xref: /linux/drivers/gpu/drm/radeon/radeon.h (revision 5d4a2e29fba5b2bef95b96a46b338ec4d76fa4fd)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
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:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
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.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __RADEON_H__
29 #define __RADEON_H__
30 
31 /* TODO: Here are things that needs to be done :
32  *	- surface allocator & initializer : (bit like scratch reg) should
33  *	  initialize HDP_ stuff on RS600, R600, R700 hw, well anythings
34  *	  related to surface
35  *	- WB : write back stuff (do it bit like scratch reg things)
36  *	- Vblank : look at Jesse's rework and what we should do
37  *	- r600/r700: gart & cp
38  *	- cs : clean cs ioctl use bitmap & things like that.
39  *	- power management stuff
40  *	- Barrier in gart code
41  *	- Unmappabled vram ?
42  *	- TESTING, TESTING, TESTING
43  */
44 
45 /* Initialization path:
46  *  We expect that acceleration initialization might fail for various
47  *  reasons even thought we work hard to make it works on most
48  *  configurations. In order to still have a working userspace in such
49  *  situation the init path must succeed up to the memory controller
50  *  initialization point. Failure before this point are considered as
51  *  fatal error. Here is the init callchain :
52  *      radeon_device_init  perform common structure, mutex initialization
53  *      asic_init           setup the GPU memory layout and perform all
54  *                          one time initialization (failure in this
55  *                          function are considered fatal)
56  *      asic_startup        setup the GPU acceleration, in order to
57  *                          follow guideline the first thing this
58  *                          function should do is setting the GPU
59  *                          memory controller (only MC setup failure
60  *                          are considered as fatal)
61  */
62 
63 #include <asm/atomic.h>
64 #include <linux/wait.h>
65 #include <linux/list.h>
66 #include <linux/kref.h>
67 
68 #include <ttm/ttm_bo_api.h>
69 #include <ttm/ttm_bo_driver.h>
70 #include <ttm/ttm_placement.h>
71 #include <ttm/ttm_module.h>
72 
73 #include "radeon_family.h"
74 #include "radeon_mode.h"
75 #include "radeon_reg.h"
76 
77 /*
78  * Modules parameters.
79  */
80 extern int radeon_no_wb;
81 extern int radeon_modeset;
82 extern int radeon_dynclks;
83 extern int radeon_r4xx_atom;
84 extern int radeon_agpmode;
85 extern int radeon_vram_limit;
86 extern int radeon_gart_size;
87 extern int radeon_benchmarking;
88 extern int radeon_testing;
89 extern int radeon_connector_table;
90 extern int radeon_tv;
91 extern int radeon_new_pll;
92 extern int radeon_audio;
93 extern int radeon_disp_priority;
94 extern int radeon_hw_i2c;
95 
96 /*
97  * Copy from radeon_drv.h so we don't have to include both and have conflicting
98  * symbol;
99  */
100 #define RADEON_MAX_USEC_TIMEOUT		100000	/* 100 ms */
101 #define RADEON_FENCE_JIFFIES_TIMEOUT	(HZ / 2)
102 /* RADEON_IB_POOL_SIZE must be a power of 2 */
103 #define RADEON_IB_POOL_SIZE		16
104 #define RADEON_DEBUGFS_MAX_NUM_FILES	32
105 #define RADEONFB_CONN_LIMIT		4
106 #define RADEON_BIOS_NUM_SCRATCH		8
107 
108 /*
109  * Errata workarounds.
110  */
111 enum radeon_pll_errata {
112 	CHIP_ERRATA_R300_CG             = 0x00000001,
113 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
114 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
115 };
116 
117 
118 struct radeon_device;
119 
120 
121 /*
122  * BIOS.
123  */
124 #define ATRM_BIOS_PAGE 4096
125 
126 #if defined(CONFIG_VGA_SWITCHEROO)
127 bool radeon_atrm_supported(struct pci_dev *pdev);
128 int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len);
129 #else
130 static inline bool radeon_atrm_supported(struct pci_dev *pdev)
131 {
132 	return false;
133 }
134 
135 static inline int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len){
136 	return -EINVAL;
137 }
138 #endif
139 bool radeon_get_bios(struct radeon_device *rdev);
140 
141 
142 /*
143  * Dummy page
144  */
145 struct radeon_dummy_page {
146 	struct page	*page;
147 	dma_addr_t	addr;
148 };
149 int radeon_dummy_page_init(struct radeon_device *rdev);
150 void radeon_dummy_page_fini(struct radeon_device *rdev);
151 
152 
153 /*
154  * Clocks
155  */
156 struct radeon_clock {
157 	struct radeon_pll p1pll;
158 	struct radeon_pll p2pll;
159 	struct radeon_pll dcpll;
160 	struct radeon_pll spll;
161 	struct radeon_pll mpll;
162 	/* 10 Khz units */
163 	uint32_t default_mclk;
164 	uint32_t default_sclk;
165 	uint32_t default_dispclk;
166 	uint32_t dp_extclk;
167 };
168 
169 /*
170  * Power management
171  */
172 int radeon_pm_init(struct radeon_device *rdev);
173 void radeon_pm_fini(struct radeon_device *rdev);
174 void radeon_pm_compute_clocks(struct radeon_device *rdev);
175 void radeon_pm_suspend(struct radeon_device *rdev);
176 void radeon_pm_resume(struct radeon_device *rdev);
177 void radeon_combios_get_power_modes(struct radeon_device *rdev);
178 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
179 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 level);
180 
181 /*
182  * Fences.
183  */
184 struct radeon_fence_driver {
185 	uint32_t			scratch_reg;
186 	atomic_t			seq;
187 	uint32_t			last_seq;
188 	unsigned long			last_jiffies;
189 	unsigned long			last_timeout;
190 	wait_queue_head_t		queue;
191 	rwlock_t			lock;
192 	struct list_head		created;
193 	struct list_head		emited;
194 	struct list_head		signaled;
195 	bool				initialized;
196 };
197 
198 struct radeon_fence {
199 	struct radeon_device		*rdev;
200 	struct kref			kref;
201 	struct list_head		list;
202 	/* protected by radeon_fence.lock */
203 	uint32_t			seq;
204 	bool				emited;
205 	bool				signaled;
206 };
207 
208 int radeon_fence_driver_init(struct radeon_device *rdev);
209 void radeon_fence_driver_fini(struct radeon_device *rdev);
210 int radeon_fence_create(struct radeon_device *rdev, struct radeon_fence **fence);
211 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence);
212 void radeon_fence_process(struct radeon_device *rdev);
213 bool radeon_fence_signaled(struct radeon_fence *fence);
214 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
215 int radeon_fence_wait_next(struct radeon_device *rdev);
216 int radeon_fence_wait_last(struct radeon_device *rdev);
217 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
218 void radeon_fence_unref(struct radeon_fence **fence);
219 
220 /*
221  * Tiling registers
222  */
223 struct radeon_surface_reg {
224 	struct radeon_bo *bo;
225 };
226 
227 #define RADEON_GEM_MAX_SURFACES 8
228 
229 /*
230  * TTM.
