In order to allow multiple modules to operate MUTEX hardware through
a common interfrace, a flexible index "mtk_mutex_table_index" needs to
be added to replace original component ID so that like DDP and MDP
can add their own MUTEX table settings independently.
In addition, 4 generic interface "mtk_mutex_set_mod", "mtk_mutex_set_sof",
"mtk_mutex_clear_mod" and "mtk_mutex_clear_sof" have been added, which is
expected to replace the "mtk_mutex_add_comp" and "mtk_mutex_remove_comp"
pair originally dedicated to DDP in the future.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/soc/mediatek/mtk-mutex.c | 88 ++++++++++++++++++++++++++
include/linux/soc/mediatek/mtk-mutex.h | 22 +++++++
2 files changed, 110 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
index aaf8fc1abb43..a62ac1811419 100644
--- a/drivers/soc/mediatek/mtk-mutex.c
+++ b/drivers/soc/mediatek/mtk-mutex.c
@@ -156,6 +156,8 @@ 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_table_mod;
+ const unsigned int *mutex_table_sof;
const bool no_clk;
};
@@ -530,6 +532,92 @@ void mtk_mutex_release(struct mtk_mutex *mutex)
}
EXPORT_SYMBOL_GPL(mtk_mutex_release);
+static int mtk_mutex_write_mod(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx, bool clear)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ unsigned int reg;
+ unsigned int offset;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ if (idx < MUTEX_TABLE_IDX_MDP_RDMA0 ||
+ idx >= MUTEX_TABLE_IDX_MAX) {
+ dev_err(mtx->dev, "Not supported MOD table index : %d", idx);
+ return -EINVAL;
+ }
+
+ offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
+ mutex->id);
+ reg = readl_relaxed(mtx->regs + offset);
+
+ if (clear)
+ reg &= ~BIT(mtx->data->mutex_table_mod[idx]);
+ else
+ reg |= BIT(mtx->data->mutex_table_mod[idx]);
+
+ writel_relaxed(reg, mtx->regs + offset);
+
+ return 0;
+}
+
+int mtk_mutex_set_mod(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx)
+{
+ return mtk_mutex_write_mod(mutex, idx, false);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_set_mod);
+
+int mtk_mutex_clear_mod(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx)
+{
+ return mtk_mutex_write_mod(mutex, idx, true);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_clear_mod);
+
+int mtk_mutex_write_sof(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx, bool clear)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ unsigned int sof_id, val;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ if (idx < MUTEX_TABLE_IDX_MDP_RDMA0 ||
+ idx >= MUTEX_TABLE_IDX_MAX) {
+ dev_err(mtx->dev, "Not supported SOF table index : %d", idx);
+ return -EINVAL;
+ }
+
+ sof_id = mtx->data->mutex_table_sof[idx];
+
+ if (clear)
+ val = MUTEX_SOF_SINGLE_MODE;
+ else
+ val = mtx->data->mutex_sof[sof_id];
+
+ writel_relaxed(val, mtx->regs +
+ DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id));
+
+ return 0;
+}
+
+int mtk_mutex_set_sof(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx)
+{
+ return mtk_mutex_write_sof(mutex, idx, false);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_set_sof);
+
+int mtk_mutex_clear_sof(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx)
+{
+ return mtk_mutex_write_sof(mutex, idx, true);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_clear_sof);
+
static int mtk_mutex_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h
index 6fe4ffbde290..f174452212d6 100644
--- a/include/linux/soc/mediatek/mtk-mutex.h
+++ b/include/linux/soc/mediatek/mtk-mutex.h
@@ -10,6 +10,20 @@ struct regmap;
struct device;
struct mtk_mutex;
+enum mtk_mutex_table_index {
+ /* MDP table index */
+ MUTEX_TABLE_IDX_MDP_RDMA0,
