1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright 2020-2021 NXP
4  */
5 
6 #include <linux/init.h>
7 #include <linux/interconnect.h>
8 #include <linux/ioctl.h>
9 #include <linux/list.h>
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/of_device.h>
13 #include <linux/of_address.h>
14 #include <linux/platform_device.h>
15 #include <linux/delay.h>
16 #include <linux/rational.h>
17 #include <linux/time64.h>
18 #include <media/videobuf2-v4l2.h>
19 #include <media/videobuf2-dma-contig.h>
20 #include <linux/videodev2.h>
21 #include "vpu.h"
22 #include "vpu_rpc.h"
23 #include "vpu_defs.h"
24 #include "vpu_helpers.h"
25 #include "vpu_v4l2.h"
26 #include "vpu_cmds.h"
27 #include "vpu_imx8q.h"
28 #include "vpu_malone.h"
29 
30 #define CMD_SIZE			25600
31 #define MSG_SIZE			25600
32 #define CODEC_SIZE			0x1000
33 #define JPEG_SIZE			0x1000
34 #define SEQ_SIZE			0x1000
35 #define GOP_SIZE			0x1000
36 #define PIC_SIZE			0x1000
37 #define QMETER_SIZE			0x1000
38 #define DBGLOG_SIZE			0x10000
39 #define DEBUG_SIZE			0x80000
40 #define ENG_SIZE			0x1000
41 #define MALONE_SKIPPED_FRAME_ID		0x555
42 
43 #define MALONE_ALIGN_MBI		0x800
44 #define MALONE_DCP_CHUNK_BIT		16
45 #define MALONE_DCP_SIZE_MAX		0x3000000
46 #define MALONE_DCP_SIZE_MIN		0x100000
47 #define MALONE_DCP_FIXED_MB_ALLOC	250
48 
49 #define CONFIG_SET(val, cfg, pos, mask)		\
50 		(*(cfg) |= (((val) << (pos)) & (mask)))
51 //x means source data , y means destination data
52 #define STREAM_CONFIG_FORMAT_SET(x, y)		CONFIG_SET(x, y, 0, 0x0000000F)
53 #define STREAM_CONFIG_STRBUFIDX_SET(x, y)	CONFIG_SET(x, y, 8, 0x00000300)
54 #define STREAM_CONFIG_NOSEQ_SET(x, y)		CONFIG_SET(x, y, 10, 0x00000400)
55 #define STREAM_CONFIG_DEBLOCK_SET(x, y)		CONFIG_SET(x, y, 11, 0x00000800)
56 #define STREAM_CONFIG_DERING_SET(x, y)		CONFIG_SET(x, y, 12, 0x00001000)
57 #define STREAM_CONFIG_IBWAIT_SET(x, y)		CONFIG_SET(x, y, 13, 0x00002000)
58 #define STREAM_CONFIG_FBC_SET(x, y)		CONFIG_SET(x, y, 14, 0x00004000)
59 #define STREAM_CONFIG_PLAY_MODE_SET(x, y)	CONFIG_SET(x, y, 16, 0x00030000)
60 #define STREAM_CONFIG_ENABLE_DCP_SET(x, y)	CONFIG_SET(x, y, 20, 0x00100000)
61 #define STREAM_CONFIG_NUM_STR_BUF_SET(x, y)	CONFIG_SET(x, y, 21, 0x00600000)
62 #define STREAM_CONFIG_MALONE_USAGE_SET(x, y)	CONFIG_SET(x, y, 23, 0x01800000)
63 #define STREAM_CONFIG_MULTI_VID_SET(x, y)	CONFIG_SET(x, y, 25, 0x02000000)
64 #define STREAM_CONFIG_OBFUSC_EN_SET(x, y)	CONFIG_SET(x, y, 26, 0x04000000)
65 #define STREAM_CONFIG_RC4_EN_SET(x, y)		CONFIG_SET(x, y, 27, 0x08000000)
66 #define STREAM_CONFIG_MCX_SET(x, y)		CONFIG_SET(x, y, 28, 0x10000000)
67 #define STREAM_CONFIG_PES_SET(x, y)		CONFIG_SET(x, y, 29, 0x20000000)
68 #define STREAM_CONFIG_NUM_DBE_SET(x, y)		CONFIG_SET(x, y, 30, 0x40000000)
69 #define STREAM_CONFIG_FS_CTRL_MODE_SET(x, y)	CONFIG_SET(x, y, 31, 0x80000000)
70 
71 enum vpu_malone_stream_input_mode {
72 	INVALID_MODE = 0,
73 	FRAME_LVL,
74 	NON_FRAME_LVL
75 };
76 
77 enum vpu_malone_format {
78 	MALONE_FMT_NULL = 0x0,
79 	MALONE_FMT_AVC  = 0x1,
80 	MALONE_FMT_MP2  = 0x2,
81 	MALONE_FMT_VC1  = 0x3,
82 	MALONE_FMT_AVS  = 0x4,
83 	MALONE_FMT_ASP  = 0x5,
84 	MALONE_FMT_JPG  = 0x6,
85 	MALONE_FMT_RV   = 0x7,
86 	MALONE_FMT_VP6  = 0x8,
87 	MALONE_FMT_SPK  = 0x9,
88 	MALONE_FMT_VP8  = 0xA,
89 	MALONE_FMT_HEVC = 0xB,
90 	MALONE_FMT_LAST = MALONE_FMT_HEVC
91 };
92 
93 enum {
94 	VID_API_CMD_NULL              = 0x00,
95 	VID_API_CMD_PARSE_NEXT_SEQ    = 0x01,
96 	VID_API_CMD_PARSE_NEXT_I      = 0x02,
97 	VID_API_CMD_PARSE_NEXT_IP     = 0x03,
98 	VID_API_CMD_PARSE_NEXT_ANY    = 0x04,
99 	VID_API_CMD_DEC_PIC           = 0x05,
100 	VID_API_CMD_UPDATE_ES_WR_PTR  = 0x06,
101 	VID_API_CMD_UPDATE_ES_RD_PTR  = 0x07,
102 	VID_API_CMD_UPDATE_UDATA      = 0x08,
103 	VID_API_CMD_GET_FSINFO        = 0x09,
104 	VID_API_CMD_SKIP_PIC          = 0x0a,
105 	VID_API_CMD_DEC_CHUNK         = 0x0b,
106 	VID_API_CMD_START             = 0x10,
107 	VID_API_CMD_STOP              = 0x11,
108 	VID_API_CMD_ABORT             = 0x12,
109 	VID_API_CMD_RST_BUF           = 0x13,
110 	VID_API_CMD_FS_RELEASE        = 0x15,
111 	VID_API_CMD_MEM_REGION_ATTACH = 0x16,
112 	VID_API_CMD_MEM_REGION_DETACH = 0x17,
113 	VID_API_CMD_MVC_VIEW_SELECT   = 0x18,
114 	VID_API_CMD_FS_ALLOC          = 0x19,
115 	VID_API_CMD_DBG_GET_STATUS    = 0x1C,
116 	VID_API_CMD_DBG_START_LOG     = 0x1D,
117 	VID_API_CMD_DBG_STOP_LOG      = 0x1E,
118 	VID_API_CMD_DBG_DUMP_LOG      = 0x1F,
119 	VID_API_CMD_YUV_READY         = 0x20,
120 	VID_API_CMD_TS                = 0x21,
121 
122 	VID_API_CMD_FIRM_RESET        = 0x40,
123 
124 	VID_API_CMD_SNAPSHOT          = 0xAA,
125 	VID_API_CMD_ROLL_SNAPSHOT     = 0xAB,
126 	VID_API_CMD_LOCK_SCHEDULER    = 0xAC,
127 	VID_API_CMD_UNLOCK_SCHEDULER  = 0xAD,
128 	VID_API_CMD_CQ_FIFO_DUMP      = 0xAE,
129 	VID_API_CMD_DBG_FIFO_DUMP     = 0xAF,
130 	VID_API_CMD_SVC_ILP           = 0xBB,
131 	VID_API_CMD_FW_STATUS         = 0xF0,
132 	VID_API_CMD_INVALID           = 0xFF
133 };
134 
135 enum {
136 	VID_API_EVENT_NULL			= 0x00,
137 	VID_API_EVENT_RESET_DONE		= 0x01,
138 	VID_API_EVENT_SEQ_HDR_FOUND		= 0x02,
139 	VID_API_EVENT_PIC_HDR_FOUND		= 0x03,
140 	VID_API_EVENT_PIC_DECODED		= 0x04,
141 	VID_API_EVENT_FIFO_LOW			= 0x05,
142 	VID_API_EVENT_FIFO_HIGH			= 0x06,
143 	VID_API_EVENT_FIFO_EMPTY		= 0x07,
144 	VID_API_EVENT_FIFO_FULL			= 0x08,
145 	VID_API_EVENT_BS_ERROR			= 0x09,
146 	VID_API_EVENT_UDATA_FIFO_UPTD		= 0x0A,
147 	VID_API_EVENT_RES_CHANGE		= 0x0B,
148 	VID_API_EVENT_FIFO_OVF			= 0x0C,
149 	VID_API_EVENT_CHUNK_DECODED		= 0x0D,
150 	VID_API_EVENT_REQ_FRAME_BUFF		= 0x10,
151 	VID_API_EVENT_FRAME_BUFF_RDY		= 0x11,
152 	VID_API_EVENT_REL_FRAME_BUFF		= 0x12,
153 	VID_API_EVENT_STR_BUF_RST		= 0x13,
154 	VID_API_EVENT_RET_PING			= 0x14,
155 	VID_API_EVENT_QMETER			= 0x15,
156 	VID_API_EVENT_STR_FMT_CHANGE		= 0x16,
157 	VID_API_EVENT_FIRMWARE_XCPT		= 0x17,
158 	VID_API_EVENT_START_DONE		= 0x18,
159 	VID_API_EVENT_STOPPED			= 0x19,
160 	VID_API_EVENT_ABORT_DONE		= 0x1A,
161 	VID_API_EVENT_FINISHED			= 0x1B,
162 	VID_API_EVENT_DBG_STAT_UPDATE		= 0x1C,
