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authorYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
committerYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
commit8e4bff4cab0ddac6060645b0715210484d02ff40 (patch)
tree3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/media/sprd_isp/isp2.0/pike/src/isp_k_pgg.c
Initial file dump from open source releaseHEADmaster
Diffstat (limited to 'drivers/media/sprd_isp/isp2.0/pike/src/isp_k_pgg.c')
-rw-r--r--drivers/media/sprd_isp/isp2.0/pike/src/isp_k_pgg.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_pgg.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_pgg.c
new file mode 100644
index 00000000..8cdd023d
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_pgg.c
@@ -0,0 +1,67 @@
+/*
+ * 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_pgg_block(struct isp_io_param *param)
+{
+ int32_t ret = 0;
+ struct isp_dev_pre_glb_gain_info pgg_info;
+
+ memset(&pgg_info, 0x00, sizeof(pgg_info));
+
+ ret = copy_from_user((void *)&pgg_info, param->property_param, sizeof(pgg_info));
+ if (0 != ret) {
+ printk("isp_k_pgg_block: copy error, ret=0x%x\n", (uint32_t)ret);
+ return -1;
+ }
+
+ REG_MWR(ISP_PGG_PARAM, 0xFFFF00, (pgg_info.gain << 8));
+
+ if (pgg_info.bypass) {
+ REG_OWR(ISP_PGG_PARAM, BIT_0);
+ } else {
+ REG_MWR(ISP_PGG_PARAM, BIT_0, 0);
+ }
+
+ return ret;
+}
+
+int32_t isp_k_cfg_pgg(struct isp_io_param *param)
+{
+ int32_t ret = 0;
+
+ if (!param) {
+ printk("isp_k_cfg_pgg: param is null error.\n");
+ return -1;
+ }
+
+ if (!param->property_param) {
+ printk("isp_k_cfg_pgg: property_param is null error.\n");
+ return -1;
+ }
+
+ switch (param->property) {
+ case ISP_PRO_PRE_GLB_GAIN_BLOCK:
+ ret = isp_k_pgg_block(param);
+ break;
+ default:
+ printk("isp_k_cfg_pgg: fail cmd id:%d, not supported.\n", param->property);
+ break;
+ }
+
+ return ret;
+}