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 #include "hfi_helper.h"
20 
21 #define VDBGL	"VenusLow : "
22 #define VDBGM	"VenusMed : "
23 #define VDBGH	"VenusHigh: "
24 #define VDBGFW	"VenusFW  : "
25 
26 #define VIDC_CLKS_NUM_MAX		4
27 #define VIDC_VCODEC_CLKS_NUM_MAX	2
28 #define VIDC_PMDOMAINS_NUM_MAX		3
29 #define VIDC_RESETS_NUM_MAX		2
30 
31 extern int venus_fw_debug;
32 
33 struct freq_tbl {
34 	unsigned int load;
35 	unsigned long freq;
36 };
37 
38 struct reg_val {
39 	u32 reg;
40 	u32 value;
41 };
42 
43 struct bw_tbl {
44 	u32 mbs_per_sec;
45 	u32 avg;
46 	u32 peak;
47 	u32 avg_10bit;
48 	u32 peak_10bit;
49 };
50 
51 enum vpu_version {
52 	VPU_VERSION_AR50,
53 	VPU_VERSION_AR50_LITE,
54 	VPU_VERSION_IRIS1,
55 	VPU_VERSION_IRIS2,
56 	VPU_VERSION_IRIS2_1,
57 };
58 
59 struct venus_resources {
60 	u64 dma_mask;
61 	const struct freq_tbl *freq_tbl;
62 	unsigned int freq_tbl_size;
63 	const struct bw_tbl *bw_tbl_enc;
64 	unsigned int bw_tbl_enc_size;
65 	const struct bw_tbl *bw_tbl_dec;
66 	unsigned int bw_tbl_dec_size;
67 	const struct reg_val *reg_tbl;
68 	unsigned int reg_tbl_size;
69 	const struct hfi_ubwc_config *ubwc_conf;
70 	const char * const clks[VIDC_CLKS_NUM_MAX];
71 	unsigned int clks_num;
72 	const char * const vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
73 	const char * const vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
74 	unsigned int vcodec_clks_num;
75 	const char * const vcodec_pmdomains[VIDC_PMDOMAINS_NUM_MAX];
76 	unsigned int vcodec_pmdomains_num;
77 	const char **opp_pmdomain;
78 	unsigned int vcodec_num;
79 	const char * const resets[VIDC_RESETS_NUM_MAX];
80 	unsigned int resets_num;
81 	enum hfi_version hfi_version;
82 	enum vpu_version vpu_version;
83 	u8 num_vpp_pipes;
84 	u32 max_load;
85 	unsigned int vmem_id;
86 	u32 vmem_size;
87 	u32 vmem_addr;
88 	u32 cp_start;
89 	u32 cp_size;
90 	u32 cp_nonpixel_start;
91 	u32 cp_nonpixel_size;
92 	const char *fwname;
93 };
94 
95 enum venus_fmt {
96 	VENUS_FMT_NV12			= 0,
97 	VENUS_FMT_QC08C			= 1,
98 	VENUS_FMT_QC10C			= 2,
99 	VENUS_FMT_P010			= 3,
100 	VENUS_FMT_H264			= 4,
101 	VENUS_FMT_VP8			= 5,
102 	VENUS_FMT_VP9			= 6,
103 	VENUS_FMT_HEVC			= 7,
104 	VENUS_FMT_VC1_ANNEX_G		= 8,
105 	VENUS_FMT_VC1_ANNEX_L		= 9,
106 	VENUS_FMT_MPEG4			= 10,
107 	VENUS_FMT_MPEG2			= 11,
108 	VENUS_FMT_H263			= 12,
109 	VENUS_FMT_XVID			= 13,
110 };
111 
112 struct venus_format {
113 	u32 pixfmt;
114 	unsigned int num_planes;
115 	u32 type;
116 	u32 flags;
117 };
118 
119 /**
120  * struct venus_core - holds core parameters valid for all instances
121  *
122  * @base:	IO memory base address
123  * @vbif_base:	IO memory vbif base address
124  * @cpu_base:	IO memory cpu base address
125  * @cpu_cs_base:	IO memory cpu_cs base address
126  * @cpu_ic_base:	IO memory cpu_ic base address
127  * @wrapper_base:	IO memory wrapper base address
128  * @wrapper_tz_base:	IO memory wrapper TZ base address
129  * @aon_base:	AON base address
130  * @irq:		Venus irq
131  * @clks:	an array of struct clk pointers
132  * @vcodec0_clks: an array of vcodec0 struct clk pointers
133  * @vcodec1_clks: an array of vcodec1 struct clk pointers
134  * @video_path: an interconnect handle to video to/from memory path
135  * @cpucfg_path: an interconnect handle to cpu configuration path
136  * @has_opp_table: does OPP table exist
137  * @pmdomains:	an array of pmdomains struct device pointers
138  * @opp_dl_venus: an device-link for device OPP
139  * @opp_pmdomain: an OPP power-domain
140  * @resets: an array of reset signals
141  * @vdev_dec:	a reference to video device structure for decoder instances
