diff options
Diffstat (limited to 'kernel/drivers/media/usb/gspca/m5602')
17 files changed, 5254 insertions, 0 deletions
diff --git a/kernel/drivers/media/usb/gspca/m5602/Kconfig b/kernel/drivers/media/usb/gspca/m5602/Kconfig new file mode 100644 index 000000000..5a69016ed --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/Kconfig @@ -0,0 +1,11 @@ +config USB_M5602 + tristate "ALi USB m5602 Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the + ALi m5602 connected to various image sensors. + + See <file:Documentation/video4linux/m5602.txt> for more info. + + To compile this driver as a module, choose M here: the + module will be called gspca_m5602. diff --git a/kernel/drivers/media/usb/gspca/m5602/Makefile b/kernel/drivers/media/usb/gspca/m5602/Makefile new file mode 100644 index 000000000..8e1fb5a1d --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/Makefile @@ -0,0 +1,11 @@ +obj-$(CONFIG_USB_M5602) += gspca_m5602.o + +gspca_m5602-objs := m5602_core.o \ + m5602_ov9650.o \ + m5602_ov7660.o \ + m5602_mt9m111.o \ + m5602_po1030.o \ + m5602_s5k83a.o \ + m5602_s5k4aa.o + +ccflags-y += -I$(srctree)/drivers/media/usb/gspca diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_bridge.h b/kernel/drivers/media/usb/gspca/m5602/m5602_bridge.h new file mode 100644 index 000000000..19eb1a64f --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_bridge.h @@ -0,0 +1,180 @@ +/* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_BRIDGE_H_ +#define M5602_BRIDGE_H_ + +#include <linux/slab.h> +#include "gspca.h" + +#define MODULE_NAME "ALi m5602" + +/*****************************************************************************/ + +#define M5602_XB_SENSOR_TYPE 0x00 +#define M5602_XB_SENSOR_CTRL 0x01 +#define M5602_XB_LINE_OF_FRAME_H 0x02 +#define M5602_XB_LINE_OF_FRAME_L 0x03 +#define M5602_XB_PIX_OF_LINE_H 0x04 +#define M5602_XB_PIX_OF_LINE_L 0x05 +#define M5602_XB_VSYNC_PARA 0x06 +#define M5602_XB_HSYNC_PARA 0x07 +#define M5602_XB_TEST_MODE_1 0x08 +#define M5602_XB_TEST_MODE_2 0x09 +#define M5602_XB_SIG_INI 0x0a +#define M5602_XB_DS_PARA 0x0e +#define M5602_XB_TRIG_PARA 0x0f +#define M5602_XB_CLK_PD 0x10 +#define M5602_XB_MCU_CLK_CTRL 0x12 +#define M5602_XB_MCU_CLK_DIV 0x13 +#define M5602_XB_SEN_CLK_CTRL 0x14 +#define M5602_XB_SEN_CLK_DIV 0x15 +#define M5602_XB_AUD_CLK_CTRL 0x16 +#define M5602_XB_AUD_CLK_DIV 0x17 +#define M5602_OB_AC_LINK_STATE 0x22 +#define M5602_OB_PCM_SLOT_INDEX 0x24 +#define M5602_OB_GPIO_SLOT_INDEX 0x25 +#define M5602_OB_ACRX_STATUS_ADDRESS_H 0x28 +#define M5602_OB_ACRX_STATUS_DATA_L 0x29 +#define M5602_OB_ACRX_STATUS_DATA_H 0x2a +#define M5602_OB_ACTX_COMMAND_ADDRESS 0x31 +#define M5602_OB_ACRX_COMMAND_DATA_L 0x32 +#define M5602_OB_ACTX_COMMAND_DATA_H 0X33 +#define M5602_XB_DEVCTR1 0x41 +#define M5602_XB_EPSETR0 0x42 +#define M5602_XB_EPAFCTR 0x47 +#define M5602_XB_EPBFCTR 0x49 +#define M5602_XB_EPEFCTR 0x4f +#define M5602_XB_TEST_REG 0x53 +#define M5602_XB_ALT2SIZE 0x54 +#define M5602_XB_ALT3SIZE 0x55 +#define M5602_XB_OBSFRAME 0x56 +#define M5602_XB_PWR_CTL 0x59 +#define M5602_XB_ADC_CTRL 0x60 +#define M5602_XB_ADC_DATA 0x61 +#define M5602_XB_MISC_CTRL 0x62 +#define M5602_XB_SNAPSHOT 0x63 +#define M5602_XB_SCRATCH_1 0x64 +#define M5602_XB_SCRATCH_2 0x65 +#define M5602_XB_SCRATCH_3 0x66 +#define M5602_XB_SCRATCH_4 0x67 +#define M5602_XB_I2C_CTRL 0x68 +#define M5602_XB_I2C_CLK_DIV 0x69 +#define M5602_XB_I2C_DEV_ADDR 0x6a +#define M5602_XB_I2C_REG_ADDR 0x6b +#define M5602_XB_I2C_DATA 0x6c +#define M5602_XB_I2C_STATUS 0x6d +#define M5602_XB_GPIO_DAT_H 0x70 +#define M5602_XB_GPIO_DAT_L 0x71 +#define M5602_XB_GPIO_DIR_H 0x72 +#define M5602_XB_GPIO_DIR_L 0x73 +#define M5602_XB_GPIO_EN_H 0x74 +#define M5602_XB_GPIO_EN_L 0x75 +#define M5602_XB_GPIO_DAT 0x76 +#define M5602_XB_GPIO_DIR 0x77 +#define M5602_XB_SEN_CLK_CONTROL 0x80 +#define M5602_XB_SEN_CLK_DIVISION 0x81 +#define M5602_XB_CPR_CLK_CONTROL 0x82 +#define M5602_XB_CPR_CLK_DIVISION 0x83 +#define M5602_XB_MCU_CLK_CONTROL 0x84 +#define M5602_XB_MCU_CLK_DIVISION 0x85 +#define M5602_XB_DCT_CLK_CONTROL 0x86 +#define M5602_XB_DCT_CLK_DIVISION 0x87 +#define M5602_XB_EC_CLK_CONTROL 0x88 +#define M5602_XB_EC_CLK_DIVISION 0x89 +#define M5602_XB_LBUF_CLK_CONTROL 0x8a +#define M5602_XB_LBUF_CLK_DIVISION 0x8b + +#define I2C_BUSY 0x80 + +/*****************************************************************************/ + +/* Driver info */ +#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project" +#define DRIVER_DESC "ALi m5602 webcam driver" + +#define M5602_ISOC_ENDPOINT_ADDR 0x81 +#define M5602_INTR_ENDPOINT_ADDR 0x82 + +#define M5602_URB_MSG_TIMEOUT 5000 + +/*****************************************************************************/ + +/* A skeleton used for sending messages to the m5602 bridge */ +static const unsigned char bridge_urb_skeleton[] = { + 0x13, 0x00, 0x81, 0x00 +}; + +/* A skeleton used for sending messages to the sensor */ +static const unsigned char sensor_urb_skeleton[] = { + 0x23, M5602_XB_GPIO_EN_H, 0x81, 0x06, + 0x23, M5602_XB_MISC_CTRL, 0x81, 0x80, + 0x13, M5602_XB_I2C_DEV_ADDR, 0x81, 0x00, + 0x13, M5602_XB_I2C_REG_ADDR, 0x81, 0x00, + 0x13, M5602_XB_I2C_DATA, 0x81, 0x00, + 0x13, M5602_XB_I2C_CTRL, 0x81, 0x11 +}; + +struct sd { + struct gspca_dev gspca_dev; + + /* A pointer to the currently connected sensor */ + const struct m5602_sensor *sensor; + + /* The current frame's id, used to detect frame boundaries */ + u8 frame_id; + + /* The current frame count */ + u32 frame_count; + + /* Camera rotation polling thread for "flipable" cams */ + struct task_struct *rotation_thread; + + struct { /* auto-white-bal + green/red/blue balance control cluster */ + struct v4l2_ctrl *auto_white_bal; + struct v4l2_ctrl *red_bal; + struct v4l2_ctrl *blue_bal; + struct v4l2_ctrl *green_bal; + }; + struct { /* autoexpo / expo cluster */ + struct v4l2_ctrl *autoexpo; + struct v4l2_ctrl *expo; + }; + struct { /* autogain / gain cluster */ + struct v4l2_ctrl *autogain; + struct v4l2_ctrl *gain; + }; + struct { /* hflip/vflip cluster */ + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; + }; +}; + +int m5602_read_bridge( + struct sd *sd, const u8 address, u8 *i2c_data); + +int m5602_write_bridge( + struct sd *sd, const u8 address, const u8 i2c_data); + +int m5602_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +int m5602_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_core.c b/kernel/drivers/media/usb/gspca/m5602/m5602_core.c new file mode 100644 index 000000000..d926e62cb --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_core.c @@ -0,0 +1,438 @@ + /* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_ov9650.h" +#include "m5602_ov7660.h" +#include "m5602_mt9m111.h" +#include "m5602_po1030.h" +#include "m5602_s5k83a.h" +#include "m5602_s5k4aa.h" + +/* Kernel module parameters */ +int force_sensor; +static bool dump_bridge; +bool dump_sensor; + +static const struct usb_device_id m5602_table[] = { + {USB_DEVICE(0x0402, 0x5602)}, + {} +}; + +MODULE_DEVICE_TABLE(usb, m5602_table); + +/* Reads a byte from the m5602 */ +int m5602_read_bridge(struct sd *sd, const u8 address, u8 *i2c_data) +{ + int err; + struct gspca_dev *gspca_dev = (struct gspca_dev *) sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + 0x04, 0xc0, 0x14, + 0x8100 + address, buf, + 1, M5602_URB_MSG_TIMEOUT); + *i2c_data = buf[0]; + + PDEBUG(D_CONF, "Reading bridge register 0x%x containing 0x%x", + address, *i2c_data); + + /* usb_control_msg(...) returns the number of bytes sent upon success, + mask that and return zero instead*/ + return (err < 0) ? err : 0; +} + +/* Writes a byte to the m5602 */ +int m5602_write_bridge(struct sd *sd, const u8 address, const u8 i2c_data) +{ + int err; + struct gspca_dev *gspca_dev = (struct gspca_dev *) sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + PDEBUG(D_CONF, "Writing bridge register 0x%x with 0x%x", + address, i2c_data); + + memcpy(buf, bridge_urb_skeleton, + sizeof(bridge_urb_skeleton)); + buf[1] = address; + buf[3] = i2c_data; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 4, M5602_URB_MSG_TIMEOUT); + + /* usb_control_msg(...) returns the number of bytes sent upon success, + mask that and return zero instead */ + return (err < 0) ? err : 0; +} + +static int m5602_wait_for_i2c(struct sd *sd) +{ + int err; + u8 data; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, &data); + } while ((data & I2C_BUSY) && !err); + return err; +} + +int m5602_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + struct gspca_dev *gspca_dev = (struct gspca_dev *) sd; + + if (!len || len > sd->sensor->i2c_regW) + return -EINVAL; + + err = m5602_wait_for_i2c(sd); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_I2C_DEV_ADDR, + sd->sensor->i2c_slave_id); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_I2C_REG_ADDR, address); + if (err < 0) + return err; + + /* Sensors with registers that are of only + one byte width are differently read */ + + /* FIXME: This works with the ov9650, but has issues with the po1030 */ + if (sd->sensor->i2c_regW == 1) { + err = m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 1); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x08); + } else { + err = m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x18 + len); + } + + for (i = 0; (i < len) && !err; i++) { + err = m5602_wait_for_i2c(sd); + if (err < 0) + return err; + + err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i])); + + PDEBUG(D_CONF, "Reading sensor register " + "0x%x containing 0x%x ", address, *i2c_data); + } + return err; +} + +int m5602_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + u8 *p; + struct gspca_dev *gspca_dev = (struct gspca_dev *) sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* No sensor with a data width larger than 16 bits has yet been seen */ + if (len > sd->sensor->i2c_regW || !len) + return -EINVAL; + + memcpy(buf, sensor_urb_skeleton, + sizeof(sensor_urb_skeleton)); + + buf[11] = sd->sensor->i2c_slave_id; + buf[15] = address; + + /* Special case larger sensor writes */ + p = buf + 16; + + /* Copy a four byte write sequence for each byte to be written to */ + for (i = 0; i < len; i++) { + memcpy(p, sensor_urb_skeleton + 16, 4); + p[3] = i2c_data[i]; + p += 4; + PDEBUG(D_CONF, "Writing sensor register 0x%x with 0x%x", + address, i2c_data[i]); + } + + /* Copy the tailer */ + memcpy(p, sensor_urb_skeleton + 20, 4); + + /* Set the total length */ + p[3] = 0x10 + len; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 20 + len * 4, M5602_URB_MSG_TIMEOUT); + + return (err < 0) ? err : 0; +} + +/* Dump all the registers of the m5602 bridge, + unfortunately this breaks the camera until it's power cycled */ +static void m5602_dump_bridge(struct sd *sd) +{ + int i; + for (i = 0; i < 0x80; i++) { + unsigned char val = 0; + m5602_read_bridge(sd, i, &val); + pr_info("ALi m5602 address 0x%x contains 0x%x\n", i, val); + } + pr_info("Warning: The ALi m5602 webcam probably won't work until it's power cycled\n"); +} + +static int m5602_probe_sensor(struct sd *sd) +{ + /* Try the po1030 */ + sd->sensor = &po1030; + if (!sd->sensor->probe(sd)) + return 0; + + /* Try the mt9m111 sensor */ + sd->sensor = &mt9m111; + if (!sd->sensor->probe(sd)) + return 0; + + /* Try the s5k4aa */ + sd->sensor = &s5k4aa; + if (!sd->sensor->probe(sd)) + return 0; + + /* Try the ov9650 */ + sd->sensor = &ov9650; + if (!sd->sensor->probe(sd)) + return 0; + + /* Try the ov7660 */ + sd->sensor = &ov7660; + if (!sd->sensor->probe(sd)) + return 0; + + /* Try the s5k83a */ + sd->sensor = &s5k83a; + if (!sd->sensor->probe(sd)) + return 0; + + /* More sensor probe function goes here */ + pr_info("Failed to find a sensor\n"); + sd->sensor = NULL; + return -ENODEV; +} + +static int m5602_configure(struct gspca_dev *gspca_dev, + const struct usb_device_id *id); + +static int m5602_init(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int err; + + PDEBUG(D_CONF, "Initializing ALi m5602 webcam"); + /* Run the init sequence */ + err = sd->sensor->init(sd); + + return err; +} + +static int m5602_init_controls(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (!sd->sensor->init_controls) + return 0; + + return sd->sensor->init_controls(sd); +} + +static int m5602_start_transfer(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + __u8 *buf = sd->gspca_dev.usb_buf; + int err; + + /* Send start command to the camera */ + const u8 buffer[4] = {0x13, 0xf9, 0x0f, 0x01}; + + if (sd->sensor->start) + sd->sensor->start(sd); + + memcpy(buf, buffer, sizeof(buffer)); + err = usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0x04, 0x40, 0x19, 0x0000, buf, + sizeof(buffer), M5602_URB_MSG_TIMEOUT); + + PDEBUG(D_STREAM, "Transfer started"); + return (err < 0) ? err : 0; +} + +static void m5602_urb_complete(struct gspca_dev *gspca_dev, + u8 *data, int len) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (len < 6) { + PDEBUG(D_PACK, "Packet is less than 6 bytes"); + return; + } + + /* Frame delimiter: ff xx xx xx ff ff */ + if (data[0] == 0xff && data[4] == 0xff && data[5] == 0xff && + data[2] != sd->frame_id) { + PDEBUG(D_FRAM, "Frame delimiter detected"); + sd->frame_id = data[2]; + + /* Remove the extra fluff appended on each header */ + data += 6; + len -= 6; + + /* Complete the last frame (if any) */ + gspca_frame_add(gspca_dev, LAST_PACKET, + NULL, 0); + sd->frame_count++; + + /* Create a new frame */ + gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); + + PDEBUG(D_FRAM, "Starting new frame %d", + sd->frame_count); + + } else { + int cur_frame_len; + + cur_frame_len = gspca_dev->image_len; + /* Remove urb header */ + data += 4; + len -= 4; + + if (cur_frame_len + len <= gspca_dev->frsz) { + PDEBUG(D_FRAM, "Continuing frame %d copying %d bytes", + sd->frame_count, len); + + gspca_frame_add(gspca_dev, INTER_PACKET, + data, len); + } else { + /* Add the remaining data up to frame size */ + gspca_frame_add(gspca_dev, INTER_PACKET, data, + gspca_dev->frsz - cur_frame_len); + } + } +} + +static void m5602_stop_transfer(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + /* Run the sensor specific end transfer sequence */ + if (sd->sensor->stop) + sd->sensor->stop(sd); +} + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = m5602_configure, + .init = m5602_init, + .init_controls = m5602_init_controls, + .start = m5602_start_transfer, + .stopN = m5602_stop_transfer, + .pkt_scan = m5602_urb_complete +}; + +/* this function is called at probe time */ +static int m5602_configure(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct cam *cam; + int err; + + cam = &gspca_dev->cam; + + if (dump_bridge) + m5602_dump_bridge(sd); + + /* Probe sensor */ + err = m5602_probe_sensor(sd); + if (err) + goto fail; + + return 0; + +fail: + PERR("ALi m5602 webcam failed"); + cam->cam_mode = NULL; + cam->nmodes = 0; + + return err; +} + +static int m5602_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static void m5602_disconnect(struct usb_interface *intf) +{ + struct gspca_dev *gspca_dev = usb_get_intfdata(intf); + struct sd *sd = (struct sd *) gspca_dev; + + if (sd->sensor->disconnect) + sd->sensor->disconnect(sd); + + gspca_disconnect(intf); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = m5602_table, + .probe = m5602_probe, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, + .reset_resume = gspca_resume, +#endif + .disconnect = m5602_disconnect +}; + +module_usb_driver(sd_driver); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +module_param(force_sensor, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(force_sensor, + "forces detection of a sensor, " + "1 = OV9650, 2 = S5K83A, 3 = S5K4AA, " + "4 = MT9M111, 5 = PO1030, 6 = OV7660"); + +module_param(dump_bridge, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(dump_bridge, "Dumps all usb bridge registers at startup"); + +module_param(dump_sensor, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(dump_sensor, "Dumps all usb sensor registers " + "at startup providing a sensor is found"); diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_mt9m111.c b/kernel/drivers/media/usb/gspca/m5602/m5602_mt9m111.c new file mode 100644 index 000000000..27fcef11a --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_mt9m111.c @@ -0,0 +1,457 @@ +/* + * Driver for the mt9m111 sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_mt9m111.h" + +static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl); +static void mt9m111_dump_registers(struct sd *sd); + +static struct v4l2_pix_format mt9m111_modes[] = { + { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + } +}; + +static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = { + .s_ctrl = mt9m111_s_ctrl, +}; + +static const struct v4l2_ctrl_config mt9m111_greenbal_cfg = { + .ops = &mt9m111_ctrl_ops, + .id = M5602_V4L2_CID_GREEN_BALANCE, + .name = "Green Balance", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 0x7ff, + .step = 1, + .def = MT9M111_GREEN_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER, +}; + +int mt9m111_probe(struct sd *sd) +{ + u8 data[2] = {0x00, 0x00}; + int i; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + if (force_sensor) { + if (force_sensor == MT9M111_SENSOR) { + pr_info("Forcing a %s sensor\n", mt9m111.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + PDEBUG(D_PROBE, "Probing for a mt9m111 sensor"); + + /* Do the preinit */ + for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) { + if (preinit_mt9m111[i][0] == BRIDGE) { + m5602_write_bridge(sd, + preinit_mt9m111[i][1], + preinit_mt9m111[i][2]); + } else { + data[0] = preinit_mt9m111[i][2]; + data[1] = preinit_mt9m111[i][3]; + m5602_write_sensor(sd, + preinit_mt9m111[i][1], data, 2); + } + } + + if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2)) + return -ENODEV; + + if ((data[0] == 0x14) && (data[1] == 0x3a)) { + pr_info("Detected a mt9m111 sensor\n"); + goto sensor_found; + } + + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = mt9m111_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes); + + return 0; +} + +int mt9m111_init(struct sd *sd) +{ + int i, err = 0; + + /* Init the sensor */ + for (i = 0; i < ARRAY_SIZE(init_mt9m111) && !err; i++) { + u8 data[2]; + + if (init_mt9m111[i][0] == BRIDGE) { + err = m5602_write_bridge(sd, + init_mt9m111[i][1], + init_mt9m111[i][2]); + } else { + data[0] = init_mt9m111[i][2]; + data[1] = init_mt9m111[i][3]; + err = m5602_write_sensor(sd, + init_mt9m111[i][1], data, 2); + } + } + + if (dump_sensor) + mt9m111_dump_registers(sd); + + return 0; +} + +int mt9m111_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + sd->gspca_dev.vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 7); + + sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, + V4L2_CID_AUTO_WHITE_BALANCE, + 0, 1, 1, 0); + sd->green_bal = v4l2_ctrl_new_custom(hdl, &mt9m111_greenbal_cfg, NULL); + sd->red_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 0x7ff, 1, + MT9M111_RED_GAIN_DEFAULT); + sd->blue_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 0x7ff, 1, + MT9M111_BLUE_GAIN_DEFAULT); + + v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_GAIN, 0, + (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2, 1, + MT9M111_DEFAULT_GAIN); + + sd->hflip = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + + v4l2_ctrl_auto_cluster(4, &sd->auto_white_bal, 0, false); + v4l2_ctrl_cluster(2, &sd->hflip); + + return 0; +} + +int mt9m111_start(struct sd *sd) +{ + int i, err = 0; + u8 data[2]; + struct cam *cam = &sd->gspca_dev.cam; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + int width = cam->cam_mode[sd->gspca_dev.curr_mode].width - 1; + int height = cam->cam_mode[sd->gspca_dev.curr_mode].height; + + for (i = 0; i < ARRAY_SIZE(start_mt9m111) && !err; i++) { + if (start_mt9m111[i][0] == BRIDGE) { + err = m5602_write_bridge(sd, + start_mt9m111[i][1], + start_mt9m111[i][2]); + } else { + data[0] = start_mt9m111[i][2]; + data[1] = start_mt9m111[i][3]; + err = m5602_write_sensor(sd, + start_mt9m111[i][1], data, 2); + } + } + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff)); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 2); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, + (width >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, width & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + if (err < 0) + return err; + + switch (width) { + case 640: + PDEBUG(D_CONF, "Configuring camera for VGA mode"); + break; + + case 320: + PDEBUG(D_CONF, "Configuring camera for QVGA mode"); + break; + } + return err; +} + +void mt9m111_disconnect(struct sd *sd) +{ + sd->sensor = NULL; +} + +static int mt9m111_set_hvflip(struct gspca_dev *gspca_dev) +{ + int err; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + int hflip; + int vflip; + + PDEBUG(D_CONF, "Set hvflip to %d %d", sd->hflip->val, sd->vflip->val); + + /* The mt9m111 is flipped by default */ + hflip = !sd->hflip->val; + vflip = !sd->vflip->val; + + /* Set the correct page map */ + err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); + if (err < 0) + return err; + + data[0] = MT9M111_RMB_OVER_SIZED; + if (gspca_dev->pixfmt.width == 640) { + data[1] = MT9M111_RMB_ROW_SKIP_2X | + MT9M111_RMB_COLUMN_SKIP_2X | + (hflip << 1) | vflip; + } else { + data[1] = MT9M111_RMB_ROW_SKIP_4X | + MT9M111_RMB_COLUMN_SKIP_4X | + (hflip << 1) | vflip; + } + err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, + data, 2); + return err; +} + +static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + int err; + u8 data[2]; + + err = m5602_read_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2); + if (err < 0) + return err; + + data[1] = ((data[1] & 0xfd) | ((val & 0x01) << 1)); + + err = m5602_write_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2); + + PDEBUG(D_CONF, "Set auto white balance %d", val); + return err; +} + +static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err, tmp; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + /* Set the correct page map */ + err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); + if (err < 0) + return err; + + if (val >= INITIAL_MAX_GAIN * 2 * 2 * 2) + return -EINVAL; + + if ((val >= INITIAL_MAX_GAIN * 2 * 2) && + (val < (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2)) + tmp = (1 << 10) | (val << 9) | + (val << 8) | (val / 8); + else if ((val >= INITIAL_MAX_GAIN * 2) && + (val < INITIAL_MAX_GAIN * 2 * 2)) + tmp = (1 << 9) | (1 << 8) | (val / 4); + else if ((val >= INITIAL_MAX_GAIN) && + (val < INITIAL_MAX_GAIN * 2)) + tmp = (1 << 8) | (val / 2); + else + tmp = val; + + data[1] = (tmp & 0xff); + data[0] = (tmp & 0xff00) >> 8; + PDEBUG(D_CONF, "tmp=%d, data[1]=%d, data[0]=%d", tmp, + data[1], data[0]); + + err = m5602_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN, + data, 2); + + return err; +} + +static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[1] = (val & 0xff); + data[0] = (val & 0xff00) >> 8; + + PDEBUG(D_CONF, "Set green balance %d", val); + err = m5602_write_sensor(sd, MT9M111_SC_GREEN_1_GAIN, + data, 2); + if (err < 0) + return err; + + return m5602_write_sensor(sd, MT9M111_SC_GREEN_2_GAIN, + data, 2); +} + +static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[1] = (val & 0xff); + data[0] = (val & 0xff00) >> 8; + + PDEBUG(D_CONF, "Set blue balance %d", val); + + return m5602_write_sensor(sd, MT9M111_SC_BLUE_GAIN, + data, 2); +} + +static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[1] = (val & 0xff); + data[0] = (val & 0xff00) >> 8; + + PDEBUG(D_CONF, "Set red balance %d", val); + + return m5602_write_sensor(sd, MT9M111_SC_RED_GAIN, + data, 2); +} + +static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *) gspca_dev; + int err; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_AUTO_WHITE_BALANCE: + err = mt9m111_set_auto_white_balance(gspca_dev, ctrl->val); + if (err || ctrl->val) + return err; + err = mt9m111_set_green_balance(gspca_dev, sd->green_bal->val); + if (err) + return err; + err = mt9m111_set_red_balance(gspca_dev, sd->red_bal->val); + if (err) + return err; + err = mt9m111_set_blue_balance(gspca_dev, sd->blue_bal->val); + break; + case V4L2_CID_GAIN: + err = mt9m111_set_gain(gspca_dev, ctrl->val); + break; + case V4L2_CID_HFLIP: + err = mt9m111_set_hvflip(gspca_dev); + break; + default: + return -EINVAL; + } + + return err; +} + +static void mt9m111_dump_registers(struct sd *sd) +{ + u8 address, value[2] = {0x00, 0x00}; + + pr_info("Dumping the mt9m111 register state\n"); + + pr_info("Dumping the mt9m111 sensor core registers\n"); + value[1] = MT9M111_SENSOR_CORE; + m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); + for (address = 0; address < 0xff; address++) { + m5602_read_sensor(sd, address, value, 2); + pr_info("register 0x%x contains 0x%x%x\n", + address, value[0], value[1]); + } + + pr_info("Dumping the mt9m111 color pipeline registers\n"); + value[1] = MT9M111_COLORPIPE; + m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); + for (address = 0; address < 0xff; address++) { + m5602_read_sensor(sd, address, value, 2); + pr_info("register 0x%x contains 0x%x%x\n", + address, value[0], value[1]); + } + + pr_info("Dumping the mt9m111 camera control registers\n"); + value[1] = MT9M111_CAMERA_CONTROL; + m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); + for (address = 0; address < 0xff; address++) { + m5602_read_sensor(sd, address, value, 2); + pr_info("register 0x%x contains 0x%x%x\n", + address, value[0], value[1]); + } + + pr_info("mt9m111 register state dump complete\n"); +} diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_mt9m111.h b/kernel/drivers/media/usb/gspca/m5602/m5602_mt9m111.h new file mode 100644 index 000000000..07448d35e --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_mt9m111.h @@ -0,0 +1,273 @@ +/* + * Driver for the mt9m111 sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * Some defines taken from the mt9m111 sensor driver + * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_MT9M111_H_ +#define M5602_MT9M111_H_ + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define MT9M111_SC_CHIPVER 0x00 +#define MT9M111_SC_ROWSTART 0x01 +#define MT9M111_SC_COLSTART 0x02 +#define MT9M111_SC_WINDOW_HEIGHT 0x03 +#define MT9M111_SC_WINDOW_WIDTH 0x04 +#define MT9M111_SC_HBLANK_CONTEXT_B 0x05 +#define MT9M111_SC_VBLANK_CONTEXT_B 0x06 +#define MT9M111_SC_HBLANK_CONTEXT_A 0x07 +#define MT9M111_SC_VBLANK_CONTEXT_A 0x08 +#define MT9M111_SC_SHUTTER_WIDTH 0x09 +#define MT9M111_SC_ROW_SPEED 0x0a +#define MT9M111_SC_EXTRA_DELAY 0x0b +#define MT9M111_SC_SHUTTER_DELAY 0x0c +#define MT9M111_SC_RESET 0x0d +#define MT9M111_SC_R_MODE_CONTEXT_B 0x20 +#define MT9M111_SC_R_MODE_CONTEXT_A 0x21 +#define MT9M111_SC_FLASH_CONTROL 0x23 +#define MT9M111_SC_GREEN_1_GAIN 0x2b +#define MT9M111_SC_BLUE_GAIN 0x2c +#define MT9M111_SC_RED_GAIN 0x2d +#define MT9M111_SC_GREEN_2_GAIN 0x2e +#define MT9M111_SC_GLOBAL_GAIN 0x2f + +#define MT9M111_CONTEXT_CONTROL 0xc8 +#define MT9M111_PAGE_MAP 0xf0 +#define MT9M111_BYTEWISE_ADDRESS 0xf1 + +#define MT9M111_CP_OPERATING_MODE_CTL 0x06 +#define MT9M111_CP_LUMA_OFFSET 0x34 +#define MT9M111_CP_LUMA_CLIP 0x35 +#define MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A 0x3a +#define MT9M111_CP_LENS_CORRECTION_1 0x3b +#define MT9M111_CP_DEFECT_CORR_CONTEXT_A 0x4c +#define MT9M111_CP_DEFECT_CORR_CONTEXT_B 0x4d +#define MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B 0x9b +#define MT9M111_CP_GLOBAL_CLK_CONTROL 0xb3 + +#define MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18 0x65 +#define MT9M111_CC_AWB_PARAMETER_7 0x28 + +#define MT9M111_SENSOR_CORE 0x00 +#define MT9M111_COLORPIPE 0x01 +#define