diff options
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c')
-rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c deleted file mode 100644 index 1b2e4930ed27..000000000000 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c +++ /dev/null @@ -1,131 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* -* Copyright (c) 2016 MediaTek Inc. -* Author: Tiffany Lin <tiffany.lin@mediatek.com> -*/ - -#include <linux/clk.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> -#include <linux/pm_runtime.h> -#include <soc/mediatek/smi.h> - -#include "mtk_vcodec_enc_pm.h" -#include "mtk_vcodec_util.h" - -int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) -{ - struct device_node *node; - struct platform_device *pdev; - struct mtk_vcodec_pm *pm; - struct mtk_vcodec_clk *enc_clk; - struct mtk_vcodec_clk_info *clk_info; - int ret = 0, i = 0; - struct device *dev; - - pdev = mtkdev->plat_dev; - pm = &mtkdev->pm; - memset(pm, 0, sizeof(struct mtk_vcodec_pm)); - pm->mtkdev = mtkdev; - pm->dev = &pdev->dev; - dev = &pdev->dev; - enc_clk = &pm->venc_clk; - - node = of_parse_phandle(dev->of_node, "mediatek,larb", 0); - if (!node) { - mtk_v4l2_err("no mediatek,larb found"); - return -ENODEV; - } - pdev = of_find_device_by_node(node); - of_node_put(node); - if (!pdev) { - mtk_v4l2_err("no mediatek,larb device found"); - return -ENODEV; - } - pm->larbvenc = &pdev->dev; - pdev = mtkdev->plat_dev; - pm->dev = &pdev->dev; - - enc_clk->clk_num = of_property_count_strings(pdev->dev.of_node, - "clock-names"); - if (enc_clk->clk_num > 0) { - enc_clk->clk_info = devm_kcalloc(&pdev->dev, - enc_clk->clk_num, sizeof(*clk_info), - GFP_KERNEL); - if (!enc_clk->clk_info) { - ret = -ENOMEM; - goto put_larbvenc; - } - } else { - mtk_v4l2_err("Failed to get venc clock count"); - ret = -EINVAL; - goto put_larbvenc; - } - - for (i = 0; i < enc_clk->clk_num; i++) { - clk_info = &enc_clk->clk_info[i]; - ret = of_property_read_string_index(pdev->dev.of_node, - "clock-names", i, &clk_info->clk_name); - if (ret) { - mtk_v4l2_err("venc failed to get clk name %d", i); - goto put_larbvenc; - } - clk_info->vcodec_clk = devm_clk_get(&pdev->dev, - clk_info->clk_name); - if (IS_ERR(clk_info->vcodec_clk)) { - mtk_v4l2_err("venc devm_clk_get (%d)%s fail", i, - clk_info->clk_name); - ret = PTR_ERR(clk_info->vcodec_clk); - goto put_larbvenc; - } - } - - return 0; - -put_larbvenc: - put_device(pm->larbvenc); - return ret; -} - -void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *mtkdev) -{ - pm_runtime_disable(mtkdev->pm.dev); - put_device(mtkdev->pm.larbvenc); -} - - -void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) -{ - struct mtk_vcodec_clk *enc_clk = &pm->venc_clk; - int ret, i = 0; - - for (i = 0; i < enc_clk->clk_num; i++) { - ret = clk_prepare_enable(enc_clk->clk_info[i].vcodec_clk); - if (ret) { - mtk_v4l2_err("venc clk_prepare_enable %d %s fail %d", i, - enc_clk->clk_info[i].clk_name, ret); - goto clkerr; - } - } - - ret = mtk_smi_larb_get(pm->larbvenc); - if (ret) { - mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); - goto clkerr; - } - return; - -clkerr: - for (i -= 1; i >= 0; i--) - clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); -} - -void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) -{ - struct mtk_vcodec_clk *enc_clk = &pm->venc_clk; - int i = 0; - - mtk_smi_larb_put(pm->larbvenc); - for (i = enc_clk->clk_num - 1; i >= 0; i--) - clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); -} |