--- /dev/null
+/*
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <asm/arch/mxc_i2c.h>
+
+#include <asm/arch/pmic_power.h>
+
+#include "mxc_v4l2_capture.h"
+
+#define OV2640_DEBUG
+#ifdef OV2640_DEBUG
+#define PRINTK(fmt,arg...) printk(KERN_ERR fmt,##arg)
+#else
+#define PRINTK(fmt,arg...)
+#endif
+
+#define OV2640_I2C_ADDRESS 0x30
+
+static sensor_interface *interface_param = NULL;
+static int reset_frame_rate = 30;
+static int ov2640_attach(struct i2c_adapter *adapter);
+static int ov2640_detach(struct i2c_client *client);
+
+static struct i2c_driver ov2640_i2c_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "OV2640 Client",
+ },
+ .attach_adapter = ov2640_attach,
+ .detach_client = ov2640_detach,
+};
+
+static struct i2c_client ov2640_i2c_client = {
+ .name = "ov2640 I2C dev",
+ .addr = OV2640_I2C_ADDRESS,
+ .driver = &ov2640_i2c_driver,
+};
+
+/*!
+ * ov2640 I2C attach function
+ *
+ * @param adapter struct i2c_adapter *
+ * @return Error code indicating success or failure
+ */
+static int ov2640_attach(struct i2c_adapter *adapter)
+{
+ if (strcmp(adapter->name, MXC_ADAPTER_NAME) != 0) {
+ PRINTK("mt9v111_attach: %s\n", adapter->name);
+ return -1;
+ }
+ ov2640_i2c_client.adapter = adapter;
+ if (i2c_attach_client(&ov2640_i2c_client)) {
+ ov2640_i2c_client.adapter = NULL;
+ PRINTK("ov2640_attach: i2c_attach_client failed\n");
+ return -1;
+ }
+ interface_param = (sensor_interface *)
+ kmalloc(sizeof(sensor_interface), GFP_KERNEL);
+
+ if (!interface_param) {
+ PRINTK("ov2640_attach: kmalloc failed \n");
+ return -1;
+ }
+ return 0;
+}
+
+/*!
+ * ov2640 I2C detach function
+ *
+ * @param client struct i2c_client *
+ * @return Error code indicating success or failure
+ */
+static int ov2640_detach(struct i2c_client *client)
+{
+ int err;
+ PMIC_STATUS ret;
+
+ if (!ov2640_i2c_client.adapter)
+ return -1;
+
+ err = i2c_detach_client(&ov2640_i2c_client);
+ ov2640_i2c_client.adapter = NULL;
+
+ if (interface_param)
+ kfree(interface_param);
+
+ interface_param = NULL;
+
+ /* DOVDD */
+ if ((ret = pmic_power_regulator_off(REGU_GPO3)) < 0) {
+ PRINTK("%s:REGU_GPO3 power on error:%d\n", __func__, ret);
+ return 0;
+ } else {
+ PRINTK("%s:REGU_GPO3 power on ok\n", __func__);
+ }
+ PRINTK("%s:OV2640 power off ok\n", __func__);
+
+ return err;
+}
+
+static int
+ov2640_i2c_client_xfer(int addr, u8 reg, char *buf, int num, int tran_flag)
+{
+ struct i2c_msg msg[2];
+ int ret;
+
+ msg[0].addr = addr;
+ msg[0].len = 1;
+ msg[0].buf = ®
+ msg[0].flags = tran_flag;
+ msg[0].flags &= ~I2C_M_RD;
+
+ msg[1].addr = addr;
