xref: /linux/drivers/media/platform/qcom/venus/core.h (revision 44f57d78)
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 "hfi.h"
16 
17 #define VIDC_CLKS_NUM_MAX	4
18 
19 struct freq_tbl {
20 	unsigned int load;
21 	unsigned long freq;
22 };
23 
24 struct reg_val {
25 	u32 reg;
26 	u32 value;
27 };
28 
29 struct venus_resources {
30 	u64 dma_mask;
31 	const struct freq_tbl *freq_tbl;
32 	unsigned int freq_tbl_size;
33 	const struct reg_val *reg_tbl;
34 	unsigned int reg_tbl_size;
35 	const char * const clks[VIDC_CLKS_NUM_MAX];
36 	unsigned int clks_num;
37 	enum hfi_version hfi_version;
38 	u32 max_load;
39 	unsigned int vmem_id;
40 	u32 vmem_size;
41 	u32 vmem_addr;
42 	const char *fwname;
43 };
44 
45 struct venus_format {
46 	u32 pixfmt;
47 	unsigned int num_planes;
48 	u32 type;
49 };
50 
51 #define MAX_PLANES		4
52 #define MAX_FMT_ENTRIES		32
53 #define MAX_CAP_ENTRIES		32
54 #define MAX_ALLOC_MODE_ENTRIES	16
55 #define MAX_CODEC_NUM		32
56 
57 struct raw_formats {
58 	u32 buftype;
59 	u32 fmt;
60 };
61 
62 struct venus_caps {
63 	u32 codec;
64 	u32 domain;
65 	bool cap_bufs_mode_dynamic;
66 	unsigned int num_caps;
67 	struct hfi_capability caps[MAX_CAP_ENTRIES];
68 	unsigned int num_pl;
69 	struct hfi_profile_level pl[HFI_MAX_PROFILE_COUNT];
70 	unsigned int num_fmts;
71 	struct raw_formats fmts[MAX_FMT_ENTRIES];
72 	bool valid;	/* used only for Venus v1xx */
73 };
74 
75 /**
76  * struct venus_core - holds core parameters valid for all instances
77  *
78  * @base:	IO memory base address
79  * @irq:		Venus irq
80  * @clks:	an array of struct clk pointers
81  * @core0_clk:	a struct clk pointer for core0
82  * @core1_clk:	a struct clk pointer for core1
83  * @core0_bus_clk: a struct clk pointer for core0 bus clock
84  * @core1_bus_clk: a struct clk pointer for core1 bus clock
85  * @vdev_dec:	a reference to video device structure for decoder instances
86  * @vdev_enc:	a reference to video device structure for encoder instances
87  * @v4l2_dev:	a holder for v4l2 device structure
88  * @res:		a reference to venus resources structure
89  * @dev:		convenience struct device pointer
90  * @dev_dec:	convenience struct device pointer for decoder device
91  * @dev_enc:	convenience struct device pointer for encoder device
92  * @use_tz:	a flag that suggests presence of trustzone
93  * @lock:	a lock for this strucure
94  * @instances:	a list_head of all instances
95  * @insts_count:	num of instances
96  * @state:	the state of the venus core
97  * @done:	a completion for sync HFI operations
98  * @error:	an error returned during last HFI sync operations
99  * @sys_error:	an error flag that signal system error event
100  * @core_ops:	the core operations
101  * @enc_codecs:	encoders supported by this core
102  * @dec_codecs:	decoders supported by this core
103  * @max_sessions_supported:	holds the maximum number of sessions
104  * @core_caps:	core capabilities
105  * @priv:	a private filed for HFI operations
106  * @ops:		the core HFI operations
107  * @work:	a delayed work for handling system fatal error
108  */
109 struct venus_core {
110 	void __iomem *base;
111 	int irq;
112 	struct clk *clks[VIDC_CLKS_NUM_MAX];
113 	struct clk *core0_clk;
114 	struct clk *core1_clk;
115 	struct clk *core0_bus_clk;
116 	struct clk *core1_bus_clk;
117 	struct video_device *vdev_dec;
118 	struct video_device *vdev_enc;
119 	struct v4l2_device v4l2_dev;
120 	const struct venus_resources *res;
121 	struct device *dev;
122 	struct device *dev_dec;
123 	struct device *dev_enc;
