xref: /linux/drivers/gpu/drm/amd/amdgpu/vpe_v6_1.c (revision 1e525507)
1 /*
2  * Copyright 2022 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 #include <linux/firmware.h>
24 #include <drm/drm_drv.h>
25 
26 #include "amdgpu.h"
27 #include "amdgpu_ucode.h"
28 #include "amdgpu_vpe.h"
29 #include "vpe_v6_1.h"
30 #include "soc15_common.h"
31 #include "ivsrcid/vpe/irqsrcs_vpe_6_1.h"
32 #include "vpe/vpe_6_1_0_offset.h"
33 #include "vpe/vpe_6_1_0_sh_mask.h"
34 
35 MODULE_FIRMWARE("amdgpu/vpe_6_1_0.bin");
36 MODULE_FIRMWARE("amdgpu/vpe_6_1_1.bin");
37 
38 #define VPE_THREAD1_UCODE_OFFSET	0x8000
39 
40 #define regVPEC_COLLABORATE_CNTL                                                0x0013
41 #define regVPEC_COLLABORATE_CNTL_BASE_IDX                                       0
42 #define VPEC_COLLABORATE_CNTL__COLLABORATE_MODE_EN__SHIFT                       0x0
43 #define VPEC_COLLABORATE_CNTL__COLLABORATE_MODE_EN_MASK                         0x00000001L
44 
45 #define regVPEC_COLLABORATE_CFG                                                 0x0014
46 #define regVPEC_COLLABORATE_CFG_BASE_IDX                                        0
47 #define VPEC_COLLABORATE_CFG__MASTER_ID__SHIFT                                  0x0
48 #define VPEC_COLLABORATE_CFG__MASTER_EN__SHIFT                                  0x3
49 #define VPEC_COLLABORATE_CFG__SLAVE0_ID__SHIFT                                  0x4
50 #define VPEC_COLLABORATE_CFG__SLAVE0_EN__SHIFT                                  0x7
51 #define VPEC_COLLABORATE_CFG__MASTER_ID_MASK                                    0x00000007L
52 #define VPEC_COLLABORATE_CFG__MASTER_EN_MASK                                    0x00000008L
53 #define VPEC_COLLABORATE_CFG__SLAVE0_ID_MASK                                    0x00000070L
54 #define VPEC_COLLABORATE_CFG__SLAVE0_EN_MASK                                    0x00000080L
55 
56 #define regVPEC_CNTL_6_1_1                                                      0x0016
57 #define regVPEC_CNTL_6_1_1_BASE_IDX                                             0
58 #define regVPEC_QUEUE_RESET_REQ_6_1_1                                           0x002c
59 #define regVPEC_QUEUE_RESET_REQ_6_1_1_BASE_IDX                                  0
60 #define regVPEC_PUB_DUMMY2_6_1_1                                                0x004c
61 #define regVPEC_PUB_DUMMY2_6_1_1_BASE_IDX                                       0
62 
63 static uint32_t vpe_v6_1_get_reg_offset(struct amdgpu_vpe *vpe, uint32_t inst, uint32_t offset)
64 {
65 	uint32_t base;
66 
67 	base = vpe->ring.adev->reg_offset[VPE_HWIP][inst][0];
68 
69 	return base + offset;
70 }
71 
72 static void vpe_v6_1_halt(struct amdgpu_vpe *vpe, bool halt)
73 {
74 	struct amdgpu_device *adev = vpe->ring.adev;
75 	uint32_t i, f32_cntl;
76 
77 	for (i = 0; i < vpe->num_instances; i++) {
78 		f32_cntl = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_F32_CNTL));
79 		f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, HALT, halt ? 1 : 0);
80 		f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, TH1_RESET, halt ? 1 : 0);
81 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_F32_CNTL), f32_cntl);
82 	}
83 }
84 
85 static int vpe_v6_1_irq_init(struct amdgpu_vpe *vpe)
86 {
87 	struct amdgpu_device *adev = container_of(vpe, struct amdgpu_device, vpe);
88 	int ret;
89 
90 	ret = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VPE,
91 				VPE_6_1_SRCID__VPE_TRAP,
92 				&adev->vpe.trap_irq);
93 	if (ret)
94 		return ret;
95 
96 	return 0;
97 }
98 
99 static void vpe_v6_1_set_collaborate_mode(struct amdgpu_vpe *vpe, bool enable)
100 {
101 	struct amdgpu_device *adev = vpe->ring.adev;
102 	uint32_t vpe_colla_cntl, vpe_colla_cfg, i;
103 
104 	if (!vpe->collaborate_mode)
105 		return;
106 
107 	for (i = 0; i < vpe->num_instances; i++) {
108 		vpe_colla_cntl = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_COLLABORATE_CNTL));
