[mirror_ubuntu-bionic-kernel.git] / drivers / staging / go7007 / s2250-board.c

/*
 * Copyright (C) 2008 Sensoray Company Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (Version 2) as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/v4l2-common.h>
#include <media/v4l2-i2c-drv.h>
#include <media/v4l2-subdev.h>
#include "go7007-priv.h"

MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
MODULE_LICENSE("GPL v2");

#define TLV320_ADDRESS      0x34
#define VPX322_ADDR_ANALOGCONTROL1	0x02
#define VPX322_ADDR_BRIGHTNESS0		0x0127
#define VPX322_ADDR_BRIGHTNESS1		0x0131
#define VPX322_ADDR_CONTRAST0		0x0128
#define VPX322_ADDR_CONTRAST1		0x0132
#define VPX322_ADDR_HUE			0x00dc
#define VPX322_ADDR_SAT			0x0030

struct go7007_usb_board {
	unsigned int flags;
	struct go7007_board_info main_info;
};

struct go7007_usb {
	struct go7007_usb_board *board;
	struct mutex i2c_lock;
	struct usb_device *usbdev;
	struct urb *video_urbs[8];
	struct urb *audio_urbs[8];
	struct urb *intr_urb;
};

static unsigned char aud_regs[] = {
	0x1e, 0x00,
	0x00, 0x17,
	0x02, 0x17,
	0x04, 0xf9,
	0x06, 0xf9,
	0x08, 0x02,
	0x0a, 0x00,
	0x0c, 0x00,
	0x0a, 0x00,
	0x0c, 0x00,
	0x0e, 0x02,
	0x10, 0x00,
	0x12, 0x01,
	0x00, 0x00,
};


static unsigned char vid_regs[] = {
	0xF2, 0x0f,
	0xAA, 0x00,
	0xF8, 0xff,
	0x00, 0x00,
};

static u16 vid_regs_fp[] = {
	0x028, 0x067,
	0x120, 0x016,
	0x121, 0xcF2,
	0x122, 0x0F2,
	0x123, 0x00c,
	0x124, 0x2d0,
	0x125, 0x2e0,
	0x126, 0x004,
	0x128, 0x1E0,
	0x12A, 0x016,
	0x12B, 0x0F2,
	0x12C, 0x0F2,
	0x12D, 0x00c,
	0x12E, 0x2d0,
	0x12F, 0x2e0,
	0x130, 0x004,
	0x132, 0x1E0,
	0x140, 0x060,
	0x153, 0x00C,
	0x154, 0x200,
	0x150, 0x801,
	0x000, 0x000
};

/* PAL specific values */
static u16 vid_regs_fp_pal[] =
{
	0x120, 0x017,
	0x121, 0xd22,
	0x122, 0x122,
	0x12A, 0x017,
	0x12B, 0x122,
	0x12C, 0x122,
	0x140, 0x060,
	0x000, 0x000,
};

struct s2250 {
	struct v4l2_subdev sd;
	v4l2_std_id std;
	int input;
	int brightness;
	int contrast;
	int saturation;
	int hue;
	int reg12b_val;
	int audio_input;
	struct i2c_client *audio;
};

static inline struct s2250 *to_state(struct v4l2_subdev *sd)
{
	return container_of(sd, struct s2250, sd);
}

/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
	u16 value, u16 index, void *transfer_buffer, int length, int in)
{
	struct go7007_usb *usb = go->hpi_context;
	int timeout = 5000;

	if (in) {
		return usb_control_msg(usb->usbdev,
				usb_rcvctrlpipe(usb->usbdev, 0), request,
				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
				value, index, transfer_buffer, length, timeout);
	} else {
		return usb_control_msg(usb->usbdev,
				usb_sndctrlpipe(usb->usbdev, 0), request,
				USB_TYPE_VENDOR | USB_RECIP_DEVICE,
				value, index, transfer_buffer, length, timeout);
	}
}
/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/

static int write_reg(struct i2c_client *client, u8 reg, u8 value)
{
	struct go7007 *go = i2c_get_adapdata(client->adapter);
	struct go7007_usb *usb;
	int rc;
	int dev_addr = client->addr << 1;  /* firmware wants 8-bit address */
	u8 *buf;

	if (go == NULL)
		return -ENODEV;

	if (go->status == STATUS_SHUTDOWN)
		return -EBUSY;

	buf = kzalloc(16, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	usb = go->hpi_context;
	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
		printk(KERN_INFO "i2c lock failed\n");
		kfree(buf);
		return -EINTR;
	}
	rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
				       (reg<<8 | value),
				       buf,
				       16, 1);

	mutex_unlock(&usb->i2c_lock);
	kfree(buf);
	return rc;
}

static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
{
	struct go7007 *go = i2c_get_adapdata(client->adapter);
	struct go7007_usb *usb;
	u8 *buf;
	struct s2250 *dec = i2c_get_clientdata(client);