+ MUTEX_TABLE_IDX_MDP_RSZ0,
+ MUTEX_TABLE_IDX_MDP_RSZ1,
+ MUTEX_TABLE_IDX_MDP_TDSHP0,
+ MUTEX_TABLE_IDX_MDP_WROT0,
+ MUTEX_TABLE_IDX_MDP_WDMA,
+ MUTEX_TABLE_IDX_MDP_AAL0,
+ MUTEX_TABLE_IDX_MDP_CCORR0,
+
+ MUTEX_TABLE_IDX_MAX /* ALWAYS keep at the end */
+};
+
struct mtk_mutex *mtk_mutex_get(struct device *dev);
int mtk_mutex_prepare(struct mtk_mutex *mutex);
void mtk_mutex_add_comp(struct mtk_mutex *mutex,
@@ -22,5 +36,13 @@ void mtk_mutex_unprepare(struct mtk_mutex *mutex);
void mtk_mutex_put(struct mtk_mutex *mutex);
void mtk_mutex_acquire(struct mtk_mutex *mutex);
void mtk_mutex_release(struct mtk_mutex *mutex);
+int mtk_mutex_set_mod(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx);
+int mtk_mutex_clear_mod(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx);
+int mtk_mutex_set_sof(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx);
+int mtk_mutex_clear_sof(struct mtk_mutex *mutex,
+ enum mtk_mutex_table_index idx);
#endif /* MTK_MUTEX_H */
--
2.18.0
Hi, Moudy: On Thu, 2022-05-12 at 16:41 +0800, Moudy Ho wrote: > In order to allow multiple modules to operate MUTEX hardware through > a common interfrace, a flexible index "mtk_mutex_table_index" needs > to > be added to replace original component ID so that like DDP and MDP > can add their own MUTEX table settings independently. > > In addition, 4 generic interface "mtk_mutex_set_mod", > "mtk_mutex_set_sof", > "mtk_mutex_clear_mod" and "mtk_mutex_clear_sof" have been added, > which is > expected to replace the "mtk_mutex_add_comp" and > "mtk_mutex_remove_comp" > pair originally dedicated to DDP in the future. > > Signed-off-by: Moudy Ho <moudy.ho@mediatek.com> > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > --- > drivers/soc/mediatek/mtk-mutex.c | 88 > ++++++++++++++++++++++++++ > include/linux/soc/mediatek/mtk-mutex.h | 22 +++++++ > 2 files changed, 110 insertions(+) > > diff --git a/drivers/soc/mediatek/mtk-mutex.c > b/drivers/soc/mediatek/mtk-mutex.c > index aaf8fc1abb43..a62ac1811419 100644 > --- a/drivers/soc/mediatek/mtk-mutex.c > +++ b/drivers/soc/mediatek/mtk-mutex.c > @@ -156,6 +156,8 @@ 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_table_mod; > + const unsigned int *mutex_table_sof; > const bool no_clk; > }; > > @@ -530,6 +532,92 @@ void mtk_mutex_release(struct mtk_mutex *mutex) > } > EXPORT_SYMBOL_GPL(mtk_mutex_release); > > +static int mtk_mutex_write_mod(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx, bool > clear) > +{ > + struct mtk_mutex_ctx *mtx = container_of(mutex, struct > mtk_mutex_ctx, > + mutex[mutex->id]); > + unsigned int reg; > + unsigned int offset; > + > + WARN_ON(&mtx->mutex[mutex->id] != mutex); > + > + if (idx < MUTEX_TABLE_IDX_MDP_RDMA0 || > + idx >= MUTEX_TABLE_IDX_MAX) { > + dev_err(mtx->dev, "Not supported MOD table index : %d", > idx); > + return -EINVAL; > + } > + > + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, > + mutex->id); > + reg = readl_relaxed(mtx->regs + offset); > + > + if (clear) > + reg &= ~BIT(mtx->data->mutex_table_mod[idx]); > + else > + reg |= BIT(mtx->data->mutex_table_mod[idx]); > + > + writel_relaxed(reg, mtx->regs + offset); > + > + return 0; > +} > + > +int mtk_mutex_set_mod(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx) > +{ > + return mtk_mutex_write_mod(mutex, idx, false); > +} > +EXPORT_SYMBOL_GPL(mtk_mutex_set_mod); Why not just export symbol of mtk_mutex_write_mod() and drop mtk_mutex_set_mod()/mtk_mutex_clear_mod()? > + > +int mtk_mutex_clear_mod(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx) > +{ > + return mtk_mutex_write_mod(mutex, idx, true); > +} > +EXPORT_SYMBOL_GPL(mtk_mutex_clear_mod); > + > +int