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Date: Fri, 22 Apr 2022 14:29:50 +0200
From: Matthias Brugger <matthias.bgg@...il.com>
To: "jason-jh.lin" <jason-jh.lin@...iatek.com>,
Chun-Kuang Hu <chunkuang.hu@...nel.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
Cc: CK Hu <ck.hu@...iatek.com>, Nancy Lin <nancy.lin@...iatek.com>,
Singo Chang <singo.chang@...iatek.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org,
linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v20 2/8] soc: mediatek: add mtk-mutex support for mt8195
vdosys0
On 19/04/2022 11:41, jason-jh.lin wrote:
> Add mtk-mutex support for mt8195 vdosys0.
>
> Signed-off-by: jason-jh.lin <jason-jh.lin@...iatek.com>
> Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Tested-by: Fei Shao <fshao@...omium.org>
Applied thanks!
Matthias
> ---
> drivers/soc/mediatek/mtk-mutex.c | 87 ++++++++++++++++++++++++++++++--
> 1 file changed, 84 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
> index aaf8fc1abb43..729ee88035ed 100644
> --- a/drivers/soc/mediatek/mtk-mutex.c
> +++ b/drivers/soc/mediatek/mtk-mutex.c
> @@ -17,6 +17,9 @@
> #define MT8183_MUTEX0_MOD0 0x30
> #define MT8183_MUTEX0_SOF0 0x2c
>
> +#define MT8195_DISP_MUTEX0_MOD0 0x30
> +#define MT8195_DISP_MUTEX0_SOF 0x2c
> +
> #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
> #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
> #define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n))
> @@ -96,6 +99,20 @@
> #define MT8173_MUTEX_MOD_DISP_PWM1 24
> #define MT8173_MUTEX_MOD_DISP_OD 25
>
> +#define MT8195_MUTEX_MOD_DISP_OVL0 0
> +#define MT8195_MUTEX_MOD_DISP_WDMA0 1
> +#define MT8195_MUTEX_MOD_DISP_RDMA0 2
> +#define MT8195_MUTEX_MOD_DISP_COLOR0 3
> +#define MT8195_MUTEX_MOD_DISP_CCORR0 4
> +#define MT8195_MUTEX_MOD_DISP_AAL0 5
> +#define MT8195_MUTEX_MOD_DISP_GAMMA0 6
> +#define MT8195_MUTEX_MOD_DISP_DITHER0 7
> +#define MT8195_MUTEX_MOD_DISP_DSI0 8
> +#define MT8195_MUTEX_MOD_DISP_DSC_WRAP0_CORE0 9
> +#define MT8195_MUTEX_MOD_DISP_VPP_MERGE 20
> +#define MT8195_MUTEX_MOD_DISP_DP_INTF0 21
> +#define MT8195_MUTEX_MOD_DISP_PWM0 27
> +
> #define MT2712_MUTEX_MOD_DISP_PWM2 10
> #define MT2712_MUTEX_MOD_DISP_OVL0 11
> #define MT2712_MUTEX_MOD_DISP_OVL1 12
> @@ -132,9 +149,21 @@
> #define MT8167_MUTEX_SOF_DPI1 3
> #define MT8183_MUTEX_SOF_DSI0 1
> #define MT8183_MUTEX_SOF_DPI0 2
> +#define MT8195_MUTEX_SOF_DSI0 1
> +#define MT8195_MUTEX_SOF_DSI1 2
> +#define MT8195_MUTEX_SOF_DP_INTF0 3
> +#define MT8195_MUTEX_SOF_DP_INTF1 4
> +#define MT8195_MUTEX_SOF_DPI0 6 /* for HDMI_TX */
> +#define MT8195_MUTEX_SOF_DPI1 5 /* for digital video out */
>
> #define MT8183_MUTEX_EOF_DSI0 (MT8183_MUTEX_SOF_DSI0 << 6)
> #define MT8183_MUTEX_EOF_DPI0 (MT8183_MUTEX_SOF_DPI0 << 6)
> +#define MT8195_MUTEX_EOF_DSI0 (MT8195_MUTEX_SOF_DSI0 << 7)
> +#define MT8195_MUTEX_EOF_DSI1 (MT8195_MUTEX_SOF_DSI1 << 7)
> +#define MT8195_MUTEX_EOF_DP_INTF0 (MT8195_MUTEX_SOF_DP_INTF0 << 7)
> +#define MT8195_MUTEX_EOF_DP_INTF1 (MT8195_MUTEX_SOF_DP_INTF1 << 7)
> +#define MT8195_MUTEX_EOF_DPI0 (MT8195_MUTEX_SOF_DPI0 << 7)
> +#define MT8195_MUTEX_EOF_DPI1 (MT8195_MUTEX_SOF_DPI1 << 7)
>
> struct mtk_mutex {
> int id;
> @@ -149,6 +178,9 @@ enum mtk_mutex_sof_id {
> MUTEX_SOF_DPI1,
> MUTEX_SOF_DSI2,
> MUTEX_SOF_DSI3,
> + MUTEX_SOF_DP_INTF0,
> + MUTEX_SOF_DP_INTF1,
> + DDP_MUTEX_SOF_MAX,
> };
>
> struct mtk_mutex_data {
> @@ -270,7 +302,23 @@ static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> [DDP_COMPONENT_RDMA4] = MT8192_MUTEX_MOD_DISP_RDMA4,
> };
>
> -static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +static const unsigned int mt8195_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> + [DDP_COMPONENT_OVL0] = MT8195_MUTEX_MOD_DISP_OVL0,
> + [DDP_COMPONENT_WDMA0] = MT8195_MUTEX_MOD_DISP_WDMA0,
> + [DDP_COMPONENT_RDMA0] = MT8195_MUTEX_MOD_DISP_RDMA0,
> + [DDP_COMPONENT_COLOR0] = MT8195_MUTEX_MOD_DISP_COLOR0,
> + [DDP_COMPONENT_CCORR] = MT8195_MUTEX_MOD_DISP_CCORR0,
> + [DDP_COMPONENT_AAL0] = MT8195_MUTEX_MOD_DISP_AAL0,
> + [DDP_COMPONENT_GAMMA] = MT8195_MUTEX_MOD_DISP_GAMMA0,
