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      1 /*	$NetBSD: radeon.h,v 1.12 2024/04/16 14:34:02 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2008 Advanced Micro Devices, Inc.
      5  * Copyright 2008 Red Hat Inc.
      6  * Copyright 2009 Jerome Glisse.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the "Software"),
     10  * to deal in the Software without restriction, including without limitation
     11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12  * and/or sell copies of the Software, and to permit persons to whom the
     13  * Software is furnished to do so, subject to the following conditions:
     14  *
     15  * The above copyright notice and this permission notice shall be included in
     16  * all copies or substantial portions of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     21  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  * OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * Authors: Dave Airlie
     27  *          Alex Deucher
     28  *          Jerome Glisse
     29  */
     30 #ifndef __RADEON_H__
     31 #define __RADEON_H__
     32 
     33 /* TODO: Here are things that needs to be done :
     34  *	- surface allocator & initializer : (bit like scratch reg) should
     35  *	  initialize HDP_ stuff on RS600, R600, R700 hw, well anythings
     36  *	  related to surface
     37  *	- WB : write back stuff (do it bit like scratch reg things)
     38  *	- Vblank : look at Jesse's rework and what we should do
     39  *	- r600/r700: gart & cp
     40  *	- cs : clean cs ioctl use bitmap & things like that.
     41  *	- power management stuff
     42  *	- Barrier in gart code
     43  *	- Unmappabled vram ?
     44  *	- TESTING, TESTING, TESTING
     45  */
     46 
     47 /* Initialization path:
     48  *  We expect that acceleration initialization might fail for various
     49  *  reasons even thought we work hard to make it works on most
     50  *  configurations. In order to still have a working userspace in such
     51  *  situation the init path must succeed up to the memory controller
     52  *  initialization point. Failure before this point are considered as
     53  *  fatal error. Here is the init callchain :
     54  *      radeon_device_init  perform common structure, mutex initialization
     55  *      asic_init           setup the GPU memory layout and perform all
     56  *                          one time initialization (failure in this
     57  *                          function are considered fatal)
     58  *      asic_startup        setup the GPU acceleration, in order to
     59  *                          follow guideline the first thing this
     60  *                          function should do is setting the GPU
     61  *                          memory controller (only MC setup failure
     62  *                          are considered as fatal)
     63  */
     64 
     65 #include <linux/atomic.h>
     66 #include <linux/wait.h>
     67 #include <linux/list.h>
     68 #include <linux/kref.h>
     69 #include <linux/interval_tree.h>
     70 #include <linux/hashtable.h>
     71 #include <linux/dma-fence.h>
     72 #include <linux/acpi.h>
     73 
     74 #ifdef CONFIG_MMU_NOTIFIER
     75 #include <linux/mmu_notifier.h>
     76 #endif
     77 
     78 #include <drm/ttm/ttm_bo_api.h>
     79 #include <drm/ttm/ttm_bo_driver.h>
     80 #include <drm/ttm/ttm_placement.h>
     81 #include <drm/ttm/ttm_module.h>
     82 #include <drm/ttm/ttm_execbuf_util.h>
     83 
     84 #include <drm/drm_gem.h>
     85 
     86 #include "radeon_family.h"
     87 #include "radeon_mode.h"
     88 #include "radeon_reg.h"
     89 
     90 /*
     91  * Modules parameters.
     92  */
     93 extern int radeon_no_wb;
     94 extern int radeon_modeset;
     95 extern int radeon_dynclks;
     96 extern int radeon_r4xx_atom;
     97 extern int radeon_agpmode;
     98 extern int radeon_vram_limit;
     99 extern int radeon_gart_size;
    100 extern int radeon_benchmarking;
    101 extern int radeon_testing;
    102 extern int radeon_connector_table;
    103 extern int radeon_tv;
    104 extern int radeon_audio;
    105 extern int radeon_disp_priority;
    106 extern int radeon_hw_i2c;
    107 extern int radeon_pcie_gen2;
    108 extern int radeon_msi;
    109 extern int radeon_lockup_timeout;
    110 extern int radeon_fastfb;
    111 extern int radeon_dpm;
    112 extern int radeon_aspm;
    113 extern int radeon_runtime_pm;
    114 extern int radeon_hard_reset;
    115 extern int radeon_vm_size;
    116 extern int radeon_vm_block_size;
    117 extern int radeon_deep_color;
    118 extern int radeon_use_pflipirq;
    119 extern int radeon_bapm;
    120 extern int radeon_backlight;
    121 extern int radeon_auxch;
    122 extern int radeon_mst;
    123 extern int radeon_uvd;
    124 extern int radeon_vce;
    125 extern int radeon_si_support;
    126 extern int radeon_cik_support;
    127 
    128 /*
    129  * Copy from radeon_drv.h so we don't have to include both and have conflicting
    130  * symbol;
    131  */
    132 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
    133 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
    134 #define RADEON_USEC_IB_TEST_TIMEOUT		1000000 /* 1s */
    135 /* RADEON_IB_POOL_SIZE must be a power of 2 */
    136 #define RADEON_IB_POOL_SIZE			16
    137 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
    138 #define RADEONFB_CONN_LIMIT			4
    139 #define RADEON_BIOS_NUM_SCRATCH			8
    140 
    141 /* internal ring indices */
    142 /* r1xx+ has gfx CP ring */
    143 #define RADEON_RING_TYPE_GFX_INDEX		0
    144 
    145 /* cayman has 2 compute CP rings */
    146 #define CAYMAN_RING_TYPE_CP1_INDEX		1
    147 #define CAYMAN_RING_TYPE_CP2_INDEX		2
    148 
    149 /* R600+ has an async dma ring */
    150 #define R600_RING_TYPE_DMA_INDEX		3
    151 /* cayman add a second async dma ring */
    152 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
    153 
    154 /* R600+ */
    155 #define R600_RING_TYPE_UVD_INDEX		5
    156 
    157 /* TN+ */
    158 #define TN_RING_TYPE_VCE1_INDEX			6
    159 #define TN_RING_TYPE_VCE2_INDEX			7
    160 
    161 /* max number of rings */
    162 #define RADEON_NUM_RINGS			8
    163 
    164 /* number of hw syncs before falling back on blocking */
    165 #define RADEON_NUM_SYNCS			4
    166 
    167 /* hardcode those limit for now */
    168 #define RADEON_VA_IB_OFFSET			(1 << 20)
    169 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
    170 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
    171 
    172 /* hard reset data */
    173 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
    174 
    175 /* reset flags */
    176 #define RADEON_RESET_GFX			(1 << 0)
    177 #define RADEON_RESET_COMPUTE			(1 << 1)
    178 #define RADEON_RESET_DMA			(1 << 2)
    179 #define RADEON_RESET_CP				(1 << 3)
    180 #define RADEON_RESET_GRBM			(1 << 4)
    181 #define RADEON_RESET_DMA1			(1 << 5)
    182 #define RADEON_RESET_RLC			(1 << 6)
    183 #define RADEON_RESET_SEM			(1 << 7)
    184 #define RADEON_RESET_IH				(1 << 8)
    185 #define RADEON_RESET_VMC			(1 << 9)
    186 #define RADEON_RESET_MC				(1 << 10)
    187 #define RADEON_RESET_DISPLAY			(1 << 11)
    188 
    189 /* CG block flags */
    190 #define RADEON_CG_BLOCK_GFX			(1 << 0)
    191 #define RADEON_CG_BLOCK_MC			(1 << 1)
    192 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
    193 #define RADEON_CG_BLOCK_UVD			(1 << 3)
    194 #define RADEON_CG_BLOCK_VCE			(1 << 4)
    195 #define RADEON_CG_BLOCK_HDP			(1 << 5)
    196 #define RADEON_CG_BLOCK_BIF			(1 << 6)
    197 
    198 /* CG flags */
    199 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
    200 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
    201 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
    202 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
    203 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
    204 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
    205 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
    206 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
    207 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
    208 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
    209 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
    210 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
    211 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
    212 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
    213 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
    214 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
    215 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
    216 
    217 /* PG flags */
    218 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
    219 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
    220 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
    221 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
    222 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
    223 #define RADEON_PG_SUPPORT_CP			(1 << 5)
    224 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
    225 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
    226 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
    227 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
    228 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
    229 
    230 /* max cursor sizes (in pixels) */
    231 #define CURSOR_WIDTH 64
    232 #define CURSOR_HEIGHT 64
    233 
    234 #define CIK_CURSOR_WIDTH 128
    235 #define CIK_CURSOR_HEIGHT 128
    236 
    237 /*
    238  * Errata workarounds.
    239  */
    240 enum radeon_pll_errata {
    241 	CHIP_ERRATA_R300_CG             = 0x00000001,
    242 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
    243 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
    244 };
    245 
    246 
    247 struct radeon_device;
    248 
    249 #ifdef __NetBSD__
    250 extern struct radeon_device *radeon_device_private(device_t);
    251 #endif
    252 
    253 /*
    254  * BIOS.
    255  */
    256 bool radeon_get_bios(struct radeon_device *rdev);
    257 
    258 /*
    259  * Dummy page
    260  */
    261 struct radeon_dummy_page {
    262 	uint64_t	entry;
    263 #ifdef __NetBSD__
    264 	bus_dma_segment_t	rdp_seg;
    265 	bus_dmamap_t		rdp_map;
    266 	void		*rdp_addr;
    267 #else
    268 	struct page	*page;
    269 #endif
    270 	dma_addr_t	addr;
    271 };
    272 int radeon_dummy_page_init(struct radeon_device *rdev);
    273 void radeon_dummy_page_fini(struct radeon_device *rdev);
    274 
    275 
    276 /*
    277  * Clocks
    278  */
    279 struct radeon_clock {
    280 	struct radeon_pll p1pll;
    281 	struct radeon_pll p2pll;
    282 	struct radeon_pll dcpll;
    283 	struct radeon_pll spll;
    284 	struct radeon_pll mpll;
    285 	/* 10 Khz units */
    286 	uint32_t default_mclk;
    287 	uint32_t default_sclk;
    288 	uint32_t default_dispclk;
    289 	uint32_t current_dispclk;
    290 	uint32_t dp_extclk;
    291 	uint32_t max_pixel_clock;
    292 	uint32_t vco_freq;
    293 };
    294 
    295 /*
    296  * Power management
    297  */
    298 int radeon_pm_init(struct radeon_device *rdev);
    299 int radeon_pm_late_init(struct radeon_device *rdev);
    300 void radeon_pm_fini(struct radeon_device *rdev);
    301 void radeon_pm_compute_clocks(struct radeon_device *rdev);
    302 void radeon_pm_suspend(struct radeon_device *rdev);
    303 void radeon_pm_resume(struct radeon_device *rdev);
    304 void radeon_combios_get_power_modes(struct radeon_device *rdev);
    305 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
    306 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
    307 				   u8 clock_type,
    308 				   u32 clock,
    309 				   bool strobe_mode,
    310 				   struct atom_clock_dividers *dividers);
    311 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
    312 					u32 clock,
    313 					bool strobe_mode,
    314 					struct atom_mpll_param *mpll_param);
    315 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
    316 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
    317 					  u16 voltage_level, u8 voltage_type,
    318 					  u32 *gpio_value, u32 *gpio_mask);
    319 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
    320 					 u32 eng_clock, u32 mem_clock);
    321 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
    322 				 u8 voltage_type, u16 *voltage_step);
    323 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
    324 			     u16 voltage_id, u16 *voltage);
    325 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
    326 						      u16 *voltage,
    327 						      u16 leakage_idx);
    328 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
    329 					  u16 *leakage_id);
    330 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
    331 							 u16 *vddc, u16 *vddci,
    332 							 u16 virtual_voltage_id,
    333 							 u16 vbios_voltage_id);
    334 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
    335 				u16 virtual_voltage_id,
    336 				u16 *voltage);
    337 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
    338 				      u8 voltage_type,
    339 				      u16 nominal_voltage,
    340 				      u16 *true_voltage);
    341 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
    342 				u8 voltage_type, u16 *min_voltage);
    343 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
    344 				u8 voltage_type, u16 *max_voltage);
    345 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
    346 				  u8 voltage_type, u8 voltage_mode,
    347 				  struct atom_voltage_table *voltage_table);
    348 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
    349 				 u8 voltage_type, u8 voltage_mode);
    350 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
    351 			      u8 voltage_type,
    352 			      u8 *svd_gpio_id, u8 *svc_gpio_id);
    353 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
    354 				   u32 mem_clock);
    355 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
    356 			       u32 mem_clock);
    357 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
    358 				  u8 module_index,
    359 				  struct atom_mc_reg_table *reg_table);
    360 int radeon_atom_get_memory_info(struct radeon_device *rdev,
    361 				u8 module_index, struct atom_memory_info *mem_info);
    362 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
    363 				     bool gddr5, u8 module_index,
    364 				     struct atom_memory_clock_range_table *mclk_range_table);
    365 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
    366 			     u16 voltage_id, u16 *voltage);
    367 void rs690_pm_info(struct radeon_device *rdev);
    368 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
    369 				    unsigned *bankh, unsigned *mtaspect,
    370 				    unsigned *tile_split);
    371 
    372 /*
    373  * Fences.
