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Date: Tue, 4 Jan 2022 17:17:11 +0800
From: Moudy Ho <moudy.ho@...iatek.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Jernej Skrabec <jernej.skrabec@...l.net>
CC: Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Rob Landley <rob@...dley.net>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
<linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Alexandre Courbot <acourbot@...omium.org>,
<tfiga@...omium.org>, <drinkcat@...omium.org>,
<pihsun@...omium.org>, <hsinyi@...gle.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Maoguang Meng <maoguang.meng@...iatek.com>,
daoyuan huang <daoyuan.huang@...iatek.com>,
Ping-Hsun Wu <ping-hsun.wu@...iatek.com>,
<menghui.lin@...iatek.com>, <sj.huang@...iatek.com>,
<allen-kh.cheng@...iatek.com>, <randy.wu@...iatek.com>,
<moudy.ho@...iatek.com>, <jason-jh.lin@...iatek.com>,
<roy-cw.yeh@...iatek.com>, <river.cheng@...iatek.com>,
<srv_heupstream@...iatek.com>
Subject: [PATCH v11 3/4] soc: mediatek: mutex: add support for MDP
For the purpose of module independence, related settings should be moved
from MDP to the corresponding driver.
This patch adds more 8183 MDP settings and interface.
Signed-off-by: Moudy Ho <moudy.ho@...iatek.com>
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
drivers/soc/mediatek/mtk-mutex.c | 68 ++++++++++++++++++++++++++
include/linux/soc/mediatek/mtk-mutex.h | 3 ++
2 files changed, 71 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
index 2ca55bb5a8be..64a4f79e432e 100644
--- a/drivers/soc/mediatek/mtk-mutex.c
+++ b/drivers/soc/mediatek/mtk-mutex.c
@@ -119,6 +119,18 @@
#define MT8183_MUTEX_EOF_DSI0 (MT8183_MUTEX_SOF_DSI0 << 6)
#define MT8183_MUTEX_EOF_DPI0 (MT8183_MUTEX_SOF_DPI0 << 6)
+#define MT8183_MUTEX_MDP_START 5
+#define MT8183_MUTEX_MDP_MOD_MASK 0x07FFFFFF
+#define MT8183_MUTEX_MDP_SOF_MASK 0x00000007
+#define MT8183_MUTEX_MOD_MDP_RDMA0 BIT(2)
+#define MT8183_MUTEX_MOD_MDP_RSZ0 BIT(4)
+#define MT8183_MUTEX_MOD_MDP_RSZ1 BIT(5)
+#define MT8183_MUTEX_MOD_MDP_TDSHP0 BIT(6)
+#define MT8183_MUTEX_MOD_MDP_WROT0 BIT(7)
+#define MT8183_MUTEX_MOD_MDP_WDMA BIT(8)
+#define MT8183_MUTEX_MOD_MDP_AAL0 BIT(23)
+#define MT8183_MUTEX_MOD_MDP_CCORR0 BIT(24)
+
struct mtk_mutex {
int id;
bool claimed;
@@ -139,6 +151,10 @@ struct mtk_mutex_data {
const unsigned int *mutex_sof;
const unsigned int mutex_mod_reg;
const unsigned int mutex_sof_reg;
+ const unsigned int *mutex_mdp_offset;
+ const unsigned int *mutex_mdp_mod;
+ const unsigned int mutex_mdp_mod_mask;
+ const unsigned int mutex_mdp_sof_mask;
const bool no_clk;
};
@@ -226,6 +242,17 @@ static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
};
+static const unsigned int mt8183_mutex_mdp_mod[MDP_MAX_COMP_COUNT] = {
+ [MDP_COMP_RDMA0] = MT8183_MUTEX_MOD_MDP_RDMA0,
+ [MDP_COMP_RSZ0] = MT8183_MUTEX_MOD_MDP_RSZ0,
+ [MDP_COMP_RSZ1] = MT8183_MUTEX_MOD_MDP_RSZ1,
+ [MDP_COMP_TDSHP0] = MT8183_MUTEX_MOD_MDP_TDSHP0,
+ [MDP_COMP_WROT0] = MT8183_MUTEX_MOD_MDP_WROT0,
+ [MDP_COMP_WDMA] = MT8183_MUTEX_MOD_MDP_WDMA,
