diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/media/sprd_isp/isp2.0/pike/src/isp_k_rgb_gain.c | |
Diffstat (limited to 'drivers/media/sprd_isp/isp2.0/pike/src/isp_k_rgb_gain.c')
| -rw-r--r-- | drivers/media/sprd_isp/isp2.0/pike/src/isp_k_rgb_gain.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_rgb_gain.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_rgb_gain.c new file mode 100644 index 00000000..5cc2c554 --- /dev/null +++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_rgb_gain.c @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2012 Spreadtrum Communications Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/uaccess.h> +#include <linux/sprd_mm.h> +#include <video/sprd_isp.h> +#include "isp_reg.h" + +static int32_t isp_k_rgb_gain_block(struct isp_io_param *param) +{ + int32_t ret = 0; + uint32_t val = 0; + struct isp_dev_rgb_gain_info_v1 gain_info; + + ret = copy_from_user((void *)&gain_info, param->property_param, sizeof(gain_info)); + if (0 != ret) { + printk("isp_k_rgb_gain_block: copy error, ret=0x%x\n", (uint32_t)ret); + return -1; + } + + val = (gain_info.global_gain & 0xFFFF) << 16; + REG_MWR(ISP_RGBG_PARAM, 0xFFFF0000, val); + + val = ((gain_info.r_gain & 0xFFFF) << 16) | (gain_info.b_gain & 0xFFFF); + REG_WR(ISP_RGBG_RB, val); + val = gain_info.g_gain & 0xFFFF; + REG_WR(ISP_RGBG_G, val); + + REG_MWR(ISP_RGBG_PARAM, BIT_0, gain_info.bypass); + + return ret; + +} + +int32_t isp_k_cfg_rgb_gain(struct isp_io_param *param) +{ + int32_t ret = 0; + + if (!param) { + printk("isp_k_cfg_rgb_gain: param is null error.\n"); + return -1; + } + + if (NULL == param->property_param) { + printk("isp_k_cfg_rgb_gain: property_param is null error.\n"); + return -1; + } + + switch(param->property) { + case ISP_PRO_RGB_GAIN_BLOCK: + ret = isp_k_rgb_gain_block(param); + break; + default: + printk("isp_k_cfg_rgb_gain: fail cmd id:%d, not supported.\n", param->property); + break; + } + + return ret; +} |