124 	unsigned int use_tz;
125 	struct video_firmware {
126 		struct device *dev;
127 		struct iommu_domain *iommu_domain;
128 		size_t mapped_mem_size;
129 	} fw;
130 	struct mutex lock;
131 	struct list_head instances;
132 	atomic_t insts_count;
133 	unsigned int state;
134 	struct completion done;
135 	unsigned int error;
136 	bool sys_error;
137 	const struct hfi_core_ops *core_ops;
138 	unsigned long enc_codecs;
139 	unsigned long dec_codecs;
140 	unsigned int max_sessions_supported;
141 #define ENC_ROTATION_CAPABILITY		0x1
142 #define ENC_SCALING_CAPABILITY		0x2
143 #define ENC_DEINTERLACE_CAPABILITY	0x4
144 #define DEC_MULTI_STREAM_CAPABILITY	0x8
145 	unsigned int core_caps;
146 	void *priv;
147 	const struct hfi_ops *ops;
148 	struct delayed_work work;
149 	struct venus_caps caps[MAX_CODEC_NUM];
150 	unsigned int codecs_count;
151 };
152 
153 struct vdec_controls {
154 	u32 post_loop_deb_mode;
155 	u32 profile;
156 	u32 level;
157 };
158 
159 struct venc_controls {
160 	u16 gop_size;
161 	u32 num_p_frames;
162 	u32 num_b_frames;
163 	u32 bitrate_mode;
164 	u32 bitrate;
165 	u32 bitrate_peak;
166 
167 	u32 h264_i_period;
168 	u32 h264_entropy_mode;
169 	u32 h264_i_qp;
170 	u32 h264_p_qp;
171 	u32 h264_b_qp;
172 	u32 h264_min_qp;
173 	u32 h264_max_qp;
174 	u32 h264_loop_filter_mode;
175 	s32 h264_loop_filter_alpha;
176 	s32 h264_loop_filter_beta;
177 
178 	u32 vp8_min_qp;
179 	u32 vp8_max_qp;
180 
181 	u32 multi_slice_mode;
182 	u32 multi_slice_max_bytes;
183 	u32 multi_slice_max_mb;
184 
185 	u32 header_mode;
186 
187 	struct {
188 		u32 mpeg4;
189 		u32 h264;
190 		u32 vpx;
191 		u32 hevc;
192 	} profile;
193 	struct {
194 		u32 mpeg4;
195 		u32 h264;
196 		u32 hevc;
197 	} level;
198 };
199 
200 struct venus_buffer {
201 	struct vb2_v4l2_buffer vb;
202 	struct list_head list;
203 	dma_addr_t dma_addr;
204 	u32 size;
205 	struct list_head reg_list;
206 	u32 flags;
207 	struct list_head ref_list;
208 };
209 
210 #define to_venus_buffer(ptr)	container_of(ptr, struct venus_buffer, vb)
211 
212 /**
213  * struct venus_inst - holds per instance parameters
214  *
215  * @list:	used for attach an instance to the core
216  * @lock:	instance lock
217  * @core:	a reference to the core struct
218  * @dpbbufs:	a list of decoded picture buffers
219  * @internalbufs:	a list of internal bufferes
220  * @registeredbufs:	a list of registered capture bufferes
221  * @delayed_process	a list of delayed buffers
222  * @delayed_process_work:	a work_struct for process delayed buffers
223  * @ctrl_handler:	v4l control handler
224  * @controls:	a union of decoder and encoder control parameters
225  * @fh:	 a holder of v4l file handle structure
226  * @streamon_cap: stream on flag for capture queue
227  * @streamon_out: stream on flag for output queue
228  * @width:	current capture width
229  * @height:	current capture height
230  * @out_width:	current output width
231  * @out_height:	current output height
232  * @colorspace:	current color space
233  * @quantization:	current quantization
234  * @xfer_func:	current xfer function
235  * @fps:		holds current FPS
236  * @timeperframe:	holds current time per frame structure
237  * @fmt_out:	a reference to output format structure
238  * @fmt_cap:	a reference to capture format structure
239  * @num_input_bufs:	holds number of input buffers
240  * @num_output_bufs:	holds number of output buffers
241  * @input_buf_size	holds input buffer size
242  * @output_buf_size:	holds output buffer size
243  * @output2_buf_size:	holds secondary decoder output buffer size
