1 /*
2 * Copyright 2019 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 #include "amdgpu.h"
25 #include "amdgpu_jpeg.h"
26 #include "soc15.h"
27 #include "soc15d.h"
28 #include "vcn_v1_0.h"
29 #include "jpeg_v1_0.h"
30
31 #include "vcn/vcn_1_0_offset.h"
32 #include "vcn/vcn_1_0_sh_mask.h"
33
34 static void jpeg_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
35 static void jpeg_v1_0_set_irq_funcs(struct amdgpu_device *adev);
36 static void jpeg_v1_0_ring_begin_use(struct amdgpu_ring *ring);
37
jpeg_v1_0_decode_ring_patch_wreg(struct amdgpu_ring * ring,uint32_t * ptr,uint32_t reg_offset,uint32_t val)38 static void jpeg_v1_0_decode_ring_patch_wreg(struct amdgpu_ring *ring, uint32_t *ptr, uint32_t reg_offset, uint32_t val)
39 {
40 struct amdgpu_device *adev = ring->adev;
41 ring->ring[(*ptr)++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
42 if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
43 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
44 ring->ring[(*ptr)++] = 0;
45 ring->ring[(*ptr)++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0);
46 } else {
47 ring->ring[(*ptr)++] = reg_offset;
48 ring->ring[(*ptr)++] = PACKETJ(0, 0, 0, PACKETJ_TYPE0);
49 }
50 ring->ring[(*ptr)++] = val;
51 }
52
jpeg_v1_0_decode_ring_set_patch_ring(struct amdgpu_ring * ring,uint32_t ptr)53 static void jpeg_v1_0_decode_ring_set_patch_ring(struct amdgpu_ring *ring, uint32_t ptr)
54 {
55 struct amdgpu_device *adev = ring->adev;
56
57 uint32_t reg, reg_offset, val, mask, i;
58
59 // 1st: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW
60 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW);
61 reg_offset = (reg << 2);
62 val = lower_32_bits(ring->gpu_addr);
63 jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
64
65 // 2nd: program mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH
66 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH);
67 reg_offset = (reg << 2);
68 val = upper_32_bits(ring->gpu_addr);
69 jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
70
71 // 3rd to 5th: issue MEM_READ commands
72 for (i = 0; i <= 2; i++) {
73 ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE2);
74 ring->ring[ptr++] = 0;
75 }
76
77 // 6th: program mmUVD_JRBC_RB_CNTL register to enable NO_FETCH and RPTR write ability
78 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_CNTL);
79 reg_offset = (reg << 2);
80 val = 0x13;
81 jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
82
83 // 7th: program mmUVD_JRBC_RB_REF_DATA
84 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA);
85 reg_offset = (reg << 2);
86 val = 0x1;
87 jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
88
89 // 8th: issue conditional register read mmUVD_JRBC_RB_CNTL
90 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_CNTL);
91 reg_offset = (reg << 2);
92 val = 0x1;
93 mask = 0x1;
94
95 ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0);
96 ring->ring[ptr++] = 0x01400200;
97 ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0);
98 ring->ring[ptr++] = val;
99 ring->ring[ptr++] = PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0);
100 if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
101 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
102 ring->ring[ptr++] = 0;
103 ring->ring[ptr++] = PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3);
104 } else {
105 ring->ring[ptr++] = reg_offset;
106 ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE3);
107 }
108 ring->ring[ptr++] = mask;
109
110 //9th to 21st: insert no-op
111 for (i = 0; i <= 12; i++) {
112 ring->ring[ptr++] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
113 ring->ring[ptr++] = 0;
114 }
115
116 //22nd: reset mmUVD_JRBC_RB_RPTR
117 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_RPTR);
118 reg_offset = (reg << 2);
119 val = 0;
120 jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
121
122 //23rd: program mmUVD_JRBC_RB_CNTL to disable no_fetch
123 reg = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_CNTL);
124 reg_offset = (reg << 2);
125 val = 0x12;
126 jpeg_v1_0_decode_ring_patch_wreg(ring, &ptr, reg_offset, val);
127 }
128
129 /**
130 * jpeg_v1_0_decode_ring_get_rptr - get read pointer
131 *
132 * @ring: amdgpu_ring pointer
133 *
134 * Returns the current hardware read pointer
135 */
jpeg_v1_0_decode_ring_get_rptr(struct amdgpu_ring * ring)136 static uint64_t jpeg_v1_0_decode_ring_get_rptr(struct amdgpu_ring *ring)
137 {
138 struct amdgpu_device *adev = ring->adev;
139
140 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
141 }
142
143 /**
144 * jpeg_v1_0_decode_ring_get_wptr - get write pointer
145 *
146 * @ring: amdgpu_ring pointer
147 *
148 * Returns the current hardware write pointer
149 */
jpeg_v1_0_decode_ring_get_wptr(struct amdgpu_ring * ring)150 static uint64_t jpeg_v1_0_decode_ring_get_wptr(struct amdgpu_ring *ring)
151 {
152 struct amdgpu_device *adev = ring->adev;
153
154 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
155 }
156
157 /**
158 * jpeg_v1_0_decode_ring_set_wptr - set write pointer
159 *
160 * @ring: amdgpu_ring pointer
161 *
162 * Commits the write pointer to the hardware
163 */
jpeg_v1_0_decode_ring_set_wptr(struct amdgpu_ring * ring)164 static void jpeg_v1_0_decode_ring_set_wptr(struct amdgpu_ring *ring)
165 {
166 struct amdgpu_device *adev = ring->adev;
167
168 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
169 }
170
171 /**
172 * jpeg_v1_0_decode_ring_insert_start - insert a start command
173 *
174 * @ring: amdgpu_ring pointer
175 *
176 * Write a start command to the ring.