142  * @vdev_enc:	a reference to video device structure for encoder instances
143  * @v4l2_dev:	a holder for v4l2 device structure
144  * @res:		a reference to venus resources structure
145  * @dev:		convenience struct device pointer
146  * @dev_dec:	convenience struct device pointer for decoder device
147  * @dev_enc:	convenience struct device pointer for encoder device
148  * @use_tz:	a flag that suggests presence of trustzone
149  * @fw:		structure of firmware parameters
150  * @lock:	a lock for this strucure
151  * @instances:	a list_head of all instances
152  * @insts_count:	num of instances
153  * @state:	the state of the venus core
154  * @done:	a completion for sync HFI operations
155  * @error:	an error returned during last HFI sync operations
156  * @sys_error:	an error flag that signal system error event
157  * @sys_err_done: a waitqueue to wait for system error recovery end
158  * @core_ops:	the core operations
159  * @pm_ops:	a pointer to pm operations
160  * @pm_lock:	a lock for PM operations
161  * @enc_codecs:	encoders supported by this core
162  * @dec_codecs:	decoders supported by this core
163  * @max_sessions_supported:	holds the maximum number of sessions
164  * @priv:	a private filed for HFI operations
165  * @ops:		the core HFI operations
166  * @work:	a delayed work for handling system fatal error
167  * @caps:	an array of supported HFI capabilities
168  * @codecs_count: platform codecs count
169  * @core0_usage_count: usage counter for core0
170  * @core1_usage_count: usage counter for core1
171  * @root:	debugfs root directory
172  * @venus_ver:	the venus firmware version
173  */
174 struct venus_core {
175 	void __iomem *base;
176 	void __iomem *vbif_base;
177 	void __iomem *cpu_base;
178 	void __iomem *cpu_cs_base;
179 	void __iomem *cpu_ic_base;
180 	void __iomem *wrapper_base;
181 	void __iomem *wrapper_tz_base;
182 	void __iomem *aon_base;
183 	int irq;
184 	struct clk *clks[VIDC_CLKS_NUM_MAX];
185 	struct clk *vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
186 	struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
187 	struct icc_path *video_path;
188 	struct icc_path *cpucfg_path;
189 	bool has_opp_table;
190 	struct device *pmdomains[VIDC_PMDOMAINS_NUM_MAX];
191 	struct device_link *opp_dl_venus;
192 	struct device *opp_pmdomain;
193 	struct reset_control *resets[VIDC_RESETS_NUM_MAX];
194 	struct video_device *vdev_dec;
195 	struct video_device *vdev_enc;
196 	struct v4l2_device v4l2_dev;
197 	const struct venus_resources *res;
198 	struct device *dev;
199 	struct device *dev_dec;
200 	struct device *dev_enc;
201 	unsigned int use_tz;
202 	struct video_firmware {
203 		struct device *dev;
204 		struct iommu_domain *iommu_domain;
205 		size_t mapped_mem_size;
206 		phys_addr_t mem_phys;
207 		size_t mem_size;
208 	} fw;
209 	struct mutex lock;
210 	struct list_head instances;
211 	atomic_t insts_count;
212 	unsigned int state;
213 	struct completion done;
214 	unsigned int error;
215 	unsigned long sys_error;
216 	wait_queue_head_t sys_err_done;
217 	const struct hfi_core_ops *core_ops;
218 	const struct venus_pm_ops *pm_ops;
219 	struct mutex pm_lock;
220 	unsigned long enc_codecs;
221 	unsigned long dec_codecs;
222 	unsigned int max_sessions_supported;
223 	void *priv;
224 	const struct hfi_ops *ops;
225 	struct delayed_work work;
226 	struct hfi_plat_caps caps[MAX_CODEC_NUM];
227 	unsigned int codecs_count;
228 	unsigned int core0_usage_count;
229 	unsigned int core1_usage_count;
230 	struct dentry *root;
231 	struct venus_img_version {
