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 #define INTEL_I2C_BUS_DVO 1
36 #define INTEL_I2C_BUS_SDVO 2
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_DVO_CHIP_NONE 0
72 #define INTEL_DVO_CHIP_LVDS 1
73 #define INTEL_DVO_CHIP_TMDS 2
74 #define INTEL_DVO_CHIP_TVOUT 4
76 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
77 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
80 psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
83 mode->clock *= multiplier;
84 mode->private_flags |= multiplier;
88 psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
90 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK)
91 >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
96 * Hold information useally put on the device driver privates here,
97 * since it needs to be shared across multiple of devices drivers privates.
99 struct psb_intel_mode_device {
102 * Abstracted memory manager operations
104 size_t(*bo_offset) (struct drm_device *dev, void *bo);
109 int backlight_duty_cycle; /* restore backlight to this value */
110 bool panel_wants_dither;
111 struct drm_display_mode *panel_fixed_mode;
112 struct drm_display_mode *panel_fixed_mode2;
113 struct drm_display_mode *vbt_mode; /* if any */
115 uint32_t saveBLC_PWM_CTL;
118 struct psb_intel_i2c_chan {
119 /* for getting at dev. private (mmio etc.) */
120 struct drm_device *drm_dev;
121 u32 reg; /* GPIO reg */
122 struct i2c_adapter adapter;
123 struct i2c_algo_bit_data algo;
127 struct psb_intel_encoder {
128 struct drm_encoder base;
131 void (*hot_plug)(struct psb_intel_encoder *);
134 u32 ddi_select; /* Channel info */
135 #define DDI0_SELECT 0x01
136 #define DDI1_SELECT 0x02
137 #define DP_MASK 0x8000;
138 #define DDI_MASK 0x03
139 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
141 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
142 own set of output privates */
143 struct psb_intel_i2c_chan *i2c_bus;
144 struct psb_intel_i2c_chan *ddc_bus;
147 struct psb_intel_connector {
148 struct drm_connector base;
149 struct psb_intel_encoder *encoder;
152 struct psb_intel_crtc_state {
153 uint32_t saveDSPCNTR;
154 uint32_t savePIPECONF;
155 uint32_t savePIPESRC;
165 uint32_t saveDSPSTRIDE;
166 uint32_t saveDSPSIZE;
168 uint32_t saveDSPBASE;
169 uint32_t savePalette[256];
172 struct psb_intel_crtc {
173 struct drm_crtc base;
176 uint32_t cursor_addr;
177 struct gtt_range *cursor_gt;
178 u8 lut_r[256], lut_g[256], lut_b[256];
180 struct psb_intel_framebuffer *fbdev_fb;
181 /* a mode_set for fbdev users on this crtc */
182 struct drm_mode_set mode_set;
184 /* GEM object that holds our cursor */
185 struct drm_gem_object *cursor_obj;
187 struct drm_display_mode saved_mode;
188 struct drm_display_mode saved_adjusted_mode;
190 struct psb_intel_mode_device *mode_dev;
192 /*crtc mode setting flags*/
198 /* Saved Crtc HW states */
199 struct psb_intel_crtc_state *crtc_state;
202 #define to_psb_intel_crtc(x) \
203 container_of(x, struct psb_intel_crtc, base)
204 #define to_psb_intel_connector(x) \
205 container_of(x, struct psb_intel_connector, base)
206 #define to_psb_intel_encoder(x) \
207 container_of(x, struct psb_intel_encoder, base)
208 #define to_psb_intel_framebuffer(x) \
209 container_of(x, struct psb_intel_framebuffer, base)
211 struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
212 const u32 reg, const char *name);
213 void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
214 int psb_intel_ddc_get_modes(struct drm_connector *connector,
215 struct i2c_adapter *adapter);
216 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
218 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
219 struct psb_intel_mode_device *mode_dev);
220 extern void psb_intel_crt_init(struct drm_device *dev);
221 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
222 extern void psb_intel_dvo_init(struct drm_device *dev);
223 extern void psb_intel_tv_init(struct drm_device *dev);
224 extern void psb_intel_lvds_init(struct drm_device *dev,
225 struct psb_intel_mode_device *mode_dev);
226 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
227 extern void oaktrail_lvds_init(struct drm_device *dev,
228 struct psb_intel_mode_device *mode_dev);
229 extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
230 extern void oaktrail_dsi_init(struct drm_device *dev,
231 struct psb_intel_mode_device *mode_dev);
232 extern void mid_dsi_init(struct drm_device *dev,
233 struct psb_intel_mode_device *mode_dev, int dsi_num);
235 extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
236 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
237 extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
238 extern void psb_intel_encoder_destroy(struct drm_encoder *encoder);
240 static inline struct psb_intel_encoder *psb_intel_attached_encoder(
241 struct drm_connector *connector)
243 return to_psb_intel_connector(connector)->encoder;
246 extern void psb_intel_connector_attach_encoder(
247 struct psb_intel_connector *connector,
248 struct psb_intel_encoder *encoder);
250 extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
253 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
254 struct drm_crtc *crtc);
255 extern void psb_intel_wait_for_vblank(struct drm_device *dev);
256 extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
257 struct drm_file *file_priv);
258 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
260 extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
262 extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
263 extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
265 extern int intelfb_probe(struct drm_device *dev);
266 extern int intelfb_remove(struct drm_device *dev,
267 struct drm_framebuffer *fb);
268 extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
273 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
274 const struct drm_display_mode *mode,
275 struct drm_display_mode *adjusted_mode);
276 extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
277 struct drm_display_mode *mode);
278 extern int psb_intel_lvds_set_property(struct drm_connector *connector,
279 struct drm_property *property,
281 extern void psb_intel_lvds_destroy(struct drm_connector *connector);
282 extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
285 extern void gma_intel_i2c_reset(struct drm_device *dev);
286 extern int gma_intel_setup_gmbus(struct drm_device *dev);
287 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
288 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
289 extern void gma_intel_teardown_gmbus(struct drm_device *dev);
291 #endif /* __INTEL_DRV_H__ */