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 * Display related stuff
39 /* store information about an Ixxx DVO */
40 /* The i830->i865 use multiple DVOs with multiple i2cs */
41 /* the i915, i945 have a single sDVO i2c bus - which is different */
43 /* maximum connectors per crtcs in the mode set */
44 #define INTELFB_CONN_LIMIT 4
46 #define INTEL_I2C_BUS_DVO 1
47 #define INTEL_I2C_BUS_SDVO 2
49 /* these are outputs from the chip - integrated only
50 external chips are via DVO or SDVO output */
51 #define INTEL_OUTPUT_UNUSED 0
52 #define INTEL_OUTPUT_ANALOG 1
53 #define INTEL_OUTPUT_DVO 2
54 #define INTEL_OUTPUT_SDVO 3
55 #define INTEL_OUTPUT_LVDS 4
56 #define INTEL_OUTPUT_TVOUT 5
57 #define INTEL_OUTPUT_HDMI 6
58 #define INTEL_OUTPUT_DISPLAYPORT 7
59 #define INTEL_OUTPUT_EDP 8
61 /* Intel Pipe Clone Bit */
62 #define INTEL_HDMIB_CLONE_BIT 1
63 #define INTEL_HDMIC_CLONE_BIT 2
64 #define INTEL_HDMID_CLONE_BIT 3
65 #define INTEL_HDMIE_CLONE_BIT 4
66 #define INTEL_HDMIF_CLONE_BIT 5
67 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
68 #define INTEL_SDVO_TV_CLONE_BIT 7
69 #define INTEL_SDVO_LVDS_CLONE_BIT 8
70 #define INTEL_ANALOG_CLONE_BIT 9
71 #define INTEL_TV_CLONE_BIT 10
72 #define INTEL_DP_B_CLONE_BIT 11
73 #define INTEL_DP_C_CLONE_BIT 12
74 #define INTEL_DP_D_CLONE_BIT 13
75 #define INTEL_LVDS_CLONE_BIT 14
76 #define INTEL_DVO_TMDS_CLONE_BIT 15
77 #define INTEL_DVO_LVDS_CLONE_BIT 16
78 #define INTEL_EDP_CLONE_BIT 17
80 #define INTEL_DVO_CHIP_NONE 0
81 #define INTEL_DVO_CHIP_LVDS 1
82 #define INTEL_DVO_CHIP_TMDS 2
83 #define INTEL_DVO_CHIP_TVOUT 4
85 struct intel_i2c_chan {
86 struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
87 u32 reg; /* GPIO reg */
88 struct i2c_adapter adapter;
89 struct i2c_algo_bit_data algo;
92 struct intel_framebuffer {
93 struct drm_framebuffer base;
94 struct drm_gem_object *obj;
99 struct drm_connector base;
101 struct drm_encoder enc;
103 struct i2c_adapter *i2c_bus;
104 struct i2c_adapter *ddc_bus;
105 bool load_detect_temp;
108 void (*hot_plug)(struct intel_output *);
114 struct intel_overlay {
115 struct drm_device *dev;
116 struct intel_crtc *crtc;
117 struct drm_i915_gem_object *vid_bo;
118 struct drm_i915_gem_object *old_vid_bo;
121 u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
123 u32 brightness, contrast, saturation;
124 u32 old_xscale, old_yscale;
125 /* register access */
127 struct drm_i915_gem_object *reg_bo;
130 uint32_t last_flip_req;
133 #define NEEDS_WAIT_FOR_FLIP 2
134 #define RELEASE_OLD_VID 3
135 #define SWITCH_OFF_STAGE_1 4
136 #define SWITCH_OFF_STAGE_2 5
140 struct drm_crtc base;
143 struct drm_gem_object *cursor_bo;
144 uint32_t cursor_addr;
145 u8 lut_r[256], lut_g[256], lut_b[256];
147 bool busy; /* is scanout buffer being updated frequently? */
148 struct timer_list idle_timer;
150 struct intel_overlay *overlay;
153 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
154 #define to_intel_output(x) container_of(x, struct intel_output, base)
155 #define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
156 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
158 struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
160 void intel_i2c_destroy(struct i2c_adapter *adapter);
161 int intel_ddc_get_modes(struct intel_output *intel_output);
162 extern bool intel_ddc_probe(struct intel_output *intel_output);
163 void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
164 extern void intel_crt_init(struct drm_device *dev);
165 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
166 extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
167 extern void intel_dvo_init(struct drm_device *dev);
168 extern void intel_tv_init(struct drm_device *dev);
169 extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
170 extern void intel_lvds_init(struct drm_device *dev);
171 extern void intel_dp_init(struct drm_device *dev, int dp_reg);
173 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
174 struct drm_display_mode *adjusted_mode);
175 extern void intel_edp_link_config (struct intel_output *, int *, int *);
178 extern int intel_panel_fitter_pipe (struct drm_device *dev);
179 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
180 extern void intel_encoder_prepare (struct drm_encoder *encoder);
181 extern void intel_encoder_commit (struct drm_encoder *encoder);
183 extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
185 extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
186 struct drm_crtc *crtc);
187 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
188 struct drm_file *file_priv);
189 extern void intel_wait_for_vblank(struct drm_device *dev);
190 extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
191 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
192 struct drm_display_mode *mode,
194 extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
197 extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
198 extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
199 extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
200 extern int intelfb_probe(struct drm_device *dev);
201 extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
202 extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
203 extern void intelfb_restore(void);
204 extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
205 u16 blue, int regno);
206 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
207 u16 *blue, int regno);
209 extern int intel_framebuffer_create(struct drm_device *dev,
210 struct drm_mode_fb_cmd *mode_cmd,
211 struct drm_framebuffer **fb,
212 struct drm_gem_object *obj);
214 extern void intel_setup_overlay(struct drm_device *dev);
215 extern void intel_cleanup_overlay(struct drm_device *dev);
216 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
217 extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
219 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
220 struct drm_file *file_priv);
221 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
222 struct drm_file *file_priv);
223 #endif /* __INTEL_DRV_H__ */