177 */
jpeg_v1_0_decode_ring_insert_start(struct amdgpu_ring * ring)178 static void jpeg_v1_0_decode_ring_insert_start(struct amdgpu_ring *ring)
179 {
180 struct amdgpu_device *adev = ring->adev;
181
182 amdgpu_ring_write(ring,
183 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
184 amdgpu_ring_write(ring, 0x68e04);
185
186 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
187 amdgpu_ring_write(ring, 0x80010000);
188 }
189
190 /**
191 * jpeg_v1_0_decode_ring_insert_end - insert a end command
192 *
193 * @ring: amdgpu_ring pointer
194 *
195 * Write a end command to the ring.
196 */
jpeg_v1_0_decode_ring_insert_end(struct amdgpu_ring * ring)197 static void jpeg_v1_0_decode_ring_insert_end(struct amdgpu_ring *ring)
198 {
199 struct amdgpu_device *adev = ring->adev;
200
201 amdgpu_ring_write(ring,
202 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
203 amdgpu_ring_write(ring, 0x68e04);
204
205 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
206 amdgpu_ring_write(ring, 0x00010000);
207 }
208
209 /**
210 * jpeg_v1_0_decode_ring_emit_fence - emit an fence & trap command
211 *
212 * @ring: amdgpu_ring pointer
213 * @addr: address
214 * @seq: sequence number
215 * @flags: fence related flags
216 *
217 * Write a fence and a trap command to the ring.
218 */
jpeg_v1_0_decode_ring_emit_fence(struct amdgpu_ring * ring,u64 addr,u64 seq,unsigned flags)219 static void jpeg_v1_0_decode_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
220 unsigned flags)
221 {
222 struct amdgpu_device *adev = ring->adev;
223
224 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
225
226 amdgpu_ring_write(ring,
227 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_DATA0), 0, 0, PACKETJ_TYPE0));
228 amdgpu_ring_write(ring, seq);
229
230 amdgpu_ring_write(ring,
231 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_DATA1), 0, 0, PACKETJ_TYPE0));
232 amdgpu_ring_write(ring, seq);
233
234 amdgpu_ring_write(ring,
235 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
236 amdgpu_ring_write(ring, lower_32_bits(addr));
237
238 amdgpu_ring_write(ring,
239 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
240 amdgpu_ring_write(ring, upper_32_bits(addr));
241
242 amdgpu_ring_write(ring,
243 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_CMD), 0, 0, PACKETJ_TYPE0));
244 amdgpu_ring_write(ring, 0x8);
245
246 amdgpu_ring_write(ring,
247 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_GPCOM_CMD), 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
248 amdgpu_ring_write(ring, 0);
249
250 amdgpu_ring_write(ring,
251 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
252 amdgpu_ring_write(ring, 0x01400200);
253
254 amdgpu_ring_write(ring,
255 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
256 amdgpu_ring_write(ring, seq);
257
258 amdgpu_ring_write(ring,
259 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
260 amdgpu_ring_write(ring, lower_32_bits(addr));
261
262 amdgpu_ring_write(ring,
263 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
264 amdgpu_ring_write(ring, upper_32_bits(addr));
265
266 amdgpu_ring_write(ring,
267 PACKETJ(0, 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE2));
268 amdgpu_ring_write(ring, 0xffffffff);
269
270 amdgpu_ring_write(ring,
271 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
272 amdgpu_ring_write(ring, 0x3fbc);
273
274 amdgpu_ring_write(ring,
275 PACKETJ(0, 0, 0, PACKETJ_TYPE0));
276 amdgpu_ring_write(ring, 0x1);
277
278 /* emit trap */
279 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
280 amdgpu_ring_write(ring, 0);
281 }
282
283 /**
284 * jpeg_v1_0_decode_ring_emit_ib - execute indirect buffer
285 *
286 * @ring: amdgpu_ring pointer
287 * @job: job to retrieve vmid from
288 * @ib: indirect buffer to execute
289 * @flags: unused
290 *
291 * Write ring commands to execute the indirect buffer.
