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1/*
2 * Copyright (c) 2009, 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
5352161f 14 * this program; if not, write to the Free Software Foundation, Inc.,
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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
28/*
29 * MOORESTOWN defines
30 */
31#define DELAY_TIME1 2000 /* 1000 = 1ms */
32
33/*
34 * Display related stuff
35 */
36
37/* store information about an Ixxx DVO */
38/* The i830->i865 use multiple DVOs with multiple i2cs */
39/* the i915, i945 have a single sDVO i2c bus - which is different */
40#define MAX_OUTPUTS 6
41/* maximum connectors per crtcs in the mode set */
42#define INTELFB_CONN_LIMIT 4
43
44#define INTEL_I2C_BUS_DVO 1
45#define INTEL_I2C_BUS_SDVO 2
46
47/* these are outputs from the chip - integrated only
48 * external chips are via DVO or SDVO output */
49#define INTEL_OUTPUT_UNUSED 0
50#define INTEL_OUTPUT_ANALOG 1
51#define INTEL_OUTPUT_DVO 2
52#define INTEL_OUTPUT_SDVO 3
53#define INTEL_OUTPUT_LVDS 4
54#define INTEL_OUTPUT_TVOUT 5
55#define INTEL_OUTPUT_HDMI 6
56#define INTEL_OUTPUT_MIPI 7
57#define INTEL_OUTPUT_MIPI2 8
58
59#define INTEL_DVO_CHIP_NONE 0
60#define INTEL_DVO_CHIP_LVDS 1
61#define INTEL_DVO_CHIP_TMDS 2
62#define INTEL_DVO_CHIP_TVOUT 4
63
64enum mipi_panel_type {
65 NSC_800X480 = 1,
66 LGE_480X1024 = 2,
67 TPO_864X480 = 3
68};
69
70/**
71 * Hold information useally put on the device driver privates here,
72 * since it needs to be shared across multiple of devices drivers privates.
73*/
74struct psb_intel_mode_device {
75
76 /*
77 * Abstracted memory manager operations
78 */
0867b421 79 size_t(*bo_offset) (struct drm_device *dev, void *bo);
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80
81 /*
82 * Cursor
83 */
84 int cursor_needs_physical;
85
86 /*
87 * LVDS info
88 */
89 int backlight_duty_cycle; /* restore backlight to this value */
90 bool panel_wants_dither;
91 struct drm_display_mode *panel_fixed_mode;
92 struct drm_display_mode *panel_fixed_mode2;
93 struct drm_display_mode *vbt_mode; /* if any */
94
95 uint32_t saveBLC_PWM_CTL;
96};
97
98struct psb_intel_i2c_chan {
99 /* for getting at dev. private (mmio etc.) */
100 struct drm_device *drm_dev;
101 u32 reg; /* GPIO reg */
102 struct i2c_adapter adapter;
103 struct i2c_algo_bit_data algo;
104 u8 slave_addr;
105};
106
107struct psb_intel_output {
108 struct drm_connector base;
109
110 struct drm_encoder enc;
111 int type;
112
113 struct psb_intel_i2c_chan *i2c_bus; /* for control functions */
114 struct psb_intel_i2c_chan *ddc_bus; /* for DDC only stuff */
115 bool load_detect_temp;
116 void *dev_priv;
117
118 struct psb_intel_mode_device *mode_dev;
119
120};
121
122struct psb_intel_crtc_state {
123 uint32_t saveDSPCNTR;
124 uint32_t savePIPECONF;
125 uint32_t savePIPESRC;
126 uint32_t saveDPLL;
127 uint32_t saveFP0;
128 uint32_t saveFP1;
129 uint32_t saveHTOTAL;
130 uint32_t saveHBLANK;
131 uint32_t saveHSYNC;
132 uint32_t saveVTOTAL;
133 uint32_t saveVBLANK;
134 uint32_t saveVSYNC;
135 uint32_t saveDSPSTRIDE;
136 uint32_t saveDSPSIZE;
137 uint32_t saveDSPPOS;
138 uint32_t saveDSPBASE;
139 uint32_t savePalette[256];
140};
141
142struct psb_intel_crtc {
143 struct drm_crtc base;
144 int pipe;
145 int plane;
146 uint32_t cursor_addr;
147 u8 lut_r[256], lut_g[256], lut_b[256];
148 u8 lut_adj[256];
149 struct psb_intel_framebuffer *fbdev_fb;
150 /* a mode_set for fbdev users on this crtc */
151 struct drm_mode_set mode_set;
152
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153 /* GEM object that holds our cursor */
154 struct drm_gem_object *cursor_obj;
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155
156 struct drm_display_mode saved_mode;
157 struct drm_display_mode saved_adjusted_mode;
158
159 struct psb_intel_mode_device *mode_dev;
160
161 /*crtc mode setting flags*/
162 u32 mode_flags;
163
164 /* Saved Crtc HW states */
165 struct psb_intel_crtc_state *crtc_state;
166};
167
168#define to_psb_intel_crtc(x) \
169 container_of(x, struct psb_intel_crtc, base)
170#define to_psb_intel_output(x) \
171 container_of(x, struct psb_intel_output, base)
172#define enc_to_psb_intel_output(x) \
173 container_of(x, struct psb_intel_output, enc)
174#define to_psb_intel_framebuffer(x) \
175 container_of(x, struct psb_intel_framebuffer, base)
176
177struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
178 const u32 reg, const char *name);
179void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
180int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output);
181extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output);
182
183extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
184 struct psb_intel_mode_device *mode_dev);
185extern void psb_intel_crt_init(struct drm_device *dev);
186extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device);
187extern void psb_intel_dvo_init(struct drm_device *dev);
188extern void psb_intel_tv_init(struct drm_device *dev);
189extern void psb_intel_lvds_init(struct drm_device *dev,
190 struct psb_intel_mode_device *mode_dev);
191extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
192extern void mrst_lvds_init(struct drm_device *dev,
193 struct psb_intel_mode_device *mode_dev);
194extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev);
195extern void mrst_dsi_init(struct drm_device *dev,
196 struct psb_intel_mode_device *mode_dev);
197extern void mid_dsi_init(struct drm_device *dev,
198 struct psb_intel_mode_device *mode_dev, int dsi_num);
199
200extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
201extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
202extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
203
204extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
205 *connector);
206
207extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
208 struct drm_crtc *crtc);
209extern void psb_intel_wait_for_vblank(struct drm_device *dev);
210extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
211 struct drm_file *file_priv);
212extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
213 int pipe);
214extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
215 int sdvoB);
216extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
217extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
218 int enable);
219extern int intelfb_probe(struct drm_device *dev);
220extern int intelfb_remove(struct drm_device *dev,
221 struct drm_framebuffer *fb);
222extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
223 *dev, struct
224 drm_mode_fb_cmd
225 *mode_cmd,
226 void *mm_private);
227extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
228 struct drm_display_mode *mode,
229 struct drm_display_mode *adjusted_mode);
230extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
231 struct drm_display_mode *mode);
232extern int psb_intel_lvds_set_property(struct drm_connector *connector,
233 struct drm_property *property,
234 uint64_t value);
235extern void psb_intel_lvds_destroy(struct drm_connector *connector);
236extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
237
238#endif /* __INTEL_DRV_H__ */