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_dp_helper.h>
36 #include <drm/drm_fixed.h>
37 #include <drm/drm_crtc_helper.h>
38 #include <drm/drm_fb_helper.h>
39 #include <drm/drm_plane_helper.h>
40 #include <linux/i2c.h>
41 #include <linux/i2c-algo-bit.h>
42 #include <linux/hrtimer.h>
43 #include "amdgpu_irq.h"
47 struct amdgpu_encoder;
51 #define to_amdgpu_crtc(x) container_of(x, struct amdgpu_crtc, base)
52 #define to_amdgpu_connector(x) container_of(x, struct amdgpu_connector, base)
53 #define to_amdgpu_encoder(x) container_of(x, struct amdgpu_encoder, base)
54 #define to_amdgpu_framebuffer(x) container_of(x, struct amdgpu_framebuffer, base)
56 #define AMDGPU_MAX_HPD_PINS 6
57 #define AMDGPU_MAX_CRTCS 6
58 #define AMDGPU_MAX_AFMT_BLOCKS 9
60 enum amdgpu_rmx_type {
67 enum amdgpu_underscan_type {
73 #define AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS 50
74 #define AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS 10
84 AMDGPU_HPD_NONE = 0xff,
87 enum amdgpu_crtc_irq {
88 AMDGPU_CRTC_IRQ_VBLANK1 = 0,
89 AMDGPU_CRTC_IRQ_VBLANK2,
90 AMDGPU_CRTC_IRQ_VBLANK3,
91 AMDGPU_CRTC_IRQ_VBLANK4,
92 AMDGPU_CRTC_IRQ_VBLANK5,
93 AMDGPU_CRTC_IRQ_VBLANK6,
94 AMDGPU_CRTC_IRQ_VLINE1,
95 AMDGPU_CRTC_IRQ_VLINE2,
96 AMDGPU_CRTC_IRQ_VLINE3,
97 AMDGPU_CRTC_IRQ_VLINE4,
98 AMDGPU_CRTC_IRQ_VLINE5,
99 AMDGPU_CRTC_IRQ_VLINE6,
100 AMDGPU_CRTC_IRQ_LAST,
101 AMDGPU_CRTC_IRQ_NONE = 0xff
104 enum amdgpu_pageflip_irq {
105 AMDGPU_PAGEFLIP_IRQ_D1 = 0,
106 AMDGPU_PAGEFLIP_IRQ_D2,
107 AMDGPU_PAGEFLIP_IRQ_D3,
108 AMDGPU_PAGEFLIP_IRQ_D4,
109 AMDGPU_PAGEFLIP_IRQ_D5,
110 AMDGPU_PAGEFLIP_IRQ_D6,
111 AMDGPU_PAGEFLIP_IRQ_LAST,
112 AMDGPU_PAGEFLIP_IRQ_NONE = 0xff
115 enum amdgpu_flip_status {
118 AMDGPU_FLIP_SUBMITTED
121 #define AMDGPU_MAX_I2C_BUS 16
123 /* amdgpu gpio-based i2c
124 * 1. "mask" reg and bits
125 * grabs the gpio pins for software use
127 * 2. "a" reg and bits
130 * 3. "en" reg and bits
131 * sets the pin direction
133 * 4. "y" reg and bits
137 struct amdgpu_i2c_bus_rec {
139 /* id used by atom */
141 /* id used by atom */
142 enum amdgpu_hpd_id hpd;
143 /* can be used with hw i2c engine */
145 /* uses multi-media i2c engine */
148 uint32_t mask_clk_reg;
149 uint32_t mask_data_reg;
153 uint32_t en_data_reg;
156 uint32_t mask_clk_mask;
157 uint32_t mask_data_mask;
159 uint32_t a_data_mask;
160 uint32_t en_clk_mask;
161 uint32_t en_data_mask;
163 uint32_t y_data_mask;
166 #define AMDGPU_MAX_BIOS_CONNECTOR 16
169 #define AMDGPU_PLL_USE_BIOS_DIVS (1 << 0)
170 #define AMDGPU_PLL_NO_ODD_POST_DIV (1 << 1)
171 #define AMDGPU_PLL_USE_REF_DIV (1 << 2)
172 #define AMDGPU_PLL_LEGACY (1 << 3)
173 #define AMDGPU_PLL_PREFER_LOW_REF_DIV (1 << 4)
174 #define AMDGPU_PLL_PREFER_HIGH_REF_DIV (1 << 5)
175 #define AMDGPU_PLL_PREFER_LOW_FB_DIV (1 << 6)
176 #define AMDGPU_PLL_PREFER_HIGH_FB_DIV (1 << 7)
177 #define AMDGPU_PLL_PREFER_LOW_POST_DIV (1 << 8)
178 #define AMDGPU_PLL_PREFER_HIGH_POST_DIV (1 << 9)
179 #define AMDGPU_PLL_USE_FRAC_FB_DIV (1 << 10)
180 #define AMDGPU_PLL_PREFER_CLOSEST_LOWER (1 << 11)
181 #define AMDGPU_PLL_USE_POST_DIV (1 << 12)
182 #define AMDGPU_PLL_IS_LCD (1 << 13)