mtk_mutex_write_sof(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx, bool clear) > +{ > + struct mtk_mutex_ctx *mtx = container_of(mutex, struct > mtk_mutex_ctx, > + mutex[mutex->id]); > + unsigned int sof_id, val; > + > + WARN_ON(&mtx->mutex[mutex->id] != mutex); > + > + if (idx < MUTEX_TABLE_IDX_MDP_RDMA0 || > + idx >= MUTEX_TABLE_IDX_MAX) { > + dev_err(mtx->dev, "Not supported SOF table index : %d", > idx); > + return -EINVAL; > + } > + > + sof_id = mtx->data->mutex_table_sof[idx]; Why do you map each idx to a sof? For each idx, we could choose sof by different application. I would like to change parameter mtk_mutex_table_index to mtk_mutex_sof_index. Regards, CK > + > + if (clear) > + val = MUTEX_SOF_SINGLE_MODE; > + else > + val = mtx->data->mutex_sof[sof_id]; > + > + writel_relaxed(val, mtx->regs + > + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, > mutex->id)); > + > + return 0; > +} > + > +int mtk_mutex_set_sof(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx) > +{ > + return mtk_mutex_write_sof(mutex, idx, false); > +} > +EXPORT_SYMBOL_GPL(mtk_mutex_set_sof); > + > +int mtk_mutex_clear_sof(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx) > +{ > + return mtk_mutex_write_sof(mutex, idx, true); > +} > +EXPORT_SYMBOL_GPL(mtk_mutex_clear_sof); > + > static int mtk_mutex_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > diff --git a/include/linux/soc/mediatek/mtk-mutex.h > b/include/linux/soc/mediatek/mtk-mutex.h > index 6fe4ffbde290..f174452212d6 100644 > --- a/include/linux/soc/mediatek/mtk-mutex.h > +++ b/include/linux/soc/mediatek/mtk-mutex.h > @@ -10,6 +10,20 @@ struct regmap; > struct device; > struct mtk_mutex; > > +enum mtk_mutex_table_index { > + /* MDP table index */ > + MUTEX_TABLE_IDX_MDP_RDMA0, > + MUTEX_TABLE_IDX_MDP_RSZ0, > + MUTEX_TABLE_IDX_MDP_RSZ1, > + MUTEX_TABLE_IDX_MDP_TDSHP0, > + MUTEX_TABLE_IDX_MDP_WROT0, > + MUTEX_TABLE_IDX_MDP_WDMA, > + MUTEX_TABLE_IDX_MDP_AAL0, > + MUTEX_TABLE_IDX_MDP_CCORR0, > + > + MUTEX_TABLE_IDX_MAX /* ALWAYS keep at the end */ > +}; > + > struct mtk_mutex *mtk_mutex_get(struct device *dev); > int mtk_mutex_prepare(struct mtk_mutex *mutex); > void mtk_mutex_add_comp(struct mtk_mutex *mutex, > @@ -22,5 +36,13 @@ void mtk_mutex_unprepare(struct mtk_mutex *mutex); > void mtk_mutex_put(struct mtk_mutex *mutex); > void mtk_mutex_acquire(struct mtk_mutex *mutex); > void mtk_mutex_release(struct mtk_mutex *mutex); > +int mtk_mutex_set_mod(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx); > +int mtk_mutex_clear_mod(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx); > +int mtk_mutex_set_sof(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx); > +int mtk_mutex_clear_sof(struct mtk_mutex *mutex, > + enum mtk_mutex_table_index idx); > > #endif /* MTK_MUTEX_H */
On Thu, 2022-05-12 at 16:41 +0800, Moudy Ho wrote: > In order to allow multiple modules to operate MUTEX hardware through > a common interfrace, a flexible index "mtk_mutex_table_index" needs > to > be added to replace original component ID so that like DDP and MDP > can add their own MUTEX table settings independently. > > In addition, 4 generic interface "mtk_mutex_set_mod", > "mtk_mutex_set_sof", > "mtk_mutex_clear_mod" and "mtk_mutex_clear_sof" have been added, > which is > expected to replace the "mtk_mutex_add_comp" and > "mtk_mutex_remove_comp" > pair originally dedicated to DDP in the future. > > Signed-off-by: Moudy Ho <moudy.ho@mediatek.com> > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > --- Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
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