    374  */
    375 struct radeon_fence_driver {
    376 	struct radeon_device		*rdev;
    377 	uint32_t			scratch_reg;
    378 	uint64_t			gpu_addr;
    379 	volatile uint32_t		*cpu_addr;
    380 	/* sync_seq is protected by ring emission lock */
    381 	uint64_t			sync_seq[RADEON_NUM_RINGS];
    382 	atomic64_t			last_seq;
    383 	bool				initialized, delayed_irq;
    384 	struct delayed_work		lockup_work;
    385 };
    386 
    387 struct radeon_fence {
    388 	struct dma_fence		base;
    389 
    390 	struct radeon_device	*rdev;
    391 	uint64_t		seq;
    392 	/* RB, DMA, etc. */
    393 	unsigned		ring;
    394 	bool			is_vm_update;
    395 
    396 	TAILQ_ENTRY(radeon_fence)	fence_check;
    397 };
    398 
    399 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
    400 int radeon_fence_driver_init(struct radeon_device *rdev);
    401 void radeon_fence_driver_fini(struct radeon_device *rdev);
    402 void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring);
    403 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
    404 void radeon_fence_wakeup_locked(struct radeon_device *rdev);
    405 void radeon_fence_process(struct radeon_device *rdev, int ring);
    406 bool radeon_fence_signaled(struct radeon_fence *fence);
    407 long radeon_fence_wait_timeout(struct radeon_fence *fence, bool interruptible, long timeout);
    408 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
    409 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
    410 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
    411 int radeon_fence_wait_any(struct radeon_device *rdev,
    412 			  struct radeon_fence **fences,
    413 			  bool intr);
    414 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
    415 void radeon_fence_unref(struct radeon_fence **fence);
    416 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
    417 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
    418 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
    419 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
    420 						      struct radeon_fence *b)
    421 {
    422 	if (!a) {
    423 		return b;
    424 	}
    425 
    426 	if (!b) {
    427 		return a;
    428 	}
    429 
    430 	BUG_ON(a->ring != b->ring);
    431 
    432 	if (a->seq > b->seq) {
    433 		return a;
    434 	} else {
    435 		return b;
    436 	}
    437 }
    438 
    439 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
    440 					   struct radeon_fence *b)
    441 {
    442 	if (!a) {
    443 		return false;
    444 	}
    445 
    446 	if (!b) {
    447 		return true;
    448 	}
    449 
    450 	BUG_ON(a->ring != b->ring);
    451 
    452 	return a->seq < b->seq;
    453 }
    454 
    455 /*
    456  * Tiling registers
    457  */
    458 struct radeon_surface_reg {
    459 	struct radeon_bo *bo;
    460 };
    461 
    462 #define RADEON_GEM_MAX_SURFACES 8
    463 
    464 /*
    465  * TTM.
    466  */
    467 struct radeon_mman {
    468 	struct ttm_bo_device		bdev;
    469 	bool				initialized;
    470 
    471 #if defined(CONFIG_DEBUG_FS)
    472 	struct dentry			*vram;
    473 	struct dentry			*gtt;
    474 #endif
    475 };
    476 
    477 struct radeon_bo_list {
    478 	struct radeon_bo		*robj;
    479 	struct ttm_validate_buffer	tv;
    480 	uint64_t			gpu_offset;
    481 	unsigned			preferred_domains;
    482 	unsigned			allowed_domains;
    483 	uint32_t			tiling_flags;
    484 };
    485 
    486 /* bo virtual address in a specific vm */
    487 struct radeon_bo_va {
    488 	/* protected by bo being reserved */
    489 	struct list_head		bo_list;
    490 	uint32_t			flags;
    491 	struct radeon_fence		*last_pt_update;
    492 	unsigned			ref_count;
    493 
    494 	/* protected by vm mutex */
    495 	struct interval_tree_node	it;
    496 	struct list_head		vm_status;
    497 
    498 	/* constant after initialization */
    499 	struct radeon_vm		*vm;
    500 	struct radeon_bo		*bo;
    501 };
    502 
    503 struct radeon_bo {
    504 	/* Protected by gem.mutex */
    505 	struct list_head		list;
    506 	/* Protected by tbo.reserved */
    507 	u32				initial_domain;
    508 	struct ttm_place		placements[4];
    509 	struct ttm_placement		placement;
    510 	struct ttm_buffer_object	tbo;
    511 	struct ttm_bo_kmap_obj		kmap;
    512 	u32				flags;
    513 	unsigned			pin_count;
    514 	void				*kptr;
    515 	u32				tiling_flags;
    516 	u32				pitch;
    517 	int				surface_reg;
    518 	unsigned			prime_shared_count;
    519 	/* list of all virtual address to which this bo
    520 	 * is associated to
    521 	 */
    522 	struct list_head		va;
    523 	/* Constant after initialization */
    524 	struct radeon_device		*rdev;
    525 
    526 	struct ttm_bo_kmap_obj		dma_buf_vmap;
    527 #ifndef __NetBSD__		/* XXX pid???  */
    528 	pid_t				pid;
    529 #endif
    530 
    531 #ifdef CONFIG_MMU_NOTIFIER
    532 	struct mmu_interval_notifier	notifier;
    533 #endif
    534 };
    535 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, tbo.base)
    536 
    537 int radeon_gem_debugfs_init(struct radeon_device *rdev);
    538 
    539 /* sub-allocation manager, it has to be protected by another lock.
    540  * By conception this is an helper for other part of the driver
    541  * like the indirect buffer or semaphore, which both have their
    542  * locking.
    543  *
    544  * Principe is simple, we keep a list of sub allocation in offset
    545  * order (first entry has offset == 0, last entry has the highest
    546  * offset).
    547  *
    548  * When allocating new object we first check if there is room at
    549  * the end total_size - (last_object_offset + last_object_size) >=
    550  * alloc_size. If so we allocate new object there.
    551  *
    552  * When there is not enough room at the end, we start waiting for
    553  * each sub object until we reach object_offset+object_size >=
    554  * alloc_size, this object then become the sub object we return.
    555  *
    556  * Alignment can't be bigger than page size.
    557  *
    558  * Hole are not considered for allocation to keep things simple.
    559  * Assumption is that there won't be hole (all object on same
    560  * alignment).
    561  */
    562 struct radeon_sa_manager {
    563 #ifdef __NetBSD__
    564 	spinlock_t		wq_lock;
    565 	drm_waitqueue_t		wq;
    566 #else
    567 	wait_queue_head_t	wq;
    568 #endif
    569 	struct radeon_bo	*bo;
    570 	struct list_head	*hole;
    571 	struct list_head	flist[RADEON_NUM_RINGS];
    572 	struct list_head	olist;
    573 	unsigned		size;
    574 	uint64_t		gpu_addr;
    575 	void			*cpu_ptr;
    576 	uint32_t		domain;
    577 	uint32_t		align;
    578 };
    579 
    580 struct radeon_sa_bo;
    581 
    582 /* sub-allocation buffer */
    583 struct radeon_sa_bo {
    584 	struct list_head		olist;
    585 	struct list_head		flist;
    586 	struct radeon_sa_manager	*manager;
    587 	unsigned			soffset;
    588 	unsigned			eoffset;
    589 	struct radeon_fence		*fence;
    590 };
    591 
    592 /*
    593  * GEM objects.
    594  */
    595 struct radeon_gem {
    596 	struct mutex		mutex;
    597 	struct list_head	objects;
    598 };
    599 
    600 int radeon_gem_init(struct radeon_device *rdev);
    601 void radeon_gem_fini(struct radeon_device *rdev);
    602 int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
    603 				int alignment, int initial_domain,
    604 				u32 flags, bool kernel,
    605 				struct drm_gem_object **obj);
    606 
    607 int radeon_mode_dumb_create(struct drm_file *file_priv,
    608 			    struct drm_device *dev,
    609 			    struct drm_mode_create_dumb *args);
    610 int radeon_mode_dumb_mmap(struct drm_file *filp,
    611 			  struct drm_device *dev,
    612 			  uint32_t handle, uint64_t *offset_p);
    613 
    614 /*
    615  * Semaphores.
    616  */
    617 struct radeon_semaphore {
    618 	struct radeon_sa_bo	*sa_bo;
    619 	signed			waiters;
    620 	uint64_t		gpu_addr;
    621 };
    622 
    623 int radeon_semaphore_create(struct radeon_device *rdev,
    624 			    struct radeon_semaphore **semaphore);
    625 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
    626 				  struct radeon_semaphore *semaphore);
    627 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
    628 				struct radeon_semaphore *semaphore);
    629 void radeon_semaphore_free(struct radeon_device *rdev,
    630 			   struct radeon_semaphore **semaphore,
    631 			   struct radeon_fence *fence);
    632 
    633 /*
    634  * Synchronization
    635  */
    636 struct radeon_sync {
    637 	struct radeon_semaphore *semaphores[RADEON_NUM_SYNCS];
    638 	struct radeon_fence	*sync_to[RADEON_NUM_RINGS];
    639 	struct radeon_fence	*last_vm_update;
    640 };
    641 
    642 void radeon_sync_create(struct radeon_sync *sync);
    643 void radeon_sync_fence(struct radeon_sync *sync,
    644 		       struct radeon_fence *fence);
    645 int radeon_sync_resv(struct radeon_device *rdev,
    646 		     struct radeon_sync *sync,
    647 		     struct dma_resv *resv,
    648 		     bool shared);
    649 int radeon_sync_rings(struct radeon_device *rdev,
    650 		      struct radeon_sync *sync,
    651 		      int waiting_ring);
    652 void radeon_sync_free(struct radeon_device *rdev, struct radeon_sync *sync,
    653 		      struct radeon_fence *fence);
    654 
    655 /*
    656  * GART structures, functions & helpers
    657  */
    658 struct radeon_mc;
    659 
    660 #define RADEON_GPU_PAGE_SIZE 4096
    661 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
    662 #define RADEON_GPU_PAGE_SHIFT 12
    663 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
    664 
    665 #define RADEON_GART_PAGE_DUMMY  0
    666 #define RADEON_GART_PAGE_VALID	(1 << 0)
    667 #define RADEON_GART_PAGE_READ	(1 << 1)
    668 #define RADEON_GART_PAGE_WRITE	(1 << 2)
    669 #define RADEON_GART_PAGE_SNOOP	(1 << 3)
    670 
    671 struct radeon_gart {
    672 #ifdef __NetBSD__
    673 	bus_dma_segment_t		rg_table_seg;
    674 	bus_dmamap_t			rg_table_map;
    675 #endif
    676 	dma_addr_t			table_addr;
    677 	struct radeon_bo		*robj;
    678 	void				*ptr;
    679 	unsigned			num_gpu_pages;
    680 	unsigned			num_cpu_pages;
    681 	unsigned			table_size;
    682 	struct page			**pages;
    683 	uint64_t			*pages_entry;
    684 	bool				ready;
    685 };
    686 
    687 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
    688 void radeon_gart_table_ram_free(struct radeon_device *rdev);
    689 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
    690 void radeon_gart_table_vram_free(struct radeon_device *rdev);
    691 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
    692 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
    693 int radeon_gart_init(struct radeon_device *rdev);
    694 void radeon_gart_fini(struct radeon_device *rdev);
    695 #ifdef __NetBSD__
    696 void radeon_gart_unbind(struct radeon_device *rdev, unsigned gpu_start,
    697 			unsigned npages);
    698 int radeon_gart_bind(struct radeon_device *rdev, unsigned gpu_start,
    699 		     unsigned npages, struct page **pages,
    700 		     bus_dmamap_t dmamap, uint32_t flags);
    701 #else
    702 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
    703 			int pages);
    704 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
    705 		     int pages, struct page **pagelist,
    706 		     dma_addr_t *dma_addr, uint32_t flags);
    707 #endif
    708 
    709 
    710 /*
    711  * GPU MC structures, functions & helpers
    712  */
    713 struct radeon_mc {
    714 	resource_size_t		aper_size;
    715 	resource_size_t		aper_base;
    716 	resource_size_t		agp_base;
    717 	/* for some chips with <= 32MB we need to lie
    718 	 * about vram size near mc fb location */
    719 	u64			mc_vram_size;
    720 	u64			visible_vram_size;
    721 	u64			gtt_size;
    722 	u64			gtt_start;
    723 	u64			gtt_end;
    724 	u64			vram_start;
    725 	u64			vram_end;
    726 	unsigned		vram_width;
    727 	u64			real_vram_size;
    728 	int			vram_mtrr;
    729 	bool			vram_is_ddr;
    730 	bool			igp_sideport_enabled;
    731 	u64                     gtt_base_align;
    732 	u64                     mc_mask;
    733 };
    734 
    735 bool radeon_combios_sideport_present(struct radeon_device *rdev);
    736 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
    737 
    738 /*
    739  * GPU scratch registers structures, functions & helpers
    740  */
    741 struct radeon_scratch {
    742 	unsigned		num_reg;
    743 	uint32_t                reg_base;
    744 	bool			free[32];
    745 	uint32_t		reg[32];
    746 };
    747 
    748 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
    749 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
    750 
    751 /*
    752  * GPU doorbell structures, functions & helpers
    753  */
    754 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
    755 
    756 struct radeon_doorbell {
    757 	/* doorbell mmio */
    758 	resource_size_t		base;
    759 	resource_size_t		size;
    760 #ifdef __NetBSD__
    761 	bus_space_tag_t		bst;
    762 	bus_space_handle_t	bsh;
    763 #else
    764 	u32 __iomem		*ptr;
    765 #endif
    766 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
    767 	DECLARE_BITMAP(used, RADEON_MAX_DOORBELLS);
    768 };
    769 
    770 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
    771 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
    772 
    773 /*
    774  * IRQS.
