path: root/drivers/frame_provider/decoder/utils/vdec_v4l2_buffer_ops.c (plain)
blob: e133b937eef5c94d9c8dc1dd845ff2f8e9ee6ca3

1	#include "vdec_v4l2_buffer_ops.h"
2	#include <media/v4l2-mem2mem.h>
3	#include <linux/printk.h>
4
5	int vdec_v4l_get_buffer(struct aml_vcodec_ctx *ctx,
6	struct vdec_v4l2_buffer **out)
7	{
8	int ret = -1;
9
10	if (ctx->drv_handle == 0)
11	return -EIO;
12
13	ret = ctx->dec_if->get_param(ctx->drv_handle,
14	GET_PARAM_FREE_FRAME_BUFFER, out);
15
16	return ret;
17	}
18	EXPORT_SYMBOL(vdec_v4l_get_buffer);
19
20	int vdec_v4l_get_pic_info(struct aml_vcodec_ctx *ctx,
21	struct vdec_pic_info *pic)
22	{
23	int ret = 0;
24
25	if (ctx->drv_handle == 0)
26	return -EIO;
27
28	ret = ctx->dec_if->get_param(ctx->drv_handle,
29	GET_PARAM_PIC_INFO, pic);
30
31	return ret;
32	}
33	EXPORT_SYMBOL(vdec_v4l_get_pic_info);
34
35	int vdec_v4l_set_ps_infos(struct aml_vcodec_ctx *ctx,
36	struct aml_vdec_ps_infos *ps)
37	{
38	int ret = 0;
39
40	if (ctx->drv_handle == 0)
41	return -EIO;
42
43	ret = ctx->dec_if->set_param(ctx->drv_handle,
44	SET_PARAM_PS_INFO, ps);
45
46	return ret;
47	}
48	EXPORT_SYMBOL(vdec_v4l_set_ps_infos);
49
50	int vdec_v4l_set_hdr_infos(struct aml_vcodec_ctx *ctx,
51	struct aml_vdec_hdr_infos *hdr)
52	{
53	int ret = 0;
54
55	if (ctx->drv_handle == 0)
56	return -EIO;
57
58	ret = ctx->dec_if->set_param(ctx->drv_handle,
59	SET_PARAM_HDR_INFO, hdr);
60
61	return ret;
62	}
63	EXPORT_SYMBOL(vdec_v4l_set_hdr_infos);
64
65	static void aml_wait_dpb_ready(struct aml_vcodec_ctx *ctx)
66	{
67	ulong expires;
68
69	expires = jiffies + msecs_to_jiffies(1000);
70	while (!ctx->v4l_codec_dpb_ready) {
71	u32 ready_num = 0;
72
73	if (time_after(jiffies, expires)) {
74	pr_err("the DPB state has not ready.\n");
75	break;
76	}
77
78	ready_num = v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx);
79	if ((ready_num + ctx->buf_used_count) >= ctx->dpb_size)
80	ctx->v4l_codec_dpb_ready = true;
81	}
82	}
83
84	void aml_vdec_pic_info_update(struct aml_vcodec_ctx *ctx)
85	{
86	unsigned int dpbsize = 0;
87	int ret;
88
89	if (ctx->dec_if->get_param(ctx->drv_handle, GET_PARAM_PIC_INFO, &ctx->last_decoded_picinfo)) {
90	pr_err("Cannot get param : GET_PARAM_PICTURE_INFO ERR\n");
91	return;
92	}
93
94	if (ctx->last_decoded_picinfo.visible_width == 0 ||
95	ctx->last_decoded_picinfo.visible_height == 0 ||
96	ctx->last_decoded_picinfo.coded_width == 0 ||
97	ctx->last_decoded_picinfo.coded_height == 0) {
98	pr_err("Cannot get correct pic info\n");
99	return;
100	}
101
102	ret = ctx->dec_if->get_param(ctx->drv_handle, GET_PARAM_DPB_SIZE, &dpbsize);
103	if (dpbsize == 0)
104	pr_err("Incorrect dpb size, ret=%d\n", ret);
105
106	/* update picture information */
107	ctx->dpb_size = dpbsize;
108	ctx->picinfo = ctx->last_decoded_picinfo;
109	}
110
111	int vdec_v4l_post_evet(struct aml_vcodec_ctx *ctx, u32 event)
112	{
113	int ret = 0;
114
115	if (ctx->drv_handle == 0)
116	return -EIO;
117	if (event == 1)
118	ctx->reset_flag = 2;
119	ret = ctx->dec_if->set_param(ctx->drv_handle,
120	SET_PARAM_POST_EVENT, &event);
121
122	return ret;
123	}
124	EXPORT_SYMBOL(vdec_v4l_post_evet);
125
126	int vdec_v4l_res_ch_event(struct aml_vcodec_ctx *ctx)
127	{
128	int ret = 0;
129	struct aml_vcodec_dev *dev = ctx->dev;
130
131	if (ctx->drv_handle == 0)
132	return -EIO;
133
134	/* wait the DPB state to be ready. */
135	aml_wait_dpb_ready(ctx);
136
137	aml_vdec_pic_info_update(ctx);
138
139	mutex_lock(&ctx->state_lock);
140
141	ctx->state = AML_STATE_FLUSHING;/*prepare flushing*/
142
143	pr_info("[%d]: vcodec state (AML_STATE_FLUSHING-RESCHG)\n", ctx->id);
144
145	mutex_unlock(&ctx->state_lock);
146
147	ctx->q_data[AML_Q_DATA_SRC].resolution_changed = true;
148	v4l2_m2m_job_pause(dev->m2m_dev_dec, ctx->m2m_ctx);
149
150	return ret;
151	}
152	EXPORT_SYMBOL(vdec_v4l_res_ch_event);
153
154
155	int vdec_v4l_write_frame_sync(struct aml_vcodec_ctx *ctx)
156	{
157	int ret = 0;
158
159	if (ctx->drv_handle == 0)
160	return -EIO;
161
162	ret = ctx->dec_if->set_param(ctx->drv_handle,
163	SET_PARAM_WRITE_FRAME_SYNC, NULL);
164
165	return ret;
166	}
167	EXPORT_SYMBOL(vdec_v4l_write_frame_sync);
168
169