diff options
Diffstat (limited to 'drivers/media/video/mxc/capture/emma_ov2640.c')
| -rw-r--r-- | drivers/media/video/mxc/capture/emma_ov2640.c | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/drivers/media/video/mxc/capture/emma_ov2640.c b/drivers/media/video/mxc/capture/emma_ov2640.c new file mode 100644 index 000000000000..ceffea4d52a9 --- /dev/null +++ b/drivers/media/video/mxc/capture/emma_ov2640.c @@ -0,0 +1,444 @@ +/* + * Copyright 2005-2009 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 <linux/regulator/consumer.h> + +#include "mxc_v4l2_capture.h" + +enum ov2640_mode { + ov2640_mode_1600_1120, + ov2640_mode_800_600 +}; + +struct reg_value { + u8 reg; + u8 value; + int delay_ms; +}; + +static struct reg_value ov2640_setting_1600_1120[] = { + {0xff, 0x1, 0}, {0x12, 0x80, 1}, {0xff, 0, 0}, {0x2c, 0xff, 0}, + {0x2e, 0xdf, 0}, {0xff, 0x1, 0}, {0x3c, 0x32, 0}, {0x11, 0x01, 0}, + {0x09, 0x00, 0}, {0x04, 0x28, 0}, {0x13, 0xe5, 0}, {0x14, 0x48, 0}, + {0x2c, 0x0c, 0}, {0x33, 0x78, 0}, {0x3a, 0x33, 0}, {0x3b, 0xfb, 0}, + {0x3e, 0x00, 0}, {0x43, 0x11, 0}, {0x16, 0x10, 0}, {0x39, 0x82, 0}, + {0x35, 0x88, 0}, {0x22, 0x0a, 0}, {0x37, 0x40, 0}, {0x23, 0x00, 0}, + {0x34, 0xa0, 0}, {0x36, 0x1a, 0}, {0x06, 0x02, 0}, {0x07, 0xc0, 0}, + {0x0d, 0xb7, 0}, {0x0e, 0x01, 0}, {0x4c, 0x00, 0}, {0x4a, 0x81, 0}, + {0x21, 0x99, 0}, {0x24, 0x40, 0}, {0x25, 0x38, 0}, {0x26, 0x82, 0}, + {0x5c, 0x00, 0}, {0x63, 0x00, 0}, {0x46, 0x3f, 0}, {0x0c, 0x3c, 0}, + {0x5d, 0x55, 0}, {0x5e, 0x7d, 0}, {0x5f, 0x7d, 0}, {0x60, 0x55, 0}, + {0x61, 0x70, 0}, {0x62, 0x80, 0}, {0x7c, 0x05, 0}, {0x20, 0x80, 0}, + {0x28, 0x30, 0}, {0x6c, 0x00, 0}, {0x6d, 0x80, 0}, {0x6e, 00, 0}, + {0x70, 0x02, 0}, {0x71, 0x94, 0}, {0x73, 0xc1, 0}, {0x3d, 0x34, 0}, + {0x5a, 0x57, 0}, {0x4f, 0xbb, 0}, {0x50, 0x9c, 0}, {0xff, 0x00, 0}, + {0xe5, 0x7f, 0}, {0xf9, 0xc0, 0}, {0x41, 0x24, 0}, {0x44, 0x06, 0}, + {0xe0, 0x14, 0}, {0x76, 0xff, 0}, {0x33, 0xa0, 0}, {0x42, 0x20, 0}, + {0x43, 0x18, 0}, {0x4c, 0x00, 0}, {0x87, 0xd0, 0}, {0xd7, 0x03, 0}, + {0xd9, 0x10, 0}, {0xd3, 0x82, 0}, {0xc8, 0x08, 0}, {0xc9, 0x80, 0}, + {0x7c, 0x00, 0}, {0x7d, 0x00, 0}, {0x7c, 0x03, 0}, {0x7d, 0x48, 0}, + {0x7d, 0x48, 0}, {0x7c, 0x08, 0}, {0x7d, 0x20, 0}, {0x7d, 0x10, 0}, + {0x7d, 0x0e, 0}, {0x90, 0x00, 0}, {0x91, 0x0e, 0}, {0x91, 0x1a, 0}, + {0x91, 0x31, 0}, {0x91, 0x5a, 0}, {0x91, 0x69, 0}, {0x91, 0x75, 0}, + {0x91, 0x7e, 0}, {0x91, 0x88, 0}, {0x91, 0x8f, 0}, {0x91, 0x96, 0}, + {0x91, 0xa3, 0}, {0x91, 0xaf, 0}, {0x91, 0xc4, 0}, {0x91, 0xd7, 0}, + {0x91, 0xe8, 0}, {0x91, 0x20, 0}, {0x92, 0x00, 0}, {0x93, 0x06, 0}, + {0x93, 0xe3, 0}, {0x93, 