2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
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:
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
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
25 #ifndef __INTEL_DRV_H__
26 #define __INTEL_DRV_H__
28 #include <linux/i2c.h>
29 #include <linux/i2c-id.h>
30 #include <linux/i2c-algo-bit.h>
34 #include "drm_crtc_helper.h"
36 #define _wait_for(COND, MS, W) ({ \
37 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
40 if (time_after(jiffies, timeout__)) { \
44 if (W && !in_dbg_master()) msleep(W); \
49 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
50 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
53 * Display related stuff
56 /* store information about an Ixxx DVO */
57 /* The i830->i865 use multiple DVOs with multiple i2cs */
58 /* the i915, i945 have a single sDVO i2c bus - which is different */
60 /* maximum connectors per crtcs in the mode set */
61 #define INTELFB_CONN_LIMIT 4
63 #define INTEL_I2C_BUS_DVO 1
64 #define INTEL_I2C_BUS_SDVO 2
66 /* these are outputs from the chip - integrated only
67 external chips are via DVO or SDVO output */
68 #define INTEL_OUTPUT_UNUSED 0
69 #define INTEL_OUTPUT_ANALOG 1
70 #define INTEL_OUTPUT_DVO 2
71 #define INTEL_OUTPUT_SDVO 3
72 #define INTEL_OUTPUT_LVDS 4
73 #define INTEL_OUTPUT_TVOUT 5
74 #define INTEL_OUTPUT_HDMI 6
75 #define INTEL_OUTPUT_DISPLAYPORT 7
76 #define INTEL_OUTPUT_EDP 8
78 /* Intel Pipe Clone Bit */
79 #define INTEL_HDMIB_CLONE_BIT 1
80 #define INTEL_HDMIC_CLONE_BIT 2
81 #define INTEL_HDMID_CLONE_BIT 3
82 #define INTEL_HDMIE_CLONE_BIT 4
83 #define INTEL_HDMIF_CLONE_BIT 5
84 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
85 #define INTEL_SDVO_TV_CLONE_BIT 7
86 #define INTEL_SDVO_LVDS_CLONE_BIT 8
87 #define INTEL_ANALOG_CLONE_BIT 9
88 #define INTEL_TV_CLONE_BIT 10
89 #define INTEL_DP_B_CLONE_BIT 11
90 #define INTEL_DP_C_CLONE_BIT 12
91 #define INTEL_DP_D_CLONE_BIT 13
92 #define INTEL_LVDS_CLONE_BIT 14
93 #define INTEL_DVO_TMDS_CLONE_BIT 15
94 #define INTEL_DVO_LVDS_CLONE_BIT 16
95 #define INTEL_EDP_CLONE_BIT 17
97 #define INTEL_DVO_CHIP_NONE 0
98 #define INTEL_DVO_CHIP_LVDS 1
99 #define INTEL_DVO_CHIP_TMDS 2
100 #define INTEL_DVO_CHIP_TVOUT 4
102 /* drm_display_mode->private_flags */
103 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
104 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
107 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
110 mode->clock *= multiplier;
111 mode->private_flags |= multiplier;
115 intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
117 return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
120 struct intel_i2c_chan {
121 struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
122 u32 reg; /* GPIO reg */
123 struct i2c_adapter adapter;
124 struct i2c_algo_bit_data algo;
127 struct intel_framebuffer {
128 struct drm_framebuffer base;
129 struct drm_gem_object *obj;
133 struct intel_encoder {
134 struct drm_encoder enc;
136 struct i2c_adapter *i2c_bus;
137 struct i2c_adapter *ddc_bus;
138 bool load_detect_temp;
140 void (*hot_plug)(struct intel_encoder *);
145 struct intel_connector {
146 struct drm_connector base;
150 struct intel_overlay {
151 struct drm_device *dev;
152 struct intel_crtc *crtc;
153 struct drm_i915_gem_object *vid_bo;
154 struct drm_i915_gem_object *old_vid_bo;
157 u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
159 u32 brightness, contrast, saturation;
160 u32 old_xscale, old_yscale;
161 /* register access */
163 struct drm_i915_gem_object *reg_bo;
166 uint32_t last_flip_req;
169 #define NEEDS_WAIT_FOR_FLIP 2
170 #define RELEASE_OLD_VID 3
171 #define SWITCH_OFF_STAGE_1 4
172 #define SWITCH_OFF_STAGE_2 5
176 struct drm_crtc base;
179 u8 lut_r[256], lut_g[256], lut_b[256];
181 bool busy; /* is scanout buffer being updated frequently? */
182 struct timer_list idle_timer;
184 struct intel_overlay *overlay;
185 struct intel_unpin_work *unpin_work;
188 struct drm_gem_object *cursor_bo;
189 uint32_t cursor_addr;
190 int16_t cursor_x, cursor_y;
191 int16_t cursor_width, cursor_height;
192 bool cursor_visible, cursor_on;
195 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
196 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
197 #define enc_to_intel_encoder(x) container_of(x, struct intel_encoder, enc)
