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
35MODULE_FIRMWARE("amdgpu/vpe_6_1_0.bin");
36MODULE_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
63static 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
72static 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
85static 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, client_id: SOC21_IH_CLIENTID_VPE,
91 VPE_6_1_SRCID__VPE_TRAP,
92 source: &adev->vpe.trap_irq);
93 if (ret)
94 return ret;
95
96 return 0;
97}
98
99static 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
122static 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, ip: VPE_HWIP, inst: 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, ip: VPE_HWIP, inst: 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, enable: 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, halt: 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(msecs: 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, halt: false);
199 vpe_v6_1_set_collaborate_mode(vpe, enable: true);
200 amdgpu_vpe_configure_dpm(vpe);
201
202 return 0;
203}
204
205static 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
275static 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, ip: VPE_HWIP, inst: 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, ip: VPE_HWIP, inst: 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
308static 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, ip: VPE_HWIP, inst: 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, ip: VPE_HWIP, inst: 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
332static 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(ring: &adev->vpe.ring);
342 break;
343 default:
344 break;
345 }
346
347 return 0;
348}
349
350static 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, ip: VPE_HWIP, inst: 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
376static 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
388static 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
393void 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

source code of linux/drivers/gpu/drm/amd/amdgpu/vpe_v6_1.c