183 #define AMDGPU_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
186 /* reference frequency */
187 uint32_t reference_freq;
190 uint32_t reference_div;
193 /* pll in/out limits */
196 uint32_t pll_out_min;
197 uint32_t pll_out_max;
198 uint32_t lcd_pll_out_min;
199 uint32_t lcd_pll_out_max;
203 uint32_t min_ref_div;
204 uint32_t max_ref_div;
205 uint32_t min_post_div;
206 uint32_t max_post_div;
207 uint32_t min_feedback_div;
208 uint32_t max_feedback_div;
209 uint32_t min_frac_feedback_div;
210 uint32_t max_frac_feedback_div;
212 /* flags for the current clock */
219 struct amdgpu_i2c_chan {
220 struct i2c_adapter adapter;
221 struct drm_device *dev;
222 struct i2c_algo_bit_data bit;
223 struct amdgpu_i2c_bus_rec rec;
224 struct drm_dp_aux aux;
234 bool last_buffer_filled_status;
236 struct amdgpu_audio_pin *pin;
242 struct amdgpu_audio_pin {
253 struct amdgpu_audio {
255 struct amdgpu_audio_pin pin[AMDGPU_MAX_AFMT_BLOCKS];
259 struct amdgpu_mode_mc_save {
260 u32 vga_render_control;
262 bool crtc_enabled[AMDGPU_MAX_CRTCS];
265 struct amdgpu_display_funcs {
267 void (*set_vga_render_state)(struct amdgpu_device *adev, bool render);
268 /* display watermarks */
269 void (*bandwidth_update)(struct amdgpu_device *adev);
270 /* get frame count */
271 u32 (*vblank_get_counter)(struct amdgpu_device *adev, int crtc);
272 /* wait for vblank */
273 void (*vblank_wait)(struct amdgpu_device *adev, int crtc);
274 /* set backlight level */
275 void (*backlight_set_level)(struct amdgpu_encoder *amdgpu_encoder,
277 /* get backlight level */
278 u8 (*backlight_get_level)(struct amdgpu_encoder *amdgpu_encoder);
280 bool (*hpd_sense)(struct amdgpu_device *adev, enum amdgpu_hpd_id hpd);
281 void (*hpd_set_polarity)(struct amdgpu_device *adev,
282 enum amdgpu_hpd_id hpd);
283 u32 (*hpd_get_gpio_reg)(struct amdgpu_device *adev);
285 void (*page_flip)(struct amdgpu_device *adev,
286 int crtc_id, u64 crtc_base, bool async);
287 int (*page_flip_get_scanoutpos)(struct amdgpu_device *adev, int crtc,
288 u32 *vbl, u32 *position);
289 /* display topology setup */
290 void (*add_encoder)(struct amdgpu_device *adev,
291 uint32_t encoder_enum,
292 uint32_t supported_device,
294 void (*add_connector)(struct amdgpu_device *adev,
295 uint32_t connector_id,
296 uint32_t supported_device,
298 struct amdgpu_i2c_bus_rec *i2c_bus,
299 uint16_t connector_object_id,
300 struct amdgpu_hpd *hpd,
301 struct amdgpu_router *router);
302 void (*stop_mc_access)(struct amdgpu_device *adev,
303 struct amdgpu_mode_mc_save *save);
304 void (*resume_mc_access)(struct amdgpu_device *adev,
305 struct amdgpu_mode_mc_save *save);
308 struct amdgpu_mode_info {
309 struct atom_context *atom_context;
310 struct card_info *atom_card_info;
311 bool mode_config_initialized;
312 struct amdgpu_crtc *crtcs[AMDGPU_MAX_CRTCS];
313 struct amdgpu_afmt *afmt[AMDGPU_MAX_AFMT_BLOCKS];
314 /* DVI-I properties */
315 struct drm_property *coherent_mode_property;
316 /* DAC enable load detect */
317 struct drm_property *load_detect_property;
319 struct drm_property *underscan_property;
320 struct drm_property *underscan_hborder_property;