+ msg[1].len = num;
+ msg[1].buf = buf;
+ msg[1].flags = tran_flag;
+
+ if (tran_flag & MXC_I2C_FLAG_READ) {
+ msg[1].flags |= I2C_M_RD;
+ } else {
+ msg[1].flags &= ~I2C_M_RD;
+ }
+
+ if (ov2640_i2c_client.adapter == NULL) {
+ PRINTK("%s:adapter error\n", __func__);
+ return -1;
+ }
+
+ ret = i2c_transfer(ov2640_i2c_client.adapter, msg, 2);
+
+ if (ret >= 0) {
+ /* PRINTK("%s:i2c transfer num:%d\n", __func__, ret); */
+ return 0;
+ }
+ PRINTK("%s:i2c transfer error:%d\n", __func__, ret);
+ return ret;
+}
+
+static int ov2640_write_reg(u8 reg, u8 val)
+{
+ if (ov2640_i2c_client_xfer(OV2640_I2C_ADDRESS, reg, &val, 1, 0) < 0) {
+ PRINTK("%s:write reg error: reg=%x, val=%x\n",
+ __func__, reg, val);
+ return -1;
+ }
+ return 0;
+}
+
+/* should be replaced by width and height version. */
+static int ov2640_init_1600_1120(void)
+{
+ ov2640_write_reg(0xff, 1);
+ ov2640_write_reg(0x12, 0x80);
+ udelay(1000);
+ ov2640_write_reg(0xff, 0x00);
+ ov2640_write_reg(0x2c, 0xff);
+ ov2640_write_reg(0x2e, 0xdf);
+ ov2640_write_reg(0xff, 0x01);
+ ov2640_write_reg(0x3c, 0x32);
+ ov2640_write_reg(0x11, 0x01);
+ ov2640_write_reg(0x09, 0x00);
+ ov2640_write_reg(0x04, 0x28);
+ ov2640_write_reg(0x13, 0xe5);
+ ov2640_write_reg(0x14, 0x48);
+ ov2640_write_reg(0x2c, 0x0c);
+ ov2640_write_reg(0x33, 0x78);
+ ov2640_write_reg(0x3a, 0x33);
+ ov2640_write_reg(0x3b, 0xfb);
+ ov2640_write_reg(0x3e, 0x00);
+ ov2640_write_reg(0x43, 0x11);
+ ov2640_write_reg(0x16, 0x10);
+ ov2640_write_reg(0x39, 0x82);
+ ov2640_write_reg(0x35, 0x88);
+ ov2640_write_reg(0x22, 0x0a);
+ ov2640_write_reg(0x37, 0x40);
+ ov2640_write_reg(0x23, 0x00);
+ ov2640_write_reg(0x34, 0xa0);
+ ov2640_write_reg(0x36, 0x1a);
+ ov2640_write_reg(0x06, 0x02);
+ ov2640_write_reg(0x07, 0xc0);
+ ov2640_write_reg(0x0d, 0xb7);
+ ov2640_write_reg(0x0e, 0x01);
+ ov2640_write_reg(0x4c, 0x00);
+ ov2640_write_reg(0x4a, 0x81);
+ ov2640_write_reg(0x21, 0x99);
+ ov2640_write_reg(0x24, 0x40);
+ ov2640_write_reg(0x25, 0x38);
+ ov2640_write_reg(0x26, 0x82);
+ ov2640_write_reg(0x5c, 0x00);
+ ov2640_write_reg(0x63, 0x00);
+ ov2640_write_reg(0x46, 0x3f);
+ ov2640_write_reg(0x0c, 0x3c);
+ ov2640_write_reg(0x5d, 0x55);
+ ov2640_write_reg(0x5e, 0x7d);
+ ov2640_write_reg(0x5f, 0x7d);
+ ov2640_write_reg(0x60, 0x55);
+ ov2640_write_reg(0x61, 0x70);
+ ov2640_write_reg(0x62, 0x80);
+ ov2640_write_reg(0x7c, 0x05);
+ ov2640_write_reg(0x20, 0x80);
+ ov2640_write_reg(0x28, 0x30);
+ ov2640_write_reg(0x6c, 0x00);
+ ov2640_write_reg(0x6d, 0x80);
+ ov2640_write_reg(0x6e, 0x00);
+ ov2640_write_reg(0x70, 0x02);