231  */
232 struct radeon_mman {
233 	struct ttm_bo_global_ref        bo_global_ref;
234 	struct ttm_global_reference	mem_global_ref;
235 	struct ttm_bo_device		bdev;
236 	bool				mem_global_referenced;
237 	bool				initialized;
238 };
239 
240 struct radeon_bo {
241 	/* Protected by gem.mutex */
242 	struct list_head		list;
243 	/* Protected by tbo.reserved */
244 	u32				placements[3];
245 	struct ttm_placement		placement;
246 	struct ttm_buffer_object	tbo;
247 	struct ttm_bo_kmap_obj		kmap;
248 	unsigned			pin_count;
249 	void				*kptr;
250 	u32				tiling_flags;
251 	u32				pitch;
252 	int				surface_reg;
253 	/* Constant after initialization */
254 	struct radeon_device		*rdev;
255 	struct drm_gem_object		*gobj;
256 };
257 
258 struct radeon_bo_list {
259 	struct list_head	list;
260 	struct radeon_bo	*bo;
261 	uint64_t		gpu_offset;
262 	unsigned		rdomain;
263 	unsigned		wdomain;
264 	u32			tiling_flags;
265 	bool			reserved;
266 };
267 
268 /*
269  * GEM objects.
270  */
271 struct radeon_gem {
272 	struct mutex		mutex;
273 	struct list_head	objects;
274 };
275 
276 int radeon_gem_init(struct radeon_device *rdev);
277 void radeon_gem_fini(struct radeon_device *rdev);
278 int radeon_gem_object_create(struct radeon_device *rdev, int size,
279 				int alignment, int initial_domain,
280 				bool discardable, bool kernel,
281 				struct drm_gem_object **obj);
282 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
283 			  uint64_t *gpu_addr);
284 void radeon_gem_object_unpin(struct drm_gem_object *obj);
285 
286 
287 /*
288  * GART structures, functions & helpers
289  */
290 struct radeon_mc;
291 
292 struct radeon_gart_table_ram {
293 	volatile uint32_t		*ptr;
294 };
295 
296 struct radeon_gart_table_vram {
297 	struct radeon_bo		*robj;
298 	volatile uint32_t		*ptr;
299 };
300 
301 union radeon_gart_table {
302 	struct radeon_gart_table_ram	ram;
303 	struct radeon_gart_table_vram	vram;
304 };
305 
306 #define RADEON_GPU_PAGE_SIZE 4096
307 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
308 
309 struct radeon_gart {
310 	dma_addr_t			table_addr;
311 	unsigned			num_gpu_pages;
312 	unsigned			num_cpu_pages;
313 	unsigned			table_size;
314 	union radeon_gart_table		table;
315 	struct page			**pages;
316 	dma_addr_t			*pages_addr;
317 	bool				ready;
318 };
319 
320 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
321 void radeon_gart_table_ram_free(struct radeon_device *rdev);
322 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
323 void radeon_gart_table_vram_free(struct radeon_device *rdev);
324 int radeon_gart_init(struct radeon_device *rdev);
325 void radeon_gart_fini(struct radeon_device *rdev);
326 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
327 			int pages);
328 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
329 		     int pages, struct page **pagelist);
330 
331 
332 /*
333  * GPU MC structures, functions & helpers
334  */
335 struct radeon_mc {
336 	resource_size_t		aper_size;
337 	resource_size_t		aper_base;
338 	resource_size_t		agp_base;
339 	/* for some chips with <= 32MB we need to lie
340 	 * about vram size near mc fb location */
341 	u64			mc_vram_size;
342 	u64			visible_vram_size;
343 	u64			gtt_size;
344 	u64			gtt_start;
345 	u64			gtt_end;
346 	u64			vram_start;
347 	u64			vram_end;
348 	unsigned		vram_width;
349 	u64			real_vram_size;
350 	int			vram_mtrr;
351 	bool			vram_is_ddr;
352 	bool			igp_sideport_enabled;
353 };
354 
355 bool radeon_combios_sideport_present(struct radeon_device *rdev);
356 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
357 
358 /*
359  * GPU scratch registers structures, functions & helpers
360  */
361 struct radeon_scratch {
362 	unsigned		num_reg;
363 	bool			free[32];
364 	uint32_t		reg[32];
365 };
366 
367 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
368 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
369 
370 
371 /*
372  * IRQS.
373  */
374 struct radeon_irq {
375 	bool		installed;
376 	bool		sw_int;
377 	/* FIXME: use a define max crtc rather than hardcode it */
378 	bool		crtc_vblank_int[6];
379 	wait_queue_head_t	vblank_queue;
380 	/* FIXME: use defines for max hpd/dacs */
381 	bool            hpd[6];
382 	bool            gui_idle;
383 	bool            gui_idle_acked;
384 	wait_queue_head_t	idle_queue;
385 	/* FIXME: use defines for max HDMI blocks */
386 	bool		hdmi[2];
387 	spinlock_t sw_lock;
388 	int sw_refcount;
389 };
390 
391 int radeon_irq_kms_init(struct radeon_device *rdev);
392 void radeon_irq_kms_fini(struct radeon_device *rdev);
393 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev);
394 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev);
395 
396 /*
397  * CP & ring.
