1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
5 * PC Chen <pc.chen@mediatek.com>
6 */
7
8 #include <linux/slab.h>
9 #include "../vdec_drv_if.h"
10 #include "../mtk_vcodec_util.h"
11 #include "../mtk_vcodec_dec.h"
12 #include "../mtk_vcodec_intr.h"
13 #include "../vdec_vpu_if.h"
14 #include "../vdec_drv_base.h"
15
16 /* Decoding picture buffer size (3 reference frames plus current frame) */
17 #define VP8_DPB_SIZE 4
18
19 /* HW working buffer size (bytes) */
20 #define VP8_WORKING_BUF_SZ (45 * 4096)
21
22 /* HW control register address */
23 #define VP8_SEGID_DRAM_ADDR 0x3c
24 #define VP8_HW_VLD_ADDR 0x93C
25 #define VP8_HW_VLD_VALUE 0x940
26 #define VP8_BSASET 0x100
27 #define VP8_BSDSET 0x104
28 #define VP8_RW_CKEN_SET 0x0
29 #define VP8_RW_DCM_CON 0x18
30 #define VP8_WO_VLD_SRST 0x108
31 #define VP8_RW_MISC_SYS_SEL 0x84
32 #define VP8_RW_MISC_SPEC_CON 0xC8
33 #define VP8_WO_VLD_SRST 0x108
34 #define VP8_RW_VP8_CTRL 0xA4
35 #define VP8_RW_MISC_DCM_CON 0xEC
36 #define VP8_RW_MISC_SRST 0xF4
37 #define VP8_RW_MISC_FUNC_CON 0xCC
38
39 #define VP8_MAX_FRM_BUF_NUM 5
40 #define VP8_MAX_FRM_BUF_NODE_NUM (VP8_MAX_FRM_BUF_NUM * 2)
41
42 /* required buffer size (bytes) to store decode information */
43 #define VP8_HW_SEGMENT_DATA_SZ 272
44 #define VP8_HW_SEGMENT_UINT 4
45
46 #define VP8_DEC_TABLE_PROC_LOOP 96
47 #define VP8_DEC_TABLE_UNIT 3
48 #define VP8_DEC_TABLE_SZ 300
49 #define VP8_DEC_TABLE_OFFSET 2
50 #define VP8_DEC_TABLE_RW_UNIT 4
51
52 /**
53 * struct vdec_vp8_dec_info - decode misc information
54 * @working_buf_dma : working buffer dma address
55 * @prev_y_dma : previous decoded frame buffer Y plane address
56 * @cur_y_fb_dma : current plane Y frame buffer dma address
57 * @cur_c_fb_dma : current plane C frame buffer dma address
58 * @bs_dma : bitstream dma address
59 * @bs_sz : bitstream size
60 * @resolution_changed: resolution change flag 1 - changed, 0 - not change
61 * @show_frame : display this frame or not
62 * @wait_key_frame : wait key frame coming
63 */
64 struct vdec_vp8_dec_info {
65 uint64_t working_buf_dma;
66 uint64_t prev_y_dma;
67 uint64_t cur_y_fb_dma;
68 uint64_t cur_c_fb_dma;
69 uint64_t bs_dma;
70 uint32_t bs_sz;
71 uint32_t resolution_changed;
72 uint32_t show_frame;
73 uint32_t wait_key_frame;
74 };
75
76 /**
77 * struct vdec_vp8_vsi - VPU shared information
78 * @dec : decoding information
79 * @pic : picture information
80 * @dec_table : decoder coefficient table
81 * @segment_buf : segmentation buffer
82 * @load_data : flag to indicate reload decode data
83 */
84 struct vdec_vp8_vsi {
85 struct vdec_vp8_dec_info dec;
86 struct vdec_pic_info pic;
87 uint32_t dec_table[VP8_DEC_TABLE_SZ];
88 uint32_t segment_buf[VP8_HW_SEGMENT_DATA_SZ][VP8_HW_SEGMENT_UINT];
89 uint32_t load_data;
90 };
91
92 /**
93 * struct vdec_vp8_hw_reg_base - HW register base
94 * @sys : base address for sys
95 * @misc : base address for misc
96 * @ld : base address for ld
97 * @top : base address for top
98 * @cm : base address for cm
99 * @hwd : base address for hwd
100 * @hwb : base address for hwb
101 */
102 struct vdec_vp8_hw_reg_base {
103 void __iomem *sys;
104 void __iomem *misc;
105 void __iomem *ld;
106 void __iomem *top;