+ ov2640_write_reg(0x71, 0x94);
+ ov2640_write_reg(0x73, 0xc1);
+ ov2640_write_reg(0x3d, 0x34);
+ ov2640_write_reg(0x5a, 0x57);
+ ov2640_write_reg(0x4f, 0xbb);
+ ov2640_write_reg(0x50, 0x9c);
+ ov2640_write_reg(0xff, 0x00);
+ ov2640_write_reg(0xe5, 0x7f);
+ ov2640_write_reg(0xf9, 0xc0);
+ ov2640_write_reg(0x41, 0x24);
+ ov2640_write_reg(0x44, 0x06);
+ ov2640_write_reg(0xe0, 0x14);
+ ov2640_write_reg(0x76, 0xff);
+ ov2640_write_reg(0x33, 0xa0);
+ ov2640_write_reg(0x42, 0x20);
+ ov2640_write_reg(0x43, 0x18);
+ ov2640_write_reg(0x4c, 0x00);
+ ov2640_write_reg(0x87, 0xd0);
+ ov2640_write_reg(0xd7, 0x03);
+ ov2640_write_reg(0xd9, 0x10);
+ ov2640_write_reg(0xd3, 0x82);
+ ov2640_write_reg(0xc8, 0x08);
+ ov2640_write_reg(0xc9, 0x80);
+ ov2640_write_reg(0x7c, 0x00);
+ ov2640_write_reg(0x7d, 0x00);
+ ov2640_write_reg(0x7c, 0x03);
+ ov2640_write_reg(0x7d, 0x48);
+ ov2640_write_reg(0x7d, 0x48);
+ ov2640_write_reg(0x7c, 0x08);
+ ov2640_write_reg(0x7d, 0x20);
+ ov2640_write_reg(0x7d, 0x10);
+ ov2640_write_reg(0x7d, 0x0e);
+ ov2640_write_reg(0x90, 0x00);
+ ov2640_write_reg(0x91, 0x0e);
+ ov2640_write_reg(0x91, 0x1a);
+ ov2640_write_reg(0x91, 0x31);
+ ov2640_write_reg(0x91, 0x5a);
+ ov2640_write_reg(0x91, 0x69);
+ ov2640_write_reg(0x91, 0x75);
+ ov2640_write_reg(0x91, 0x7e);
+ ov2640_write_reg(0x91, 0x88);
+ ov2640_write_reg(0x91, 0x8f);
+ ov2640_write_reg(0x91, 0x96);
+ ov2640_write_reg(0x91, 0xa3);
+ ov2640_write_reg(0x91, 0xaf);
+ ov2640_write_reg(0x91, 0xc4);
+ ov2640_write_reg(0x91, 0xd7);
+ ov2640_write_reg(0x91, 0xe8);
+ ov2640_write_reg(0x91, 0x20);
+
+ ov2640_write_reg(0x92, 0x00);
+ ov2640_write_reg(0x93, 0x06);
+ ov2640_write_reg(0x93, 0xe3);
+ ov2640_write_reg(0x93, 0x03);
+ ov2640_write_reg(0x93, 0x03);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x02);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+
+ ov2640_write_reg(0x96, 0x00);
+ ov2640_write_reg(0x97, 0x08);
+ ov2640_write_reg(0x97, 0x19);
+ ov2640_write_reg(0x97, 0x02);
+ ov2640_write_reg(0x97, 0x0c);
+ ov2640_write_reg(0x97, 0x24);
+ ov2640_write_reg(0x97, 0x30);
+ ov2640_write_reg(0x97, 0x28);
+ ov2640_write_reg(0x97, 0x26);
+ ov2640_write_reg(0x97, 0x02);
+ ov2640_write_reg(0x97, 0x98);
+ ov2640_write_reg(0x97, 0x80);
+ ov2640_write_reg(0x97, 0x00);
+ ov2640_write_reg(0x97, 0x00);
+
+ ov2640_write_reg(0xa4, 0x00);
+ ov2640_write_reg(0xa8, 0x00);
+ ov2640_write_reg(0xc5, 0x11);
+ ov2640_write_reg(0xc6, 0x51);
+ ov2640_write_reg(0xbf, 0x80);
+ ov2640_write_reg(0xc7, 0x10);
+ ov2640_write_reg(0xb6, 0x66);
+ ov2640_write_reg(0xb8, 0xa5);