398  */
399 struct radeon_ib {
400 	struct list_head	list;
401 	unsigned		idx;
402 	uint64_t		gpu_addr;
403 	struct radeon_fence	*fence;
404 	uint32_t		*ptr;
405 	uint32_t		length_dw;
406 	bool			free;
407 };
408 
409 /*
410  * locking -
411  * mutex protects scheduled_ibs, ready, alloc_bm
412  */
413 struct radeon_ib_pool {
414 	struct mutex		mutex;
415 	struct radeon_bo	*robj;
416 	struct list_head	bogus_ib;
417 	struct radeon_ib	ibs[RADEON_IB_POOL_SIZE];
418 	bool			ready;
419 	unsigned		head_id;
420 };
421 
422 struct radeon_cp {
423 	struct radeon_bo	*ring_obj;
424 	volatile uint32_t	*ring;
425 	unsigned		rptr;
426 	unsigned		wptr;
427 	unsigned		wptr_old;
428 	unsigned		ring_size;
429 	unsigned		ring_free_dw;
430 	int			count_dw;
431 	uint64_t		gpu_addr;
432 	uint32_t		align_mask;
433 	uint32_t		ptr_mask;
434 	struct mutex		mutex;
435 	bool			ready;
436 };
437 
438 /*
439  * R6xx+ IH ring
440  */
441 struct r600_ih {
442 	struct radeon_bo	*ring_obj;
443 	volatile uint32_t	*ring;
444 	unsigned		rptr;
445 	unsigned		wptr;
446 	unsigned		wptr_old;
447 	unsigned		ring_size;
448 	uint64_t		gpu_addr;
449 	uint32_t		ptr_mask;
450 	spinlock_t              lock;
451 	bool                    enabled;
452 };
453 
454 struct r600_blit {
455 	struct mutex		mutex;
456 	struct radeon_bo	*shader_obj;
457 	u64 shader_gpu_addr;
458 	u32 vs_offset, ps_offset;
459 	u32 state_offset;
460 	u32 state_len;
461 	u32 vb_used, vb_total;
462 	struct radeon_ib *vb_ib;
463 };
464 
465 int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib);
466 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib);
467 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib);
468 int radeon_ib_pool_init(struct radeon_device *rdev);
469 void radeon_ib_pool_fini(struct radeon_device *rdev);
470 int radeon_ib_test(struct radeon_device *rdev);
471 extern void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib);
472 /* Ring access between begin & end cannot sleep */
473 void radeon_ring_free_size(struct radeon_device *rdev);
474 int radeon_ring_alloc(struct radeon_device *rdev, unsigned ndw);
475 int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw);
476 void radeon_ring_commit(struct radeon_device *rdev);
477 void radeon_ring_unlock_commit(struct radeon_device *rdev);
478 void radeon_ring_unlock_undo(struct radeon_device *rdev);
479 int radeon_ring_test(struct radeon_device *rdev);
480 int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size);
481 void radeon_ring_fini(struct radeon_device *rdev);
482 
483 
484 /*
485  * CS.
486  */
487 struct radeon_cs_reloc {
488 	struct drm_gem_object		*gobj;
489 	struct radeon_bo		*robj;
490 	struct radeon_bo_list		lobj;
491 	uint32_t			handle;
492 	uint32_t			flags;
493 };
494 
495 struct radeon_cs_chunk {
496 	uint32_t		chunk_id;
497 	uint32_t		length_dw;
498 	int kpage_idx[2];
499 	uint32_t                *kpage[2];
500 	uint32_t		*kdata;
501 	void __user *user_ptr;
502 	int last_copied_page;
503 	int last_page_index;
504 };
505 
506 struct radeon_cs_parser {
507 	struct device		*dev;
508 	struct radeon_device	*rdev;
509 	struct drm_file		*filp;
510 	/* chunks */
511 	unsigned		nchunks;
512 	struct radeon_cs_chunk	*chunks;
513 	uint64_t		*chunks_array;
514 	/* IB */
515 	unsigned		idx;
516 	/* relocations */
517 	unsigned		nrelocs;
518 	struct radeon_cs_reloc	*relocs;
519 	struct radeon_cs_reloc	**relocs_ptr;
520 	struct list_head	validated;
521 	/* indices of various chunks */
522 	int			chunk_ib_idx;
523 	int			chunk_relocs_idx;
524 	struct radeon_ib	*ib;
525 	void			*track;
526 	unsigned		family;
527 	int parser_error;
528 };
529 
530 extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx);
531 extern int radeon_cs_finish_pages(struct radeon_cs_parser *p);
532 
533 
534 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
535 {
536 	struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
537 	u32 pg_idx, pg_offset;
538 	u32 idx_value = 0;
539 	int new_page;
540 
541 	pg_idx = (idx * 4) / PAGE_SIZE;
542 	pg_offset = (idx * 4) % PAGE_SIZE;
543 
544 	if (ibc->kpage_idx[0] == pg_idx)
545 		return ibc->kpage[0][pg_offset/4];
546 	if (ibc->kpage_idx[1] == pg_idx)
547 		return ibc->kpage[1][pg_offset/4];
548 
549 	new_page = radeon_cs_update_pages(p, pg_idx);
550 	if (new_page < 0) {
551 		p->parser_error = new_page;
552 		return 0;
553 	}
554 
555 	idx_value = ibc->kpage[new_page][pg_offset/4];
556 	return idx_value;
557 }
558 
559 struct radeon_cs_packet {
560 	unsigned	idx;
561 	unsigned	type;
562 	unsigned	reg;
563 	unsigned	opcode;
564 	int		count;
565 	unsigned	one_reg_wr;
566 };
567 
568 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
569 				      struct radeon_cs_packet *pkt,
570 				      unsigned idx, unsigned reg);
571 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
572 				      struct radeon_cs_packet *pkt);
573 
574 
575 /*
576  * AGP
577  */
578 int radeon_agp_init(struct radeon_device *rdev);
579 void radeon_agp_resume(struct radeon_device *rdev);
580 void radeon_agp_suspend(struct radeon_device *rdev);
581 void radeon_agp_fini(struct radeon_device *rdev);
582 
583 
584 /*
585  * Writeback
586  */
587 struct radeon_wb {
588 	struct radeon_bo	*wb_obj;
589 	volatile uint32_t	*wb;
590 	uint64_t		gpu_addr;
591 };
592 
593 /**
594  * struct radeon_pm - power management datas
595  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
596  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
597  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
598  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
599  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
600  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
601  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
602  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
603  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
604  * @sclk:          	GPU clock Mhz (core bandwith depends of this clock)
605  * @needed_bandwidth:   current bandwidth needs
606  *
607  * It keeps track of various data needed to take powermanagement decision.
608  * Bandwith need is used to determine minimun clock of the GPU and memory.
609  * Equation between gpu/memory clock and available bandwidth is hw dependent
610  * (type of memory, bus size, efficiency, ...)
