Considering that some functions have timing requirements
in specific situation, this patch adds several interface that
operate registers by CMDQ.
Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-mutex.c | 63 +++++++++++++++++++++++++-
include/linux/soc/mediatek/mtk-mutex.h | 6 +++
2 files changed, 68 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
index adab4c9edc16..874d4c60b844 100644
--- a/drivers/soc/mediatek/mtk-mutex.c
+++ b/drivers/soc/mediatek/mtk-mutex.c
@@ -7,10 +7,12 @@
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/soc/mediatek/mtk-mmsys.h>
#include <linux/soc/mediatek/mtk-mutex.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
#define MT2701_MUTEX0_MOD0 0x2c
#define MT2701_MUTEX0_SOF0 0x30
@@ -143,6 +145,8 @@ struct mtk_mutex_ctx {
void __iomem *regs;
struct mtk_mutex mutex[10];
const struct mtk_mutex_data *data;
+ phys_addr_t addr;
+ u8 subsys_id;
};
static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
@@ -442,6 +446,25 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
}
EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp);
+void mtk_mutex_add_mod_by_cmdq(struct mtk_mutex *mutex, u32 mod,
+ struct mmsys_cmdq_cmd *cmd)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ unsigned int offset;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex->id);
+ cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, mtx->addr + offset,
+ mod, mtx->data->mutex_mdp_mod_mask);
+
+ offset = DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id);
+ cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, mtx->addr + offset,
+ 0, mtx->data->mutex_mdp_sof_mask);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_add_mod_by_cmdq);
+
void mtk_mutex_enable(struct mtk_mutex *mutex)
{
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
@@ -453,6 +476,20 @@ void mtk_mutex_enable(struct mtk_mutex *mutex)
}
EXPORT_SYMBOL_GPL(mtk_mutex_enable);
+void mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex,
+ struct mmsys_cmdq_cmd *cmd)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id,
+ mtx->addr + DISP_REG_MUTEX_EN(mutex->id),
+ 0x1, 0x00000001);
(don't use this definition name if not appropriate)
#define MTK_MUTEX_ENABLE BIT(0)
cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id,
mtx->addr + DISP_REG_MUTEX_EN(mutex->id),
MTK_MUTEX_ENABLE, MTK_MUTEX_ENABLE);
...or anyway remove leading zeros.
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_enable_by_cmdq);
+
void mtk_mutex_disable(struct mtk_mutex *mutex)
{
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
@@ -464,6 +501,20 @@ void mtk_mutex_disable(struct mtk_mutex *mutex)
}
EXPORT_SYMBOL_GPL(mtk_mutex_disable);
+void mtk_mutex_disable_by_cmdq(struct mtk_mutex *mutex,
+ struct mmsys_cmdq_cmd *cmd)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id,
+ mtx->addr + DISP_REG_MUTEX_EN(mutex->id),
+ 0x0, 0x00000001);
cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id,
mtx->addr + DISP_REG_MUTEX_EN(mutex->id),
0, MTK_MUTEX_ENABLE);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_disable_by_cmdq);
+
Regards,
- Angelo
