1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_fetch.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_fetch.c
new file mode 100644
index 00000000..04df07df
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_fetch.c
@@ -0,0 +1,127 @@
+/*
+ * 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_fetch_block(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	struct isp_dev_fetch_info_v1 fetch_info;
+
+	memset(&fetch_info, 0x00, sizeof(fetch_info));
+
+	ret = copy_from_user((void *)&fetch_info, param->property_param, sizeof(fetch_info));
+	if (0 != ret) {
+		printk("isp_k_fetch_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	if (fetch_info.substract) {
+		REG_OWR(ISP_FETCH_PARAM, BIT_1);
+	} else {
+		REG_MWR(ISP_FETCH_PARAM, BIT_1, 0);
+	}
+
+	REG_MWR(ISP_FETCH_PARAM, 0xF0, (fetch_info.color_format << 4));
+
+	REG_WR(ISP_FETCH_SLICE_Y_ADDR, fetch_info.addr.chn0);
+	REG_WR(ISP_FETCH_SLICE_Y_PITCH, fetch_info.pitch.chn0);
+	REG_WR(ISP_FETCH_SLICE_U_ADDR, fetch_info.addr.chn1);
+	REG_WR(ISP_FETCH_SLICE_U_PITCH, fetch_info.pitch.chn1);
+	REG_WR(ISP_FETCH_SLICE_V_ADDR, fetch_info.addr.chn2);
+	REG_WR(ISP_FETCH_SLICE_V_PITCH, fetch_info.pitch.chn2);
+	REG_WR(ISP_FETCH_MIPI_WORD_INFO, (fetch_info.mipi_word_num & 0xFFFF));
+	REG_WR(ISP_FETCH_MIPI_BYTE_INFO, (fetch_info.mipi_byte_rel_pos & 0x0F));
+	REG_WR(ISP_FETCH_BAYER_MODE, 0x2);
+
+	if (fetch_info.bypass) {
+		REG_OWR(ISP_FETCH_PARAM, BIT_0);
+	} else {
+		REG_MWR(ISP_FETCH_PARAM, BIT_0, 0);
+	}
+
+	return ret;
+}
+
+static int32_t isp_k_fetch_slice_size(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t size = 0;
+	struct isp_img_size slice_size = {0, 0};
+
+	ret = copy_from_user((void *)&slice_size, param->property_param, sizeof(struct isp_img_size));
+	if (0 != ret) {
+		printk("isp_k_fetch_slice_size: read copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	size = ((slice_size.height & 0xFFFF) << 16) | (slice_size.width & 0xFFFF);
+
+	REG_WR(ISP_FETCH_SLICE_SIZE, size);
+
+	return ret;
+}
+
+static int32_t isp_k_fetch_start_isp(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t fetch_start = 0;
+
+	ret = copy_from_user((void *)&fetch_start, param->property_param, sizeof(uint32_t));
+	if (0 != ret) {
+		printk("isp_k_fetch_start_isp: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	if (fetch_start) {
+		REG_OWR(ISP_FETCH_START, BIT_0);
+	} else {
+		REG_MWR(ISP_FETCH_START, BIT_0, 0);
+	}
+
+	return ret;
+}
+
+int32_t isp_k_cfg_fetch(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+
+	if (!param) {
+		printk("isp_k_cfg_fetch: param is null error.\n");
+		return -1;
+	}
+
+	if (NULL == param->property_param) {
+		printk("isp_k_cfg_fetch: property_param is null error.\n");
+		return -1;
+	}
+
+	switch(param->property) {
+	case ISP_PRO_FETCH_BLOCK:
+		ret = isp_k_fetch_block(param);
+		break;
+	case ISP_PRO_FETCH_SLICE_SIZE:
+		ret = isp_k_fetch_slice_size(param);
+		break;
+	case ISP_PRO_FETCH_START_ISP:
+		ret = isp_k_fetch_start_isp(param);
+		break;
+	default:
+		printk("isp_k_cfg_fetch: fail cmd id:%d, not supported.\n", param->property);
+		break;
+	}
+
+	return ret;
+}