163 	VID_API_EVENT_DBG_LOG_STARTED		= 0x1D,
164 	VID_API_EVENT_DBG_LOG_STOPPED		= 0x1E,
165 	VID_API_EVENT_DBG_LOG_UPDATED		= 0x1F,
166 	VID_API_EVENT_DBG_MSG_DEC		= 0x20,
167 	VID_API_EVENT_DEC_SC_ERR		= 0x21,
168 	VID_API_EVENT_CQ_FIFO_DUMP		= 0x22,
169 	VID_API_EVENT_DBG_FIFO_DUMP		= 0x23,
170 	VID_API_EVENT_DEC_CHECK_RES		= 0x24,
171 	VID_API_EVENT_DEC_CFG_INFO		= 0x25,
172 	VID_API_EVENT_UNSUPPORTED_STREAM	= 0x26,
173 	VID_API_EVENT_PIC_SKIPPED		= 0x27,
174 	VID_API_EVENT_STR_SUSPENDED		= 0x30,
175 	VID_API_EVENT_SNAPSHOT_DONE		= 0x40,
176 	VID_API_EVENT_FW_STATUS                 = 0xF0,
177 	VID_API_EVENT_INVALID			= 0xFF
178 };
179 
180 struct vpu_malone_buffer_desc {
181 	struct vpu_rpc_buffer_desc buffer;
182 	u32 low;
183 	u32 high;
184 };
185 
186 struct vpu_malone_str_buffer {
187 	u32 wptr;
188 	u32 rptr;
189 	u32 start;
190 	u32 end;
191 	u32 lwm;
192 };
193 
194 struct vpu_malone_picth_info {
195 	u32 frame_pitch;
196 };
197 
198 struct vpu_malone_table_desc {
199 	u32 array_base;
200 	u32 size;
201 };
202 
203 struct vpu_malone_dbglog_desc {
204 	u32 addr;
205 	u32 size;
206 	u32 level;
207 	u32 reserved;
208 };
209 
210 struct vpu_malone_frame_buffer {
211 	u32 addr;
212 	u32 size;
213 };
214 
215 struct vpu_malone_udata {
216 	u32 base;
217 	u32 total_size;
218 	u32 slot_size;
219 };
220 
221 struct vpu_malone_buffer_info {
222 	u32 stream_input_mode;
223 	u32 stream_pic_input_count;
224 	u32 stream_pic_parsed_count;
225 	u32 stream_buffer_threshold;
226 	u32 stream_pic_end_flag;
227 };
228 
229 struct vpu_malone_encrypt_info {
230 	u32 rec4key[8];
231 	u32 obfusc;
232 };
233 
234 struct malone_iface {
235 	u32 exec_base_addr;
236 	u32 exec_area_size;
237 	struct vpu_malone_buffer_desc cmd_buffer_desc;
238 	struct vpu_malone_buffer_desc msg_buffer_desc;
239 	u32 cmd_int_enable[VID_API_NUM_STREAMS];
240 	struct vpu_malone_picth_info stream_pitch_info[VID_API_NUM_STREAMS];
241 	u32 stream_config[VID_API_NUM_STREAMS];
242 	struct vpu_malone_table_desc codec_param_tab_desc;
243 	struct vpu_malone_table_desc jpeg_param_tab_desc;
244 	u32 stream_buffer_desc[VID_API_NUM_STREAMS][VID_API_MAX_BUF_PER_STR];
245 	struct vpu_malone_table_desc seq_info_tab_desc;
246 	struct vpu_malone_table_desc pic_info_tab_desc;
247 	struct vpu_malone_table_desc gop_info_tab_desc;
248 	struct vpu_malone_table_desc qmeter_info_tab_desc;
249 	u32 stream_error[VID_API_NUM_STREAMS];
250 	u32 fw_version;
251 	u32 fw_offset;
252 	u32 max_streams;
253 	struct vpu_malone_dbglog_desc dbglog_desc;
254 	struct vpu_rpc_buffer_desc api_cmd_buffer_desc[VID_API_NUM_STREAMS];
255 	struct vpu_malone_udata udata_buffer[VID_API_NUM_STREAMS];
256 	struct vpu_malone_buffer_desc debug_buffer_desc;
257 	struct vpu_malone_buffer_desc eng_access_buff_desc[VID_API_NUM_STREAMS];
258 	u32 encrypt_info[VID_API_NUM_STREAMS];
259 	struct vpu_rpc_system_config system_cfg;
260 	u32 api_version;
261 	struct vpu_malone_buffer_info stream_buff_info[VID_API_NUM_STREAMS];
262 };
263 
264 struct malone_jpg_params {
265 	u32 rotation_angle;
266 	u32 horiz_scale_factor;
267 	u32 vert_scale_factor;
268 	u32 rotation_mode;
269 	u32 rgb_mode;
270 	u32 chunk_mode; /* 0 ~ 1 */
271 	u32 last_chunk; /* 0 ~ 1 */
272 	u32 chunk_rows; /* 0 ~ 255 */
273 	u32 num_bytes;
274 	u32 jpg_crop_x;
275 	u32 jpg_crop_y;
276 	u32 jpg_crop_width;
277 	u32 jpg_crop_height;
278 	u32 jpg_mjpeg_mode;
279 	u32 jpg_mjpeg_interlaced;
280 };
281 
282 struct malone_codec_params {
283 	u32 disp_imm;
284 	u32 fourcc;
285 	u32 codec_version;
286 	u32 frame_rate;
287 	u32 dbglog_enable;
288 	u32 bsdma_lwm;
289 	u32 bbd_coring;
290 	u32 bbd_s_thr_row;
291 	u32 bbd_p_thr_row;
292 	u32 bbd_s_thr_logo_row;
293 	u32 bbd_p_thr_logo_row;
294 	u32 bbd_s_thr_col;
295 	u32 bbd_p_thr_col;
296 	u32 bbd_chr_thr_row;
297 	u32 bbd_chr_thr_col;
298 	u32 bbd_uv_mid_level;
299 	u32 bbd_excl_win_mb_left;
300 	u32 bbd_excl_win_mb_right;
301 };
302 
303 struct malone_padding_scode {
304 	u32 scode_type;
305 	u32 pixelformat;
306 	u32 data[2];
307 };
308 
309 struct malone_fmt_mapping {
310 	u32 pixelformat;
311 	enum vpu_malone_format malone_format;
312 };
313 
314 struct malone_scode_t {
315 	struct vpu_inst *inst;
316 	struct vb2_buffer *vb;
317 	u32 wptr;
318 	u32 need_data;
319 };
320 
321 struct malone_scode_handler {
322 	u32 pixelformat;
323 	int (*insert_scode_seq)(struct malone_scode_t *scode);
324 	int (*insert_scode_pic)(struct malone_scode_t *scode);
325 };
326 
327 struct vpu_dec_ctrl {
328 	struct malone_codec_params *codec_param;
329 	struct malone_jpg_params *jpg;
330 	void *seq_mem;
331 	void *pic_mem;
332 	void *gop_mem;
333 	void *qmeter_mem;
334 	void *dbglog_mem;
335 	struct vpu_malone_str_buffer __iomem *str_buf[VID_API_NUM_STREAMS];
336 	u32 buf_addr[VID_API_NUM_STREAMS];
337 };
338 
339 u32 vpu_malone_get_data_size(void)
340 {
341 	return sizeof(struct vpu_dec_ctrl);
342 }
343 
344 void vpu_malone_init_rpc(struct vpu_shared_addr *shared,
345 			 struct vpu_buffer *rpc, dma_addr_t boot_addr)
346 {
347 	struct malone_iface *iface;
348 	struct vpu_dec_ctrl *hc;
349 	unsigned long base_phy_addr;
350 	unsigned long phy_addr;
351 	unsigned long offset;
352 	unsigned int i;
353 
354 	if (rpc->phys < boot_addr)
355 		return;
356 
357 	iface = rpc->virt;
358 	base_phy_addr = rpc->phys - boot_addr;
359 	hc = shared->priv;
360 
361 	shared->iface = iface;
362 	shared->boot_addr = boot_addr;
363 
364 	iface->exec_base_addr = base_phy_addr;
365 	iface->exec_area_size = rpc->length;
366 
367 	offset = sizeof(struct malone_iface);
368 	phy_addr = base_phy_addr + offset;
369 
370 	shared->cmd_desc = &iface->cmd_buffer_desc.buffer;
371 	shared->cmd_mem_vir = rpc->virt + offset;
372 	iface->cmd_buffer_desc.buffer.start =
373 	iface->cmd_buffer_desc.buffer.rptr =
374 	iface->cmd_buffer_desc.buffer.wptr = phy_addr;
375 	iface->cmd_buffer_desc.buffer.end = iface->cmd_buffer_desc.buffer.start + CMD_SIZE;
376 	offset += CMD_SIZE;
377 	phy_addr = base_phy_addr + offset;
378 
379 	shared->msg_desc = &iface->msg_buffer_desc.buffer;