    775  */
    776 
    777 struct radeon_flip_work {
    778 	struct work_struct		flip_work;
    779 	struct work_struct		unpin_work;
    780 	struct radeon_device		*rdev;
    781 	int				crtc_id;
    782 	u32				target_vblank;
    783 	uint64_t			base;
    784 	struct drm_pending_vblank_event *event;
    785 	struct radeon_bo		*old_rbo;
    786 	struct dma_fence		*fence;
    787 	bool				async;
    788 };
    789 
    790 struct r500_irq_stat_regs {
    791 	u32 disp_int;
    792 	u32 hdmi0_status;
    793 };
    794 
    795 struct r600_irq_stat_regs {
    796 	u32 disp_int;
    797 	u32 disp_int_cont;
    798 	u32 disp_int_cont2;
    799 	u32 d1grph_int;
    800 	u32 d2grph_int;
    801 	u32 hdmi0_status;
    802 	u32 hdmi1_status;
    803 };
    804 
    805 struct evergreen_irq_stat_regs {
    806 	u32 disp_int[6];
    807 	u32 grph_int[6];
    808 	u32 afmt_status[6];
    809 };
    810 
    811 struct cik_irq_stat_regs {
    812 	u32 disp_int;
    813 	u32 disp_int_cont;
    814 	u32 disp_int_cont2;
    815 	u32 disp_int_cont3;
    816 	u32 disp_int_cont4;
    817 	u32 disp_int_cont5;
    818 	u32 disp_int_cont6;
    819 	u32 d1grph_int;
    820 	u32 d2grph_int;
    821 	u32 d3grph_int;
    822 	u32 d4grph_int;
    823 	u32 d5grph_int;
    824 	u32 d6grph_int;
    825 };
    826 
    827 union radeon_irq_stat_regs {
    828 	struct r500_irq_stat_regs r500;
    829 	struct r600_irq_stat_regs r600;
    830 	struct evergreen_irq_stat_regs evergreen;
    831 	struct cik_irq_stat_regs cik;
    832 };
    833 
    834 struct radeon_irq {
    835 	bool				installed;
    836 	spinlock_t			lock;
    837 	atomic_t			ring_int[RADEON_NUM_RINGS];
    838 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
    839 	atomic_t			pflip[RADEON_MAX_CRTCS];
    840 #ifdef __NetBSD__
    841 	spinlock_t			vblank_lock;
    842 	drm_waitqueue_t			vblank_queue;
    843 #else
    844 	wait_queue_head_t		vblank_queue;
    845 #endif
    846 	bool				hpd[RADEON_MAX_HPD_PINS];
    847 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
    848 	union radeon_irq_stat_regs	stat_regs;
    849 	bool				dpm_thermal;
    850 };
    851 
    852 int radeon_irq_kms_init(struct radeon_device *rdev);
    853 void radeon_irq_kms_fini(struct radeon_device *rdev);
    854 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
    855 bool radeon_irq_kms_sw_irq_get_delayed(struct radeon_device *rdev, int ring);
    856 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
    857 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
    858 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
    859 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
    860 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
    861 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
    862 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
    863 
    864 /*
    865  * CP & rings.
    866  */
    867 
    868 struct radeon_ib {
    869 	struct radeon_sa_bo		*sa_bo;
    870 	uint32_t			length_dw;
    871 	uint64_t			gpu_addr;
    872 	uint32_t			*ptr;
    873 	int				ring;
    874 	struct radeon_fence		*fence;
    875 	struct radeon_vm		*vm;
    876 	bool				is_const_ib;
    877 	struct radeon_sync		sync;
    878 };
    879 
    880 struct radeon_ring {
    881 	struct radeon_bo	*ring_obj;
    882 	volatile uint32_t	*ring;
    883 	unsigned		rptr_offs;
    884 	unsigned		rptr_save_reg;
    885 	u64			next_rptr_gpu_addr;
    886 	volatile u32		*next_rptr_cpu_addr;
    887 	unsigned		wptr;
    888 	unsigned		wptr_old;
    889 	unsigned		ring_size;
    890 	unsigned		ring_free_dw;
    891 	int			count_dw;
    892 	atomic_t		last_rptr;
    893 	atomic64_t		last_activity;
    894 	uint64_t		gpu_addr;
    895 	uint32_t		align_mask;
    896 	uint32_t		ptr_mask;
    897 	bool			ready;
    898 	u32			nop;
    899 	u32			idx;
    900 	u64			last_semaphore_signal_addr;
    901 	u64			last_semaphore_wait_addr;
    902 	/* for CIK queues */
    903 	u32 me;
    904 	u32 pipe;
    905 	u32 queue;
    906 	struct radeon_bo	*mqd_obj;
    907 	u32 doorbell_index;
    908 	unsigned		wptr_offs;
    909 };
    910 
    911 struct radeon_mec {
    912 	struct radeon_bo	*hpd_eop_obj;
    913 	u64			hpd_eop_gpu_addr;
    914 	u32 num_pipe;
    915 	u32 num_mec;
    916 	u32 num_queue;
    917 };
    918 
    919 /*
    920  * VM
    921  */
    922 
    923 /* maximum number of VMIDs */
    924 #define RADEON_NUM_VM	16
    925 
    926 /* number of entries in page table */
    927 #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
    928 
    929 /* PTBs (Page Table Blocks) need to be aligned to 32K */
    930 #define RADEON_VM_PTB_ALIGN_SIZE   32768
    931 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
    932 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
    933 
    934 #define R600_PTE_VALID		(1 << 0)
    935 #define R600_PTE_SYSTEM		(1 << 1)
    936 #define R600_PTE_SNOOPED	(1 << 2)
    937 #define R600_PTE_READABLE	(1 << 5)
    938 #define R600_PTE_WRITEABLE	(1 << 6)
    939 
    940 /* PTE (Page Table Entry) fragment field for different page sizes */
    941 #define R600_PTE_FRAG_4KB	(0 << 7)
    942 #define R600_PTE_FRAG_64KB	(4 << 7)
    943 #define R600_PTE_FRAG_256KB	(6 << 7)
    944 
    945 /* flags needed to be set so we can copy directly from the GART table */
    946 #define R600_PTE_GART_MASK	( R600_PTE_READABLE | R600_PTE_WRITEABLE | \
    947 				  R600_PTE_SYSTEM | R600_PTE_VALID )
    948 
    949 struct radeon_vm_pt {
    950 	struct radeon_bo		*bo;
    951 	uint64_t			addr;
    952 };
    953 
    954 struct radeon_vm_id {
    955 	unsigned		id;
    956 	uint64_t		pd_gpu_addr;
    957 	/* last flushed PD/PT update */
    958 	struct radeon_fence	*flushed_updates;
    959 	/* last use of vmid */
    960 	struct radeon_fence	*last_id_use;
    961 };
    962 
    963 struct radeon_vm {
    964 	struct mutex		mutex;
    965 
    966 	struct rb_root_cached	va;
    967 
    968 	/* protecting invalidated and freed */
    969 	spinlock_t		status_lock;
    970 
    971 	/* BOs moved, but not yet updated in the PT */
    972 	struct list_head	invalidated;
    973 
    974 	/* BOs freed, but not yet updated in the PT */
    975 	struct list_head	freed;
    976 
    977 	/* BOs cleared in the PT */
    978 	struct list_head	cleared;
    979 
    980 	/* contains the page directory */
    981 	struct radeon_bo	*page_directory;
    982 	unsigned		max_pde_used;
    983 
    984 	/* array of page tables, one for each page directory entry */
    985 	struct radeon_vm_pt	*page_tables;
    986 
    987 	struct radeon_bo_va	*ib_bo_va;
    988 
    989 	/* for id and flush management per ring */
    990 	struct radeon_vm_id	ids[RADEON_NUM_RINGS];
    991 };
    992 
    993 struct radeon_vm_manager {
    994 	struct radeon_fence		*active[RADEON_NUM_VM];
    995 	uint32_t			max_pfn;
    996 	/* number of VMIDs */
    997 	unsigned			nvm;
    998 	/* vram base address for page table entry  */
    999 	u64				vram_base_offset;
   1000 	/* is vm enabled? */
   1001 	bool				enabled;
   1002 	/* for hw to save the PD addr on suspend/resume */
   1003 	uint32_t			saved_table_addr[RADEON_NUM_VM];
   1004 };
   1005 
   1006 /*
   1007  * file private structure
   1008  */
   1009 struct radeon_fpriv {
   1010 	struct radeon_vm		vm;
   1011 };
   1012 
   1013 /*
   1014  * R6xx+ IH ring
   1015  */
   1016 struct r600_ih {
   1017 	struct radeon_bo	*ring_obj;
   1018 	volatile uint32_t	*ring;
   1019 	unsigned		rptr;
   1020 	unsigned		ring_size;
   1021 	uint64_t		gpu_addr;
   1022 	uint32_t		ptr_mask;
   1023 	atomic_t		lock;
   1024 	bool                    enabled;
   1025 };
   1026 
   1027 /*
   1028  * RLC stuff
   1029  */
   1030 #include "clearstate_defs.h"
   1031 
   1032 struct radeon_rlc {
   1033 	/* for power gating */
   1034 	struct radeon_bo	*save_restore_obj;
   1035 	uint64_t		save_restore_gpu_addr;
   1036 	volatile uint32_t	*sr_ptr;
   1037 	const u32               *reg_list;
   1038 	u32                     reg_list_size;
   1039 	/* for clear state */
   1040 	struct radeon_bo	*clear_state_obj;
   1041 	uint64_t		clear_state_gpu_addr;
   1042 	volatile uint32_t	*cs_ptr;
   1043 	const struct cs_section_def   *cs_data;
   1044 	u32                     clear_state_size;
   1045 	/* for cp tables */
   1046 	struct radeon_bo	*cp_table_obj;
   1047 	uint64_t		cp_table_gpu_addr;
   1048 	volatile uint32_t	*cp_table_ptr;
   1049 	u32                     cp_table_size;
   1050 };
   1051 
   1052 int radeon_ib_get(struct radeon_device *rdev, int ring,
   1053 		  struct radeon_ib *ib, struct radeon_vm *vm,
   1054 		  unsigned size);
   1055 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
   1056 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
   1057 		       struct radeon_ib *const_ib, bool hdp_flush);
   1058 int radeon_ib_pool_init(struct radeon_device *rdev);
   1059 void radeon_ib_pool_fini(struct radeon_device *rdev);
   1060 int radeon_ib_ring_tests(struct radeon_device *rdev);
   1061 /* Ring access between begin & end cannot sleep */
   1062 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
   1063 				      struct radeon_ring *ring);
   1064 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
   1065 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
   1066 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
   1067 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
   1068 			bool hdp_flush);
   1069 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
   1070 			       bool hdp_flush);
   1071 void radeon_ring_undo(struct radeon_ring *ring);
   1072 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
   1073 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
   1074 void radeon_ring_lockup_update(struct radeon_device *rdev,
   1075 			       struct radeon_ring *ring);
   1076 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
   1077 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
   1078 			    uint32_t **data);
   1079 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
   1080 			unsigned size, uint32_t *data);
   1081 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
   1082 		     unsigned rptr_offs, u32 nop);
   1083 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
   1084 
   1085 
   1086 /* r600 async dma */
   1087 void r600_dma_stop(struct radeon_device *rdev);
   1088 int r600_dma_resume(struct radeon_device *rdev);
   1089 void r600_dma_fini(struct radeon_device *rdev);
   1090 
   1091 void cayman_dma_stop(struct radeon_device *rdev);
   1092 int cayman_dma_resume(struct radeon_device *rdev);
   1093 void cayman_dma_fini(struct radeon_device *rdev);
   1094 
   1095 /*
   1096  * CS.
   1097  */
   1098 struct radeon_cs_chunk {
   1099 	uint32_t		length_dw;
   1100 	uint32_t		*kdata;
   1101 	void __user		*user_ptr;
   1102 };
   1103 
   1104 struct radeon_cs_parser {
   1105 	struct device		*dev;
   1106 	struct radeon_device	*rdev;
   1107 	struct drm_file		*filp;
   1108 	/* chunks */
   1109 	unsigned		nchunks;
   1110 	struct radeon_cs_chunk	*chunks;
   1111 	uint64_t		*chunks_array;
   1112 	/* IB */
   1113 	unsigned		idx;
   1114 	/* relocations */
   1115 	unsigned		nrelocs;
   1116 	struct radeon_bo_list	*relocs;
   1117 	struct radeon_bo_list	*vm_bos;
   1118 	struct list_head	validated;
   1119 	unsigned		dma_reloc_idx;
   1120 	/* indices of various chunks */
   1121 	struct radeon_cs_chunk  *chunk_ib;
   1122 	struct radeon_cs_chunk  *chunk_relocs;
   1123 	struct radeon_cs_chunk  *chunk_flags;
   1124 	struct radeon_cs_chunk  *chunk_const_ib;
   1125 	struct radeon_ib	ib;
   1126 	struct radeon_ib	const_ib;
   1127 	void			*track;
   1128 	unsigned		family;
   1129 	int			parser_error;
   1130 	u32			cs_flags;
   1131 	u32			ring;
   1132 	s32			priority;
   1133 	struct ww_acquire_ctx	ticket;
   1134 };
   1135 
   1136 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
   1137 {
   1138 	struct radeon_cs_chunk *ibc = p->chunk_ib;
   1139 
   1140 	if (ibc->kdata)
   1141 		return ibc->kdata[idx];
   1142 	return p->ib.ptr[idx];
   1143 }
   1144 
   1145 
   1146 struct radeon_cs_packet {
   1147 	unsigned	idx;
   1148 	unsigned	type;
   1149 	unsigned	reg;
   1150 	unsigned	opcode;
   1151 	int		count;
   1152 	unsigned	one_reg_wr;
   1153 };
   1154 
   1155 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
   1156 				      struct radeon_cs_packet *pkt,
   1157 				      unsigned idx, unsigned reg);
   1158 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
   1159 				      struct radeon_cs_packet *pkt);
   1160 
   1161 
   1162 /*
   1163  * AGP
   1164  */
   1165 int radeon_agp_init(struct radeon_device *rdev);
   1166 void radeon_agp_resume(struct radeon_device *rdev);
   1167 void radeon_agp_suspend(struct radeon_device *rdev);
   1168 void radeon_agp_fini(struct radeon_device *rdev);
   1169 
   1170 
   1171 /*
   1172  * Writeback
   1173  */
   1174 struct radeon_wb {
   1175 	struct radeon_bo	*wb_obj;
   1176 	volatile uint32_t	*wb;
   1177 	uint64_t		gpu_addr;
   1178 	bool                    enabled;
   1179 	bool                    use_event;
   1180 };
   1181 
   1182 #define RADEON_WB_SCRATCH_OFFSET 0
   1183 #define RADEON_WB_RING0_NEXT_RPTR 256
   1184 #define RADEON_WB_CP_RPTR_OFFSET 1024
   1185 #define RADEON_WB_CP1_RPTR_OFFSET 1280
   1186 #define RADEON_WB_CP2_RPTR_OFFSET 1536
   1187 #define R600_WB_DMA_RPTR_OFFSET   1792
   1188 #define R600_WB_IH_WPTR_OFFSET   2048
   1189 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
   1190 #define R600_WB_EVENT_OFFSET     3072
   1191 #define CIK_WB_CP1_WPTR_OFFSET     3328
   1192 #define CIK_WB_CP2_WPTR_OFFSET     3584
   1193 #define R600_WB_DMA_RING_TEST_OFFSET 3588
   1194 #define CAYMAN_WB_DMA1_RING_TEST_OFFSET 3592
   1195 
   1196 /**
   1197  * struct radeon_pm - power management datas
   1198  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
   1199  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
   1200  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
   1201  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
   1202  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
   1203  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
   1204  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
   1205  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
   1206  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
   1207  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
   1208  * @needed_bandwidth:   current bandwidth needs
   1209  *
   1210  * It keeps track of various data needed to take powermanagement decision.