MT9M111_CAMERA_CONTROL 0x02 + +#define MT9M111_RESET (1 << 0) +#define MT9M111_RESTART (1 << 1) +#define MT9M111_ANALOG_STANDBY (1 << 2) +#define MT9M111_CHIP_ENABLE (1 << 3) +#define MT9M111_CHIP_DISABLE (0 << 3) +#define MT9M111_OUTPUT_DISABLE (1 << 4) +#define MT9M111_SHOW_BAD_FRAMES (1 << 0) +#define MT9M111_RESTART_BAD_FRAMES (1 << 1) +#define MT9M111_SYNCHRONIZE_CHANGES (1 << 7) + +#define MT9M111_RMB_OVER_SIZED (1 << 0) +#define MT9M111_RMB_MIRROR_ROWS (1 << 0) +#define MT9M111_RMB_MIRROR_COLS (1 << 1) +#define MT9M111_RMB_ROW_SKIP_2X (1 << 2) +#define MT9M111_RMB_COLUMN_SKIP_2X (1 << 3) +#define MT9M111_RMB_ROW_SKIP_4X (1 << 4) +#define MT9M111_RMB_COLUMN_SKIP_4X (1 << 5) + +#define MT9M111_COLOR_MATRIX_BYPASS (1 << 4) +#define MT9M111_SEL_CONTEXT_B (1 << 3) + +#define MT9M111_TRISTATE_PIN_IN_STANDBY (1 << 1) +#define MT9M111_SOC_SOFT_STANDBY (1 << 0) + +#define MT9M111_2D_DEFECT_CORRECTION_ENABLE (1 << 0) + +#define INITIAL_MAX_GAIN 64 +#define MT9M111_DEFAULT_GAIN 283 +#define MT9M111_GREEN_GAIN_DEFAULT 0x20 +#define MT9M111_BLUE_GAIN_DEFAULT 0x20 +#define MT9M111_RED_GAIN_DEFAULT 0x20 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern bool dump_sensor; + +int mt9m111_probe(struct sd *sd); +int mt9m111_init(struct sd *sd); +int mt9m111_init_controls(struct sd *sd); +int mt9m111_start(struct sd *sd); +void mt9m111_disconnect(struct sd *sd); + +static const struct m5602_sensor mt9m111 = { + .name = "MT9M111", + + .i2c_slave_id = 0xba, + .i2c_regW = 2, + + .probe = mt9m111_probe, + .init = mt9m111_init, + .init_controls = mt9m111_init_controls, + .disconnect = mt9m111_disconnect, + .start = mt9m111_start, +}; + +static const unsigned char preinit_mt9m111[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, + MT9M111_RESET | + MT9M111_RESTART | + MT9M111_ANALOG_STANDBY | + MT9M111_CHIP_DISABLE, + MT9M111_SHOW_BAD_FRAMES | + MT9M111_RESTART_BAD_FRAMES | + MT9M111_SYNCHRONIZE_CHANGES}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00} +}; + +static const unsigned char init_mt9m111[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, + + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, + MT9M111_CP_OPERATING_MODE_CTL}, + {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, + MT9M111_2D_DEFECT_CORRECTION_ENABLE}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, + MT9M111_2D_DEFECT_CORRECTION_ENABLE}, + {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, + {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, + {SENSOR, 0xcd, 0x00, 0x0e}, + {SENSOR, 0xd0, 0x00, 0x40}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, + {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x33, 0x03, 0x49}, + {SENSOR, 0x34, 0xc0, 0x19}, + {SENSOR, 0x3f, 0x20, 0x20}, + {SENSOR, 0x40, 0x20, 0x20}, + {SENSOR, 0x5a, 0xc0, 0x0a}, + {SENSOR, 0x70, 0x7b, 0x0a}, + {SENSOR, 0x71, 0xff, 0x00}, + {SENSOR, 0x72, 0x19, 0x0e}, + {SENSOR, 0x73, 0x18, 0x0f}, + {SENSOR, 0x74, 0x57, 0x32}, + {SENSOR, 0x75, 0x56, 0x34}, + {SENSOR, 0x76, 0x73, 0x35}, + {SENSOR, 0x77, 0x30, 0x12}, + {SENSOR, 0x78, 0x79, 0x02}, + {SENSOR, 0x79, 0x75, 0x06}, + {SENSOR, 0x7a, 0x77, 0x0a}, + {SENSOR, 0x7b, 0x78, 0x09}, + {SENSOR, 0x7c, 0x7d, 0x06}, + {SENSOR, 0x7d, 0x31, 0x10}, + {SENSOR, 0x7e, 0x00, 0x7e}, + {SENSOR, 0x80, 0x59, 0x04}, + {SENSOR, 0x81, 0x59, 0x04}, + {SENSOR, 0x82, 0x57, 0x0a}, + {SENSOR, 0x83, 0x58, 0x0b}, + {SENSOR, 0x84, 0x47, 0x0c}, + {SENSOR, 0x85, 0x48, 0x0e}, + {SENSOR, 0x86, 0x5b, 0x02}, + {SENSOR, 0x87, 0x00, 0x5c}, + {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, MT9M111_SEL_CONTEXT_B}, + {SENSOR, 0x60, 0x00, 0x80}, + {SENSOR, 0x61, 0x00, 0x00}, + {SENSOR, 0x62, 0x00, 0x00}, + {SENSOR, 0x63, 0x00, 0x00}, + {SENSOR, 0x64, 0x00, 0x00}, + + {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, /* 13 */ + {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x12}, /* 18 */ + {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x00}, /* 1024 */ + {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x10}, /* 1296 */ + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x60}, /* 352 */ + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, /* 17 */ + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x60}, /* 352 */ + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, /* 17 */ + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x0f}, /* 271 */ + {SENSOR, 0x30, 0x04, 0x00}, + /* Set number of blank rows chosen to 400 */ + {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0x90}, +}; + +static const unsigned char start_mt9m111[][4] = { + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, +}; +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_ov7660.c b/kernel/drivers/media/usb/gspca/m5602/m5602_ov7660.c new file mode 100644 index 000000000..64b3b03a9 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_ov7660.c @@ -0,0 +1,318 @@ +/* + * Driver for the ov7660 sensor + * + * Copyright (C) 2009 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_ov7660.h" + +static int ov7660_s_ctrl(struct v4l2_ctrl *ctrl); +static void ov7660_dump_registers(struct sd *sd); + +static struct v4l2_pix_format ov7660_modes[] = { + { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + } +}; + +static const struct v4l2_ctrl_ops ov7660_ctrl_ops = { + .s_ctrl = ov7660_s_ctrl, +}; + +int ov7660_probe(struct sd *sd) +{ + int err = 0, i; + u8 prod_id = 0, ver_id = 0; + + if (force_sensor) { + if (force_sensor == OV7660_SENSOR) { + pr_info("Forcing an %s sensor\n", ov7660.name); + goto sensor_found; + } + /* If we want to force another sensor, + don't try to probe this one */ + return -ENODEV; + } + + /* Do the preinit */ + for (i = 0; i < ARRAY_SIZE(preinit_ov7660) && !err; i++) { + u8 data[2]; + + if (preinit_ov7660[i][0] == BRIDGE) { + err = m5602_write_bridge(sd, + preinit_ov7660[i][1], + preinit_ov7660[i][2]); + } else { + data[0] = preinit_ov7660[i][2]; + err = m5602_write_sensor(sd, + preinit_ov7660[i][1], data, 1); + } + } + if (err < 0) + return err; + + if (m5602_read_sensor(sd, OV7660_PID, &prod_id, 1)) + return -ENODEV; + + if (m5602_read_sensor(sd, OV7660_VER, &ver_id, 1)) + return -ENODEV; + + pr_info("Sensor reported 0x%x%x\n", prod_id, ver_id); + + if ((prod_id == 0x76) && (ver_id == 0x60)) { + pr_info("Detected a ov7660 sensor\n"); + goto sensor_found; + } + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = ov7660_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(ov7660_modes); + + return 0; +} + +int ov7660_init(struct sd *sd) +{ + int i, err; + + /* Init the sensor */ + for (i = 0; i < ARRAY_SIZE(init_ov7660); i++) { + u8 data[2]; + + if (init_ov7660[i][0] == BRIDGE) { + err = m5602_write_bridge(sd, + init_ov7660[i][1], + init_ov7660[i][2]); + } else { + data[0] = init_ov7660[i][2]; + err = m5602_write_sensor(sd, + init_ov7660[i][1], data, 1); + } + if (err < 0) + return err; + } + + if (dump_sensor) + ov7660_dump_registers(sd); + + return 0; +} + +int ov7660_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + sd->gspca_dev.vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 6); + + v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE, + 0, 1, 1, 1); + v4l2_ctrl_new_std_menu(hdl, &ov7660_ctrl_ops, + V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_AUTO); + + sd->autogain = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + sd->gain = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_GAIN, 0, + 255, 1, OV7660_DEFAULT_GAIN); + + sd->hflip = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + + v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false); + v4l2_ctrl_cluster(2, &sd->hflip); + + return 0; +} + +int ov7660_start(struct sd *sd) +{ + return 0; +} + +int ov7660_stop(struct sd *sd) +{ + return 0; +} + +void ov7660_disconnect(struct sd *sd) +{ + ov7660_stop(sd); + + sd->sensor = NULL; +} + +static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data = val; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Setting gain to %d", val); + + err = m5602_write_sensor(sd, OV7660_GAIN, &i2c_data, 1); + return err; +} + +static int ov7660_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set auto white balance to %d", val); + + err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = ((i2c_data & 0xfd) | ((val & 0x01) << 1)); + err = m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1); + + return err; +} + +static int ov7660_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set auto gain control to %d", val); + + err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = ((i2c_data & 0xfb) | ((val & 0x01) << 2)); + + return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1); +} + +static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev, + __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set auto exposure control to %d", val); + + err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1); + if (err < 0) + return err; + + val = (val == V4L2_EXPOSURE_AUTO); + i2c_data = ((i2c_data & 0xfe) | ((val & 0x01) << 0)); + + return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1); +} + +static int ov7660_set_hvflip(struct gspca_dev *gspca_dev) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set hvflip to %d, %d", sd->hflip->val, sd->vflip->val); + + i2c_data = (sd->hflip->val << 5) | (sd->vflip->val << 4); + + err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1); + + return err; +} + +static int ov7660_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *) gspca_dev; + int err; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_AUTO_WHITE_BALANCE: + err = ov7660_set_auto_white_balance(gspca_dev, ctrl->val); + break; + case V4L2_CID_EXPOSURE_AUTO: + err = ov7660_set_auto_exposure(gspca_dev, ctrl->val); + break; + case V4L2_CID_AUTOGAIN: + err = ov7660_set_auto_gain(gspca_dev, ctrl->val); + if (err || ctrl->val) + return err; + err = ov7660_set_gain(gspca_dev, sd->gain->val); + break; + case V4L2_CID_HFLIP: + err = ov7660_set_hvflip(gspca_dev); + break; + default: + return -EINVAL; + } + + return err; +} + +static void ov7660_dump_registers(struct sd *sd) +{ + int address; + pr_info("Dumping the ov7660 register state\n"); + for (address = 0; address < 0xa9; address++) { + u8 value; + m5602_read_sensor(sd, address, &value, 1); + pr_info("register 0x%x contains 0x%x\n", address, value); + } + + pr_info("ov7660 register state dump complete\n"); + + pr_info("Probing for which registers that are read/write\n"); + for (address = 0; address < 0xff; address++) { + u8 old_value, ctrl_value; + u8 test_value[2] = {0xff, 0xff}; + + m5602_read_sensor(sd, address, &old_value, 1); + m5602_write_sensor(sd, address, test_value, 1); + m5602_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value[0]) + pr_info("register 0x%x is writeable\n", address); + else + pr_info("register 0x%x is read only\n", address); + + /* Restore original value */ + m5602_write_sensor(sd, address, &old_value, 1); + } +} diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_ov7660.h b/kernel/drivers/media/usb/gspca/m5602/m5602_ov7660.h new file mode 100644 index 000000000..6fece1ce1 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_ov7660.h @@ -0,0 +1,263 @@ +/* + * Driver for the ov7660 sensor + * + * Copyright (C) 2009 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_OV7660_H_ +#define M5602_OV7660_H_ + +#include "m5602_sensor.h" + +#define OV7660_GAIN 0x00 +#define OV7660_BLUE_GAIN 0x01 +#define OV7660_RED_GAIN 0x02 +#define OV7660_VREF 0x03 +#define OV7660_COM1 0x04 +#define OV7660_BAVE 0x05 +#define OV7660_GEAVE 0x06 +#define OV7660_AECHH 0x07 +#define OV7660_RAVE 0x08 +#define OV7660_COM2 0x09 +#define OV7660_PID 0x0a +#define OV7660_VER 0x0b +#define OV7660_COM3 0x0c +#define OV7660_COM4 0x0d +#define OV7660_COM5 0x0e +#define OV7660_COM6 0x0f +#define OV7660_AECH 0x10 +#define OV7660_CLKRC 0x11 +#define OV7660_COM7 0x12 +#define OV7660_COM8 0x13 +#define OV7660_COM9 0x14 +#define OV7660_COM10 0x15 +#define OV7660_RSVD16 0x16 +#define OV7660_HSTART 0x17 +#define OV7660_HSTOP 0x18 +#define OV7660_VSTART 0x19 +#define OV7660_VSTOP 0x1a +#define OV7660_PSHFT 0x1b +#define OV7660_MIDH 0x1c +#define OV7660_MIDL 0x1d +#define OV7660_MVFP 0x1e +#define OV7660_LAEC 0x1f +#define OV7660_BOS 0x20 +#define OV7660_GBOS 0x21 +#define OV7660_GROS 0x22 +#define OV7660_ROS 0x23 +#define OV7660_AEW 0x24 +#define OV7660_AEB 0x25 +#define OV7660_VPT 0x26 +#define OV7660_BBIAS 0x27 +#define OV7660_GbBIAS 0x28 +#define OV7660_RSVD29 0x29 +#define OV7660_RBIAS 0x2c +#define OV7660_HREF 0x32 +#define OV7660_ADC 0x37 +#define OV7660_OFON 0x39 +#define OV7660_TSLB 0x3a +#define OV7660_COM12 0x3c +#define OV7660_COM13 0x3d +#define OV7660_LCC1 0x62 +#define OV7660_LCC2 0x63 +#define OV7660_LCC3 0x64 +#define OV7660_LCC4 0x65 +#define OV7660_LCC5 0x66 +#define OV7660_HV 0x69 +#define OV7660_RSVDA1 0xa1 + +#define OV7660_DEFAULT_GAIN 0x0e +#define OV7660_DEFAULT_RED_GAIN 0x80 +#define OV7660_DEFAULT_BLUE_GAIN 0x80 +#define OV7660_DEFAULT_SATURATION 0x00 +#define OV7660_DEFAULT_EXPOSURE 0x20 + +/* Kernel module parameters */ +extern int force_sensor; +extern bool dump_sensor; + +int ov7660_probe(struct sd *sd); +int ov7660_init(struct sd *sd); +int ov7660_init(struct sd *sd); +int ov7660_init_controls(struct sd *sd); +int ov7660_start(struct sd *sd); +int ov7660_stop(struct sd *sd); +void ov7660_disconnect(struct sd *sd); + +static const struct m5602_sensor ov7660 = { + .name = "ov7660", + .i2c_slave_id = 0x42, + .i2c_regW = 1, + .probe = ov7660_probe, + .init = ov7660_init, + .init_controls = ov7660_init_controls, + .start = ov7660_start, + .stop = ov7660_stop, + .disconnect = ov7660_disconnect, +}; + +static const unsigned char preinit_ov7660[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x03}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x03}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + + {SENSOR, OV7660_OFON, 0x0c}, + {SENSOR, OV7660_COM2, 0x11}, + {SENSOR, OV7660_COM7, 0x05}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x01}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x08}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00} +}; + +static const unsigned char init_ov7660[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x01}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x01}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00}, + {SENSOR, OV7660_COM7, 0x80}, + {SENSOR, OV7660_CLKRC, 0x80}, + {SENSOR, OV7660_COM9, 0x4c}, + {SENSOR, OV7660_OFON, 0x43}, + {SENSOR, OV7660_COM12, 0x28}, + {SENSOR, OV7660_COM8, 0x00}, + {SENSOR, OV7660_COM10, 0x40}, + {SENSOR, OV7660_HSTART, 0x0c}, + {SENSOR, OV7660_HSTOP, 0x61}, + {SENSOR, OV7660_HREF, 0xa4}, + {SENSOR, OV7660_PSHFT, 0x0b}, + {SENSOR, OV7660_VSTART, 0x01}, + {SENSOR, OV7660_VSTOP, 0x7a}, + {SENSOR, OV7660_VSTOP, 0x00}, + {SENSOR, OV7660_COM7, 0x05}, + {SENSOR, OV7660_COM6, 0x42}, + {SENSOR, OV7660_BBIAS, 0x94}, + {SENSOR, OV7660_GbBIAS, 0x94}, + {SENSOR, OV7660_RSVD29, 0x94}, + {SENSOR, OV7660_RBIAS, 0x94}, + {SENSOR, OV7660_COM1, 0x00}, + {SENSOR, OV7660_AECH, 0x00}, + {SENSOR, OV7660_AECHH, 0x00}, + {SENSOR, OV7660_ADC, 0x05}, + {SENSOR, OV7660_COM13, 0x00}, + {SENSOR, OV7660_RSVDA1, 0x23}, + {SENSOR, OV7660_TSLB, 0x0d}, + {SENSOR, OV7660_HV, 0x80}, + {SENSOR, OV7660_LCC1, 0x00}, + {SENSOR, OV7660_LCC2, 0x00}, + {SENSOR, OV7660_LCC3, 0x10}, + {SENSOR, OV7660_LCC4, 0x40}, + {SENSOR, OV7660_LCC5, 0x01}, + + {SENSOR, OV7660_AECH, 0x20}, + {SENSOR, OV7660_COM1, 0x00}, + {SENSOR, OV7660_OFON, 0x0c}, + {SENSOR, OV7660_COM2, 0x11}, + {SENSOR, OV7660_COM7, 0x05}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x01}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x08}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00}, + {SENSOR, OV7660_AECH, 0x5f}, + {SENSOR, OV7660_COM1, 0x03}, + {SENSOR, OV7660_OFON, 0x0c}, + {SENSOR, OV7660_COM2, 0x11}, + {SENSOR, OV7660_COM7, 0x05}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x01}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x08}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_SIG_INI, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x08}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xec}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x27}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0xa7}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, +}; +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_ov9650.c b/kernel/drivers/media/usb/gspca/m5602/m5602_ov9650.c new file mode 100644 index 000000000..59bc62bfa --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_ov9650.c @@ -0,0 +1,636 @@ +/* + * Driver for the ov9650 sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_ov9650.h" + +static int ov9650_s_ctrl(struct v4l2_ctrl *ctrl); +static void ov9650_dump_registers(struct sd *sd); + +/* Vertically and horizontally flips the image if matched, needed for machines + where the sensor is mounted upside down */ +static + const + struct dmi_system_id ov9650_flip_dmi_table[] = { + { + .ident = "ASUS A6Ja", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6J") + } + }, + { + .ident = "ASUS A6JC", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6JC") + } + }, + { + .ident = "ASUS A6K", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6K") + } + }, + { + .ident = "ASUS A6Kt", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6Kt") + } + }, + { + .ident = "ASUS A6VA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6VA") + } + }, + { + + .ident = "ASUS A6VC", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6VC") + } + }, + { + .ident = "ASUS A6VM", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6VM") + } + }, + { + .ident = "ASUS A7V", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A7V") + } + }, + { + .ident = "Alienware Aurora m9700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "alienware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aurora m9700") + } + }, + {} +}; + +static struct v4l2_pix_format ov9650_modes[] = { + { + 176, + 144, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 176 * 144, + .bytesperline = 176, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 9 + }, { + 320, + 240, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 320 * 240, + .bytesperline = 320, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 8 + }, { + 352, + 288, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 352 * 288, + .bytesperline = 352, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 9 + }, { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 9 + } +}; + +static const struct v4l2_ctrl_ops ov9650_ctrl_ops = { + .s_ctrl = ov9650_s_ctrl, +}; + +int ov9650_probe(struct sd *sd) +{ + int err = 0; + u8 prod_id = 0, ver_id = 0, i; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + if (force_sensor) { + if (force_sensor == OV9650_SENSOR) { + pr_info("Forcing an %s sensor\n", ov9650.name); + goto sensor_found; + } + /* If we want to force another sensor, + don't try to probe this one */ + return -ENODEV; + } + + PDEBUG(D_PROBE, "Probing for an ov9650 sensor"); + + /* Run the pre-init before probing the sensor */ + for (i = 0; i < ARRAY_SIZE(preinit_ov9650) && !err; i++) { + u8 data = preinit_ov9650[i][2]; + if (preinit_ov9650[i][0] == SENSOR) + err = m5602_write_sensor(sd, + preinit_ov9650[i][1], &data, 1); + else + err = m5602_write_bridge(sd, + preinit_ov9650[i][1], data); + } + + if (err < 0) + return err; + + if (m5602_read_sensor(sd, OV9650_PID, &prod_id, 1)) + return -ENODEV; + + if (m5602_read_sensor(sd, OV9650_VER, &ver_id, 1)) + return -ENODEV; + + if ((prod_id == 0x96) && (ver_id == 0x52)) { + pr_info("Detected an ov9650 sensor\n"); + goto sensor_found; + } + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = ov9650_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(ov9650_modes); + + return 0; +} + +int ov9650_init(struct sd *sd) +{ + int i, err = 0; + u8 data; + + if (dump_sensor) + ov9650_dump_registers(sd); + + for (i = 0; i < ARRAY_SIZE(init_ov9650) && !err; i++) { + data = init_ov9650[i][2]; + if (init_ov9650[i][0] == SENSOR) + err = m5602_write_sensor(sd, init_ov9650[i][1], + &data, 1); + else + err = m5602_write_bridge(sd, init_ov9650[i][1], data); + } + + return 0; +} + +int ov9650_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + sd->gspca_dev.vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 9); + + sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, + V4L2_CID_AUTO_WHITE_BALANCE, + 0, 1, 1, 1); + sd->red_bal = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 255, 1, + RED_GAIN_DEFAULT); + sd->blue_bal = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 255, 1, + BLUE_GAIN_DEFAULT); + + sd->autoexpo = v4l2_ctrl_new_std_menu(hdl, &ov9650_ctrl_ops, + V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_AUTO); + sd->expo = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, V4L2_CID_EXPOSURE, + 0, 0x1ff, 4, EXPOSURE_DEFAULT); + + sd->autogain = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + sd->gain = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, V4L2_CID_GAIN, 0, + 0x3ff, 1, GAIN_DEFAULT); + + sd->hflip = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &ov9650_ctrl_ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + + v4l2_ctrl_auto_cluster(3, &sd->auto_white_bal, 0, false); + v4l2_ctrl_auto_cluster(2, &sd->autoexpo, 0, false); + v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false); + v4l2_ctrl_cluster(2, &sd->hflip); + + return 0; +} + +int ov9650_start(struct sd *sd) +{ + u8 data; + int i, err = 0; + struct cam *cam = &sd->gspca_dev.cam; + + int width = cam->cam_mode[sd->gspca_dev.curr_mode].width; + int height = cam->cam_mode[sd->gspca_dev.curr_mode].height; + int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv; + int hor_offs = OV9650_LEFT_OFFSET; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + if ((!dmi_check_system(ov9650_flip_dmi_table) && + sd->vflip->val) || + (dmi_check_system(ov9650_flip_dmi_table) && + !sd->vflip->val)) + ver_offs--; + + if (width <= 320) + hor_offs /= 2; + + /* Synthesize the vsync/hsync setup */ + for (i = 0; i < ARRAY_SIZE(res_init_ov9650) && !err; i++) { + if (res_init_ov9650[i][0] == BRIDGE) + err = m5602_write_bridge(sd, res_init_ov9650[i][1], + res_init_ov9650[i][2]); + else if (res_init_ov9650[i][0] == SENSOR) { + data = res_init_ov9650[i][2]; + err = m5602_write_sensor(sd, + res_init_ov9650[i][1], &data, 1); + } + } + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, + ((ver_offs >> 8) & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff)); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 2); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, + (hor_offs >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, hor_offs & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, + ((width + hor_offs) >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, + ((width + hor_offs) & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + if (err < 0) + return err; + + switch (width) { + case 640: + PDEBUG(D_CONF, "Configuring camera for VGA mode"); + + data = OV9650_VGA_SELECT | OV9650_RGB_SELECT | + OV9650_RAW_RGB_SELECT; + err = m5602_write_sensor(sd, OV9650_COM7, &data, 1); + break; + + case 352: + PDEBUG(D_CONF, "Configuring camera for CIF mode"); + + data = OV9650_CIF_SELECT | OV9650_RGB_SELECT | + OV9650_RAW_RGB_SELECT; + err = m5602_write_sensor(sd, OV9650_COM7, &data, 1); + break; + + case 320: + PDEBUG(D_CONF, "Configuring camera for QVGA mode"); + + data = OV9650_QVGA_SELECT | OV9650_RGB_SELECT | + OV9650_RAW_RGB_SELECT; + err = m5602_write_sensor(sd, OV9650_COM7, &data, 1); + break; + + case 176: + PDEBUG(D_CONF, "Configuring camera for QCIF mode"); + + data = OV9650_QCIF_SELECT | OV9650_RGB_SELECT | + OV9650_RAW_RGB_SELECT; + err = m5602_write_sensor(sd, OV9650_COM7, &data, 1); + break; + } + return err; +} + +int ov9650_stop(struct sd *sd) +{ + u8 data = OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X; + return m5602_write_sensor(sd, OV9650_COM2, &data, 1); +} + +void ov9650_disconnect(struct sd *sd) +{ + ov9650_stop(sd); + + sd->sensor = NULL; +} + +static int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + PDEBUG(D_CONF, "Set exposure to %d", val); + + /* The 6 MSBs */ + i2c_data = (val >> 10) & 0x3f; + err = m5602_write_sensor(sd, OV9650_AECHM, + &i2c_data, 1); + if (err < 0) + return err; + + /* The 8 middle bits */ + i2c_data = (val >> 2) & 0xff; + err = m5602_write_sensor(sd, OV9650_AECH, + &i2c_data, 1); + if (err < 0) + return err; + + /* The 2 LSBs */ + i2c_data = val & 0x03; + err = m5602_write_sensor(sd, OV9650_COM1, &i2c_data, 1); + return err; +} + +static int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Setting gain to %d", val); + + /* The 2 MSB */ + /* Read the OV9650_VREF register first to avoid + corrupting the VREF high and low bits */ + err = m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1); + if (err < 0) + return err; + + /* Mask away all uninteresting bits */ + i2c_data = ((val & 0x0300) >> 2) | + (i2c_data & 0x3f); + err = m5602_write_sensor(sd, OV9650_VREF, &i2c_data, 1); + if (err < 0) + return err; + + /* The 8 LSBs */ + i2c_data = val & 0xff; + err = m5602_write_sensor(sd, OV9650_GAIN, &i2c_data, 1); + return err; +} + +static int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set red gain to %d", val); + + i2c_data = val & 0xff; + err = m5602_write_sensor(sd, OV9650_RED, &i2c_data, 1); + return err; +} + +static int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set blue gain to %d", val); + + i2c_data = val & 0xff; + err = m5602_write_sensor(sd, OV9650_BLUE, &i2c_data, 1); + return err; +} + +static int ov9650_set_hvflip(struct gspca_dev *gspca_dev) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + int hflip = sd->hflip->val; + int vflip = sd->vflip->val; + + PDEBUG(D_CONF, "Set hvflip to %d %d", hflip, vflip); + + if (dmi_check_system(ov9650_flip_dmi_table)) + vflip = !vflip; + + i2c_data = (hflip << 5) | (vflip << 4); + err = m5602_write_sensor(sd, OV9650_MVFP, &i2c_data, 1); + if (err < 0) + return err; + + /* When vflip is toggled we need to readjust the bridge hsync/vsync */ + if (gspca_dev->streaming) + err = ov9650_start(sd); + + return err; +} + +static int ov9650_set_auto_exposure(struct gspca_dev *gspca_dev, + __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set auto exposure control to %d", val); + + err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + if (err < 0) + return err; + + val = (val == V4L2_EXPOSURE_AUTO); + i2c_data = ((i2c_data & 0xfe) | ((val & 0x01) << 0)); + + return m5602_write_sensor(sd, OV9650_COM8, &i2c_data, 1); +} + +static int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set auto white balance to %d", val); + + err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = ((i2c_data & 0xfd) | ((val & 0x01) << 1)); + err = m5602_write_sensor(sd, OV9650_COM8, &i2c_data, 1); + + return err; +} + +static int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Set auto gain control to %d", val); + + err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = ((i2c_data & 0xfb) | ((val & 0x01) << 2)); + + return m5602_write_sensor(sd, OV9650_COM8, &i2c_data, 1); +} + +static int ov9650_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *) gspca_dev; + int err; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_AUTO_WHITE_BALANCE: + err = ov9650_set_auto_white_balance(gspca_dev, ctrl->val); + if (err || ctrl->val) + return err; + err = ov9650_set_red_balance(gspca_dev, sd->red_bal->val); + if (err) + return err; + err = ov9650_set_blue_balance(gspca_dev, sd->blue_bal->val); + break; + case V4L2_CID_EXPOSURE_AUTO: + err = ov9650_set_auto_exposure(gspca_dev, ctrl->val); + if (err || ctrl->val == V4L2_EXPOSURE_AUTO) + return err; + err = ov9650_set_exposure(gspca_dev, sd->expo->val); + break; + case V4L2_CID_AUTOGAIN: + err = ov9650_set_auto_gain(gspca_dev, ctrl->val); + if (err || ctrl->val) + return err; + err = ov9650_set_gain(gspca_dev, sd->gain->val); + break; + case V4L2_CID_HFLIP: + err = ov9650_set_hvflip(gspca_dev); + break; + default: + return -EINVAL; + } + + return err; +} + +static void ov9650_dump_registers(struct sd *sd) +{ + int address; + pr_info("Dumping the ov9650 register state\n"); + for (address = 0; address < 0xa9; address++) { + u8 value; + m5602_read_sensor(sd, address, &value, 1); + pr_info("register 0x%x contains 0x%x\n", address, value); + } + + pr_info("ov9650 register state dump complete\n"); + + pr_info("Probing for which registers that are read/write\n"); + for (address = 0; address < 0xff; address++) { + u8 old_value, ctrl_value; + u8 test_value[2] = {0xff, 0xff}; + + m5602_read_sensor(sd, address, &old_value, 1); + m5602_write_sensor(sd, address, test_value, 1); + m5602_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value[0]) + pr_info("register 0x%x is writeable\n", address); + else + pr_info("register 0x%x is read only\n", address); + + /* Restore original value */ + m5602_write_sensor(sd, address, &old_value, 1); + } +} diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_ov9650.h b/kernel/drivers/media/usb/gspca/m5602/m5602_ov9650.h new file mode 100644 index 000000000..f9f5870da --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_ov9650.h @@ -0,0 +1,309 @@ +/* + * Driver for the ov9650 sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_OV9650_H_ +#define M5602_OV9650_H_ + +#include <linux/dmi.h> +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define OV9650_GAIN 0x00 +#define OV9650_BLUE 0x01 +#define OV9650_RED 0x02 +#define OV9650_VREF 0x03 +#define OV9650_COM1 0x04 +#define OV9650_BAVE 0x05 +#define OV9650_GEAVE 0x06 +#define OV9650_RSVD7 0x07 +#define OV9650_COM2 0x09 +#define OV9650_PID 0x0a +#define OV9650_VER 0x0b +#define OV9650_COM3 0x0c +#define OV9650_COM4 0x0d +#define OV9650_COM5 0x0e +#define OV9650_COM6 0x0f +#define OV9650_AECH 0x10 +#define OV9650_CLKRC 0x11 +#define OV9650_COM7 0x12 +#define OV9650_COM8 0x13 +#define OV9650_COM9 0x14 +#define OV9650_COM10 0x15 +#define OV9650_RSVD16 0x16 +#define OV9650_HSTART 0x17 +#define OV9650_HSTOP 0x18 +#define OV9650_VSTRT 0x19 +#define OV9650_VSTOP 0x1a +#define OV9650_PSHFT 0x1b +#define OV9650_MVFP 0x1e +#define OV9650_AEW 0x24 +#define OV9650_AEB 0x25 +#define OV9650_VPT 0x26 +#define OV9650_BBIAS 0x27 +#define OV9650_GbBIAS 0x28 +#define OV9650_Gr_COM 0x29 +#define OV9650_RBIAS 0x2c +#define OV9650_HREF 0x32 +#define OV9650_CHLF 0x33 +#define OV9650_ARBLM 0x34 +#define OV9650_RSVD35 0x35 +#define OV9650_RSVD36 0x36 +#define OV9650_ADC 0x37 +#define OV9650_ACOM38 0x38 +#define OV9650_OFON 0x39 +#define OV9650_TSLB 0x3a +#define OV9650_COM12 0x3c +#define OV9650_COM13 0x3d +#define OV9650_COM15 0x40 +#define OV9650_COM16 0x41 +#define OV9650_LCC1 0x62 +#define OV9650_LCC2 0x63 +#define OV9650_LCC3 0x64 +#define OV9650_LCC4 0x65 +#define OV9650_LCC5 0x66 +#define OV9650_HV 0x69 +#define OV9650_DBLV 0x6b +#define OV9650_COM21 0x8b +#define OV9650_COM22 0x8c +#define OV9650_COM24 0x8e +#define OV9650_DBLC1 0x8f +#define OV9650_RSVD94 0x94 +#define OV9650_RSVD95 0x95 +#define OV9650_RSVD96 0x96 +#define OV9650_LCCFB 0x9d +#define OV9650_LCCFR 0x9e +#define OV9650_AECHM 0xa1 +#define OV9650_COM26 0xa5 +#define OV9650_ACOMA8 0xa8 +#define OV9650_ACOMA9 0xa9 + +#define OV9650_REGISTER_RESET (1 << 7) +#define OV9650_VGA_SELECT (1 << 6) +#define OV9650_CIF_SELECT (1 << 5) +#define OV9650_QVGA_SELECT (1 << 4) +#define OV9650_QCIF_SELECT (1 << 3) +#define OV9650_RGB_SELECT (1 << 2) +#define OV9650_RAW_RGB_SELECT (1 << 0) + +#define OV9650_FAST_AGC_AEC (1 << 7) +#define OV9650_AEC_UNLIM_STEP_SIZE (1 << 6) +#define OV9650_BANDING (1 << 5) +#define OV9650_AGC_EN (1 << 2) +#define OV9650_AWB_EN (1 << 1) +#define OV9650_AEC_EN (1 << 0) + +#define OV9650_VARIOPIXEL (1 << 2) +#define OV9650_SYSTEM_CLK_SEL (1 << 7) +#define OV9650_SLAM_MODE (1 << 4) + +#define OV9650_QVGA_VARIOPIXEL (1 << 7) + +#define OV9650_VFLIP (1 << 4) +#define OV9650_HFLIP (1 << 5) + +#define OV9650_SOFT_SLEEP (1 << 4) +#define OV9650_OUTPUT_DRIVE_2X (1 << 0) + +#define OV9650_DENOISE_ENABLE (1 << 5) +#define OV9650_WHITE_PIXEL_ENABLE (1 << 1) +#define OV9650_WHITE_PIXEL_OPTION (1 << 0) + +#define OV9650_LEFT_OFFSET 0x62 + +#define GAIN_DEFAULT 0x14 +#define RED_GAIN_DEFAULT 0x70 +#define BLUE_GAIN_DEFAULT 0x20 +#define EXPOSURE_DEFAULT 0x1ff + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern bool dump_sensor; + +int ov9650_probe(struct sd *sd); +int ov9650_init(struct sd *sd); +int ov9650_init_controls(struct sd *sd); +int ov9650_start(struct sd *sd); +int ov9650_stop(struct sd *sd); +void ov9650_disconnect(struct sd *sd); + +static const struct m5602_sensor ov9650 = { + .name = "OV9650", + .i2c_slave_id = 0x60, + .i2c_regW = 1, + .probe = ov9650_probe, + .init = ov9650_init, + .init_controls = ov9650_init_controls, + .start = ov9650_start, + .stop = ov9650_stop, + .disconnect = ov9650_disconnect, +}; + +static const unsigned char preinit_ov9650[][3] = { + /* [INITCAM] */ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, + /* Reset chip */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + /* Enable double clock */ + {SENSOR, OV9650_CLKRC, 0x80}, + /* Do something out of spec with the power */ + {SENSOR, OV9650_OFON, 0x40} +}; + +static const unsigned char init_ov9650[][3] = { + /* [INITCAM] */ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, + + /* Reset chip */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + /* One extra reset is needed in order to make the sensor behave + properly when resuming from ram, could be a timing issue */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + + /* Enable double clock */ + {SENSOR, OV9650_CLKRC, 0x80}, + /* Do something out of spec with the power */ + {SENSOR, OV9650_OFON, 0x40}, + + /* Set fast AGC/AEC algorithm with unlimited step size */ + {SENSOR, OV9650_COM8, OV9650_FAST_AGC_AEC | + OV9650_AEC_UNLIM_STEP_SIZE}, + + {SENSOR, OV9650_CHLF, 0x10}, + {SENSOR, OV9650_ARBLM, 0xbf}, + {SENSOR, OV9650_ACOM38, 0x81}, + /* Turn off color matrix coefficient double option */ + {SENSOR, OV9650_COM16, 0x00}, + /* Enable color matrix for RGB/YUV, Delay Y channel, + set output Y/UV delay to 1 */ + {SENSOR, OV9650_COM13, 0x19}, + /* Enable digital BLC, Set output mode to U Y V Y */ + {SENSOR, OV9650_TSLB, 0x0c}, + /* Limit the AGC/AEC stable upper region */ + {SENSOR, OV9650_COM24, 0x00}, + /* Enable HREF and some out of spec things */ + {SENSOR, OV9650_COM12, 0x73}, + /* Set all DBLC offset signs to positive and + do some out of spec stuff */ + {SENSOR, OV9650_DBLC1, 0xdf}, + {SENSOR, OV9650_COM21, 0x06}, + {SENSOR, OV9650_RSVD35, 0x91}, + /* Necessary, no camera stream without it */ + {SENSOR, OV9650_RSVD16, 0x06}, + {SENSOR, OV9650_RSVD94, 0x99}, + {SENSOR, OV9650_RSVD95, 0x99}, + {SENSOR, OV9650_RSVD96, 0x04}, + /* Enable full range output */ + {SENSOR, OV9650_COM15, 0x0}, + /* Enable HREF at optical black, enable ADBLC bias, + enable ADBLC, reset timings at format change */ + {SENSOR, OV9650_COM6, 0x4b}, + /* Subtract 32 from the B channel bias */ + {SENSOR, OV9650_BBIAS, 0xa0}, + /* Subtract 32 from the Gb channel bias */ + {SENSOR, OV9650_GbBIAS, 0xa0}, + /* Do not bypass the analog BLC and to some out of spec stuff */ + {SENSOR, OV9650_Gr_COM, 0x00}, + /* Subtract 32 from the R channel bias */ + {SENSOR, OV9650_RBIAS, 0xa0}, + /* Subtract 32 from the R channel bias */ + {SENSOR, OV9650_RBIAS, 0x0}, + {SENSOR, OV9650_COM26, 0x80}, + {SENSOR, OV9650_ACOMA9, 0x98}, + /* Set the AGC/AEC stable region upper limit */ + {SENSOR, OV9650_AEW, 0x68}, + /* Set the AGC/AEC stable region lower limit */ + {SENSOR, OV9650_AEB, 0x5c}, + /* Set the high and low limit nibbles to 3 */ + {SENSOR, OV9650_VPT, 0xc3}, + /* Set the Automatic Gain Ceiling (AGC) to 128x, + drop VSYNC at frame drop, + limit exposure timing, + drop frame when the AEC step is larger than the exposure gap */ + {SENSOR, OV9650_COM9, 0x6e}, + /* Set VSYNC negative, Set RESET to SLHS (slave mode horizontal sync) + and set PWDN to SLVS (slave mode vertical sync) */ + {SENSOR, OV9650_COM10, 0x42}, + /* Set horizontal column start high to default value */ + {SENSOR, OV9650_HSTART, 0x1a}, /* 210 */ + /* Set horizontal column end */ + {SENSOR, OV9650_HSTOP, 0xbf}, /* 1534 */ + /* Complementing register to the two writes above */ + {SENSOR, OV9650_HREF, 0xb2}, + /* Set vertical row start high bits */ + {SENSOR, OV9650_VSTRT, 0x02}, + /* Set vertical row end low bits */ + {SENSOR, OV9650_VSTOP, 0x7e}, + /* Set complementing vertical frame control */ + {SENSOR, OV9650_VREF, 0x10}, + {SENSOR, OV9650_ADC, 0x04}, + {SENSOR, OV9650_HV, 0x40}, + + /* Enable denoise, and white-pixel erase */ + {SENSOR, OV9650_COM22, OV9650_DENOISE_ENABLE | + OV9650_WHITE_PIXEL_ENABLE | + OV9650_WHITE_PIXEL_OPTION}, + + /* Enable VARIOPIXEL */ + {SENSOR, OV9650_COM3, OV9650_VARIOPIXEL}, + {SENSOR, OV9650_COM4, OV9650_QVGA_VARIOPIXEL}, + + /* Put the sensor in soft sleep mode */ + {SENSOR, OV9650_COM2, OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X}, +}; + +static const unsigned char res_init_ov9650[][3] = { + {SENSOR, OV9650_COM2, OV9650_OUTPUT_DRIVE_2X}, + + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01} +}; +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_po1030.c b/kernel/drivers/media/usb/gspca/m5602/m5602_po1030.c new file mode 100644 index 000000000..4bf5c4342 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_po1030.c @@ -0,0 +1,518 @@ +/* + * Driver for the po1030 sensor + * + * Copyright (c) 2008 Erik Andrén + * Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_po1030.h" + +static int po1030_s_ctrl(struct v4l2_ctrl *ctrl); +static void po1030_dump_registers(struct sd *sd); + +static struct v4l2_pix_format po1030_modes[] = { + { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 2 + } +}; + +static const struct v4l2_ctrl_ops po1030_ctrl_ops = { + .s_ctrl = po1030_s_ctrl, +}; + +static const struct v4l2_ctrl_config po1030_greenbal_cfg = { + .ops = &po1030_ctrl_ops, + .id = M5602_V4L2_CID_GREEN_BALANCE, + .name = "Green Balance", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 255, + .step = 1, + .def = PO1030_GREEN_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER, +}; + +int po1030_probe(struct sd *sd) +{ + u8 dev_id_h = 0, i; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + if (force_sensor) { + if (force_sensor == PO1030_SENSOR) { + pr_info("Forcing a %s sensor\n", po1030.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + PDEBUG(D_PROBE, "Probing for a po1030 sensor"); + + /* Run the pre-init to actually probe the unit */ + for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) { + u8 data = preinit_po1030[i][2]; + if (preinit_po1030[i][0] == SENSOR) + m5602_write_sensor(sd, + preinit_po1030[i][1], &data, 1); + else + m5602_write_bridge(sd, preinit_po1030[i][1], data); + } + + if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1)) + return -ENODEV; + + if (dev_id_h == 0x30) { + pr_info("Detected a po1030 sensor\n"); + goto sensor_found; + } + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = po1030_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes); + + return 0; +} + +int po1030_init(struct sd *sd) +{ + int i, err = 0; + + /* Init the sensor */ + for (i = 0; i < ARRAY_SIZE(init_po1030) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_po1030[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_po1030[i][1], + init_po1030[i][2]); + break; + + case SENSOR: + data[0] = init_po1030[i][2]; + err = m5602_write_sensor(sd, + init_po1030[i][1], data, 1); + break; + + default: + pr_info("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + if (err < 0) + return err; + + if (dump_sensor) + po1030_dump_registers(sd); + + return 0; +} + +int po1030_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + sd->gspca_dev.vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 9); + + sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, + V4L2_CID_AUTO_WHITE_BALANCE, + 0, 1, 1, 0); + sd->green_bal = v4l2_ctrl_new_custom(hdl, &po1030_greenbal_cfg, NULL); + sd->red_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 255, 1, + PO1030_RED_GAIN_DEFAULT); + sd->blue_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 255, 1, + PO1030_BLUE_GAIN_DEFAULT); + + sd->autoexpo = v4l2_ctrl_new_std_menu(hdl, &po1030_ctrl_ops, + V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_MANUAL); + sd->expo = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_EXPOSURE, + 0, 0x2ff, 1, PO1030_EXPOSURE_DEFAULT); + + sd->gain = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_GAIN, 0, + 0x4f, 1, PO1030_GLOBAL_GAIN_DEFAULT); + + sd->hflip = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + + v4l2_ctrl_auto_cluster(4, &sd->auto_white_bal, 0, false); + v4l2_ctrl_auto_cluster(2, &sd->autoexpo, 0, false); + v4l2_ctrl_cluster(2, &sd->hflip); + + return 0; +} + +int po1030_start(struct sd *sd) +{ + struct cam *cam = &sd->gspca_dev.cam; + int i, err = 0; + int width = cam->cam_mode[sd->gspca_dev.curr_mode].width; + int height = cam->cam_mode[sd->gspca_dev.curr_mode].height; + int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv; + u8 data; + + switch (width) { + case 320: + data = PO1030_SUBSAMPLING; + err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); + if (err < 0) + return err; + + data = ((width + 3) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); + if (err < 0) + return err; + + data = (width + 3) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); + if (err < 0) + return err; + + data = ((height + 1) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); + if (err < 0) + return err; + + data = (height + 1) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); + + height += 6; + width -= 1; + break; + + case 640: + data = 0; + err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); + if (err < 0) + return err; + + data = ((width + 7) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); + if (err < 0) + return err; + + data = (width + 7) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); + if (err < 0) + return err; + + data = ((height + 3) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); + if (err < 0) + return err; + + data = (height + 3) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); + + height += 12; + width -= 2; + break; + } + err = m5602_write_bridge(sd, M5602_XB_SENSOR_TYPE, 0x0c); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_LINE_OF_FRAME_H, 0x81); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_PIX_OF_LINE_H, 0x82); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0x01); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, + ((ver_offs >> 8) & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 0xff)); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff)); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + return err; +} + +static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + PDEBUG(D_CONF, "Set exposure to %d", val & 0xffff); + + i2c_data = ((val & 0xff00) >> 8); + PDEBUG(D_CONF, "Set exposure to high byte to 0x%x", + i2c_data); + + err = m5602_write_sensor(sd, PO1030_INTEGLINES_H, + &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = (val & 0xff); + PDEBUG(D_CONF, "Set exposure to low byte to 0x%x", + i2c_data); + err = m5602_write_sensor(sd, PO1030_INTEGLINES_M, + &i2c_data, 1); + + return err; +} + +static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + i2c_data = val & 0xff; + PDEBUG(D_CONF, "Set global gain to %d", i2c_data); + err = m5602_write_sensor(sd, PO1030_GLOBALGAIN, + &i2c_data, 1); + return err; +} + +static int po1030_set_hvflip(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + PDEBUG(D_CONF, "Set hvflip %d %d", sd->hflip->val, sd->vflip->val); + err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = (0x3f & i2c_data) | (sd->hflip->val << 7) | + (sd->vflip->val << 6); + + err = m5602_write_sensor(sd, PO1030_CONTROL2, + &i2c_data, 1); + + return err; +} + +static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + i2c_data = val & 0xff; + PDEBUG(D_CONF, "Set red gain to %d", i2c_data); + err = m5602_write_sensor(sd, PO1030_RED_GAIN, + &i2c_data, 1); + return err; +} + +static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + i2c_data = val & 0xff; + PDEBUG(D_CONF, "Set blue gain to %d", i2c_data); + err = m5602_write_sensor(sd, PO1030_BLUE_GAIN, + &i2c_data, 1); + + return err; +} + +static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + i2c_data = val & 0xff; + PDEBUG(D_CONF, "Set green gain to %d", i2c_data); + + err = m5602_write_sensor(sd, PO1030_GREEN_1_GAIN, + &i2c_data, 1); + if (err < 0) + return err; + + return m5602_write_sensor(sd, PO1030_GREEN_2_GAIN, + &i2c_data, 1); +} + +static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + if (err < 0) + return err; + + PDEBUG(D_CONF, "Set auto white balance to %d", val); + i2c_data = (i2c_data & 0xfe) | (val & 0x01); + err = m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + return err; +} + +static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev, + __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + if (err < 0) + return err; + + PDEBUG(D_CONF, "Set auto exposure to %d", val); + val = (val == V4L2_EXPOSURE_AUTO); + i2c_data = (i2c_data & 0xfd) | ((val & 0x01) << 1); + return m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); +} + +void po1030_disconnect(struct sd *sd) +{ + sd->sensor = NULL; +} + +static int po1030_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *) gspca_dev; + int err; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_AUTO_WHITE_BALANCE: + err = po1030_set_auto_white_balance(gspca_dev, ctrl->val); + if (err || ctrl->val) + return err; + err = po1030_set_green_balance(gspca_dev, sd->green_bal->val); + if (err) + return err; + err = po1030_set_red_balance(gspca_dev, sd->red_bal->val); + if (err) + return err; + err = po1030_set_blue_balance(gspca_dev, sd->blue_bal->val); + break; + case V4L2_CID_EXPOSURE_AUTO: + err = po1030_set_auto_exposure(gspca_dev, ctrl->val); + if (err || ctrl->val == V4L2_EXPOSURE_AUTO) + return err; + err = po1030_set_exposure(gspca_dev, sd->expo->val); + break; + case V4L2_CID_GAIN: + err = po1030_set_gain(gspca_dev, ctrl->val); + break; + case V4L2_CID_HFLIP: + err = po1030_set_hvflip(gspca_dev); + break; + default: + return -EINVAL; + } + + return err; +} + +static void po1030_dump_registers(struct sd *sd) +{ + int address; + u8 value = 0; + + pr_info("Dumping the po1030 sensor core registers\n"); + for (address = 0; address < 0x7f; address++) { + m5602_read_sensor(sd, address, &value, 1); + pr_info("register 0x%x contains 0x%x\n", address, value); + } + + pr_info("po1030 register state dump complete\n"); + + pr_info("Probing for which registers that are read/write\n"); + for (address = 0; address < 0xff; address++) { + u8 old_value, ctrl_value; + u8 test_value[2] = {0xff, 0xff}; + + m5602_read_sensor(sd, address, &old_value, 1); + m5602_write_sensor(sd, address, test_value, 1); + m5602_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value[0]) + pr_info("register 0x%x is writeable\n", address); + else + pr_info("register 0x%x is read only\n", address); + + /* Restore original value */ + m5602_write_sensor(sd, address, &old_value, 1); + } +} diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_po1030.h b/kernel/drivers/media/usb/gspca/m5602/m5602_po1030.h new file mode 100644 index 000000000..a6ab76149 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_po1030.h @@ -0,0 +1,274 @@ +/* + * Driver for the po1030 sensor. + * + * Copyright (c) 2008 Erik Andrén + * Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * Register defines taken from Pascal Stangs Procyon Armlib + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_PO1030_H_ +#define M5602_PO1030_H_ + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define PO1030_DEVID_H 0x00 +#define PO1030_DEVID_L 0x01 +#define PO1030_FRAMEWIDTH_H 0x04 +#define PO1030_FRAMEWIDTH_L 0x05 +#define PO1030_FRAMEHEIGHT_H 0x06 +#define PO1030_FRAMEHEIGHT_L 0x07 +#define PO1030_WINDOWX_H 0x08 +#define PO1030_WINDOWX_L 0x09 +#define PO1030_WINDOWY_H 0x0a +#define PO1030_WINDOWY_L 0x0b +#define PO1030_WINDOWWIDTH_H 0x0c +#define PO1030_WINDOWWIDTH_L 0x0d +#define PO1030_WINDOWHEIGHT_H 0x0e +#define PO1030_WINDOWHEIGHT_L 0x0f + +#define PO1030_GLOBALIBIAS 0x12 +#define PO1030_PIXELIBIAS 0x13 + +#define PO1030_GLOBALGAIN 0x15 +#define PO1030_RED_GAIN 0x16 +#define PO1030_GREEN_1_GAIN 0x17 +#define PO1030_BLUE_GAIN 0x18 +#define PO1030_GREEN_2_GAIN 0x19 + +#define PO1030_INTEGLINES_H 0x1a +#define PO1030_INTEGLINES_M 0x1b +#define PO1030_INTEGLINES_L 0x1c + +#define PO1030_CONTROL1 0x1d +#define PO1030_CONTROL2 0x1e +#define PO1030_CONTROL3 0x1f +#define PO1030_CONTROL4 0x20 + +#define PO1030_PERIOD50_H 0x23 +#define PO1030_PERIOD50_L 0x24 +#define PO1030_PERIOD60_H 0x25 +#define PO1030_PERIOD60_L 0x26 +#define PO1030_REGCLK167 0x27 +#define PO1030_FLICKER_DELTA50 0x28 +#define PO1030_FLICKERDELTA60 0x29 + +#define PO1030_ADCOFFSET 0x2c + +/* Gamma Correction Coeffs */ +#define PO1030_GC0 0x2d +#define PO1030_GC1 0x2e +#define PO1030_GC2 0x2f +#define PO1030_GC3 0x30 +#define PO1030_GC4 0x31 +#define PO1030_GC5 0x32 +#define PO1030_GC6 0x33 +#define PO1030_GC7 0x34 + +/* Color Transform Matrix */ +#define PO1030_CT0 0x35 +#define PO1030_CT1 0x36 +#define PO1030_CT2 0x37 +#define PO1030_CT3 0x38 +#define PO1030_CT4 0x39 +#define PO1030_CT5 0x3a +#define PO1030_CT6 0x3b +#define PO1030_CT7 0x3c +#define PO1030_CT8 0x3d + +#define PO1030_AUTOCTRL1 0x3e +#define PO1030_AUTOCTRL2 0x3f + +#define PO1030_YTARGET 0x40 +#define PO1030_GLOBALGAINMIN 0x41 +#define PO1030_GLOBALGAINMAX 0x42 + +#define PO1030_AWB_RED_TUNING 0x47 +#define PO1030_AWB_BLUE_TUNING 0x48 + +/* Output format control */ +#define PO1030_OUTFORMCTRL1 0x5a +#define PO1030_OUTFORMCTRL2 0x5b +#define PO1030_OUTFORMCTRL3 0x5c +#define PO1030_OUTFORMCTRL4 0x5d +#define PO1030_OUTFORMCTRL5 0x5e + +#define PO1030_EDGE_ENH_OFF 0x5f +#define PO1030_EGA 0x60 + +#define PO1030_Cb_U_GAIN 0x63 +#define PO1030_Cr_V_GAIN 0x64 + +#define PO1030_YCONTRAST 0x74 +#define PO1030_YSATURATION 0x75 + +#define PO1030_HFLIP (1 << 7) +#define PO1030_VFLIP (1 << 6) + +#define PO1030_HREF_ENABLE (1 << 6) + +#define PO1030_RAW_RGB_BAYER 0x4 + +#define PO1030_FRAME_EQUAL (1 << 3) +#define PO1030_AUTO_SUBSAMPLING (1 << 4) + +#define PO1030_WEIGHT_WIN_2X (1 << 3) + +#define PO1030_SHUTTER_MODE (1 << 6) +#define PO1030_AUTO_SUBSAMPLING (1 << 4) +#define PO1030_FRAME_EQUAL (1 << 3) + +#define PO1030_SENSOR_RESET (1 << 5) + +#define PO1030_SUBSAMPLING (1 << 6) + +/*****************************************************************************/ + +#define PO1030_GLOBAL_GAIN_DEFAULT 0x12 +#define PO1030_EXPOSURE_DEFAULT 0x0085 +#define PO1030_BLUE_GAIN_DEFAULT 0x36 +#define PO1030_RED_GAIN_DEFAULT 0x36 +#define PO1030_GREEN_GAIN_DEFAULT 0x40 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern bool dump_sensor; + +int po1030_probe(struct sd *sd); +int po1030_init(struct sd *sd); +int po1030_init_controls(struct sd *sd); +int po1030_start(struct sd *sd); +void po1030_disconnect(struct sd *sd); + +static const struct m5602_sensor po1030 = { + .name = "PO1030", + + .i2c_slave_id = 0xdc, + .i2c_regW = 1, + + .probe = po1030_probe, + .init = po1030_init, + .init_controls = po1030_init_controls, + .start = po1030_start, + .disconnect = po1030_disconnect, +}; + +static const unsigned char preinit_po1030[][3] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + + {SENSOR, PO1030_AUTOCTRL2, PO1030_SENSOR_RESET | (1 << 2)}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00} +}; + +static const unsigned char init_po1030[][3] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + + {SENSOR, PO1030_AUTOCTRL2, PO1030_SENSOR_RESET | (1 << 2)}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + + {SENSOR, PO1030_AUTOCTRL2, 0x04}, + + {SENSOR, PO1030_OUTFORMCTRL2, PO1030_RAW_RGB_BAYER}, + {SENSOR, PO1030_AUTOCTRL1, PO1030_WEIGHT_WIN_2X}, + + {SENSOR, PO1030_CONTROL2, 0x03}, + {SENSOR, 0x21, 0x90}, + {SENSOR, PO1030_YTARGET, 0x60}, + {SENSOR, 0x59, 0x13}, + {SENSOR, PO1030_OUTFORMCTRL1, PO1030_HREF_ENABLE}, + {SENSOR, PO1030_EDGE_ENH_OFF, 0x00}, + {SENSOR, PO1030_EGA, 0x80}, + {SENSOR, 0x78, 0x14}, + {SENSOR, 0x6f, 0x01}, + {SENSOR, PO1030_GLOBALGAINMAX, 0x14}, + {SENSOR, PO1030_Cb_U_GAIN, 0x38}, + {SENSOR, PO1030_Cr_V_GAIN, 0x38}, + {SENSOR, PO1030_CONTROL1, PO1030_SHUTTER_MODE | + PO1030_AUTO_SUBSAMPLING | + PO1030_FRAME_EQUAL}, + {SENSOR, PO1030_GC0, 0x10}, + {SENSOR, PO1030_GC1, 0x20}, + {SENSOR, PO1030_GC2, 0x40}, + {SENSOR, PO1030_GC3, 0x60}, + {SENSOR, PO1030_GC4, 0x80}, + {SENSOR, PO1030_GC5, 0xa0}, + {SENSOR, PO1030_GC6, 0xc0}, + {SENSOR, PO1030_GC7, 0xff}, + + /* Set the width to 751 */ + {SENSOR, PO1030_FRAMEWIDTH_H, 0x02}, + {SENSOR, PO1030_FRAMEWIDTH_L, 0xef}, + + /* Set the height to 540 */ + {SENSOR, PO1030_FRAMEHEIGHT_H, 0x02}, + {SENSOR, PO1030_FRAMEHEIGHT_L, 0x1c}, + + /* Set the x window to 1 */ + {SENSOR, PO1030_WINDOWX_H, 0x00}, + {SENSOR, PO1030_WINDOWX_L, 0x01}, + + /* Set the y window to 1 */ + {SENSOR, PO1030_WINDOWY_H, 0x00}, + {SENSOR, PO1030_WINDOWY_L, 0x01}, + + /* with a very low lighted environment increase the exposure but + * decrease the FPS (Frame Per Second) */ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00}, +}; +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c new file mode 100644 index 000000000..7d1259945 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c @@ -0,0 +1,564 @@ +/* + * Driver for the s5k4aa sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_s5k4aa.h" + +static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl); +static void s5k4aa_dump_registers(struct sd *sd); + +static const struct v4l2_ctrl_ops s5k4aa_ctrl_ops = { + .s_ctrl = s5k4aa_s_ctrl, +}; + +static + const + struct dmi_system_id s5k4aa_vflip_dmi_table[] = { + { + .ident = "BRUNEINIT", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "BRUNENIT"), + DMI_MATCH(DMI_PRODUCT_NAME, "BRUNENIT"), + DMI_MATCH(DMI_BOARD_VERSION, "00030D0000000001") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xa 2528", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xi 2428", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xi 2528", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2528") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xi 2550", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550") + } + }, { + .ident = "Fujitsu-Siemens Amilo Pa 2548", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548") + } + }, { + .ident = "Fujitsu-Siemens Amilo Pi 2530", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 2530") + } + }, { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "12/02/2008") + } + }, { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "07/26/2007") + } + }, { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "07/19/2007") + } + }, { + .ident = "MSI GX700/GX705/EX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700") + } + }, { + .ident = "MSI L735", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X") + } + }, { + .ident = "Lenovo Y300", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"), + DMI_MATCH(DMI_PRODUCT_NAME, "Y300") + } + }, + { } +}; + +static struct v4l2_pix_format s5k4aa_modes[] = { + { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + }, + { + 1280, + 1024, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 1280 * 1024, + .bytesperline = 1280, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + } +}; + +int s5k4aa_probe(struct sd *sd) +{ + u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75}; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + int i, err = 0; + + if (force_sensor) { + if (force_sensor == S5K4AA_SENSOR) { + pr_info("Forcing a %s sensor\n", s5k4aa.