1235783Skib/*
2235783Skib * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3235783Skib * Copyright (c) 2007-2008 Intel Corporation
4235783Skib *   Jesse Barnes <jesse.barnes@intel.com>
5235783Skib *
6235783Skib * Permission is hereby granted, free of charge, to any person obtaining a
7235783Skib * copy of this software and associated documentation files (the "Software"),
8235783Skib * to deal in the Software without restriction, including without limitation
9235783Skib * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10235783Skib * and/or sell copies of the Software, and to permit persons to whom the
11235783Skib * Software is furnished to do so, subject to the following conditions:
12235783Skib *
13235783Skib * The above copyright notice and this permission notice (including the next
14235783Skib * paragraph) shall be included in all copies or substantial portions of the
15235783Skib * Software.
16235783Skib *
17235783Skib * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18235783Skib * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19235783Skib * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20235783Skib * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21235783Skib * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22235783Skib * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23235783Skib * IN THE SOFTWARE.
24235783Skib *
25235783Skib * $FreeBSD$
26235783Skib */
27235783Skib
28235783Skib#ifndef DRM_INTEL_DRV_H
29235783Skib#define	DRM_INTEL_DRV_H
30235783Skib
31235783Skib#include <dev/drm2/i915/i915_drm.h>
32235783Skib#include <dev/drm2/i915/i915_drv.h>
33235783Skib#include <dev/drm2/drm_crtc.h>
34235783Skib#include <dev/drm2/drm_crtc_helper.h>
35235783Skib#include <dev/drm2/drm_fb_helper.h>
36235783Skib
37235783Skib#define _intel_wait_for(DEV, COND, MS, W, WMSG)				\
38235783Skib({									\
39235783Skib	int end, ret;							\
40235783Skib									\
41235783Skib	end = ticks + (MS) * hz / 1000;					\
42235783Skib	ret = 0;							\
43235783Skib									\
44235783Skib	while (!(COND)) {						\
45235783Skib		if (time_after(ticks, end)) {				\
46235783Skib			ret = -ETIMEDOUT;				\
47235783Skib			break;						\
48235783Skib		}							\
49235783Skib		if (W)							\
50235783Skib			pause((WMSG), 1);				\
51235783Skib		else							\
52235783Skib			DELAY(1000);					\
53235783Skib	}								\
54235783Skib									\
55235783Skib	ret;								\
56235783Skib})
57235783Skib
58235783Skib#define KHz(x) (1000*x)
59235783Skib#define MHz(x) KHz(1000*x)
60235783Skib
61235783Skib/* store information about an Ixxx DVO */
62235783Skib/* The i830->i865 use multiple DVOs with multiple i2cs */
63235783Skib/* the i915, i945 have a single sDVO i2c bus - which is different */
64235783Skib#define MAX_OUTPUTS 6
65235783Skib/* maximum connectors per crtcs in the mode set */
66235783Skib#define INTELFB_CONN_LIMIT 4
67235783Skib
68235783Skib#define INTEL_I2C_BUS_DVO 1
69235783Skib#define INTEL_I2C_BUS_SDVO 2
70235783Skib
71235783Skib/* these are outputs from the chip - integrated only
72235783Skib   external chips are via DVO or SDVO output */
73235783Skib#define INTEL_OUTPUT_UNUSED 0
74235783Skib#define INTEL_OUTPUT_ANALOG 1
75235783Skib#define INTEL_OUTPUT_DVO 2
76235783Skib#define INTEL_OUTPUT_SDVO 3
77235783Skib#define INTEL_OUTPUT_LVDS 4
78235783Skib#define INTEL_OUTPUT_TVOUT 5
79235783Skib#define INTEL_OUTPUT_HDMI 6
80235783Skib#define INTEL_OUTPUT_DISPLAYPORT 7
81235783Skib#define INTEL_OUTPUT_EDP 8
82235783Skib
83235783Skib/* Intel Pipe Clone Bit */
84235783Skib#define INTEL_HDMIB_CLONE_BIT 1
85235783Skib#define INTEL_HDMIC_CLONE_BIT 2
86235783Skib#define INTEL_HDMID_CLONE_BIT 3
87235783Skib#define INTEL_HDMIE_CLONE_BIT 4
88235783Skib#define INTEL_HDMIF_CLONE_BIT 5
89235783Skib#define INTEL_SDVO_NON_TV_CLONE_BIT 6
90235783Skib#define INTEL_SDVO_TV_CLONE_BIT 7
91235783Skib#define INTEL_SDVO_LVDS_CLONE_BIT 8
92235783Skib#define INTEL_ANALOG_CLONE_BIT 9