   1211  * Bandwidth need is used to determine minimun clock of the GPU and memory.
   1212  * Equation between gpu/memory clock and available bandwidth is hw dependent
   1213  * (type of memory, bus size, efficiency, ...)
   1214  */
   1215 
   1216 enum radeon_pm_method {
   1217 	PM_METHOD_PROFILE,
   1218 	PM_METHOD_DYNPM,
   1219 	PM_METHOD_DPM,
   1220 };
   1221 
   1222 enum radeon_dynpm_state {
   1223 	DYNPM_STATE_DISABLED,
   1224 	DYNPM_STATE_MINIMUM,
   1225 	DYNPM_STATE_PAUSED,
   1226 	DYNPM_STATE_ACTIVE,
   1227 	DYNPM_STATE_SUSPENDED,
   1228 };
   1229 enum radeon_dynpm_action {
   1230 	DYNPM_ACTION_NONE,
   1231 	DYNPM_ACTION_MINIMUM,
   1232 	DYNPM_ACTION_DOWNCLOCK,
   1233 	DYNPM_ACTION_UPCLOCK,
   1234 	DYNPM_ACTION_DEFAULT
   1235 };
   1236 
   1237 enum radeon_voltage_type {
   1238 	VOLTAGE_NONE = 0,
   1239 	VOLTAGE_GPIO,
   1240 	VOLTAGE_VDDC,
   1241 	VOLTAGE_SW
   1242 };
   1243 
   1244 enum radeon_pm_state_type {
   1245 	/* not used for dpm */
   1246 	POWER_STATE_TYPE_DEFAULT,
   1247 	POWER_STATE_TYPE_POWERSAVE,
   1248 	/* user selectable states */
   1249 	POWER_STATE_TYPE_BATTERY,
   1250 	POWER_STATE_TYPE_BALANCED,
   1251 	POWER_STATE_TYPE_PERFORMANCE,
   1252 	/* internal states */
   1253 	POWER_STATE_TYPE_INTERNAL_UVD,
   1254 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
   1255 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
   1256 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
   1257 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
   1258 	POWER_STATE_TYPE_INTERNAL_BOOT,
   1259 	POWER_STATE_TYPE_INTERNAL_THERMAL,
   1260 	POWER_STATE_TYPE_INTERNAL_ACPI,
   1261 	POWER_STATE_TYPE_INTERNAL_ULV,
   1262 	POWER_STATE_TYPE_INTERNAL_3DPERF,
   1263 };
   1264 
   1265 enum radeon_pm_profile_type {
   1266 	PM_PROFILE_DEFAULT,
   1267 	PM_PROFILE_AUTO,
   1268 	PM_PROFILE_LOW,
   1269 	PM_PROFILE_MID,
   1270 	PM_PROFILE_HIGH,
   1271 };
   1272 
   1273 #define PM_PROFILE_DEFAULT_IDX 0
   1274 #define PM_PROFILE_LOW_SH_IDX  1
   1275 #define PM_PROFILE_MID_SH_IDX  2
   1276 #define PM_PROFILE_HIGH_SH_IDX 3
   1277 #define PM_PROFILE_LOW_MH_IDX  4
   1278 #define PM_PROFILE_MID_MH_IDX  5
   1279 #define PM_PROFILE_HIGH_MH_IDX 6
   1280 #define PM_PROFILE_MAX         7
   1281 
   1282 struct radeon_pm_profile {
   1283 	int dpms_off_ps_idx;
   1284 	int dpms_on_ps_idx;
   1285 	int dpms_off_cm_idx;
   1286 	int dpms_on_cm_idx;
   1287 };
   1288 
   1289 enum radeon_int_thermal_type {
   1290 	THERMAL_TYPE_NONE,
   1291 	THERMAL_TYPE_EXTERNAL,
   1292 	THERMAL_TYPE_EXTERNAL_GPIO,
   1293 	THERMAL_TYPE_RV6XX,
   1294 	THERMAL_TYPE_RV770,
   1295 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
   1296 	THERMAL_TYPE_EVERGREEN,
   1297 	THERMAL_TYPE_SUMO,
   1298 	THERMAL_TYPE_NI,
   1299 	THERMAL_TYPE_SI,
   1300 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
   1301 	THERMAL_TYPE_CI,
   1302 	THERMAL_TYPE_KV,
   1303 };
   1304 
   1305 struct radeon_voltage {
   1306 	enum radeon_voltage_type type;
   1307 	/* gpio voltage */
   1308 	struct radeon_gpio_rec gpio;
   1309 	u32 delay; /* delay in usec from voltage drop to sclk change */
   1310 	bool active_high; /* voltage drop is active when bit is high */
   1311 	/* VDDC voltage */
   1312 	u8 vddc_id; /* index into vddc voltage table */
   1313 	u8 vddci_id; /* index into vddci voltage table */
   1314 	bool vddci_enabled;
   1315 	/* r6xx+ sw */
   1316 	u16 voltage;
   1317 	/* evergreen+ vddci */
   1318 	u16 vddci;
   1319 };
   1320 
   1321 /* clock mode flags */
   1322 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
   1323 
   1324 struct radeon_pm_clock_info {
   1325 	/* memory clock */
   1326 	u32 mclk;
   1327 	/* engine clock */
   1328 	u32 sclk;
   1329 	/* voltage info */
   1330 	struct radeon_voltage voltage;
   1331 	/* standardized clock flags */
   1332 	u32 flags;
   1333 };
   1334 
   1335 /* state flags */
   1336 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
   1337 
   1338 struct radeon_power_state {
   1339 	enum radeon_pm_state_type type;
   1340 	struct radeon_pm_clock_info *clock_info;
   1341 	/* number of valid clock modes in this power state */
   1342 	int num_clock_modes;
   1343 	struct radeon_pm_clock_info *default_clock_mode;
   1344 	/* standardized state flags */
   1345 	u32 flags;
   1346 	u32 misc; /* vbios specific flags */
   1347 	u32 misc2; /* vbios specific flags */
   1348 	int pcie_lanes; /* pcie lanes */
   1349 };
   1350 
   1351 /*
   1352  * Some modes are overclocked by very low value, accept them
   1353  */
   1354 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
   1355 
   1356 enum radeon_dpm_auto_throttle_src {
   1357 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
   1358 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
   1359 };
   1360 
   1361 enum radeon_dpm_event_src {
   1362 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
   1363 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
   1364 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
   1365 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
   1366 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
   1367 };
   1368 
   1369 #define RADEON_MAX_VCE_LEVELS 6
   1370 
   1371 enum radeon_vce_level {
   1372 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
   1373 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
   1374 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
   1375 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
   1376 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
   1377 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
   1378 };
   1379 
   1380 struct radeon_ps {
   1381 	u32 caps; /* vbios flags */
   1382 	u32 class; /* vbios flags */
   1383 	u32 class2; /* vbios flags */
   1384 	/* UVD clocks */
   1385 	u32 vclk;
   1386 	u32 dclk;
   1387 	/* VCE clocks */
   1388 	u32 evclk;
   1389 	u32 ecclk;
   1390 	bool vce_active;
   1391 	enum radeon_vce_level vce_level;
   1392 	/* asic priv */
   1393 	void *ps_priv;
   1394 };
   1395 
   1396 struct radeon_dpm_thermal {
   1397 	/* thermal interrupt work */
   1398 	struct work_struct work;
   1399 	/* low temperature threshold */
   1400 	int                min_temp;
   1401 	/* high temperature threshold */
   1402 	int                max_temp;
   1403 	/* was interrupt low to high or high to low */
   1404 	bool               high_to_low;
   1405 };
   1406 
   1407 enum radeon_clk_action
   1408 {
   1409 	RADEON_SCLK_UP = 1,
   1410 	RADEON_SCLK_DOWN
   1411 };
   1412 
   1413 struct radeon_blacklist_clocks
   1414 {
   1415 	u32 sclk;
   1416 	u32 mclk;
   1417 	enum radeon_clk_action action;
   1418 };
   1419 
   1420 struct radeon_clock_and_voltage_limits {
   1421 	u32 sclk;
   1422 	u32 mclk;
   1423 	u16 vddc;
   1424 	u16 vddci;
   1425 };
   1426 
   1427 struct radeon_clock_array {
   1428 	u32 count;
   1429 	u32 *values;
   1430 };
   1431 
   1432 struct radeon_clock_voltage_dependency_entry {
   1433 	u32 clk;
   1434 	u16 v;
   1435 };
   1436 
   1437 struct radeon_clock_voltage_dependency_table {
   1438 	u32 count;
   1439 	struct radeon_clock_voltage_dependency_entry *entries;
   1440 };
   1441 
   1442 union radeon_cac_leakage_entry {
   1443 	struct {
   1444 		u16 vddc;
   1445 		u32 leakage;
   1446 	};
   1447 	struct {
   1448 		u16 vddc1;
   1449 		u16 vddc2;
   1450 		u16 vddc3;
   1451 	};
   1452 };
   1453 
   1454 struct radeon_cac_leakage_table {
   1455 	u32 count;
   1456 	union radeon_cac_leakage_entry *entries;
   1457 };
   1458 
   1459 struct radeon_phase_shedding_limits_entry {
   1460 	u16 voltage;
   1461 	u32 sclk;
   1462 	u32 mclk;
   1463 };
   1464 
   1465 struct radeon_phase_shedding_limits_table {
   1466 	u32 count;
   1467 	struct radeon_phase_shedding_limits_entry *entries;
   1468 };
   1469 
   1470 struct radeon_uvd_clock_voltage_dependency_entry {
   1471 	u32 vclk;
   1472 	u32 dclk;
   1473 	u16 v;
   1474 };
   1475 
   1476 struct radeon_uvd_clock_voltage_dependency_table {
   1477 	u8 count;
   1478 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
   1479 };
   1480 
   1481 struct radeon_vce_clock_voltage_dependency_entry {
   1482 	u32 ecclk;
   1483 	u32 evclk;
   1484 	u16 v;
   1485 };
   1486 
   1487 struct radeon_vce_clock_voltage_dependency_table {
   1488 	u8 count;
   1489 	struct radeon_vce_clock_voltage_dependency_entry *entries;
   1490 };
   1491 
   1492 struct radeon_ppm_table {
   1493 	u8 ppm_design;
   1494 	u16 cpu_core_number;
   1495 	u32 platform_tdp;
   1496 	u32 small_ac_platform_tdp;
   1497 	u32 platform_tdc;
   1498 	u32 small_ac_platform_tdc;
   1499 	u32 apu_tdp;
   1500 	u32 dgpu_tdp;
   1501 	u32 dgpu_ulv_power;
   1502 	u32 tj_max;
   1503 };
   1504 
   1505 struct radeon_cac_tdp_table {
   1506 	u16 tdp;
   1507 	u16 configurable_tdp;
   1508 	u16 tdc;
   1509 	u16 battery_power_limit;
   1510 	u16 small_power_limit;
   1511 	u16 low_cac_leakage;
   1512 	u16 high_cac_leakage;
   1513 	u16 maximum_power_delivery_limit;
   1514 };
   1515 
   1516 struct radeon_dpm_dynamic_state {
   1517 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
   1518 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
   1519 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
   1520 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
   1521 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
   1522 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
   1523 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
   1524 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
   1525 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
   1526 	struct radeon_clock_array valid_sclk_values;
   1527 	struct radeon_clock_array valid_mclk_values;
   1528 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
   1529 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
   1530 	u32 mclk_sclk_ratio;
   1531 	u32 sclk_mclk_delta;
   1532 	u16 vddc_vddci_delta;
   1533 	u16 min_vddc_for_pcie_gen2;
   1534 	struct radeon_cac_leakage_table cac_leakage_table;
   1535 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
   1536 	struct radeon_ppm_table *ppm_table;
   1537 	struct radeon_cac_tdp_table *cac_tdp_table;
   1538 };
   1539 
   1540 struct radeon_dpm_fan {
   1541 	u16 t_min;
   1542 	u16 t_med;
   1543 	u16 t_high;
   1544 	u16 pwm_min;
   1545 	u16 pwm_med;
   1546 	u16 pwm_high;
   1547 	u8 t_hyst;
   1548 	u32 cycle_delay;
   1549 	u16 t_max;
   1550 	u8 control_mode;
   1551 	u16 default_max_fan_pwm;
   1552 	u16 default_fan_output_sensitivity;
   1553 	u16 fan_output_sensitivity;
   1554 	bool ucode_fan_control;
   1555 };
   1556 
   1557 enum radeon_pcie_gen {
   1558 	RADEON_PCIE_GEN1 = 0,
   1559 	RADEON_PCIE_GEN2 = 1,
   1560 	RADEON_PCIE_GEN3 = 2,
   1561 	RADEON_PCIE_GEN_INVALID = 0xffff
   1562 };
   1563 
   1564 enum radeon_dpm_forced_level {
   1565 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
   1566 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
   1567 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
   1568 };
   1569 
   1570 struct radeon_vce_state {
   1571 	/* vce clocks */
   1572 	u32 evclk;
   1573 	u32 ecclk;
   1574 	/* gpu clocks */
   1575 	u32 sclk;
   1576 	u32 mclk;
   1577 	u8 clk_idx;
   1578 	u8 pstate;
   1579 };
   1580 
   1581 struct radeon_dpm {
   1582 	struct radeon_ps        *ps;
   1583 	/* number of valid power states */
   1584 	int                     num_ps;
   1585 	/* current power state that is active */
   1586 	struct radeon_ps        *current_ps;
   1587 	/* requested power state */
   1588 	struct radeon_ps        *requested_ps;
   1589 	/* boot up power state */