380 	shared->msg_mem_vir = rpc->virt + offset;
381 	iface->msg_buffer_desc.buffer.start =
382 	iface->msg_buffer_desc.buffer.wptr =
383 	iface->msg_buffer_desc.buffer.rptr = phy_addr;
384 	iface->msg_buffer_desc.buffer.end = iface->msg_buffer_desc.buffer.start + MSG_SIZE;
385 	offset += MSG_SIZE;
386 	phy_addr = base_phy_addr + offset;
387 
388 	iface->codec_param_tab_desc.array_base = phy_addr;
389 	hc->codec_param = rpc->virt + offset;
390 	offset += CODEC_SIZE;
391 	phy_addr = base_phy_addr + offset;
392 
393 	iface->jpeg_param_tab_desc.array_base = phy_addr;
394 	hc->jpg = rpc->virt + offset;
395 	offset += JPEG_SIZE;
396 	phy_addr = base_phy_addr + offset;
397 
398 	iface->seq_info_tab_desc.array_base = phy_addr;
399 	hc->seq_mem = rpc->virt + offset;
400 	offset += SEQ_SIZE;
401 	phy_addr = base_phy_addr + offset;
402 
403 	iface->pic_info_tab_desc.array_base = phy_addr;
404 	hc->pic_mem = rpc->virt + offset;
405 	offset += PIC_SIZE;
406 	phy_addr = base_phy_addr + offset;
407 
408 	iface->gop_info_tab_desc.array_base = phy_addr;
409 	hc->gop_mem = rpc->virt + offset;
410 	offset += GOP_SIZE;
411 	phy_addr = base_phy_addr + offset;
412 
413 	iface->qmeter_info_tab_desc.array_base = phy_addr;
414 	hc->qmeter_mem = rpc->virt + offset;
415 	offset += QMETER_SIZE;
416 	phy_addr = base_phy_addr + offset;
417 
418 	iface->dbglog_desc.addr = phy_addr;
419 	iface->dbglog_desc.size = DBGLOG_SIZE;
420 	hc->dbglog_mem = rpc->virt + offset;
421 	offset += DBGLOG_SIZE;
422 	phy_addr = base_phy_addr + offset;
423 
424 	for (i = 0; i < VID_API_NUM_STREAMS; i++) {
425 		iface->eng_access_buff_desc[i].buffer.start =
426 		iface->eng_access_buff_desc[i].buffer.wptr =
427 		iface->eng_access_buff_desc[i].buffer.rptr = phy_addr;
428 		iface->eng_access_buff_desc[i].buffer.end =
429 			iface->eng_access_buff_desc[i].buffer.start + ENG_SIZE;
430 		offset += ENG_SIZE;
431 		phy_addr = base_phy_addr + offset;
432 	}
433 
434 	for (i = 0; i < VID_API_NUM_STREAMS; i++) {
435 		iface->encrypt_info[i] = phy_addr;
436 		offset += sizeof(struct vpu_malone_encrypt_info);
437 		phy_addr = base_phy_addr + offset;
438 	}
439 
440 	rpc->bytesused = offset;
441 }
442 
443 void vpu_malone_set_log_buf(struct vpu_shared_addr *shared,
444 			    struct vpu_buffer *log)
445 {
446 	struct malone_iface *iface = shared->iface;
447 
448 	iface->debug_buffer_desc.buffer.start =
449 	iface->debug_buffer_desc.buffer.wptr =
450 	iface->debug_buffer_desc.buffer.rptr = log->phys - shared->boot_addr;
451 	iface->debug_buffer_desc.buffer.end = iface->debug_buffer_desc.buffer.start + log->length;
452 }
453 
454 static u32 get_str_buffer_offset(u32 instance)
455 {
456 	return DEC_MFD_XREG_SLV_BASE + MFD_MCX + MFD_MCX_OFF * instance;
457 }
458 
459 void vpu_malone_set_system_cfg(struct vpu_shared_addr *shared,
460 			       u32 regs_base, void __iomem *regs, u32 core_id)
461 {
462 	struct malone_iface *iface = shared->iface;
463 	struct vpu_rpc_system_config *config = &iface->system_cfg;
464 	struct vpu_dec_ctrl *hc = shared->priv;
465 	int i;
466 
467 	vpu_imx8q_set_system_cfg_common(config, regs_base, core_id);
468 	for (i = 0; i < VID_API_NUM_STREAMS; i++) {
469 		u32 offset = get_str_buffer_offset(i);
470 
471 		hc->buf_addr[i] = regs_base + offset;
472 		hc->str_buf[i] = regs + offset;
473 	}
474 }
475 
476 u32 vpu_malone_get_version(struct vpu_shared_addr *shared)
477 {
478 	struct malone_iface *iface = shared->iface;
479 
480 	return iface->fw_version;
481 }
482 
483 int vpu_malone_get_stream_buffer_size(struct vpu_shared_addr *shared)
484 {
485 	return 0xc00000;
486 }
487 
488 int vpu_malone_config_stream_buffer(struct vpu_shared_addr *shared,
489 				    u32 instance,
490 				    struct vpu_buffer *buf)
491 {
492 	struct malone_iface *iface = shared->iface;
493 	struct vpu_dec_ctrl *hc = shared->priv;
494 	struct vpu_malone_str_buffer __iomem *str_buf = hc->str_buf[instance];
495 
496 	writel(buf->phys, &str_buf->start);
497 	writel(buf->phys, &str_buf->rptr);
498 	writel(buf->phys, &str_buf->wptr);
499 	writel(buf->phys + buf->length, &str_buf->end);
500 	writel(0x1, &str_buf->lwm);
501 
502 	iface->stream_buffer_desc[instance][0] = hc->buf_addr[instance];
503 
504 	return 0;
505 }
506 
507 int vpu_malone_get_stream_buffer_desc(struct vpu_shared_addr *shared,
508 				      u32 instance,
509 				      struct vpu_rpc_buffer_desc *desc)
510 {
511 	struct vpu_dec_ctrl *hc = shared->priv;
512 	struct vpu_malone_str_buffer __iomem *str_buf = hc->str_buf[instance];
513 
514 	if (desc) {
515 		desc->wptr = readl(&str_buf->wptr);
516 		desc->rptr = readl(&str_buf->rptr);
517 		desc->start = readl(&str_buf->start);
518 		desc->end = readl(&str_buf->end);
519 	}
520 
521 	return 0;
522 }
523 
524 static void vpu_malone_update_wptr(struct vpu_malone_str_buffer __iomem *str_buf, u32 wptr)
525 {
526 	/*update wptr after data is written*/
527 	mb();
528 	writel(wptr, &str_buf->wptr);
529 }
530 
531 static void vpu_malone_update_rptr(struct vpu_malone_str_buffer __iomem *str_buf, u32 rptr)
532 {
533 	/*update rptr after data is read*/
534 	mb();
535 	writel(rptr, &str_buf->rptr);
536 }
537 
538 int vpu_malone_update_stream_buffer(struct vpu_shared_addr *shared,
539 				    u32 instance, u32 ptr, bool write)
540 {
541 	struct vpu_dec_ctrl *hc = shared->priv;
542 	struct vpu_malone_str_buffer __iomem *str_buf = hc->str_buf[instance];
543 
544 	if (write)
545 		vpu_malone_update_wptr(str_buf, ptr);
546 	else
547 		vpu_malone_update_rptr(str_buf, ptr);
548 
549 	return 0;
550 }
551 
552 static struct malone_fmt_mapping fmt_mappings[] = {
553 	{V4L2_PIX_FMT_H264,        MALONE_FMT_AVC},
554 	{V4L2_PIX_FMT_H264_MVC,    MALONE_FMT_AVC},
555 	{V4L2_PIX_FMT_HEVC,        MALONE_FMT_HEVC},
556 	{V4L2_PIX_FMT_VC1_ANNEX_G, MALONE_FMT_VC1},
557 	{V4L2_PIX_FMT_VC1_ANNEX_L, MALONE_FMT_VC1},
558 	{V4L2_PIX_FMT_MPEG2,       MALONE_FMT_MP2},
559 	{V4L2_PIX_FMT_MPEG4,       MALONE_FMT_ASP},
560 	{V4L2_PIX_FMT_XVID,        MALONE_FMT_ASP},
561 	{V4L2_PIX_FMT_H263,        MALONE_FMT_ASP},