107 void __iomem *cm;
108 void __iomem *hwd;
109 void __iomem *hwb;
110 };
111
112 /**
113 * struct vdec_vp8_vpu_inst - VPU instance for VP8 decode
114 * @wq_hd : Wait queue to wait VPU message ack
115 * @signaled : 1 - Host has received ack message from VPU, 0 - not receive
116 * @failure : VPU execution result status 0 - success, others - fail
117 * @inst_addr : VPU decoder instance address
118 */
119 struct vdec_vp8_vpu_inst {
120 wait_queue_head_t wq_hd;
121 int signaled;
122 int failure;
123 uint32_t inst_addr;
124 };
125
126 /* frame buffer (fb) list
127 * [available_fb_node_list] - decode fb are initialized to 0 and populated in
128 * [fb_use_list] - fb is set after decode and is moved to this list
129 * [fb_free_list] - fb is not needed for reference will be moved from
130 * [fb_use_list] to [fb_free_list] and
131 * once user remove fb from [fb_free_list],
132 * it is circulated back to [available_fb_node_list]
133 * [fb_disp_list] - fb is set after decode and is moved to this list
134 * once user remove fb from [fb_disp_list] it is
135 * circulated back to [available_fb_node_list]
136 */
137
138 /**
139 * struct vdec_vp8_inst - VP8 decoder instance
140 * @cur_fb : current frame buffer
141 * @dec_fb : decode frame buffer node
142 * @available_fb_node_list : list to store available frame buffer node
143 * @fb_use_list : list to store frame buffer in use
144 * @fb_free_list : list to store free frame buffer
145 * @fb_disp_list : list to store display ready frame buffer
146 * @working_buf : HW decoder working buffer
147 * @reg_base : HW register base address
148 * @frm_cnt : decode frame count
149 * @ctx : V4L2 context
150 * @vpu : VPU instance for decoder
151 * @vsi : VPU share information
152 */
153 struct vdec_vp8_inst {
154 struct vdec_fb *cur_fb;
155 struct vdec_fb_node dec_fb[VP8_MAX_FRM_BUF_NODE_NUM];
156 struct list_head available_fb_node_list;
157 struct list_head fb_use_list;
158 struct list_head fb_free_list;
159 struct list_head fb_disp_list;
160 struct mtk_vcodec_mem working_buf;
161 struct vdec_vp8_hw_reg_base reg_base;
162 unsigned int frm_cnt;
163 struct mtk_vcodec_ctx *ctx;
164 struct vdec_vpu_inst vpu;
165 struct vdec_vp8_vsi *vsi;
166 };
167
get_hw_reg_base(struct vdec_vp8_inst * inst)168 static void get_hw_reg_base(struct vdec_vp8_inst *inst)
169 {
170 inst->reg_base.top = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_TOP);
171 inst->reg_base.cm = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_CM);
172 inst->reg_base.hwd = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_HWD);
173 inst->reg_base.sys = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_SYS);
174 inst->reg_base.misc = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_MISC);
175 inst->reg_base.ld = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_LD);
176 inst->reg_base.hwb = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_HWB);
177 }
178
write_hw_segmentation_data(struct vdec_vp8_inst * inst)179 static void write_hw_segmentation_data(struct vdec_vp8_inst *inst)
180 {
181 int i, j;
182 u32 seg_id_addr;
183 u32 val;
184 void __iomem *cm = inst->reg_base.cm;
185 struct vdec_vp8_vsi *vsi = inst->vsi;
186
