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/bitops.h>
11 #include <linux/list.h>
12 #include <media/videobuf2-v4l2.h>
13 #include <media/v4l2-ctrls.h>
14 #include <media/v4l2-device.h>
15
16 #include "dbgfs.h"
17 #include "hfi.h"
18 #include "hfi_platform.h"
19
20 #define VDBGL "VenusLow : "
21 #define VDBGM "VenusMed : "
22 #define VDBGH "VenusHigh: "
23 #define VDBGFW "VenusFW : "
24
25 #define VIDC_CLKS_NUM_MAX 4
26 #define VIDC_VCODEC_CLKS_NUM_MAX 2
27 #define VIDC_PMDOMAINS_NUM_MAX 3
28 #define VIDC_RESETS_NUM_MAX 2
29
30 extern int venus_fw_debug;
31
32 struct freq_tbl {
33 unsigned int load;
34 unsigned long freq;
35 };
36
37 struct reg_val {
38 u32 reg;
39 u32 value;
40 };
41
42 struct bw_tbl {
43 u32 mbs_per_sec;
44 u32 avg;
45 u32 peak;
46 u32 avg_10bit;
47 u32 peak_10bit;
48 };
49
50 struct venus_resources {
51 u64 dma_mask;
52 const struct freq_tbl *freq_tbl;
53 unsigned int freq_tbl_size;
54 const struct bw_tbl *bw_tbl_enc;
55 unsigned int bw_tbl_enc_size;
56 const struct bw_tbl *bw_tbl_dec;
57 unsigned int bw_tbl_dec_size;
58 const struct reg_val *reg_tbl;
59 unsigned int reg_tbl_size;
60 const char * const clks[VIDC_CLKS_NUM_MAX];
61 unsigned int clks_num;
62 const char * const vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
63 const char * const vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
64 unsigned int vcodec_clks_num;
65 const char * const vcodec_pmdomains[VIDC_PMDOMAINS_NUM_MAX];
66 unsigned int vcodec_pmdomains_num;
67 const char **opp_pmdomain;
68 unsigned int vcodec_num;
69 const char * const resets[VIDC_RESETS_NUM_MAX];
70 unsigned int resets_num;
71 enum hfi_version hfi_version;
72 u8 num_vpp_pipes;
73 u32 max_load;
74 unsigned int vmem_id;
75 u32 vmem_size;
76 u32 vmem_addr;
77 u32 cp_start;
78 u32 cp_size;
79 u32 cp_nonpixel_start;
80 u32 cp_nonpixel_size;
81 const char *fwname;
82 };
83
84 struct venus_format {
85 u32 pixfmt;
86 unsigned int num_planes;
87 u32 type;
88 u32 flags;
89 };
90
91 /**
92 * struct venus_core - holds core parameters valid for all instances
93 *
94 * @base: IO memory base address
95 * @vbif_base: IO memory vbif base address
96 * @cpu_base: IO memory cpu base address
97 * @cpu_cs_base: IO memory cpu_cs base address
98 * @cpu_ic_base: IO memory cpu_ic base address
99 * @wrapper_base: IO memory wrapper base address
100 * @wrapper_tz_base: IO memory wrapper TZ base address
101 * @aon_base: AON base address
102 * @irq: Venus irq
103 * @clks: an array of struct clk pointers
104 * @vcodec0_clks: an array of vcodec0 struct clk pointers
105 * @vcodec1_clks: an array of vcodec1 struct clk pointers
106 * @video_path: an interconnect handle to video to/from memory path
107 * @cpucfg_path: an interconnect handle to cpu configuration path
108 * @opp_table: an device OPP table handle
109 * @has_opp_table: does OPP table exist
110 * @pmdomains: an array of pmdomains struct device pointers
111 * @opp_dl_venus: an device-link for device OPP
112 * @opp_pmdomain: an OPP power-domain
113 * @resets: an array of reset signals
114 * @vdev_dec: a reference to video device structure for decoder instances
115 * @vdev_enc: a reference to video device structure for encoder instances
116 * @v4l2_dev: a holder for v4l2 device structure
117 * @res: a reference to venus resources structure
118 * @dev: convenience struct device pointer
119 * @dev_dec: convenience struct device pointer for decoder device
120 * @dev_enc: convenience struct device pointer for encoder device
121 * @use_tz: a flag that suggests presence of trustzone
122 * @fw: structure of firmware parameters
123 * @lock: a lock for this strucure
124 * @instances: a list_head of all instances
125 * @insts_count: num of instances
126 * @state: the state of the venus core
127 * @done: a completion for sync HFI operations
