diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c')
-rw-r--r-- | drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c | 166 |
1 files changed, 106 insertions, 60 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c index 7e0c2644bf7b..0fb7e5ba635b 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c @@ -57,74 +57,31 @@ int mtk_vcodec_init_dec_clk(struct platform_device *pdev, struct mtk_vcodec_pm * } EXPORT_SYMBOL_GPL(mtk_vcodec_init_dec_clk); -int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) { - 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); return ret; } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_on); -void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm) { - 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_dev *vdec_dev, int hw_idx) +static void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) { - 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); @@ -140,30 +97,119 @@ error: for (i -= 1; i >= 0; i--) clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_clock_on); -void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) { - struct mtk_vdec_hw_dev *subdev_dev; - struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *dec_clk; int i; + dec_clk = &pm->vdec_clk; + for (i = dec_clk->clk_num - 1; i >= 0; i--) + clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); +} + +static void mtk_vcodec_dec_enable_irq(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +{ + struct mtk_vdec_hw_dev *subdev_dev; + + if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) + return; + if (vdec_dev->vdec_pdata->is_subdev_supported) { subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); - if (!subdev_dev) { + if (subdev_dev) + enable_irq(subdev_dev->dec_irq); + else + mtk_v4l2_err("Failed to get hw dev\n"); + } else { + enable_irq(vdec_dev->dec_irq); + } +} + +static void mtk_vcodec_dec_disable_irq(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +{ + struct mtk_vdec_hw_dev *subdev_dev; + + if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) + return; + + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (subdev_dev) + disable_irq(subdev_dev->dec_irq); + else 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; - for (i = dec_clk->clk_num - 1; i >= 0; i--) - clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); +static struct mtk_vcodec_pm *mtk_vcodec_dec_get_pm(struct mtk_vcodec_dev *vdec_dev, + int hw_idx) +{ + struct mtk_vdec_hw_dev *subdev_dev; + + if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) + return NULL; + + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (subdev_dev) + return &subdev_dev->pm; + + mtk_v4l2_err("Failed to get hw dev\n"); + return NULL; + } + + return &vdec_dev->pm; +} + +static void mtk_vcodec_dec_child_dev_on(struct mtk_vcodec_dev *vdec_dev, + int hw_idx) +{ + struct mtk_vcodec_pm *pm; + + pm = mtk_vcodec_dec_get_pm(vdec_dev, hw_idx); + if (pm) { + mtk_vcodec_dec_pw_on(pm); + mtk_vcodec_dec_clock_on(pm); + } +} + +static void mtk_vcodec_dec_child_dev_off(struct mtk_vcodec_dev *vdec_dev, + int hw_idx) +{ + struct mtk_vcodec_pm *pm; + + pm = mtk_vcodec_dec_get_pm(vdec_dev, hw_idx); + if (pm) { + mtk_vcodec_dec_clock_off(pm); + mtk_vcodec_dec_pw_off(pm); + } +} + +void mtk_vcodec_dec_enable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx) +{ + mutex_lock(&ctx->dev->dec_mutex[hw_idx]); + + if (IS_VDEC_LAT_ARCH(ctx->dev->vdec_pdata->hw_arch) && + hw_idx == MTK_VDEC_CORE) + mtk_vcodec_dec_child_dev_on(ctx->dev, MTK_VDEC_LAT0); + mtk_vcodec_dec_child_dev_on(ctx->dev, hw_idx); + + mtk_vcodec_dec_enable_irq(ctx->dev, hw_idx); +} +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_enable_hardware); + +void mtk_vcodec_dec_disable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx) +{ + mtk_vcodec_dec_disable_irq(ctx->dev, hw_idx); + + mtk_vcodec_dec_child_dev_off(ctx->dev, hw_idx); + if (IS_VDEC_LAT_ARCH(ctx->dev->vdec_pdata->hw_arch) && + hw_idx == MTK_VDEC_CORE) + mtk_vcodec_dec_child_dev_off(ctx->dev, MTK_VDEC_LAT0); + + mutex_unlock(&ctx->dev->dec_mutex[hw_idx]); } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_clock_off); +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_disable_hardware); |