187 seg_id_addr = readl(inst->reg_base.top + VP8_SEGID_DRAM_ADDR) >> 4;
188
189 for (i = 0; i < ARRAY_SIZE(vsi->segment_buf); i++) {
190 for (j = ARRAY_SIZE(vsi->segment_buf[i]) - 1; j >= 0; j--) {
191 val = (1 << 16) + ((seg_id_addr + i) << 2) + j;
192 writel(val, cm + VP8_HW_VLD_ADDR);
193
194 val = vsi->segment_buf[i][j];
195 writel(val, cm + VP8_HW_VLD_VALUE);
196 }
197 }
198 }
199
read_hw_segmentation_data(struct vdec_vp8_inst * inst)200 static void read_hw_segmentation_data(struct vdec_vp8_inst *inst)
201 {
202 int i, j;
203 u32 seg_id_addr;
204 u32 val;
205 void __iomem *cm = inst->reg_base.cm;
206 struct vdec_vp8_vsi *vsi = inst->vsi;
207
208 seg_id_addr = readl(inst->reg_base.top + VP8_SEGID_DRAM_ADDR) >> 4;
209
210 for (i = 0; i < ARRAY_SIZE(vsi->segment_buf); i++) {
211 for (j = ARRAY_SIZE(vsi->segment_buf[i]) - 1; j >= 0; j--) {
212 val = ((seg_id_addr + i) << 2) + j;
213 writel(val, cm + VP8_HW_VLD_ADDR);
214
215 val = readl(cm + VP8_HW_VLD_VALUE);
216 vsi->segment_buf[i][j] = val;
217 }
218 }
219 }
220
221 /* reset HW and enable HW read/write data function */
enable_hw_rw_function(struct vdec_vp8_inst * inst)222 static void enable_hw_rw_function(struct vdec_vp8_inst *inst)
223 {
224 u32 val = 0;
225 void __iomem *sys = inst->reg_base.sys;
226 void __iomem *misc = inst->reg_base.misc;
227 void __iomem *ld = inst->reg_base.ld;
228 void __iomem *hwb = inst->reg_base.hwb;
229 void __iomem *hwd = inst->reg_base.hwd;
230
231 writel(0x1, sys + VP8_RW_CKEN_SET);
232 writel(0x101, ld + VP8_WO_VLD_SRST);
233 writel(0x101, hwb + VP8_WO_VLD_SRST);
234
235 writel(1, sys);
236 val = readl(misc + VP8_RW_MISC_SRST);
237 writel((val & 0xFFFFFFFE), misc + VP8_RW_MISC_SRST);
238
239 writel(0x1, misc + VP8_RW_MISC_SYS_SEL);
240 writel(0x17F, misc + VP8_RW_MISC_SPEC_CON);
241 writel(0x71201100, misc + VP8_RW_MISC_FUNC_CON);
242 writel(0x0, ld + VP8_WO_VLD_SRST);
243 writel(0x0, hwb + VP8_WO_VLD_SRST);
244 writel(0x1, sys + VP8_RW_DCM_CON);
245 writel(0x1, misc + VP8_RW_MISC_DCM_CON);
246 writel(0x1, hwd + VP8_RW_VP8_CTRL);
247 }
248
store_dec_table(struct vdec_vp8_inst * inst)249 static void store_dec_table(struct vdec_vp8_inst *inst)
250 {
251 int i, j;
252 u32 addr = 0, val = 0;
253 void __iomem *hwd = inst->reg_base.hwd;
254 u32 *p = &inst->vsi->dec_table[VP8_DEC_TABLE_OFFSET];
255
256 for (i = 0; i < VP8_DEC_TABLE_PROC_LOOP; i++) {
257 writel(addr, hwd + VP8_BSASET);
258 for (j = 0; j < VP8_DEC_TABLE_UNIT ; j++) {
259 val = *p++;
260 writel(val, hwd + VP8_BSDSET);
261 }
262 addr += VP8_DEC_TABLE_RW_UNIT;
263 }
264 }
265
load_dec_table(struct vdec_vp8_inst * inst)266 static void load_dec_table(struct vdec_vp8_inst *inst)
267 {
268 int i;
269 u32 addr = 0;
270 u32 *p = &inst->vsi->dec_table[VP8_DEC_TABLE_OFFSET];
271 void __iomem *hwd = inst->reg_base.hwd;
272
273 for (i = 0; i < VP8_DEC_TABLE_PROC_LOOP; i++) {
274 writel(addr, hwd + VP8_BSASET);
275 /* read total 11 bytes */
276 *p++ = readl(hwd + VP8_BSDSET);
277 *p++ = readl(hwd + VP8_BSDSET);
278 *p++ = readl(hwd + VP8_BSDSET) & 0xFFFFFF;
279 addr += VP8_DEC_TABLE_RW_UNIT;
280 }
281 }
282
get_pic_info(struct vdec_vp8_inst * inst,struct vdec_pic_info * pic)283 static void get_pic_info(struct vdec_vp8_inst *inst, struct vdec_pic_info *pic)