109 		vpe_colla_cntl = REG_SET_FIELD(vpe_colla_cntl, VPEC_COLLABORATE_CNTL,
110 					       COLLABORATE_MODE_EN, enable ? 1 : 0);
111 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_COLLABORATE_CNTL), vpe_colla_cntl);
112 
113 		vpe_colla_cfg = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_COLLABORATE_CFG));
114 		vpe_colla_cfg = REG_SET_FIELD(vpe_colla_cfg, VPEC_COLLABORATE_CFG, MASTER_ID, 0);
115 		vpe_colla_cfg = REG_SET_FIELD(vpe_colla_cfg, VPEC_COLLABORATE_CFG, MASTER_EN, enable ? 1 : 0);
116 		vpe_colla_cfg = REG_SET_FIELD(vpe_colla_cfg, VPEC_COLLABORATE_CFG, SLAVE0_ID, 1);
117 		vpe_colla_cfg = REG_SET_FIELD(vpe_colla_cfg, VPEC_COLLABORATE_CFG, SLAVE0_EN, enable ? 1 : 0);
118 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_COLLABORATE_CFG), vpe_colla_cfg);
119 	}
120 }
121 
122 static int vpe_v6_1_load_microcode(struct amdgpu_vpe *vpe)
123 {
124 	struct amdgpu_device *adev = vpe->ring.adev;
125 	const struct vpe_firmware_header_v1_0 *vpe_hdr;
126 	const __le32 *data;
127 	uint32_t ucode_offset[2], ucode_size[2];
128 	uint32_t i, j, size_dw;
129 	uint32_t ret;
130 
131 	/* disable UMSCH_INT_ENABLE */
132 	for (j = 0; j < vpe->num_instances; j++) {
133 
134 		if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1))
135 			ret = RREG32(vpe_get_reg_offset(vpe, j, regVPEC_CNTL_6_1_1));
136 		else
137 			ret = RREG32(vpe_get_reg_offset(vpe, j, regVPEC_CNTL));
138 
139 		ret = REG_SET_FIELD(ret, VPEC_CNTL, UMSCH_INT_ENABLE, 0);
140 
141 		if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1))
142 			WREG32(vpe_get_reg_offset(vpe, j, regVPEC_CNTL_6_1_1), ret);
143 		else
144 			WREG32(vpe_get_reg_offset(vpe, j, regVPEC_CNTL), ret);
145 	}
146 
147 	/*
148 	 * For VPE 6.1.1, still only need to add master's offset, and psp will apply it to slave as well.
149 	 * Here use instance 0 as master.
150 	 */
151 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
152 		uint32_t f32_offset, f32_cntl;
153 
154 		f32_offset = vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL);
155 		f32_cntl = RREG32(f32_offset);
156 		f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, HALT, 0);
157 		f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, TH1_RESET, 0);
158 
159 		adev->vpe.cmdbuf_cpu_addr[0] = f32_offset;
160 		adev->vpe.cmdbuf_cpu_addr[1] = f32_cntl;
161 
162 		amdgpu_vpe_psp_update_sram(adev);
163 		vpe_v6_1_set_collaborate_mode(vpe, true);
164 		amdgpu_vpe_configure_dpm(vpe);
165 
166 		return 0;
167 	}
168 
169 	vpe_hdr = (const struct vpe_firmware_header_v1_0 *)adev->vpe.fw->data;
170 
171 	/* Thread 0(command thread) ucode offset/size */
172 	ucode_offset[0] = le32_to_cpu(vpe_hdr->header.ucode_array_offset_bytes);
173 	ucode_size[0] = le32_to_cpu(vpe_hdr->ctx_ucode_size_bytes);
174 	/* Thread 1(control thread) ucode offset/size */
175 	ucode_offset[1] = le32_to_cpu(vpe_hdr->ctl_ucode_offset);
176 	ucode_size[1] = le32_to_cpu(vpe_hdr->ctl_ucode_size_bytes);
177 
178 	vpe_v6_1_halt(vpe, true);
179 
180 	for (j = 0; j < vpe->num_instances; j++) {
181 		for (i = 0; i < 2; i++) {
182 			if (i > 0)
183 				WREG32(vpe_get_reg_offset(vpe, j, regVPEC_UCODE_ADDR), VPE_THREAD1_UCODE_OFFSET);
184 			else
185 				WREG32(vpe_get_reg_offset(vpe, j, regVPEC_UCODE_ADDR), 0);
186 
187 			data = (const __le32 *)(adev->vpe.fw->data + ucode_offset[i]);
188 			size_dw = ucode_size[i] / sizeof(__le32);
189 
190 			while (size_dw--) {
191 				if (amdgpu_emu_mode && size_dw % 500 == 0)
192 					msleep(1);
193 				WREG32(vpe_get_reg_offset(vpe, j, regVPEC_UCODE_DATA), le32_to_cpup(data++));
194 			}
195 		}
196 	}
197 
198 	vpe_v6_1_halt(vpe, false);
199 	vpe_v6_1_set_collaborate_mode(vpe, true);
200 	amdgpu_vpe_configure_dpm(vpe);
201 
202 	return 0;
203 }
204 
205 static int vpe_v6_1_ring_start(struct amdgpu_vpe *vpe)
206 {
207 	struct amdgpu_ring *ring = &vpe->ring;