321 struct drm_property *underscan_vborder_property;
323 struct drm_property *audio_property;
325 struct drm_property *dither_property;
326 /* hardcoded DFP edid from BIOS */
327 struct edid *bios_hardcoded_edid;
328 int bios_hardcoded_edid_size;
330 /* pointer to fbdev info structure */
331 struct amdgpu_fbdev *rfbdev;
334 /* pointer to backlight encoder */
335 struct amdgpu_encoder *bl_encoder;
336 struct amdgpu_audio audio; /* audio stuff */
337 int num_crtc; /* number of crtcs */
338 int num_hpd; /* number of hpd pins */
339 int num_dig; /* number of dig blocks */
341 const struct amdgpu_display_funcs *funcs;
344 #define AMDGPU_MAX_BL_LEVEL 0xFF
346 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
348 struct amdgpu_backlight_privdata {
349 struct amdgpu_encoder *encoder;
355 struct amdgpu_atom_ss {
357 uint16_t percentage_divider;
369 struct drm_crtc base;
371 u16 lut_r[256], lut_g[256], lut_b[256];
374 uint32_t crtc_offset;
375 struct drm_gem_object *cursor_bo;
376 uint64_t cursor_addr;
383 int max_cursor_width;
384 int max_cursor_height;
385 enum amdgpu_rmx_type rmx_type;
390 struct drm_display_mode native_mode;
393 struct amdgpu_flip_work *pflip_works;
394 enum amdgpu_flip_status pflip_status;
395 int deferred_flip_completion;
397 struct amdgpu_atom_ss ss;
401 u32 pll_reference_div;
404 struct drm_encoder *encoder;
405 struct drm_connector *connector;
410 u32 lb_vblank_lead_lines;
411 struct drm_display_mode hw_mode;
412 /* for virtual dce */
413 struct hrtimer vblank_timer;
414 enum amdgpu_interrupt_state vsync_timer_enabled;
417 struct amdgpu_encoder_atom_dig {
421 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
424 uint16_t panel_pwr_delay;
427 struct drm_display_mode native_mode;
428 struct backlight_device *bl_dev;
430 uint8_t backlight_level;
432 struct amdgpu_afmt *afmt;
435 struct amdgpu_encoder {
436 struct drm_encoder base;
437 uint32_t encoder_enum;
440 uint32_t active_device;
442 uint32_t pixel_clock;
443 enum amdgpu_rmx_type rmx_type;
444 enum amdgpu_underscan_type underscan_type;
445 uint32_t underscan_hborder;
446 uint32_t underscan_vborder;
447 struct drm_display_mode native_mode;
449 int audio_polling_active;
454 struct amdgpu_connector_atom_dig {
456 u8 dpcd[DP_RECEIVER_CAP_SIZE];
463 struct amdgpu_gpio_rec {
472 enum amdgpu_hpd_id hpd;
474 struct amdgpu_gpio_rec gpio;
477 struct amdgpu_router {
479 struct amdgpu_i2c_bus_rec i2c_info;
484 u8 ddc_mux_control_pin;
489 u8 cd_mux_control_pin;
493 enum amdgpu_connector_audio {
494 AMDGPU_AUDIO_DISABLE = 0,
495 AMDGPU_AUDIO_ENABLE = 1,
496 AMDGPU_AUDIO_AUTO = 2
499 enum amdgpu_connector_dither {
500 AMDGPU_FMT_DITHER_DISABLE = 0,
501 AMDGPU_FMT_DITHER_ENABLE = 1,
504 struct amdgpu_connector {
505 struct drm_connector base;
506 uint32_t connector_id;
508 struct amdgpu_i2c_chan *ddc_bus;
509 /* some systems have an hdmi and vga port with a shared ddc line */
512 /* we need to mind the EDID between detect
513 and get modes due to analog/digital/tvencoder */
516 bool dac_load_detect;
517 bool detected_by_load; /* if the connection status was determined by load */