+ ov2640_write_reg(0xb7, 0x64);
+ ov2640_write_reg(0xb9, 0x7c);
+ ov2640_write_reg(0xb3, 0xaf);
+ ov2640_write_reg(0xb4, 0x97);
+ ov2640_write_reg(0xb5, 0xff);
+ ov2640_write_reg(0xb0, 0xc5);
+ ov2640_write_reg(0xb1, 0x94);
+ ov2640_write_reg(0xb2, 0x0f);
+ ov2640_write_reg(0xc4, 0x5c);
+
+ ov2640_write_reg(0xa6, 0x00);
+ ov2640_write_reg(0xa7, 0x20);
+ ov2640_write_reg(0xa7, 0xd8);
+ ov2640_write_reg(0xa7, 0x1b);
+ ov2640_write_reg(0xa7, 0x31);
+ ov2640_write_reg(0xa7, 0x00);
+ ov2640_write_reg(0xa7, 0x18);
+ ov2640_write_reg(0xa7, 0x20);
+ ov2640_write_reg(0xa7, 0xd8);
+ ov2640_write_reg(0xa7, 0x19);
+ ov2640_write_reg(0xa7, 0x31);
+ ov2640_write_reg(0xa7, 0x00);
+ ov2640_write_reg(0xa7, 0x18);
+ ov2640_write_reg(0xa7, 0x20);
+ ov2640_write_reg(0xa7, 0xd8);
+ ov2640_write_reg(0xa7, 0x19);
+ ov2640_write_reg(0xa7, 0x31);
+ ov2640_write_reg(0xa7, 0x00);
+ ov2640_write_reg(0xa7, 0x18);
+
+ ov2640_write_reg(0xc0, 0xc8);
+ ov2640_write_reg(0xc1, 0x96);
+ ov2640_write_reg(0x86, 0x3d);
+ ov2640_write_reg(0x50, 0x00);
+ ov2640_write_reg(0x51, 0x90);
+ ov2640_write_reg(0x52, 0x18);
+ ov2640_write_reg(0x53, 0x00);
+ ov2640_write_reg(0x54, 0x00);
+ ov2640_write_reg(0x55, 0x88);
+ ov2640_write_reg(0x57, 0x00);
+ ov2640_write_reg(0x5a, 0x90);
+ ov2640_write_reg(0x5b, 0x18);
+ ov2640_write_reg(0x5c, 0x05);
+ ov2640_write_reg(0xc3, 0xef);
+ ov2640_write_reg(0x7f, 0x00);
+ ov2640_write_reg(0xda, 0x01);
+ ov2640_write_reg(0xe5, 0x1f);
+ ov2640_write_reg(0xe1, 0x67);
+ ov2640_write_reg(0xe0, 0x00);
+ ov2640_write_reg(0xdd, 0x7f);
+ ov2640_write_reg(0x05, 0x00);
+
+ return 0;
+}
+
+static int ov2640_init_800_600(void)
+{
+ ov2640_write_reg(0xff, 0x00);
+ ov2640_write_reg(0xff, 0x01);
+ ov2640_write_reg(0x12, 0x80);
+ udelay(1000);
+ ov2640_write_reg(0xff, 0x00);
+ ov2640_write_reg(0x2c, 0xff);
+ ov2640_write_reg(0x2e, 0xdf);
+ ov2640_write_reg(0xff, 0x01);
+ ov2640_write_reg(0x3c, 0x32);
+ ov2640_write_reg(0x11, 0x01);
+ ov2640_write_reg(0x09, 0x00);
+ ov2640_write_reg(0x04, 0x28);
+ ov2640_write_reg(0x13, 0xe5);
+ ov2640_write_reg(0x14, 0x48);
+ ov2640_write_reg(0x2c, 0x0c);
+ ov2640_write_reg(0x33, 0x78);
+ ov2640_write_reg(0x3a, 0x33);
+ ov2640_write_reg(0x3b, 0xfb);
+ ov2640_write_reg(0x3e, 0x00);
+ ov2640_write_reg(0x43, 0x11);
+ ov2640_write_reg(0x16, 0x10);
+ ov2640_write_reg(0x39, 0x92);
+ ov2640_write_reg(0x35, 0xda);
+ ov2640_write_reg(0x22, 0x1a);
+ ov2640_write_reg(0x37, 0xc3);
+ ov2640_write_reg(0x23, 0x00);
+ ov2640_write_reg(0x34, 0xc0);
+ ov2640_write_reg(0x36, 0x1a);
+ ov2640_write_reg(0x06, 0x88);