232 		u32 major;
233 		u32 minor;
234 		u32 rev;
235 	} venus_ver;
236 };
237 
238 struct vdec_controls {
239 	u32 post_loop_deb_mode;
240 	u32 profile;
241 	u32 level;
242 	u32 display_delay;
243 	u32 display_delay_enable;
244 	u64 conceal_color;
245 };
246 
247 struct venc_controls {
248 	u16 gop_size;
249 	u32 num_p_frames;
250 	u32 num_b_frames;
251 	u32 bitrate_mode;
252 	u32 bitrate;
253 	u32 bitrate_peak;
254 	u32 rc_enable;
255 	u32 const_quality;
256 	u32 frame_skip_mode;
257 
258 	u32 h264_i_period;
259 	u32 h264_entropy_mode;
260 	u32 h264_i_qp;
261 	u32 h264_p_qp;
262 	u32 h264_b_qp;
263 	u32 h264_min_qp;
264 	u32 h264_max_qp;
265 	u32 h264_i_min_qp;
266 	u32 h264_i_max_qp;
267 	u32 h264_p_min_qp;
268 	u32 h264_p_max_qp;
269 	u32 h264_b_min_qp;
270 	u32 h264_b_max_qp;
271 	u32 h264_loop_filter_mode;
272 	s32 h264_loop_filter_alpha;
273 	s32 h264_loop_filter_beta;
274 	u32 h264_8x8_transform;
275 
276 	u32 hevc_i_qp;
277 	u32 hevc_p_qp;
278 	u32 hevc_b_qp;
279 	u32 hevc_min_qp;
280 	u32 hevc_max_qp;
281 	u32 hevc_i_min_qp;
282 	u32 hevc_i_max_qp;
283 	u32 hevc_p_min_qp;
284 	u32 hevc_p_max_qp;
285 	u32 hevc_b_min_qp;
286 	u32 hevc_b_max_qp;
287 
288 	u32 vp8_min_qp;
289 	u32 vp8_max_qp;
290 
291 	u32 multi_slice_mode;
292 	u32 multi_slice_max_bytes;
293 	u32 multi_slice_max_mb;
294 
295 	u32 header_mode;
296 	bool aud_enable;
297 	u32 intra_refresh_type;
298 	u32 intra_refresh_period;
299 
300 	struct {
301 		u32 h264;
302 		u32 mpeg4;
303 		u32 hevc;
304 		u32 vp8;
305 		u32 vp9;
306 	} profile;
307 	struct {
308 		u32 h264;
309 		u32 mpeg4;
310 		u32 hevc;
311 		u32 vp9;
312 	} level;
313 
314 	u32 base_priority_id;
315 	u32 ltr_count;
316 	struct v4l2_ctrl_hdr10_cll_info cll;
317 	struct v4l2_ctrl_hdr10_mastering_display mastering;
318 };
319 
320 struct venus_buffer {
321 	struct vb2_v4l2_buffer vb;
322 	struct list_head list;
323 	dma_addr_t dma_addr;
324 	u32 size;
325 	struct list_head reg_list;
326 	u32 flags;
327 	struct list_head ref_list;
328 };
329 
330 struct clock_data {
331 	u32 core_id;
332 	unsigned long freq;
333 	unsigned long vpp_freq;
334 	unsigned long vsp_freq;
335 	unsigned long low_power_freq;
336 };
337 
338 #define to_venus_buffer(ptr)	container_of(ptr, struct venus_buffer, vb)
339 
340 enum venus_dec_state {
341 	VENUS_DEC_STATE_DEINIT		= 0,
342 	VENUS_DEC_STATE_INIT		= 1,
343 	VENUS_DEC_STATE_CAPTURE_SETUP	= 2,
344 	VENUS_DEC_STATE_STOPPED		= 3,
345 	VENUS_DEC_STATE_SEEK		= 4,
346 	VENUS_DEC_STATE_DRAIN		= 5,
347 	VENUS_DEC_STATE_DECODING	= 6,
348 	VENUS_DEC_STATE_DRC		= 7,
349 };
350 
351 enum venus_enc_state {
352 	VENUS_ENC_STATE_DEINIT		= 0,
353 	VENUS_ENC_STATE_INIT		= 1,
354 	VENUS_ENC_STATE_ENCODING	= 2,
355 	VENUS_ENC_STATE_STOPPED		= 3,
356 	VENUS_ENC_STATE_DRAIN		= 4,
357 };
358 
359 struct venus_ts_metadata {
360 	bool used;
361 	u64 ts_ns;
362 	u64 ts_us;
363 	u32 flags;
364 	struct v4l2_timecode tc;
365 };
366 
367 enum venus_inst_modes {
368 	VENUS_LOW_POWER = BIT(0),
369 };
370 
371 /**
372  * struct venus_inst - holds per instance parameters
373  *
374  * @list:	used for attach an instance to the core
375  * @lock:	instance lock
376  * @core:	a reference to the core struct
377  * @clk_data:	clock data per core ID
378  * @dpbbufs:	a list of decoded picture buffers
379  * @internalbufs:	a list of internal bufferes
380  * @registeredbufs:	a list of registered capture bufferes
381  * @delayed_process:	a list of delayed buffers
382  * @delayed_process_work:	a work_struct for process delayed buffers
383  * @nonblock:		nonblocking flag
384  * @ctrl_handler:	v4l control handler
