[PATCH 05/10] media: mtk-vcodec: venc: specify bitrate range per-chip

Alexandre Courbot
2020-05-20T08:28:07Z

Different chips have different supported bitrate ranges. Move the min
and max supported bitrates to the platform data.

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
---
drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 4 ++++
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 3 ++-
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 2 ++
3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index e7b155e7432e..b8f913de8d80 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -311,12 +311,16 @@ enum mtk_chip {
*
* @uses_ext: whether the encoder uses the extended firmware messaging format
* @has_lt_irq: whether the encoder uses the LT irq
+ * @min_birate: minimum supported encoding bitrate
+ * @max_bitrate: maximum supported encoding bitrate
*/
struct mtk_vcodec_enc_pdata {
enum mtk_chip chip;

bool uses_ext;
bool has_lt_irq;
+ unsigned long min_bitrate;
+ unsigned long max_bitrate;
};

/**
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index d469ff6464b2..50ba9da59153 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -1232,7 +1232,8 @@ int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);

v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
- 1, 4000000, 1, 4000000);
+ ctx->dev->venc_pdata->min_bitrate,
+ ctx->dev->venc_pdata->max_bitrate, 1, 4000000);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
0, 2, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
index c1365209263e..221fa0303075 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -380,6 +380,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
static const struct mtk_vcodec_enc_pdata mt8173_pdata = {
.chip = MTK_MT8173,
.has_lt_irq = true,
+ .min_bitrate = 1,
+ .max_bitrate = 4000000,
};

static const struct of_device_id mtk_vcodec_enc_match[] = {
--
2.26.2.761.g0e0b3e54be-goog