93235783Skib#define INTEL_TV_CLONE_BIT 10
94235783Skib#define INTEL_DP_B_CLONE_BIT 11
95235783Skib#define INTEL_DP_C_CLONE_BIT 12
96235783Skib#define INTEL_DP_D_CLONE_BIT 13
97235783Skib#define INTEL_LVDS_CLONE_BIT 14
98235783Skib#define INTEL_DVO_TMDS_CLONE_BIT 15
99235783Skib#define INTEL_DVO_LVDS_CLONE_BIT 16
100235783Skib#define INTEL_EDP_CLONE_BIT 17
101235783Skib
102235783Skib#define INTEL_DVO_CHIP_NONE 0
103235783Skib#define INTEL_DVO_CHIP_LVDS 1
104235783Skib#define INTEL_DVO_CHIP_TMDS 2
105235783Skib#define INTEL_DVO_CHIP_TVOUT 4
106235783Skib
107235783Skib/* drm_display_mode->private_flags */
108235783Skib#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
109235783Skib#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
110235783Skib#define INTEL_MODE_DP_FORCE_6BPC (0x10)
111235783Skib/* This flag must be set by the encoder's mode_fixup if it changes the crtc
112235783Skib * timings in the mode to prevent the crtc fixup from overwriting them.
113235783Skib * Currently only lvds needs that. */
114235783Skib#define INTEL_MODE_CRTC_TIMINGS_SET (0x20)
115235783Skib
116235783Skibstatic inline void
117235783Skibintel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
118235783Skib				int multiplier)
119235783Skib{
120235783Skib	mode->clock *= multiplier;
121235783Skib	mode->private_flags |= multiplier;
122235783Skib}
123235783Skib
124235783Skibstatic inline int
125235783Skibintel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
126235783Skib{
127235783Skib	return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
128235783Skib}
129235783Skib
130235783Skibstruct intel_framebuffer {
131235783Skib	struct drm_framebuffer base;
132235783Skib	struct drm_i915_gem_object *obj;
133235783Skib};
134235783Skib
135235783Skibstruct intel_fbdev {
136235783Skib	struct drm_fb_helper helper;
137235783Skib	struct intel_framebuffer ifb;
138235783Skib	struct list_head fbdev_list;
139235783Skib	struct drm_display_mode *our_mode;
140235783Skib};
141235783Skib
142235783Skibstruct intel_encoder {
143235783Skib	struct drm_encoder base;
144235783Skib	int type;
145235783Skib	bool needs_tv_clock;
146235783Skib	void (*hot_plug)(struct intel_encoder *);
147235783Skib	int crtc_mask;
148235783Skib	int clone_mask;
149235783Skib};
150235783Skib
151235783Skibstruct intel_connector {
152235783Skib	struct drm_connector base;
153235783Skib	struct intel_encoder *encoder;
154235783Skib};
155235783Skib
156235783Skibstruct intel_crtc {
157235783Skib	struct drm_crtc base;
158235783Skib	enum pipe pipe;
159235783Skib	enum plane plane;
160235783Skib	u8 lut_r[256], lut_g[256], lut_b[256];
161235783Skib	int dpms_mode;
162235783Skib	bool active; /* is the crtc on? independent of the dpms mode */
163235783Skib	bool busy; /* is scanout buffer being updated frequently? */
164235783Skib	struct callout idle_callout;
165235783Skib	bool lowfreq_avail;
166235783Skib	struct intel_overlay *overlay;
167235783Skib	struct intel_unpin_work *unpin_work;
168235783Skib	int fdi_lanes;
169235783Skib
170235783Skib	struct drm_i915_gem_object *cursor_bo;
171235783Skib	uint32_t cursor_addr;
172235783Skib	int16_t cursor_x, cursor_y;
173235783Skib	int16_t cursor_width, cursor_height;
174235783Skib	bool cursor_visible;
175235783Skib	unsigned int bpp;
176235783Skib
177235783Skib	bool no_pll; /* tertiary pipe for IVB */
178235783Skib	bool use_pll_a;
179235783Skib};
180235783Skib
181235783Skibstruct intel_plane {
182235783Skib	struct drm_plane base;
183235783Skib	enum pipe pipe;
184235783Skib	struct drm_i915_gem_object *obj;
185235783Skib	bool primary_disabled;
186235783Skib	int max_downscale;
187235783Skib	u32 lut_r[1024], lut_g[1024], lut_b[1024];
188235783Skib	void (*update_plane)(struct drm_plane *plane,
189235783Skib			     struct drm_framebuffer *fb,
190235783Skib			     struct drm_i915_gem_object *obj,
191235783Skib			     int crtc_x, int crtc_y,
192235783Skib			     unsigned int crtc_w, unsigned int crtc_h,
193235783Skib			     uint32_t x, uint32_t y,