0x03, 0}, {0x93, 0x03, 0}, {0x93, 0x00, 0}, + {0x93, 0x02, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, + {0x93, 0x00, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, + {0x96, 0x00, 0}, {0x97, 0x08, 0}, {0x97, 0x19, 0}, {0x97, 0x02, 0}, + {0x97, 0x0c, 0}, {0x97, 0x24, 0}, {0x97, 0x30, 0}, {0x97, 0x28, 0}, + {0x97, 0x26, 0}, {0x97, 0x02, 0}, {0x97, 0x98, 0}, {0x97, 0x80, 0}, + {0x97, 0x00, 0}, {0x97, 0x00, 0}, {0xa4, 0x00, 0}, {0xa8, 0x00, 0}, + {0xc5, 0x11, 0}, {0xc6, 0x51, 0}, {0xbf, 0x80, 0}, {0xc7, 0x10, 0}, + {0xb6, 0x66, 0}, {0xb8, 0xa5, 0}, {0xb7, 0x64, 0}, {0xb9, 0x7c, 0}, + {0xb3, 0xaf, 0}, {0xb4, 0x97, 0}, {0xb5, 0xff, 0}, {0xb0, 0xc5, 0}, + {0xb1, 0x94, 0}, {0xb2, 0x0f, 0}, {0xc4, 0x5c, 0}, {0xa6, 0x00, 0}, + {0xa7, 0x20, 0}, {0xa7, 0xd8, 0}, {0xa7, 0x1b, 0}, {0xa7, 0x31, 0}, + {0xa7, 0x00, 0}, {0xa7, 0x18, 0}, {0xa7, 0x20, 0}, {0xa7, 0xd8, 0}, + {0xa7, 0x19, 0}, {0xa7, 0x31, 0}, {0xa7, 0x00, 0}, {0xa7, 0x18, 0}, + {0xa7, 0x20, 0}, {0xa7, 0xd8, 0}, {0xa7, 0x19, 0}, {0xa7, 0x31, 0}, + {0xa7, 0x00, 0}, {0xa7, 0x18, 0}, {0xc0, 0xc8, 0}, {0xc1, 0x96, 0}, + {0x86, 0x3d, 0}, {0x50, 0x00, 0}, {0x51, 0x90, 0}, {0x52, 0x18, 0}, + {0x53, 0x00, 0}, {0x54, 0x00, 0}, {0x55, 0x88, 0}, {0x57, 0x00, 0}, + {0x5a, 0x90, 0}, {0x5b, 0x18, 0}, {0x5c, 0x05, 0}, {0xc3, 0xef, 0}, + {0x7f, 0x00, 0}, {0xda, 0x01, 0}, {0xe5, 0x1f, 0}, {0xe1, 0x67, 0}, + {0xe0, 0x00, 0}, {0xdd, 0x7f, 0}, {0x05, 0x00, 0} +}; + +static struct reg_value ov2640_setting_800_600[] = { + {0xff, 0, 0}, {0xff, 1, 0}, {0x12, 0x80, 1}, {0xff, 00, 0}, + {0x2c, 0xff, 0}, {0x2e, 0xdf, 0}, {0xff, 0x1, 0}, {0x3c, 0x32, 0}, + {0x11, 0x01, 0}, {0x09, 0x00, 0}, {0x04, 0x28, 0}, {0x13, 0xe5, 0}, + {0x14, 0x48, 0}, {0x2c, 0x0c, 0}, {0x33, 0x78, 0}, {0x3a, 0x33, 0}, + {0x3b, 0xfb, 0}, {0x3e, 0x00, 0}, {0x43, 0x11, 0}, {0x16, 0x10, 0}, + {0x39, 0x92, 0}, {0x35, 0xda, 0}, {0x22, 0x1a, 0}, {0x37, 0xc3, 0}, + {0x23, 0x00, 0}, {0x34, 0xc0, 0}, {0x36, 0x1a, 0}, {0x06, 0x88, 0}, + {0x07, 0xc0, 0}, {0x0d, 0x87, 0}, {0x0e, 0x41, 0}, {0x4c, 0x00, 0}, + {0x4a, 0x81, 0}, {0x21, 0x99, 0}, {0x24, 0x40, 0}, {0x25, 0x38, 0}, + {0x26, 0x82, 0}, {0x5c, 0x00, 0}, {0x63, 0x00, 0}, {0x46, 0x22, 0}, + {0x0c, 0x3c, 0}, {0x5d, 0x55, 0}, {0x5e, 0x7d, 0}, {0x5f, 0x7d, 0}, + {0x60, 0x55, 0}, {0x61, 0x70, 0}, {0x62, 0x80, 0}, {0x7c, 0x05, 0}, + {0x20, 0x80, 0}, {0x28, 0x30, 0}, {0x6c, 0x00, 0}, {0x6d, 0x80, 0}, + {0x6e, 00, 0}, {0x70, 0x02, 0}, {0x71, 0x94, 0}, {0x73, 0xc1, 0}, + {0x12, 0x40, 0}, {0x17, 0x11, 0}, {0x18, 0x43, 0}, {0x19, 0x00, 0}, + {0x1a, 0x4b, 0}, {0x32, 0x09, 0}, {0x37, 0xc0, 0}, {0x4f, 0xca, 0}, + {0x50, 0xa8, 