tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2017 Linaro Ltd.
5 */
6
7#ifndef __VENUS_CORE_H_
8#define __VENUS_CORE_H_
9
10#include <linux/list.h>
11#include <media/videobuf2-v4l2.h>
12#include <media/v4l2-ctrls.h>
13#include <media/v4l2-device.h>
14
15#include "dbgfs.h"
16#include "hfi.h"
17#include "hfi_platform.h"
18
19#define VDBGL "VenusLow : "
20#define VDBGM "VenusMed : "
21#define VDBGH "VenusHigh: "
22#define VDBGFW "VenusFW : "
23
24#define VIDC_CLKS_NUM_MAX 4
25#define VIDC_VCODEC_CLKS_NUM_MAX 2
26#define VIDC_PMDOMAINS_NUM_MAX 3
27#define VIDC_RESETS_NUM_MAX 2
28
29extern int venus_fw_debug;
30
31struct freq_tbl {
32 unsigned int load;
33 unsigned long freq;
34};
35
36struct reg_val {
37 u32 reg;
38 u32 value;
39};
40
41struct bw_tbl {
42 u32 mbs_per_sec;
43 u32 avg;
44 u32 peak;
45 u32 avg_10bit;
46 u32 peak_10bit;
47};
48
49struct venus_resources {
50 u64 dma_mask;
51 const struct freq_tbl *freq_tbl;
52 unsigned int freq_tbl_size;
53 const struct bw_tbl *bw_tbl_enc;
54 unsigned int bw_tbl_enc_size;
55 const struct bw_tbl *bw_tbl_dec;
56 unsigned int bw_tbl_dec_size;
57 const struct reg_val *reg_tbl;
58 unsigned int reg_tbl_size;
59 const char * const clks[VIDC_CLKS_NUM_MAX];
60 unsigned int clks_num;
61 const char * const vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
62 const char * const vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
63 unsigned int vcodec_clks_num;
64 const char * const vcodec_pmdomains[VIDC_PMDOMAINS_NUM_MAX];
65 unsigned int vcodec_pmdomains_num;
66 const char **opp_pmdomain;
67 unsigned int vcodec_num;
68 const char * const resets[VIDC_RESETS_NUM_MAX];
69 unsigned int resets_num;
70 enum hfi_version hfi_version;
71 u32 max_load;
72 unsigned int vmem_id;
73 u32 vmem_size;
74 u32 vmem_addr;
75 u32 cp_start;
76 u32 cp_size;
77 u32 cp_nonpixel_start;
78 u32 cp_nonpixel_size;
79 const char *fwname;
80};
81
82struct venus_format {
83 u32 pixfmt;
84 unsigned int num_planes;
85 u32 type;
86 u32 flags;
87};
88
89/**
90 * struct venus_core - holds core parameters valid for all instances
91 *
92 * @base: IO memory base address
93 * @vbif_base: IO memory vbif base address
94 * @cpu_base: IO memory cpu base address
95 * @cpu_cs_base: IO memory cpu_cs base address
96 * @cpu_ic_base: IO memory cpu_ic base address
97 * @wrapper_base: IO memory wrapper base address
98 * @wrapper_tz_base: IO memory wrapper TZ base address
99 * @aon_base: AON base address
100 * @irq: Venus irq
101 * @clks: an array of struct clk pointers
102 * @vcodec0_clks: an array of vcodec0 struct clk pointers
103 * @vcodec1_clks: an array of vcodec1 struct clk pointers
104 * @video_path: an interconnect handle to video to/from memory path
105 * @cpucfg_path: an interconnect handle to cpu configuration path
106 * @opp_table: an device OPP table handle
107 * @has_opp_table: does OPP table exist
108 * @pmdomains: an array of pmdomains struct device pointers
109 * @opp_dl_venus: an device-link for device OPP
110 * @opp_pmdomain: an OPP power-domain
111 * @resets: an array of reset signals
112 * @vdev_dec: a reference to video device structure for decoder instances
113 * @vdev_enc: a reference to video device structure for encoder instances
114 * @v4l2_dev: a holder for v4l2 device structure
115 * @res: a reference to venus resources structure
116 * @dev: convenience struct device pointer
117 * @dev_dec: convenience struct device pointer for decoder device
118 * @dev_enc: convenience struct device pointer for encoder device
119 * @use_tz: a flag that suggests presence of trustzone
120 * @fw: structure of firmware parameters
121 * @lock: a lock for this strucure
122 * @instances: a list_head of all instances
123 * @insts_count: num of instances