562 	{V4L2_PIX_FMT_JPEG,        MALONE_FMT_JPG},
563 	{V4L2_PIX_FMT_VP8,         MALONE_FMT_VP8},
564 };
565 
566 static enum vpu_malone_format vpu_malone_format_remap(u32 pixelformat)
567 {
568 	u32 i;
569 
570 	for (i = 0; i < ARRAY_SIZE(fmt_mappings); i++) {
571 		if (pixelformat == fmt_mappings[i].pixelformat)
572 			return fmt_mappings[i].malone_format;
573 	}
574 
575 	return MALONE_FMT_NULL;
576 }
577 
578 static void vpu_malone_set_stream_cfg(struct vpu_shared_addr *shared,
579 				      u32 instance,
580 				      enum vpu_malone_format malone_format)
581 {
582 	struct malone_iface *iface = shared->iface;
583 	u32 *curr_str_cfg = &iface->stream_config[instance];
584 
585 	*curr_str_cfg = 0;
586 	STREAM_CONFIG_FORMAT_SET(malone_format, curr_str_cfg);
587 	STREAM_CONFIG_STRBUFIDX_SET(0, curr_str_cfg);
588 	STREAM_CONFIG_NOSEQ_SET(0, curr_str_cfg);
589 	STREAM_CONFIG_DEBLOCK_SET(0, curr_str_cfg);
590 	STREAM_CONFIG_DERING_SET(0, curr_str_cfg);
591 	STREAM_CONFIG_PLAY_MODE_SET(0x3, curr_str_cfg);
592 	STREAM_CONFIG_FS_CTRL_MODE_SET(0x1, curr_str_cfg);
593 	STREAM_CONFIG_ENABLE_DCP_SET(1, curr_str_cfg);
594 	STREAM_CONFIG_NUM_STR_BUF_SET(1, curr_str_cfg);
595 	STREAM_CONFIG_MALONE_USAGE_SET(1, curr_str_cfg);
596 	STREAM_CONFIG_MULTI_VID_SET(0, curr_str_cfg);
597 	STREAM_CONFIG_OBFUSC_EN_SET(0, curr_str_cfg);
598 	STREAM_CONFIG_RC4_EN_SET(0, curr_str_cfg);
599 	STREAM_CONFIG_MCX_SET(1, curr_str_cfg);
600 	STREAM_CONFIG_PES_SET(0, curr_str_cfg);
601 	STREAM_CONFIG_NUM_DBE_SET(1, curr_str_cfg);
602 }
603 
604 static int vpu_malone_set_params(struct vpu_shared_addr *shared,
605 				 u32 instance,
606 				 struct vpu_decode_params *params)
607 {
608 	struct malone_iface *iface = shared->iface;
609 	struct vpu_dec_ctrl *hc = shared->priv;
610 	enum vpu_malone_format malone_format;
611 
612 	malone_format = vpu_malone_format_remap(params->codec_format);
613 	iface->udata_buffer[instance].base = params->udata.base;
614 	iface->udata_buffer[instance].slot_size = params->udata.size;
615 
616 	vpu_malone_set_stream_cfg(shared, instance, malone_format);
617 
618 	if (malone_format == MALONE_FMT_JPG) {
619 		//1:JPGD_MJPEG_MODE_A; 2:JPGD_MJPEG_MODE_B
620 		hc->jpg[instance].jpg_mjpeg_mode = 1;
621 		//0: JPGD_MJPEG_PROGRESSIVE
622 		hc->jpg[instance].jpg_mjpeg_interlaced = 0;
623 	}
624 
625 	hc->codec_param[instance].disp_imm = params->b_dis_reorder ? 1 : 0;
626 	hc->codec_param[instance].dbglog_enable = 0;
627 	iface->dbglog_desc.level = 0;
628 
629 	if (params->b_non_frame)
630 		iface->stream_buff_info[instance].stream_input_mode = NON_FRAME_LVL;
631 	else
632 		iface->stream_buff_info[instance].stream_input_mode = FRAME_LVL;
633 	iface->stream_buff_info[instance].stream_buffer_threshold = 0;
634 	iface->stream_buff_info[instance].stream_pic_input_count = 0;
635 
636 	return 0;
637 }
638 
639 static bool vpu_malone_is_non_frame_mode(struct vpu_shared_addr *shared, u32 instance)
640 {
641 	struct malone_iface *iface = shared->iface;
642 
643 	if (iface->stream_buff_info[instance].stream_input_mode == NON_FRAME_LVL)
644 		return true;
645 
646 	return false;
647 }
648 
649 static int vpu_malone_update_params(struct vpu_shared_addr *shared,
650 				    u32 instance,
651 				    struct vpu_decode_params *params)
652 {
653 	struct malone_iface *iface = shared->iface;
654 
655 	if (params->end_flag)
656 		iface->stream_buff_info[instance].stream_pic_end_flag = params->end_flag;
657 	params->end_flag = 0;
658 
659 	return 0;
660 }
661 
662 int vpu_malone_set_decode_params(struct vpu_shared_addr *shared,
663 				 u32 instance,
664 				 struct vpu_decode_params *params,
665 				 u32 update)
666 {
667 	if (!params)
668 		return -EINVAL;
669 
670 	if (!update)
671 		return vpu_malone_set_params(shared, instance, params);
672 	else
673 		return vpu_malone_update_params(shared, instance, params);
674 }
675 
676 static struct vpu_pair malone_cmds[] = {
677 	{VPU_CMD_ID_START, VID_API_CMD_START},
678 	{VPU_CMD_ID_STOP, VID_API_CMD_STOP},
679 	{VPU_CMD_ID_ABORT, VID_API_CMD_ABORT},
680 	{VPU_CMD_ID_RST_BUF, VID_API_CMD_RST_BUF},
681 	{VPU_CMD_ID_SNAPSHOT, VID_API_CMD_SNAPSHOT},
682 	{VPU_CMD_ID_FIRM_RESET, VID_API_CMD_FIRM_RESET},
683 	{VPU_CMD_ID_FS_ALLOC, VID_API_CMD_FS_ALLOC},
684 	{VPU_CMD_ID_FS_RELEASE, VID_API_CMD_FS_RELEASE},
685 	{VPU_CMD_ID_TIMESTAMP, VID_API_CMD_TS},
686 	{VPU_CMD_ID_DEBUG, VID_API_CMD_FW_STATUS},
687 };
688 
689 static struct vpu_pair malone_msgs[] = {
690 	{VPU_MSG_ID_RESET_DONE, VID_API_EVENT_RESET_DONE},
691 	{VPU_MSG_ID_START_DONE, VID_API_EVENT_START_DONE},
692 	{VPU_MSG_ID_STOP_DONE, VID_API_EVENT_STOPPED},
693 	{VPU_MSG_ID_ABORT_DONE, VID_API_EVENT_ABORT_DONE},
694 	{VPU_MSG_ID_BUF_RST, VID_API_EVENT_STR_BUF_RST},
695 	{VPU_MSG_ID_PIC_EOS, VID_API_EVENT_FINISHED},
696 	{VPU_MSG_ID_SEQ_HDR_FOUND, VID_API_EVENT_SEQ_HDR_FOUND},
697 	{VPU_MSG_ID_RES_CHANGE, VID_API_EVENT_RES_CHANGE},
698 	{VPU_MSG_ID_PIC_HDR_FOUND, VID_API_EVENT_PIC_HDR_FOUND},
699 	{VPU_MSG_ID_PIC_DECODED, VID_API_EVENT_PIC_DECODED},
700 	{VPU_MSG_ID_DEC_DONE, VID_API_EVENT_FRAME_BUFF_RDY},
701 	{VPU_MSG_ID_FRAME_REQ, VID_API_EVENT_REQ_FRAME_BUFF},
702 	{VPU_MSG_ID_FRAME_RELEASE, VID_API_EVENT_REL_FRAME_BUFF},
703 	{VPU_MSG_ID_FIFO_LOW, VID_API_EVENT_FIFO_LOW},
704 	{VPU_MSG_ID_BS_ERROR, VID_API_EVENT_BS_ERROR},
705 	{VPU_MSG_ID_UNSUPPORTED, VID_API_EVENT_UNSUPPORTED_STREAM},
706 	{VPU_MSG_ID_FIRMWARE_XCPT, VID_API_EVENT_FIRMWARE_XCPT},
707 	{VPU_MSG_ID_PIC_SKIPPED, VID_API_EVENT_PIC_SKIPPED},
708 };
709 
710 static void vpu_malone_pack_fs_alloc(struct vpu_rpc_event *pkt,
711 				     struct vpu_fs_info *fs)
712 {
713 	const u32 fs_type[] = {
714 		[MEM_RES_FRAME] = 0,
715 		[MEM_RES_MBI] = 1,
716 		[MEM_RES_DCP] = 2,
717 	};
718 
719 	pkt->hdr.num = 7;
720 	pkt->data[0] = fs->id | (fs->tag << 24);
721 	pkt->data[1] = fs->luma_addr;
722 	if (fs->type == MEM_RES_FRAME) {
723 		/*
724 		 * if luma_addr equal to chroma_addr,
725 		 * means luma(plane[0]) and chromau(plane[1]) used the
726 		 * same fd -- usage of NXP codec2. Need to manually
727 		 * offset chroma addr.