284 {
285 *pic = inst->vsi->pic;
286
287 mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
288 pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
289 mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
290 pic->fb_sz[0], pic->fb_sz[1]);
291 }
292
vp8_dec_finish(struct vdec_vp8_inst * inst)293 static void vp8_dec_finish(struct vdec_vp8_inst *inst)
294 {
295 struct vdec_fb_node *node;
296 uint64_t prev_y_dma = inst->vsi->dec.prev_y_dma;
297
298 mtk_vcodec_debug(inst, "prev fb base dma=%llx", prev_y_dma);
299
300 /* put last decode ok frame to fb_free_list */
301 if (prev_y_dma != 0) {
302 list_for_each_entry(node, &inst->fb_use_list, list) {
303 struct vdec_fb *fb = (struct vdec_fb *)node->fb;
304
305 if (prev_y_dma == (uint64_t)fb->base_y.dma_addr) {
306 list_move_tail(&node->list,
307 &inst->fb_free_list);
308 break;
309 }
310 }
311 }
312
313 /* available_fb_node_list -> fb_use_list */
314 node = list_first_entry(&inst->available_fb_node_list,
315 struct vdec_fb_node, list);
316 node->fb = inst->cur_fb;
317 list_move_tail(&node->list, &inst->fb_use_list);
318
319 /* available_fb_node_list -> fb_disp_list */
320 if (inst->vsi->dec.show_frame) {
321 node = list_first_entry(&inst->available_fb_node_list,
322 struct vdec_fb_node, list);
323 node->fb = inst->cur_fb;
324 list_move_tail(&node->list, &inst->fb_disp_list);
325 }
326 }
327
move_fb_list_use_to_free(struct vdec_vp8_inst * inst)328 static void move_fb_list_use_to_free(struct vdec_vp8_inst *inst)
329 {
330 struct vdec_fb_node *node, *tmp;
331
332 list_for_each_entry_safe(node, tmp, &inst->fb_use_list, list)
333 list_move_tail(&node->list, &inst->fb_free_list);
334 }
335
init_list(struct vdec_vp8_inst * inst)336 static void init_list(struct vdec_vp8_inst *inst)
337 {
338 int i;
339
340 INIT_LIST_HEAD(&inst->available_fb_node_list);
341 INIT_LIST_HEAD(&inst->fb_use_list);
342 INIT_LIST_HEAD(&inst->fb_free_list);
343 INIT_LIST_HEAD(&inst->fb_disp_list);
344
345 for (i = 0; i < ARRAY_SIZE(inst->dec_fb); i++) {
346 INIT_LIST_HEAD(&inst->dec_fb[i].list);
347 inst->dec_fb[i].fb = NULL;
348 list_add_tail(&inst->dec_fb[i].list,
349 &inst->available_fb_node_list);
350 }
351 }
352
add_fb_to_free_list(struct vdec_vp8_inst * inst,void * fb)353 static void add_fb_to_free_list(struct vdec_vp8_inst *inst, void *fb)
354 {
355 struct vdec_fb_node *node;
356
357 if (fb) {
358 node = list_first_entry(&inst->available_fb_node_list,
359 struct vdec_fb_node, list);
360 node->fb = fb;
361 list_move_tail(&node->list, &inst->fb_free_list);
362 }
363 }
364
alloc_working_buf(struct vdec_vp8_inst * inst)365 static int alloc_working_buf(struct vdec_vp8_inst *inst)
366 {
367 int err;
368 struct mtk_vcodec_mem *mem = &inst->working_buf;
369
370 mem->size = VP8_WORKING_BUF_SZ;
371 err = mtk_vcodec_mem_alloc(inst->ctx, mem);
372 if (err) {
373 mtk_vcodec_err(inst, "Cannot allocate working buffer");
374 return err;
375 }
376
377 inst->vsi->dec.working_buf_dma = (uint64_t)mem->dma_addr;
378 return 0;
379 }
380
free_working_buf(struct vdec_vp8_inst * inst)381 static void free_working_buf(struct vdec_vp8_inst *inst)
382 {
383 struct mtk_vcodec_mem *mem = &inst->working_buf;
384
