[PATCH v6, 07/15] media: mtk-vcodec: Add irq interface for multi hardware

Yunfei Dong
2021-09-01T08:32:43Z

Adds irq interface for multi hardware.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
.../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 33 +++++++++++++++++--
.../platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 2 +-
.../platform/mtk-vcodec/mtk_vcodec_drv.h | 25 ++++++++++----
.../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 4 +--
.../platform/mtk-vcodec/mtk_vcodec_intr.c | 27 +++++++--------
.../platform/mtk-vcodec/mtk_vcodec_intr.h | 4 +--
.../platform/mtk-vcodec/vdec/vdec_h264_if.c | 2 +-
.../mtk-vcodec/vdec/vdec_h264_req_if.c | 2 +-
.../platform/mtk-vcodec/vdec/vdec_vp8_if.c | 2 +-
.../platform/mtk-vcodec/vdec/vdec_vp9_if.c | 2 +-
.../platform/mtk-vcodec/venc/venc_h264_if.c | 2 +-
.../platform/mtk-vcodec/venc/venc_vp8_if.c | 2 +-
12 files changed, 71 insertions(+), 36 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 4c6f4d7612fa..f096ad1c01ac 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
@@ -68,6 +68,20 @@ static const struct component_master_ops mtk_vdec_ops = {
.unbind = mtk_vdec_unbind,
};

+static int mtk_vcodec_get_hw_count(struct mtk_vcodec_dev *dev)
+{
+ switch (dev->vdec_pdata->hw_arch) {
+ case MTK_VDEC_PURE_SINGLE_CORE:
+ return MTK_VDEC_ONE_CORE;
+ case MTK_VDEC_LAT_SINGLE_CORE:
+ return MTK_VDEC_ONE_LAT_ONE_CORE;
+ default:
+ mtk_v4l2_err("not support hw arch:%d",
+ dev->vdec_pdata->hw_arch);
+ return MTK_VDEC_NO_HW;
+ }
+}
+
static struct component_match *mtk_vcodec_match_add(
struct mtk_vcodec_dev *vdec_dev)
{
@@ -134,7 +148,7 @@ static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void *priv)
writel((readl(vdec_misc_addr) & ~VDEC_IRQ_CLR),
dev->reg_base[VDEC_MISC] + VDEC_IRQ_CFG_REG);

- wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
+ wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED, 0);

mtk_v4l2_debug(3,
"mtk_vcodec_dec_irq_handler :wake up ctx %d, dec_done_status=%x",
@@ -223,7 +237,7 @@ static int fops_vcodec_open(struct file *file)
{
struct mtk_vcodec_dev *dev = video_drvdata(file);
struct mtk_vcodec_ctx *ctx = NULL;
- int ret = 0;
+ int ret = 0, i, hw_count;
struct vb2_queue *src_vq;

ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -237,7 +251,19 @@ static int fops_vcodec_open(struct file *file)
v4l2_fh_add(&ctx->fh);
INIT_LIST_HEAD(&ctx->list);
ctx->dev = dev;
- init_waitqueue_head(&ctx->queue);
+
+ if (ctx->dev->vdec_pdata->is_comp_supported) {
+ hw_count = mtk_vcodec_get_hw_count(dev);
+ if (!hw_count) {
+ ret = -EINVAL;
+ goto err_init_queue;
+ }
+ for (i = 0; i < hw_count; i++)
+ init_waitqueue_head(&ctx->queue[i]);
+ } else {
+ init_waitqueue_head(&ctx->queue[0]);
+ }
+
mutex_init(&ctx->lock);

ctx->type = MTK_INST_DECODER;
@@ -294,6 +320,7 @@ static int fops_vcodec_open(struct file *file)
err_m2m_ctx_init:
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
err_ctrls_setup:
+err_init_queue:
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
kfree(ctx);
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 5e1b7670ba5b..7a31afd294ba 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
@@ -87,7 +87,7 @@ static irqreturn_t mtk_vdec_comp_irq_handler(int irq, void *priv)
writel(dec_done_status | VDEC_IRQ_CFG, vdec_misc_addr);
writel(dec_done_status & ~VDEC_IRQ_CLR, vdec_misc_addr);

- wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
+ wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED, dev->comp_idx);

mtk_v4l2_debug(3, "wake up ctx %d, dec_done_status=%x",
ctx->id, dec_done_status);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index 1d0798fd9adf..08fd43106fc7 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -104,6 +104,16 @@ enum mtk_vdec_hw_id {
MTK_VDEC_HW_MAX,
};

+/**
+ * struct mtk_vdec_hw_count - Supported hardware count
+ */
+enum mtk_vdec_hw_count {
+ MTK_VDEC_NO_HW = 0,
+ MTK_VDEC_ONE_CORE,
+ MTK_VDEC_ONE_LAT_ONE_CORE,
+ MTK_VDEC_MAX_HW_COUNT,
+};
+
/*
* struct mtk_video_fmt - Structure used to store information about pixelformats
*/
@@ -293,9 +303,9 @@ struct mtk_vcodec_ctx {
struct vdec_pic_info picinfo;
int dpb_size;

- int int_cond;
- int int_type;
- wait_queue_head_t queue;
+ int int_cond[MTK_VDEC_HW_MAX];
+ int int_type[MTK_VDEC_HW_MAX];
+ wait_queue_head_t queue[MTK_VDEC_HW_MAX];
unsigned int irq_status;

struct v4l2_ctrl_handler ctrl_hdl;
@@ -501,11 +511,12 @@ static inline struct mtk_vcodec_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
}

/* Wake up context wait_queue */
-static inline void wake_up_ctx(struct mtk_vcodec_ctx *ctx, unsigned int reason)
+static inline void wake_up_ctx(struct mtk_vcodec_ctx *ctx, unsigned int reason,
+ unsigned int hw_id)
{
- ctx->int_cond = 1;
- ctx->int_type = reason;
- wake_up_interruptible(&ctx->queue);
+ ctx->int_cond[hw_id] = 1;
+ ctx->int_type[hw_id] = reason;
+ wake_up_interruptible(&ctx->queue[hw_id]);
}

#endif /* _MTK_VCODEC_DRV_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
index 2828df77020c..c7540c0cdcea 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -114,7 +114,7 @@ static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv)

clean_irq_status(ctx->irq_status, addr);

- wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
+ wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED, 0);
return IRQ_HANDLED;
}

@@ -140,7 +140,7 @@ static int fops_vcodec_open(struct file *file)
v4l2_fh_add(&ctx->fh);
INIT_LIST_HEAD(&ctx->list);
ctx->dev = dev;
- init_waitqueue_head(&ctx->queue);
+ init_waitqueue_head(&ctx->queue[0]);

ctx->type = MTK_INST_ENCODER;
ret = mtk_vcodec_enc_ctrls_setup(ctx);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
index 70580c2525ba..8147533da98b 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
@@ -11,34 +11,31 @@
#include "mtk_vcodec_intr.h"
#include "mtk_vcodec_util.h"

-int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command,
- unsigned int timeout_ms)
+int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx,
+ int command, unsigned int timeout_ms, unsigned hw_id)
{
- wait_queue_head_t *waitqueue;
long timeout_jiff, ret;
int status = 0;

- waitqueue = (wait_queue_head_t *)&ctx->queue;
timeout_jiff = msecs_to_jiffies(timeout_ms);
-
- ret = wait_event_interruptible_timeout(*waitqueue,
- ctx->int_cond,
+ ret = wait_event_interruptible_timeout(ctx->queue[hw_id],
+ ctx->int_cond[hw_id],
timeout_jiff);