728 		 */
729 		if (fs->luma_addr == fs->chroma_addr)
730 			fs->chroma_addr = fs->luma_addr + fs->luma_size;
731 		pkt->data[2] = fs->luma_addr + fs->luma_size / 2;
732 		pkt->data[3] = fs->chroma_addr;
733 		pkt->data[4] = fs->chroma_addr + fs->chromau_size / 2;
734 		pkt->data[5] = fs->bytesperline;
735 	} else {
736 		pkt->data[2] = fs->luma_size;
737 		pkt->data[3] = 0;
738 		pkt->data[4] = 0;
739 		pkt->data[5] = 0;
740 	}
741 	pkt->data[6] = fs_type[fs->type];
742 }
743 
744 static void vpu_malone_pack_fs_release(struct vpu_rpc_event *pkt,
745 				       struct vpu_fs_info *fs)
746 {
747 	pkt->hdr.num = 1;
748 	pkt->data[0] = fs->id | (fs->tag << 24);
749 }
750 
751 static void vpu_malone_pack_timestamp(struct vpu_rpc_event *pkt,
752 				      struct vpu_ts_info *info)
753 {
754 	struct timespec64 ts = ns_to_timespec64(info->timestamp);
755 
756 	pkt->hdr.num = 3;
757 
758 	pkt->data[0] = ts.tv_sec;
759 	pkt->data[1] = ts.tv_nsec;
760 	pkt->data[2] = info->size;
761 }
762 
763 int vpu_malone_pack_cmd(struct vpu_rpc_event *pkt, u32 index, u32 id, void *data)
764 {
765 	int ret;
766 
767 	ret = vpu_find_dst_by_src(malone_cmds, ARRAY_SIZE(malone_cmds), id);
768 	if (ret < 0)
769 		return ret;
770 
771 	pkt->hdr.id = ret;
772 	pkt->hdr.num = 0;
773 	pkt->hdr.index = index;
774 
775 	switch (id) {
776 	case VPU_CMD_ID_FS_ALLOC:
777 		vpu_malone_pack_fs_alloc(pkt, data);
778 		break;
779 	case VPU_CMD_ID_FS_RELEASE:
780 		vpu_malone_pack_fs_release(pkt, data);
781 		break;
782 	case VPU_CMD_ID_TIMESTAMP:
783 		vpu_malone_pack_timestamp(pkt, data);
784 		break;
785 	}
786 
787 	pkt->hdr.index = index;
788 	return 0;
789 }
790 
791 int vpu_malone_convert_msg_id(u32 id)
792 {
793 	return vpu_find_src_by_dst(malone_msgs, ARRAY_SIZE(malone_msgs), id);
794 }
795 
796 static void vpu_malone_fill_planes(struct vpu_dec_codec_info *info)
797 {
798 	u32 interlaced = info->progressive ? 0 : 1;
799 
800 	info->bytesperline[0] = 0;
801 	info->sizeimage[0] = vpu_helper_get_plane_size(info->pixfmt,
802 						       info->decoded_width,
803 						       info->decoded_height,
804 						       0,
805 						       info->stride,
806 						       interlaced,
807 						       &info->bytesperline[0]);
808 	info->bytesperline[1] = 0;
809 	info->sizeimage[1] = vpu_helper_get_plane_size(info->pixfmt,
810 						       info->decoded_width,
811 						       info->decoded_height,
812 						       1,
813 						       info->stride,
814 						       interlaced,
815 						       &info->bytesperline[1]);
816 }
817 
818 static void vpu_malone_init_seq_hdr(struct vpu_dec_codec_info *info)
819 {
820 	u32 chunks = info->num_dfe_area >> MALONE_DCP_CHUNK_BIT;
821 
822 	vpu_malone_fill_planes(info);
823 
824 	info->mbi_size = (info->sizeimage[0] + info->sizeimage[1]) >> 2;
825 	info->mbi_size = ALIGN(info->mbi_size, MALONE_ALIGN_MBI);
826 
827 	info->dcp_size = MALONE_DCP_SIZE_MAX;
828 	if (chunks) {
829 		u32 mb_num;
830 		u32 mb_w;
831 		u32 mb_h;
832 
833 		mb_w = DIV_ROUND_UP(info->decoded_width, 16);
834 		mb_h = DIV_ROUND_UP(info->decoded_height, 16);
835 		mb_num = mb_w * mb_h;
836 		info->dcp_size = mb_num * MALONE_DCP_FIXED_MB_ALLOC * chunks;
837 		info->dcp_size = clamp_t(u32, info->dcp_size,
838 					 MALONE_DCP_SIZE_MIN, MALONE_DCP_SIZE_MAX);
839 	}
840 }
841 
842 static void vpu_malone_unpack_seq_hdr(struct vpu_rpc_event *pkt,
843 				      struct vpu_dec_codec_info *info)
844 {
845 	info->num_ref_frms = pkt->data[0];
846 	info->num_dpb_frms = pkt->data[1];
847 	info->num_dfe_area = pkt->data[2];
848 	info->progressive = pkt->data[3];
849 	info->width = pkt->data[5];
850 	info->height = pkt->data[4];
851 	info->decoded_width = pkt->data[12];
852 	info->decoded_height = pkt->data[11];
853 	info->frame_rate.numerator = 1000;
854 	info->frame_rate.denominator = pkt->data[8];
855 	info->dsp_asp_ratio = pkt->data[9];
856 	info->level_idc = pkt->data[10];
857 	info->bit_depth_luma = pkt->data[13];
858 	info->bit_depth_chroma = pkt->data[14];
859 	info->chroma_fmt = pkt->data[15];
860 	info->color_primaries = vpu_color_cvrt_primaries_i2v(pkt->data[16]);
861 	info->transfer_chars = vpu_color_cvrt_transfers_i2v(pkt->data[17]);
862 	info->matrix_coeffs = vpu_color_cvrt_matrix_i2v(pkt->data[18]);
863 	info->full_range = vpu_color_cvrt_full_range_i2v(pkt->data[19]);
864 	info->vui_present = pkt->data[20];
865 	info->mvc_num_views = pkt->data[21];
866 	info->offset_x = pkt->data[23];
867 	info->offset_y = pkt->data[25];
868 	info->tag = pkt->data[27];
869 	if (info->bit_depth_luma > 8)
870 		info->pixfmt = V4L2_PIX_FMT_NV12M_10BE_8L128;
871 	else
872 		info->pixfmt = V4L2_PIX_FMT_NV12M_8L128;
873 	if (info->frame_rate.numerator && info->frame_rate.denominator) {
874 		unsigned long n, d;
875 
876 		rational_best_approximation(info->frame_rate.numerator,
877 					    info->frame_rate.denominator,
878 					    info->frame_rate.numerator,
879 					    info->frame_rate.denominator,
880 					    &n, &d);
881 		info->frame_rate.numerator = n;
882 		info->frame_rate.denominator = d;
883 	}
884 	vpu_malone_init_seq_hdr(info);
885 }
886 
887 static void vpu_malone_unpack_pic_info(struct vpu_rpc_event *pkt,
888 				       struct vpu_dec_pic_info *info)
889 {
890 	info->id = pkt->data[7];
891 	info->luma = pkt->data[0];
892 	info->start = pkt->data[10];
893 	info->end = pkt->data[12];
894 	info->pic_size = pkt->data[11];
895 	info->stride = pkt->data[5];
896 	info->consumed_count = pkt->data[13];
897 	if (info->id == MALONE_SKIPPED_FRAME_ID)
898 		info->skipped = 1;
899 	else
900 		info->skipped = 0;
901 }
902 
903 static void vpu_malone_unpack_req_frame(struct vpu_rpc_event *pkt,
904 					struct vpu_fs_info *info)
905 {
906 	info->type = pkt->data[1];
907 }
908 
909 static void vpu_malone_unpack_rel_frame(struct vpu_rpc_event *pkt,
910 					struct vpu_fs_info *info)
911 {
912 	info->id = pkt->data[0];
913 	info->type = pkt->data[1];
914 	info->not_displayed = pkt->data[2];
915 }
916 
917 static void vpu_malone_unpack_buff_rdy(struct vpu_rpc_event *pkt,
918 				       struct vpu_dec_pic_info *info)
919 {
920 	struct timespec64 ts = { pkt->data[9], pkt->data[10] };
921 
922 	info->id = pkt->data[0];
923 	info->luma = pkt->data[1];
924 	info->stride = pkt->data[3];
925 	if (info->id == MALONE_SKIPPED_FRAME_ID)
926 		info->skipped = 1;
927 	else
928 		info->skipped = 0;
929 
930 	info->timestamp = timespec64_to_ns(&ts);
931 }
932 
933 int vpu_malone_unpack_msg_data(struct vpu_rpc_event *pkt, void *data)
934 {
935 	if (!pkt || !data)
936 		return -EINVAL;
937 
938 	switch (pkt->hdr.id) {
939 	case VID_API_EVENT_SEQ_HDR_FOUND:
940 		vpu_malone_unpack_seq_hdr(pkt, data);
941 		break;
942 	case VID_API_EVENT_PIC_DECODED:
943 		vpu_malone_unpack_pic_info(pkt, data);
944 		break;
945 	case VID_API_EVENT_REQ_FRAME_BUFF:
946 		vpu_malone_unpack_req_frame(pkt, data);
947 		break;
948 	case VID_API_EVENT_REL_FRAME_BUFF:
949 		vpu_malone_unpack_rel_frame(pkt, data);
950 		break;
951 	case VID_API_EVENT_FRAME_BUFF_RDY:
952 		vpu_malone_unpack_buff_rdy(pkt, data);
953 		break;
954 	}
955 
956 	return 0;
957 }
958 
959 static const struct malone_padding_scode padding_scodes[] = {
960 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_H264,        {0x0B010000, 0}},
961 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_H264_MVC,    {0x0B010000, 0}},
962 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_HEVC,        {0x4A010000, 0x20}},