611  */
612 
613 enum radeon_pm_method {
614 	PM_METHOD_PROFILE,
615 	PM_METHOD_DYNPM,
616 };
617 
618 enum radeon_dynpm_state {
619 	DYNPM_STATE_DISABLED,
620 	DYNPM_STATE_MINIMUM,
621 	DYNPM_STATE_PAUSED,
622 	DYNPM_STATE_ACTIVE
623 };
624 enum radeon_dynpm_action {
625 	DYNPM_ACTION_NONE,
626 	DYNPM_ACTION_MINIMUM,
627 	DYNPM_ACTION_DOWNCLOCK,
628 	DYNPM_ACTION_UPCLOCK,
629 	DYNPM_ACTION_DEFAULT
630 };
631 
632 enum radeon_voltage_type {
633 	VOLTAGE_NONE = 0,
634 	VOLTAGE_GPIO,
635 	VOLTAGE_VDDC,
636 	VOLTAGE_SW
637 };
638 
639 enum radeon_pm_state_type {
640 	POWER_STATE_TYPE_DEFAULT,
641 	POWER_STATE_TYPE_POWERSAVE,
642 	POWER_STATE_TYPE_BATTERY,
643 	POWER_STATE_TYPE_BALANCED,
644 	POWER_STATE_TYPE_PERFORMANCE,
645 };
646 
647 enum radeon_pm_profile_type {
648 	PM_PROFILE_DEFAULT,
649 	PM_PROFILE_AUTO,
650 	PM_PROFILE_LOW,
651 	PM_PROFILE_MID,
652 	PM_PROFILE_HIGH,
653 };
654 
655 #define PM_PROFILE_DEFAULT_IDX 0
656 #define PM_PROFILE_LOW_SH_IDX  1
657 #define PM_PROFILE_MID_SH_IDX  2
658 #define PM_PROFILE_HIGH_SH_IDX 3
659 #define PM_PROFILE_LOW_MH_IDX  4
660 #define PM_PROFILE_MID_MH_IDX  5
661 #define PM_PROFILE_HIGH_MH_IDX 6
662 #define PM_PROFILE_MAX         7
663 
664 struct radeon_pm_profile {
665 	int dpms_off_ps_idx;
666 	int dpms_on_ps_idx;
667 	int dpms_off_cm_idx;
668 	int dpms_on_cm_idx;
669 };
670 
671 struct radeon_voltage {
672 	enum radeon_voltage_type type;
673 	/* gpio voltage */
674 	struct radeon_gpio_rec gpio;
675 	u32 delay; /* delay in usec from voltage drop to sclk change */
676 	bool active_high; /* voltage drop is active when bit is high */
677 	/* VDDC voltage */
678 	u8 vddc_id; /* index into vddc voltage table */
679 	u8 vddci_id; /* index into vddci voltage table */
680 	bool vddci_enabled;
681 	/* r6xx+ sw */
682 	u32 voltage;
683 };
684 
685 /* clock mode flags */
686 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
687 
688 struct radeon_pm_clock_info {
689 	/* memory clock */
690 	u32 mclk;
691 	/* engine clock */
692 	u32 sclk;
693 	/* voltage info */
694 	struct radeon_voltage voltage;
695 	/* standardized clock flags */
696 	u32 flags;
697 };
698 
699 /* state flags */
700 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
701 
702 struct radeon_power_state {
703 	enum radeon_pm_state_type type;
704 	/* XXX: use a define for num clock modes */
705 	struct radeon_pm_clock_info clock_info[8];
706 	/* number of valid clock modes in this power state */
707 	int num_clock_modes;
708 	struct radeon_pm_clock_info *default_clock_mode;
709 	/* standardized state flags */
710 	u32 flags;
711 	u32 misc; /* vbios specific flags */
712 	u32 misc2; /* vbios specific flags */
713 	int pcie_lanes; /* pcie lanes */
714 };
715 
716 /*
717  * Some modes are overclocked by very low value, accept them
718  */
719 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
720 
721 struct radeon_pm {
722 	struct mutex		mutex;
723 	u32			active_crtcs;
724 	int			active_crtc_count;
725 	int			req_vblank;
726 	bool			vblank_sync;
727 	bool			gui_idle;
728 	fixed20_12		max_bandwidth;
729 	fixed20_12		igp_sideport_mclk;
730 	fixed20_12		igp_system_mclk;
731 	fixed20_12		igp_ht_link_clk;
732 	fixed20_12		igp_ht_link_width;
733 	fixed20_12		k8_bandwidth;
734 	fixed20_12		sideport_bandwidth;
735 	fixed20_12		ht_bandwidth;
736 	fixed20_12		core_bandwidth;
737 	fixed20_12		sclk;
738 	fixed20_12		mclk;
739 	fixed20_12		needed_bandwidth;
740 	/* XXX: use a define for num power modes */
741 	struct radeon_power_state power_state[8];
742 	/* number of valid power states */
743 	int                     num_power_states;
744 	int                     current_power_state_index;
745 	int                     current_clock_mode_index;
746 	int                     requested_power_state_index;
747 	int                     requested_clock_mode_index;
748 	int                     default_power_state_index;
749 	u32                     current_sclk;
750 	u32                     current_mclk;
751 	u32                     current_vddc;
752 	struct radeon_i2c_chan *i2c_bus;
753 	/* selected pm method */
754 	enum radeon_pm_method     pm_method;
755 	/* dynpm power management */
756 	struct delayed_work	dynpm_idle_work;
757 	enum radeon_dynpm_state	dynpm_state;
758 	enum radeon_dynpm_action	dynpm_planned_action;
759 	unsigned long		dynpm_action_timeout;
760 	bool                    dynpm_can_upclock;
761 	bool                    dynpm_can_downclock;
762 	/* profile-based power management */
763 	enum radeon_pm_profile_type profile;
764 	int                     profile_index;
765 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
766 };
767 
768 
769 /*
770  * Benchmarking
771  */
772 void radeon_benchmark(struct radeon_device *rdev);
773 
774 
775 /*
776  * Testing
777  */
778 void radeon_test_moves(struct radeon_device *rdev);
779 
780 
781 /*
782  * Debugfs
783  */
784 int radeon_debugfs_add_files(struct radeon_device *rdev,
785 			     struct drm_info_list *files,
786 			     unsigned nfiles);
787 int radeon_debugfs_fence_init(struct radeon_device *rdev);
788 
789 
790 /*
791  * ASIC specific functions.