518 uint16_t connector_object_id;
519 struct amdgpu_hpd hpd;
520 struct amdgpu_router router;
521 struct amdgpu_i2c_chan *router_bus;
522 enum amdgpu_connector_audio audio;
523 enum amdgpu_connector_dither dither;
524 unsigned pixelclock_for_modeset;
527 struct amdgpu_framebuffer {
528 struct drm_framebuffer base;
529 struct drm_gem_object *obj;
532 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
533 ((em) == ATOM_ENCODER_MODE_DP_MST))
535 /* Driver internal use only flags of amdgpu_get_crtc_scanoutpos() */
536 #define USE_REAL_VBLANKSTART (1 << 30)
537 #define GET_DISTANCE_TO_VBLANKSTART (1 << 31)
539 void amdgpu_link_encoder_connector(struct drm_device *dev);
541 struct drm_connector *
542 amdgpu_get_connector_for_encoder(struct drm_encoder *encoder);
543 struct drm_connector *
544 amdgpu_get_connector_for_encoder_init(struct drm_encoder *encoder);
545 bool amdgpu_dig_monitor_is_duallink(struct drm_encoder *encoder,
548 u16 amdgpu_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
549 struct drm_encoder *amdgpu_get_external_encoder(struct drm_encoder *encoder);
551 bool amdgpu_ddc_probe(struct amdgpu_connector *amdgpu_connector, bool use_aux);
553 void amdgpu_encoder_set_active_device(struct drm_encoder *encoder);
555 int amdgpu_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
556 unsigned int flags, int *vpos, int *hpos,
557 ktime_t *stime, ktime_t *etime,
558 const struct drm_display_mode *mode);
560 int amdgpu_framebuffer_init(struct drm_device *dev,
561 struct amdgpu_framebuffer *rfb,
562 const struct drm_mode_fb_cmd2 *mode_cmd,
563 struct drm_gem_object *obj);
565 int amdgpufb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
567 void amdgpu_enc_destroy(struct drm_encoder *encoder);
568 void amdgpu_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
569 bool amdgpu_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
570 const struct drm_display_mode *mode,
571 struct drm_display_mode *adjusted_mode);
572 void amdgpu_panel_mode_fixup(struct drm_encoder *encoder,
573 struct drm_display_mode *adjusted_mode);
574 int amdgpu_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc);
577 int amdgpu_fbdev_init(struct amdgpu_device *adev);
578 void amdgpu_fbdev_fini(struct amdgpu_device *adev);
579 void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state);
580 int amdgpu_fbdev_total_size(struct amdgpu_device *adev);
581 bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj);
582 void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev);
584 void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev);
587 int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tiled);
589 /* amdgpu_display.c */
590 void amdgpu_print_display_setup(struct drm_device *dev);
591 int amdgpu_modeset_create_props(struct amdgpu_device *adev);
592 int amdgpu_crtc_set_config(struct drm_mode_set *set);
593 int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
594 struct drm_framebuffer *fb,
595 struct drm_pending_vblank_event *event,
596 uint32_t page_flip_flags, uint32_t target);
597 extern const struct drm_mode_config_funcs amdgpu_mode_funcs;