+ [MDP_COMP_AAL0] = MT8183_MUTEX_MOD_MDP_AAL0,
+ [MDP_COMP_CCORR0] = MT8183_MUTEX_MOD_MDP_CCORR0,
+};
+
static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_AAL0] = MT8192_MUTEX_MOD_DISP_AAL0,
[DDP_COMPONENT_CCORR] = MT8192_MUTEX_MOD_DISP_CCORR0,
@@ -264,6 +291,14 @@ static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
[MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
};
+/* indicate which mutex is used by each pipepline */
+static const unsigned int mt8183_mutex_mdp_offset[MDP_PIPE_MAX] = {
+ [MDP_PIPE_IMGI] = MT8183_MUTEX_MDP_START,
+ [MDP_PIPE_RDMA0] = MT8183_MUTEX_MDP_START + 1,
+ [MDP_PIPE_WPEI] = MT8183_MUTEX_MDP_START + 2,
+ [MDP_PIPE_WPEI2] = MT8183_MUTEX_MDP_START + 3
+};
+
static const struct mtk_mutex_data mt2701_mutex_driver_data = {
.mutex_mod = mt2701_mutex_mod,
.mutex_sof = mt2712_mutex_sof,
@@ -298,6 +333,10 @@ static const struct mtk_mutex_data mt8183_mutex_driver_data = {
.mutex_sof = mt8183_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
+ .mutex_mdp_offset = mt8183_mutex_mdp_offset,
+ .mutex_mdp_mod = mt8183_mutex_mdp_mod,
+ .mutex_mdp_mod_mask = MT8183_MUTEX_MDP_MOD_MASK,
+ .mutex_mdp_sof_mask = MT8183_MUTEX_MDP_SOF_MASK,
.no_clk = true,
};
@@ -323,6 +362,21 @@ struct mtk_mutex *mtk_mutex_get(struct device *dev)
}
EXPORT_SYMBOL_GPL(mtk_mutex_get);
+struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev,
+ enum mtk_mdp_pipe_id id)
+{
+ struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
+ int i = mtx->data->mutex_mdp_offset[id];
+
+ if (!mtx->mutex[i].claimed) {
+ mtx->mutex[i].claimed = true;
+ return &mtx->mutex[i];
+ }
+
+ return ERR_PTR(-EBUSY);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_mdp_get);
+
void mtk_mutex_put(struct mtk_mutex *mutex)
{
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
@@ -442,6 +496,20 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
}
EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp);
+u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum mtk_mdp_comp_id id)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ if (mtx->data->mutex_mdp_mod)
+ return mtx->data->mutex_mdp_mod[id];
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_get_mdp_mod);
+
void mtk_mutex_enable(struct mtk_mutex *mutex)
{
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h
index 6fe4ffbde290..b2608f4220ee 100644
--- a/include/linux/soc/mediatek/mtk-mutex.h
+++ b/include/linux/soc/mediatek/mtk-mutex.h
@@ -11,9 +11,12 @@ struct device;
struct mtk_mutex;
struct mtk_mutex *mtk_mutex_get(struct device *dev);
+struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev,
+ enum mtk_mdp_pipe_id id);
int mtk_mutex_prepare(struct mtk_mutex *mutex);
void mtk_mutex_add_comp(struct mtk_mutex *mutex,
enum mtk_ddp_comp_id id);
+u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum mtk_mdp_comp_id id);
void mtk_mutex_enable(struct mtk_mutex *mutex);
void mtk_mutex_disable(struct mtk_mutex *mutex);
void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
--
2.18.0
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