194235783Skib			     uint32_t src_w, uint32_t src_h);
195235783Skib	void (*disable_plane)(struct drm_plane *plane);
196235783Skib	int (*update_colorkey)(struct drm_plane *plane,
197235783Skib			       struct drm_intel_sprite_colorkey *key);
198235783Skib	void (*get_colorkey)(struct drm_plane *plane,
199235783Skib			     struct drm_intel_sprite_colorkey *key);
200235783Skib};
201235783Skib
202235783Skib#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
203235783Skib#define to_intel_connector(x) container_of(x, struct intel_connector, base)
204235783Skib#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
205235783Skib#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
206235783Skib#define to_intel_plane(x) container_of(x, struct intel_plane, base)
207235783Skib
208235783Skib#define DIP_HEADER_SIZE	5
209235783Skib
210235783Skib#define DIP_TYPE_AVI    0x82
211235783Skib#define DIP_VERSION_AVI 0x2
212235783Skib#define DIP_LEN_AVI     13
213235783Skib
214235783Skib#define DIP_TYPE_SPD	0x83
215235783Skib#define DIP_VERSION_SPD	0x1
216235783Skib#define DIP_LEN_SPD	25
217235783Skib#define DIP_SPD_UNKNOWN	0
218235783Skib#define DIP_SPD_DSTB	0x1
219235783Skib#define DIP_SPD_DVDP	0x2
220235783Skib#define DIP_SPD_DVHS	0x3
221235783Skib#define DIP_SPD_HDDVR	0x4
222235783Skib#define DIP_SPD_DVC	0x5
223235783Skib#define DIP_SPD_DSC	0x6
224235783Skib#define DIP_SPD_VCD	0x7
225235783Skib#define DIP_SPD_GAME	0x8
226235783Skib#define DIP_SPD_PC	0x9
227235783Skib#define DIP_SPD_BD	0xa
228235783Skib#define DIP_SPD_SCD	0xb
229235783Skib
230235783Skibstruct dip_infoframe {
231235783Skib	uint8_t type;		/* HB0 */
232235783Skib	uint8_t ver;		/* HB1 */
233235783Skib	uint8_t len;		/* HB2 - body len, not including checksum */
234235783Skib	uint8_t ecc;		/* Header ECC */
235235783Skib	uint8_t checksum;	/* PB0 */
236235783Skib	union {
237235783Skib		struct {
238235783Skib			/* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
239235783Skib			uint8_t Y_A_B_S;
240235783Skib			/* PB2 - C 7:6, M 5:4, R 3:0 */
241235783Skib			uint8_t C_M_R;
242235783Skib			/* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
243235783Skib			uint8_t ITC_EC_Q_SC;
244235783Skib			/* PB4 - VIC 6:0 */
245235783Skib			uint8_t VIC;
246235783Skib			/* PB5 - PR 3:0 */
247235783Skib			uint8_t PR;
248235783Skib			/* PB6 to PB13 */
249235783Skib			uint16_t top_bar_end;
250235783Skib			uint16_t bottom_bar_start;
251235783Skib			uint16_t left_bar_end;
252235783Skib			uint16_t right_bar_start;
253235783Skib		} avi;
254235783Skib		struct {
255235783Skib			uint8_t vn[8];
256235783Skib			uint8_t pd[16];
257235783Skib			uint8_t sdi;
258235783Skib		} spd;
259235783Skib		uint8_t payload[27];
260235783Skib	} __attribute__ ((packed)) body;
261235783Skib} __attribute__((packed));
262235783Skib
263235783Skibstatic inline struct drm_crtc *
264235783Skibintel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
265235783Skib{
266235783Skib	struct drm_i915_private *dev_priv = dev->dev_private;
267235783Skib	return dev_priv->pipe_to_crtc_mapping[pipe];
268235783Skib}
269235783Skib
270235783Skibstatic inline struct drm_crtc *
271235783Skibintel_get_crtc_for_plane(struct drm_device *dev, int plane)
272235783Skib{
273235783Skib	struct drm_i915_private *dev_priv = dev->dev_private;
274235783Skib	return dev_priv->plane_to_crtc_mapping[plane];
275235783Skib}
276235783Skib
277235783Skibstruct intel_unpin_work {
278235783Skib	struct task task;
279235783Skib	struct drm_device *dev;
280235783Skib	struct drm_i915_gem_object *old_fb_obj;
281235783Skib	struct drm_i915_gem_object *pending_flip_obj;
282235783Skib	struct drm_pending_vblank_event *event;
283235783Skib	int pending;
284235783Skib	bool enable_stall_check;
285235783Skib};
286235783Skib
287235783Skibstruct intel_fbc_work {
288235783Skib	struct timeout_task task;
289235783Skib	struct drm_crtc *crtc;
290235783Skib	struct drm_framebuffer *fb;
291235783Skib	int interval;
292235783Skib};
