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