128 * @error: an error returned during last HFI sync operations
129 * @sys_error: an error flag that signal system error event
130 * @core_ops: the core operations
131 * @pm_ops: a pointer to pm operations
132 * @pm_lock: a lock for PM operations
133 * @enc_codecs: encoders supported by this core
134 * @dec_codecs: decoders supported by this core
135 * @max_sessions_supported: holds the maximum number of sessions
136 * @priv: a private filed for HFI operations
137 * @ops: the core HFI operations
138 * @work: a delayed work for handling system fatal error
139 * @caps: an array of supported HFI capabilities
140 * @codecs_count: platform codecs count
141 * @core0_usage_count: usage counter for core0
142 * @core1_usage_count: usage counter for core1
143 * @root: debugfs root directory
144 */
145 struct venus_core {
146 void __iomem *base;
147 void __iomem *vbif_base;
148 void __iomem *cpu_base;
149 void __iomem *cpu_cs_base;
150 void __iomem *cpu_ic_base;
151 void __iomem *wrapper_base;
152 void __iomem *wrapper_tz_base;
153 void __iomem *aon_base;
154 int irq;
155 struct clk *clks[VIDC_CLKS_NUM_MAX];
156 struct clk *vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
157 struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
158 struct icc_path *video_path;
159 struct icc_path *cpucfg_path;
160 bool has_opp_table;
161 struct device *pmdomains[VIDC_PMDOMAINS_NUM_MAX];
162 struct device_link *opp_dl_venus;
163 struct device *opp_pmdomain;
164 struct reset_control *resets[VIDC_RESETS_NUM_MAX];
165 struct video_device *vdev_dec;
166 struct video_device *vdev_enc;
167 struct v4l2_device v4l2_dev;
168 const struct venus_resources *res;
169 struct device *dev;
170 struct device *dev_dec;
171 struct device *dev_enc;
172 unsigned int use_tz;
173 struct video_firmware {
174 struct device *dev;
175 struct iommu_domain *iommu_domain;
176 size_t mapped_mem_size;
177 phys_addr_t mem_phys;
178 size_t mem_size;
179 } fw;
180 struct mutex lock;
181 struct list_head instances;
182 atomic_t insts_count;
183 unsigned int state;
184 struct completion done;
185 unsigned int error;
186 unsigned long sys_error;
187 wait_queue_head_t sys_err_done;
188 const struct hfi_core_ops *core_ops;
189 const struct venus_pm_ops *pm_ops;
190 struct mutex pm_lock;
191 unsigned long enc_codecs;
192 unsigned long dec_codecs;
193 unsigned int max_sessions_supported;
194 void *priv;
195 const struct hfi_ops *ops;
196 struct delayed_work work;
197 struct hfi_plat_caps caps[MAX_CODEC_NUM];
198 unsigned int codecs_count;
199 unsigned int core0_usage_count;
200 unsigned int core1_usage_count;
201 struct dentry *root;
202 };
203
204 struct vdec_controls {
205 u32 post_loop_deb_mode;
206 u32 profile;
207 u32 level;
208 u32 display_delay;
209 u32 display_delay_enable;
210 u64 conceal_color;
211 };
212
213 struct venc_controls {
214 u16 gop_size;
215 u32 num_p_frames;
216 u32 num_b_frames;
217 u32 bitrate_mode;
218 u32 bitrate;
219 u32 bitrate_peak;
220 u32 rc_enable;
221 u32 const_quality;
222 u32 frame_skip_mode;
223
224 u32 h264_i_period;
225 u32 h264_entropy_mode;
226 u32 h264_i_qp;
227 u32 h264_p_qp;
228 u32 h264_b_qp;
229 u32 h264_min_qp;
230 u32 h264_max_qp;
231 u32 h264_i_min_qp;
232 u32 h264_i_max_qp;
233 u32 h264_p_min_qp;
234 u32 h264_p_max_qp;
235 u32 h264_b_min_qp;
236 u32 h264_b_max_qp;
237 u32 h264_loop_filter_mode;
238 s32 h264_loop_filter_alpha;
239 s32 h264_loop_filter_beta;
240 u32 h264_8x8_transform;
241
242 u32 hevc_i_qp;
243 u32 hevc_p_qp;
244 u32 hevc_b_qp;
245 u32 hevc_min_qp;
246 u32 hevc_max_qp;
247 u32 hevc_i_min_qp;
248 u32 hevc_i_max_qp;
249 u32 hevc_p_min_qp;
250 u32 hevc_p_max_qp;
251 u32 hevc_b_min_qp;
252 u32 hevc_b_max_qp;
253
254 u32 vp8_min_qp;
255 u32 vp8_max_qp;
256
257 u32 multi_slice_mode;
258 u32 multi_slice_max_bytes;
259 u32 multi_slice_max_mb;