+ ov2640_write_reg(0x07, 0xc0);
+ ov2640_write_reg(0x0d, 0x87);
+ ov2640_write_reg(0x0e, 0x41);
+ ov2640_write_reg(0x4c, 0x00);
+ ov2640_write_reg(0x4a, 0x81);
+ ov2640_write_reg(0x21, 0x99);
+ ov2640_write_reg(0x24, 0x40);
+ ov2640_write_reg(0x25, 0x38);
+ ov2640_write_reg(0x26, 0x82);
+ ov2640_write_reg(0x5c, 0x00);
+ ov2640_write_reg(0x63, 0x00);
+ ov2640_write_reg(0x46, 0x22);
+ ov2640_write_reg(0x0c, 0x3c);
+ ov2640_write_reg(0x5d, 0x55);
+ ov2640_write_reg(0x5e, 0x7d);
+ ov2640_write_reg(0x5f, 0x7d);
+ ov2640_write_reg(0x60, 0x55);
+ ov2640_write_reg(0x61, 0x70);
+ ov2640_write_reg(0x62, 0x80);
+ ov2640_write_reg(0x7c, 0x05);
+ ov2640_write_reg(0x20, 0x80);
+ ov2640_write_reg(0x28, 0x30);
+ ov2640_write_reg(0x6c, 0x00);
+ ov2640_write_reg(0x6d, 0x80);
+ ov2640_write_reg(0x6e, 0x00);
+ ov2640_write_reg(0x70, 0x02);
+ ov2640_write_reg(0x71, 0x94);
+ ov2640_write_reg(0x73, 0xc1);
+ ov2640_write_reg(0x12, 0x40);
+ ov2640_write_reg(0x17, 0x11);
+ ov2640_write_reg(0x18, 0x43);
+ ov2640_write_reg(0x19, 0x00);
+ ov2640_write_reg(0x1a, 0x4b);
+ ov2640_write_reg(0x32, 0x09);
+ ov2640_write_reg(0x37, 0xc0);
+ ov2640_write_reg(0x4f, 0xca);
+ ov2640_write_reg(0x50, 0xa8);
+ ov2640_write_reg(0x6d, 0x00);
+ ov2640_write_reg(0x3d, 0x38);
+ ov2640_write_reg(0xff, 0x00);
+ ov2640_write_reg(0xe5, 0x7f);
+ ov2640_write_reg(0xf9, 0xc0);
+ ov2640_write_reg(0x41, 0x24);
+ ov2640_write_reg(0x44, 0x06);
+ ov2640_write_reg(0xe0, 0x14);
+ ov2640_write_reg(0x76, 0xff);
+ ov2640_write_reg(0x33, 0xa0);
+ ov2640_write_reg(0x42, 0x20);
+ ov2640_write_reg(0x43, 0x18);
+ ov2640_write_reg(0x4c, 0x00);
+ ov2640_write_reg(0x87, 0xd0);
+ ov2640_write_reg(0x88, 0x3f);
+ ov2640_write_reg(0xd7, 0x03);
+ ov2640_write_reg(0xd9, 0x10);
+ ov2640_write_reg(0xd3, 0x82);
+ ov2640_write_reg(0xc8, 0x08);
+ ov2640_write_reg(0xc9, 0x80);
+ ov2640_write_reg(0x7c, 0x00);
+ ov2640_write_reg(0x7d, 0x00);
+ ov2640_write_reg(0x7c, 0x03);
+ ov2640_write_reg(0x7d, 0x48);
+ ov2640_write_reg(0x7d, 0x48);
+ ov2640_write_reg(0x7c, 0x08);
+ ov2640_write_reg(0x7d, 0x20);
+ ov2640_write_reg(0x7d, 0x10);
+ ov2640_write_reg(0x7d, 0x0e);
+ ov2640_write_reg(0x90, 0x00);
+ ov2640_write_reg(0x91, 0x0e);
+ ov2640_write_reg(0x91, 0x1a);
+ ov2640_write_reg(0x91, 0x31);
+ ov2640_write_reg(0x91, 0x5a);
+ ov2640_write_reg(0x91, 0x69);
+ ov2640_write_reg(0x91, 0x75);
+ ov2640_write_reg(0x91, 0x7e);
+ ov2640_write_reg(0x91, 0x88);
+ ov2640_write_reg(0x91, 0x8f);
+ ov2640_write_reg(0x91, 0x96);
+ ov2640_write_reg(0x91, 0xa3);
+ ov2640_write_reg(0x91, 0xaf);
+ ov2640_write_reg(0x91, 0xc4);