792  */
793 struct radeon_asic {
794 	int (*init)(struct radeon_device *rdev);
795 	void (*fini)(struct radeon_device *rdev);
796 	int (*resume)(struct radeon_device *rdev);
797 	int (*suspend)(struct radeon_device *rdev);
798 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
799 	bool (*gpu_is_lockup)(struct radeon_device *rdev);
800 	int (*asic_reset)(struct radeon_device *rdev);
801 	void (*gart_tlb_flush)(struct radeon_device *rdev);
802 	int (*gart_set_page)(struct radeon_device *rdev, int i, uint64_t addr);
803 	int (*cp_init)(struct radeon_device *rdev, unsigned ring_size);
804 	void (*cp_fini)(struct radeon_device *rdev);
805 	void (*cp_disable)(struct radeon_device *rdev);
806 	void (*cp_commit)(struct radeon_device *rdev);
807 	void (*ring_start)(struct radeon_device *rdev);
808 	int (*ring_test)(struct radeon_device *rdev);
809 	void (*ring_ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
810 	int (*irq_set)(struct radeon_device *rdev);
811 	int (*irq_process)(struct radeon_device *rdev);
812 	u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
813 	void (*fence_ring_emit)(struct radeon_device *rdev, struct radeon_fence *fence);
814 	int (*cs_parse)(struct radeon_cs_parser *p);
815 	int (*copy_blit)(struct radeon_device *rdev,
816 			 uint64_t src_offset,
817 			 uint64_t dst_offset,
818 			 unsigned num_pages,
819 			 struct radeon_fence *fence);
820 	int (*copy_dma)(struct radeon_device *rdev,
821 			uint64_t src_offset,
822 			uint64_t dst_offset,
823 			unsigned num_pages,
824 			struct radeon_fence *fence);
825 	int (*copy)(struct radeon_device *rdev,
826 		    uint64_t src_offset,
827 		    uint64_t dst_offset,
828 		    unsigned num_pages,
829 		    struct radeon_fence *fence);
830 	uint32_t (*get_engine_clock)(struct radeon_device *rdev);
831 	void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
832 	uint32_t (*get_memory_clock)(struct radeon_device *rdev);
833 	void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
834 	int (*get_pcie_lanes)(struct radeon_device *rdev);
835 	void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
836 	void (*set_clock_gating)(struct radeon_device *rdev, int enable);
837 	int (*set_surface_reg)(struct radeon_device *rdev, int reg,
838 			       uint32_t tiling_flags, uint32_t pitch,
839 			       uint32_t offset, uint32_t obj_size);
840 	void (*clear_surface_reg)(struct radeon_device *rdev, int reg);
841 	void (*bandwidth_update)(struct radeon_device *rdev);
842 	void (*hpd_init)(struct radeon_device *rdev);
843 	void (*hpd_fini)(struct radeon_device *rdev);
844 	bool (*hpd_sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
845 	void (*hpd_set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
846 	/* ioctl hw specific callback. Some hw might want to perform special
847 	 * operation on specific ioctl. For instance on wait idle some hw
848 	 * might want to perform and HDP flush through MMIO as it seems that
849 	 * some R6XX/R7XX hw doesn't take HDP flush into account if programmed
850 	 * through ring.
851 	 */
852 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
853 	bool (*gui_idle)(struct radeon_device *rdev);
854 	/* power management */
855 	void (*pm_misc)(struct radeon_device *rdev);
856 	void (*pm_prepare)(struct radeon_device *rdev);
857 	void (*pm_finish)(struct radeon_device *rdev);
858 	void (*pm_init_profile)(struct radeon_device *rdev);
859 	void (*pm_get_dynpm_state)(struct radeon_device *rdev);
860 };
861 
862 /*
863  * Asic structures
864  */
865 struct r100_gpu_lockup {
866 	unsigned long	last_jiffies;
867 	u32		last_cp_rptr;
868 };
869 
870 struct r100_asic {
871 	const unsigned		*reg_safe_bm;
872 	unsigned		reg_safe_bm_size;
873 	u32			hdp_cntl;
874 	struct r100_gpu_lockup	lockup;
875 };
876 
877 struct r300_asic {
878 	const unsigned		*reg_safe_bm;
879 	unsigned		reg_safe_bm_size;
880 	u32			resync_scratch;
881 	u32			hdp_cntl;
882 	struct r100_gpu_lockup	lockup;
883 };
884 
885 struct r600_asic {
886 	unsigned		max_pipes;
887 	unsigned		max_tile_pipes;
888 	unsigned		max_simds;
889 	unsigned		max_backends;
890 	unsigned		max_gprs;
891 	unsigned		max_threads;
892 	unsigned		max_stack_entries;
893 	unsigned		max_hw_contexts;
894 	unsigned		max_gs_threads;
895 	unsigned		sx_max_export_size;
896 	unsigned		sx_max_export_pos_size;
897 	unsigned		sx_max_export_smx_size;
898 	unsigned		sq_num_cf_insts;
899 	unsigned		tiling_nbanks;
900 	unsigned		tiling_npipes;
901 	unsigned		tiling_group_size;
902 	struct r100_gpu_lockup	lockup;
903 };
904 
905 struct rv770_asic {
906 	unsigned		max_pipes;
907 	unsigned		max_tile_pipes;
908 	unsigned		max_simds;
909 	unsigned		max_backends;
910 	unsigned		max_gprs;
911 	unsigned		max_threads;
912 	unsigned		max_stack_entries;
913 	unsigned		max_hw_contexts;
914 	unsigned		max_gs_threads;
915 	unsigned		sx_max_export_size;
916 	unsigned		sx_max_export_pos_size;
917 	unsigned		sx_max_export_smx_size;
918 	unsigned		sq_num_cf_insts;
919 	unsigned		sx_num_of_sets;
920 	unsigned		sc_prim_fifo_size;
921 	unsigned		sc_hiz_tile_fifo_size;
922 	unsigned		sc_earlyz_tile_fifo_fize;
923 	unsigned		tiling_nbanks;
924 	unsigned		tiling_npipes;
925 	unsigned		tiling_group_size;
926 	struct r100_gpu_lockup	lockup;
927 };
928 
929 struct evergreen_asic {
930 	unsigned num_ses;
931 	unsigned max_pipes;
932 	unsigned max_tile_pipes;
933 	unsigned max_simds;
934 	unsigned max_backends;
935 	unsigned max_gprs;
936 	unsigned max_threads;
937 	unsigned max_stack_entries;
938 	unsigned max_hw_contexts;
939 	unsigned max_gs_threads;
940 	unsigned sx_max_export_size;
941 	unsigned sx_max_export_pos_size;
942 	unsigned sx_max_export_smx_size;
943 	unsigned sq_num_cf_insts;
944 	unsigned sx_num_of_sets;
945 	unsigned sc_prim_fifo_size;
946 	unsigned sc_hiz_tile_fifo_size;
947 	unsigned sc_earlyz_tile_fifo_size;
948 	unsigned tiling_nbanks;
949 	unsigned tiling_npipes;
950 	unsigned tiling_group_size;
951 };
952 
953 union radeon_asic_config {
954 	struct r300_asic	r300;
955 	struct r100_asic	r100;
956 	struct r600_asic	r600;
957 	struct rv770_asic	rv770;
958 	struct evergreen_asic	evergreen;
959 };
960 
961 /*
962  * asic initizalization from radeon_asic.c
963  */
964 void radeon_agp_disable(struct radeon_device *rdev);
965 int radeon_asic_init(struct radeon_device *rdev);
966 
967 
968 /*
969  * IOCTL.