260
261 u32 header_mode;
262 bool aud_enable;
263 u32 intra_refresh_period;
264
265 struct {
266 u32 h264;
267 u32 mpeg4;
268 u32 hevc;
269 u32 vp8;
270 u32 vp9;
271 } profile;
272 struct {
273 u32 h264;
274 u32 mpeg4;
275 u32 hevc;
276 u32 vp9;
277 } level;
278
279 u32 base_priority_id;
280 u32 ltr_count;
281 struct v4l2_ctrl_hdr10_cll_info cll;
282 struct v4l2_ctrl_hdr10_mastering_display mastering;
283 };
284
285 struct venus_buffer {
286 struct vb2_v4l2_buffer vb;
287 struct list_head list;
288 dma_addr_t dma_addr;
289 u32 size;
290 struct list_head reg_list;
291 u32 flags;
292 struct list_head ref_list;
293 };
294
295 struct clock_data {
296 u32 core_id;
297 unsigned long freq;
298 unsigned long vpp_freq;
299 unsigned long vsp_freq;
300 unsigned long low_power_freq;
301 };
302
303 #define to_venus_buffer(ptr) container_of(ptr, struct venus_buffer, vb)
304
305 enum venus_dec_state {
306 VENUS_DEC_STATE_DEINIT = 0,
307 VENUS_DEC_STATE_INIT = 1,
308 VENUS_DEC_STATE_CAPTURE_SETUP = 2,
309 VENUS_DEC_STATE_STOPPED = 3,
310 VENUS_DEC_STATE_SEEK = 4,
311 VENUS_DEC_STATE_DRAIN = 5,
312 VENUS_DEC_STATE_DECODING = 6,
313 VENUS_DEC_STATE_DRC = 7,
314 };
315
316 struct venus_ts_metadata {
317 bool used;
318 u64 ts_ns;
319 u64 ts_us;
320 u32 flags;
321 struct v4l2_timecode tc;
322 };
323
324 enum venus_inst_modes {
325 VENUS_LOW_POWER = BIT(0),
326 };
327
328 /**
329 * struct venus_inst - holds per instance parameters
330 *
331 * @list: used for attach an instance to the core
332 * @lock: instance lock
333 * @core: a reference to the core struct
334 * @clk_data: clock data per core ID
335 * @dpbbufs: a list of decoded picture buffers
336 * @internalbufs: a list of internal bufferes
337 * @registeredbufs: a list of registered capture bufferes
338 * @delayed_process: a list of delayed buffers
339 * @delayed_process_work: a work_struct for process delayed buffers
340 * @nonblock: nonblocking flag
341 * @ctrl_handler: v4l control handler
342 * @controls: a union of decoder and encoder control parameters
343 * @fh: a holder of v4l file handle structure
344 * @streamon_cap: stream on flag for capture queue
345 * @streamon_out: stream on flag for output queue
346 * @width: current capture width
347 * @height: current capture height
348 * @crop: current crop rectangle
349 * @out_width: current output width
350 * @out_height: current output height
351 * @colorspace: current color space
352 * @ycbcr_enc: current YCbCr encoding
353 * @quantization: current quantization
354 * @xfer_func: current xfer function
355 * @codec_state: current codec API state (see DEC/ENC_STATE_)
356 * @reconf_wait: wait queue for resolution change event
357 * @subscriptions: used to hold current events subscriptions
358 * @buf_count: used to count number of buffers (reqbuf(0))
359 * @tss: timestamp metadata
360 * @payloads: cache plane payload to use it for clock/BW scaling
361 * @fps: holds current FPS
362 * @timeperframe: holds current time per frame structure
363 * @fmt_out: a reference to output format structure
364 * @fmt_cap: a reference to capture format structure
365 * @num_input_bufs: holds number of input buffers
366 * @num_output_bufs: holds number of output buffers
367 * @input_buf_size: holds input buffer size
368 * @output_buf_size: holds output buffer size
369 * @output2_buf_size: holds secondary decoder output buffer size
370 * @dpb_buftype: decoded picture buffer type
371 * @dpb_fmt: decoded picture buffer raw format
372 * @opb_buftype: output picture buffer type
373 * @opb_fmt: output picture buffer raw format
374 * @reconfig: a flag raised by decoder when the stream resolution changed
375 * @hfi_codec: current codec for this instance in HFI space
376 * @sequence_cap: a sequence counter for capture queue
377 * @sequence_out: a sequence counter for output queue
