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path: root/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
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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.c131
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);
-}