1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright 2020-2021 NXP
4 */
5
6#ifndef _AMPHION_VPU_RPC_H
7#define _AMPHION_VPU_RPC_H
8
9#include <media/videobuf2-core.h>
10#include "vpu_codec.h"
11
12struct vpu_rpc_buffer_desc {
13 u32 wptr;
14 u32 rptr;
15 u32 start;
16 u32 end;
17};
18
19struct vpu_shared_addr {
20 void *iface;
21 struct vpu_rpc_buffer_desc *cmd_desc;
22 void *cmd_mem_vir;
23 struct vpu_rpc_buffer_desc *msg_desc;
24 void *msg_mem_vir;
25
26 unsigned long boot_addr;
27 struct vpu_core *core;
28 void *priv;
29};
30
31struct vpu_rpc_event_header {
32 u32 index;
33 u32 id;
34 u32 num;
35};
36
37struct vpu_rpc_event {
38 struct vpu_rpc_event_header hdr;
39 u32 data[128];
40};
41
42struct vpu_iface_ops {
43 bool (*check_codec)(enum vpu_core_type type);
44 bool (*check_fmt)(enum vpu_core_type type, u32 pixelfmt);
45 u32 (*get_data_size)(void);
46 int (*check_memory_region)(dma_addr_t base, dma_addr_t addr, u32 size);
47 int (*boot_core)(struct vpu_core *core);
48 int (*shutdown_core)(struct vpu_core *core);
49 int (*restore_core)(struct vpu_core *core);
50 int (*get_power_state)(struct vpu_core *core);
51 int (*on_firmware_loaded)(struct vpu_core *core);
52 void (*init_rpc)(struct vpu_shared_addr *shared,
53 struct vpu_buffer *rpc, dma_addr_t boot_addr);
54 void (*set_log_buf)(struct vpu_shared_addr *shared,
55 struct vpu_buffer *log);
56 void (*set_system_cfg)(struct vpu_shared_addr *shared,
57 u32 regs_base, void __iomem *regs, u32 index);
58 void (*set_stream_cfg)(struct vpu_shared_addr *shared, u32 index);
59 u32 (*get_version)(struct vpu_shared_addr *shared);
60 u32 (*get_max_instance_count)(struct vpu_shared_addr *shared);
61 int (*get_stream_buffer_size)(struct vpu_shared_addr *shared);
62 int (*send_cmd_buf)(struct vpu_shared_addr *shared,
63 struct vpu_rpc_event *cmd);
64 int (*receive_msg_buf)(struct vpu_shared_addr *shared,
65 struct vpu_rpc_event *msg);
66 int (*pack_cmd)(struct vpu_rpc_event *pkt, u32 index, u32 id, void *data);
67 int (*convert_msg_id)(u32 msg_id);
68 int (*unpack_msg_data)(struct vpu_rpc_event *pkt, void *data);
69 int (*input_frame)(struct vpu_shared_addr *shared,
70 struct vpu_inst *inst, struct vb2_buffer *vb);
71 int (*config_memory_resource)(struct vpu_shared_addr *shared,
72 u32 instance,
73 u32 type,
74 u32 index,
75 struct vpu_buffer *buf);
76 int (*config_stream_buffer)(struct vpu_shared_addr *shared,
77 u32 instance,
78 struct vpu_buffer *buf);
79 int (*update_stream_buffer)(struct vpu_shared_addr *shared,
80 u32 instance, u32 ptr, bool write);
81 int (*get_stream_buffer_desc)(struct vpu_shared_addr *shared,
82 u32 instance,
83 struct vpu_rpc_buffer_desc *desc);
84 int (*set_encode_params)(struct vpu_shared_addr *shared,
85 u32 instance,
86 struct vpu_encode_params *params,
87 u32 update);
88 int (*set_decode_params)(struct vpu_shared_addr *shared,
89 u32 instance,
90 struct vpu_decode_params *params,
91 u32 update);
92 int (*add_scode)(struct vpu_shared_addr *shared,
93 u32 instance,
94 struct vpu_buffer *stream_buffer,
95 u32 pixelformat,
96 u32 scode_type);
97 int (*pre_send_cmd)(struct vpu_shared_addr *shared, u32 instance);
98 int (*post_send_cmd)(struct vpu_shared_addr *shared, u32 instance);
99 int (*init_instance)(struct vpu_shared_addr *shared, u32 instance);
100};
101
102enum {
103 VPU_CORE_MEMORY_INVALID = 0,
104 VPU_CORE_MEMORY_CACHED,
105 VPU_CORE_MEMORY_UNCACHED
106};
107
108struct vpu_rpc_region_t {
109 dma_addr_t start;
110 dma_addr_t end;
111 dma_addr_t type;
112};
113
114struct vpu_iface_ops *vpu_core_get_iface(struct vpu_core *core);
115struct vpu_iface_ops *vpu_inst_get_iface(struct vpu_inst *inst);
116int vpu_iface_check_memory_region(struct vpu_core *core, dma_addr_t addr, u32 size);
117
118static inline bool vpu_iface_check_codec(struct vpu_core *core)
119{
120 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
121
122 if (ops && ops->check_codec)
123 return ops->check_codec(core->type);
124
125 return true;
126}
127
128static inline bool vpu_iface_check_format(struct vpu_inst *inst, u32 pixelfmt)
129{
130 struct vpu_iface_ops *ops = vpu_inst_get_iface(inst);
131
132 if (ops && ops->check_fmt)
133 return ops->check_fmt(inst->type, pixelfmt);
134
135 return true;
136}
137
138static inline int vpu_iface_boot_core(struct vpu_core *core)
139{
140 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
141