+ ov2640_write_reg(0x91, 0xd7);
+ ov2640_write_reg(0x91, 0xe8);
+ ov2640_write_reg(0x91, 0x20);
+
+ ov2640_write_reg(0x92, 0x00);
+ ov2640_write_reg(0x93, 0x06);
+ ov2640_write_reg(0x93, 0xe3);
+ ov2640_write_reg(0x93, 0x03);
+ ov2640_write_reg(0x93, 0x03);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x02);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+ ov2640_write_reg(0x93, 0x00);
+
+ ov2640_write_reg(0x96, 0x00);
+ ov2640_write_reg(0x97, 0x08);
+ ov2640_write_reg(0x97, 0x19);
+ ov2640_write_reg(0x97, 0x02);
+ ov2640_write_reg(0x97, 0x0c);
+ ov2640_write_reg(0x97, 0x24);
+ ov2640_write_reg(0x97, 0x30);
+ ov2640_write_reg(0x97, 0x28);
+ ov2640_write_reg(0x97, 0x26);
+ ov2640_write_reg(0x97, 0x02);
+ ov2640_write_reg(0x97, 0x98);
+ ov2640_write_reg(0x97, 0x80);
+ ov2640_write_reg(0x97, 0x00);
+ ov2640_write_reg(0x97, 0x00);
+
+ ov2640_write_reg(0xa4, 0x00);
+ ov2640_write_reg(0xa8, 0x00);
+ ov2640_write_reg(0xc5, 0x11);
+ ov2640_write_reg(0xc6, 0x51);
+ ov2640_write_reg(0xbf, 0x80);
+ ov2640_write_reg(0xc7, 0x10);
+ ov2640_write_reg(0xb6, 0x66);
+ ov2640_write_reg(0xb8, 0xa5);
+ ov2640_write_reg(0xb7, 0x64);
+ ov2640_write_reg(0xb9, 0x7c);
+ ov2640_write_reg(0xb3, 0xaf);
+ ov2640_write_reg(0xb4, 0x97);
+ ov2640_write_reg(0xb5, 0xff);
+ ov2640_write_reg(0xb0, 0xc5);
+ ov2640_write_reg(0xb1, 0x94);
+ ov2640_write_reg(0xb2, 0x0f);
+ ov2640_write_reg(0xc4, 0x5c);
+
+ ov2640_write_reg(0xa6, 0x00);
+ ov2640_write_reg(0xa7, 0x20);
+ ov2640_write_reg(0xa7, 0xd8);
+ ov2640_write_reg(0xa7, 0x1b);
+ ov2640_write_reg(0xa7, 0x31);
+ ov2640_write_reg(0xa7, 0x00);
+ ov2640_write_reg(0xa7, 0x18);
+ ov2640_write_reg(0xa7, 0x20);
+ ov2640_write_reg(0xa7, 0xd8);
+ ov2640_write_reg(0xa7, 0x19);
+ ov2640_write_reg(0xa7, 0x31);
+ ov2640_write_reg(0xa7, 0x00);
+ ov2640_write_reg(0xa7, 0x18);
+ ov2640_write_reg(0xa7, 0x20);
+ ov2640_write_reg(0xa7, 0xd8);
+ ov2640_write_reg(0xa7, 0x19);
+ ov2640_write_reg(0xa7, 0x31);
+ ov2640_write_reg(0xa7, 0x00);
+ ov2640_write_reg(0xa7, 0x18);
+
+ ov2640_write_reg(0xc0, 0x64);
+ ov2640_write_reg(0xc1, 0x4b);
+ ov2640_write_reg(0x86, 0x1d);
+ ov2640_write_reg(0x50, 0x00);
+ ov2640_write_reg(0x51, 0xc8);
+ ov2640_write_reg(0x52, 0x96);
+ ov2640_write_reg(0x53, 0x00);
+ ov2640_write_reg(0x54, 0x00);
+ ov2640_write_reg(0x55, 0x00);
+ ov2640_write_reg(0x57, 0x00);
+ ov2640_write_reg(0x5a, 0xc8);
+ ov2640_write_reg(0x5b, 0x96);
+ ov2640_write_reg(0x5c, 0x00);
+ ov2640_write_reg(0xc3, 0xef);
+ ov2640_write_reg(0x7f, 0x00);
+ ov2640_write_reg(0xda, 0x01);
+ ov2640_write_reg(0xe5, 0x1f);