293235783Skib
294235783Skibint intel_ddc_get_modes(struct drm_connector *c, device_t adapter);
295235783Skibextern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
296235783Skib
297235783Skibextern void intel_attach_force_audio_property(struct drm_connector *connector);
298235783Skibextern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
299235783Skib
300235783Skibextern void intel_crt_init(struct drm_device *dev);
301235783Skibextern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
302235783Skibvoid intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
303235783Skibextern bool intel_sdvo_init(struct drm_device *dev, int output_device);
304235783Skibextern void intel_dvo_init(struct drm_device *dev);
305235783Skibextern void intel_tv_init(struct drm_device *dev);
306235783Skibextern void intel_mark_busy(struct drm_device *dev,
307235783Skib			    struct drm_i915_gem_object *obj);
308235783Skibextern bool intel_lvds_init(struct drm_device *dev);
309235783Skibextern void intel_dp_init(struct drm_device *dev, int dp_reg);
310235783Skibvoid
311235783Skibintel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
312235783Skib		 struct drm_display_mode *adjusted_mode);
313235783Skibextern bool intel_dpd_is_edp(struct drm_device *dev);
314235783Skibextern void intel_edp_link_config(struct intel_encoder *, int *, int *);
315235783Skibextern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
316235783Skibextern int intel_plane_init(struct drm_device *dev, enum pipe pipe);
317235783Skib
318235783Skib/* intel_panel.c */
319235783Skibextern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
320235783Skib				   struct drm_display_mode *adjusted_mode);
321235783Skibextern void intel_pch_panel_fitting(struct drm_device *dev,
322235783Skib				    int fitting_mode,
323254797Sdumbbell				    const struct drm_display_mode *mode,
324235783Skib				    struct drm_display_mode *adjusted_mode);
325235783Skibextern u32 intel_panel_get_max_backlight(struct drm_device *dev);
326235783Skibextern u32 intel_panel_get_backlight(struct drm_device *dev);
327235783Skibextern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
328235783Skibextern int intel_panel_setup_backlight(struct drm_device *dev);
329235783Skibextern void intel_panel_enable_backlight(struct drm_device *dev);
330235783Skibextern void intel_panel_disable_backlight(struct drm_device *dev);
331235783Skibextern void intel_panel_destroy_backlight(struct drm_device *dev);
332235783Skibextern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
333235783Skib
334235783Skibextern void intel_crtc_load_lut(struct drm_crtc *crtc);
335235783Skibextern void intel_encoder_prepare(struct drm_encoder *encoder);
336235783Skibextern void intel_encoder_commit(struct drm_encoder *encoder);
337235783Skibextern void intel_encoder_destroy(struct drm_encoder *encoder);
338235783Skib
339235783Skibstatic inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
340235783Skib{
341235783Skib	return to_intel_connector(connector)->encoder;
342235783Skib}
343235783Skib
344235783Skibextern void intel_connector_attach_encoder(struct intel_connector *connector,
345235783Skib					   struct intel_encoder *encoder);
346235783Skibextern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
347235783Skib
348235783Skibextern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
349235783Skib						    struct drm_crtc *crtc);
350235783Skibint intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
351235783Skib				struct drm_file *file_priv);
352235783Skibextern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
353235783Skibextern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
354235783Skib
355235783Skibstruct intel_load_detect_pipe {
356235783Skib	struct drm_framebuffer *release_fb;
357235783Skib	bool load_detect_temp;
358235783Skib	int dpms_mode;
359235783Skib};
360235783Skibextern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
