2 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
3 * VA Linux Systems Inc., Fremont, California.
4 * Copyright 2008 Red Hat Inc.
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 shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
25 * Kevin E. Martin, Rickard E. Faith, Alan Hourihane
27 * Kernel port Author: Dave Airlie
33 #include <drm/drm_crtc.h>
34 #include <drm/drm_edid.h>
35 #include <drm/drm_encoder.h>
36 #include <drm/drm_dp_helper.h>
37 #include <drm/drm_fixed.h>
38 #include <drm/drm_crtc_helper.h>
39 #include <drm/drm_fb_helper.h>
40 #include <drm/drm_plane_helper.h>
41 #include <drm/drm_probe_helper.h>
42 #include <linux/i2c.h>
43 #include <linux/i2c-algo-bit.h>
44 #include <linux/hrtimer.h>
45 #include "amdgpu_irq.h"
47 #include <drm/drm_dp_mst_helper.h>
48 #include "modules/inc/mod_freesync.h"
52 struct amdgpu_encoder
;
56 #define to_amdgpu_crtc(x) container_of(x, struct amdgpu_crtc, base)
57 #define to_amdgpu_connector(x) container_of(x, struct amdgpu_connector, base)
58 #define to_amdgpu_encoder(x) container_of(x, struct amdgpu_encoder, base)
59 #define to_amdgpu_framebuffer(x) container_of(x, struct amdgpu_framebuffer, base)
61 #define to_dm_plane_state(x) container_of(x, struct dm_plane_state, base);
63 #define AMDGPU_MAX_HPD_PINS 6
64 #define AMDGPU_MAX_CRTCS 6
65 #define AMDGPU_MAX_PLANES 6
66 #define AMDGPU_MAX_AFMT_BLOCKS 9
68 enum amdgpu_rmx_type
{
75 enum amdgpu_underscan_type
{
81 #define AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS 50
82 #define AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS 10
91 AMDGPU_HPD_NONE
= 0xff,
94 enum amdgpu_crtc_irq
{
95 AMDGPU_CRTC_IRQ_VBLANK1
= 0,
96 AMDGPU_CRTC_IRQ_VBLANK2
,
97 AMDGPU_CRTC_IRQ_VBLANK3
,
98 AMDGPU_CRTC_IRQ_VBLANK4
,
99 AMDGPU_CRTC_IRQ_VBLANK5
,
100 AMDGPU_CRTC_IRQ_VBLANK6
,
101 AMDGPU_CRTC_IRQ_VLINE1
,
102 AMDGPU_CRTC_IRQ_VLINE2
,
103 AMDGPU_CRTC_IRQ_VLINE3
,
104 AMDGPU_CRTC_IRQ_VLINE4
,
105 AMDGPU_CRTC_IRQ_VLINE5
,
106 AMDGPU_CRTC_IRQ_VLINE6
,
107 AMDGPU_CRTC_IRQ_NONE
= 0xff
110 enum amdgpu_pageflip_irq
{
111 AMDGPU_PAGEFLIP_IRQ_D1
= 0,
112 AMDGPU_PAGEFLIP_IRQ_D2
,
113 AMDGPU_PAGEFLIP_IRQ_D3
,
114 AMDGPU_PAGEFLIP_IRQ_D4
,
115 AMDGPU_PAGEFLIP_IRQ_D5
,
116 AMDGPU_PAGEFLIP_IRQ_D6
,
117 AMDGPU_PAGEFLIP_IRQ_NONE
= 0xff
120 enum amdgpu_flip_status
{
123 AMDGPU_FLIP_SUBMITTED
126 #define AMDGPU_MAX_I2C_BUS 16
128 /* amdgpu gpio-based i2c
129 * 1. "mask" reg and bits
130 * grabs the gpio pins for software use
132 * 2. "a" reg and bits
135 * 3. "en" reg and bits
136 * sets the pin direction
138 * 4. "y" reg and bits
142 struct amdgpu_i2c_bus_rec
{
144 /* id used by atom */
146 /* id used by atom */
147 enum amdgpu_hpd_id hpd
;
148 /* can be used with hw i2c engine */
150 /* uses multi-media i2c engine */
153 uint32_t mask_clk_reg
;
154 uint32_t mask_data_reg
;
158 uint32_t en_data_reg
;
