1 /*
2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 * IN THE SOFTWARE.
24 */
25 #ifndef __INTEL_DRV_H__
26 #define __INTEL_DRV_H__
27
28 #include <linux/i2c.h>
29 #include "i915_drv.h"
30 #include "drm_crtc.h"
31 #include "drm_crtc_helper.h"
32 #include "drm_fb_helper.h"
33
34 #define _wait_for(COND, MS, W) ({ \
35 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
36 int ret__ = 0; \
37 while (! (COND)) { \
38 if (time_after(jiffies, timeout__)) { \
39 ret__ = -ETIMEDOUT; \
40 break; \
41 } \
42 if (W && !(in_atomic() || in_dbg_master())) msleep(W); \
43 } \
44 ret__; \
45 })
46
47 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
48 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
49
50 #define MSLEEP(x) do { \
51 if (in_dbg_master()) \
52 mdelay(x); \
53 else \
54 msleep(x); \
55 } while(0)
56
57 #define KHz(x) (1000*x)
58 #define MHz(x) KHz(1000*x)
59
60 /*
61 * Display related stuff
62 */
63
64 /* store information about an Ixxx DVO */
65 /* The i830->i865 use multiple DVOs with multiple i2cs */
66 /* the i915, i945 have a single sDVO i2c bus - which is different */
67 #define MAX_OUTPUTS 6
68 /* maximum connectors per crtcs in the mode set */
69 #define INTELFB_CONN_LIMIT 4
70
71 #define INTEL_I2C_BUS_DVO 1
72 #define INTEL_I2C_BUS_SDVO 2
73
74 /* these are outputs from the chip - integrated only
75 external chips are via DVO or SDVO output */
76 #define INTEL_OUTPUT_UNUSED 0
77 #define INTEL_OUTPUT_ANALOG 1
78 #define INTEL_OUTPUT_DVO 2
79 #define INTEL_OUTPUT_SDVO 3
80 #define INTEL_OUTPUT_LVDS 4
81 #define INTEL_OUTPUT_TVOUT 5
82 #define INTEL_OUTPUT_HDMI 6
83 #define INTEL_OUTPUT_DISPLAYPORT 7
84 #define INTEL_OUTPUT_EDP 8
85
86 /* Intel Pipe Clone Bit */
87 #define INTEL_HDMIB_CLONE_BIT 1
88 #define INTEL_HDMIC_CLONE_BIT 2
89 #define INTEL_HDMID_CLONE_BIT 3
90 #define INTEL_HDMIE_CLONE_BIT 4
91 #define INTEL_HDMIF_CLONE_BIT 5
92 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
93 #define INTEL_SDVO_TV_CLONE_BIT 7
94 #define INTEL_SDVO_LVDS_CLONE_BIT 8
95 #define INTEL_ANALOG_CLONE_BIT 9
96 #define INTEL_TV_CLONE_BIT 10
97 #define INTEL_DP_B_CLONE_BIT 11
98 #define INTEL_DP_C_CLONE_BIT 12
99 #define INTEL_DP_D_CLONE_BIT 13
100 #define INTEL_LVDS_CLONE_BIT 14
101 #define INTEL_DVO_TMDS_CLONE_BIT 15
102 #define INTEL_DVO_LVDS_CLONE_BIT 16
103 #define INTEL_EDP_CLONE_BIT 17
104
105 #define INTEL_DVO_CHIP_NONE 0
106 #define INTEL_DVO_CHIP_LVDS 1
107 #define INTEL_DVO_CHIP_TMDS 2
108 #define INTEL_DVO_CHIP_TVOUT 4
109
110 /* drm_display_mode->private_flags */
111 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
112 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
113
114 static inline void
intel_mode_set_pixel_multiplier(struct drm_display_mode * mode,int multiplier)115 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
116 int multiplier)
117 {
118 mode->clock *= multiplier;
119 mode->private_flags |= multiplier;
120 }
121
122 static inline int
intel_mode_get_pixel_multiplier(const struct drm_display_mode * mode)123 intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
124 {
125 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
126 }
127
128 struct intel_framebuffer {
129 struct drm_framebuffer base;
130 struct drm_i915_gem_object *obj;
131 };
132
133 struct intel_fbdev {
134 struct drm_fb_helper helper;
135 struct intel_framebuffer ifb;
136 struct list_head fbdev_list;
137 struct drm_display_mode *our_mode;
138 };
139
140 struct intel_encoder {
141 struct drm_encoder base;
142 int type;
143 bool load_detect_temp;
144 bool needs_tv_clock;
145 void (*hot_plug)(struct intel_encoder *);
146 int crtc_mask;
147 int clone_mask;
148 };
149
150 struct intel_connector {
151 struct drm_connector base;
152 struct intel_encoder *encoder;
153 };
154
155 struct intel_crtc {
156 struct drm_crtc base;
157 enum pipe pipe;
158 enum plane plane;
159 u8 lut_r[256], lut_g[256], lut_b[256];
160 int dpms_mode;
161 bool active; /* is the crtc on? independent of the dpms mode */
162 bool busy; /* is scanout buffer being updated frequently? */
163 struct timer_list idle_timer;
164 bool lowfreq_avail;
165 struct intel_overlay *overlay;
166 struct intel_unpin_work *unpin_work;
167 int fdi_lanes;
168
169 struct drm_i915_gem_object *cursor_bo;
170 uint32_t cursor_addr;
171 int16_t cursor_x, cursor_y;
172 int16_t cursor_width, cursor_height;
173 bool cursor_visible;
174 };
175
176 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
177 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
178 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
179 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
180
181 #define DIP_TYPE_AVI 0x82
182 #define DIP_VERSION_AVI 0x2
183 #define DIP_LEN_AVI 13
184
185 struct dip_infoframe {
186 uint8_t type; /* HB0 */
187 uint8_t ver; /* HB1 */
188 uint8_t len; /* HB2 - body len, not including checksum */
189 uint8_t ecc; /* Header ECC */
190 uint8_t checksum; /* PB0 */
191 union {
192 struct {
193 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
194 uint8_t Y_A_B_S;
195 /* PB2 - C 7:6, M 5:4, R 3:0 */
196 uint8_t C_M_R;
197 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
198 uint8_t ITC_EC_Q_SC;
199 /* PB4 - VIC 6:0 */
200 uint8_t VIC;
201 /* PB5 - PR 3:0 */
202 uint8_t PR;
203 /* PB6 to PB13 */
204 uint16_t top_bar_end;
205 uint16_t bottom_bar_start;
206 uint16_t left_bar_end;
207 uint16_t right_bar_start;
208 } avi;
209 uint8_t payload[27];
210 } __attribute__ ((packed)) body;
211 } __attribute__((packed));
212
213 static inline struct drm_crtc *
intel_get_crtc_for_pipe(struct drm_device * dev,int pipe)214 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