0}, {0x6d, 0x00, 0}, {0x3d, 0x38, 0}, {0xff, 0x00, 0}, + {0xe5, 0x7f, 0}, {0xf9, 0xc0, 0}, {0x41, 0x24, 0}, {0x44, 0x06, 0}, + {0xe0, 0x14, 0}, {0x76, 0xff, 0}, {0x33, 0xa0, 0}, {0x42, 0x20, 0}, + {0x43, 0x18, 0}, {0x4c, 0x00, 0}, {0x87, 0xd0, 0}, {0x88, 0x3f, 0}, + {0xd7, 0x03, 0}, {0xd9, 0x10, 0}, {0xd3, 0x82, 0}, {0xc8, 0x08, 0}, + {0xc9, 0x80, 0}, {0x7c, 0x00, 0}, {0x7d, 0x00, 0}, {0x7c, 0x03, 0}, + {0x7d, 0x48, 0}, {0x7d, 0x48, 0}, {0x7c, 0x08, 0}, {0x7d, 0x20, 0}, + {0x7d, 0x10, 0}, {0x7d, 0x0e, 0}, {0x90, 0x00, 0}, {0x91, 0x0e, 0}, + {0x91, 0x1a, 0}, {0x91, 0x31, 0}, {0x91, 0x5a, 0}, {0x91, 0x69, 0}, + {0x91, 0x75, 0}, {0x91, 0x7e, 0}, {0x91, 0x88, 0}, {0x91, 0x8f, 0}, + {0x91, 0x96, 0}, {0x91, 0xa3, 0}, {0x91, 0xaf, 0}, {0x91, 0xc4, 0}, + {0x91, 0xd7, 0}, {0x91, 0xe8, 0}, {0x91, 0x20, 0}, {0x92, 0x00, 0}, + {0x93, 0x06, 0}, {0x93, 0xe3, 0}, {0x93, 0x03, 0}, {0x93, 0x03, 0}, + {0x93, 0x00, 0}, {0x93, 0x02, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, + {0x93, 0x00, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, {0x93, 0x00, 0}, + {0x93, 0x00, 0}, {0x96, 0x00, 0}, {0x97, 0x08, 0}, {0x97, 0x19, 0}, + {0x97, 0x02, 0}, {0x97, 0x0c, 0}, {0x97, 0x24, 0}, {0x97, 0x30, 0}, + {0x97, 0x28, 0}, {0x97, 0x26, 0}, {0x97, 0x02, 0}, {0x97, 0x98, 0}, + {0x97, 0x80, 0}, {0x97, 0x00, 0}, {0x97, 0x00, 0}, {0xa4, 0x00, 0}, + {0xa8, 0x00, 0}, {0xc5, 0x11, 0}, {0xc6, 0x51, 0}, {0xbf, 0x80, 0}, + {0xc7, 0x10, 0}, {0xb6, 0x66, 0}, {0xb8, 0xa5, 0}, {0xb7, 0x64, 0}, + {0xb9, 0x7c, 0}, {0xb3, 0xaf, 0}, {0xb4, 0x97, 0}, {0xb5, 0xff, 0}, + {0xb0, 0xc5, 0}, {0xb1, 0x94, 0}, {0xb2, 0x0f, 0}, {0xc4, 0x5c, 0}, + {0xa6, 0x00, 0}, {0xa7, 0x20, 0}, {0xa7, 0xd8, 0}, {0xa7, 0x1b, 0}, + {0xa7, 0x31, 0}, {0xa7, 0x00, 0}, {0xa7, 0x18, 0}, {0xa7, 0x20, 0}, + {0xa7, 0xd8, 0}, {0xa7, 0x19, 0}, {0xa7, 0x31, 0}, {0xa7, 0x00, 0}, + {0xa7, 0x18, 0}, {0xa7, 0x20, 0}, {0xa7, 0xd8, 0}, {0xa7, 0x19, 0}, + {0xa7, 0x31, 0}, {0xa7, 0x00, 0}, {0xa7, 0x18, 0}, {0xc0, 0x64, 0}, + {0xc1, 0x4b, 0}, {0x86, 0x1d, 0}, {0x50, 0x00, 0}, {0x51, 0xc8, 0}, + {0x52, 0x96, 0}, {0x53, 0x00, 0}, {0x54, 0x00, 0}, {0x55, 0x00, 0}, + {0x57, 0x00, 0}, {0x5a, 0xc8, 0}, {0x5b, 0x96, 0}, {0x5c, 0x00, 0}, + {0xc3, 0xef, 0}, {0x7f, 0x00, 0}, {0xda, 0x01, 0}, {0xe5, 0x1f, 0}, + {0xe1, 0x67, 0}, {0xe0, 0x00, 0}, {0xdd, 0x7f, 0}, {0x05, 0x00, 0} +}; + +static struct regulator *io_regulator; +static struct regulator *core_regulator; +static struct regulator *analog_regulator; +static struct regulator *gpo_regulator; +u32 mclk = 24000000; + +struct i2c_client *ov2640_i2c_client; + +static sensor_interface *interface_param; +static