summaryrefslogtreecommitdiff
path: root/drivers/media/platform/exynos4-is/fimc-is-regs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-is-regs.c')
-rw-r--r--drivers/media/platform/exynos4-is/fimc-is-regs.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c
index 2628733c4e10..cfe4406a83ff 100644
--- a/drivers/media/platform/exynos4-is/fimc-is-regs.c
+++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c
@@ -105,6 +105,20 @@ int fimc_is_hw_get_params(struct fimc_is *is, unsigned int num_args)
return 0;
}
+void fimc_is_hw_set_isp_buf_mask(struct fimc_is *is, unsigned int mask)
+{
+ if (hweight32(mask) == 1) {
+ dev_err(&is->pdev->dev, "%s(): not enough buffers (mask %#x)\n",
+ __func__, mask);
+ return;
+ }
+
+ if (mcuctl_read(is, MCUCTL_REG_ISSR(23)) != 0)
+ dev_dbg(&is->pdev->dev, "non-zero DMA buffer mask\n");
+
+ mcuctl_write(mask, is, MCUCTL_REG_ISSR(23));
+}
+
void fimc_is_hw_set_sensor_num(struct fimc_is *is)
{
pr_debug("setting sensor index to: %d\n", is->sensor_index);
@@ -112,7 +126,7 @@ void fimc_is_hw_set_sensor_num(struct fimc_is *is)
mcuctl_write(IH_REPLY_DONE, is, MCUCTL_REG_ISSR(0));
mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
mcuctl_write(IHC_GET_SENSOR_NUM, is, MCUCTL_REG_ISSR(2));
- mcuctl_write(FIMC_IS_SENSOR_NUM, is, MCUCTL_REG_ISSR(3));
+ mcuctl_write(FIMC_IS_SENSORS_NUM, is, MCUCTL_REG_ISSR(3));
}
void fimc_is_hw_close_sensor(struct fimc_is *is, unsigned int index)