124 * @state: the state of the venus core
125 * @done: a completion for sync HFI operations
126 * @error: an error returned during last HFI sync operations
127 * @sys_error: an error flag that signal system error event
128 * @core_ops: the core operations
129 * @pm_ops: a pointer to pm operations
130 * @pm_lock: a lock for PM operations
131 * @enc_codecs: encoders supported by this core
132 * @dec_codecs: decoders supported by this core
133 * @max_sessions_supported: holds the maximum number of sessions
134 * @priv: a private filed for HFI operations
135 * @ops: the core HFI operations
136 * @work: a delayed work for handling system fatal error
137 * @caps: an array of supported HFI capabilities
138 * @codecs_count: platform codecs count
139 * @core0_usage_count: usage counter for core0
140 * @core1_usage_count: usage counter for core1
141 * @root: debugfs root directory
142 */
143struct venus_core {
144 void __iomem *base;
145 void __iomem *vbif_base;
146 void __iomem *cpu_base;
147 void __iomem *cpu_cs_base;
148 void __iomem *cpu_ic_base;
149 void __iomem *wrapper_base;
150 void __iomem *wrapper_tz_base;
151 void __iomem *aon_base;
152 int irq;
153 struct clk *clks[VIDC_CLKS_NUM_MAX];
154 struct clk *vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
155 struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
156 struct icc_path *video_path;
157 struct icc_path *cpucfg_path;
158 bool has_opp_table;
159 struct device *pmdomains[VIDC_PMDOMAINS_NUM_MAX];
160 struct device_link *opp_dl_venus;
161 struct device *opp_pmdomain;
162 struct reset_control *resets[VIDC_RESETS_NUM_MAX];
163 struct video_device *vdev_dec;
164 struct video_device *vdev_enc;
165 struct v4l2_device v4l2_dev;
166 const struct venus_resources *res;
167 struct device *dev;
168 struct device *dev_dec;
169 struct device *dev_enc;
170 unsigned int use_tz;
171 struct video_firmware {
172 struct device *dev;
173 struct iommu_domain *iommu_domain;
174 size_t mapped_mem_size;
175 phys_addr_t mem_phys;
176 size_t mem_size;
177 } fw;
178 struct mutex lock;
179 struct list_head instances;
180 atomic_t insts_count;
181 unsigned int state;
182 struct completion done;
183 unsigned int error;
184 bool sys_error;
185 const struct hfi_core_ops *core_ops;
186 const struct venus_pm_ops *pm_ops;
187 struct mutex pm_lock;
188 unsigned long enc_codecs;
189 unsigned long dec_codecs;
190 unsigned int max_sessions_supported;
191 void *priv;
192 const struct hfi_ops *ops;
193 struct delayed_work work;
194 struct hfi_plat_caps caps[MAX_CODEC_NUM];
195 unsigned int codecs_count;
196 unsigned int core0_usage_count;
197 unsigned int core1_usage_count;
198 struct dentry *root;
199};
200
201struct vdec_controls {
202 u32 post_loop_deb_mode;
203 u32 profile;
204 u32 level;
205 u32 display_delay;
206 u32 display_delay_enable;
207 u64 conceal_color;
208};
209
210struct venc_controls {
211 u16 gop_size;
212 u32 num_p_frames;
213 u32 num_b_frames;
214 u32 bitrate_mode;
215 u32 bitrate;
216 u32 bitrate_peak;
217 u32 rc_enable;
218 u32 const_quality;
219 u32 frame_skip_mode;
220
221 u32 h264_i_period;
222 u32 h264_entropy_mode;
223 u32 h264_i_qp;
224 u32 h264_p_qp;
225 u32 h264_b_qp;
226 u32 h264_min_qp;
227 u32 h264_max_qp;
228 u32 h264_i_min_qp;
229 u32 h264_i_max_qp;
230 u32 h264_p_min_qp;
231 u32 h264_p_max_qp;
232 u32 h264_b_min_qp;
233 u32 h264_b_max_qp;
234 u32 h264_loop_filter_mode;
235 s32 h264_loop_filter_alpha;
236 s32 h264_loop_filter_beta;
237
238 u32 hevc_i_qp;
239 u32 hevc_p_qp;
240 u32 hevc_b_qp;
241 u32 hevc_min_qp;
242 u32 hevc_max_qp;
243 u32 hevc_i_min_qp;
244 u32 hevc_i_max_qp;
245 u32 hevc_p_min_qp;
246 u32 hevc_p_max_qp;
247 u32 hevc_b_min_qp;
248 u32 hevc_b_max_qp;
249
250 u32 vp8_min_qp;