161 uint32_t mask_clk_mask
;
162 uint32_t mask_data_mask
;
164 uint32_t a_data_mask
;
165 uint32_t en_clk_mask
;
166 uint32_t en_data_mask
;
168 uint32_t y_data_mask
;
171 #define AMDGPU_MAX_BIOS_CONNECTOR 16
174 #define AMDGPU_PLL_USE_BIOS_DIVS (1 << 0)
175 #define AMDGPU_PLL_NO_ODD_POST_DIV (1 << 1)
176 #define AMDGPU_PLL_USE_REF_DIV (1 << 2)
177 #define AMDGPU_PLL_LEGACY (1 << 3)
178 #define AMDGPU_PLL_PREFER_LOW_REF_DIV (1 << 4)
179 #define AMDGPU_PLL_PREFER_HIGH_REF_DIV (1 << 5)
180 #define AMDGPU_PLL_PREFER_LOW_FB_DIV (1 << 6)
181 #define AMDGPU_PLL_PREFER_HIGH_FB_DIV (1 << 7)
182 #define AMDGPU_PLL_PREFER_LOW_POST_DIV (1 << 8)
183 #define AMDGPU_PLL_PREFER_HIGH_POST_DIV (1 << 9)
184 #define AMDGPU_PLL_USE_FRAC_FB_DIV (1 << 10)
185 #define AMDGPU_PLL_PREFER_CLOSEST_LOWER (1 << 11)
186 #define AMDGPU_PLL_USE_POST_DIV (1 << 12)
187 #define AMDGPU_PLL_IS_LCD (1 << 13)
188 #define AMDGPU_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
191 /* reference frequency */
192 uint32_t reference_freq
;
195 uint32_t reference_div
;
198 /* pll in/out limits */
201 uint32_t pll_out_min
;
202 uint32_t pll_out_max
;
203 uint32_t lcd_pll_out_min
;
204 uint32_t lcd_pll_out_max
;
208 uint32_t min_ref_div
;
209 uint32_t max_ref_div
;
210 uint32_t min_post_div
;
211 uint32_t max_post_div
;
212 uint32_t min_feedback_div
;
213 uint32_t max_feedback_div
;
214 uint32_t min_frac_feedback_div
;
215 uint32_t max_frac_feedback_div
;
217 /* flags for the current clock */
224 struct amdgpu_i2c_chan
{
225 struct i2c_adapter adapter
;
226 struct drm_device
*dev
;
227 struct i2c_algo_bit_data bit
;
228 struct amdgpu_i2c_bus_rec rec
;
229 struct drm_dp_aux aux
;
239 bool last_buffer_filled_status
;
241 struct amdgpu_audio_pin
*pin
;
247 struct amdgpu_audio_pin
{
258 struct amdgpu_audio
{
260 struct amdgpu_audio_pin pin
[AMDGPU_MAX_AFMT_BLOCKS
];
264 struct amdgpu_display_funcs
{
265 /* display watermarks */
266 void (*bandwidth_update
)(struct amdgpu_device
*adev
);
267 /* get frame count */
268 u32 (*vblank_get_counter
)(struct amdgpu_device
*adev
, int crtc
);
269 /* set backlight level */
270 void (*backlight_set_level
)(struct amdgpu_encoder
*amdgpu_encoder
,
272 /* get backlight level */
273 u8 (*backlight_get_level
)(struct amdgpu_encoder
*amdgpu_encoder
);
275 bool (*hpd_sense
)(struct amdgpu_device
*adev
, enum amdgpu_hpd_id hpd
);
276 void (*hpd_set_polarity
)(struct amdgpu_device
*adev
,
277 enum amdgpu_hpd_id hpd
);
278 u32 (*hpd_get_gpio_reg
)(struct amdgpu_device
*adev
);
280 void (*page_flip
)(struct amdgpu_device
*adev
,
281 int crtc_id
, u64 crtc_base
, bool async
);
282 int (*page_flip_get_scanoutpos
)(struct amdgpu_device
*adev
, int crtc
,
283 u32
*vbl
, u32
*position
);
284 /* display topology setup */
285 void (*add_encoder
)(struct amdgpu_device
*adev
,
286 uint32_t encoder_enum
,
287 uint32_t supported_device