208 	struct amdgpu_device *adev = ring->adev;
209 	uint32_t doorbell, doorbell_offset;
210 	uint32_t rb_bufsz, rb_cntl;
211 	uint32_t ib_cntl, i;
212 	int ret;
213 
214 	for (i = 0; i < vpe->num_instances; i++) {
215 		/* Set ring buffer size in dwords */
216 		rb_bufsz = order_base_2(ring->ring_size / 4);
217 		rb_cntl = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_CNTL));
218 		rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_SIZE, rb_bufsz);
219 		rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_PRIV, 1);
220 		rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_VMID, 0);
221 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_CNTL), rb_cntl);
222 
223 		/* Initialize the ring buffer's read and write pointers */
224 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_RPTR), 0);
225 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_RPTR_HI), 0);
226 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_WPTR), 0);
227 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_WPTR_HI), 0);
228 
229 		/* set the wb address whether it's enabled or not */
230 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_RPTR_ADDR_LO),
231 			lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
232 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_RPTR_ADDR_HI),
233 			upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
234 
235 		rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
236 
237 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_BASE), ring->gpu_addr >> 8);
238 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_BASE_HI), ring->gpu_addr >> 40);
239 
240 		ring->wptr = 0;
241 
242 		/* before programing wptr to a less value, need set minor_ptr_update first */
243 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_MINOR_PTR_UPDATE), 1);
244 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_WPTR), lower_32_bits(ring->wptr) << 2);
245 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2);
246 		/* set minor_ptr_update to 0 after wptr programed */
247 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_MINOR_PTR_UPDATE), 0);
248 
249 		doorbell_offset = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_DOORBELL_OFFSET));
250 		doorbell_offset = REG_SET_FIELD(doorbell_offset, VPEC_QUEUE0_DOORBELL_OFFSET, OFFSET, ring->doorbell_index + i*4);
251 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_DOORBELL_OFFSET), doorbell_offset);
252 
253 		doorbell = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_DOORBELL));
254 		doorbell = REG_SET_FIELD(doorbell, VPEC_QUEUE0_DOORBELL, ENABLE, ring->use_doorbell ? 1 : 0);
255 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_DOORBELL), doorbell);
256 
257 		adev->nbio.funcs->vpe_doorbell_range(adev, i, ring->use_doorbell, ring->doorbell_index + i*4, 4);
258 
259 		rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
260 		rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_ENABLE, 1);
261 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_RB_CNTL), rb_cntl);
262 
263 		ib_cntl = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_IB_CNTL));
264 		ib_cntl = REG_SET_FIELD(ib_cntl, VPEC_QUEUE0_IB_CNTL, IB_ENABLE, 1);
265 		WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE0_IB_CNTL), ib_cntl);
266 	}
267 
268 	ret = amdgpu_ring_test_helper(ring);
269 	if (ret)
270 		return ret;
271 
272 	return 0;
273 }
274 
275 static int vpe_v_6_1_ring_stop(struct amdgpu_vpe *vpe)
276 {
277 	struct amdgpu_device *adev = vpe->ring.adev;
278 	uint32_t queue_reset, i;
279 	int ret;
280 
281 	for (i = 0; i < vpe->num_instances; i++) {
282 		if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1))
283 			queue_reset = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE_RESET_REQ_6_1_1));
284 		else
285 			queue_reset = RREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE_RESET_REQ));
286 