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + PDEBUG(D_PROBE, "Probing for a s5k4aa sensor"); + + /* Preinit the sensor */ + for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (preinit_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + preinit_s5k4aa[i][1], + preinit_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = preinit_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + preinit_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = preinit_s5k4aa[i][2]; + data[1] = preinit_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + preinit_s5k4aa[i][1], + data, 2); + break; + default: + pr_info("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + + /* Test some registers, but we don't know their exact meaning yet */ + if (m5602_read_sensor(sd, 0x00, prod_id, 2)) + return -ENODEV; + if (m5602_read_sensor(sd, 0x02, prod_id+2, 2)) + return -ENODEV; + if (m5602_read_sensor(sd, 0x04, prod_id+4, 2)) + return -ENODEV; + + if (memcmp(prod_id, expected_prod_id, sizeof(prod_id))) + return -ENODEV; + else + pr_info("Detected a s5k4aa sensor\n"); + +sensor_found: + sd->gspca_dev.cam.cam_mode = s5k4aa_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes); + + return 0; +} + +int s5k4aa_start(struct sd *sd) +{ + int i, err = 0; + u8 data[2]; + struct cam *cam = &sd->gspca_dev.cam; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) { + case 1280: + PDEBUG(D_CONF, "Configuring camera for SXGA mode"); + + for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) { + switch (SXGA_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + SXGA_s5k4aa[i][1], + SXGA_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = SXGA_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + SXGA_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = SXGA_s5k4aa[i][2]; + data[1] = SXGA_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + SXGA_s5k4aa[i][1], + data, 2); + break; + + default: + pr_err("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + break; + + case 640: + PDEBUG(D_CONF, "Configuring camera for VGA mode"); + + for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) { + switch (VGA_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + VGA_s5k4aa[i][1], + VGA_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = VGA_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + VGA_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = VGA_s5k4aa[i][2]; + data[1] = VGA_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + VGA_s5k4aa[i][1], + data, 2); + break; + + default: + pr_err("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + break; + } + if (err < 0) + return err; + + return 0; +} + +int s5k4aa_init(struct sd *sd) +{ + int i, err = 0; + + for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_s5k4aa[i][1], + init_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = init_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + init_s5k4aa[i][1], data, 1); + break; + + case SENSOR_LONG: + data[0] = init_s5k4aa[i][2]; + data[1] = init_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + init_s5k4aa[i][1], data, 2); + break; + default: + pr_info("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + + if (dump_sensor) + s5k4aa_dump_registers(sd); + + return err; +} + +int s5k4aa_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + sd->gspca_dev.vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 6); + + v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_BRIGHTNESS, + 0, 0x1f, 1, S5K4AA_DEFAULT_BRIGHTNESS); + + v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_EXPOSURE, + 13, 0xfff, 1, 0x100); + + v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_GAIN, + 0, 127, 1, S5K4AA_DEFAULT_GAIN); + + v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_SHARPNESS, + 0, 1, 1, 1); + + sd->hflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + + v4l2_ctrl_cluster(2, &sd->hflip); + + return 0; +} + +static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(D_CONF, "Set exposure to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + data = (val >> 8) & 0xff; + err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1); + if (err < 0) + return err; + data = val & 0xff; + err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1); + + return err; +} + +static int s5k4aa_set_hvflip(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + int hflip = sd->hflip->val; + int vflip = sd->vflip->val; + + PDEBUG(D_CONF, "Set hvflip %d %d", hflip, vflip); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + return err; + + if (dmi_check_system(s5k4aa_vflip_dmi_table)) { + hflip = !hflip; + vflip = !vflip; + } + + data = (data & 0x7f) | (vflip << 7) | (hflip << 6); + err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + if (err < 0) + return err; + if (hflip) + data &= 0xfe; + else + data |= 0x01; + err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + if (err < 0) + return err; + if (vflip) + data &= 0xfe; + else + data |= 0x01; + err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + if (err < 0) + return err; + + return 0; +} + +static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(D_CONF, "Set gain to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0xff; + err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1); + + return err; +} + +static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(D_CONF, "Set brightness to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0xff; + return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1); +} + +static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(D_CONF, "Set noise to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0x01; + return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1); +} + +static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + int err; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + err = s5k4aa_set_brightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_EXPOSURE: + err = s5k4aa_set_exposure(gspca_dev, ctrl->val); + break; + case V4L2_CID_GAIN: + err = s5k4aa_set_gain(gspca_dev, ctrl->val); + break; + case V4L2_CID_SHARPNESS: + err = s5k4aa_set_noise(gspca_dev, ctrl->val); + break; + case V4L2_CID_HFLIP: + err = s5k4aa_set_hvflip(gspca_dev); + break; + default: + return -EINVAL; + } + + return err; +} + +void s5k4aa_disconnect(struct sd *sd) +{ + sd->sensor = NULL; +} + +static void s5k4aa_dump_registers(struct sd *sd) +{ + int address; + u8 page, old_page; + m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); + for (page = 0; page < 16; page++) { + m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); + pr_info("Dumping the s5k4aa register state for page 0x%x\n", + page); + for (address = 0; address <= 0xff; address++) { + u8 value = 0; + m5602_read_sensor(sd, address, &value, 1); + pr_info("register 0x%x contains 0x%x\n", + address, value); + } + } + pr_info("s5k4aa register state dump complete\n"); + + for (page = 0; page < 16; page++) { + m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); + pr_info("Probing for which registers that are read/write for page 0x%x\n", + page); + for (address = 0; address <= 0xff; address++) { + u8 old_value, ctrl_value, test_value = 0xff; + + m5602_read_sensor(sd, address, &old_value, 1); + m5602_write_sensor(sd, address, &test_value, 1); + m5602_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value) + pr_info("register 0x%x is writeable\n", + address); + else + pr_info("register 0x%x is read only\n", + address); + + /* Restore original value */ + m5602_write_sensor(sd, address, &old_value, 1); + } + } + pr_info("Read/write register probing complete\n"); + m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); +} diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.h b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.h new file mode 100644 index 000000000..9953e9766 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.h @@ -0,0 +1,285 @@ +/* + * Driver for the s5k4aa sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_S5K4AA_H_ +#define M5602_S5K4AA_H_ + +#include <linux/dmi.h> + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define S5K4AA_PAGE_MAP 0xec + +#define S5K4AA_PAGE_MAP_0 0x00 +#define S5K4AA_PAGE_MAP_1 0x01 +#define S5K4AA_PAGE_MAP_2 0x02 + +/* Sensor register definitions for page 0x02 */ +#define S5K4AA_READ_MODE 0x03 +#define S5K4AA_ROWSTART_HI 0x04 +#define S5K4AA_ROWSTART_LO 0x05 +#define S5K4AA_COLSTART_HI 0x06 +#define S5K4AA_COLSTART_LO 0x07 +#define S5K4AA_WINDOW_HEIGHT_HI 0x08 +#define S5K4AA_WINDOW_HEIGHT_LO 0x09 +#define S5K4AA_WINDOW_WIDTH_HI 0x0a +#define S5K4AA_WINDOW_WIDTH_LO 0x0b +#define S5K4AA_GLOBAL_GAIN__ 0x0f +/* sync lost, if too low, reduces frame rate if too high */ +#define S5K4AA_H_BLANK_HI__ 0x1d +#define S5K4AA_H_BLANK_LO__ 0x1e +#define S5K4AA_EXPOSURE_HI 0x17 +#define S5K4AA_EXPOSURE_LO 0x18 +#define S5K4AA_BRIGHTNESS 0x1f /* (digital?) gain : 5 bits */ +#define S5K4AA_GAIN 0x20 /* (analogue?) gain : 7 bits */ +#define S5K4AA_NOISE_SUPP 0x37 + +#define S5K4AA_RM_ROW_SKIP_4X 0x08 +#define S5K4AA_RM_ROW_SKIP_2X 0x04 +#define S5K4AA_RM_COL_SKIP_4X 0x02 +#define S5K4AA_RM_COL_SKIP_2X 0x01 +#define S5K4AA_RM_H_FLIP 0x40 +#define S5K4AA_RM_V_FLIP 0x80 + +#define S5K4AA_DEFAULT_GAIN 0x5f +#define S5K4AA_DEFAULT_BRIGHTNESS 0x10 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern bool dump_sensor; + +int s5k4aa_probe(struct sd *sd); +int s5k4aa_init(struct sd *sd); +int s5k4aa_init_controls(struct sd *sd); +int s5k4aa_start(struct sd *sd); +void s5k4aa_disconnect(struct sd *sd); + +static const struct m5602_sensor s5k4aa = { + .name = "S5K4AA", + .i2c_slave_id = 0x5a, + .i2c_regW = 2, + + .probe = s5k4aa_probe, + .init = s5k4aa_init, + .init_controls = s5k4aa_init_controls, + .start = s5k4aa_start, + .disconnect = s5k4aa_disconnect, +}; + +static const unsigned char preinit_s5k4aa[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00} +}; + +static const unsigned char init_s5k4aa[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K4AA_PAGE_MAP, 0x07, 0x00}, + {SENSOR, 0x36, 0x01, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x0c, 0x05, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, + {SENSOR, S5K4AA_READ_MODE, 0xa0, 0x00}, + {SENSOR, 0x37, 0x00, 0x00}, +}; + +static const unsigned char VGA_s5k4aa[][4] = { + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + /* VSYNC_PARA, VSYNC_PARA : img height 480 = 0x01e0 */ + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe0, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + /* HSYNC_PARA, HSYNC_PARA : img width 640 = 0x0280 */ + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x80, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, /* 48 MHz */ + + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP | S5K4AA_RM_ROW_SKIP_2X + | S5K4AA_RM_COL_SKIP_2X, 0x00}, + /* 0x37 : Fix image stability when light is too bright and improves + * image quality in 640x480, but worsens it in 1280x1024 */ + {SENSOR, 0x37, 0x01, 0x00}, + /* ROWSTART_HI, ROWSTART_LO : 10 + (1024-960)/2 = 42 = 0x002a */ + {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_LO, 0x29, 0x00}, + {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_COLSTART_LO, 0x0c, 0x00}, + /* window_height_hi, window_height_lo : 960 = 0x03c0 */ + {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x03, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0xc0, 0x00}, + /* window_width_hi, window_width_lo : 1280 = 0x0500 */ + {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_HI__, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00}, /* helps to sync... */ + {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00}, + {SENSOR, 0x11, 0x04, 0x00}, + {SENSOR, 0x12, 0xc3, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, +}; + +static const unsigned char SXGA_s5k4aa[][4] = { + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + /* VSYNC_PARA, VSYNC_PARA : img height 1024 = 0x0400 */ + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + /* HSYNC_PARA, HSYNC_PARA : img width 1280 = 0x0500 */ + {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, /* 48 MHz */ + + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP, 0x00}, + {SENSOR, 0x37, 0x01, 0x00}, + {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_LO, 0x09, 0x00}, + {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_COLSTART_LO, 0x0a, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x04, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_HI__, 0x01, 0x00}, + {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00}, + {SENSOR, 0x11, 0x04, 0x00}, + {SENSOR, 0x12, 0xc3, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, +}; +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_s5k83a.c b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k83a.c new file mode 100644 index 000000000..7cbc3a00b --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k83a.c @@ -0,0 +1,456 @@ +/* + * Driver for the s5k83a sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kthread.h> +#include "m5602_s5k83a.h" + +static int s5k83a_s_ctrl(struct v4l2_ctrl *ctrl); + +static const struct v4l2_ctrl_ops s5k83a_ctrl_ops = { + .s_ctrl = s5k83a_s_ctrl, +}; + +static struct v4l2_pix_format s5k83a_modes[] = { + { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + } +}; + +static void s5k83a_dump_registers(struct sd *sd); +static int s5k83a_get_rotation(struct sd *sd, u8 *reg_data); +static int s5k83a_set_led_indication(struct sd *sd, u8 val); +static int s5k83a_set_flip_real(struct gspca_dev *gspca_dev, + __s32 vflip, __s32 hflip); + +int s5k83a_probe(struct sd *sd) +{ + u8 prod_id = 0, ver_id = 0; + int i, err = 0; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + if (force_sensor) { + if (force_sensor == S5K83A_SENSOR) { + pr_info("Forcing a %s sensor\n", s5k83a.