   1590 	struct radeon_ps        *boot_ps;
   1591 	/* default uvd power state */
   1592 	struct radeon_ps        *uvd_ps;
   1593 	/* vce requirements */
   1594 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
   1595 	enum radeon_vce_level vce_level;
   1596 	enum radeon_pm_state_type state;
   1597 	enum radeon_pm_state_type user_state;
   1598 	u32                     platform_caps;
   1599 	u32                     voltage_response_time;
   1600 	u32                     backbias_response_time;
   1601 	void                    *priv;
   1602 	u32			new_active_crtcs;
   1603 	int			new_active_crtc_count;
   1604 	u32			current_active_crtcs;
   1605 	int			current_active_crtc_count;
   1606 	bool single_display;
   1607 	struct radeon_dpm_dynamic_state dyn_state;
   1608 	struct radeon_dpm_fan fan;
   1609 	u32 tdp_limit;
   1610 	u32 near_tdp_limit;
   1611 	u32 near_tdp_limit_adjusted;
   1612 	u32 sq_ramping_threshold;
   1613 	u32 cac_leakage;
   1614 	u16 tdp_od_limit;
   1615 	u32 tdp_adjustment;
   1616 	u16 load_line_slope;
   1617 	bool power_control;
   1618 	bool ac_power;
   1619 	/* special states active */
   1620 	bool                    thermal_active;
   1621 	bool                    uvd_active;
   1622 	bool                    vce_active;
   1623 	/* thermal handling */
   1624 	struct radeon_dpm_thermal thermal;
   1625 	/* forced levels */
   1626 	enum radeon_dpm_forced_level forced_level;
   1627 	/* track UVD streams */
   1628 	unsigned sd;
   1629 	unsigned hd;
   1630 };
   1631 
   1632 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
   1633 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
   1634 
   1635 struct radeon_pm {
   1636 	struct mutex		mutex;
   1637 	/* write locked while reprogramming mclk */
   1638 	struct rw_semaphore	mclk_lock;
   1639 	u32			active_crtcs;
   1640 	int			active_crtc_count;
   1641 	int			req_vblank;
   1642 	bool			vblank_sync;
   1643 	fixed20_12		max_bandwidth;
   1644 	fixed20_12		igp_sideport_mclk;
   1645 	fixed20_12		igp_system_mclk;
   1646 	fixed20_12		igp_ht_link_clk;
   1647 	fixed20_12		igp_ht_link_width;
   1648 	fixed20_12		k8_bandwidth;
   1649 	fixed20_12		sideport_bandwidth;
   1650 	fixed20_12		ht_bandwidth;
   1651 	fixed20_12		core_bandwidth;
   1652 	fixed20_12		sclk;
   1653 	fixed20_12		mclk;
   1654 	fixed20_12		needed_bandwidth;
   1655 	struct radeon_power_state *power_state;
   1656 	/* number of valid power states */
   1657 	int                     num_power_states;
   1658 	int                     current_power_state_index;
   1659 	int                     current_clock_mode_index;
   1660 	int                     requested_power_state_index;
   1661 	int                     requested_clock_mode_index;
   1662 	int                     default_power_state_index;
   1663 	u32                     current_sclk;
   1664 	u32                     current_mclk;
   1665 	u16                     current_vddc;
   1666 	u16                     current_vddci;
   1667 	u32                     default_sclk;
   1668 	u32                     default_mclk;
   1669 	u16                     default_vddc;
   1670 	u16                     default_vddci;
   1671 	struct radeon_i2c_chan *i2c_bus;
   1672 	/* selected pm method */
   1673 	enum radeon_pm_method     pm_method;
   1674 	/* dynpm power management */
   1675 	struct delayed_work	dynpm_idle_work;
   1676 	enum radeon_dynpm_state	dynpm_state;
   1677 	enum radeon_dynpm_action	dynpm_planned_action;
   1678 	unsigned long		dynpm_action_timeout;
   1679 	bool                    dynpm_can_upclock;
   1680 	bool                    dynpm_can_downclock;
   1681 	/* profile-based power management */
   1682 	enum radeon_pm_profile_type profile;
   1683 	int                     profile_index;
   1684 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
   1685 	/* internal thermal controller on rv6xx+ */
   1686 	enum radeon_int_thermal_type int_thermal_type;
   1687 	struct device	        *int_hwmon_dev;
   1688 	/* fan control parameters */
   1689 	bool                    no_fan;
   1690 	u8                      fan_pulses_per_revolution;
   1691 	u8                      fan_min_rpm;
   1692 	u8                      fan_max_rpm;
   1693 	/* dpm */
   1694 	bool                    dpm_enabled;
   1695 	bool                    sysfs_initialized;
   1696 	struct radeon_dpm       dpm;
   1697 };
   1698 
   1699 #define RADEON_PCIE_SPEED_25 1
   1700 #define RADEON_PCIE_SPEED_50 2
   1701 #define RADEON_PCIE_SPEED_80 4
   1702 
   1703 int radeon_pm_get_type_index(struct radeon_device *rdev,
   1704 			     enum radeon_pm_state_type ps_type,
   1705 			     int instance);
   1706 /*
   1707  * UVD
   1708  */
   1709 #define RADEON_DEFAULT_UVD_HANDLES	10
   1710 #define RADEON_MAX_UVD_HANDLES		30
   1711 #define RADEON_UVD_STACK_SIZE		(200*1024)
   1712 #define RADEON_UVD_HEAP_SIZE		(256*1024)
   1713 #define RADEON_UVD_SESSION_SIZE		(50*1024)
   1714 
   1715 struct radeon_uvd {
   1716 	bool			fw_header_present;
   1717 	struct radeon_bo	*vcpu_bo;
   1718 	void			*cpu_addr;
   1719 	uint64_t		gpu_addr;
   1720 	unsigned		max_handles;
   1721 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
   1722 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
   1723 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
   1724 	struct delayed_work	idle_work;
   1725 };
   1726 
   1727 int radeon_uvd_init(struct radeon_device *rdev);
   1728 void radeon_uvd_fini(struct radeon_device *rdev);
   1729 int radeon_uvd_suspend(struct radeon_device *rdev);
   1730 int radeon_uvd_resume(struct radeon_device *rdev);
   1731 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
   1732 			      uint32_t handle, struct radeon_fence **fence);
   1733 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
   1734 			       uint32_t handle, struct radeon_fence **fence);
   1735 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
   1736 				       uint32_t allowed_domains);
   1737 void radeon_uvd_free_handles(struct radeon_device *rdev,
   1738 			     struct drm_file *filp);
   1739 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
   1740 void radeon_uvd_note_usage(struct radeon_device *rdev);
   1741 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
   1742 				  unsigned vclk, unsigned dclk,
   1743 				  unsigned vco_min, unsigned vco_max,
   1744 				  unsigned fb_factor, unsigned fb_mask,
   1745 				  unsigned pd_min, unsigned pd_max,
   1746 				  unsigned pd_even,
   1747 				  unsigned *optimal_fb_div,
   1748 				  unsigned *optimal_vclk_div,
   1749 				  unsigned *optimal_dclk_div);
   1750 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
   1751                                 unsigned cg_upll_func_cntl);
   1752 
   1753 /*
   1754  * VCE
   1755  */
   1756 #define RADEON_MAX_VCE_HANDLES	16
   1757 
   1758 struct radeon_vce {
   1759 	struct radeon_bo	*vcpu_bo;
   1760 	uint64_t		gpu_addr;
   1761 	unsigned		fw_version;
   1762 	unsigned		fb_version;
   1763 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
   1764 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
   1765 	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
   1766 	struct delayed_work	idle_work;
   1767 	uint32_t		keyselect;
   1768 };
   1769 
   1770 int radeon_vce_init(struct radeon_device *rdev);
   1771 void radeon_vce_fini(struct radeon_device *rdev);
   1772 int radeon_vce_suspend(struct radeon_device *rdev);
   1773 int radeon_vce_resume(struct radeon_device *rdev);
   1774 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
   1775 			      uint32_t handle, struct radeon_fence **fence);
   1776 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
   1777 			       uint32_t handle, struct radeon_fence **fence);
   1778 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
   1779 void radeon_vce_note_usage(struct radeon_device *rdev);
   1780 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
   1781 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
   1782 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
   1783 			       struct radeon_ring *ring,
   1784 			       struct radeon_semaphore *semaphore,
   1785 			       bool emit_wait);
   1786 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
   1787 void radeon_vce_fence_emit(struct radeon_device *rdev,
   1788 			   struct radeon_fence *fence);
   1789 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
   1790 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
   1791 
   1792 struct r600_audio_pin {
   1793 	int			channels;
   1794 	int			rate;
   1795 	int			bits_per_sample;
   1796 	u8			status_bits;
   1797 	u8			category_code;
   1798 	u32			offset;
   1799 	bool			connected;
   1800 	u32			id;
   1801 };
   1802 
   1803 struct r600_audio {
   1804 	bool enabled;
   1805 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
   1806 	int num_pins;
   1807 	struct radeon_audio_funcs *hdmi_funcs;
   1808 	struct radeon_audio_funcs *dp_funcs;
   1809 	struct radeon_audio_basic_funcs *funcs;
   1810 };
   1811 
   1812 /*
   1813  * Benchmarking
   1814  */
   1815 void radeon_benchmark(struct radeon_device *rdev, int test_number);
   1816 
   1817 
   1818 /*
   1819  * Testing
   1820  */
   1821 void radeon_test_moves(struct radeon_device *rdev);
   1822 void radeon_test_ring_sync(struct radeon_device *rdev,
   1823 			   struct radeon_ring *cpA,
   1824 			   struct radeon_ring *cpB);
   1825 void radeon_test_syncing(struct radeon_device *rdev);
   1826 
   1827 /*
   1828  * MMU Notifier
   1829  */
   1830 #if defined(CONFIG_MMU_NOTIFIER)
   1831 int radeon_mn_register(struct radeon_bo *bo, unsigned long addr);
   1832 void radeon_mn_unregister(struct radeon_bo *bo);
   1833 #else
   1834 static inline int radeon_mn_register(struct radeon_bo *bo, unsigned long addr)
   1835 {
   1836 	return -ENODEV;
   1837 }
   1838 static inline void radeon_mn_unregister(struct radeon_bo *bo) {}
   1839 #endif
   1840 
   1841 /*
   1842  * Debugfs
   1843  */
   1844 struct radeon_debugfs {
   1845 	struct drm_info_list	*files;
   1846 	unsigned		num_files;
   1847 };
   1848 
   1849 int radeon_debugfs_add_files(struct radeon_device *rdev,
   1850 			     struct drm_info_list *files,
   1851 			     unsigned nfiles);
   1852 int radeon_debugfs_fence_init(struct radeon_device *rdev);
   1853 
   1854 /*
   1855  * ASIC ring specific functions.
   1856  */
   1857 struct radeon_asic_ring {
   1858 	/* ring read/write ptr handling */
   1859 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
   1860 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
   1861 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
   1862 
   1863 	/* validating and patching of IBs */
   1864 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
   1865 	int (*cs_parse)(struct radeon_cs_parser *p);
   1866 
   1867 	/* command emmit functions */
   1868 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
   1869 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
   1870 	void (*hdp_flush)(struct radeon_device *rdev, struct radeon_ring *ring);
   1871 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
   1872 			       struct radeon_semaphore *semaphore, bool emit_wait);
   1873 	void (*vm_flush)(struct radeon_device *rdev, struct radeon_ring *ring,
   1874 			 unsigned vm_id, uint64_t pd_addr);
   1875 
   1876 	/* testing functions */
   1877 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
   1878 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
   1879 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
   1880 
   1881 	/* deprecated */
   1882 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
   1883 };
   1884 
   1885 /*
   1886  * ASIC specific functions.
