Generalizes power and clock on/off interfaces to support different hardware.
Signed-off-by: Yunfei Dong yunfei.dong@mediatek.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com --- .../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 | 59 +++++++++++--- .../platform/mtk-vcodec/mtk_vcodec_util.h | 8 +- .../media/platform/mtk-vcodec/vdec_drv_if.c | 21 ++--- 9 files changed, 146 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 9802e5cc535f..64359cf692f5 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -46,7 +46,7 @@ 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]); @@ -193,7 +193,7 @@ 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; /* @@ -253,7 +253,7 @@ 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 2cd65a083994..4f946e21b5d7 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c @@ -65,7 +65,7 @@ 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 5c2cfeaa9d9f..a63e4b1b81c3 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h @@ -35,6 +35,8 @@ 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 @@ -44,6 +46,8 @@ 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 1fc2a4b2a137..b91c29afdfde 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 29a0950badf0..d74ca88de827 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 5bac820a47fc..5f42748714a5 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"
@@ -71,25 +74,59 @@ 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]) { + mtk_v4l2_err("hw idx is out of range:%d", hw_idx); + return NULL; + } + + return dev->subdev_dev[hw_idx]; +} +EXPORT_SYMBOL(mtk_vcodec_get_hw_dev);
- spin_lock_irqsave(&dev->irqlock, flags); - dev->curr_ctx = ctx; - spin_unlock_irqrestore(&dev->irqlock, flags); +void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + struct mtk_vcodec_ctx *ctx, int hw_idx) +{ + unsigned long flags; + struct mtk_vdec_hw_dev *subdev_dev; + + spin_lock_irqsave(&vdec_dev->irqlock, flags); + 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"); + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); + return; + } + subdev_dev->curr_ctx = ctx; + } else { + vdec_dev->curr_ctx = ctx; + } + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); } EXPORT_SYMBOL(mtk_vcodec_set_curr_ctx);
-struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev) +struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + unsigned int hw_idx) { unsigned long flags; struct mtk_vcodec_ctx *ctx; - - spin_lock_irqsave(&dev->irqlock, flags); - ctx = dev->curr_ctx; - spin_unlock_irqrestore(&dev->irqlock, flags); + struct mtk_vdec_hw_dev *subdev_dev; + + spin_lock_irqsave(&vdec_dev->irqlock, flags); + 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"); + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); + return NULL; + } + ctx = subdev_dev->curr_ctx; + } else { + ctx = vdec_dev->curr_ctx; + } + spin_unlock_irqrestore(&vdec_dev->irqlock, flags); return ctx; } EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h index 87c3d6d4bfa7..c245321f8dcb 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h @@ -54,8 +54,10 @@ int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data, struct mtk_vcodec_mem *mem); void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data, struct mtk_vcodec_mem *mem); -void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev, - struct mtk_vcodec_ctx *ctx); -struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev); +void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + struct mtk_vcodec_ctx *ctx, int hw_idx); +struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *vdec_dev, + unsigned int hw_idx); +void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dev *dev, int hw_idx);
#endif /* _MTK_VCODEC_UTIL_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c index 42008243ceac..05a5b240e906 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c @@ -24,21 +24,24 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) break; case V4L2_PIX_FMT_H264: ctx->dec_if = &vdec_h264_if; + ctx->hw_id = MTK_VDEC_CORE; break; case V4L2_PIX_FMT_VP8: ctx->dec_if = &vdec_vp8_if; + ctx->hw_id = MTK_VDEC_CORE; break; case V4L2_PIX_FMT_VP9: ctx->dec_if = &vdec_vp9_if; + ctx->hw_id = MTK_VDEC_CORE; break; default: return -EINVAL; }
mtk_vdec_lock(ctx); - mtk_vcodec_dec_clock_on(&ctx->dev->pm); + mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ret = ctx->dec_if->init(ctx); - mtk_vcodec_dec_clock_off(&ctx->dev->pm); + mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); mtk_vdec_unlock(ctx);
return ret; @@ -69,13 +72,11 @@ int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs,
mtk_vdec_lock(ctx);
- mtk_vcodec_set_curr_ctx(ctx->dev, ctx); - mtk_vcodec_dec_clock_on(&ctx->dev->pm); - enable_irq(ctx->dev->dec_irq); + mtk_vcodec_set_curr_ctx(ctx->dev, ctx, ctx->hw_id); + mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg); - disable_irq(ctx->dev->dec_irq); - mtk_vcodec_dec_clock_off(&ctx->dev->pm); - mtk_vcodec_set_curr_ctx(ctx->dev, NULL); + mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); + mtk_vcodec_set_curr_ctx(ctx->dev, NULL, ctx->hw_id);
mtk_vdec_unlock(ctx);
@@ -103,9 +104,9 @@ void vdec_if_deinit(struct mtk_vcodec_ctx *ctx) return;
mtk_vdec_lock(ctx); - mtk_vcodec_dec_clock_on(&ctx->dev->pm); + mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ctx->dec_if->deinit(ctx->drv_handle); - mtk_vcodec_dec_clock_off(&ctx->dev->pm); + mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); mtk_vdec_unlock(ctx);
ctx->drv_handle = NULL;