963 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_VC1_ANNEX_G, {0x0a010000, 0x0}},
964 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_VC1_ANNEX_L, {0x0a010000, 0x0}},
965 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_MPEG2,       {0xCC010000, 0x0}},
966 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_MPEG4,       {0xb1010000, 0x0}},
967 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_XVID,        {0xb1010000, 0x0}},
968 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_H263,        {0xb1010000, 0x0}},
969 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_VP8,         {0x34010000, 0x0}},
970 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_JPEG,        {0xefff0000, 0x0}},
971 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_H264,        {0x0B010000, 0}},
972 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_H264_MVC,    {0x0B010000, 0}},
973 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_HEVC,        {0x4A010000, 0x20}},
974 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_VC1_ANNEX_G, {0x0a010000, 0x0}},
975 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_VC1_ANNEX_L, {0x0a010000, 0x0}},
976 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_MPEG2,       {0xb7010000, 0x0}},
977 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_MPEG4,       {0xb1010000, 0x0}},
978 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_XVID,        {0xb1010000, 0x0}},
979 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_H263,        {0xb1010000, 0x0}},
980 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_VP8,         {0x34010000, 0x0}},
981 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_JPEG,        {0x0, 0x0}},
982 	{SCODE_PADDING_BUFFLUSH, V4L2_PIX_FMT_H264,        {0x15010000, 0x0}},
983 	{SCODE_PADDING_BUFFLUSH, V4L2_PIX_FMT_H264_MVC,    {0x15010000, 0x0}},
984 };
985 
986 static const struct malone_padding_scode padding_scode_dft = {0x0, 0x0};
987 
988 static const struct malone_padding_scode *get_padding_scode(u32 type, u32 fmt)
989 {
990 	const struct malone_padding_scode *s;
991 	int i;
992 
993 	for (i = 0; i < ARRAY_SIZE(padding_scodes); i++) {
994 		s = &padding_scodes[i];
995 
996 		if (s->scode_type == type && s->pixelformat == fmt)
997 			return s;
998 	}
999 
1000 	if (type != SCODE_PADDING_BUFFLUSH)
1001 		return &padding_scode_dft;
1002 
1003 	return NULL;
1004 }
1005 
1006 static int vpu_malone_add_padding_scode(struct vpu_buffer *stream_buffer,
1007 					struct vpu_malone_str_buffer __iomem *str_buf,
1008 					u32 pixelformat, u32 scode_type)
1009 {
1010 	u32 wptr;
1011 	int size;
1012 	int total_size = 0;
1013 	const struct malone_padding_scode *ps;
1014 	const u32 padding_size = 4096;
1015 	int ret;
1016 
1017 	ps = get_padding_scode(scode_type, pixelformat);
1018 	if (!ps)
1019 		return -EINVAL;
1020 
1021 	wptr = readl(&str_buf->wptr);
1022 	if (wptr < stream_buffer->phys || wptr > stream_buffer->phys + stream_buffer->length)
1023 		return -EINVAL;
1024 	if (wptr == stream_buffer->phys + stream_buffer->length)
1025 		wptr = stream_buffer->phys;
1026 	size = ALIGN(wptr, 4) - wptr;
1027 	if (size)
1028 		vpu_helper_memset_stream_buffer(stream_buffer, &wptr, 0, size);
1029 	total_size += size;
1030 
1031 	size = sizeof(ps->data);
1032 	ret = vpu_helper_copy_to_stream_buffer(stream_buffer, &wptr, size, (void *)ps->data);
1033 	if (ret < 0)
1034 		return -EINVAL;
1035 	total_size += size;
1036 
1037 	size = padding_size - sizeof(ps->data);
1038 	vpu_helper_memset_stream_buffer(stream_buffer, &wptr, 0, size);
1039 	total_size += size;
1040 
1041 	vpu_malone_update_wptr(str_buf, wptr);
1042 	return total_size;
1043 }
1044 
1045 int vpu_malone_add_scode(struct vpu_shared_addr *shared,
1046 			 u32 instance,
1047 			 struct vpu_buffer *stream_buffer,
1048 			 u32 pixelformat,
1049 			 u32 scode_type)
1050 {
1051 	struct vpu_dec_ctrl *hc = shared->priv;
1052 	struct vpu_malone_str_buffer __iomem *str_buf = hc->str_buf[instance];
1053 	int ret = -EINVAL;
1054 
1055 	switch (scode_type) {
1056 	case SCODE_PADDING_EOS:
1057 	case SCODE_PADDING_ABORT:
1058 	case SCODE_PADDING_BUFFLUSH:
1059 		ret = vpu_malone_add_padding_scode(stream_buffer, str_buf, pixelformat, scode_type);
1060 		break;
1061 	default:
1062 		break;
1063 	}
1064 
1065 	return ret;
1066 }
1067 
1068 #define MALONE_PAYLOAD_HEADER_SIZE		16
1069 #define MALONE_CODEC_VERSION_ID			0x1
1070 #define MALONE_CODEC_ID_VC1_SIMPLE		0x10
1071 #define MALONE_CODEC_ID_VC1_MAIN		0x11
1072 #define MALONE_CODEC_ID_ARV8			0x28
1073 #define MALONE_CODEC_ID_ARV9			0x29
1074 #define MALONE_CODEC_ID_VP6			0x36
1075 #define MALONE_CODEC_ID_VP8			0x36
1076 #define MALONE_CODEC_ID_DIVX3			0x38
1077 #define MALONE_CODEC_ID_SPK			0x39
1078 
1079 #define MALONE_VP8_IVF_SEQ_HEADER_LEN		32
1080 #define MALONE_VP8_IVF_FRAME_HEADER_LEN		8
1081 
1082 #define MALONE_VC1_RCV_CODEC_V1_VERSION		0x85
1083 #define MALONE_VC1_RCV_CODEC_V2_VERSION		0xC5
1084 #define MALONE_VC1_RCV_NUM_FRAMES		0xFF
1085 #define MALONE_VC1_RCV_SEQ_EXT_DATA_SIZE	4
1086 #define MALONE_VC1_RCV_SEQ_HEADER_LEN		20
1087 #define MALONE_VC1_RCV_PIC_HEADER_LEN		4
1088 #define MALONE_VC1_NAL_HEADER_LEN		4
1089 #define MALONE_VC1_CONTAIN_NAL(data)		(((data) & 0x00FFFFFF) == 0x00010000)
1090 
1091 static void set_payload_hdr(u8 *dst, u32 scd_type, u32 codec_id,
1092 			    u32 buffer_size, u32 width, u32 height)
1093 {
1094 	unsigned int payload_size;
1095 	/* payload_size = buffer_size + itself_size(16) - start_code(4) */
1096 	payload_size = buffer_size + 12;
1097 
1098 	dst[0] = 0x00;
1099 	dst[1] = 0x00;
1100 	dst[2] = 0x01;
1101 	dst[3] = scd_type;
1102 
1103 	/* length */
1104 	dst[4] = ((payload_size >> 16) & 0xff);
1105 	dst[5] = ((payload_size >> 8) & 0xff);
1106 	dst[6] = 0x4e;
1107 	dst[7] = ((payload_size >> 0) & 0xff);
1108 
1109 	/* Codec ID and Version */
1110 	dst[8] = codec_id;
1111 	dst[9] = MALONE_CODEC_VERSION_ID;
1112 
1113 	/* width */
1114 	dst[10] = ((width >> 8) & 0xff);
1115 	dst[11] = ((width >> 0) & 0xff);
1116 	dst[12] = 0x58;
1117 
1118 	/* height */
1119 	dst[13] = ((height >> 8) & 0xff);
1120 	dst[14] = ((height >> 0) & 0xff);
1121 	dst[15] = 0x50;
1122 }
1123 
1124 static void set_vp8_ivf_seqhdr(u8 *dst, u32 width, u32 height)
1125 {
1126 	/* 0-3byte signature "DKIF" */
1127 	dst[0] = 0x44;
1128 	dst[1] = 0x4b;
1129 	dst[2] = 0x49;
1130 	dst[3] = 0x46;
1131 	/* 4-5byte version: should be 0*/
1132 	dst[4] = 0x00;
1133 	dst[5] = 0x00;
1134 	/* 6-7 length of Header */
1135 	dst[6] = MALONE_VP8_IVF_SEQ_HEADER_LEN;
1136 	dst[7] = MALONE_VP8_IVF_SEQ_HEADER_LEN >> 8;
1137 	/* 8-11 VP8 fourcc */
1138 	dst[8] = 0x56;
1139 	dst[9] = 0x50;
1140 	dst[10] = 0x38;
1141 	dst[11] = 0x30;
1142 	/* 12-13 width in pixels */
1143 	dst[12] = width;
1144 	dst[13] = width >> 8;
1145 	/* 14-15 height in pixels */
1146 	dst[14] = height;
1147 	dst[15] = height >> 8;
1148 	/* 16-19 frame rate */
1149 	dst[16] = 0xe8;
1150 	dst[17] = 0x03;
1151 	dst[18] = 0x00;
1152 	dst[19] = 0x00;
1153 	/* 20-23 time scale */
1154 	dst[20] = 0x01;
1155 	dst[21] = 0x00;
1156 	dst[22] = 0x00;
1157 	dst[23] = 0x00;
1158 	/* 24-27 number frames */
1159 	dst[24] = 0xdf;
1160 	dst[25] = 0xf9;
1161 	dst[26] = 0x09;
1162 	dst[27] = 0x00;
1163 	/* 28-31 reserved */
1164 }
1165 
1166 static void set_vp8_ivf_pichdr(u8 *dst, u32 frame_size)
1167 {
1168 	/*
1169 	 * firmware just parse 64-bit timestamp(8 bytes).