215 {
216 struct drm_i915_private *dev_priv = dev->dev_private;
217 return dev_priv->pipe_to_crtc_mapping[pipe];
218 }
219
220 static inline struct drm_crtc *
intel_get_crtc_for_plane(struct drm_device * dev,int plane)221 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
222 {
223 struct drm_i915_private *dev_priv = dev->dev_private;
224 return dev_priv->plane_to_crtc_mapping[plane];
225 }
226
227 struct intel_unpin_work {
228 struct work_struct work;
229 struct drm_device *dev;
230 struct drm_i915_gem_object *old_fb_obj;
231 struct drm_i915_gem_object *pending_flip_obj;
232 struct drm_pending_vblank_event *event;
233 int pending;
234 bool enable_stall_check;
235 };
236
237 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
238 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
239
240 extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
241
242 extern void intel_crt_init(struct drm_device *dev);
243 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
244 void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
245 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
246 extern void intel_dvo_init(struct drm_device *dev);
247 extern void intel_tv_init(struct drm_device *dev);
248 extern void intel_mark_busy(struct drm_device *dev,
249 struct drm_i915_gem_object *obj);
250 extern bool intel_lvds_init(struct drm_device *dev);
251 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
252 void
253 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
254 struct drm_display_mode *adjusted_mode);
255 extern bool intel_dpd_is_edp(struct drm_device *dev);
256 extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
257 extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
258
259 /* intel_panel.c */
260 extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
261 struct drm_display_mode *adjusted_mode);
262 extern void intel_pch_panel_fitting(struct drm_device *dev,
263 int fitting_mode,
264 struct drm_display_mode *mode,
265 struct drm_display_mode *adjusted_mode);
266 extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
267 extern u32 intel_panel_get_backlight(struct drm_device *dev);
268 extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
269 extern void intel_panel_setup_backlight(struct drm_device *dev);
270 extern void intel_panel_enable_backlight(struct drm_device *dev);
271 extern void intel_panel_disable_backlight(struct drm_device *dev);
272 extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
273
274 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
275 extern void intel_encoder_prepare (struct drm_encoder *encoder);
276 extern void intel_encoder_commit (struct drm_encoder *encoder);
277 extern void intel_encoder_destroy(struct drm_encoder *encoder);
278
intel_attached_encoder(struct drm_connector * connector)279 static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
280 {
281 return to_intel_connector(connector)->encoder;
282 }
283
284 extern void intel_connector_attach_encoder(struct intel_connector *connector,
285 struct intel_encoder *encoder);
286 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
287
288 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
289 struct drm_crtc *crtc);
290 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
291 struct drm_file *file_priv);
292 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
293 extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
294 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
295 struct drm_connector *connector,
296 struct drm_display_mode *mode,
297 int *dpms_mode);
298 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
299 struct drm_connector *connector,
300 int dpms_mode);
301
302 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
303 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
304 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
305 extern void intelfb_restore(void);
306 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
307 u16 blue, int regno);
308 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
309 u16 *blue, int regno);
310 extern void intel_enable_clock_gating(struct drm_device *dev);
311 extern void ironlake_enable_drps(struct drm_device *dev);
312 extern void ironlake_disable_drps(struct drm_device *dev);
313 extern void gen6_enable_rps(struct drm_i915_private *dev_priv);
314 extern void gen6_disable_rps(struct drm_device *dev);
315 extern void intel_init_emon(struct drm_device *dev);
316
317 extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
318 struct drm_i915_gem_object *obj,
319 struct intel_ring_buffer *pipelined);
320
321 extern int intel_framebuffer_init(struct drm_device *dev,
322 struct intel_framebuffer *ifb,
323 struct drm_mode_fb_cmd *mode_cmd,
324 struct drm_i915_gem_object *obj);
325 extern int intel_fbdev_init(struct drm_device *dev);
326 extern void intel_fbdev_fini(struct drm_device *dev);
327
328 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
329 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
330 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
331
332 extern void intel_setup_overlay(struct drm_device *dev);
333 extern void intel_cleanup_overlay(struct drm_device *dev);
334 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
335 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
336 struct drm_file *file_priv);
337 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
338 struct drm_file *file_priv);
339
340 extern void intel_fb_output_poll_changed(struct drm_device *dev);
341 extern void intel_fb_restore_mode(struct drm_device *dev);
342 #endif /* __INTEL_DRV_H__ */
343