970  */
971 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
972 			  struct drm_file *filp);
973 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
974 			    struct drm_file *filp);
975 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
976 			 struct drm_file *file_priv);
977 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
978 			   struct drm_file *file_priv);
979 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
980 			    struct drm_file *file_priv);
981 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
982 			   struct drm_file *file_priv);
983 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
984 				struct drm_file *filp);
985 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
986 			  struct drm_file *filp);
987 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
988 			  struct drm_file *filp);
989 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
990 			      struct drm_file *filp);
991 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
992 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
993 				struct drm_file *filp);
994 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
995 				struct drm_file *filp);
996 
997 
998 /*
999  * Core structure, functions and helpers.
1000  */
1001 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
1002 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
1003 
1004 struct radeon_device {
1005 	struct device			*dev;
1006 	struct drm_device		*ddev;
1007 	struct pci_dev			*pdev;
1008 	/* ASIC */
1009 	union radeon_asic_config	config;
1010 	enum radeon_family		family;
1011 	unsigned long			flags;
1012 	int				usec_timeout;
1013 	enum radeon_pll_errata		pll_errata;
1014 	int				num_gb_pipes;
1015 	int				num_z_pipes;
1016 	int				disp_priority;
1017 	/* BIOS */
1018 	uint8_t				*bios;
1019 	bool				is_atom_bios;
1020 	uint16_t			bios_header_start;
1021 	struct radeon_bo		*stollen_vga_memory;
1022 	/* Register mmio */
1023 	resource_size_t			rmmio_base;
1024 	resource_size_t			rmmio_size;
1025 	void				*rmmio;
1026 	radeon_rreg_t			mc_rreg;
1027 	radeon_wreg_t			mc_wreg;
1028 	radeon_rreg_t			pll_rreg;
1029 	radeon_wreg_t			pll_wreg;
1030 	uint32_t                        pcie_reg_mask;
1031 	radeon_rreg_t			pciep_rreg;
1032 	radeon_wreg_t			pciep_wreg;
1033 	struct radeon_clock             clock;
1034 	struct radeon_mc		mc;
1035 	struct radeon_gart		gart;
1036 	struct radeon_mode_info		mode_info;
1037 	struct radeon_scratch		scratch;
1038 	struct radeon_mman		mman;
1039 	struct radeon_fence_driver	fence_drv;
1040 	struct radeon_cp		cp;
1041 	struct radeon_ib_pool		ib_pool;
1042 	struct radeon_irq		irq;
1043 	struct radeon_asic		*asic;
1044 	struct radeon_gem		gem;
1045 	struct radeon_pm		pm;
1046 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
1047 	struct mutex			cs_mutex;
1048 	struct radeon_wb		wb;
1049 	struct radeon_dummy_page	dummy_page;
1050 	bool				gpu_lockup;
1051 	bool				shutdown;
1052 	bool				suspend;
1053 	bool				need_dma32;
1054 	bool				accel_working;
1055 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
1056 	const struct firmware *me_fw;	/* all family ME firmware */
1057 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
1058 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
1059 	struct r600_blit r600_blit;
1060 	int msi_enabled; /* msi enabled */
1061 	struct r600_ih ih; /* r6/700 interrupt ring */
1062 	struct workqueue_struct *wq;
1063 	struct work_struct hotplug_work;
1064 	int num_crtc; /* number of crtcs */
1065 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
1066 	struct mutex vram_mutex;
1067 
1068 	/* audio stuff */
1069 	struct timer_list	audio_timer;
1070 	int			audio_channels;
1071 	int			audio_rate;
1072 	int			audio_bits_per_sample;
1073 	uint8_t			audio_status_bits;
1074 	uint8_t			audio_category_code;
1075 
1076 	bool powered_down;
1077 	struct notifier_block acpi_nb;
1078 };
1079 
1080 int radeon_device_init(struct radeon_device *rdev,
1081 		       struct drm_device *ddev,
1082 		       struct pci_dev *pdev,
1083 		       uint32_t flags);
1084 void radeon_device_fini(struct radeon_device *rdev);
1085 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
1086 
1087 /* r600 blit */
1088 int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes);
1089 void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence);
1090 void r600_kms_blit_copy(struct radeon_device *rdev,
1091 			u64 src_gpu_addr, u64 dst_gpu_addr,
1092 			int size_bytes);
1093 
1094 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
1095 {
1096 	if (reg < rdev->rmmio_size)
1097 		return readl(((void __iomem *)rdev->rmmio) + reg);
1098 	else {
1099 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
1100 		return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
1101 	}
1102 }
1103 
1104 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1105 {
1106 	if (reg < rdev->rmmio_size)
1107 		writel(v, ((void __iomem *)rdev->rmmio) + reg);
1108 	else {
1109 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
1110 		writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
1111 	}
1112 }
1113 
1114 /*
1115  * Cast helper
1116  */
1117 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
1118 
1119 /*
1120  * Registers read & write functions.
1121  */
1122 #define RREG8(reg) readb(((void __iomem *)rdev->rmmio) + (reg))
1123 #define WREG8(reg, v) writeb(v, ((void __iomem *)rdev->rmmio) + (reg))
1124 #define RREG32(reg) r100_mm_rreg(rdev, (reg))
1125 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg)))
1126 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v))
1127 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1128 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1129 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
1130 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
1131 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
1132 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
1133 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
1134 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
1135 #define RREG32_PCIE_P(reg) rdev->pciep_rreg(rdev, (reg))
1136 #define WREG32_PCIE_P(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
1137 #define WREG32_P(reg, val, mask)				\
1138 	do {							\
1139 		uint32_t tmp_ = RREG32(reg);			\
1140 		tmp_ &= (mask);					\
1141 		tmp_ |= ((val) & ~(mask));			\
1142 		WREG32(reg, tmp_);				\
1143 	} while (0)
1144 #define WREG32_PLL_P(reg, val, mask)				\
1145 	do {							\
1146 		uint32_t tmp_ = RREG32_PLL(reg);		\
1147 		tmp_ &= (mask);					\
1148 		tmp_ |= ((val) & ~(mask));			\
1149 		WREG32_PLL(reg, tmp_);				\
1150 	} while (0)
1151 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg)))
1152 
1153 /*
1154  * Indirect registers accessor
1155  */
1156 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
1157 {
1158 	uint32_t r;
1159 
1160 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
1161 	r = RREG32(RADEON_PCIE_DATA);
1162 	return r;
1163 }
1164 
1165 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1166 {
1167 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
1168 	WREG32(RADEON_PCIE_DATA, (v));
1169 }
1170 
1171 void r100_pll_errata_after_index(struct radeon_device *rdev);
1172 
1173 
1174 /*
1175  * ASICs helpers.
