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  1/*
  2 * Copyright 2016 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 */
 23
 24#ifndef __AMDGPU_VCN_H__
 25#define __AMDGPU_VCN_H__
 26
 27#define AMDGPU_VCN_STACK_SIZE		(128*1024)
 28#define AMDGPU_VCN_CONTEXT_SIZE 	(512*1024)
 29
 30#define AMDGPU_VCN_FIRMWARE_OFFSET	256
 31#define AMDGPU_VCN_MAX_ENC_RINGS	3
 32
 33#define AMDGPU_MAX_VCN_INSTANCES	2
 34#define AMDGPU_MAX_VCN_ENC_RINGS  AMDGPU_VCN_MAX_ENC_RINGS * AMDGPU_MAX_VCN_INSTANCES
 35
 36#define AMDGPU_VCN_HARVEST_VCN0 (1 << 0)
 37#define AMDGPU_VCN_HARVEST_VCN1 (1 << 1)
 38
 39#define VCN_DEC_KMD_CMD 		0x80000000
 40#define VCN_DEC_CMD_FENCE		0x00000000
 41#define VCN_DEC_CMD_TRAP		0x00000001
 42#define VCN_DEC_CMD_WRITE_REG		0x00000004
 43#define VCN_DEC_CMD_REG_READ_COND_WAIT	0x00000006
 44#define VCN_DEC_CMD_PACKET_START	0x0000000a
 45#define VCN_DEC_CMD_PACKET_END		0x0000000b
 46
 47#define VCN_ENC_CMD_NO_OP		0x00000000
 48#define VCN_ENC_CMD_END 		0x00000001
 49#define VCN_ENC_CMD_IB			0x00000002
 50#define VCN_ENC_CMD_FENCE		0x00000003
 51#define VCN_ENC_CMD_TRAP		0x00000004
 52#define VCN_ENC_CMD_REG_WRITE		0x0000000b
 53#define VCN_ENC_CMD_REG_WAIT		0x0000000c
 54
 55#define VCN_VID_SOC_ADDRESS_2_0 	0x1fa00
 56#define VCN1_VID_SOC_ADDRESS_3_0 	0x48200
 57#define VCN_AON_SOC_ADDRESS_2_0 	0x1f800
 58#define VCN1_AON_SOC_ADDRESS_3_0 	0x48000
 59#define VCN_VID_IP_ADDRESS_2_0		0x0
 60#define VCN_AON_IP_ADDRESS_2_0		0x30000
 61
 62#define mmUVD_RBC_XX_IB_REG_CHECK 					0x026b
 63#define mmUVD_RBC_XX_IB_REG_CHECK_BASE_IDX 				1
 64#define mmUVD_REG_XX_MASK 						0x026c
 65#define mmUVD_REG_XX_MASK_BASE_IDX 					1
 66
 67/* 1 second timeout */
 68#define VCN_IDLE_TIMEOUT	msecs_to_jiffies(1000)
 69
 70#define RREG32_SOC15_DPG_MODE_1_0(ip, inst_idx, reg, mask, sram_sel) 			\
 71	({	WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_MASK, mask); 			\
 72		WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_CTL, 				\
 73			UVD_DPG_LMA_CTL__MASK_EN_MASK | 				\
 74			((adev->reg_offset[ip##_HWIP][inst_idx][reg##_BASE_IDX] + reg) 	\
 75			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | 			\
 76			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); 		\
 77		RREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_DATA); 			\
 78	})
 79
 80#define WREG32_SOC15_DPG_MODE_1_0(ip, inst_idx, reg, value, mask, sram_sel) 		\
 81	do { 										\
 82		WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_DATA, value); 			\
 83		WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_MASK, mask); 			\
 84		WREG32_SOC15(ip, inst_idx, mmUVD_DPG_LMA_CTL, 				\
 85			UVD_DPG_LMA_CTL__READ_WRITE_MASK | 				\
 86			((adev->reg_offset[ip##_HWIP][inst_idx][reg##_BASE_IDX] + reg) 	\
 87			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | 			\
 88			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); 		\
 89	} while (0)
 90
 91#define SOC15_DPG_MODE_OFFSET(ip, inst_idx, reg) 						\
 92	({											\
 93		uint32_t internal_reg_offset, addr;						\
 94		bool video_range, video1_range, aon_range, aon1_range;				\
 95												\
 96		addr = (adev->reg_offset[ip##_HWIP][inst_idx][reg##_BASE_IDX] + reg);		\
 97		addr <<= 2; 									\
 98		video_range = ((((0xFFFFF & addr) >= (VCN_VID_SOC_ADDRESS_2_0)) && 		\
 99				((0xFFFFF & addr) < ((VCN_VID_SOC_ADDRESS_2_0 + 0x2600)))));	\
100		video1_range = ((((0xFFFFF & addr) >= (VCN1_VID_SOC_ADDRESS_3_0)) && 		\
101				((0xFFFFF & addr) < ((VCN1_VID_SOC_ADDRESS_3_0 + 0x2600)))));	\
102		aon_range   = ((((0xFFFFF & addr) >= (VCN_AON_SOC_ADDRESS_2_0)) && 		\
103				((0xFFFFF & addr) < ((VCN_AON_SOC_ADDRESS_2_0 + 0x600)))));	\
104		aon1_range   = ((((0xFFFFF & addr) >= (VCN1_AON_SOC_ADDRESS_3_0)) && 		\
105				((0xFFFFF & addr) < ((VCN1_AON_SOC_ADDRESS_3_0 + 0x600)))));	\
106		if (video_range) 								\
107			internal_reg_offset = ((0xFFFFF & addr) - (VCN_VID_SOC_ADDRESS_2_0) + 	\
108				(VCN_VID_IP_ADDRESS_2_0));					\
109		else if (aon_range)								\
110			internal_reg_offset = ((0xFFFFF & addr) - (VCN_AON_SOC_ADDRESS_2_0) + 	\
111				(VCN_AON_IP_ADDRESS_2_0));					\
112		else if (video1_range) 								\
113			internal_reg_offset = ((0xFFFFF & addr) - (VCN1_VID_SOC_ADDRESS_3_0) + 	\
114				(VCN_VID_IP_ADDRESS_2_0));					\
115		else if (aon1_range)								\
116			internal_reg_offset = ((0xFFFFF & addr) - (VCN1_AON_SOC_ADDRESS_3_0) + 	\
117				(VCN_AON_IP_ADDRESS_2_0));					\
118		else										\
119			internal_reg_offset = (0xFFFFF & addr);					\
120												\
121		internal_reg_offset >>= 2;							\
122	})
123
