Initial file dump from open source releaseHEADmaster

1 files changed, 177 insertions, 0 deletions

diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_arbiter.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_arbiter.c
new file mode 100644
index 00000000..4031b04e
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_arbiter.c
@@ -0,0 +1,177 @@
+/*
+ * 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_arbiter_block(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	struct isp_dev_arbiter_info_v1 arbiter_info;
+	uint32_t val = 0;
+
+	memset(&arbiter_info, 0x00, sizeof(arbiter_info));
+
+	ret = copy_from_user((void *)&arbiter_info, param->property_param, sizeof(arbiter_info));
+	if (0 != ret) {
+		printk("isp_k_arbiter_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	val = ((arbiter_info.endian_ch0.bpc_endian & 0x3) << 8) | ((arbiter_info.endian_ch0.lens_endian & 0x3) << 6)
+		| ((arbiter_info.endian_ch0.store_endian & 0x3) << 4) | ((arbiter_info.endian_ch0.fetch_bit_reorder & 0x1) << 2)
+		| (arbiter_info.endian_ch0.fetch_endian & 0x3);
+	REG_WR(ISP_ARBITER_ENDIAN_CH0, val);
+
+	val = ((arbiter_info.endian_ch1.bpc_endian & 0x3) << 8) | ((arbiter_info.endian_ch1.lens_endian & 0x3) << 6)
+		| ((arbiter_info.endian_ch1.store_endian & 0x3) << 4) | ((arbiter_info.endian_ch1.fetch_bit_reorder & 0x1) << 2)
+		| (arbiter_info.endian_ch1.fetch_endian & 0x3);
+	REG_WR(ISP_ARBITER_ENDIAN_CH1, val);
+
+	val = (arbiter_info.para.pause_cycle & 0xFF) | ((arbiter_info.para.reset & 0x1) << 8);
+	REG_WR(ISP_ARBITER_PARAM, val);
+
+	return ret;
+}
+
+static int32_t isp_k_arbiter_wr_status(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t status = 0;
+
+	status = REG_RD(ISP_PRO_ARBITER_WR_STATUS);
+
+	ret = copy_to_user(param->property_param, (void*)&status, sizeof(status));
+	if (0 != ret) {
+		ret = -1;
+		printk("isp_k_arbiter_wr_status: copy_to_user error, ret = 0x%x\n", (uint32_t)ret);
+	}
+
+	return ret;
+}
+
+static int32_t isp_k_arbiter_rd_status(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t status = 0;
+
+	status = REG_RD(ISP_PRO_ARBITER_RD_STATUS);
+
+	ret = copy_to_user(param->property_param, (void*)&status, sizeof(status));
+	if (0 != ret) {
+		ret = -1;
+		printk("isp_k_arbiter_rd_status: copy_to_user error, ret = 0x%x\n", (uint32_t)ret);
+	}
+
+	return ret;
+}
+
+static int32_t isp_k_arbiter_endian_ch0(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+	struct arbiter_endian_v1 endian = {0};
+
+	ret = copy_from_user((void *)&endian, param->property_param, sizeof(endian));
+	if (0 != ret) {
+		printk("isp_k_arbiter_endian_ch0: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	val = ((endian.bpc_endian & 0x3) << 8) | ((endian.lens_endian & 0x3) << 6) | ((endian.store_endian & 0x3) << 4)
+		| ((endian.fetch_bit_reorder & 0x1) << 2) | (endian.fetch_endian & 0x3);
+	REG_WR(ISP_ARBITER_ENDIAN_CH0, val);
+
+	return ret;
+}
+
+static int32_t isp_k_arbiter_endian_ch1(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+	struct arbiter_endian_v1 endian = {0};
+
+	ret = copy_from_user((void *)&endian, param->property_param, sizeof(endian));
+	if (0 != ret) {
+		printk("isp_k_arbiter_endian_ch1: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	val = ((endian.bpc_endian & 0x3) << 8) | ((endian.lens_endian & 0x3) << 6) | ((endian.store_endian & 0x3) << 4)
+		| ((endian.fetch_bit_reorder & 0x1) << 2) | (endian.fetch_endian & 0x3);
+	REG_WR(ISP_ARBITER_ENDIAN_CH1, val);
+
+	return ret;
+}
+
+static int32_t isp_k_arbiter_param(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+	struct arbiter_param_v1 para = {0};
+
+	ret = copy_from_user((void *)&para, param->property_param, sizeof(para));
+	if (0 != ret) {
+		printk("isp_k_arbiter_param: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	val = (para.pause_cycle & 0xFF) | ((para.reset & 0x1) << 8);
+	REG_WR(ISP_ARBITER_PARAM, val);
+
+	return ret;
+}
+
+int32_t isp_k_cfg_arbiter(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+
+	if (!param) {
+		printk("isp_k_cfg_arbiter: param is null error.\n");
+		return -1;
+	}
+
+	if (NULL == param->property_param) {
+		printk("isp_k_cfg_arbiter: property_param is null error.\n");
+		return -1;
+	}
+
+	switch (param->property) {
+	case ISP_PRO_ARBITER_BLOCK:
+		ret = isp_k_arbiter_block(param);
+		break;
+	case ISP_PRO_ARBITER_WR_STATUS:
+		ret = isp_k_arbiter_wr_status(param);
+		break;
+	case ISP_PRO_ARBITER_RD_STATUS:
+		ret = isp_k_arbiter_rd_status(param);
+		break;
+	case ISP_PRO_ARBITER_PARAM:
+		ret = isp_k_arbiter_param(param);
+		break;
+	case ISP_PRO_ARBITER_ENDIAN_CH0:
+		ret = isp_k_arbiter_endian_ch0(param);
+		break;
+	case ISP_PRO_ARBITER_ENDIAN_CH1:
+		ret = isp_k_arbiter_endian_ch1(param);
+		break;
+	default:
+		printk("isp_k_cfg_arbiter: fail cmd id:%d, not supported.\n", param->property);
+		break;
+	}
+
+	return ret;
+}
+