361235783Skib				       struct drm_connector *connector,
362235783Skib				       struct drm_display_mode *mode,
363235783Skib				       struct intel_load_detect_pipe *old);
364235783Skibextern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
365235783Skib					   struct drm_connector *connector,
366235783Skib					   struct intel_load_detect_pipe *old);
367235783Skib
368235783Skibextern void intelfb_restore(void);
369235783Skibextern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
370235783Skib				    u16 blue, int regno);
371235783Skibextern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
372235783Skib				    u16 *blue, int regno);
373235783Skibextern void intel_enable_clock_gating(struct drm_device *dev);
374235783Skibextern void ironlake_enable_drps(struct drm_device *dev);
375235783Skibextern void ironlake_disable_drps(struct drm_device *dev);
376235783Skibextern void gen6_enable_rps(struct drm_i915_private *dev_priv);
377235783Skibextern void gen6_update_ring_freq(struct drm_i915_private *dev_priv);
378235783Skibextern void gen6_disable_rps(struct drm_device *dev);
379235783Skibextern void intel_init_emon(struct drm_device *dev);
380235783Skib
381235783Skibextern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
382235783Skib				      struct drm_i915_gem_object *obj,
383235783Skib				      struct intel_ring_buffer *pipelined);
384235783Skibextern void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
385235783Skib
386235783Skibextern int intel_framebuffer_init(struct drm_device *dev,
387235783Skib				  struct intel_framebuffer *ifb,
388235783Skib				  struct drm_mode_fb_cmd2 *mode_cmd,
389235783Skib				  struct drm_i915_gem_object *obj);
390235783Skibextern int intel_fbdev_init(struct drm_device *dev);
391235783Skibextern void intel_fbdev_fini(struct drm_device *dev);
392235783Skib
393235783Skibextern void intel_prepare_page_flip(struct drm_device *dev, int plane);
394235783Skibextern void intel_finish_page_flip(struct drm_device *dev, int pipe);
395235783Skibextern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
396235783Skib
397235783Skibextern void intel_setup_overlay(struct drm_device *dev);
398235783Skibextern void intel_cleanup_overlay(struct drm_device *dev);
399235783Skibextern int intel_overlay_switch_off(struct intel_overlay *overlay);
400235783Skibextern int intel_overlay_put_image(struct drm_device *dev, void *data,
401235783Skib				   struct drm_file *file_priv);
402235783Skibextern int intel_overlay_attrs(struct drm_device *dev, void *data,
403235783Skib			       struct drm_file *file_priv);
404235783Skib
405235783Skibextern void intel_fb_output_poll_changed(struct drm_device *dev);
406235783Skibextern void intel_fb_restore_mode(struct drm_device *dev);
407235783Skib
408235783Skibextern void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
409235783Skib			bool state);
410235783Skib#define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
411235783Skib#define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
412235783Skib
413235783Skibextern void intel_init_clock_gating(struct drm_device *dev);
414235783Skibextern void intel_write_eld(struct drm_encoder *encoder,
415235783Skib			    struct drm_display_mode *mode);
416235783Skibextern void intel_cpt_verify_modeset(struct drm_device *dev, int pipe);
417235783Skib
418235783Skib/* For use by IVB LP watermark workaround in intel_sprite.c */
419235783Skibextern void sandybridge_update_wm(struct drm_device *dev);
420235783Skibextern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,
421235783Skib					   uint32_t sprite_width,
422235783Skib					   int pixel_size);
423235783Skibextern int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
424235783Skib				     struct drm_file *file_priv);
425235783Skibextern int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
426235783Skib				     struct drm_file *file_priv);
427235783Skib
428235783Skib#endif
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