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media: rockchip: isp: tb helper add clk on/off

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Change-Id: I63ada7e82d79c23a986259764220093c693689a7
Signed-off-by: Cai YiWei <cyw@rock-chips.com>
This commit is contained in:
Cai YiWei
2022-05-24 09:55:18 +08:00
committed by Tao Huang
parent 8766dc266e
commit 1b117c46fb
1 changed files with 18 additions and 1 deletions
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19
drivers/media/platform/rockchip/isp/rkisp_tb_helper.c
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@@ -21,6 +21,8 @@
#include "rkisp_tb_helper.h"
static struct platform_device *rkisp_tb_pdev;
static struct clk_bulk_data *rkisp_tb_clk;
static int rkisp_tb_clk_num;
struct shm_data {
int npages;
@@ -159,16 +161,26 @@ static struct dma_buf *shm_alloc(struct rkisp_thunderboot_shmem *shmem)
static int __maybe_unused rkisp_tb_clocks_loader_protect(void)
{
int ret = 0;
if (rkisp_tb_pdev) {
pm_runtime_enable(&rkisp_tb_pdev->dev);
pm_runtime_get_sync(&rkisp_tb_pdev->dev);
if (rkisp_tb_clk_num) {
ret = clk_bulk_prepare_enable(rkisp_tb_clk_num, rkisp_tb_clk);
if (ret)
dev_err(&rkisp_tb_pdev->dev, "Cannot enable clock\n");
}
}
return 0;
return ret;
}
static int __maybe_unused rkisp_tb_clocks_loader_unprotect(void)
{
if (rkisp_tb_pdev) {
if (rkisp_tb_clk_num)
clk_bulk_disable_unprepare(rkisp_tb_clk_num, rkisp_tb_clk);
pm_runtime_put_sync(&rkisp_tb_pdev->dev);
pm_runtime_disable(&rkisp_tb_pdev->dev);
}
@@ -202,6 +214,11 @@ static const struct of_device_id rkisp_tb_plat_of_match[] = {
static int rkisp_tb_plat_probe(struct platform_device *pdev)
{
rkisp_tb_pdev = pdev;
rkisp_tb_clk_num = devm_clk_bulk_get_all(&pdev->dev, &rkisp_tb_clk);
if (rkisp_tb_clk_num <= 0) {
dev_warn(&pdev->dev, "get clk fail:%d\n", rkisp_tb_clk_num);
rkisp_tb_clk_num = 0;
}
rkisp_tb_clocks_loader_protect();
return 0;
}