if (!ret) {
status = -1; /* timeout */
- mtk_v4l2_err("[%d] ctx->type=%d, cmd=%d, wait_event_interruptible_timeout time=%ums out %d %d!",
- ctx->id, ctx->type, command, timeout_ms,
- ctx->int_cond, ctx->int_type);
+ mtk_v4l2_err("[%d] cmd=%d, type=%d, dec timeout=%ums (%d %d)",
+ ctx->id, command, ctx->type, timeout_ms,
+ ctx->int_cond[hw_id], ctx->int_type[hw_id]);
} else if (-ERESTARTSYS == ret) {
- mtk_v4l2_err("[%d] ctx->type=%d, cmd=%d, wait_event_interruptible_timeout interrupted by a signal %d %d",
- ctx->id, ctx->type, command, ctx->int_cond,
- ctx->int_type);
status = -1;
+ mtk_v4l2_err("[%d] cmd=%d, type=%d, dec inter fail (%d %d)",
+ ctx->id, command, ctx->type,
+ ctx->int_cond[hw_id], ctx->int_type[hw_id]);
}

- ctx->int_cond = 0;
- ctx->int_type = 0;
+ ctx->int_cond[hw_id] = 0;
+ ctx->int_type[hw_id] = 0;

return status;
}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
index 638cd1f3526a..2bf4cabfaa43 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
@@ -12,7 +12,7 @@
struct mtk_vcodec_ctx;

/* timeout is ms */
-int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *data, int command,
- unsigned int timeout_ms);
+int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx,
+ int command, unsigned int timeout_ms, unsigned int hw_id);

#endif /* _MTK_VCODEC_INTR_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
index 40d6e6c5ac7a..481655bb6016 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
@@ -413,7 +413,7 @@ static int vdec_h264_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
/* wait decoder done interrupt */
err = mtk_vcodec_wait_for_done_ctx(inst->ctx,
MTK_INST_IRQ_RECEIVED,
- WAIT_INTR_TIMEOUT_MS);
+ WAIT_INTR_TIMEOUT_MS, 0);
if (err)
goto err_free_fb_out;

diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
index 4dde9ee786b4..d23baa364246 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
@@ -724,7 +724,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
/* wait decoder done interrupt */
err = mtk_vcodec_wait_for_done_ctx(inst->ctx,
MTK_INST_IRQ_RECEIVED,
- WAIT_INTR_TIMEOUT_MS);
+ WAIT_INTR_TIMEOUT_MS, 0);
if (err)
goto err_free_fb_out;
vpu_dec_end(vpu);
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
index e5393f841080..88c046731754 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
@@ -488,7 +488,7 @@ static int vdec_vp8_decode(void *h_vdec, struct mtk_vcodec_mem *bs,

/* wait decoder done interrupt */
mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
- WAIT_INTR_TIMEOUT_MS);
+ WAIT_INTR_TIMEOUT_MS, 0);

if (inst->vsi->load_data)
load_dec_table(inst);
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
index 71cdc3ddafcb..70b8383f7c8e 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
@@ -539,7 +539,7 @@ static bool vp9_wait_dec_end(struct vdec_vp9_inst *inst)

mtk_vcodec_wait_for_done_ctx(inst->ctx,
MTK_INST_IRQ_RECEIVED,
- WAIT_INTR_TIMEOUT_MS);
+ WAIT_INTR_TIMEOUT_MS, 0);

if (ctx->irq_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
return true;
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
index b6a4f2074fa5..9ae1bd8dbc32 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
@@ -335,7 +335,7 @@ static unsigned int h264_enc_wait_venc_done(struct venc_h264_inst *inst)
struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst->ctx;

if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
- WAIT_INTR_TIMEOUT_MS)) {
+ WAIT_INTR_TIMEOUT_MS, 0)) {
irq_status = ctx->irq_status;
mtk_vcodec_debug(inst, "irq_status %x <-", irq_status);
}
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
index 8267a9c4fd25..f96564277577 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
@@ -222,7 +222,7 @@ static unsigned int vp8_enc_wait_venc_done(struct venc_vp8_inst *inst)
struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst->ctx;

if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
- WAIT_INTR_TIMEOUT_MS)) {
+ WAIT_INTR_TIMEOUT_MS, 0)) {
irq_status = ctx->irq_status;
mtk_vcodec_debug(inst, "isr return %x", irq_status);
}
--
2.25.1