   1887  */
   1888 struct radeon_asic {
   1889 	int (*init)(struct radeon_device *rdev);
   1890 	void (*fini)(struct radeon_device *rdev);
   1891 	int (*resume)(struct radeon_device *rdev);
   1892 	int (*suspend)(struct radeon_device *rdev);
   1893 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
   1894 	int (*asic_reset)(struct radeon_device *rdev, bool hard);
   1895 	/* Flush the HDP cache via MMIO */
   1896 	void (*mmio_hdp_flush)(struct radeon_device *rdev);
   1897 	/* check if 3D engine is idle */
   1898 	bool (*gui_idle)(struct radeon_device *rdev);
   1899 	/* wait for mc_idle */
   1900 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
   1901 	/* get the reference clock */
   1902 	u32 (*get_xclk)(struct radeon_device *rdev);
   1903 	/* get the gpu clock counter */
   1904 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
   1905 	/* get register for info ioctl */
   1906 	int (*get_allowed_info_register)(struct radeon_device *rdev, u32 reg, u32 *val);
   1907 	/* gart */
   1908 	struct {
   1909 		void (*tlb_flush)(struct radeon_device *rdev);
   1910 		uint64_t (*get_page_entry)(uint64_t addr, uint32_t flags);
   1911 		void (*set_page)(struct radeon_device *rdev, unsigned i,
   1912 				 uint64_t entry);
   1913 	} gart;
   1914 	struct {
   1915 		int (*init)(struct radeon_device *rdev);
   1916 		void (*fini)(struct radeon_device *rdev);
   1917 		void (*copy_pages)(struct radeon_device *rdev,
   1918 				   struct radeon_ib *ib,
   1919 				   uint64_t pe, uint64_t src,
   1920 				   unsigned count);
   1921 		void (*write_pages)(struct radeon_device *rdev,
   1922 				    struct radeon_ib *ib,
   1923 				    uint64_t pe,
   1924 				    uint64_t addr, unsigned count,
   1925 				    uint32_t incr, uint32_t flags);
   1926 		void (*set_pages)(struct radeon_device *rdev,
   1927 				  struct radeon_ib *ib,
   1928 				  uint64_t pe,
   1929 				  uint64_t addr, unsigned count,
   1930 				  uint32_t incr, uint32_t flags);
   1931 		void (*pad_ib)(struct radeon_ib *ib);
   1932 	} vm;
   1933 	/* ring specific callbacks */
   1934 	const struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
   1935 	/* irqs */
   1936 	struct {
   1937 		int (*set)(struct radeon_device *rdev);
   1938 		int (*process)(struct radeon_device *rdev);
   1939 	} irq;
   1940 	/* displays */
   1941 	struct {
   1942 		/* display watermarks */
   1943 		void (*bandwidth_update)(struct radeon_device *rdev);
   1944 		/* get frame count */
   1945 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
   1946 		/* wait for vblank */
   1947 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
   1948 		/* set backlight level */
   1949 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
   1950 		/* get backlight level */
   1951 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
   1952 		/* audio callbacks */
   1953 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
   1954 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
   1955 	} display;
   1956 	/* copy functions for bo handling */
   1957 	struct {
   1958 		struct radeon_fence *(*blit)(struct radeon_device *rdev,
   1959 					     uint64_t src_offset,
   1960 					     uint64_t dst_offset,
   1961 					     unsigned num_gpu_pages,
   1962 					     struct dma_resv *resv);
   1963 		u32 blit_ring_index;
   1964 		struct radeon_fence *(*dma)(struct radeon_device *rdev,
   1965 					    uint64_t src_offset,
   1966 					    uint64_t dst_offset,
   1967 					    unsigned num_gpu_pages,
   1968 					    struct dma_resv *resv);
   1969 		u32 dma_ring_index;
   1970 		/* method used for bo copy */
   1971 		struct radeon_fence *(*copy)(struct radeon_device *rdev,
   1972 					     uint64_t src_offset,
   1973 					     uint64_t dst_offset,
   1974 					     unsigned num_gpu_pages,
   1975 					     struct dma_resv *resv);
   1976 		/* ring used for bo copies */
   1977 		u32 copy_ring_index;
   1978 	} copy;
   1979 	/* surfaces */
   1980 	struct {
   1981 		int (*set_reg)(struct radeon_device *rdev, int reg,
   1982 				       uint32_t tiling_flags, uint32_t pitch,
   1983 				       uint32_t offset, uint32_t obj_size);
   1984 		void (*clear_reg)(struct radeon_device *rdev, int reg);
   1985 	} surface;
   1986 	/* hotplug detect */
   1987 	struct {
   1988 		void (*init)(struct radeon_device *rdev);
   1989 		void (*fini)(struct radeon_device *rdev);
   1990 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
   1991 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
   1992 	} hpd;
   1993 	/* static power management */
   1994 	struct {
   1995 		void (*misc)(struct radeon_device *rdev);
   1996 		void (*prepare)(struct radeon_device *rdev);
   1997 		void (*finish)(struct radeon_device *rdev);
   1998 		void (*init_profile)(struct radeon_device *rdev);
   1999 		void (*get_dynpm_state)(struct radeon_device *rdev);
   2000 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
   2001 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
   2002 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
   2003 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
   2004 		int (*get_pcie_lanes)(struct radeon_device *rdev);
   2005 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
   2006 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
   2007 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
   2008 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
   2009 		int (*get_temperature)(struct radeon_device *rdev);
   2010 	} pm;
   2011 	/* dynamic power management */
   2012 	struct {
   2013 		int (*init)(struct radeon_device *rdev);
   2014 		void (*setup_asic)(struct radeon_device *rdev);
   2015 		int (*enable)(struct radeon_device *rdev);
   2016 		int (*late_enable)(struct radeon_device *rdev);
   2017 		void (*disable)(struct radeon_device *rdev);
   2018 		int (*pre_set_power_state)(struct radeon_device *rdev);
   2019 		int (*set_power_state)(struct radeon_device *rdev);
   2020 		void (*post_set_power_state)(struct radeon_device *rdev);
   2021 		void (*display_configuration_changed)(struct radeon_device *rdev);
   2022 		void (*fini)(struct radeon_device *rdev);
   2023 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
   2024 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
   2025 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
   2026 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
   2027 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
   2028 		bool (*vblank_too_short)(struct radeon_device *rdev);
   2029 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
   2030 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
   2031 		void (*fan_ctrl_set_mode)(struct radeon_device *rdev, u32 mode);
   2032 		u32 (*fan_ctrl_get_mode)(struct radeon_device *rdev);
   2033 		int (*set_fan_speed_percent)(struct radeon_device *rdev, u32 speed);
   2034 		int (*get_fan_speed_percent)(struct radeon_device *rdev, u32 *speed);
   2035 		u32 (*get_current_sclk)(struct radeon_device *rdev);
   2036 		u32 (*get_current_mclk)(struct radeon_device *rdev);
   2037 	} dpm;
   2038 	/* pageflipping */
   2039 	struct {
   2040 		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base, bool async);
   2041 		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
   2042 	} pflip;
   2043 };
   2044 
   2045 /*
   2046  * Asic structures
   2047  */
   2048 struct r100_asic {
   2049 	const unsigned		*reg_safe_bm;
   2050 	unsigned		reg_safe_bm_size;
   2051 	u32			hdp_cntl;
   2052 };
   2053 
   2054 struct r300_asic {
   2055 	const unsigned		*reg_safe_bm;
   2056 	unsigned		reg_safe_bm_size;
   2057 	u32			resync_scratch;
   2058 	u32			hdp_cntl;
   2059 };
   2060 
   2061 struct r600_asic {
   2062 	unsigned		max_pipes;
   2063 	unsigned		max_tile_pipes;
   2064 	unsigned		max_simds;
   2065 	unsigned		max_backends;
   2066 	unsigned		max_gprs;
   2067 	unsigned		max_threads;
   2068 	unsigned		max_stack_entries;
   2069 	unsigned		max_hw_contexts;
   2070 	unsigned		max_gs_threads;
   2071 	unsigned		sx_max_export_size;
   2072 	unsigned		sx_max_export_pos_size;
   2073 	unsigned		sx_max_export_smx_size;
   2074 	unsigned		sq_num_cf_insts;
   2075 	unsigned		tiling_nbanks;
   2076 	unsigned		tiling_npipes;
   2077 	unsigned		tiling_group_size;
   2078 	unsigned		tile_config;
   2079 	unsigned		backend_map;
   2080 	unsigned		active_simds;
   2081 };
   2082 
   2083 struct rv770_asic {
   2084 	unsigned		max_pipes;
   2085 	unsigned		max_tile_pipes;
   2086 	unsigned		max_simds;
   2087 	unsigned		max_backends;
   2088 	unsigned		max_gprs;
   2089 	unsigned		max_threads;
   2090 	unsigned		max_stack_entries;
   2091 	unsigned		max_hw_contexts;
   2092 	unsigned		max_gs_threads;
   2093 	unsigned		sx_max_export_size;
   2094 	unsigned		sx_max_export_pos_size;
   2095 	unsigned		sx_max_export_smx_size;
   2096 	unsigned		sq_num_cf_insts;
   2097 	unsigned		sx_num_of_sets;
   2098 	unsigned		sc_prim_fifo_size;
   2099 	unsigned		sc_hiz_tile_fifo_size;
   2100 	unsigned		sc_earlyz_tile_fifo_fize;
   2101 	unsigned		tiling_nbanks;
   2102 	unsigned		tiling_npipes;
   2103 	unsigned		tiling_group_size;
   2104 	unsigned		tile_config;
   2105 	unsigned		backend_map;
   2106 	unsigned		active_simds;
   2107 };
   2108 
   2109 struct evergreen_asic {
   2110 	unsigned num_ses;
   2111 	unsigned max_pipes;
   2112 	unsigned max_tile_pipes;
   2113 	unsigned max_simds;
   2114 	unsigned max_backends;
   2115 	unsigned max_gprs;
   2116 	unsigned max_threads;
   2117 	unsigned max_stack_entries;
   2118 	unsigned max_hw_contexts;
   2119 	unsigned max_gs_threads;
   2120 	unsigned sx_max_export_size;
   2121 	unsigned sx_max_export_pos_size;
   2122 	unsigned sx_max_export_smx_size;
   2123 	unsigned sq_num_cf_insts;
   2124 	unsigned sx_num_of_sets;
   2125 	unsigned sc_prim_fifo_size;
   2126 	unsigned sc_hiz_tile_fifo_size;
   2127 	unsigned sc_earlyz_tile_fifo_size;
   2128 	unsigned tiling_nbanks;
   2129 	unsigned tiling_npipes;
   2130 	unsigned tiling_group_size;
   2131 	unsigned tile_config;
   2132 	unsigned backend_map;
   2133 	unsigned active_simds;
   2134 };
   2135 
   2136 struct cayman_asic {
   2137 	unsigned max_shader_engines;
   2138 	unsigned max_pipes_per_simd;
   2139 	unsigned max_tile_pipes;
   2140 	unsigned max_simds_per_se;
   2141 	unsigned max_backends_per_se;
   2142 	unsigned max_texture_channel_caches;
   2143 	unsigned max_gprs;
   2144 	unsigned max_threads;
   2145 	unsigned max_gs_threads;
   2146 	unsigned max_stack_entries;
   2147 	unsigned sx_num_of_sets;
   2148 	unsigned sx_max_export_size;
   2149 	unsigned sx_max_export_pos_size;
   2150 	unsigned sx_max_export_smx_size;
   2151 	unsigned max_hw_contexts;
   2152 	unsigned sq_num_cf_insts;
   2153 	unsigned sc_prim_fifo_size;
   2154 	unsigned sc_hiz_tile_fifo_size;
   2155 	unsigned sc_earlyz_tile_fifo_size;
   2156 
   2157 	unsigned num_shader_engines;
   2158 	unsigned num_shader_pipes_per_simd;
   2159 	unsigned num_tile_pipes;
   2160 	unsigned num_simds_per_se;
   2161 	unsigned num_backends_per_se;
   2162 	unsigned backend_disable_mask_per_asic;
   2163 	unsigned backend_map;
   2164 	unsigned num_texture_channel_caches;
   2165 	unsigned mem_max_burst_length_bytes;
   2166 	unsigned mem_row_size_in_kb;
   2167 	unsigned shader_engine_tile_size;
   2168 	unsigned num_gpus;
   2169 	unsigned multi_gpu_tile_size;
   2170 
   2171 	unsigned tile_config;
   2172 	unsigned active_simds;
   2173 };
   2174 
   2175 struct si_asic {
   2176 	unsigned max_shader_engines;
   2177 	unsigned max_tile_pipes;
   2178 	unsigned max_cu_per_sh;
   2179 	unsigned max_sh_per_se;
   2180 	unsigned max_backends_per_se;
   2181 	unsigned max_texture_channel_caches;
   2182 	unsigned max_gprs;
   2183 	unsigned max_gs_threads;
   2184 	unsigned max_hw_contexts;
   2185 	unsigned sc_prim_fifo_size_frontend;
   2186 	unsigned sc_prim_fifo_size_backend;
   2187 	unsigned sc_hiz_tile_fifo_size;
   2188 	unsigned sc_earlyz_tile_fifo_size;
   2189 
   2190 	unsigned num_tile_pipes;
   2191 	unsigned backend_enable_mask;
   2192 	unsigned backend_disable_mask_per_asic;
   2193 	unsigned backend_map;
   2194 	unsigned num_texture_channel_caches;
   2195 	unsigned mem_max_burst_length_bytes;
   2196 	unsigned mem_row_size_in_kb;
   2197 	unsigned shader_engine_tile_size;
   2198 	unsigned num_gpus;
   2199 	unsigned multi_gpu_tile_size;
   2200 
   2201 	unsigned tile_config;
   2202 	uint32_t tile_mode_array[32];
   2203 	uint32_t active_cus;
   2204 };
   2205 
   2206 struct cik_asic {
   2207 	unsigned max_shader_engines;
   2208 	unsigned max_tile_pipes;
   2209 	unsigned max_cu_per_sh;
   2210 	unsigned max_sh_per_se;
   2211 	unsigned max_backends_per_se;
   2212 	unsigned max_texture_channel_caches;
   2213 	unsigned max_gprs;
   2214 	unsigned max_gs_threads;
   2215 	unsigned max_hw_contexts;
   2216 	unsigned sc_prim_fifo_size_frontend;
   2217 	unsigned sc_prim_fifo_size_backend;
   2218 	unsigned sc_hiz_tile_fifo_size;
   2219 	unsigned sc_earlyz_tile_fifo_size;
   2220 
   2221 	unsigned num_tile_pipes;
   2222 	unsigned backend_enable_mask;
   2223 	unsigned backend_disable_mask_per_asic;
   2224 	unsigned backend_map;
   2225 	unsigned num_texture_channel_caches;
   2226 	unsigned mem_max_burst_length_bytes;
   2227 	unsigned mem_row_size_in_kb;
   2228 	unsigned shader_engine_tile_size;
   2229 	unsigned num_gpus;
   2230 	unsigned multi_gpu_tile_size;
   2231 
   2232 	unsigned tile_config;
   2233 	uint32_t tile_mode_array[32];
   2234 	uint32_t macrotile_mode_array[16];
   2235 	uint32_t active_cus;
   2236 };
   2237 
   2238 union radeon_asic_config {
   2239 	struct r300_asic	r300;
   2240 	struct r100_asic	r100;
   2241 	struct r600_asic	r600;
   2242 	struct rv770_asic	rv770;
   2243 	struct evergreen_asic	evergreen;
   2244 	struct cayman_asic	cayman;
   2245 	struct si_asic		si;
   2246 	struct cik_asic		cik;
   2247 };
   2248 
   2249 /*
   2250  * asic initizalization from radeon_asic.c
   2251  */
   2252 void radeon_agp_disable(struct radeon_device *rdev);
   2253 int radeon_asic_init(struct radeon_device *rdev);
   2254 
   2255 
   2256 /*
   2257  * IOCTL.