292 */
jpeg_v1_0_decode_ring_emit_ib(struct amdgpu_ring * ring,struct amdgpu_job * job,struct amdgpu_ib * ib,uint32_t flags)293 static void jpeg_v1_0_decode_ring_emit_ib(struct amdgpu_ring *ring,
294 struct amdgpu_job *job,
295 struct amdgpu_ib *ib,
296 uint32_t flags)
297 {
298 struct amdgpu_device *adev = ring->adev;
299 unsigned vmid = AMDGPU_JOB_GET_VMID(job);
300
301 amdgpu_ring_write(ring,
302 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_IB_VMID), 0, 0, PACKETJ_TYPE0));
303 amdgpu_ring_write(ring, (vmid | (vmid << 4)));
304
305 amdgpu_ring_write(ring,
306 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JPEG_VMID), 0, 0, PACKETJ_TYPE0));
307 amdgpu_ring_write(ring, (vmid | (vmid << 4)));
308
309 amdgpu_ring_write(ring,
310 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
311 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
312
313 amdgpu_ring_write(ring,
314 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
315 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
316
317 amdgpu_ring_write(ring,
318 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_IB_SIZE), 0, 0, PACKETJ_TYPE0));
319 amdgpu_ring_write(ring, ib->length_dw);
320
321 amdgpu_ring_write(ring,
322 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
323 amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
324
325 amdgpu_ring_write(ring,
326 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
327 amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
328
329 amdgpu_ring_write(ring,
330 PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
331 amdgpu_ring_write(ring, 0);
332
333 amdgpu_ring_write(ring,
334 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
335 amdgpu_ring_write(ring, 0x01400200);
336
337 amdgpu_ring_write(ring,
338 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
339 amdgpu_ring_write(ring, 0x2);
340
341 amdgpu_ring_write(ring,
342 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_STATUS), 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
343 amdgpu_ring_write(ring, 0x2);
344 }
345
jpeg_v1_0_decode_ring_emit_reg_wait(struct amdgpu_ring * ring,uint32_t reg,uint32_t val,uint32_t mask)346 static void jpeg_v1_0_decode_ring_emit_reg_wait(struct amdgpu_ring *ring,
347 uint32_t reg, uint32_t val,
348 uint32_t mask)
349 {
350 struct amdgpu_device *adev = ring->adev;
351 uint32_t reg_offset = (reg << 2);
352
353 amdgpu_ring_write(ring,
354 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
355 amdgpu_ring_write(ring, 0x01400200);
356
357 amdgpu_ring_write(ring,
358 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
359 amdgpu_ring_write(ring, val);
360
361 amdgpu_ring_write(ring,
362 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
363 if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
364 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
365 amdgpu_ring_write(ring, 0);
366 amdgpu_ring_write(ring,
367 PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
368 } else {
369 amdgpu_ring_write(ring, reg_offset);
370 amdgpu_ring_write(ring,
371 PACKETJ(0, 0, 0, PACKETJ_TYPE3));
372 }
373 amdgpu_ring_write(ring, mask);
374 }
375
jpeg_v1_0_decode_ring_emit_vm_flush(struct amdgpu_ring * ring,unsigned vmid,uint64_t pd_addr)376 static void jpeg_v1_0_decode_ring_emit_vm_flush(struct amdgpu_ring *ring,
377 unsigned vmid, uint64_t pd_addr)
378 {
379 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
380 uint32_t data0, data1, mask;
381
382 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
383
384 /* wait for register write */
385 data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
386 data1 = lower_32_bits(pd_addr);
387 mask = 0xffffffff;
388 jpeg_v1_0_decode_ring_emit_reg_wait(ring, data0, data1, mask);
389 }
390