251 u32 vp8_max_qp;
252
253 u32 multi_slice_mode;
254 u32 multi_slice_max_bytes;
255 u32 multi_slice_max_mb;
256
257 u32 header_mode;
258 bool aud_enable;
259
260 struct {
261 u32 h264;
262 u32 mpeg4;
263 u32 hevc;
264 u32 vp8;
265 u32 vp9;
266 } profile;
267 struct {
268 u32 h264;
269 u32 mpeg4;
270 u32 hevc;
271 u32 vp9;
272 } level;
273
274 u32 base_priority_id;
275 u32 ltr_count;
276 struct v4l2_ctrl_hdr10_cll_info cll;
277 struct v4l2_ctrl_hdr10_mastering_display mastering;
278};
279
280struct venus_buffer {
281 struct vb2_v4l2_buffer vb;
282 struct list_head list;
283 dma_addr_t dma_addr;
284 u32 size;
285 struct list_head reg_list;
286 u32 flags;
287 struct list_head ref_list;
288};
289
290struct clock_data {
291 u32 core_id;
292 unsigned long freq;
293 unsigned long vpp_freq;
294 unsigned long vsp_freq;
295 unsigned long low_power_freq;
296};
297
298#define to_venus_buffer(ptr) container_of(ptr, struct venus_buffer, vb)
299
300enum venus_dec_state {
301 VENUS_DEC_STATE_DEINIT = 0,
302 VENUS_DEC_STATE_INIT = 1,
303 VENUS_DEC_STATE_CAPTURE_SETUP = 2,
304 VENUS_DEC_STATE_STOPPED = 3,
305 VENUS_DEC_STATE_SEEK = 4,
306 VENUS_DEC_STATE_DRAIN = 5,
307 VENUS_DEC_STATE_DECODING = 6,
308 VENUS_DEC_STATE_DRC = 7,
309};
310
311struct venus_ts_metadata {
312 bool used;
313 u64 ts_ns;
314 u64 ts_us;
315 u32 flags;
316 struct v4l2_timecode tc;
317};
318
319enum venus_inst_modes {
320 VENUS_LOW_POWER = BIT(0),
321};
322
323/**
324 * struct venus_inst - holds per instance parameters
325 *
326 * @list: used for attach an instance to the core
327 * @lock: instance lock
328 * @core: a reference to the core struct
329 * @clk_data: clock data per core ID
330 * @dpbbufs: a list of decoded picture buffers
331 * @internalbufs: a list of internal bufferes
332 * @registeredbufs: a list of registered capture bufferes
333 * @delayed_process: a list of delayed buffers
334 * @delayed_process_work: a work_struct for process delayed buffers
335 * @ctrl_handler: v4l control handler
336 * @controls: a union of decoder and encoder control parameters
337 * @fh: a holder of v4l file handle structure
338 * @streamon_cap: stream on flag for capture queue
339 * @streamon_out: stream on flag for output queue
340 * @width: current capture width
341 * @height: current capture height
342 * @crop: current crop rectangle
343 * @out_width: current output width
344 * @out_height: current output height
345 * @colorspace: current color space
346 * @ycbcr_enc: current YCbCr encoding
347 * @quantization: current quantization
348 * @xfer_func: current xfer function
349 * @codec_state: current codec API state (see DEC/ENC_STATE_)
350 * @reconf_wait: wait queue for resolution change event
351 * @subscriptions: used to hold current events subscriptions
352 * @buf_count: used to count number of buffers (reqbuf(0))
353 * @tss: timestamp metadata
354 * @payloads: cache plane payload to use it for clock/BW scaling
355 * @fps: holds current FPS
356 * @timeperframe: holds current time per frame structure
357 * @fmt_out: a reference to output format structure
358 * @fmt_cap: a reference to capture format structure
359 * @num_input_bufs: holds number of input buffers
360 * @num_output_bufs: holds number of output buffers
361 * @input_buf_size: holds input buffer size
362 * @output_buf_size: holds output buffer size
363 * @output2_buf_size: holds secondary decoder output buffer size
364 * @dpb_buftype: decoded picture buffer type
365 * @dpb_fmt: decoded picture buffer raw format
366 * @opb_buftype: output picture buffer type
367 * @opb_fmt: output picture buffer raw format
368 * @reconfig: a flag raised by decoder when the stream resolution changed
369 * @hfi_codec: current codec for this instance in HFI space