385  * @controls:	a union of decoder and encoder control parameters
386  * @fh:	 a holder of v4l file handle structure
387  * @streamon_cap: stream on flag for capture queue
388  * @streamon_out: stream on flag for output queue
389  * @width:	current capture width
390  * @height:	current capture height
391  * @crop:	current crop rectangle
392  * @fw_min_cnt:	 firmware minimum buffer count
393  * @out_width:	current output width
394  * @out_height:	current output height
395  * @colorspace:	current color space
396  * @ycbcr_enc:	current YCbCr encoding
397  * @quantization:	current quantization
398  * @xfer_func:	current xfer function
399  * @codec_state:	current decoder API state (see DEC_STATE_)
400  * @enc_state:		current encoder API state (see ENC_STATE_)
401  * @reconf_wait:	wait queue for resolution change event
402  * @subscriptions:	used to hold current events subscriptions
403  * @buf_count:		used to count number of buffers (reqbuf(0))
404  * @tss:		timestamp metadata
405  * @payloads:		cache plane payload to use it for clock/BW scaling
406  * @fps:		holds current FPS
407  * @timeperframe:	holds current time per frame structure
408  * @fmt_out:	a reference to output format structure
409  * @fmt_cap:	a reference to capture format structure
410  * @num_input_bufs:	holds number of input buffers
411  * @num_output_bufs:	holds number of output buffers
412  * @input_buf_size:	holds input buffer size
413  * @output_buf_size:	holds output buffer size
414  * @output2_buf_size:	holds secondary decoder output buffer size
415  * @dpb_buftype:	decoded picture buffer type
416  * @dpb_fmt:		decoded picture buffer raw format
417  * @opb_buftype:	output picture buffer type
418  * @opb_fmt:		output picture buffer raw format
419  * @reconfig:	a flag raised by decoder when the stream resolution changed
420  * @hfi_codec:		current codec for this instance in HFI space
421  * @sequence_cap:	a sequence counter for capture queue
422  * @sequence_out:	a sequence counter for output queue
423  * @m2m_dev:	a reference to m2m device structure
424  * @m2m_ctx:	a reference to m2m context structure
425  * @ctx_q_lock:	a lock to serialize video device ioctl calls
426  * @state:	current state of the instance
427  * @done:	a completion for sync HFI operation
428  * @error:	an error returned during last HFI sync operation
429  * @session_error:	a flag rised by HFI interface in case of session error
430  * @ops:		HFI operations
431  * @priv:	a private for HFI operations callbacks
432  * @session_type:	the type of the session (decoder or encoder)
433  * @hprop:	a union used as a holder by get property
434  * @core_acquired:	the Core has been acquired
435  * @bit_depth:		current bitstream bit-depth
436  * @pic_struct:		bitstream progressive vs interlaced
437  * @next_buf_last: a flag to mark next queued capture buffer as last
438  * @drain_active:	Drain sequence is in progress
439  * @flags:	bitmask flags describing current instance mode
440  * @dpb_ids:	DPB buffer ID's
441  */
442 struct venus_inst {
443 	struct list_head list;
444 	struct mutex lock;
445 	struct venus_core *core;
446 	struct clock_data clk_data;
447 	struct list_head dpbbufs;
448 	struct list_head internalbufs;
449 	struct list_head registeredbufs;
450 	struct list_head delayed_process;
451 	struct work_struct delayed_process_work;
452 	bool nonblock;
453 
454 	struct v4l2_ctrl_handler ctrl_handler;
455 	union {
456 		struct vdec_controls dec;
457 		struct venc_controls enc;
458 	} controls;
459 	struct v4l2_fh fh;
460 	unsigned int streamon_cap, streamon_out;
461 	u32 width;
462 	u32 height;