,
289 void (*add_connector
)(struct amdgpu_device
*adev
,
290 uint32_t connector_id
,
291 uint32_t supported_device
,
293 struct amdgpu_i2c_bus_rec
*i2c_bus
,
294 uint16_t connector_object_id
,
295 struct amdgpu_hpd
*hpd
,
296 struct amdgpu_router
*router
);
301 struct amdgpu_framebuffer
{
302 struct drm_framebuffer base
;
304 /* caching for later use */
308 struct amdgpu_fbdev
{
309 struct drm_fb_helper helper
;
310 struct amdgpu_framebuffer rfb
;
311 struct list_head fbdev_list
;
312 struct amdgpu_device
*adev
;
315 struct amdgpu_mode_info
{
316 struct atom_context
*atom_context
;
317 struct card_info
*atom_card_info
;
318 bool mode_config_initialized
;
319 struct amdgpu_crtc
*crtcs
[AMDGPU_MAX_CRTCS
];
320 struct drm_plane
*planes
[AMDGPU_MAX_PLANES
];
321 struct amdgpu_afmt
*afmt
[AMDGPU_MAX_AFMT_BLOCKS
];
322 /* DVI-I properties */
323 struct drm_property
*coherent_mode_property
;
324 /* DAC enable load detect */
325 struct drm_property
*load_detect_property
;
327 struct drm_property
*underscan_property
;
328 struct drm_property
*underscan_hborder_property
;
329 struct drm_property
*underscan_vborder_property
;
331 struct drm_property
*audio_property
;
333 struct drm_property
*dither_property
;
334 /* maximum number of bits per channel for monitor color */
335 struct drm_property
*max_bpc_property
;
336 /* Adaptive Backlight Modulation (power feature) */
337 struct drm_property
*abm_level_property
;
338 /* hardcoded DFP edid from BIOS */
339 struct edid
*bios_hardcoded_edid
;
340 int bios_hardcoded_edid_size
;
342 /* pointer to fbdev info structure */
343 struct amdgpu_fbdev
*rfbdev
;
346 /* pointer to backlight encoder */
347 struct amdgpu_encoder
*bl_encoder
;
348 u8 bl_level
; /* saved backlight level */
349 struct amdgpu_audio audio
; /* audio stuff */
350 int num_crtc
; /* number of crtcs */
351 int num_hpd
; /* number of hpd pins */
352 int num_dig
; /* number of dig blocks */
354 const struct amdgpu_display_funcs
*funcs
;
355 const enum drm_plane_type
*plane_type
;
358 #define AMDGPU_MAX_BL_LEVEL 0xFF
360 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
362 struct amdgpu_backlight_privdata
{
363 struct amdgpu_encoder
*encoder
;
369 struct amdgpu_atom_ss
{
371 uint16_t percentage_divider
;
383 struct drm_crtc base
;
387 uint32_t crtc_offset
;
388 struct drm_gem_object
*cursor_bo
;
389 uint64_t cursor_addr
;
396 int max_cursor_width
;
397 int max_cursor_height
;
398 enum amdgpu_rmx_type rmx_type
;
403 struct drm_display_mode native_mode
;
406 struct amdgpu_flip_work
*pflip_works
;
407 enum amdgpu_flip_status pflip_status
;
408 int deferred_flip_completion
;
409 u64 last_flip_vblank
;
411 struct amdgpu_atom_ss ss
;
415 u32 pll_reference_div
;
418 struct drm_encoder
*encoder
;
419 struct drm_connector
*connector
;
424 u32 lb_vblank_lead_lines
;
425 struct drm_display_mode hw_mode
;