244  * @dpb_buftype:	decoded picture buffer type
245  * @dpb_fmt:		decoded picture buffer raw format
246  * @opb_buftype:	output picture buffer type
247  * @opb_fmt:		output picture buffer raw format
248  * @reconfig:	a flag raised by decoder when the stream resolution changed
249  * @reconfig_width:	holds the new width
250  * @reconfig_height:	holds the new height
251  * @hfi_codec:		current codec for this instance in HFI space
252  * @sequence_cap:	a sequence counter for capture queue
253  * @sequence_out:	a sequence counter for output queue
254  * @m2m_dev:	a reference to m2m device structure
255  * @m2m_ctx:	a reference to m2m context structure
256  * @state:	current state of the instance
257  * @done:	a completion for sync HFI operation
258  * @error:	an error returned during last HFI sync operation
259  * @session_error:	a flag rised by HFI interface in case of session error
260  * @ops:		HFI operations
261  * @priv:	a private for HFI operations callbacks
262  * @session_type:	the type of the session (decoder or encoder)
263  * @hprop:	a union used as a holder by get property
264  */
265 struct venus_inst {
266 	struct list_head list;
267 	struct mutex lock;
268 	struct venus_core *core;
269 	struct list_head dpbbufs;
270 	struct list_head internalbufs;
271 	struct list_head registeredbufs;
272 	struct list_head delayed_process;
273 	struct work_struct delayed_process_work;
274 
275 	struct v4l2_ctrl_handler ctrl_handler;
276 	union {
277 		struct vdec_controls dec;
278 		struct venc_controls enc;
279 	} controls;
280 	struct v4l2_fh fh;
281 	unsigned int streamon_cap, streamon_out;
282 	u32 width;
283 	u32 height;
284 	u32 out_width;
285 	u32 out_height;
286 	u32 colorspace;
287 	u8 ycbcr_enc;
288 	u8 quantization;
289 	u8 xfer_func;
290 	u64 fps;
291 	struct v4l2_fract timeperframe;
292 	const struct venus_format *fmt_out;
293 	const struct venus_format *fmt_cap;
294 	unsigned int num_input_bufs;
295 	unsigned int num_output_bufs;
296 	unsigned int input_buf_size;
297 	unsigned int output_buf_size;
298 	unsigned int output2_buf_size;
299 	u32 dpb_buftype;
300 	u32 dpb_fmt;
301 	u32 opb_buftype;
302 	u32 opb_fmt;
303 	bool reconfig;
304 	u32 reconfig_width;
305 	u32 reconfig_height;
306 	u32 hfi_codec;
307 	u32 sequence_cap;
308 	u32 sequence_out;
309 	struct v4l2_m2m_dev *m2m_dev;
310 	struct v4l2_m2m_ctx *m2m_ctx;
311 	unsigned int state;
312 	struct completion done;
313 	unsigned int error;
314 	bool session_error;
315 	const struct hfi_inst_ops *ops;
316 	u32 session_type;
317 	union hfi_get_property hprop;
318 };
319 
320 #define IS_V1(core)	((core)->res->hfi_version == HFI_VERSION_1XX)
321 #define IS_V3(core)	((core)->res->hfi_version == HFI_VERSION_3XX)
322 #define IS_V4(core)	((core)->res->hfi_version == HFI_VERSION_4XX)
323 
324 #define ctrl_to_inst(ctrl)	\
325 	container_of((ctrl)->handler, struct venus_inst, ctrl_handler)
326 
327 static inline struct venus_inst *to_inst(struct file *filp)
328 {
329 	return container_of(filp->private_data, struct venus_inst, fh);
330 }
331 
332 static inline void *to_hfi_priv(struct venus_core *core)
333 {
334 	return core->priv;
335 }
336 
337 static inline struct venus_caps *
338 venus_caps_by_codec(struct venus_core *core, u32 codec, u32 domain)
339 {
340 	unsigned int c;
341 
342 	for (c = 0; c < core->codecs_count; c++) {
343 		if (core->caps[c].codec == codec &&
344 		    core->caps[c].domain == domain)
345 			return &core->caps[c];
346 	}
347 
348 	return NULL;
349 }
350 
351 #endif
352