370 * @sequence_cap: a sequence counter for capture queue
371 * @sequence_out: a sequence counter for output queue
372 * @m2m_dev: a reference to m2m device structure
373 * @m2m_ctx: a reference to m2m context structure
374 * @state: current state of the instance
375 * @done: a completion for sync HFI operation
376 * @error: an error returned during last HFI sync operation
377 * @session_error: a flag rised by HFI interface in case of session error
378 * @ops: HFI operations
379 * @priv: a private for HFI operations callbacks
380 * @session_type: the type of the session (decoder or encoder)
381 * @hprop: a union used as a holder by get property
382 * @core_acquired: the Core has been acquired
383 * @bit_depth: current bitstream bit-depth
384 * @pic_struct: bitstream progressive vs interlaced
385 * @next_buf_last: a flag to mark next queued capture buffer as last
386 * @drain_active: Drain sequence is in progress
387 */
388struct venus_inst {
389 struct list_head list;
390 struct mutex lock;
391 struct venus_core *core;
392 struct clock_data clk_data;
393 struct list_head dpbbufs;
394 struct list_head internalbufs;
395 struct list_head registeredbufs;
396 struct list_head delayed_process;
397 struct work_struct delayed_process_work;
398
399 struct v4l2_ctrl_handler ctrl_handler;
400 union {
401 struct vdec_controls dec;
402 struct venc_controls enc;
403 } controls;
404 struct v4l2_fh fh;
405 unsigned int streamon_cap, streamon_out;
406 u32 width;
407 u32 height;
408 struct v4l2_rect crop;
409 u32 out_width;
410 u32 out_height;
411 u32 colorspace;
412 u8 ycbcr_enc;
413 u8 quantization;
414 u8 xfer_func;
415 enum venus_dec_state codec_state;
416 wait_queue_head_t reconf_wait;
417 unsigned int subscriptions;
418 int buf_count;
419 struct venus_ts_metadata tss[VIDEO_MAX_FRAME];
420 unsigned long payloads[VIDEO_MAX_FRAME];
421 u64 fps;
422 struct v4l2_fract timeperframe;
423 const struct venus_format *fmt_out;
424 const struct venus_format *fmt_cap;
425 unsigned int num_input_bufs;
426 unsigned int num_output_bufs;
427 unsigned int input_buf_size;
428 unsigned int output_buf_size;
429 unsigned int output2_buf_size;
430 u32 dpb_buftype;
431 u32 dpb_fmt;
432 u32 opb_buftype;
433 u32 opb_fmt;
434 bool reconfig;
435 u32 hfi_codec;
436 u32 sequence_cap;
437 u32 sequence_out;
438 struct v4l2_m2m_dev *m2m_dev;
439 struct v4l2_m2m_ctx *m2m_ctx;
440 unsigned int state;
441 struct completion done;
442 unsigned int error;
443 bool session_error;
444 const struct hfi_inst_ops *ops;
445 u32 session_type;
446 union hfi_get_property hprop;
447 unsigned int core_acquired: 1;
448 unsigned int bit_depth;
449 unsigned int pic_struct;
450 bool next_buf_last;
451 bool drain_active;
452 enum venus_inst_modes flags;
453};
454
455#define IS_V1(core) ((core)->res->hfi_version == HFI_VERSION_1XX)
456#define IS_V3(core) ((core)->res->hfi_version == HFI_VERSION_3XX)
457#define IS_V4(core) ((core)->res->hfi_version == HFI_VERSION_4XX)
458#define IS_V6(core) ((core)->res->hfi_version == HFI_VERSION_6XX)
459
460#define ctrl_to_inst(ctrl) \
461 container_of((ctrl)->handler, struct venus_inst, ctrl_handler)
462
463static inline struct venus_inst *to_inst(struct file *filp)
464{
465 return container_of(filp->private_data, struct venus_inst, fh);
466}
467
468static inline void *to_hfi_priv(struct venus_core *core)
469{
470 return core->priv;
471}
472
473static inline struct hfi_plat_caps *
474venus_caps_by_codec(struct venus_core *core, u32 codec, u32 domain)
475{
476 unsigned int c;
477
478 for (c = 0; c < core->codecs_count; c++) {
479 if (core->caps[c].codec == codec &&
480 core->caps[c].domain == domain)
481 return &core->caps[c];
482 }
483
484 return NULL;
485}
486
487#endif