142 if (ops && ops->boot_core)
143 return ops->boot_core(core);
144 return 0;
145}
146
147static inline int vpu_iface_get_power_state(struct vpu_core *core)
148{
149 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
150
151 if (ops && ops->get_power_state)
152 return ops->get_power_state(core);
153 return 1;
154}
155
156static inline int vpu_iface_shutdown_core(struct vpu_core *core)
157{
158 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
159
160 if (ops && ops->shutdown_core)
161 return ops->shutdown_core(core);
162 return 0;
163}
164
165static inline int vpu_iface_restore_core(struct vpu_core *core)
166{
167 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
168
169 if (ops && ops->restore_core)
170 return ops->restore_core(core);
171 return 0;
172}
173
174static inline int vpu_iface_on_firmware_loaded(struct vpu_core *core)
175{
176 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
177
178 if (ops && ops->on_firmware_loaded)
179 return ops->on_firmware_loaded(core);
180
181 return 0;
182}
183
184static inline u32 vpu_iface_get_data_size(struct vpu_core *core)
185{
186 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
187
188 if (!ops || !ops->get_data_size)
189 return 0;
190
191 return ops->get_data_size();
192}
193
194static inline int vpu_iface_init(struct vpu_core *core,
195 struct vpu_shared_addr *shared,
196 struct vpu_buffer *rpc,
197 dma_addr_t boot_addr)
198{
199 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
200
201 if (!ops || !ops->init_rpc)
202 return -EINVAL;
203
204 ops->init_rpc(shared, rpc, boot_addr);
205 core->iface = shared;
206 shared->core = core;
207 if (rpc->bytesused > rpc->length)
208 return -ENOSPC;
209 return 0;
210}
211
212static inline int vpu_iface_set_log_buf(struct vpu_core *core,
213 struct vpu_buffer *log)
214{
215 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
216
217 if (!ops)
218 return -EINVAL;
219
220 if (ops->set_log_buf)
221 ops->set_log_buf(core->iface, log);
222
223 return 0;
224}
225
226static inline int vpu_iface_config_system(struct vpu_core *core, u32 regs_base, void __iomem *regs)
227{
228 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
229
230 if (!ops)
231 return -EINVAL;
232 if (ops->set_system_cfg)
233 ops->set_system_cfg(core->iface, regs_base, regs, core->id);
234
235 return 0;
236}
237
238static inline int vpu_iface_get_stream_buffer_size(struct vpu_core *core)
239{
240 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
241
242 if (!ops || !ops->get_stream_buffer_size)
243 return 0;
244
245 return ops->get_stream_buffer_size(core->iface);
246}
247
248static inline int vpu_iface_config_stream(struct vpu_inst *inst)
249{
250 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
251
252 if (!ops || inst->id < 0)
253 return -EINVAL;
254 if (ops->set_stream_cfg)
255 ops->set_stream_cfg(inst->core->iface, inst->id);
256 return 0;
257}
258
259static inline int vpu_iface_send_cmd(struct vpu_core *core, struct vpu_rpc_event *cmd)
260{
261 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
262
263 if (!ops || !ops->send_cmd_buf)
264 return -EINVAL;
265
266 return ops->send_cmd_buf(core->iface, cmd);
267}
268
269static inline int vpu_iface_receive_msg(struct vpu_core *core, struct vpu_rpc_event *msg)
270{
271 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
272
273 if (!ops || !ops->receive_msg_buf)
274 return -EINVAL;
275
276 return ops->receive_msg_buf(core->iface, msg);
277}
278
279static inline int vpu_iface_pack_cmd(struct vpu_core *core,
280 struct vpu_rpc_event *pkt,
281 u32 index, u32 id, void *data)
282{
283 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
284
285 if (!ops || !ops->pack_cmd)
286 return -EINVAL;
287 return ops->pack_cmd(pkt, index, id, data);
288}
289
290static inline int vpu_iface_convert_msg_id(struct vpu_core *core, u32 msg_id)
291{
292 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
293
294 if (!ops || !ops->convert_msg_id)
295 return -EINVAL;
296
297 return ops->convert_msg_id(msg_id);
298}
299
300static inline int vpu_iface_unpack_msg_data(struct vpu_core *core,
301 struct vpu_rpc_event *pkt, void *data)
302{
303 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
304
305 if (!ops || !ops->unpack_msg_data)
306 return -EINVAL;
307
308 return ops->unpack_msg_data(pkt, data);
309}
310
311static inline int vpu_iface_input_frame(struct vpu_inst *inst,