1176  */
1177 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
1178 			    (rdev->pdev->device == 0x5969))
1179 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
1180 		(rdev->family == CHIP_RV200) || \
1181 		(rdev->family == CHIP_RS100) || \
1182 		(rdev->family == CHIP_RS200) || \
1183 		(rdev->family == CHIP_RV250) || \
1184 		(rdev->family == CHIP_RV280) || \
1185 		(rdev->family == CHIP_RS300))
1186 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
1187 		(rdev->family == CHIP_RV350) ||			\
1188 		(rdev->family == CHIP_R350)  ||			\
1189 		(rdev->family == CHIP_RV380) ||			\
1190 		(rdev->family == CHIP_R420)  ||			\
1191 		(rdev->family == CHIP_R423)  ||			\
1192 		(rdev->family == CHIP_RV410) ||			\
1193 		(rdev->family == CHIP_RS400) ||			\
1194 		(rdev->family == CHIP_RS480))
1195 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
1196 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
1197 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
1198 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
1199 
1200 /*
1201  * BIOS helpers.
1202  */
1203 #define RBIOS8(i) (rdev->bios[i])
1204 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1205 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1206 
1207 int radeon_combios_init(struct radeon_device *rdev);
1208 void radeon_combios_fini(struct radeon_device *rdev);
1209 int radeon_atombios_init(struct radeon_device *rdev);
1210 void radeon_atombios_fini(struct radeon_device *rdev);
1211 
1212 
1213 /*
1214  * RING helpers.
1215  */
1216 static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
1217 {
1218 #if DRM_DEBUG_CODE
1219 	if (rdev->cp.count_dw <= 0) {
1220 		DRM_ERROR("radeon: writting more dword to ring than expected !\n");
1221 	}
1222 #endif
1223 	rdev->cp.ring[rdev->cp.wptr++] = v;
1224 	rdev->cp.wptr &= rdev->cp.ptr_mask;
1225 	rdev->cp.count_dw--;
1226 	rdev->cp.ring_free_dw--;
1227 }
1228 
1229 
1230 /*
1231  * ASICs macro.
1232  */
1233 #define radeon_init(rdev) (rdev)->asic->init((rdev))
1234 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
1235 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
1236 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
1237 #define radeon_cs_parse(p) rdev->asic->cs_parse((p))
1238 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
1239 #define radeon_gpu_is_lockup(rdev) (rdev)->asic->gpu_is_lockup((rdev))
1240 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
1241 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart_tlb_flush((rdev))
1242 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart_set_page((rdev), (i), (p))
1243 #define radeon_cp_commit(rdev) (rdev)->asic->cp_commit((rdev))
1244 #define radeon_ring_start(rdev) (rdev)->asic->ring_start((rdev))
1245 #define radeon_ring_test(rdev) (rdev)->asic->ring_test((rdev))
1246 #define radeon_ring_ib_execute(rdev, ib) (rdev)->asic->ring_ib_execute((rdev), (ib))
1247 #define radeon_irq_set(rdev) (rdev)->asic->irq_set((rdev))
1248 #define radeon_irq_process(rdev) (rdev)->asic->irq_process((rdev))
1249 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->get_vblank_counter((rdev), (crtc))
1250 #define radeon_fence_ring_emit(rdev, fence) (rdev)->asic->fence_ring_emit((rdev), (fence))
1251 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy_blit((rdev), (s), (d), (np), (f))
1252 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy_dma((rdev), (s), (d), (np), (f))
1253 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy((rdev), (s), (d), (np), (f))
1254 #define radeon_get_engine_clock(rdev) (rdev)->asic->get_engine_clock((rdev))
1255 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->set_engine_clock((rdev), (e))
1256 #define radeon_get_memory_clock(rdev) (rdev)->asic->get_memory_clock((rdev))
1257 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->set_memory_clock((rdev), (e))
1258 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->get_pcie_lanes((rdev))
1259 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->set_pcie_lanes((rdev), (l))
1260 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->set_clock_gating((rdev), (e))
1261 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->set_surface_reg((rdev), (r), (f), (p), (o), (s)))
1262 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->clear_surface_reg((rdev), (r)))
1263 #define radeon_bandwidth_update(rdev) (rdev)->asic->bandwidth_update((rdev))
1264 #define radeon_hpd_init(rdev) (rdev)->asic->hpd_init((rdev))
1265 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd_fini((rdev))
1266 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
1267 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
1268 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
1269 #define radeon_pm_misc(rdev) (rdev)->asic->pm_misc((rdev))
1270 #define radeon_pm_prepare(rdev) (rdev)->asic->pm_prepare((rdev))
1271 #define radeon_pm_finish(rdev) (rdev)->asic->pm_finish((rdev))
1272 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm_init_profile((rdev))
1273 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm_get_dynpm_state((rdev))
1274 
1275 /* Common functions */
1276 /* AGP */
1277 extern int radeon_gpu_reset(struct radeon_device *rdev);
1278 extern void radeon_agp_disable(struct radeon_device *rdev);
1279 extern int radeon_gart_table_vram_pin(struct radeon_device *rdev);
1280 extern void radeon_gart_restore(struct radeon_device *rdev);
1281 extern int radeon_modeset_init(struct radeon_device *rdev);
1282 extern void radeon_modeset_fini(struct radeon_device *rdev);
1283 extern bool radeon_card_posted(struct radeon_device *rdev);
1284 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
1285 extern void radeon_update_display_priority(struct radeon_device *rdev);
1286 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
1287 extern int radeon_clocks_init(struct radeon_device *rdev);
1288 extern void radeon_clocks_fini(struct radeon_device *rdev);
1289 extern void radeon_scratch_init(struct radeon_device *rdev);
1290 extern void radeon_surface_init(struct radeon_device *rdev);
1291 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
1292 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
1293 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
1294 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
1295 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
1296 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
1297 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
