Generalizes power and clock on/off interfaces to support different hardware.
Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
---
.../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 6 +-
.../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 2 +-
.../platform/mtk-vcodec/mtk_vcodec_dec_hw.h | 4 +
.../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 76 +++++++++++++++++--
.../platform/mtk-vcodec/mtk_vcodec_dec_pm.h | 8 +-
.../platform/mtk-vcodec/mtk_vcodec_drv.h | 2 +
.../platform/mtk-vcodec/mtk_vcodec_util.c | 60 ++++++++++++---
.../platform/mtk-vcodec/mtk_vcodec_util.h | 8 +-
.../media/platform/mtk-vcodec/vdec_drv_if.c | 21 ++---
9 files changed, 147 insertions(+), 40 deletions(-)
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
index ac279c2a3f8a..001cdf447ab8 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
@@ -75,7 +75,7 @@ static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv)
void __iomem *vdec_misc_addr = dev->reg_base[VDEC_MISC] +
VDEC_IRQ_CFG_REG;
- ctx = mtk_vcodec_get_curr_ctx(dev);
+ ctx = mtk_vcodec_get_curr_ctx(dev, MTK_VDEC_CORE);
/* check if HW active or not */
cg_status = readl(dev->reg_base[0]);
@@ -224,7 +224,7 @@ static int fops_vcodec_open(struct file *file)
mtk_vcodec_dec_set_default_params(ctx);
if (v4l2_fh_is_singular(&ctx->fh)) {
- ret = mtk_vcodec_dec_pw_on(&dev->pm);
+ ret = mtk_vcodec_dec_pw_on(dev, MTK_VDEC_LAT0);
if (ret < 0)
goto err_load_fw;
/*
@@ -284,7 +284,7 @@ static int fops_vcodec_release(struct file *file)
mtk_vcodec_dec_release(ctx);
if (v4l2_fh_is_singular(&ctx->fh))
- mtk_vcodec_dec_pw_off(&dev->pm);
+ mtk_vcodec_dec_pw_off(dev, MTK_VDEC_LAT0);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
index 8bd23504cf4c..389a17eb4085 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
@@ -42,7 +42,7 @@ static irqreturn_t mtk_vdec_hw_irq_handler(int irq, void *priv)
void __iomem *vdec_misc_addr = dev->reg_base[VDEC_HW_MISC] +
VDEC_IRQ_CFG_REG;
- ctx = mtk_vcodec_get_curr_ctx(dev->main_dev);
+ ctx = mtk_vcodec_get_curr_ctx(dev->main_dev, dev->hw_idx);
/* check if HW active or not */
cg_status = readl(dev->reg_base[VDEC_HW_SYS]);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h
index f7f36790629d..fdf1435fc932 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h
@@ -34,6 +34,8 @@ enum mtk_vdec_hw_reg_idx {
* @main_dev: main device
* @reg_base: Mapped address of MTK Vcodec registers.
*
+ * @curr_ctx: the context that is waiting for codec hardware
+ *
* @dec_irq: decoder irq resource
* @pm: power management control
* @hw_idx: each hardware index
@@ -43,6 +45,8 @@ struct mtk_vdec_hw_dev {
struct mtk_vcodec_dev *main_dev;
void __iomem *reg_base[VDEC_HW_MAX];
+ struct mtk_vcodec_ctx *curr_ctx;
+
int dec_irq;
struct mtk_vcodec_pm pm;
int hw_idx;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
index 221cf60e9fbf..4cf03d38d141 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
@@ -5,11 +5,13 @@
*/
#include <linux/clk.h>
+#include <linux/interrupt.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
#include <soc/mediatek/smi.h>
+#include "mtk_vcodec_dec_hw.h"
#include "mtk_vcodec_dec_pm.h"
#include "mtk_vcodec_util.h"
@@ -86,10 +88,23 @@ void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm)
}
EXPORT_SYMBOL_GPL(mtk_vcodec_release_dec_pm);
-int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm)
+int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx)
{
+ struct mtk_vdec_hw_dev *subdev_dev;
+ struct mtk_vcodec_pm *pm;
int ret;
+ if (vdec_dev->vdec_pdata->is_subdev_supported) {
+ subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx);
+ if (!subdev_dev) {
+ mtk_v4l2_err("Failed to get hw dev\n");
+ return -EINVAL;
+ }
+ pm = &subdev_dev->pm;
+ } else {
+ pm = &vdec_dev->pm;
+ }
+
ret = pm_runtime_resume_and_get(pm->dev);
if (ret)
mtk_v4l2_err("pm_runtime_resume_and_get fail %d", ret);
@@ -98,21 +113,50 @@ int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm)
}
EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_on);
-void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm)
+void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx)
{
+ struct mtk_vdec_hw_dev *subdev_dev;
+ struct mtk_vcodec_pm *pm;