1170 	 * As not transfer timestamp to firmware, use default value(ZERO).
1171 	 * No need to do anything here
1172 	 */
1173 }
1174 
1175 static void set_vc1_rcv_seqhdr(u8 *dst, u8 *src, u32 width, u32 height)
1176 {
1177 	u32 frames = MALONE_VC1_RCV_NUM_FRAMES;
1178 	u32 ext_data_size = MALONE_VC1_RCV_SEQ_EXT_DATA_SIZE;
1179 
1180 	/* 0-2 Number of frames, used default value 0xFF */
1181 	dst[0] = frames;
1182 	dst[1] = frames >> 8;
1183 	dst[2] = frames >> 16;
1184 
1185 	/* 3 RCV version, used V1 */
1186 	dst[3] = MALONE_VC1_RCV_CODEC_V1_VERSION;
1187 
1188 	/* 4-7 extension data size */
1189 	dst[4] = ext_data_size;
1190 	dst[5] = ext_data_size >> 8;
1191 	dst[6] = ext_data_size >> 16;
1192 	dst[7] = ext_data_size >> 24;
1193 	/* 8-11 extension data */
1194 	dst[8] = src[0];
1195 	dst[9] = src[1];
1196 	dst[10] = src[2];
1197 	dst[11] = src[3];
1198 
1199 	/* height */
1200 	dst[12] = height;
1201 	dst[13] = (height >> 8) & 0xff;
1202 	dst[14] = (height >> 16) & 0xff;
1203 	dst[15] = (height >> 24) & 0xff;
1204 	/* width */
1205 	dst[16] = width;
1206 	dst[17] = (width >> 8) & 0xff;
1207 	dst[18] = (width >> 16) & 0xff;
1208 	dst[19] = (width >> 24) & 0xff;
1209 }
1210 
1211 static void set_vc1_rcv_pichdr(u8 *dst, u32 buffer_size)
1212 {
1213 	dst[0] = buffer_size;
1214 	dst[1] = buffer_size >> 8;
1215 	dst[2] = buffer_size >> 16;
1216 	dst[3] = buffer_size >> 24;
1217 }
1218 
1219 static void create_vc1_nal_pichdr(u8 *dst)
1220 {
1221 	/* need insert nal header: special ID */
1222 	dst[0] = 0x0;
1223 	dst[1] = 0x0;
1224 	dst[2] = 0x01;
1225 	dst[3] = 0x0D;
1226 }
1227 
1228 static int vpu_malone_insert_scode_seq(struct malone_scode_t *scode, u32 codec_id, u32 ext_size)
1229 {
1230 	u8 hdr[MALONE_PAYLOAD_HEADER_SIZE];
1231 	int ret;
1232 
1233 	set_payload_hdr(hdr,
1234 			SCODE_SEQUENCE,
1235 			codec_id,
1236 			ext_size,
1237 			scode->inst->out_format.width,
1238 			scode->inst->out_format.height);
1239 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1240 					       &scode->wptr,
1241 					       sizeof(hdr),
1242 					       hdr);
1243 	if (ret < 0)
1244 		return ret;
1245 	return sizeof(hdr);
1246 }
1247 
1248 static int vpu_malone_insert_scode_pic(struct malone_scode_t *scode, u32 codec_id, u32 ext_size)
1249 {
1250 	u8 hdr[MALONE_PAYLOAD_HEADER_SIZE];
1251 	int ret;
1252 
1253 	set_payload_hdr(hdr,
1254 			SCODE_PICTURE,
1255 			codec_id,
1256 			ext_size + vb2_get_plane_payload(scode->vb, 0),
1257 			scode->inst->out_format.width,
1258 			scode->inst->out_format.height);
1259 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1260 					       &scode->wptr,
1261 					       sizeof(hdr),
1262 					       hdr);
1263 	if (ret < 0)
1264 		return ret;
1265 	return sizeof(hdr);
1266 }
1267 
1268 static int vpu_malone_insert_scode_vc1_g_pic(struct malone_scode_t *scode)
1269 {
1270 	struct vb2_v4l2_buffer *vbuf;
1271 	u8 nal_hdr[MALONE_VC1_NAL_HEADER_LEN];
1272 	u32 *data = NULL;
1273 	int ret;
1274 
1275 	vbuf = to_vb2_v4l2_buffer(scode->vb);
1276 	data = vb2_plane_vaddr(scode->vb, 0);
1277 
1278 	if (vbuf->sequence == 0 || vpu_vb_is_codecconfig(vbuf))
1279 		return 0;
1280 	if (MALONE_VC1_CONTAIN_NAL(*data))
1281 		return 0;
1282 
1283 	create_vc1_nal_pichdr(nal_hdr);
1284 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1285 					       &scode->wptr,
1286 					       sizeof(nal_hdr),
1287 					       nal_hdr);
1288 	if (ret < 0)
1289 		return ret;
1290 	return sizeof(nal_hdr);
1291 }
1292 
1293 static int vpu_malone_insert_scode_vc1_l_seq(struct malone_scode_t *scode)
1294 {
1295 	int ret;
1296 	int size = 0;
1297 	u8 rcv_seqhdr[MALONE_VC1_RCV_SEQ_HEADER_LEN];
1298 
1299 	scode->need_data = 0;
1300 
1301 	ret = vpu_malone_insert_scode_seq(scode, MALONE_CODEC_ID_VC1_SIMPLE, sizeof(rcv_seqhdr));
1302 	if (ret < 0)
1303 		return ret;
1304 	size = ret;
1305 
1306 	set_vc1_rcv_seqhdr(rcv_seqhdr,
1307 			   vb2_plane_vaddr(scode->vb, 0),
1308 			   scode->inst->out_format.width,
1309 			   scode->inst->out_format.height);
1310 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1311 					       &scode->wptr,
1312 					       sizeof(rcv_seqhdr),
1313 					       rcv_seqhdr);
1314 
1315 	if (ret < 0)
1316 		return ret;
1317 	size += sizeof(rcv_seqhdr);
1318 	return size;
1319 }
1320 
1321 static int vpu_malone_insert_scode_vc1_l_pic(struct malone_scode_t *scode)
1322 {
1323 	int ret;
1324 	int size = 0;
1325 	u8 rcv_pichdr[MALONE_VC1_RCV_PIC_HEADER_LEN];
1326 
1327 	ret = vpu_malone_insert_scode_pic(scode, MALONE_CODEC_ID_VC1_SIMPLE,
1328 					  sizeof(rcv_pichdr));
1329 	if (ret < 0)
1330 		return ret;
1331 	size = ret;
1332 
1333 	set_vc1_rcv_pichdr(rcv_pichdr, vb2_get_plane_payload(scode->vb, 0));
1334 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1335 					       &scode->wptr,
1336 					       sizeof(rcv_pichdr),
1337 					       rcv_pichdr);
1338 	if (ret < 0)
1339 		return ret;
1340 	size += sizeof(rcv_pichdr);
1341 	return size;
1342 }
1343 
1344 static int vpu_malone_insert_scode_vp8_seq(struct malone_scode_t *scode)
1345 {
1346 	int ret;
1347 	int size = 0;
1348 	u8 ivf_hdr[MALONE_VP8_IVF_SEQ_HEADER_LEN];
1349 
1350 	ret = vpu_malone_insert_scode_seq(scode, MALONE_CODEC_ID_VP8, sizeof(ivf_hdr));
1351 	if (ret < 0)
1352 		return ret;
1353 	size = ret;
1354 
1355 	set_vp8_ivf_seqhdr(ivf_hdr,
1356 			   scode->inst->out_format.width,
1357 			   scode->inst->out_format.height);
1358 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1359 					       &scode->wptr,
1360 					       sizeof(ivf_hdr),
1361 					       ivf_hdr);
1362 	if (ret < 0)
1363 		return ret;
1364 	size += sizeof(ivf_hdr);
1365 
1366 	return size;
1367 }
1368 
1369 static int vpu_malone_insert_scode_vp8_pic(struct malone_scode_t *scode)
1370 {
1371 	int ret;
1372 	int size = 0;
1373 	u8 ivf_hdr[MALONE_VP8_IVF_FRAME_HEADER_LEN] = {0};
1374 
1375 	ret = vpu_malone_insert_scode_pic(scode, MALONE_CODEC_ID_VP8, sizeof(ivf_hdr));
1376 	if (ret < 0)
1377 		return ret;
1378 	size = ret;
1379 
1380 	set_vp8_ivf_pichdr(ivf_hdr, vb2_get_plane_payload(scode->vb, 0));
1381 	ret = vpu_helper_copy_to_stream_buffer(&scode->inst->stream_buffer,
1382 					       &scode->wptr,
1383 					       sizeof(ivf_hdr),
1384 					       ivf_hdr);
1385 	if (ret < 0)
1386 		return ret;
1387 	size += sizeof(ivf_hdr);
1388 
1389 	return size;
1390 }
1391 
1392 static const struct malone_scode_handler scode_handlers[] = {
1393 	{
1394 		/* fix me, need to swap return operation after gstreamer swap */
1395 		.pixelformat = V4L2_PIX_FMT_VC1_ANNEX_L,
1396 		.insert_scode_seq = vpu_malone_insert_scode_vc1_l_seq,
1397 		.insert_scode_pic = vpu_malone_insert_scode_vc1_l_pic,
1398 	},
1399 	{
1400 		.pixelformat = V4L2_PIX_FMT_VC1_ANNEX_G,
1401 		.insert_scode_pic = vpu_malone_insert_scode_vc1_g_pic,
1402 	},