287 		queue_reset = REG_SET_FIELD(queue_reset, VPEC_QUEUE_RESET_REQ, QUEUE0_RESET, 1);
288 
289 		if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1)) {
290 			WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE_RESET_REQ_6_1_1), queue_reset);
291 			ret = SOC15_WAIT_ON_RREG(VPE, i, regVPEC_QUEUE_RESET_REQ_6_1_1, 0,
292 						 VPEC_QUEUE_RESET_REQ__QUEUE0_RESET_MASK);
293 		} else {
294 			WREG32(vpe_get_reg_offset(vpe, i, regVPEC_QUEUE_RESET_REQ), queue_reset);
295 			ret = SOC15_WAIT_ON_RREG(VPE, i, regVPEC_QUEUE_RESET_REQ, 0,
296 						 VPEC_QUEUE_RESET_REQ__QUEUE0_RESET_MASK);
297 		}
298 
299 		if (ret)
300 			dev_err(adev->dev, "VPE queue reset failed\n");
301 	}
302 
303 	vpe->ring.sched.ready = false;
304 
305 	return ret;
306 }
307 
308 static int vpe_v6_1_set_trap_irq_state(struct amdgpu_device *adev,
309 				       struct amdgpu_irq_src *source,
310 				       unsigned int type,
311 				       enum amdgpu_interrupt_state state)
312 {
313 	struct amdgpu_vpe *vpe = &adev->vpe;
314 	uint32_t vpe_cntl;
315 
316 	if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1))
317 		vpe_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL_6_1_1));
318 	else
319 		vpe_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL));
320 
321 	vpe_cntl = REG_SET_FIELD(vpe_cntl, VPEC_CNTL, TRAP_ENABLE,
322 				 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
323 
324 	if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1))
325 		WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL_6_1_1), vpe_cntl);
326 	else
327 		WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL), vpe_cntl);
328 
329 	return 0;
330 }
331 
332 static int vpe_v6_1_process_trap_irq(struct amdgpu_device *adev,
333 				     struct amdgpu_irq_src *source,
334 				     struct amdgpu_iv_entry *entry)
335 {
336 
337 	dev_dbg(adev->dev, "IH: VPE trap\n");
338 
339 	switch (entry->client_id) {
340 	case SOC21_IH_CLIENTID_VPE:
341 		amdgpu_fence_process(&adev->vpe.ring);
342 		break;
343 	default:
344 		break;
345 	}
346 
347 	return 0;
348 }
349 
350 static int vpe_v6_1_set_regs(struct amdgpu_vpe *vpe)
351 {
352 	struct amdgpu_device *adev = container_of(vpe, struct amdgpu_device, vpe);
353 
354 	vpe->regs.queue0_rb_rptr_lo = regVPEC_QUEUE0_RB_RPTR;
355 	vpe->regs.queue0_rb_rptr_hi = regVPEC_QUEUE0_RB_RPTR_HI;
356 	vpe->regs.queue0_rb_wptr_lo = regVPEC_QUEUE0_RB_WPTR;
357 	vpe->regs.queue0_rb_wptr_hi = regVPEC_QUEUE0_RB_WPTR_HI;
358 	vpe->regs.queue0_preempt = regVPEC_QUEUE0_PREEMPT;
359 
360 	if (amdgpu_ip_version(adev, VPE_HWIP, 0) == IP_VERSION(6, 1, 1))
361 		vpe->regs.dpm_enable = regVPEC_PUB_DUMMY2_6_1_1;
362 	else
363 		vpe->regs.dpm_enable = regVPEC_PUB_DUMMY2;
364 
365 	vpe->regs.dpm_pratio = regVPEC_QUEUE6_DUMMY4;
366 	vpe->regs.dpm_request_interval = regVPEC_QUEUE5_DUMMY3;
367 	vpe->regs.dpm_decision_threshold = regVPEC_QUEUE5_DUMMY4;
368 	vpe->regs.dpm_busy_clamp_threshold = regVPEC_QUEUE7_DUMMY2;
369 	vpe->regs.dpm_idle_clamp_threshold = regVPEC_QUEUE7_DUMMY3;
370 	vpe->regs.dpm_request_lv = regVPEC_QUEUE7_DUMMY1;
371 	vpe->regs.context_indicator = regVPEC_QUEUE6_DUMMY3;
372 
373 	return 0;
374 }
375 
376 static const struct vpe_funcs vpe_v6_1_funcs = {
377 	.get_reg_offset = vpe_v6_1_get_reg_offset,
378 	.set_regs = vpe_v6_1_set_regs,
379 	.irq_init = vpe_v6_1_irq_init,
380 	.init_microcode = amdgpu_vpe_init_microcode,
381 	.load_microcode = vpe_v6_1_load_microcode,
382 	.ring_init = amdgpu_vpe_ring_init,
383 	.ring_start = vpe_v6_1_ring_start,
384 	.ring_stop = vpe_v_6_1_ring_stop,
385 	.ring_fini = amdgpu_vpe_ring_fini,
386 };
387 
388 static const struct amdgpu_irq_src_funcs vpe_v6_1_trap_irq_funcs = {
389 	.set = vpe_v6_1_set_trap_irq_state,
390 	.process = vpe_v6_1_process_trap_irq,
391 };
392 
393 void vpe_v6_1_set_funcs(struct amdgpu_vpe *vpe)
394 {
395 	vpe->funcs = &vpe_v6_1_funcs;
396 	vpe->trap_irq.funcs = &vpe_v6_1_trap_irq_funcs;
397 }
398