]> git.ipfire.org Git - thirdparty/kernel/stable.git/blob - drivers/gpu/drm/gma500/psb_intel_drv.h
Merge branch 'drm-next-5.1' of git://people.freedesktop.org/~agd5f/linux into drm...
[thirdparty/kernel/stable.git] / drivers / gpu / drm / gma500 / psb_intel_drv.h
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 <drm/drm_encoder.h>
27 #include <drm/drm_probe_helper.h>
28 #include <linux/gpio.h>
29 #include "gma_display.h"
30
31 /*
32 * Display related stuff
33 */
34
35 /* maximum connectors per crtcs in the mode set */
36 #define INTELFB_CONN_LIMIT 4
37
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
56
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
70
71 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
72 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
73
74 static inline void
75 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
76 int multiplier)
77 {
78 mode->clock *= multiplier;
79 mode->private_flags |= multiplier;
80 }
81
82 static inline int
83 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
84 {
85 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK)
86 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
87 }
88
89
90 /*
91 * Hold information useally put on the device driver privates here,
92 * since it needs to be shared across multiple of devices drivers privates.
93 */
94 struct psb_intel_mode_device {
95
96 /*
97 * Abstracted memory manager operations
98 */
99 size_t(*bo_offset) (struct drm_device *dev, void *bo);
100
101 /*
102 * LVDS info
103 */
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 */
109
110 uint32_t saveBLC_PWM_CTL;
111 };
112
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;
119 u8 slave_addr;
120 };
121
122 struct gma_encoder {
123 struct drm_encoder base;
124 int type;
125 bool needs_tv_clock;
126 void (*hot_plug)(struct gma_encoder *);
127 int crtc_mask;
128 int clone_mask;
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... */
135
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;
140 };
141
142 struct gma_connector {
143 struct drm_connector base;
144 struct gma_encoder *encoder;
145
146 void (*save)(struct drm_connector *connector);
147 void (*restore)(struct drm_connector *connector);
148 };
149
150 struct psb_intel_crtc_state {
151 uint32_t saveDSPCNTR;
152 uint32_t savePIPECONF;
153 uint32_t savePIPESRC;
154 uint32_t saveDPLL;
155 uint32_t saveFP0;
156 uint32_t saveFP1;
157 uint32_t saveHTOTAL;
158 uint32_t saveHBLANK;
159 uint32_t saveHSYNC;
160 uint32_t saveVTOTAL;
161 uint32_t saveVBLANK;
162 uint32_t saveVSYNC;
163 uint32_t saveDSPSTRIDE;
164 uint32_t saveDSPSIZE;
165 uint32_t saveDSPPOS;
166 uint32_t saveDSPBASE;
167 uint32_t savePalette[256];
168 };
169
170 struct gma_crtc {
171 struct drm_crtc base;
172 int pipe;
173 int plane;
174 uint32_t cursor_addr;
175 struct gtt_range *cursor_gt;
176 u8 lut_adj[256];
177 struct psb_intel_framebuffer *fbdev_fb;
178 /* a mode_set for fbdev users on this crtc */
179 struct drm_mode_set mode_set;
180
181 /* GEM object that holds our cursor */
182 struct drm_gem_object *cursor_obj;
183
184 struct drm_display_mode saved_mode;
185 struct drm_display_mode saved_adjusted_mode;
186
187 struct psb_intel_mode_device *mode_dev;
188
189 /*crtc mode setting flags*/
190 u32 mode_flags;
191
192 bool active;
193
194 /* Saved Crtc HW states */
195 struct psb_intel_crtc_state *crtc_state;
196
197 const struct gma_clock_funcs *clock_funcs;
198 };
199
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)
208
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);
215
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);
233
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);
237
238 static inline struct gma_encoder *gma_attached_encoder(
239 struct drm_connector *connector)
240 {
241 return to_gma_connector(connector)->encoder;
242 }
243
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,
247 int pipe);
248 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
249 int sdvoB);
250 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
251 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
252 int enable);
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,
263 uint64_t value);
264 extern void psb_intel_lvds_destroy(struct drm_connector *connector);
265 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
266
267 /* intel_gmbus.c */
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);
273
274 /* DP support */
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);
279
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);
282
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);
286
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);
289
290 #endif /* __INTEL_DRV_H__ */