	if (go == NULL)
		return -ENODEV;

	if (go->status == STATUS_SHUTDOWN)
		return -EBUSY;

	buf = kzalloc(16, GFP_KERNEL);

	if (buf == NULL)
		return -ENOMEM;


	memset(buf, 0xcd, 6);

	usb = go->hpi_context;
	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
		printk(KERN_INFO "i2c lock failed\n");
		kfree(buf);
		return -EINTR;
	}
	if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0) {
		kfree(buf);
		return -EFAULT;
	}

	mutex_unlock(&usb->i2c_lock);
	if (buf[0] == 0) {
		unsigned int subaddr, val_read;

		subaddr = (buf[4] << 8) + buf[5];
		val_read = (buf[2] << 8) + buf[3];
		kfree(buf);
		if (val_read != val) {
			printk(KERN_INFO "invalid fp write %x %x\n",
			       val_read, val);
			return -EFAULT;
		}
		if (subaddr != addr) {
			printk(KERN_INFO "invalid fp write addr %x %x\n",
			       subaddr, addr);
			return -EFAULT;
		}
	} else {
		kfree(buf);
		return -EFAULT;
	}

	/* save last 12b value */
	if (addr == 0x12b)
		dec->reg12b_val = val;

	return 0;
}

static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val)
{
	struct go7007 *go = i2c_get_adapdata(client->adapter);
	struct go7007_usb *usb;
	u8 *buf;

	if (go == NULL)
		return -ENODEV;

	if (go->status == STATUS_SHUTDOWN)
		return -EBUSY;

	buf = kzalloc(16, GFP_KERNEL);

	if (buf == NULL)
		return -ENOMEM;


	memset(buf, 0xcd, 6);
	usb = go->hpi_context;
	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
		printk(KERN_INFO "i2c lock failed\n");
		kfree(buf);
		return -EINTR;
	}
	if (go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1) < 0) {
		kfree(buf);
		return -EFAULT;
	}
	mutex_unlock(&usb->i2c_lock);

	*val = (buf[0] << 8) | buf[1];
	kfree(buf);

	return 0;
}


static int write_regs(struct i2c_client *client, u8 *regs)
{
	int i;

	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
		if (write_reg(client, regs[i], regs[i+1]) < 0) {
			printk(KERN_INFO "s2250: failed\n");
			return -1;
		}
	}
	return 0;
}

static int write_regs_fp(struct i2c_client *client, u16 *regs)
{
	int i;

	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
		if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
			printk(KERN_INFO "s2250: failed fp\n");
			return -1;
		}
	}
	return 0;
}


/* ------------------------------------------------------------------------- */

static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
				 u32 config)
{
	struct s2250 *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);
	int vidsys;

	vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
	if (input == 0) {
		/* composite */
		write_reg_fp(client, 0x20, 0x020 | vidsys);
		write_reg_fp(client, 0x21, 0x662);
		write_reg_fp(client, 0x140, 0x060);
	} else if (input == 1) {
		/* S-Video */
		write_reg_fp(client, 0x20, 0x040 | vidsys);
		write_reg_fp(client, 0x21, 0x666);
		write_reg_fp(client, 0x140, 0x060);
	} else {
		return -EINVAL;
	}
	state->input = input;
	return 0;
}

static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
{
	struct s2250 *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);
	u16 vidsource;

	vidsource = (state->input == 1) ? 0x040 : 0x020;
	switch (norm) {
	case V4L2_STD_NTSC:
		write_regs_fp(client, vid_regs_fp);
		write_reg_fp(client, 0x20, vidsource | 1);
		break;
	case V4L2_STD_PAL:
		write_regs_fp(client, vid_regs_fp);
		write_regs_fp(client, vid_regs_fp_pal);
		write_reg_fp(client, 0x20, vidsource);
		break;
	default:
		return -EINVAL;
	}
	state->std = norm;
	return 0;
}

static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query)
{
	switch (query->id) {
	case V4L2_CID_BRIGHTNESS:
		return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
	case V4L2_CID_CONTRAST:
		return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
	case V4L2_CID_SATURATION:
		return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
	case V4L2_CID_HUE:
		return v4l2_ctrl_query_fill(query, -50, 50, 1, 0);
	default:
		return -EINVAL;
	}
	return 0;
}

static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	struct s2250 *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);
	int value1;
	u16 oldvalue;