jpeg_v1_0_decode_ring_emit_wreg(struct amdgpu_ring * ring,uint32_t reg,uint32_t val)391 static void jpeg_v1_0_decode_ring_emit_wreg(struct amdgpu_ring *ring,
392 uint32_t reg, uint32_t val)
393 {
394 struct amdgpu_device *adev = ring->adev;
395 uint32_t reg_offset = (reg << 2);
396
397 amdgpu_ring_write(ring,
398 PACKETJ(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
399 if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
400 ((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
401 amdgpu_ring_write(ring, 0);
402 amdgpu_ring_write(ring,
403 PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
404 } else {
405 amdgpu_ring_write(ring, reg_offset);
406 amdgpu_ring_write(ring,
407 PACKETJ(0, 0, 0, PACKETJ_TYPE0));
408 }
409 amdgpu_ring_write(ring, val);
410 }
411
jpeg_v1_0_decode_ring_nop(struct amdgpu_ring * ring,uint32_t count)412 static void jpeg_v1_0_decode_ring_nop(struct amdgpu_ring *ring, uint32_t count)
413 {
414 int i;
415
416 WARN_ON(ring->wptr % 2 || count % 2);
417
418 for (i = 0; i < count / 2; i++) {
419 amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
420 amdgpu_ring_write(ring, 0);
421 }
422 }
423
jpeg_v1_0_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)424 static int jpeg_v1_0_set_interrupt_state(struct amdgpu_device *adev,
425 struct amdgpu_irq_src *source,
426 unsigned type,
427 enum amdgpu_interrupt_state state)
428 {
429 return 0;
430 }
431
jpeg_v1_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)432 static int jpeg_v1_0_process_interrupt(struct amdgpu_device *adev,
433 struct amdgpu_irq_src *source,
434 struct amdgpu_iv_entry *entry)
435 {
436 DRM_DEBUG("IH: JPEG decode TRAP\n");
437
438 switch (entry->src_id) {
439 case 126:
440 amdgpu_fence_process(adev->jpeg.inst->ring_dec);
441 break;
442 default:
443 DRM_ERROR("Unhandled interrupt: %d %d\n",
444 entry->src_id, entry->src_data[0]);
445 break;
446 }
447
448 return 0;
449 }
450
451 /**
452 * jpeg_v1_0_early_init - set function pointers
453 *
454 * @handle: amdgpu_device pointer
455 *
456 * Set ring and irq function pointers
457 */
jpeg_v1_0_early_init(void * handle)458 int jpeg_v1_0_early_init(void *handle)
459 {
460 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
461
462 adev->jpeg.num_jpeg_inst = 1;
463 adev->jpeg.num_jpeg_rings = 1;
464
465 jpeg_v1_0_set_dec_ring_funcs(adev);
466 jpeg_v1_0_set_irq_funcs(adev);
467
468 return 0;
469 }
470
471 /**
472 * jpeg_v1_0_sw_init - sw init for JPEG block
473 *
474 * @handle: amdgpu_device pointer
475 *
476 */
jpeg_v1_0_sw_init(void * handle)477 int jpeg_v1_0_sw_init(void *handle)
478 {
479 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
480 struct amdgpu_ring *ring;
481 int r;
482
483 /* JPEG TRAP */
484 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 126, &adev->jpeg.inst->irq);
485 if (r)
486 return r;
487
488 ring = adev->jpeg.inst->ring_dec;
489 ring->vm_hub = AMDGPU_MMHUB0(0);
490 snprintf(ring->name, sizeof(ring->name), "jpeg_dec");
491 r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
492 0, AMDGPU_RING_PRIO_DEFAULT, NULL);
493 if (r)
494 return r;
495
496 adev->jpeg.internal.jpeg_pitch[0] = adev->jpeg.inst->external.jpeg_pitch[0] =
497 SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
498
499 return 0;
500 }
501
502 /**
503 * jpeg_v1_0_sw_fini - sw fini for JPEG block
504 *
505 * @handle: amdgpu_device pointer
506 *
507 * JPEG free up sw allocation
508 */
jpeg_v1_0_sw_fini(void * handle)509 void jpeg_v1_0_sw_fini(void *handle)
510 {
511 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
512
513 amdgpu_ring_fini(adev->jpeg.inst->ring_dec);
514 }
515
516 /**
517 * jpeg_v1_0_start - start JPEG block
518 *
519 * @adev: amdgpu_device pointer
520 * @mode: SPG or DPG mode
521 *
522 * Setup and start the JPEG block
523 */
jpeg_v1_0_start(struct amdgpu_device * adev,int mode)524 void jpeg_v1_0_start(struct amdgpu_device *adev, int mode)