+ ov2640_write_reg(0xe1, 0x67);
+ ov2640_write_reg(0xe0, 0x00);
+ ov2640_write_reg(0xdd, 0x7f);
+ ov2640_write_reg(0x05, 0x00);
+
+ return 0;
+}
+
+/*!
+ * ov2640 sensor interface Initialization
+ * @param param sensor_interface *
+ * @param width u32
+ * @param height u32
+ * @return None
+ */
+static void ov2640_interface(sensor_interface * param, u32 width, u32 height)
+{
+ param->Vsync_pol = 0x0;
+ param->clk_mode = 0x0; /* gated */
+ param->pixclk_pol = 0x0;
+ param->data_width = 0x1;
+ param->data_pol = 0x0;
+ param->ext_vsync = 0x0;
+ param->Vsync_pol = 0x0;
+ param->Hsync_pol = 0x0;
+ param->width = width - 1;
+ param->height = height - 1;
+ param->pixel_fmt = IPU_PIX_FMT_UYVY;
+ param->mclk = 27000000;
+}
+
+static void
+ov2640_set_color(int bright, int saturation, int red, int green, int blue)
+{
+ return;
+}
+
+static void
+ov2640_get_color(int *bright, int *saturation, int *red, int *green, int *blue)
+{
+ return;
+}
+
+static void ov2640_set_ae_mode(int ae_mode)
+{
+ return;
+}
+
+static void ov2640_get_ae_mode(int *ae_mode)
+{
+ return;
+}
+
+extern void gpio_sensor_active(void);
+extern cam_data *g_cam;
+
+static sensor_interface *ov2640_config(int *frame_rate, int high_quality)
+{
+ u32 out_width, out_height;
+ PMIC_STATUS ret;
+ t_regulator_voltage voltage;
+
+ /* AVDD--2.8v */
+ voltage.vmmc1 = VMMC1_2_8V;
+ if ((ret = pmic_power_regulator_set_voltage(REGU_VMMC1, voltage)) < 0) {
+ PRINTK("%s:vmmc1 set voltage error:%d\n", __func__, ret);
+ return NULL;
+ } else {
+ PRINTK("%s:vmmc1 set voltage ok\n", __func__);
+ }
+
+ if ((ret = pmic_power_regulator_on(REGU_VMMC1)) < 0) {
+ PRINTK("%s:vmmc1 power on error:%d\n", __func__, ret);
+ return NULL;
+ } else {
+ PRINTK("%s:vmmc1 power on ok\n", __func__);
+ }
+
+ /* DVDD--1.3v */
+ voltage.vvib = VVIB_1_3V;
+ if ((ret = pmic_power_regulator_set_voltage(REGU_VVIB, voltage)) < 0) {
+ PRINTK("%s:VVIB set voltage error:%d\n", __func__, ret);
+ return NULL;
+ } else {
+ PRINTK("%s:VVIB set voltage ok\n", __func__);
+ }
+ if ((ret = pmic_power_regulator_on(REGU_VVIB)) < 0) {
+ PRINTK("%s:VVIB power regulator on error:%d\n", __func__, ret);
+ return NULL;
+ } else {
+ PRINTK("%s:VVIB power on ok\n", __func__);
+ }
+
+ /* DOVDD--2v(1.8-3.0) */
+ voltage.sw2b = SW2B_2V;
+ if ((ret = pmic_power_regulator_set_voltage(SW_SW2B, voltage)) < 0) {
+ PRINTK("%s:SW2B set voltage error:%d\n", __func__, ret);
+ return NULL;
+ } else {
+ PRINTK("%s:SW2B set voltage ok\n", __func__);
+ }
+ if (pmic_power_set_regen_assig(REGU_GPO3, 1) < 0) {
+ PRINTK("%s:set_regen_assig error\n", __func__);