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		if (ctrl->value > 100)
			state->brightness = 100;
		else if (ctrl->value < 0)
			state->brightness = 0;
		else
			state->brightness = ctrl->value;
		value1 = (state->brightness - 50) * 255 / 100;
		read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
			     value1 | (oldvalue & ~0xff));
		read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
			     value1 | (oldvalue & ~0xff));
		write_reg_fp(client, 0x140, 0x60);
		break;
	case V4L2_CID_CONTRAST:
		if (ctrl->value > 100)
			state->contrast = 100;
		else if (ctrl->value < 0)
			state->contrast = 0;
		else
			state->contrast = ctrl->value;
		value1 = state->contrast * 0x40 / 100;
		if (value1 > 0x3f)
			value1 = 0x3f; /* max */
		read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_CONTRAST0,
			     value1 | (oldvalue & ~0x3f));
		read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_CONTRAST1,
			     value1 | (oldvalue & ~0x3f));
		write_reg_fp(client, 0x140, 0x60);
		break;
	case V4L2_CID_SATURATION:
		if (ctrl->value > 100)
			state->saturation = 100;
		else if (ctrl->value < 0)
			state->saturation = 0;
		else
			state->saturation = ctrl->value;
		value1 = state->saturation * 4140 / 100;
		if (value1 > 4094)
			value1 = 4094;
		write_reg_fp(client, VPX322_ADDR_SAT, value1);
		break;
	case V4L2_CID_HUE:
		if (ctrl->value > 50)
			state->hue = 50;
		else if (ctrl->value < -50)
			state->hue = -50;
		else
			state->hue = ctrl->value;
		/* clamp the hue range */
		value1 = state->hue * 280 / 50;
		write_reg_fp(client, VPX322_ADDR_HUE, value1);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	struct s2250 *state = to_state(sd);

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		ctrl->value = state->brightness;
		break;
	case V4L2_CID_CONTRAST:
		ctrl->value = state->contrast;
		break;
	case V4L2_CID_SATURATION:
		ctrl->value = state->saturation;
		break;
	case V4L2_CID_HUE:
		ctrl->value = state->hue;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int s2250_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
	struct s2250 *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	if (fmt->fmt.pix.height < 640) {
		write_reg_fp(client, 0x12b, state->reg12b_val | 0x400);
		write_reg_fp(client, 0x140, 0x060);
	} else {
		write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
		write_reg_fp(client, 0x140, 0x060);
	}
	return 0;
}

static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
				 u32 config)
{
	struct s2250 *state = to_state(sd);

	switch (input) {
	case 0:
		write_reg(state->audio, 0x08, 0x02); /* Line In */
		break;
	case 1:
		write_reg(state->audio, 0x08, 0x04); /* Mic */
		break;
	case 2:
		write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
		break;
	default:
		return -EINVAL;
	}
	state->audio_input = input;
	return 0;
}


static int s2250_log_status(struct v4l2_subdev *sd)
{
	struct s2250 *state = to_state(sd);

	v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
					state->std == V4L2_STD_PAL ? "PAL" :
					state->std == V4L2_STD_SECAM ? "SECAM" :
					"unknown");
	v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
					state->input == 1 ? "S-video" :
					"error");
	v4l2_info(sd, "Brightness: %d\n", state->brightness);
	v4l2_info(sd, "Contrast: %d\n", state->contrast);
	v4l2_info(sd, "Saturation: %d\n", state->saturation);
	v4l2_info(sd, "Hue: %d\n", state->hue);	return 0;
	v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
					state->audio_input == 1 ? "Mic" :
					state->audio_input == 2 ? "Mic Boost" :
					"error");
	return 0;
}

/* --------------------------------------------------------------------------*/

static const struct v4l2_subdev_core_ops s2250_core_ops = {
	.log_status = s2250_log_status,
	.g_ctrl = s2250_g_ctrl,
	.s_ctrl = s2250_s_ctrl,
	.queryctrl = s2250_queryctrl,
	.s_std = s2250_s_std,
};

static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
	.s_routing = s2250_s_audio_routing,
};

static const struct v4l2_subdev_video_ops s2250_video_ops = {
	.s_routing = s2250_s_video_routing,
	.s_fmt = s2250_s_fmt,
};

static const struct v4l2_subdev_ops s2250_ops = {
	.core = &s2250_core_ops,
	.audio = &s2250_audio_ops,
	.video = &s2250_video_ops,
};

/* --------------------------------------------------------------------------*/

static int s2250_probe(struct i2c_client *client,
		       const struct i2c_device_id *id)
{
	struct i2c_client *audio;
	struct i2c_adapter *adapter = client->adapter;
	struct s2250 *state;
	struct v4l2_subdev *sd;
	u8 *data;
	struct go7007 *go = i2c_get_adapdata(adapter);
	struct go7007_usb *usb = go->hpi_context;

	audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
	if (audio == NULL)
		return -ENOMEM;

	state = kmalloc(sizeof(struct s2250), GFP_KERNEL);
	if (state == NULL) {
		i2c_unregister_device(audio);
		return -ENOMEM;
	}

	sd = &state->sd;
	v4l2_i2c_subdev_init(sd, client, &s2250_ops);

	v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
	       "Sensoray 2250/2251", client->addr, client->adapter->name);

	state->std = V4L2_STD_NTSC;
	state->brightness = 50;
	state->contrast = 50;
	state->saturation = 50;
	state->hue = 0;
	state->audio = audio;