463 	struct v4l2_rect crop;
464 	u32 fw_min_cnt;
465 	u32 out_width;
466 	u32 out_height;
467 	u32 colorspace;
468 	u8 ycbcr_enc;
469 	u8 quantization;
470 	u8 xfer_func;
471 	enum venus_dec_state codec_state;
472 	enum venus_enc_state enc_state;
473 	wait_queue_head_t reconf_wait;
474 	unsigned int subscriptions;
475 	int buf_count;
476 	struct venus_ts_metadata tss[VIDEO_MAX_FRAME];
477 	unsigned long payloads[VIDEO_MAX_FRAME];
478 	u64 fps;
479 	struct v4l2_fract timeperframe;
480 	const struct venus_format *fmt_out;
481 	const struct venus_format *fmt_cap;
482 	unsigned int num_input_bufs;
483 	unsigned int num_output_bufs;
484 	unsigned int input_buf_size;
485 	unsigned int output_buf_size;
486 	unsigned int output2_buf_size;
487 	u32 dpb_buftype;
488 	u32 dpb_fmt;
489 	u32 opb_buftype;
490 	u32 opb_fmt;
491 	bool reconfig;
492 	u32 hfi_codec;
493 	u32 sequence_cap;
494 	u32 sequence_out;
495 	struct v4l2_m2m_dev *m2m_dev;
496 	struct v4l2_m2m_ctx *m2m_ctx;
497 	struct mutex ctx_q_lock;
498 	unsigned int state;
499 	struct completion done;
500 	unsigned int error;
501 	bool session_error;
502 	const struct hfi_inst_ops *ops;
503 	u32 session_type;
504 	union hfi_get_property hprop;
505 	unsigned int core_acquired: 1;
506 	unsigned int bit_depth;
507 	unsigned int pic_struct;
508 	bool next_buf_last;
509 	bool drain_active;
510 	enum venus_inst_modes flags;
511 	struct ida dpb_ids;
512 };
513 
514 #define IS_V1(core)	((core)->res->hfi_version == HFI_VERSION_1XX)
515 #define IS_V3(core)	((core)->res->hfi_version == HFI_VERSION_3XX)
516 #define IS_V4(core)	((core)->res->hfi_version == HFI_VERSION_4XX)
517 #define IS_V6(core)	((core)->res->hfi_version == HFI_VERSION_6XX)
518 
519 #define IS_AR50(core)		((core)->res->vpu_version == VPU_VERSION_AR50)
520 #define IS_AR50_LITE(core)	((core)->res->vpu_version == VPU_VERSION_AR50_LITE)
521 #define IS_IRIS1(core)		((core)->res->vpu_version == VPU_VERSION_IRIS1)
522 #define IS_IRIS2(core)		((core)->res->vpu_version == VPU_VERSION_IRIS2)
523 #define IS_IRIS2_1(core)	((core)->res->vpu_version == VPU_VERSION_IRIS2_1)
524 
525 #define ctrl_to_inst(ctrl)	\
526 	container_of((ctrl)->handler, struct venus_inst, ctrl_handler)
527 
to_inst(struct file * filp)528 static inline struct venus_inst *to_inst(struct file *filp)
529 {
530 	return container_of(filp->private_data, struct venus_inst, fh);
531 }
532 
to_hfi_priv(struct venus_core * core)533 static inline void *to_hfi_priv(struct venus_core *core)
534 {
535 	return core->priv;
536 }
537 
538 static inline struct hfi_plat_caps *
venus_caps_by_codec(struct venus_core * core,u32 codec,u32 domain)539 venus_caps_by_codec(struct venus_core *core, u32 codec, u32 domain)
540 {
541 	unsigned int c;
542 
543 	for (c = 0; c < core->codecs_count; c++) {
544 		if (core->caps[c].codec == codec &&
545 		    core->caps[c].domain == domain)
546 			return &core->caps[c];
547 	}
548 
549 	return NULL;
550 }
551 
552 static inline bool
is_fw_rev_or_newer(struct venus_core * core,u32 vmajor,u32 vminor,u32 vrev)553 is_fw_rev_or_newer(struct venus_core *core, u32 vmajor, u32 vminor, u32 vrev)
554 {
555 	return ((core)->venus_ver.major == vmajor &&
556 		(core)->venus_ver.minor == vminor &&
557 		(core)->venus_ver.rev >= vrev);
558 }
559 
560 static inline bool
is_fw_rev_or_older(struct venus_core * core,u32 vmajor,u32 vminor,u32 vrev)561 is_fw_rev_or_older(struct venus_core *core, u32 vmajor, u32 vminor, u32 vrev)
562 {
563 	return ((core)->venus_ver.major == vmajor &&
564 		(core)->venus_ver.minor == vminor &&
565 		(core)->venus_ver.rev <= vrev);
566 }
567 #endif
568