   2258  */
   2259 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
   2260 			  struct drm_file *filp);
   2261 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
   2262 			    struct drm_file *filp);
   2263 int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
   2264 			     struct drm_file *filp);
   2265 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
   2266 			 struct drm_file *file_priv);
   2267 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
   2268 			   struct drm_file *file_priv);
   2269 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
   2270 			    struct drm_file *file_priv);
   2271 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
   2272 			   struct drm_file *file_priv);
   2273 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
   2274 				struct drm_file *filp);
   2275 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
   2276 			  struct drm_file *filp);
   2277 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
   2278 			  struct drm_file *filp);
   2279 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
   2280 			      struct drm_file *filp);
   2281 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
   2282 			  struct drm_file *filp);
   2283 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
   2284 			struct drm_file *filp);
   2285 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
   2286 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
   2287 				struct drm_file *filp);
   2288 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
   2289 				struct drm_file *filp);
   2290 
   2291 /* VRAM scratch page for HDP bug, default vram page */
   2292 struct r600_vram_scratch {
   2293 	struct radeon_bo		*robj;
   2294 	volatile uint32_t		*ptr;
   2295 	u64				gpu_addr;
   2296 };
   2297 
   2298 /*
   2299  * ACPI
   2300  */
   2301 struct radeon_atif_notification_cfg {
   2302 	bool enabled;
   2303 	int command_code;
   2304 };
   2305 
   2306 struct radeon_atif_notifications {
   2307 	bool display_switch;
   2308 	bool expansion_mode_change;
   2309 	bool thermal_state;
   2310 	bool forced_power_state;
   2311 	bool system_power_state;
   2312 	bool display_conf_change;
   2313 	bool px_gfx_switch;
   2314 	bool brightness_change;
   2315 	bool dgpu_display_event;
   2316 };
   2317 
   2318 struct radeon_atif_functions {
   2319 	bool system_params;
   2320 	bool sbios_requests;
   2321 	bool select_active_disp;
   2322 	bool lid_state;
   2323 	bool get_tv_standard;
   2324 	bool set_tv_standard;
   2325 	bool get_panel_expansion_mode;
   2326 	bool set_panel_expansion_mode;
   2327 	bool temperature_change;
   2328 	bool graphics_device_types;
   2329 };
   2330 
   2331 struct radeon_atif {
   2332 	struct radeon_atif_notifications notifications;
   2333 	struct radeon_atif_functions functions;
   2334 	struct radeon_atif_notification_cfg notification_cfg;
   2335 	struct radeon_encoder *encoder_for_bl;
   2336 };
   2337 
   2338 struct radeon_atcs_functions {
   2339 	bool get_ext_state;
   2340 	bool pcie_perf_req;
   2341 	bool pcie_dev_rdy;
   2342 	bool pcie_bus_width;
   2343 };
   2344 
   2345 struct radeon_atcs {
   2346 	struct radeon_atcs_functions functions;
   2347 };
   2348 
   2349 /*
   2350  * Core structure, functions and helpers.
   2351  */
   2352 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
   2353 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
   2354 
   2355 struct radeon_device {
   2356 	struct device			*dev;
   2357 	struct drm_device		*ddev;
   2358 	struct pci_dev			*pdev;
   2359 	struct rw_semaphore		exclusive_lock;
   2360 	/* ASIC */
   2361 	union radeon_asic_config	config;
   2362 	enum radeon_family		family;
   2363 	unsigned long			flags;
   2364 	int				usec_timeout;
   2365 	enum radeon_pll_errata		pll_errata;
   2366 	int				num_gb_pipes;
   2367 	int				num_z_pipes;
   2368 	int				disp_priority;
   2369 	/* BIOS */
   2370 	uint8_t				*bios;
   2371 	bool				is_atom_bios;
   2372 	uint16_t			bios_header_start;
   2373 	struct radeon_bo		*stolen_vga_memory;
   2374 	/* Register mmio */
   2375 #ifndef __NetBSD__
   2376 	resource_size_t			rmmio_base;
   2377 	resource_size_t			rmmio_size;
   2378 #endif
   2379 	/* protects concurrent MM_INDEX/DATA based register access */
   2380 	spinlock_t mmio_idx_lock;
   2381 	/* protects concurrent SMC based register access */
   2382 	spinlock_t smc_idx_lock;
   2383 	/* protects concurrent PLL register access */
   2384 	spinlock_t pll_idx_lock;
   2385 	/* protects concurrent MC register access */
   2386 	spinlock_t mc_idx_lock;
   2387 	/* protects concurrent PCIE register access */
   2388 	spinlock_t pcie_idx_lock;
   2389 	/* protects concurrent PCIE_PORT register access */
   2390 	spinlock_t pciep_idx_lock;
   2391 	/* protects concurrent PIF register access */
   2392 	spinlock_t pif_idx_lock;
   2393 	/* protects concurrent CG register access */
   2394 	spinlock_t cg_idx_lock;
   2395 	/* protects concurrent UVD register access */
   2396 	spinlock_t uvd_idx_lock;
   2397 	/* protects concurrent RCU register access */
   2398 	spinlock_t rcu_idx_lock;
   2399 	/* protects concurrent DIDT register access */
   2400 	spinlock_t didt_idx_lock;
   2401 	/* protects concurrent ENDPOINT (audio) register access */
   2402 	spinlock_t end_idx_lock;
   2403 #ifdef __NetBSD__
   2404 	bus_space_tag_t			rmmio_bst;
   2405 	bus_space_handle_t		rmmio_bsh;
   2406 	bus_addr_t			rmmio_addr;
   2407 	bus_size_t			rmmio_size;
   2408 #else
   2409 	void __iomem			*rmmio;
   2410 #endif
   2411 	radeon_rreg_t			mc_rreg;
   2412 	radeon_wreg_t			mc_wreg;
   2413 	radeon_rreg_t			pll_rreg;
   2414 	radeon_wreg_t			pll_wreg;
   2415 	uint32_t                        pcie_reg_mask;
   2416 	radeon_rreg_t			pciep_rreg;
   2417 	radeon_wreg_t			pciep_wreg;
   2418 	/* io port */
   2419 #ifdef __NetBSD__
   2420 	bus_space_tag_t			rio_mem_bst;
   2421 	bus_space_handle_t		rio_mem_bsh;
   2422 	bus_size_t			rio_mem_size;
   2423 #else
   2424 	void __iomem                    *rio_mem;
   2425 	resource_size_t			rio_mem_size;
   2426 #endif
   2427 	struct radeon_clock             clock;
   2428 	struct radeon_mc		mc;
   2429 	struct radeon_gart		gart;
   2430 	struct radeon_mode_info		mode_info;
   2431 	struct radeon_scratch		scratch;
   2432 	struct radeon_doorbell		doorbell;
   2433 	struct radeon_mman		mman;
   2434 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
   2435 	spinlock_t			fence_lock;
   2436 	drm_waitqueue_t			fence_queue;
   2437 	TAILQ_HEAD(, radeon_fence)	fence_check;
   2438 	u64				fence_context;
   2439 	struct mutex			ring_lock;
   2440 	struct radeon_ring		ring[RADEON_NUM_RINGS];
   2441 	bool				ib_pool_ready;
   2442 	struct radeon_sa_manager	ring_tmp_bo;
   2443 	struct radeon_irq		irq;
   2444 	struct radeon_asic		*asic;
   2445 	struct radeon_gem		gem;
   2446 	struct radeon_pm		pm;
   2447 	struct radeon_uvd		uvd;
   2448 	struct radeon_vce		vce;
   2449 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
   2450 	struct radeon_wb		wb;
   2451 	struct radeon_dummy_page	dummy_page;
   2452 	bool				shutdown;
   2453 	bool				need_swiotlb;
   2454 	bool				accel_working;
   2455 	bool				fastfb_working; /* IGP feature*/
   2456 	bool				needs_reset, in_reset;
   2457 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
   2458 	const struct firmware *me_fw;	/* all family ME firmware */
   2459 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
   2460 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
   2461 	const struct firmware *mc_fw;	/* NI MC firmware */
   2462 	const struct firmware *ce_fw;	/* SI CE firmware */
   2463 	const struct firmware *mec_fw;	/* CIK MEC firmware */
   2464 	const struct firmware *mec2_fw;	/* KV MEC2 firmware */
   2465 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
   2466 	const struct firmware *smc_fw;	/* SMC firmware */
   2467 	const struct firmware *uvd_fw;	/* UVD firmware */
   2468 	const struct firmware *vce_fw;	/* VCE firmware */
   2469 	bool new_fw;
   2470 	struct r600_vram_scratch vram_scratch;
   2471 	int msi_enabled; /* msi enabled */
   2472 	struct r600_ih ih; /* r6/700 interrupt ring */
   2473 	struct radeon_rlc rlc;
   2474 	struct radeon_mec mec;
   2475 	struct delayed_work hotplug_work;
   2476 	struct work_struct dp_work;
   2477 	struct work_struct audio_work;
   2478 	int num_crtc; /* number of crtcs */
   2479 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
   2480 	bool has_uvd;
   2481 	bool has_vce;
   2482 	struct r600_audio audio; /* audio stuff */
   2483 	struct notifier_block acpi_nb;
   2484 	/* only one userspace can use Hyperz features or CMASK at a time */
   2485 	struct drm_file *hyperz_filp;
   2486 	struct drm_file *cmask_filp;
   2487 	/* i2c buses */
   2488 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
   2489 	/* debugfs */
   2490 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
   2491 	unsigned 		debugfs_count;
   2492 	/* virtual memory */
   2493 	struct radeon_vm_manager	vm_manager;
   2494 	struct mutex			gpu_clock_mutex;
   2495 	/* memory stats */
   2496 	atomic64_t			vram_usage;
   2497 	atomic64_t			gtt_usage;
   2498 	atomic64_t			num_bytes_moved;
   2499 	atomic_t			gpu_reset_counter;
   2500 	/* ACPI interface */
   2501 	struct radeon_atif		atif;
   2502 	struct radeon_atcs		atcs;
   2503 	/* srbm instance registers */
   2504 	struct mutex			srbm_mutex;
   2505 	/* clock, powergating flags */
   2506 	u32 cg_flags;
   2507 	u32 pg_flags;
   2508 
   2509 	struct dev_pm_domain vga_pm_domain;
   2510 	bool have_disp_power_ref;
   2511 	u32 px_quirk_flags;
   2512 
   2513 	/* tracking pinned memory */
   2514 	u64 vram_pin_size;
   2515 	u64 gart_pin_size;
   2516 };
   2517 
   2518 bool radeon_is_px(struct drm_device *dev);
   2519 int radeon_device_init(struct radeon_device *rdev,
   2520 		       struct drm_device *ddev,
   2521 		       struct pci_dev *pdev,
   2522 		       uint32_t flags);
   2523 void radeon_device_fini(struct radeon_device *rdev);
   2524 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
   2525 
   2526 #define RADEON_MIN_MMIO_SIZE 0x10000
   2527 
   2528 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg);
   2529 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v);
   2530 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
   2531 				    bool always_indirect)
   2532 {
   2533 	/* The mmio size is 64kb at minimum. Allows the if to be optimized out. */
   2534 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
   2535 #ifdef __NetBSD__
   2536 		return bus_space_read_4(rdev->rmmio_bst, rdev->rmmio_bsh, reg);
   2537 #else
   2538 		return readl(((void __iomem *)rdev->rmmio) + reg);
   2539 #endif
   2540 	else
   2541 		return r100_mm_rreg_slow(rdev, reg);
   2542 }
   2543 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
   2544 				bool always_indirect)
   2545 {
   2546 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
   2547 #ifdef __NetBSD__
   2548 		bus_space_write_4(rdev->rmmio_bst, rdev->rmmio_bsh, reg, v);
   2549 #else
   2550 		writel(v, ((void __iomem *)rdev->rmmio) + reg);
   2551 #endif
   2552 	else
   2553 		r100_mm_wreg_slow(rdev, reg, v);
   2554 }
   2555 
   2556 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
   2557 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2558 
   2559 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
   2560 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
   2561 
   2562 /*
   2563  * Cast helper
   2564  */
   2565 extern const struct dma_fence_ops radeon_fence_ops;
   2566 
   2567 static inline struct radeon_fence *to_radeon_fence(struct dma_fence *f)
   2568 {
   2569 	struct radeon_fence *__f = container_of(f, struct radeon_fence, base);
   2570 
   2571 	if (__f->base.ops == &radeon_fence_ops)
   2572 		return __f;
   2573 
   2574 	return NULL;
   2575 }
   2576 
   2577 /*
   2578  * Registers read & write functions.
   2579  */
   2580 #ifdef __NetBSD__
   2581 #define	RREG8(r) bus_space_read_1(rdev->rmmio_bst, rdev->rmmio_bsh, (r))
   2582 #define	WREG8(r, v) bus_space_write_1(rdev->rmmio_bst, rdev->rmmio_bsh, (r), (v))
   2583 #define	RREG16(r) bus_space_read_2(rdev->rmmio_bst, rdev->rmmio_bsh, (r))
   2584 #define	WREG16(r, v) bus_space_write_2(rdev->rmmio_bst, rdev->rmmio_bsh, (r), (v))
   2585 #else
   2586 #define RREG8(reg) readb((rdev->rmmio) + (reg))
   2587 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
   2588 #define RREG16(reg) readw((rdev->rmmio) + (reg))
   2589 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
   2590 #endif
   2591 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
   2592 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
   2593 #define DREG32(reg) pr_info("REGISTER: " #reg " : 0x%08X\n",	\
   2594 			    r100_mm_rreg(rdev, (reg), false))
   2595 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
   2596 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
   2597 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
   2598 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
   2599 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
   2600 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
   2601 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
   2602 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
   2603 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
   2604 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
   2605 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
   2606 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
   2607 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
   2608 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
   2609 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
   2610 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
   2611 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
   2612 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
   2613 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
   2614 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
   2615 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
   2616 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
   2617 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
   2618 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
   2619 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
   2620 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
   2621 #define WREG32_P(reg, val, mask)				\
   2622 	do {							\
   2623 		uint32_t tmp_ = RREG32(reg);			\
   2624 		tmp_ &= (mask);					\
   2625 		tmp_ |= ((val) & ~(mask));			\
   2626 		WREG32(reg, tmp_);				\
   2627 	} while (0)
   2628 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
   2629 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
   2630 #define WREG32_PLL_P(reg, val, mask)				\
   2631 	do {							\
   2632 		uint32_t tmp_ = RREG32_PLL(reg);		\
   2633 		tmp_ &= (mask);					\
   2634 		tmp_ |= ((val) & ~(mask));			\
   2635 		WREG32_PLL(reg, tmp_);				\
   2636 	} while (0)
   2637 #define WREG32_SMC_P(reg, val, mask)				\
   2638 	do {							\
   2639 		uint32_t tmp_ = RREG32_SMC(reg);		\
   2640 		tmp_ &= (mask);					\
   2641 		tmp_ |= ((val) & ~(mask));			\
   2642 		WREG32_SMC(reg, tmp_);				\
   2643 	} while (0)
   2644 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
   2645 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
   2646 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
   2647 
   2648 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
   2649 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
   2650 
   2651 /*
   2652  * Indirect registers accessors.
