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authorYunfei Dong <yunfei.dong@mediatek.com>2020-08-21 12:35:54 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-09-26 09:54:44 +0200
commitc7244811b1c951dca812079d16b17cb241882a80 (patch)
treee242d3b5f759b3c7a94a741c18bad02d00f84637 /drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
parent97b022a8281cdc290c5ff0d6cd4c0f29ff9fc9ad (diff)
media: mtk-vcodec: add SCP firmware ops
Add support for communicating with the SCP firmware, which will be used by MT8183. [acourbot: refactor, cleanup and split] [hverkuil: fixed some checkpatch alignment warnings] Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com> Co-developed-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Acked-by: Tiffany Lin <tiffany.lin@mediatek.com> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c')
-rw-r--r--drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
index c305718ef4af..6c2a2568d844 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
@@ -19,6 +19,7 @@ struct mtk_vcodec_fw {
enum mtk_vcodec_fw_type type;
const struct mtk_vcodec_fw_ops *ops;
struct platform_device *pdev;
+ struct mtk_scp *scp;
};
static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw)
@@ -72,6 +73,49 @@ static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = {
.ipi_send = mtk_vcodec_vpu_ipi_send,
};
+static int mtk_vcodec_scp_load_firmware(struct mtk_vcodec_fw *fw)
+{
+ return rproc_boot(scp_get_rproc(fw->scp));
+}
+
+static unsigned int mtk_vcodec_scp_get_vdec_capa(struct mtk_vcodec_fw *fw)
+{
+ return scp_get_vdec_hw_capa(fw->scp);
+}
+
+static unsigned int mtk_vcodec_scp_get_venc_capa(struct mtk_vcodec_fw *fw)
+{
+ return scp_get_venc_hw_capa(fw->scp);
+}
+
+static void *mtk_vcodec_vpu_scp_dm_addr(struct mtk_vcodec_fw *fw,
+ u32 dtcm_dmem_addr)
+{
+ return scp_mapping_dm_addr(fw->scp, dtcm_dmem_addr);
+}
+
+static int mtk_vcodec_scp_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
+ mtk_vcodec_ipi_handler handler,
+ const char *name, void *priv)
+{
+ return scp_ipi_register(fw->scp, id, handler, priv);
+}
+
+static int mtk_vcodec_scp_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
+ unsigned int len, unsigned int wait)
+{
+ return scp_ipi_send(fw->scp, id, buf, len, wait);
+}
+
+static const struct mtk_vcodec_fw_ops mtk_vcodec_rproc_msg = {
+ .load_firmware = mtk_vcodec_scp_load_firmware,
+ .get_vdec_capa = mtk_vcodec_scp_get_vdec_capa,
+ .get_venc_capa = mtk_vcodec_scp_get_venc_capa,
+ .map_dm_addr = mtk_vcodec_vpu_scp_dm_addr,
+ .ipi_register = mtk_vcodec_scp_set_ipi_register,
+ .ipi_send = mtk_vcodec_scp_ipi_send,
+};
+
static void mtk_vcodec_reset_handler(void *priv)
{
struct mtk_vcodec_dev *dev = priv;
@@ -95,6 +139,7 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
const struct mtk_vcodec_fw_ops *ops;
struct mtk_vcodec_fw *fw;
struct platform_device *fw_pdev = NULL;
+ struct mtk_scp *scp = NULL;
switch (type) {
case VPU:
@@ -107,6 +152,14 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_reset_handler,
dev, rst_id);
break;
+ case SCP:
+ ops = &mtk_vcodec_rproc_msg;
+ scp = scp_get(dev->plat_dev);
+ if (!scp) {
+ mtk_v4l2_err("could not get vdec scp handle");
+ return ERR_PTR(-EPROBE_DEFER);
+ }
+ break;
default:
mtk_v4l2_err("invalid vcodec fw type");
return ERR_PTR(-EINVAL);
@@ -119,6 +172,7 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
fw->type = type;
fw->ops = ops;
fw->pdev = fw_pdev;
+ fw->scp = scp;
return fw;
}
@@ -130,6 +184,9 @@ void mtk_vcodec_fw_release(struct mtk_vcodec_fw *fw)
case VPU:
put_device(&fw->pdev->dev);
break;
+ case SCP:
+ scp_put(fw->scp);
+ break;
}
}
EXPORT_SYMBOL_GPL(mtk_vcodec_fw_release);

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