124#define RREG32_SOC15_DPG_MODE(inst_idx, offset, mask_en) 					\
125	({											\
126		WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_CTL, 					\
127			(0x0 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT |				\
128			mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT |				\
129			offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT));			\
130		RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_DATA);				\
131	})
132
133#define WREG32_SOC15_DPG_MODE(inst_idx, offset, value, mask_en, indirect)			\
134	do {											\
135		if (!indirect) {								\
136			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_DATA, value);			\
137			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_LMA_CTL, 				\
138				(0x1 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT |			\
139				 mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT |			\
140				 offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT));		\
141		} else {									\
142			*adev->vcn.inst[inst_idx].dpg_sram_curr_addr++ = offset;		\
143			*adev->vcn.inst[inst_idx].dpg_sram_curr_addr++ = value;			\
144		}										\
145	} while (0)
146
147#define AMDGPU_VCN_MULTI_QUEUE_FLAG	(1 << 8)
148
149enum fw_queue_mode {
150	FW_QUEUE_RING_RESET = 1,
151	FW_QUEUE_DPG_HOLD_OFF = 2,
152};
153
154enum engine_status_constants {
155	UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0,
156	UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0 = 0xAAAA0,
157	UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0 = 0x2A2A8AA0,
158	UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON = 0x00000002,
159	UVD_STATUS__UVD_BUSY = 0x00000004,
160	GB_ADDR_CONFIG_DEFAULT = 0x26010011,
161	UVD_STATUS__IDLE = 0x2,
162	UVD_STATUS__BUSY = 0x5,
163	UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF = 0x1,
164	UVD_STATUS__RBC_BUSY = 0x1,
165	UVD_PGFSM_STATUS_UVDJ_PWR_ON = 0,
166};
167
168enum internal_dpg_state {
169	VCN_DPG_STATE__UNPAUSE = 0,
170	VCN_DPG_STATE__PAUSE,
171};
172
173struct dpg_pause_state {
174	enum internal_dpg_state fw_based;
175	enum internal_dpg_state jpeg;
176};
177
178struct amdgpu_vcn_reg{
179	unsigned	data0;
180	unsigned	data1;
181	unsigned	cmd;
182	unsigned	nop;
183	unsigned	context_id;
184	unsigned	ib_vmid;
185	unsigned	ib_bar_low;
186	unsigned	ib_bar_high;
187	unsigned	ib_size;
188	unsigned	gp_scratch8;
189	unsigned	scratch9;
190};
191
192struct amdgpu_vcn_inst {
193	struct amdgpu_bo	*vcpu_bo;
194	void			*cpu_addr;
195	uint64_t		gpu_addr;
196	void			*saved_bo;
197	struct amdgpu_ring	ring_dec;
198	struct amdgpu_ring	ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
199	struct amdgpu_irq_src	irq;
200	struct amdgpu_vcn_reg	external;
201	struct amdgpu_bo	*dpg_sram_bo;
202	struct dpg_pause_state	pause_state;
203	void			*dpg_sram_cpu_addr;
204	uint64_t		dpg_sram_gpu_addr;
205	uint32_t		*dpg_sram_curr_addr;
206	atomic_t		dpg_enc_submission_cnt;
207	void			*fw_shared_cpu_addr;
208	uint64_t		fw_shared_gpu_addr;
209};
210
211struct amdgpu_vcn {
212	unsigned		fw_version;
213	struct delayed_work	idle_work;
214	const struct firmware	*fw;	/* VCN firmware */
215	unsigned		num_enc_rings;
216	enum amd_powergating_state cur_state;
217	bool			indirect_sram;
218
219	uint8_t	num_vcn_inst;
220	struct amdgpu_vcn_inst	 inst[AMDGPU_MAX_VCN_INSTANCES];
221	struct amdgpu_vcn_reg	 internal;
222	struct mutex		 vcn_pg_lock;
223	atomic_t		 total_submission_cnt;
224
225	unsigned	harvest_config;
226	int (*pause_dpg_mode)(struct amdgpu_device *adev,
227		int inst_idx, struct dpg_pause_state *new_state);
228};
229
230struct amdgpu_fw_shared_multi_queue {
231	uint8_t decode_queue_mode;
232	uint8_t encode_generalpurpose_queue_mode;
233	uint8_t encode_lowlatency_queue_mode;
234	uint8_t encode_realtime_queue_mode;
235	uint8_t padding[4];
236};
237
238struct amdgpu_fw_shared {
239	uint32_t present_flag_0;
240	uint8_t pad[53];
241	struct amdgpu_fw_shared_multi_queue multi_queue;
242} __attribute__((__packed__));
243
244int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
245int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
246int amdgpu_vcn_suspend(struct amdgpu_device *adev);
247int amdgpu_vcn_resume(struct amdgpu_device *adev);
248void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
249void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
250
251int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
252int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
253
254int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
255int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
256
257#endif