector);
280extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
281
282extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val);
283extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val);
284extern void cdv_sb_reset(struct drm_device *dev);
285
286extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector);
287extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
288
289#endif /* __INTEL_DRV_H__ */