198 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
200 struct intel_unpin_work {
201 struct work_struct work;
202 struct drm_device *dev;
203 struct drm_gem_object *old_fb_obj;
204 struct drm_gem_object *pending_flip_obj;
205 struct drm_pending_vblank_event *event;
207 bool enable_stall_check;
210 struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
212 void intel_i2c_destroy(struct i2c_adapter *adapter);
213 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
214 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder);
215 void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
216 void intel_i2c_reset_gmbus(struct drm_device *dev);
218 extern void intel_crt_init(struct drm_device *dev);
219 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
220 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
221 extern void intel_dvo_init(struct drm_device *dev);
222 extern void intel_tv_init(struct drm_device *dev);
223 extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
224 extern void intel_lvds_init(struct drm_device *dev);
225 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
227 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
228 struct drm_display_mode *adjusted_mode);
229 extern bool intel_pch_has_edp(struct drm_crtc *crtc);
230 extern bool intel_dpd_is_edp(struct drm_device *dev);
231 extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
234 extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
235 struct drm_display_mode *adjusted_mode);
236 extern void intel_pch_panel_fitting(struct drm_device *dev,
238 struct drm_display_mode *mode,
239 struct drm_display_mode *adjusted_mode);
241 extern int intel_panel_fitter_pipe (struct drm_device *dev);
242 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
243 extern void intel_encoder_prepare (struct drm_encoder *encoder);
244 extern void intel_encoder_commit (struct drm_encoder *encoder);
245 extern void intel_encoder_destroy(struct drm_encoder *encoder);
247 extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector);
249 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
250 struct drm_crtc *crtc);
251 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
252 struct drm_file *file_priv);
253 extern void intel_wait_for_vblank_off(struct drm_device *dev, int pipe);
254 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
255 extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
256 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
257 struct drm_connector *connector,
258 struct drm_display_mode *mode,
260 extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
261 struct drm_connector *connector,
264 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
265 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
266 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
267 extern void intelfb_restore(void);
268 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
269 u16 blue, int regno);
270 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
271 u16 *blue, int regno);
272 extern void intel_init_clock_gating(struct drm_device *dev);
273 extern void ironlake_enable_drps(struct drm_device *dev);
274 extern void ironlake_disable_drps(struct drm_device *dev);
276 extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
277 struct drm_gem_object *obj);
279 extern int intel_framebuffer_init(struct drm_device *dev,
280 struct intel_framebuffer *ifb,
281 struct drm_mode_fb_cmd *mode_cmd,
282 struct drm_gem_object *obj);
283 extern int intel_fbdev_init(struct drm_device *dev);
284 extern void intel_fbdev_fini(struct drm_device *dev);
286 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
287 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
288 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
290 extern void intel_setup_overlay(struct drm_device *dev);
291 extern void intel_cleanup_overlay(struct drm_device *dev);
292 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
293 extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
295 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
296 struct drm_file *file_priv);
297 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
298 struct drm_file *file_priv);
300 extern void intel_fb_output_poll_changed(struct drm_device *dev);
301 #endif /* __INTEL_DRV_H__ */