426 /* for virtual dce */
427 struct hrtimer vblank_timer
;
428 enum amdgpu_interrupt_state vsync_timer_enabled
;
431 struct drm_pending_vblank_event
*event
;
434 struct amdgpu_encoder_atom_dig
{
438 int dig_encoder
; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
441 uint16_t panel_pwr_delay
;
444 struct drm_display_mode native_mode
;
445 struct backlight_device
*bl_dev
;
447 uint8_t backlight_level
;
449 struct amdgpu_afmt
*afmt
;
452 struct amdgpu_encoder
{
453 struct drm_encoder base
;
454 uint32_t encoder_enum
;
457 uint32_t active_device
;
459 uint32_t pixel_clock
;
460 enum amdgpu_rmx_type rmx_type
;
461 enum amdgpu_underscan_type underscan_type
;
462 uint32_t underscan_hborder
;
463 uint32_t underscan_vborder
;
464 struct drm_display_mode native_mode
;
466 int audio_polling_active
;
471 struct amdgpu_connector_atom_dig
{
473 u8 dpcd
[DP_RECEIVER_CAP_SIZE
];
480 struct amdgpu_gpio_rec
{
489 enum amdgpu_hpd_id hpd
;
491 struct amdgpu_gpio_rec gpio
;
494 struct amdgpu_router
{
496 struct amdgpu_i2c_bus_rec i2c_info
;
501 u8 ddc_mux_control_pin
;
506 u8 cd_mux_control_pin
;
510 enum amdgpu_connector_audio
{
511 AMDGPU_AUDIO_DISABLE
= 0,
512 AMDGPU_AUDIO_ENABLE
= 1,
513 AMDGPU_AUDIO_AUTO
= 2
516 enum amdgpu_connector_dither
{
517 AMDGPU_FMT_DITHER_DISABLE
= 0,
518 AMDGPU_FMT_DITHER_ENABLE
= 1,
521 struct amdgpu_dm_dp_aux
{
522 struct drm_dp_aux aux
;
523 struct ddc_service
*ddc_service
;
526 struct amdgpu_i2c_adapter
{
527 struct i2c_adapter base
;
529 struct ddc_service
*ddc_service
;
532 #define TO_DM_AUX(x) container_of((x), struct amdgpu_dm_dp_aux, aux)
534 struct amdgpu_connector
{
535 struct drm_connector base
;
536 uint32_t connector_id
;
538 struct amdgpu_i2c_chan
*ddc_bus
;
539 /* some systems have an hdmi and vga port with a shared ddc line */
542 /* we need to mind the EDID between detect
543 and get modes due to analog/digital/tvencoder */
546 bool dac_load_detect
;
547 bool detected_by_load
; /* if the connection status was determined by load */
548 uint16_t connector_object_id
;
549 struct amdgpu_hpd hpd
;
550 struct amdgpu_router router
;
551 struct amdgpu_i2c_chan
*router_bus
;
552 enum amdgpu_connector_audio audio
;
553 enum amdgpu_connector_dither dither
;
554 unsigned pixelclock_for_modeset
;
557 /* TODO: start to use this struct and remove same field from base one */
558 struct amdgpu_mst_connector
{
559 struct amdgpu_connector base
;
561 struct drm_dp_mst_topology_mgr mst_mgr
;
562 struct amdgpu_dm_dp_aux dm_dp_aux
;
563 struct drm_dp_mst_port
*port
;
564 struct amdgpu_connector
*mst_port
;
565 bool is_mst_connector
;
566 struct amdgpu_encoder
*mst_encoder
;
569 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
570 ((em) == ATOM_ENCODER_MODE_DP_MST))
572 /* Driver internal use only flags of amdgpu_display_get_crtc_scanoutpos() */
573 #define DRM_SCANOUTPOS_VALID (1 << 0)