+ return NULL;
+ } else {
+ PRINTK("%s:set_regen_assig ok\n", __func__);
+ }
+ if ((ret = pmic_power_regulator_on(REGU_GPO3)) < 0) {
+ PRINTK("%s:REGU_GPO3 power on error:%d\n", __func__, ret);
+ return NULL;
+ } else {
+ PRINTK("%s:REGU_GPO3 power on ok\n", __func__);
+ }
+ PRINTK("%s:OV2640 power on ok\n", __func__);
+ gpio_sensor_active();
+
+ if (high_quality) {
+ out_width = 1600;
+ out_height = 1120;
+ g_cam->crop_bounds.left = 0;
+ g_cam->crop_bounds.width = 1600;
+ g_cam->crop_bounds.top = 0;
+ g_cam->crop_bounds.height = 1120;
+ g_cam->crop_current = g_cam->crop_defrect = g_cam->crop_bounds;
+ ipu_csi_set_window_size(g_cam->crop_current.width,
+ g_cam->crop_current.height);
+ ipu_csi_set_window_pos(g_cam->crop_current.left,
+ g_cam->crop_current.top);
+ g_cam->streamparm.parm.capture.capturemode = 1;
+ } else {
+ out_width = 640;
+ out_height = 480;
+ g_cam->crop_bounds.left = 0;
+ g_cam->crop_bounds.width = 640;
+ g_cam->crop_bounds.top = 0;
+ g_cam->crop_bounds.height = 480;
+ g_cam->crop_current = g_cam->crop_defrect = g_cam->crop_bounds;
+ ipu_csi_set_window_size(g_cam->crop_current.width,
+ g_cam->crop_current.height);
+ ipu_csi_set_window_pos(g_cam->crop_current.left,
+ g_cam->crop_current.top);
+ g_cam->streamparm.parm.capture.capturemode = 0;
+ }
+ ov2640_interface(interface_param, out_width, out_height);
+ set_mclk_rate(&interface_param->mclk);
+
+ if (high_quality) {
+ ov2640_init_1600_1120();
+ } else {
+ ov2640_init_800_600();
+ }
+ return interface_param;
+}
+
+static sensor_interface *ov2640_reset(void)
+{
+ return ov2640_config(&reset_frame_rate, 0);
+}
+
+struct camera_sensor camera_sensor_if = {
+ .set_color = ov2640_set_color,
+ .get_color = ov2640_get_color,
+ .set_ae_mode = ov2640_set_ae_mode,
+ .get_ae_mode = ov2640_get_ae_mode,
+ .config = ov2640_config,
+ .reset = ov2640_reset,
+};
+
+EXPORT_SYMBOL(camera_sensor_if);
+
+/*!
+ * ov2640 init function
+ *
+ * @return Error code indicating success or failure
+ */
+static __init int ov2640_init(void)
+{
+ u8 err;
+
+ err = i2c_add_driver(&ov2640_i2c_driver);
+
+ return err;
+}
+
+extern void gpio_sensor_inactive(void);
+/*!
+ * OV2640 cleanup function
+ *
+ * @return Error code indicating success or failure
+ */
+static void __exit ov2640_clean(void)
+{
+ i2c_del_driver(&ov2640_i2c_driver);
+
+ gpio_sensor_inactive();
+}
+
+module_init(ov2640_init);
+module_exit(ov2640_clean);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("OV2640 Camera Driver");
+MODULE_LICENSE("GPL");
projects / linux.git / commitdiff