385 if (mem->va)
386 mtk_vcodec_mem_free(inst->ctx, mem);
387
388 inst->vsi->dec.working_buf_dma = 0;
389 }
390
vdec_vp8_init(struct mtk_vcodec_ctx * ctx)391 static int vdec_vp8_init(struct mtk_vcodec_ctx *ctx)
392 {
393 struct vdec_vp8_inst *inst;
394 int err;
395
396 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
397 if (!inst)
398 return -ENOMEM;
399
400 inst->ctx = ctx;
401
402 inst->vpu.id = IPI_VDEC_VP8;
403 inst->vpu.dev = ctx->dev->vpu_plat_dev;
404 inst->vpu.ctx = ctx;
405 inst->vpu.handler = vpu_dec_ipi_handler;
406
407 err = vpu_dec_init(&inst->vpu);
408 if (err) {
409 mtk_vcodec_err(inst, "vdec_vp8 init err=%d", err);
410 goto error_free_inst;
411 }
412
413 inst->vsi = (struct vdec_vp8_vsi *)inst->vpu.vsi;
414 init_list(inst);
415 err = alloc_working_buf(inst);
416 if (err)
417 goto error_deinit;
418
419 get_hw_reg_base(inst);
420 mtk_vcodec_debug(inst, "VP8 Instance >> %p", inst);
421
422 ctx->drv_handle = inst;
423 return 0;
424
425 error_deinit:
426 vpu_dec_deinit(&inst->vpu);
427 error_free_inst:
428 kfree(inst);
429 return err;
430 }
431
vdec_vp8_decode(void * h_vdec,struct mtk_vcodec_mem * bs,struct vdec_fb * fb,bool * res_chg)432 static int vdec_vp8_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
433 struct vdec_fb *fb, bool *res_chg)
434 {
435 struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
436 struct vdec_vp8_dec_info *dec = &inst->vsi->dec;
437 struct vdec_vpu_inst *vpu = &inst->vpu;
438 unsigned char *bs_va;
439 unsigned int data;
440 int err = 0;
441 uint64_t y_fb_dma;
442 uint64_t c_fb_dma;
443
444 /* bs NULL means flush decoder */
445 if (bs == NULL) {
446 move_fb_list_use_to_free(inst);
447 return vpu_dec_reset(vpu);
448 }
449
450 y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
451 c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
452
453 mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx c_dma=%llx fb=%p",
454 inst->frm_cnt, y_fb_dma, c_fb_dma, fb);
455
456 inst->cur_fb = fb;
457 dec->bs_dma = (unsigned long)bs->dma_addr;
458 dec->bs_sz = bs->size;
459 dec->cur_y_fb_dma = y_fb_dma;
460 dec->cur_c_fb_dma = c_fb_dma;
461
462 mtk_vcodec_debug(inst, "\n + FRAME[%d] +\n", inst->frm_cnt);
463
464 write_hw_segmentation_data(inst);
465 enable_hw_rw_function(inst);
466 store_dec_table(inst);
467
468 bs_va = (unsigned char *)bs->va;
469
470 /* retrieve width/hight and scale info from header */
471 data = (*(bs_va + 9) << 24) | (*(bs_va + 8) << 16) |
472 (*(bs_va + 7) << 8) | *(bs_va + 6);
473 err = vpu_dec_start(vpu, &data, 1);
474 if (err) {
475 add_fb_to_free_list(inst, fb);
476 if (dec->wait_key_frame) {
477 mtk_vcodec_debug(inst, "wait key frame !");
478 return 0;
479 }
480
481 goto error;
482 }
483
484 if (dec->resolution_changed) {
485 mtk_vcodec_debug(inst, "- resolution_changed -");
486 *res_chg = true;
487 add_fb_to_free_list(inst, fb);
488 return 0;
489 }
490
491 /* wait decoder done interrupt */
492 mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
493 WAIT_INTR_TIMEOUT_MS);
494
495 if (inst->vsi->load_data)
496 load_dec_table(inst);
497
498 vp8_dec_finish(inst);
499 read_hw_segmentation_data(inst);
500
501 err = vpu_dec_end(vpu);
502 if (err)
503 goto error;
504