> + [DDP_COMPONENT_DITHER] = MT8195_MUTEX_MOD_DISP_DITHER0,
> + [DDP_COMPONENT_MERGE0] = MT8195_MUTEX_MOD_DISP_VPP_MERGE,
> + [DDP_COMPONENT_DSC0] = MT8195_MUTEX_MOD_DISP_DSC_WRAP0_CORE0,
> + [DDP_COMPONENT_DSI0] = MT8195_MUTEX_MOD_DISP_DSI0,
> + [DDP_COMPONENT_PWM0] = MT8195_MUTEX_MOD_DISP_PWM0,
> + [DDP_COMPONENT_DP_INTF0] = MT8195_MUTEX_MOD_DISP_DP_INTF0,
> +};
> +
> +static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_MAX] = {
> [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
> [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1,
> @@ -280,7 +328,7 @@ static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
> };
>
> -static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_MAX] = {
> [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
> [MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0,
> @@ -288,7 +336,7 @@ static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> };
>
> /* Add EOF setting so overlay hardware can receive frame done irq */
> -static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +static const unsigned int mt8183_mutex_sof[DDP_MUTEX_SOF_MAX] = {
> [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
> [MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
> @@ -300,6 +348,26 @@ static const unsigned int mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> [MUTEX_SOF_DPI0] = MT8186_MUTEX_SOF_DPI0 | MT8186_MUTEX_EOF_DPI0,
> };
>
> +/*
> + * To support refresh mode(video mode), DISP_REG_MUTEX_SOF should
> + * select the EOF source and configure the EOF plus timing from the
> + * module that provides the timing signal.
> + * So that MUTEX can not only send a STREAM_DONE event to GCE
> + * but also detect the error at end of frame(EAEOF) when EOF signal
> + * arrives.
> + */
> +static const unsigned int mt8195_mutex_sof[DDP_MUTEX_SOF_MAX] = {
> + [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> + [MUTEX_SOF_DSI0] = MT8195_MUTEX_SOF_DSI0 | MT8195_MUTEX_EOF_DSI0,
> + [MUTEX_SOF_DSI1] = MT8195_MUTEX_SOF_DSI1 | MT8195_MUTEX_EOF_DSI1,
> + [MUTEX_SOF_DPI0] = MT8195_MUTEX_SOF_DPI0 | MT8195_MUTEX_EOF_DPI0,
> + [MUTEX_SOF_DPI1] = MT8195_MUTEX_SOF_DPI1 | MT8195_MUTEX_EOF_DPI1,
> + [MUTEX_SOF_DP_INTF0] =
> + MT8195_MUTEX_SOF_DP_INTF0 | MT8195_MUTEX_EOF_DP_INTF0,
> + [MUTEX_SOF_DP_INTF1] =
> + MT8195_MUTEX_SOF_DP_INTF1 | MT8195_MUTEX_EOF_DP_INTF1,
> +};
> +
> static const struct mtk_mutex_data mt2701_mutex_driver_data = {
> .mutex_mod = mt2701_mutex_mod,
> .mutex_sof = mt2712_mutex_sof,
> @@ -351,6 +419,13 @@ static const struct mtk_mutex_data mt8192_mutex_driver_data = {
> .mutex_sof_reg = MT8183_MUTEX0_SOF0,
> };
>
> +static const struct mtk_mutex_data mt8195_mutex_driver_data = {
> + .mutex_mod = mt8195_mutex_mod,
> + .mutex_sof = mt8195_mutex_sof,
> + .mutex_mod_reg = MT8195_DISP_MUTEX0_MOD0,
> + .mutex_sof_reg = MT8195_DISP_MUTEX0_SOF,
> +};
> +
> struct mtk_mutex *mtk_mutex_get(struct device *dev)
> {
> struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
> @@ -423,6 +498,9 @@ void mtk_mutex_add_comp(struct mtk_mutex *mutex,
> case DDP_COMPONENT_DPI1:
> sof_id = MUTEX_SOF_DPI1;
> break;
> + case DDP_COMPONENT_DP_INTF0:
> + sof_id = MUTEX_SOF_DP_INTF0;
> + break;
> default:
> if (mtx->data->mutex_mod[id] < 32) {
> offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
> @@ -462,6 +540,7 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
> case DDP_COMPONENT_DSI3:
> case DDP_COMPONENT_DPI0:
> case DDP_COMPONENT_DPI1:
> + case DDP_COMPONENT_DP_INTF0:
> writel_relaxed(MUTEX_SOF_SINGLE_MODE,
> mtx->regs +
> DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg,
> @@ -587,6 +666,8 @@ static const struct of_device_id mutex_driver_dt_match[] = {
> .data = &mt8186_mutex_driver_data},
> { .compatible = "mediatek,mt8192-disp-mutex",
> .data = &mt8192_mutex_driver_data},
> + { .compatible = "mediatek,mt8195-disp-mutex",
> + .data = &mt8195_mutex_driver_data},
> {},
> };
> MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);
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