1298 extern int radeon_resume_kms(struct drm_device *dev);
1299 extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
1300 
1301 /* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
1302 extern void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp);
1303 extern bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_cp *cp);
1304 
1305 /* rv200,rv250,rv280 */
1306 extern void r200_set_safe_registers(struct radeon_device *rdev);
1307 
1308 /* r300,r350,rv350,rv370,rv380 */
1309 extern void r300_set_reg_safe(struct radeon_device *rdev);
1310 extern void r300_mc_program(struct radeon_device *rdev);
1311 extern void r300_mc_init(struct radeon_device *rdev);
1312 extern void r300_clock_startup(struct radeon_device *rdev);
1313 extern int r300_mc_wait_for_idle(struct radeon_device *rdev);
1314 extern int rv370_pcie_gart_init(struct radeon_device *rdev);
1315 extern void rv370_pcie_gart_fini(struct radeon_device *rdev);
1316 extern int rv370_pcie_gart_enable(struct radeon_device *rdev);
1317 extern void rv370_pcie_gart_disable(struct radeon_device *rdev);
1318 
1319 /* r420,r423,rv410 */
1320 extern u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg);
1321 extern void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
1322 extern int r420_debugfs_pipes_info_init(struct radeon_device *rdev);
1323 extern void r420_pipes_init(struct radeon_device *rdev);
1324 
1325 /* rv515 */
1326 struct rv515_mc_save {
1327 	u32 d1vga_control;
1328 	u32 d2vga_control;
1329 	u32 vga_render_control;
1330 	u32 vga_hdp_control;
1331 	u32 d1crtc_control;
1332 	u32 d2crtc_control;
1333 };
1334 extern void rv515_bandwidth_avivo_update(struct radeon_device *rdev);
1335 extern void rv515_vga_render_disable(struct radeon_device *rdev);
1336 extern void rv515_set_safe_registers(struct radeon_device *rdev);
1337 extern void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save);
1338 extern void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save);
1339 extern void rv515_clock_startup(struct radeon_device *rdev);
1340 extern void rv515_debugfs(struct radeon_device *rdev);
1341 extern int rv515_suspend(struct radeon_device *rdev);
1342 
1343 /* rs400 */
1344 extern int rs400_gart_init(struct radeon_device *rdev);
1345 extern int rs400_gart_enable(struct radeon_device *rdev);
1346 extern void rs400_gart_adjust_size(struct radeon_device *rdev);
1347 extern void rs400_gart_disable(struct radeon_device *rdev);
1348 extern void rs400_gart_fini(struct radeon_device *rdev);
1349 
1350 /* rs600 */
1351 extern void rs600_set_safe_registers(struct radeon_device *rdev);
1352 extern int rs600_irq_set(struct radeon_device *rdev);
1353 extern void rs600_irq_disable(struct radeon_device *rdev);
1354 
1355 /* rs690, rs740 */
1356 extern void rs690_line_buffer_adjust(struct radeon_device *rdev,
1357 					struct drm_display_mode *mode1,
1358 					struct drm_display_mode *mode2);
1359 
1360 /* r600, rv610, rv630, rv620, rv635, rv670, rs780, rs880 */
1361 extern void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
1362 extern bool r600_card_posted(struct radeon_device *rdev);
1363 extern void r600_cp_stop(struct radeon_device *rdev);
1364 extern int r600_cp_start(struct radeon_device *rdev);
1365 extern void r600_ring_init(struct radeon_device *rdev, unsigned ring_size);
1366 extern int r600_cp_resume(struct radeon_device *rdev);
1367 extern void r600_cp_fini(struct radeon_device *rdev);
1368 extern int r600_count_pipe_bits(uint32_t val);
1369 extern int r600_mc_wait_for_idle(struct radeon_device *rdev);
1370 extern int r600_pcie_gart_init(struct radeon_device *rdev);
1371 extern void r600_pcie_gart_tlb_flush(struct radeon_device *rdev);
1372 extern int r600_ib_test(struct radeon_device *rdev);
1373 extern int r600_ring_test(struct radeon_device *rdev);
1374 extern void r600_wb_fini(struct radeon_device *rdev);
1375 extern int r600_wb_enable(struct radeon_device *rdev);
1376 extern void r600_wb_disable(struct radeon_device *rdev);
1377 extern void r600_scratch_init(struct radeon_device *rdev);
1378 extern int r600_blit_init(struct radeon_device *rdev);
1379 extern void r600_blit_fini(struct radeon_device *rdev);
1380 extern int r600_init_microcode(struct radeon_device *rdev);
1381 extern int r600_asic_reset(struct radeon_device *rdev);
1382 /* r600 irq */
1383 extern int r600_irq_init(struct radeon_device *rdev);
1384 extern void r600_irq_fini(struct radeon_device *rdev);
1385 extern void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size);
1386 extern int r600_irq_set(struct radeon_device *rdev);
1387 extern void r600_irq_suspend(struct radeon_device *rdev);
1388 extern void r600_disable_interrupts(struct radeon_device *rdev);
1389 extern void r600_rlc_stop(struct radeon_device *rdev);
1390 /* r600 audio */
1391 extern int r600_audio_init(struct radeon_device *rdev);
1392 extern int r600_audio_tmds_index(struct drm_encoder *encoder);
1393 extern void r600_audio_set_clock(struct drm_encoder *encoder, int clock);
1394 extern int r600_audio_channels(struct radeon_device *rdev);
1395 extern int r600_audio_bits_per_sample(struct radeon_device *rdev);
1396 extern int r600_audio_rate(struct radeon_device *rdev);
1397 extern uint8_t r600_audio_status_bits(struct radeon_device *rdev);
1398 extern uint8_t r600_audio_category_code(struct radeon_device *rdev);
1399 extern void r600_audio_schedule_polling(struct radeon_device *rdev);
1400 extern void r600_audio_enable_polling(struct drm_encoder *encoder);
1401 extern void r600_audio_disable_polling(struct drm_encoder *encoder);
1402 extern void r600_audio_fini(struct radeon_device *rdev);
1403 extern void r600_hdmi_init(struct drm_encoder *encoder);
1404 extern void r600_hdmi_enable(struct drm_encoder *encoder);
1405 extern void r600_hdmi_disable(struct drm_encoder *encoder);
1406 extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
1407 extern int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder);
1408 extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder);
1409 
1410 extern void r700_cp_stop(struct radeon_device *rdev);
1411 extern void r700_cp_fini(struct radeon_device *rdev);
1412 extern void evergreen_disable_interrupt_state(struct radeon_device *rdev);
1413 extern int evergreen_irq_set(struct radeon_device *rdev);
1414 
1415 /* evergreen */
1416 struct evergreen_mc_save {
1417 	u32 vga_control[6];
1418 	u32 vga_render_control;
1419 	u32 vga_hdp_control;
1420 	u32 crtc_control[6];
1421 };
1422 
1423 #include "radeon_object.h"
1424 
1425 #endif
1426