int ret;
+ if (vdec_dev->vdec_pdata->is_subdev_supported) {
+ subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx);
+ if (!subdev_dev) {
+ mtk_v4l2_err("Failed to get hw dev\n");
+ return;
+ }
+ pm = &subdev_dev->pm;
+ } else {
+ pm = &vdec_dev->pm;
+ }
+
ret = pm_runtime_put_sync(pm->dev);
if (ret)
mtk_v4l2_err("pm_runtime_put_sync fail %d", ret);
}
EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_off);
-void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm)
+void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx)
{
- struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk;
- int ret, i = 0;
+ struct mtk_vdec_hw_dev *subdev_dev;
+ struct mtk_vcodec_pm *pm;
+ struct mtk_vcodec_clk *dec_clk;
+ int ret, i;
+
+ if (vdec_dev->vdec_pdata->is_subdev_supported) {
+ subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx);
+ if (!subdev_dev) {
+ mtk_v4l2_err("Failed to get hw dev\n");
+ return;
+ }
+ pm = &subdev_dev->pm;
+ enable_irq(subdev_dev->dec_irq);
+ } else {
+ pm = &vdec_dev->pm;
+ enable_irq(vdec_dev->dec_irq);
+ }
+ dec_clk = &pm->vdec_clk;
for (i = 0; i < dec_clk->clk_num; i++) {
ret = clk_prepare_enable(dec_clk->clk_info[i].vcodec_clk);
if (ret) {
@@ -135,11 +179,27 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm)
}
EXPORT_SYMBOL_GPL(mtk_vcodec_dec_clock_on);
-void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm)
+void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx)
{
- struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk;
- int i = 0;
+ struct mtk_vdec_hw_dev *subdev_dev;
+ struct mtk_vcodec_pm *pm;
+ struct mtk_vcodec_clk *dec_clk;
+ int i;
+ if (vdec_dev->vdec_pdata->is_subdev_supported) {
+ subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx);
+ if (!subdev_dev) {
+ mtk_v4l2_err("Failed to get hw dev\n");
+ return;
+ }
+ pm = &subdev_dev->pm;
+ disable_irq(subdev_dev->dec_irq);
+ } else {
+ pm = &vdec_dev->pm;
+ disable_irq(vdec_dev->dec_irq);
+ }
+
+ dec_clk = &pm->vdec_clk;
mtk_smi_larb_put(pm->larbvdec);
for (i = dec_clk->clk_num - 1; i >= 0; i--)
clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
index a3df6aef6cb9..6ae29fea4e7f 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
@@ -13,9 +13,9 @@ int mtk_vcodec_init_dec_pm(struct platform_device *pdev,
struct mtk_vcodec_pm *pm);
void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm);
-int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm);
-void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm);
-void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm);
-void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm);
+int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx);
+void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx);
+void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx);
+void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx);
#endif /* _MTK_VCODEC_DEC_PM_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index 610b0af13879..5d5376fcf0a7 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -284,6 +284,7 @@ struct vdec_pic_info {
* @decoded_frame_cnt: number of decoded frames
* @lock: protect variables accessed by V4L2 threads and worker thread such as
* mtk_video_dec_buf.
+ * @hw_id: hardware index used to identify different hardware.
*
* @msg_queue: msg queue used to store lat buffer information.
*/
@@ -328,6 +329,7 @@ struct mtk_vcodec_ctx {
int decoded_frame_cnt;
struct mutex lock;
+ int hw_id;
struct vdec_msg_queue msg_queue;
};
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
index ac5973b6735f..145bebf4506e 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
@@ -6,7 +6,10 @@
*/
#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include "mtk_vcodec_dec_hw.h"
#include "mtk_vcodec_drv.h"
#include "mtk_vcodec_util.h"
@@ -81,25 +84,60 @@ void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
}
EXPORT_SYMBOL(mtk_vcodec_mem_free);
-void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
- struct mtk_vcodec_ctx *ctx)
+void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dev *dev, int hw_idx)
{
- unsigned long flags;
+ if (hw_idx >= MTK_VDEC_HW_MAX || hw_idx < 0 ||
+ !dev->subdev_dev[hw_idx]) {