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + PDEBUG(D_PROBE, "Probing for a s5k83a sensor"); + + /* Preinit the sensor */ + for (i = 0; i < ARRAY_SIZE(preinit_s5k83a) && !err; i++) { + u8 data[2] = {preinit_s5k83a[i][2], preinit_s5k83a[i][3]}; + if (preinit_s5k83a[i][0] == SENSOR) + err = m5602_write_sensor(sd, preinit_s5k83a[i][1], + data, 2); + else + err = m5602_write_bridge(sd, preinit_s5k83a[i][1], + data[0]); + } + + /* We don't know what register (if any) that contain the product id + * Just pick the first addresses that seem to produce the same results + * on multiple machines */ + if (m5602_read_sensor(sd, 0x00, &prod_id, 1)) + return -ENODEV; + + if (m5602_read_sensor(sd, 0x01, &ver_id, 1)) + return -ENODEV; + + if ((prod_id == 0xff) || (ver_id == 0xff)) + return -ENODEV; + else + pr_info("Detected a s5k83a sensor\n"); + +sensor_found: + sd->gspca_dev.cam.cam_mode = s5k83a_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k83a_modes); + + /* null the pointer! thread is't running now */ + sd->rotation_thread = NULL; + + return 0; +} + +int s5k83a_init(struct sd *sd) +{ + int i, err = 0; + + for (i = 0; i < ARRAY_SIZE(init_s5k83a) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_s5k83a[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_s5k83a[i][1], + init_s5k83a[i][2]); + break; + + case SENSOR: + data[0] = init_s5k83a[i][2]; + err = m5602_write_sensor(sd, + init_s5k83a[i][1], data, 1); + break; + + case SENSOR_LONG: + data[0] = init_s5k83a[i][2]; + data[1] = init_s5k83a[i][3]; + err = m5602_write_sensor(sd, + init_s5k83a[i][1], data, 2); + break; + default: + pr_info("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + + if (dump_sensor) + s5k83a_dump_registers(sd); + + return err; +} + +int s5k83a_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + sd->gspca_dev.vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 6); + + v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_BRIGHTNESS, + 0, 255, 1, S5K83A_DEFAULT_BRIGHTNESS); + + v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_EXPOSURE, + 0, S5K83A_MAXIMUM_EXPOSURE, 1, + S5K83A_DEFAULT_EXPOSURE); + + v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_GAIN, + 0, 255, 1, S5K83A_DEFAULT_GAIN); + + sd->hflip = v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + + v4l2_ctrl_cluster(2, &sd->hflip); + + return 0; +} + +static int rotation_thread_function(void *data) +{ + struct sd *sd = (struct sd *) data; + u8 reg, previous_rotation = 0; + __s32 vflip, hflip; + + set_current_state(TASK_INTERRUPTIBLE); + while (!schedule_timeout(100)) { + if (mutex_lock_interruptible(&sd->gspca_dev.usb_lock)) + break; + + s5k83a_get_rotation(sd, ®); + if (previous_rotation != reg) { + previous_rotation = reg; + pr_info("Camera was flipped\n"); + + hflip = sd->hflip->val; + vflip = sd->vflip->val; + + if (reg) { + vflip = !vflip; + hflip = !hflip; + } + s5k83a_set_flip_real((struct gspca_dev *) sd, + vflip, hflip); + } + + mutex_unlock(&sd->gspca_dev.usb_lock); + set_current_state(TASK_INTERRUPTIBLE); + } + + /* return to "front" flip */ + if (previous_rotation) { + hflip = sd->hflip->val; + vflip = sd->vflip->val; + s5k83a_set_flip_real((struct gspca_dev *) sd, vflip, hflip); + } + + sd->rotation_thread = NULL; + return 0; +} + +int s5k83a_start(struct sd *sd) +{ + int i, err = 0; + + /* Create another thread, polling the GPIO ports of the camera to check + if it got rotated. This is how the windows driver does it so we have + to assume that there is no better way of accomplishing this */ + sd->rotation_thread = kthread_create(rotation_thread_function, + sd, "rotation thread"); + wake_up_process(sd->rotation_thread); + + /* Preinit the sensor */ + for (i = 0; i < ARRAY_SIZE(start_s5k83a) && !err; i++) { + u8 data[2] = {start_s5k83a[i][2], start_s5k83a[i][3]}; + if (start_s5k83a[i][0] == SENSOR) + err = m5602_write_sensor(sd, start_s5k83a[i][1], + data, 2); + else + err = m5602_write_bridge(sd, start_s5k83a[i][1], + data[0]); + } + if (err < 0) + return err; + + return s5k83a_set_led_indication(sd, 1); +} + +int s5k83a_stop(struct sd *sd) +{ + if (sd->rotation_thread) + kthread_stop(sd->rotation_thread); + + return s5k83a_set_led_indication(sd, 0); +} + +void s5k83a_disconnect(struct sd *sd) +{ + s5k83a_stop(sd); + + sd->sensor = NULL; +} + +static int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x00; + data[1] = 0x20; + err = m5602_write_sensor(sd, 0x14, data, 2); + if (err < 0) + return err; + + data[0] = 0x01; + data[1] = 0x00; + err = m5602_write_sensor(sd, 0x0d, data, 2); + if (err < 0) + return err; + + /* FIXME: This is not sane, we need to figure out the composition + of these registers */ + data[0] = val >> 3; /* gain, high 5 bits */ + data[1] = val >> 1; /* gain, high 7 bits */ + err = m5602_write_sensor(sd, S5K83A_GAIN, data, 2); + + return err; +} + +static int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = val; + err = m5602_write_sensor(sd, S5K83A_BRIGHTNESS, data, 1); + return err; +} + +static int s5k83a_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0; + data[1] = val; + err = m5602_write_sensor(sd, S5K83A_EXPOSURE, data, 2); + return err; +} + +static int s5k83a_set_flip_real(struct gspca_dev *gspca_dev, + __s32 vflip, __s32 hflip) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x05; + err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1); + if (err < 0) + return err; + + /* six bit is vflip, seven is hflip */ + data[0] = S5K83A_FLIP_MASK; + data[0] = (vflip) ? data[0] | 0x40 : data[0]; + data[0] = (hflip) ? data[0] | 0x80 : data[0]; + + err = m5602_write_sensor(sd, S5K83A_FLIP, data, 1); + if (err < 0) + return err; + + data[0] = (vflip) ? 0x0b : 0x0a; + err = m5602_write_sensor(sd, S5K83A_VFLIP_TUNE, data, 1); + if (err < 0) + return err; + + data[0] = (hflip) ? 0x0a : 0x0b; + err = m5602_write_sensor(sd, S5K83A_HFLIP_TUNE, data, 1); + return err; +} + +static int s5k83a_set_hvflip(struct gspca_dev *gspca_dev) +{ + int err; + u8 reg; + struct sd *sd = (struct sd *) gspca_dev; + int hflip = sd->hflip->val; + int vflip = sd->vflip->val; + + err = s5k83a_get_rotation(sd, ®); + if (err < 0) + return err; + if (reg) { + hflip = !hflip; + vflip = !vflip; + } + + err = s5k83a_set_flip_real(gspca_dev, vflip, hflip); + return err; +} + +static int s5k83a_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + int err; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + err = s5k83a_set_brightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_EXPOSURE: + err = s5k83a_set_exposure(gspca_dev, ctrl->val); + break; + case V4L2_CID_GAIN: + err = s5k83a_set_gain(gspca_dev, ctrl->val); + break; + case V4L2_CID_HFLIP: + err = s5k83a_set_hvflip(gspca_dev); + break; + default: + return -EINVAL; + } + + return err; +} + +static int s5k83a_set_led_indication(struct sd *sd, u8 val) +{ + int err = 0; + u8 data[1]; + + err = m5602_read_bridge(sd, M5602_XB_GPIO_DAT, data); + if (err < 0) + return err; + + if (val) + data[0] = data[0] | S5K83A_GPIO_LED_MASK; + else + data[0] = data[0] & ~S5K83A_GPIO_LED_MASK; + + err = m5602_write_bridge(sd, M5602_XB_GPIO_DAT, data[0]); + + return err; +} + +/* Get camera rotation on Acer notebooks */ +static int s5k83a_get_rotation(struct sd *sd, u8 *reg_data) +{ + int err = m5602_read_bridge(sd, M5602_XB_GPIO_DAT, reg_data); + *reg_data = (*reg_data & S5K83A_GPIO_ROTATION_MASK) ? 0 : 1; + return err; +} + +static void s5k83a_dump_registers(struct sd *sd) +{ + int address; + u8 page, old_page; + m5602_read_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1); + + for (page = 0; page < 16; page++) { + m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1); + pr_info("Dumping the s5k83a register state for page 0x%x\n", + page); + for (address = 0; address <= 0xff; address++) { + u8 val = 0; + m5602_read_sensor(sd, address, &val, 1); + pr_info("register 0x%x contains 0x%x\n", address, val); + } + } + pr_info("s5k83a register state dump complete\n"); + + for (page = 0; page < 16; page++) { + m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1); + pr_info("Probing for which registers that are read/write for page 0x%x\n", + page); + for (address = 0; address <= 0xff; address++) { + u8 old_val, ctrl_val, test_val = 0xff; + + m5602_read_sensor(sd, address, &old_val, 1); + m5602_write_sensor(sd, address, &test_val, 1); + m5602_read_sensor(sd, address, &ctrl_val, 1); + + if (ctrl_val == test_val) + pr_info("register 0x%x is writeable\n", + address); + else + pr_info("register 0x%x is read only\n", + address); + + /* Restore original val */ + m5602_write_sensor(sd, address, &old_val, 1); + } + } + pr_info("Read/write register probing complete\n"); + m5602_write_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1); +} diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_s5k83a.h b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k83a.h new file mode 100644 index 000000000..d61b91822 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k83a.h @@ -0,0 +1,188 @@ +/* + * Driver for the s5k83a sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_S5K83A_H_ +#define M5602_S5K83A_H_ + +#include "m5602_sensor.h" + +#define S5K83A_FLIP 0x01 +#define S5K83A_HFLIP_TUNE 0x03 +#define S5K83A_VFLIP_TUNE 0x05 +#define S5K83A_BRIGHTNESS 0x0a +#define S5K83A_EXPOSURE 0x18 +#define S5K83A_GAIN 0x1b +#define S5K83A_PAGE_MAP 0xec + +#define S5K83A_DEFAULT_GAIN 0x71 +#define S5K83A_DEFAULT_BRIGHTNESS 0x7e +#define S5K83A_DEFAULT_EXPOSURE 0x00 +#define S5K83A_MAXIMUM_EXPOSURE 0x3c +#define S5K83A_FLIP_MASK 0x10 +#define S5K83A_GPIO_LED_MASK 0x10 +#define S5K83A_GPIO_ROTATION_MASK 0x40 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern bool dump_sensor; + +int s5k83a_probe(struct sd *sd); +int s5k83a_init(struct sd *sd); +int s5k83a_init_controls(struct sd *sd); +int s5k83a_start(struct sd *sd); +int s5k83a_stop(struct sd *sd); +void s5k83a_disconnect(struct sd *sd); + +static const struct m5602_sensor s5k83a = { + .name = "S5K83A", + .probe = s5k83a_probe, + .init = s5k83a_init, + .init_controls = s5k83a_init_controls, + .start = s5k83a_start, + .stop = s5k83a_stop, + .disconnect = s5k83a_disconnect, + .i2c_slave_id = 0x5a, + .i2c_regW = 2, +}; + +static const unsigned char preinit_s5k83a[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, +}; + +/* This could probably be considerably shortened. + I don't have the hardware to experiment with it, patches welcome +*/ +static const unsigned char init_s5k83a[][4] = { + /* The following sequence is useless after a clean boot + but is necessary after resume from suspend */ + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x04, 0x00}, + {SENSOR, 0xaf, 0x01, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x01, 0x50, 0x00}, + {SENSOR, 0x12, 0x20, 0x00}, + {SENSOR, 0x17, 0x40, 0x00}, + {SENSOR, 0x1c, 0x00, 0x00}, + {SENSOR, 0x02, 0x70, 0x00}, + {SENSOR, 0x03, 0x0b, 0x00}, + {SENSOR, 0x04, 0xf0, 0x00}, + {SENSOR, 0x05, 0x0b, 0x00}, + {SENSOR, 0x06, 0x71, 0x00}, + {SENSOR, 0x07, 0xe8, 0x00}, /* 488 */ + {SENSOR, 0x08, 0x02, 0x00}, + {SENSOR, 0x09, 0x88, 0x00}, /* 648 */ + {SENSOR, 0x14, 0x00, 0x00}, + {SENSOR, 0x15, 0x20, 0x00}, /* 32 */ + {SENSOR, 0x19, 0x00, 0x00}, + {SENSOR, 0x1a, 0x98, 0x00}, /* 152 */ + {SENSOR, 0x0f, 0x02, 0x00}, + {SENSOR, 0x10, 0xe5, 0x00}, /* 741 */ + /* normal colors + (this is value after boot, but after tries can be different) */ + {SENSOR, 0x00, 0x06, 0x00}, +}; + +static const unsigned char start_s5k83a[][4] = { + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe4, 0x00}, /* 484 */ + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x7f, 0x00}, /* 639 */ + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, +}; +#endif diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_sensor.h b/kernel/drivers/media/usb/gspca/m5602/m5602_sensor.h new file mode 100644 index 000000000..48341b4d6 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/m5602/m5602_sensor.h @@ -0,0 +1,73 @@ +/* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_SENSOR_H_ +#define M5602_SENSOR_H_ + +#include "m5602_bridge.h" + +#define M5602_V4L2_CID_GREEN_BALANCE (V4L2_CID_PRIVATE_BASE + 0) +#define M5602_V4L2_CID_NOISE_SUPPRESION (V4L2_CID_PRIVATE_BASE + 1) + +/* Enumerates all supported sensors */ +enum sensors { + OV9650_SENSOR = 1, + S5K83A_SENSOR = 2, + S5K4AA_SENSOR = 3, + MT9M111_SENSOR = 4, + PO1030_SENSOR = 5, + OV7660_SENSOR = 6, +}; + +/* Enumerates all possible instruction types */ +enum instruction { + BRIDGE, + SENSOR, + SENSOR_LONG +}; + +struct m5602_sensor { + /* Defines the name of a sensor */ + char name[32]; + + /* What i2c address the sensor is connected to */ + u8 i2c_slave_id; + + /* Width of each i2c register (in bytes) */ + u8 i2c_regW; + + /* Probes if the sensor is connected */ + int (*probe)(struct sd *sd); + + /* Performs a initialization sequence */ + int (*init)(struct sd *sd); + + /* Controls initialization, maybe NULL */ + int (*init_controls)(struct sd *sd); + + /* Executed when the camera starts to send data */ + int (*start)(struct sd *sd); + + /* Executed when the camera ends to send data */ + int (*stop)(struct sd *sd); + + /* Executed when the device is disconnected */ + void (*disconnect)(struct sd *sd); +}; + +#endif |