312 struct vb2_buffer *vb)
313{
314 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
315 int ret;
316
317 if (!ops || !ops->input_frame)
318 return -EINVAL;
319
320 ret = ops->input_frame(inst->core->iface, inst, vb);
321 if (ret < 0)
322 return ret;
323 inst->total_input_count++;
324 return ret;
325}
326
327static inline int vpu_iface_config_memory_resource(struct vpu_inst *inst,
328 u32 type,
329 u32 index,
330 struct vpu_buffer *buf)
331{
332 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
333
334 if (!ops || !ops->config_memory_resource || inst->id < 0)
335 return -EINVAL;
336
337 return ops->config_memory_resource(inst->core->iface,
338 inst->id,
339 type, index, buf);
340}
341
342static inline int vpu_iface_config_stream_buffer(struct vpu_inst *inst,
343 struct vpu_buffer *buf)
344{
345 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
346
347 if (!ops || !ops->config_stream_buffer || inst->id < 0)
348 return -EINVAL;
349
350 if ((buf->phys % 4) || (buf->length % 4))
351 return -EINVAL;
352 if (buf->phys + buf->length > (u64)UINT_MAX)
353 return -EINVAL;
354
355 return ops->config_stream_buffer(inst->core->iface, inst->id, buf);
356}
357
358static inline int vpu_iface_update_stream_buffer(struct vpu_inst *inst,
359 u32 ptr, bool write)
360{
361 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
362
363 if (!ops || !ops->update_stream_buffer || inst->id < 0)
364 return -EINVAL;
365
366 return ops->update_stream_buffer(inst->core->iface, inst->id, ptr, write);
367}
368
369static inline int vpu_iface_get_stream_buffer_desc(struct vpu_inst *inst,
370 struct vpu_rpc_buffer_desc *desc)
371{
372 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
373
374 if (!ops || !ops->get_stream_buffer_desc || inst->id < 0)
375 return -EINVAL;
376
377 if (!desc)
378 return 0;
379
380 return ops->get_stream_buffer_desc(inst->core->iface, inst->id, desc);
381}
382
383static inline u32 vpu_iface_get_version(struct vpu_core *core)
384{
385 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
386
387 if (!ops || !ops->get_version)
388 return 0;
389
390 return ops->get_version(core->iface);
391}
392
393static inline u32 vpu_iface_get_max_instance_count(struct vpu_core *core)
394{
395 struct vpu_iface_ops *ops = vpu_core_get_iface(core);
396
397 if (!ops || !ops->get_max_instance_count)
398 return 0;
399
400 return ops->get_max_instance_count(core->iface);
401}
402
403static inline int vpu_iface_set_encode_params(struct vpu_inst *inst,
404 struct vpu_encode_params *params, u32 update)
405{
406 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
407
408 if (!ops || !ops->set_encode_params || inst->id < 0)
409 return -EINVAL;
410
411 return ops->set_encode_params(inst->core->iface, inst->id, params, update);
412}
413
414static inline int vpu_iface_set_decode_params(struct vpu_inst *inst,
415 struct vpu_decode_params *params, u32 update)
416{
417 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
418
419 if (!ops || !ops->set_decode_params || inst->id < 0)
420 return -EINVAL;
421
422 return ops->set_decode_params(inst->core->iface, inst->id, params, update);
423}
424
425static inline int vpu_iface_add_scode(struct vpu_inst *inst, u32 scode_type)
426{
427 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
428
429 if (!ops || !ops->add_scode || inst->id < 0)
430 return -EINVAL;
431
432 return ops->add_scode(inst->core->iface, inst->id,
433 &inst->stream_buffer,
434 inst->out_format.pixfmt,
435 scode_type);
436}
437
438static inline int vpu_iface_pre_send_cmd(struct vpu_inst *inst)
439{
440 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
441
442 if (ops && ops->pre_send_cmd && inst->id >= 0)
443 return ops->pre_send_cmd(inst->core->iface, inst->id);
444 return 0;
445}
446
447static inline int vpu_iface_post_send_cmd(struct vpu_inst *inst)
448{
449 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
450
451 if (ops && ops->post_send_cmd && inst->id >= 0)
452 return ops->post_send_cmd(inst->core->iface, inst->id);
453 return 0;
454}
455
456static inline int vpu_iface_init_instance(struct vpu_inst *inst)
457{
458 struct vpu_iface_ops *ops = vpu_core_get_iface(core: inst->core);
459
460 if (ops && ops->init_instance && inst->id >= 0)
461 return ops->init_instance(inst->core->iface, inst->id);
462
463 return 0;
464}
465
466#endif
467

source code of linux/drivers/media/platform/amphion/vpu_rpc.h