1403 	{
1404 		.pixelformat = V4L2_PIX_FMT_VP8,
1405 		.insert_scode_seq = vpu_malone_insert_scode_vp8_seq,
1406 		.insert_scode_pic = vpu_malone_insert_scode_vp8_pic,
1407 	},
1408 };
1409 
1410 static const struct malone_scode_handler *get_scode_handler(u32 pixelformat)
1411 {
1412 	int i;
1413 
1414 	for (i = 0; i < ARRAY_SIZE(scode_handlers); i++) {
1415 		if (scode_handlers[i].pixelformat == pixelformat)
1416 			return &scode_handlers[i];
1417 	}
1418 
1419 	return NULL;
1420 }
1421 
1422 static int vpu_malone_insert_scode(struct malone_scode_t *scode, u32 type)
1423 {
1424 	const struct malone_scode_handler *handler;
1425 	int ret = 0;
1426 
1427 	if (!scode || !scode->inst || !scode->vb)
1428 		return 0;
1429 
1430 	scode->need_data = 1;
1431 	handler = get_scode_handler(scode->inst->out_format.pixfmt);
1432 	if (!handler)
1433 		return 0;
1434 
1435 	switch (type) {
1436 	case SCODE_SEQUENCE:
1437 		if (handler->insert_scode_seq)
1438 			ret = handler->insert_scode_seq(scode);
1439 		break;
1440 	case SCODE_PICTURE:
1441 		if (handler->insert_scode_pic)
1442 			ret = handler->insert_scode_pic(scode);
1443 		break;
1444 	default:
1445 		break;
1446 	}
1447 
1448 	return ret;
1449 }
1450 
1451 static int vpu_malone_input_frame_data(struct vpu_malone_str_buffer __iomem *str_buf,
1452 				       struct vpu_inst *inst, struct vb2_buffer *vb,
1453 				       u32 disp_imm)
1454 {
1455 	struct malone_scode_t scode;
1456 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1457 	u32 wptr = readl(&str_buf->wptr);
1458 	int size = 0;
1459 	int ret = 0;
1460 
1461 	/*add scode: SCODE_SEQUENCE, SCODE_PICTURE, SCODE_SLICE*/
1462 	scode.inst = inst;
1463 	scode.vb = vb;
1464 	scode.wptr = wptr;
1465 	scode.need_data = 1;
1466 	if (vbuf->sequence == 0 || vpu_vb_is_codecconfig(vbuf))
1467 		ret = vpu_malone_insert_scode(&scode, SCODE_SEQUENCE);
1468 
1469 	if (ret < 0)
1470 		return -ENOMEM;
1471 	size += ret;
1472 	wptr = scode.wptr;
1473 	if (!scode.need_data) {
1474 		vpu_malone_update_wptr(str_buf, wptr);
1475 		return size;
1476 	}
1477 
1478 	ret = vpu_malone_insert_scode(&scode, SCODE_PICTURE);
1479 	if (ret < 0)
1480 		return -ENOMEM;
1481 	size += ret;
1482 	wptr = scode.wptr;
1483 
1484 	ret = vpu_helper_copy_to_stream_buffer(&inst->stream_buffer,
1485 					       &wptr,
1486 					       vb2_get_plane_payload(vb, 0),
1487 					       vb2_plane_vaddr(vb, 0));
1488 	if (ret < 0)
1489 		return -ENOMEM;
1490 	size += vb2_get_plane_payload(vb, 0);
1491 
1492 	vpu_malone_update_wptr(str_buf, wptr);
1493 
1494 	if (disp_imm && !vpu_vb_is_codecconfig(vbuf)) {
1495 		ret = vpu_malone_add_scode(inst->core->iface,
1496 					   inst->id,
1497 					   &inst->stream_buffer,
1498 					   inst->out_format.pixfmt,
1499 					   SCODE_PADDING_BUFFLUSH);
1500 		if (ret < 0)
1501 			return ret;
1502 		size += ret;
1503 	}
1504 
1505 	return size;
1506 }
1507 
1508 static int vpu_malone_input_stream_data(struct vpu_malone_str_buffer __iomem *str_buf,
1509 					struct vpu_inst *inst, struct vb2_buffer *vb)
1510 {
1511 	u32 wptr = readl(&str_buf->wptr);
1512 	int ret = 0;
1513 
1514 	ret = vpu_helper_copy_to_stream_buffer(&inst->stream_buffer,
1515 					       &wptr,
1516 					       vb2_get_plane_payload(vb, 0),
1517 					       vb2_plane_vaddr(vb, 0));
1518 	if (ret < 0)
1519 		return -ENOMEM;
1520 
1521 	vpu_malone_update_wptr(str_buf, wptr);
1522 
1523 	return ret;
1524 }
1525 
1526 static int vpu_malone_input_ts(struct vpu_inst *inst, s64  timestamp, u32 size)
1527 {
1528 	struct vpu_ts_info info;
1529 
1530 	memset(&info, 0, sizeof(info));
1531 	info.timestamp = timestamp;
1532 	info.size = size;
1533 
1534 	return vpu_session_fill_timestamp(inst, &info);
1535 }
1536 
1537 int vpu_malone_input_frame(struct vpu_shared_addr *shared,
1538 			   struct vpu_inst *inst, struct vb2_buffer *vb)
1539 {
1540 	struct vpu_dec_ctrl *hc = shared->priv;
1541 	struct vb2_v4l2_buffer *vbuf;
1542 	struct vpu_malone_str_buffer __iomem *str_buf = hc->str_buf[inst->id];
1543 	u32 disp_imm = hc->codec_param[inst->id].disp_imm;
1544 	u32 size;
1545 	int ret;
1546 
1547 	if (vpu_malone_is_non_frame_mode(shared, inst->id))
1548 		ret = vpu_malone_input_stream_data(str_buf, inst, vb);
1549 	else
1550 		ret = vpu_malone_input_frame_data(str_buf, inst, vb, disp_imm);
1551 	if (ret < 0)
1552 		return ret;
1553 	size = ret;
1554 
1555 	/*
1556 	 * if buffer only contain codec data, and the timestamp is invalid,
1557 	 * don't put the invalid timestamp to resync
1558 	 * merge the data to next frame
1559 	 */
1560 	vbuf = to_vb2_v4l2_buffer(vb);
1561 	if (vpu_vb_is_codecconfig(vbuf)) {
1562 		inst->extra_size += size;
1563 		return 0;
1564 	}
1565 	if (inst->extra_size) {
1566 		size += inst->extra_size;
1567 		inst->extra_size = 0;
1568 	}
1569 
1570 	ret = vpu_malone_input_ts(inst, vb->timestamp, size);
1571 	if (ret)
1572 		return ret;
1573 
1574 	return 0;
1575 }
1576 
1577 static bool vpu_malone_check_ready(struct vpu_shared_addr *shared, u32 instance)
1578 {
1579 	struct malone_iface *iface = shared->iface;
1580 	struct vpu_rpc_buffer_desc *desc = &iface->api_cmd_buffer_desc[instance];
1581 	u32 size = desc->end - desc->start;
1582 	u32 rptr = desc->rptr;
1583 	u32 wptr = desc->wptr;
1584 	u32 used;
1585 
1586 	if (!size)
1587 		return true;
1588 
1589 	used = (wptr + size - rptr) % size;
1590 	if (used < (size / 2))
1591 		return true;
1592 
1593 	return false;
1594 }
1595 
1596 bool vpu_malone_is_ready(struct vpu_shared_addr *shared, u32 instance)
1597 {
1598 	u32 cnt = 0;
1599 
1600 	while (!vpu_malone_check_ready(shared, instance)) {
1601 		if (cnt > 30)
1602 			return false;
1603 		mdelay(1);
1604 		cnt++;
1605 	}
1606 	return true;
1607 }
1608 
1609 int vpu_malone_pre_cmd(struct vpu_shared_addr *shared, u32 instance)
1610 {
1611 	if (!vpu_malone_is_ready(shared, instance))
1612 		return -EINVAL;
1613 
1614 	return 0;
1615 }
1616 
1617 int vpu_malone_post_cmd(struct vpu_shared_addr *shared, u32 instance)
1618 {
1619 	struct malone_iface *iface = shared->iface;
1620 	struct vpu_rpc_buffer_desc *desc = &iface->api_cmd_buffer_desc[instance];
1621 
1622 	desc->wptr++;
1623 	if (desc->wptr == desc->end)
1624 		desc->wptr = desc->start;
1625 
1626 	return 0;
1627 }
1628 
1629 int vpu_malone_init_instance(struct vpu_shared_addr *shared, u32 instance)
1630 {
1631 	struct malone_iface *iface = shared->iface;
1632 	struct vpu_rpc_buffer_desc *desc = &iface->api_cmd_buffer_desc[instance];
1633 
1634 	desc->wptr = desc->rptr;
1635 	if (desc->wptr == desc->end)
1636 		desc->wptr = desc->start;
1637 
1638 	return 0;
1639 }
1640 
1641 u32 vpu_malone_get_max_instance_count(struct vpu_shared_addr *shared)
1642 {
1643 	struct malone_iface *iface = shared->iface;
1644 
1645 	return iface->max_streams;
1646 }
1647