574 #define DRM_SCANOUTPOS_IN_VBLANK (1 << 1)
575 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
576 #define USE_REAL_VBLANKSTART (1 << 30)
577 #define GET_DISTANCE_TO_VBLANKSTART (1 << 31)
579 void amdgpu_link_encoder_connector(struct drm_device
*dev
);
581 struct drm_connector
*
582 amdgpu_get_connector_for_encoder(struct drm_encoder
*encoder
);
583 struct drm_connector
*
584 amdgpu_get_connector_for_encoder_init(struct drm_encoder
*encoder
);
585 bool amdgpu_dig_monitor_is_duallink(struct drm_encoder
*encoder
,
588 u16
amdgpu_encoder_get_dp_bridge_encoder_id(struct drm_encoder
*encoder
);
589 struct drm_encoder
*amdgpu_get_external_encoder(struct drm_encoder
*encoder
);
591 bool amdgpu_display_ddc_probe(struct amdgpu_connector
*amdgpu_connector
,
594 void amdgpu_encoder_set_active_device(struct drm_encoder
*encoder
);
596 int amdgpu_display_get_crtc_scanoutpos(struct drm_device
*dev
,
597 unsigned int pipe
, unsigned int flags
, int *vpos
,
598 int *hpos
, ktime_t
*stime
, ktime_t
*etime
,
599 const struct drm_display_mode
*mode
);
601 int amdgpu_display_framebuffer_init(struct drm_device
*dev
,
602 struct amdgpu_framebuffer
*rfb
,
603 const struct drm_mode_fb_cmd2
*mode_cmd
,
604 struct drm_gem_object
*obj
);
606 int amdgpufb_remove(struct drm_device
*dev
, struct drm_framebuffer
*fb
);
608 void amdgpu_enc_destroy(struct drm_encoder
*encoder
);
609 void amdgpu_copy_fb(struct drm_device
*dev
, struct drm_gem_object
*dst_obj
);
610 bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc
*crtc
,
611 const struct drm_display_mode
*mode
,
612 struct drm_display_mode
*adjusted_mode
);
613 void amdgpu_panel_mode_fixup(struct drm_encoder
*encoder
,
614 struct drm_display_mode
*adjusted_mode
);
615 int amdgpu_display_crtc_idx_to_irq_type(struct amdgpu_device
*adev
, int crtc
);
618 int amdgpu_fbdev_init(struct amdgpu_device
*adev
);
619 void amdgpu_fbdev_fini(struct amdgpu_device
*adev
);
620 void amdgpu_fbdev_set_suspend(struct amdgpu_device
*adev
, int state
);
621 int amdgpu_fbdev_total_size(struct amdgpu_device
*adev
);
622 bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device
*adev
, struct amdgpu_bo
*robj
);
624 int amdgpu_align_pitch(struct amdgpu_device
*adev
, int width
, int bpp
, bool tiled
);
626 /* amdgpu_display.c */
627 void amdgpu_display_print_display_setup(struct drm_device
*dev
);
628 int amdgpu_display_modeset_create_props(struct amdgpu_device
*adev
);
629 int amdgpu_display_crtc_set_config(struct drm_mode_set
*set
,
630 struct drm_modeset_acquire_ctx
*ctx
);
631 int amdgpu_display_crtc_page_flip_target(struct drm_crtc
*crtc
,
632 struct drm_framebuffer
*fb
,
633 struct drm_pending_vblank_event
*event
,
634 uint32_t page_flip_flags
, uint32_t target
,
635 struct drm_modeset_acquire_ctx
*ctx
);
636 extern const struct drm_mode_config_funcs amdgpu_mode_funcs
;