int reset_frame_rate = 30; +static int ov2640_probe(struct i2c_client *adapter, + const struct i2c_device_id *id); +static int ov2640_remove(struct i2c_client *client); + +static const struct i2c_device_id ov2640_id[] = { + {"ov2640", 0}, + {}, +}; + +MODULE_DEVICE_TABLE(i2c, ov2640_id); + +static struct i2c_driver ov2640_i2c_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "ov2640", + }, + .probe = ov2640_probe, + .remove = ov2640_remove, + .id_table = ov2640_id, +}; + +/*! + * ov2640 I2C attach function + * + * @param adapter struct i2c_adapter * + * @return Error code indicating success or failure + */ +static int ov2640_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct mxc_camera_platform_data *plat_data = client->dev.platform_data; + + ov2640_i2c_client = client; + mclk = plat_data->mclk; + + io_regulator = regulator_get(&client->dev, plat_data->io_regulator); + core_regulator = regulator_get(&client->dev, plat_data->core_regulator); + analog_regulator = + regulator_get(&client->dev, plat_data->analog_regulator); + gpo_regulator = regulator_get(&client->dev, plat_data->gpo_regulator); + + interface_param = (sensor_interface *) + kmalloc(sizeof(sensor_interface), GFP_KERNEL); + if (!interface_param) { + dev_dbg(&ov2640_i2c_client->dev, + "ov2640_probe: 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_remove(struct i2c_client *client) +{ + kfree(interface_param); + interface_param = NULL; + + if (!IS_ERR_VALUE((unsigned long)io_regulator)) { + regulator_disable(io_regulator); + regulator_put(io_regulator); + } + + if (!IS_ERR_VALUE((unsigned long)core_regulator)) { + regulator_disable(core_regulator); + regulator_put(core_regulator); + } + + if (!IS_ERR_VALUE((unsigned long)gpo_regulator)) { + regulator_disable(gpo_regulator); + regulator_put(gpo_regulator); + } + + if (!IS_ERR_VALUE((unsigned long)analog_regulator)) { + regulator_disable(analog_regulator); + regulator_put(analog_regulator); + } + + return 0; +} + +static int ov2640_write_reg(u8 reg, u8 val) +{ + if (i2c_smbus_write_byte_data(ov2640_i2c_client, reg, val) < 0) { + dev_dbg(&ov2640_i2c_client->dev, + "%s:write reg errorr:reg=%x,val=%x\n", __func__, reg, + val); + return -1; + } + return 0; +} + +static int ov2640_init_mode(enum ov2640_mode mode) +{ + struct reg_value *setting; + int i, num; + + switch (mode) { + case ov2640_mode_1600_1120: + setting = ov2640_setting_1600_1120; + num = ARRAY_SIZE(ov2640_setting_1600_1120); + break; + case ov2640_mode_800_600: + setting = ov2640_setting_800_600; + num = ARRAY_SIZE(ov2640_setting_800_600); + break; + default: + return 0; + } + + for (i = 0; i < num; i++) { + ov2640_write_reg(setting[i].reg, setting[i].value); + if (setting[i].delay_ms > 0) + msleep(setting[i].delay_ms); + } + + 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->active_width = width; + param->active_height = height; + param->pixel_fmt = IPU_PIX_FMT_UYVY; + param->mclk = mclk; +} + +static void ov2640_set_color(int bright, int saturation, int red, int green, + int blue) +{ + +} + +static void ov2640_get_color(int *bright, int *saturation, int *red, int *green, + int *blue) +{ + +} +static void ov2640_set_ae_mode(int ae_mode) +{ + +} +static void ov2640_get_ae_mode(int *ae_mode) +{ + +} + +extern void gpio_sensor_active(void); + +static sensor_interface *ov2640_config(int *frame_rate, int high_quality) +{ + + u32 out_width, out_height; + + /*set io votage */ + if (!IS_ERR_VALUE((unsigned long)io_regulator)) { + regulator_set_voltage(io_regulator, 2800000, 2800000); + if (regulator_enable(io_regulator) != 0) { + dev_dbg(&ov2640_i2c_client->dev, + "%s:io set voltage error\n", __func__); + return NULL; + } else { + dev_dbg(&ov2640_i2c_client->dev, + "%s:io set voltage ok\n", __func__); + } + } + + /*core votage */ + if (!IS_ERR_VALUE((unsigned long)core_regulator)) { + regulator_set_voltage(core_regulator, 1300000, 1300000); + if (regulator_enable(core_regulator) != 0) { + dev_dbg(&ov2640_i2c_client->dev, + "%s:core set voltage error\n", __func__); + return NULL; + } else { + dev_dbg(&ov2640_i2c_client->dev, + "%s:core set voltage ok\n", __func__); + } + } + + /*GPO 3 */ + if (!IS_ERR_VALUE((unsigned long)gpo_regulator)) { + if (regulator_enable(gpo_regulator) != 0) { + dev_dbg(&ov2640_i2c_client->dev, + "%s:gpo3 enable error\n", __func__); + return NULL; + } else { + dev_dbg(&ov2640_i2c_client->dev, "%s:gpo3 enable ok\n", + __func__); + } + } + + if (!IS_ERR_VALUE((unsigned long)analog_regulator)) { + regulator_set_voltage(analog_regulator, 2000000, 2000000); + if (regulator_enable(analog_regulator) != 0) { + dev_dbg(&ov2640_i2c_client->dev, + "%s:analog set voltage error\n", __func__); + return NULL; + } else { + dev_dbg(&ov2640_i2c_client->dev, + "%s:analog set voltage ok\n", __func__); + } + } + + gpio_sensor_active(); + + if (high_quality) { + out_width = 1600; + out_height = 1120; + } else { + out_width = 800; + out_height = 600; + } + ov2640_interface(interface_param, out_width, out_height); + set_mclk_rate(&interface_param->mclk); + + if (high_quality) + ov2640_init_mode(ov2640_mode_1600_1120); + else + ov2640_init_mode(ov2640_mode_800_600); + + msleep(300); + + 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"); |