378 * @m2m_dev: a reference to m2m device structure
379 * @m2m_ctx: a reference to m2m context structure
380 * @state: current state of the instance
381 * @done: a completion for sync HFI operation
382 * @error: an error returned during last HFI sync operation
383 * @session_error: a flag rised by HFI interface in case of session error
384 * @ops: HFI operations
385 * @priv: a private for HFI operations callbacks
386 * @session_type: the type of the session (decoder or encoder)
387 * @hprop: a union used as a holder by get property
388 * @core_acquired: the Core has been acquired
389 * @bit_depth: current bitstream bit-depth
390 * @pic_struct: bitstream progressive vs interlaced
391 * @next_buf_last: a flag to mark next queued capture buffer as last
392 * @drain_active: Drain sequence is in progress
393 */
394 struct venus_inst {
395 struct list_head list;
396 struct mutex lock;
397 struct venus_core *core;
398 struct clock_data clk_data;
399 struct list_head dpbbufs;
400 struct list_head internalbufs;
401 struct list_head registeredbufs;
402 struct list_head delayed_process;
403 struct work_struct delayed_process_work;
404 bool nonblock;
405
406 struct v4l2_ctrl_handler ctrl_handler;
407 union {
408 struct vdec_controls dec;
409 struct venc_controls enc;
410 } controls;
411 struct v4l2_fh fh;
412 unsigned int streamon_cap, streamon_out;
413 u32 width;
414 u32 height;
415 struct v4l2_rect crop;
416 u32 fw_min_cnt;
417 u32 out_width;
418 u32 out_height;
419 u32 colorspace;
420 u8 ycbcr_enc;
421 u8 quantization;
422 u8 xfer_func;
423 enum venus_dec_state codec_state;
424 wait_queue_head_t reconf_wait;
425 unsigned int subscriptions;
426 int buf_count;
427 struct venus_ts_metadata tss[VIDEO_MAX_FRAME];
428 unsigned long payloads[VIDEO_MAX_FRAME];
429 u64 fps;
430 struct v4l2_fract timeperframe;
431 const struct venus_format *fmt_out;
432 const struct venus_format *fmt_cap;
433 unsigned int num_input_bufs;
434 unsigned int num_output_bufs;
435 unsigned int input_buf_size;
436 unsigned int output_buf_size;
437 unsigned int output2_buf_size;
438 u32 dpb_buftype;
439 u32 dpb_fmt;
440 u32 opb_buftype;
441 u32 opb_fmt;
442 bool reconfig;
443 u32 hfi_codec;
444 u32 sequence_cap;
445 u32 sequence_out;
446 struct v4l2_m2m_dev *m2m_dev;
447 struct v4l2_m2m_ctx *m2m_ctx;
448 unsigned int state;
449 struct completion done;
450 unsigned int error;
451 bool session_error;
452 const struct hfi_inst_ops *ops;
453 u32 session_type;
454 union hfi_get_property hprop;
455 unsigned int core_acquired: 1;
456 unsigned int bit_depth;
457 unsigned int pic_struct;
458 bool next_buf_last;
459 bool drain_active;
460 enum venus_inst_modes flags;
461 struct ida dpb_ids;
462 };
463
464 #define IS_V1(core) ((core)->res->hfi_version == HFI_VERSION_1XX)
465 #define IS_V3(core) ((core)->res->hfi_version == HFI_VERSION_3XX)
466 #define IS_V4(core) ((core)->res->hfi_version == HFI_VERSION_4XX)
467 #define IS_V6(core) ((core)->res->hfi_version == HFI_VERSION_6XX)
468
469 #define ctrl_to_inst(ctrl) \
470 container_of((ctrl)->handler, struct venus_inst, ctrl_handler)
471
to_inst(struct file * filp)472 static inline struct venus_inst *to_inst(struct file *filp)
473 {
474 return container_of(filp->private_data, struct venus_inst, fh);
475 }
476
to_hfi_priv(struct venus_core * core)477 static inline void *to_hfi_priv(struct venus_core *core)
478 {
479 return core->priv;
480 }
481
482 static inline struct hfi_plat_caps *
venus_caps_by_codec(struct venus_core * core,u32 codec,u32 domain)483 venus_caps_by_codec(struct venus_core *core, u32 codec, u32 domain)
484 {
485 unsigned int c;
486
487 for (c = 0; c < core->codecs_count; c++) {
488 if (core->caps[c].codec == codec &&
489 core->caps[c].domain == domain)
490 return &core->caps[c];
491 }
492
493 return NULL;
494 }
495
496 #endif
497