525 {
526 struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
527
528 if (mode == 0) {
529 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
530 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_NO_FETCH_MASK |
531 UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
532 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW, lower_32_bits(ring->gpu_addr));
533 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, upper_32_bits(ring->gpu_addr));
534 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
535 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
536 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, UVD_JRBC_RB_CNTL__RB_RPTR_WR_EN_MASK);
537 }
538
539 /* initialize wptr */
540 ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
541
542 /* copy patch commands to the jpeg ring */
543 jpeg_v1_0_decode_ring_set_patch_ring(ring,
544 (ring->wptr + ring->max_dw * amdgpu_sched_hw_submission));
545 }
546
547 static const struct amdgpu_ring_funcs jpeg_v1_0_decode_ring_vm_funcs = {
548 .type = AMDGPU_RING_TYPE_VCN_JPEG,
549 .align_mask = 0xf,
550 .nop = PACKET0(0x81ff, 0),
551 .support_64bit_ptrs = false,
552 .no_user_fence = true,
553 .extra_dw = 64,
554 .get_rptr = jpeg_v1_0_decode_ring_get_rptr,
555 .get_wptr = jpeg_v1_0_decode_ring_get_wptr,
556 .set_wptr = jpeg_v1_0_decode_ring_set_wptr,
557 .emit_frame_size =
558 6 + 6 + /* hdp invalidate / flush */
559 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
560 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
561 8 + /* jpeg_v1_0_decode_ring_emit_vm_flush */
562 26 + 26 + /* jpeg_v1_0_decode_ring_emit_fence x2 vm fence */
563 6,
564 .emit_ib_size = 22, /* jpeg_v1_0_decode_ring_emit_ib */
565 .emit_ib = jpeg_v1_0_decode_ring_emit_ib,
566 .emit_fence = jpeg_v1_0_decode_ring_emit_fence,
567 .emit_vm_flush = jpeg_v1_0_decode_ring_emit_vm_flush,
568 .test_ring = amdgpu_jpeg_dec_ring_test_ring,
569 .test_ib = amdgpu_jpeg_dec_ring_test_ib,
570 .insert_nop = jpeg_v1_0_decode_ring_nop,
571 .insert_start = jpeg_v1_0_decode_ring_insert_start,
572 .insert_end = jpeg_v1_0_decode_ring_insert_end,
573 .pad_ib = amdgpu_ring_generic_pad_ib,
574 .begin_use = jpeg_v1_0_ring_begin_use,
575 .end_use = vcn_v1_0_ring_end_use,
576 .emit_wreg = jpeg_v1_0_decode_ring_emit_wreg,
577 .emit_reg_wait = jpeg_v1_0_decode_ring_emit_reg_wait,
578 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
579 };
580
jpeg_v1_0_set_dec_ring_funcs(struct amdgpu_device * adev)581 static void jpeg_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
582 {
583 adev->jpeg.inst->ring_dec->funcs = &jpeg_v1_0_decode_ring_vm_funcs;
584 DRM_INFO("JPEG decode is enabled in VM mode\n");
585 }
586
587 static const struct amdgpu_irq_src_funcs jpeg_v1_0_irq_funcs = {
588 .set = jpeg_v1_0_set_interrupt_state,
589 .process = jpeg_v1_0_process_interrupt,
590 };
591
jpeg_v1_0_set_irq_funcs(struct amdgpu_device * adev)592 static void jpeg_v1_0_set_irq_funcs(struct amdgpu_device *adev)
593 {
594 adev->jpeg.inst->irq.funcs = &jpeg_v1_0_irq_funcs;
595 }
596
jpeg_v1_0_ring_begin_use(struct amdgpu_ring * ring)597 static void jpeg_v1_0_ring_begin_use(struct amdgpu_ring *ring)
598 {
599 struct amdgpu_device *adev = ring->adev;
600 bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
601 int cnt = 0;
602
603 mutex_lock(&adev->vcn.vcn1_jpeg1_workaround);
604
605 if (amdgpu_fence_wait_empty(&adev->vcn.inst->ring_dec))
606 DRM_ERROR("JPEG dec: vcn dec ring may not be empty\n");
607
608 for (cnt = 0; cnt < adev->vcn.num_enc_rings; cnt++) {
609 if (amdgpu_fence_wait_empty(&adev->vcn.inst->ring_enc[cnt]))
610 DRM_ERROR("JPEG dec: vcn enc ring[%d] may not be empty\n", cnt);
611 }
612
613 vcn_v1_0_set_pg_for_begin_use(ring, set_clocks);
614 }
615