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__ */