   2653  * They used to be inlined, but this increases code size by ~65 kbytes.
   2654  * Since each performs a pair of MMIO ops
   2655  * within a spin_lock_irqsave/spin_unlock_irqrestore region,
   2656  * the cost of call+ret is almost negligible. MMIO and locking
   2657  * costs several dozens of cycles each at best, call+ret is ~5 cycles.
   2658  */
   2659 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg);
   2660 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
   2661 u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg);
   2662 void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2663 u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg);
   2664 void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2665 u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg);
   2666 void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2667 u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg);
   2668 void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2669 u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg);
   2670 void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2671 u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg);
   2672 void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2673 u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg);
   2674 void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v);
   2675 
   2676 void r100_pll_errata_after_index(struct radeon_device *rdev);
   2677 
   2678 
   2679 /*
   2680  * ASICs helpers.
   2681  */
   2682 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
   2683 			    (rdev->pdev->device == 0x5969))
   2684 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
   2685 		(rdev->family == CHIP_RV200) || \
   2686 		(rdev->family == CHIP_RS100) || \
   2687 		(rdev->family == CHIP_RS200) || \
   2688 		(rdev->family == CHIP_RV250) || \
   2689 		(rdev->family == CHIP_RV280) || \
   2690 		(rdev->family == CHIP_RS300))
   2691 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
   2692 		(rdev->family == CHIP_RV350) ||			\
   2693 		(rdev->family == CHIP_R350)  ||			\
   2694 		(rdev->family == CHIP_RV380) ||			\
   2695 		(rdev->family == CHIP_R420)  ||			\
   2696 		(rdev->family == CHIP_R423)  ||			\
   2697 		(rdev->family == CHIP_RV410) ||			\
   2698 		(rdev->family == CHIP_RS400) ||			\
   2699 		(rdev->family == CHIP_RS480))
   2700 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
   2701 		(rdev->ddev->pdev->device == 0x9443) || \
   2702 		(rdev->ddev->pdev->device == 0x944B) || \
   2703 		(rdev->ddev->pdev->device == 0x9506) || \
   2704 		(rdev->ddev->pdev->device == 0x9509) || \
   2705 		(rdev->ddev->pdev->device == 0x950F) || \
   2706 		(rdev->ddev->pdev->device == 0x689C) || \
   2707 		(rdev->ddev->pdev->device == 0x689D))
   2708 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
   2709 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
   2710 			    (rdev->family == CHIP_RS690)  ||	\
   2711 			    (rdev->family == CHIP_RS740)  ||	\
   2712 			    (rdev->family >= CHIP_R600))
   2713 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
   2714 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
   2715 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
   2716 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
   2717 			     (rdev->flags & RADEON_IS_IGP))
   2718 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
   2719 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
   2720 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
   2721 			     (rdev->flags & RADEON_IS_IGP))
   2722 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
   2723 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
   2724 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
   2725 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
   2726 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
   2727 #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
   2728 			     (rdev->family == CHIP_MULLINS))
   2729 
   2730 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
   2731 			      (rdev->ddev->pdev->device == 0x6850) || \
   2732 			      (rdev->ddev->pdev->device == 0x6858) || \
   2733 			      (rdev->ddev->pdev->device == 0x6859) || \
   2734 			      (rdev->ddev->pdev->device == 0x6840) || \
   2735 			      (rdev->ddev->pdev->device == 0x6841) || \
   2736 			      (rdev->ddev->pdev->device == 0x6842) || \
   2737 			      (rdev->ddev->pdev->device == 0x6843))
   2738 
   2739 /*
   2740  * BIOS helpers.
   2741  */
   2742 #define RBIOS8(i) (rdev->bios[i])
   2743 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
   2744 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
   2745 
   2746 int radeon_combios_init(struct radeon_device *rdev);
   2747 void radeon_combios_fini(struct radeon_device *rdev);
   2748 int radeon_atombios_init(struct radeon_device *rdev);
   2749 void radeon_atombios_fini(struct radeon_device *rdev);
   2750 
   2751 
   2752 /*
   2753  * RING helpers.
   2754  */
   2755 
   2756 /**
   2757  * radeon_ring_write - write a value to the ring
   2758  *
   2759  * @ring: radeon_ring structure holding ring information
   2760  * @v: dword (dw) value to write
   2761  *
   2762  * Write a value to the requested ring buffer (all asics).
   2763  */
   2764 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
   2765 {
   2766 	if (ring->count_dw <= 0)
   2767 		DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
   2768 
   2769 	ring->ring[ring->wptr++] = v;
   2770 	ring->wptr &= ring->ptr_mask;
   2771 	ring->count_dw--;
   2772 	ring->ring_free_dw--;
   2773 }
   2774 
   2775 /*
   2776  * ASICs macro.
   2777  */
   2778 #define radeon_init(rdev) (rdev)->asic->init((rdev))
   2779 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
   2780 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
   2781 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
   2782 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
   2783 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
   2784 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev), false)
   2785 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
   2786 #define radeon_gart_get_page_entry(a, f) (rdev)->asic->gart.get_page_entry((a), (f))
   2787 #define radeon_gart_set_page(rdev, i, e) (rdev)->asic->gart.set_page((rdev), (i), (e))
   2788 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
   2789 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
   2790 #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
   2791 #define radeon_asic_vm_write_pages(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.write_pages((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
   2792 #define radeon_asic_vm_set_pages(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_pages((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
   2793 #define radeon_asic_vm_pad_ib(rdev, ib) ((rdev)->asic->vm.pad_ib((ib)))
   2794 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
   2795 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
   2796 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
   2797 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
   2798 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
   2799 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
   2800 #define radeon_ring_vm_flush(rdev, r, vm_id, pd_addr) (rdev)->asic->ring[(r)->idx]->vm_flush((rdev), (r), (vm_id), (pd_addr))
   2801 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
   2802 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
   2803 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
   2804 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
   2805 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
   2806 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
   2807 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
   2808 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
   2809 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
   2810 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
   2811 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
   2812 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
   2813 #define radeon_copy_blit(rdev, s, d, np, resv) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (resv))
   2814 #define radeon_copy_dma(rdev, s, d, np, resv) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (resv))
   2815 #define radeon_copy(rdev, s, d, np, resv) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (resv))
   2816 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
   2817 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
   2818 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
   2819 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
   2820 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
   2821 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
   2822 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
   2823 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
   2824 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
   2825 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
   2826 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
   2827 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
   2828 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
   2829 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
   2830 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
   2831 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
   2832 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
   2833 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
   2834 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
   2835 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
   2836 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
   2837 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
   2838 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
   2839 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
   2840 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
   2841 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
   2842 #define radeon_page_flip(rdev, crtc, base, async) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base), (async))
   2843 #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
   2844 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
   2845 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
   2846 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
   2847 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
   2848 #define radeon_get_allowed_info_register(rdev, r, v) (rdev)->asic->get_allowed_info_register((rdev), (r), (v))
   2849 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
   2850 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
   2851 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
   2852 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
   2853 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
   2854 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
   2855 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
   2856 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
   2857 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
   2858 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
   2859 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
   2860 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
   2861 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
   2862 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
   2863 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
   2864 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
   2865 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
   2866 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
   2867 #define radeon_dpm_get_current_sclk(rdev) rdev->asic->dpm.get_current_sclk((rdev))
   2868 #define radeon_dpm_get_current_mclk(rdev) rdev->asic->dpm.get_current_mclk((rdev))
   2869 
   2870 /* Common functions */
   2871 /* AGP */
   2872 extern int radeon_gpu_reset(struct radeon_device *rdev);
   2873 extern void radeon_pci_config_reset(struct radeon_device *rdev);
   2874 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
   2875 extern void radeon_agp_disable(struct radeon_device *rdev);
   2876 extern int radeon_modeset_init(struct radeon_device *rdev);
   2877 extern void radeon_modeset_fini(struct radeon_device *rdev);
   2878 extern bool radeon_card_posted(struct radeon_device *rdev);
   2879 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
   2880 extern void radeon_update_display_priority(struct radeon_device *rdev);
   2881 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
   2882 extern void radeon_scratch_init(struct radeon_device *rdev);
   2883 extern void radeon_wb_fini(struct radeon_device *rdev);
   2884 extern int radeon_wb_init(struct radeon_device *rdev);
   2885 extern void radeon_wb_disable(struct radeon_device *rdev);
   2886 extern void radeon_surface_init(struct radeon_device *rdev);
   2887 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
   2888 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
   2889 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
   2890 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
   2891 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
   2892 extern int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
   2893 				     uint32_t flags);
   2894 extern bool radeon_ttm_tt_has_userptr(struct ttm_tt *ttm);
   2895 extern bool radeon_ttm_tt_is_readonly(struct ttm_tt *ttm);
   2896 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
   2897 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
   2898 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
   2899 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend,
   2900 			      bool fbcon, bool freeze);
   2901 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
   2902 extern void radeon_program_register_sequence(struct radeon_device *rdev,
   2903 					     const u32 *registers,
   2904 					     const u32 array_size);
   2905 
   2906 /*
   2907  * vm
   2908  */
   2909 int radeon_vm_manager_init(struct radeon_device *rdev);
   2910 void radeon_vm_manager_fini(struct radeon_device *rdev);
   2911 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
   2912 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
   2913 struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
   2914 					  struct radeon_vm *vm,
   2915                                           struct list_head *head);
   2916 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
   2917 				       struct radeon_vm *vm, int ring);
   2918 void radeon_vm_flush(struct radeon_device *rdev,
   2919                      struct radeon_vm *vm,
   2920 		     int ring, struct radeon_fence *fence);
   2921 void radeon_vm_fence(struct radeon_device *rdev,
   2922 		     struct radeon_vm *vm,
   2923 		     struct radeon_fence *fence);
   2924 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
   2925 int radeon_vm_update_page_directory(struct radeon_device *rdev,
   2926 				    struct radeon_vm *vm);
   2927 int radeon_vm_clear_freed(struct radeon_device *rdev,
   2928 			  struct radeon_vm *vm);
   2929 int radeon_vm_clear_invalids(struct radeon_device *rdev,
   2930 			     struct radeon_vm *vm);
   2931 int radeon_vm_bo_update(struct radeon_device *rdev,
   2932 			struct radeon_bo_va *bo_va,
   2933 			struct ttm_mem_reg *mem);
   2934 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
   2935 			     struct radeon_bo *bo);
   2936 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
   2937 				       struct radeon_bo *bo);
   2938 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
   2939 				      struct radeon_vm *vm,
   2940 				      struct radeon_bo *bo);
   2941 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
   2942 			  struct radeon_bo_va *bo_va,
   2943 			  uint64_t offset,
   2944 			  uint32_t flags);
   2945 void radeon_vm_bo_rmv(struct radeon_device *rdev,
   2946 		      struct radeon_bo_va *bo_va);
   2947 
   2948 /* audio */
   2949 void r600_audio_update_hdmi(struct work_struct *work);
   2950 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
   2951 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
   2952 void r600_audio_enable(struct radeon_device *rdev,
   2953 		       struct r600_audio_pin *pin,
   2954 		       u8 enable_mask);
   2955 void dce6_audio_enable(struct radeon_device *rdev,
   2956 		       struct r600_audio_pin *pin,
   2957 		       u8 enable_mask);
   2958 
   2959 /*
   2960  * R600 vram scratch functions
   2961  */
   2962 int r600_vram_scratch_init(struct radeon_device *rdev);
   2963 void r600_vram_scratch_fini(struct radeon_device *rdev);
   2964 
   2965 /*
   2966  * r600 cs checking helper
   2967  */
   2968 unsigned r600_mip_minify(unsigned size, unsigned level);
   2969 bool r600_fmt_is_valid_color(u32 format);
   2970 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
   2971 int r600_fmt_get_blocksize(u32 format);
   2972 int r600_fmt_get_nblocksx(u32 format, u32 w);
   2973 int r600_fmt_get_nblocksy(u32 format, u32 h);
   2974 
   2975 /*
   2976  * r600 functions used by radeon_encoder.c
   2977  */
   2978 struct radeon_hdmi_acr {
   2979 	u32 clock;
   2980 
   2981 	int n_32khz;
   2982 	int cts_32khz;
   2983 
   2984 	int n_44_1khz;
   2985 	int cts_44_1khz;
   2986 
   2987 	int n_48khz;
   2988 	int cts_48khz;
   2989 
   2990 };
   2991 
   2992 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
   2993 
   2994 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
   2995 				     u32 tiling_pipe_num,
   2996 				     u32 max_rb_num,
   2997 				     u32 total_max_rb_num,
   2998 				     u32 enabled_rb_mask);
   2999 
   3000 /*
   3001  * evergreen functions used by radeon_encoder.c
   3002  */
   3003 
   3004 extern int ni_init_microcode(struct radeon_device *rdev);
   3005 extern int ni_mc_load_microcode(struct radeon_device *rdev);
   3006 
   3007 /* radeon_acpi.c */
   3008 #if defined(CONFIG_ACPI)
   3009 extern int radeon_acpi_init(struct radeon_device *rdev);
   3010 extern void radeon_acpi_fini(struct radeon_device *rdev);
   3011 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
   3012 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
   3013 						u8 perf_req, bool advertise);
   3014 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
   3015 #else
   3016 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
   3017 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
   3018 #endif
   3019 
   3020 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
   3021 			   struct radeon_cs_packet *pkt,
   3022 			   unsigned idx);
   3023 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
   3024 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
   3025 			   struct radeon_cs_packet *pkt);
   3026 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
   3027 				struct radeon_bo_list **cs_reloc,
   3028 				int nomm);
   3029 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
   3030 			       uint32_t *vline_start_end,
   3031 			       uint32_t *vline_status);
   3032 
   3033 /* interrupt control register helpers */
   3034 void radeon_irq_kms_set_irq_n_enabled(struct radeon_device *rdev,
   3035 				      u32 reg, u32 mask,
   3036 				      bool enable, const char *name,
   3037 				      unsigned n);
   3038 
   3039 #include "radeon_object.h"
   3040 
   3041 #endif
   3042