1 // SPDX-License-Identifier: GPL-2.0
2
3 #include "../decoder/mtk_vcodec_dec_drv.h"
4 #include "../encoder/mtk_vcodec_enc_drv.h"
5 #include "mtk_vcodec_fw_priv.h"
6
mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw * fw)7 static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw)
8 {
9 return vpu_load_firmware(fw->pdev);
10 }
11
mtk_vcodec_vpu_get_vdec_capa(struct mtk_vcodec_fw * fw)12 static unsigned int mtk_vcodec_vpu_get_vdec_capa(struct mtk_vcodec_fw *fw)
13 {
14 return vpu_get_vdec_hw_capa(fw->pdev);
15 }
16
mtk_vcodec_vpu_get_venc_capa(struct mtk_vcodec_fw * fw)17 static unsigned int mtk_vcodec_vpu_get_venc_capa(struct mtk_vcodec_fw *fw)
18 {
19 return vpu_get_venc_hw_capa(fw->pdev);
20 }
21
mtk_vcodec_vpu_map_dm_addr(struct mtk_vcodec_fw * fw,u32 dtcm_dmem_addr)22 static void *mtk_vcodec_vpu_map_dm_addr(struct mtk_vcodec_fw *fw,
23 u32 dtcm_dmem_addr)
24 {
25 return vpu_mapping_dm_addr(fw->pdev, dtcm_dmem_addr);
26 }
27
mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw * fw,int id,mtk_vcodec_ipi_handler handler,const char * name,void * priv)28 static int mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
29 mtk_vcodec_ipi_handler handler,
30 const char *name, void *priv)
31 {
32 /*
33 * The handler we receive takes a void * as its first argument. We
34 * cannot change this because it needs to be passed down to the rproc
35 * subsystem when SCP is used. VPU takes a const argument, which is
36 * more constrained, so the conversion below is safe.
37 */
38 ipi_handler_t handler_const = (ipi_handler_t)handler;
39
40 return vpu_ipi_register(fw->pdev, id, handler_const, name, priv);
41 }
42
mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw * fw,int id,void * buf,unsigned int len,unsigned int wait)43 static int mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
44 unsigned int len, unsigned int wait)
45 {
46 return vpu_ipi_send(fw->pdev, id, buf, len);
47 }
48
mtk_vcodec_vpu_release(struct mtk_vcodec_fw * fw)49 static void mtk_vcodec_vpu_release(struct mtk_vcodec_fw *fw)
50 {
51 put_device(&fw->pdev->dev);
52 }
53
mtk_vcodec_vpu_reset_dec_handler(void * priv)54 static void mtk_vcodec_vpu_reset_dec_handler(void *priv)
55 {
56 struct mtk_vcodec_dec_dev *dev = priv;
57 struct mtk_vcodec_dec_ctx *ctx;
58
59 dev_err(&dev->plat_dev->dev, "Watchdog timeout!!");
60
61 mutex_lock(&dev->dev_mutex);
62 list_for_each_entry(ctx, &dev->ctx_list, list) {
63 ctx->state = MTK_STATE_ABORT;
64 mtk_v4l2_vdec_dbg(0, ctx, "[%d] Change to state MTK_STATE_ABORT", ctx->id);
65 }
66 mutex_unlock(&dev->dev_mutex);
67 }
68
mtk_vcodec_vpu_reset_enc_handler(void * priv)69 static void mtk_vcodec_vpu_reset_enc_handler(void *priv)
70 {
71 struct mtk_vcodec_enc_dev *dev = priv;
72 struct mtk_vcodec_enc_ctx *ctx;
73
74 dev_err(&dev->plat_dev->dev, "Watchdog timeout!!");
75
76 mutex_lock(&dev->dev_mutex);
77 list_for_each_entry(ctx, &dev->ctx_list, list) {
78 ctx->state = MTK_STATE_ABORT;
79 mtk_v4l2_vdec_dbg(0, ctx, "[%d] Change to state MTK_STATE_ABORT", ctx->id);
80 }
81 mutex_unlock(&dev->dev_mutex);
82 }
83
84 static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = {
85 .load_firmware = mtk_vcodec_vpu_load_firmware,
86 .get_vdec_capa = mtk_vcodec_vpu_get_vdec_capa,
87 .get_venc_capa = mtk_vcodec_vpu_get_venc_capa,
88 .map_dm_addr = mtk_vcodec_vpu_map_dm_addr,
89 .ipi_register = mtk_vcodec_vpu_set_ipi_register,
90 .ipi_send = mtk_vcodec_vpu_ipi_send,
91 .release = mtk_vcodec_vpu_release,
92 };
93
mtk_vcodec_fw_vpu_init(void * priv,enum mtk_vcodec_fw_use fw_use)94 struct mtk_vcodec_fw *mtk_vcodec_fw_vpu_init(void *priv, enum mtk_vcodec_fw_use fw_use)
95 {
96 struct platform_device *fw_pdev;
97 struct platform_device *plat_dev;
98 struct mtk_vcodec_fw *fw;
99 enum rst_id rst_id;
100
101 if (fw_use == ENCODER) {
102 struct mtk_vcodec_enc_dev *enc_dev = priv;
103
104 plat_dev = enc_dev->plat_dev;
105 rst_id = VPU_RST_ENC;
106 } else if (fw_use == DECODER) {
107 struct mtk_vcodec_dec_dev *dec_dev = priv;
108
109 plat_dev = dec_dev->plat_dev;
110 rst_id = VPU_RST_DEC;
111 } else {
112 pr_err("Invalid fw_use %d (use a resonable fw id here)\n", fw_use);
113 return ERR_PTR(-EINVAL);
114 }
115
116 fw_pdev = vpu_get_plat_device(plat_dev);
117 if (!fw_pdev) {
118 dev_err(&plat_dev->dev, "firmware device is not ready");
119 return ERR_PTR(-EINVAL);
120 }
121
122 if (fw_use == DECODER)
123 vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_vpu_reset_dec_handler, priv, rst_id);
124 else
125 vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_vpu_reset_enc_handler, priv, rst_id);
126
127 fw = devm_kzalloc(&plat_dev->dev, sizeof(*fw), GFP_KERNEL);
128 if (!fw)
129 return ERR_PTR(-ENOMEM);
130 fw->type = VPU;
131 fw->ops = &mtk_vcodec_vpu_msg;
132 fw->pdev = fw_pdev;
133 fw->fw_use = fw_use;
134
135 return fw;
136 }
137