505 mtk_vcodec_debug(inst, "\n - FRAME[%d] - show=%d\n", inst->frm_cnt,
506 dec->show_frame);
507 inst->frm_cnt++;
508 *res_chg = false;
509 return 0;
510
511 error:
512 mtk_vcodec_err(inst, "\n - FRAME[%d] - err=%d\n", inst->frm_cnt, err);
513 return err;
514 }
515
get_disp_fb(struct vdec_vp8_inst * inst,struct vdec_fb ** out_fb)516 static void get_disp_fb(struct vdec_vp8_inst *inst, struct vdec_fb **out_fb)
517 {
518 struct vdec_fb_node *node;
519 struct vdec_fb *fb;
520
521 node = list_first_entry_or_null(&inst->fb_disp_list,
522 struct vdec_fb_node, list);
523 if (node) {
524 list_move_tail(&node->list, &inst->available_fb_node_list);
525 fb = (struct vdec_fb *)node->fb;
526 fb->status |= FB_ST_DISPLAY;
527 mtk_vcodec_debug(inst, "[FB] get disp fb %p st=%d",
528 node->fb, fb->status);
529 } else {
530 fb = NULL;
531 mtk_vcodec_debug(inst, "[FB] there is no disp fb");
532 }
533
534 *out_fb = fb;
535 }
536
get_free_fb(struct vdec_vp8_inst * inst,struct vdec_fb ** out_fb)537 static void get_free_fb(struct vdec_vp8_inst *inst, struct vdec_fb **out_fb)
538 {
539 struct vdec_fb_node *node;
540 struct vdec_fb *fb;
541
542 node = list_first_entry_or_null(&inst->fb_free_list,
543 struct vdec_fb_node, list);
544 if (node) {
545 list_move_tail(&node->list, &inst->available_fb_node_list);
546 fb = (struct vdec_fb *)node->fb;
547 fb->status |= FB_ST_FREE;
548 mtk_vcodec_debug(inst, "[FB] get free fb %p st=%d",
549 node->fb, fb->status);
550 } else {
551 fb = NULL;
552 mtk_vcodec_debug(inst, "[FB] there is no free fb");
553 }
554
555 *out_fb = fb;
556 }
557
get_crop_info(struct vdec_vp8_inst * inst,struct v4l2_rect * cr)558 static void get_crop_info(struct vdec_vp8_inst *inst, struct v4l2_rect *cr)
559 {
560 cr->left = 0;
561 cr->top = 0;
562 cr->width = inst->vsi->pic.pic_w;
563 cr->height = inst->vsi->pic.pic_h;
564 mtk_vcodec_debug(inst, "get crop info l=%d, t=%d, w=%d, h=%d",
565 cr->left, cr->top, cr->width, cr->height);
566 }
567
vdec_vp8_get_param(void * h_vdec,enum vdec_get_param_type type,void * out)568 static int vdec_vp8_get_param(void *h_vdec, enum vdec_get_param_type type,
569 void *out)
570 {
571 struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
572
573 switch (type) {
574 case GET_PARAM_DISP_FRAME_BUFFER:
575 get_disp_fb(inst, out);
576 break;
577
578 case GET_PARAM_FREE_FRAME_BUFFER:
579 get_free_fb(inst, out);
580 break;
581
582 case GET_PARAM_PIC_INFO:
583 get_pic_info(inst, out);
584 break;
585
586 case GET_PARAM_CROP_INFO:
587 get_crop_info(inst, out);
588 break;
589
590 case GET_PARAM_DPB_SIZE:
591 *((unsigned int *)out) = VP8_DPB_SIZE;
592 break;
593
594 default:
595 mtk_vcodec_err(inst, "invalid get parameter type=%d", type);
596 return -EINVAL;
597 }
598
599 return 0;
600 }
601
vdec_vp8_deinit(void * h_vdec)602 static void vdec_vp8_deinit(void *h_vdec)
603 {
604 struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
605
606 mtk_vcodec_debug_enter(inst);
607
608 vpu_dec_deinit(&inst->vpu);
609 free_working_buf(inst);
610 kfree(inst);
611 }
612
613 const struct vdec_common_if vdec_vp8_if = {
614 .init = vdec_vp8_init,
615 .decode = vdec_vp8_decode,
616 .get_param = vdec_vp8_get_param,
617 .deinit = vdec_vp8_deinit,
618 };
619