	/* initialize the audio */
	if (write_regs(audio, aud_regs) < 0) {
		printk(KERN_ERR
		       "s2250: error initializing audio\n");
		i2c_unregister_device(audio);
		kfree(state);
		return 0;
	}

	if (write_regs(client, vid_regs) < 0) {
		printk(KERN_ERR
		       "s2250: error initializing decoder\n");
		i2c_unregister_device(audio);
		kfree(state);
		return 0;
	}
	if (write_regs_fp(client, vid_regs_fp) < 0) {
		printk(KERN_ERR
		       "s2250: error initializing decoder\n");
		i2c_unregister_device(audio);
		kfree(state);
		return 0;
	}
	/* set default channel */
	/* composite */
	write_reg_fp(client, 0x20, 0x020 | 1);
	write_reg_fp(client, 0x21, 0x662);
	write_reg_fp(client, 0x140, 0x060);

	/* set default audio input */
	state->audio_input = 0;
	write_reg(client, 0x08, 0x02); /* Line In */

	if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
		data = kzalloc(16, GFP_KERNEL);
		if (data != NULL) {
			int rc;
			rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
						       data, 16, 1);
			if (rc > 0) {
				u8 mask;
				data[0] = 0;
				mask = 1<<5;
				data[0] &= ~mask;
				data[1] |= mask;
				go7007_usb_vendor_request(go, 0x40, 0,
							  (data[1]<<8)
							  + data[1],
							  data, 16, 0);
			}
			kfree(data);
		}
		mutex_unlock(&usb->i2c_lock);
	}

	v4l2_info(sd, "initialized successfully\n");
	return 0;
}

static int s2250_remove(struct i2c_client *client)
{
	struct v4l2_subdev *sd = i2c_get_clientdata(client);

	v4l2_device_unregister_subdev(sd);
	kfree(to_state(sd));
	return 0;
}

static const struct i2c_device_id s2250_id[] = {
	{ "s2250", 0 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, s2250_id);

static struct v4l2_i2c_driver_data v4l2_i2c_data = {
	.name = "s2250",
	.probe = s2250_probe,
	.remove = s2250_remove,
	.id_table = s2250_id,
};
Commit	Line	Data
b11869db PE	1	/*
	2	* Copyright (C) 2008 Sensoray Company Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License (Version 2) as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program; if not, write to the Free Software Foundation,
	15	* Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
	16	*/
	17
	18	#include <linux/module.h>
	19	#include <linux/init.h>
	20	#include <linux/usb.h>
	21	#include <linux/i2c.h>
	22	#include <linux/videodev2.h>
5a0e3ad6	23	#include <linux/slab.h>
832b6a89	24	#include <media/v4l2-device.h>
b11869db	25	#include <media/v4l2-common.h>
832b6a89	26	#include <media/v4l2-i2c-drv.h>
05d76f2d	27	#include <media/v4l2-subdev.h>
b11869db	28	#include "go7007-priv.h"
832b6a89 PE	29
	30	MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
	31	MODULE_LICENSE("GPL v2");
b11869db	32
b11869db	33	#define TLV320_ADDRESS 0x34
b11869db PE	34	#define VPX322_ADDR_ANALOGCONTROL1 0x02
	35	#define VPX322_ADDR_BRIGHTNESS0 0x0127
	36	#define VPX322_ADDR_BRIGHTNESS1 0x0131
	37	#define VPX322_ADDR_CONTRAST0 0x0128
	38	#define VPX322_ADDR_CONTRAST1 0x0132
	39	#define VPX322_ADDR_HUE 0x00dc
028d4c98	40	#define VPX322_ADDR_SAT 0x0030
b11869db PE	41
	42	struct go7007_usb_board {
	43	unsigned int flags;
	44	struct go7007_board_info main_info;
	45	};
	46
	47	struct go7007_usb {
	48	struct go7007_usb_board *board;
fd9a40da	49	struct mutex i2c_lock;
b11869db PE	50	struct usb_device *usbdev;
	51	struct urb *video_urbs[8];
	52	struct urb *audio_urbs[8];
	53	struct urb *intr_urb;
	54	};
	55
	56	static unsigned char aud_regs[] = {
	57	0x1e, 0x00,
	58	0x00, 0x17,
	59	0x02, 0x17,
	60	0x04, 0xf9,
	61	0x06, 0xf9,
	62	0x08, 0x02,
	63	0x0a, 0x00,
	64	0x0c, 0x00,
	65	0x0a, 0x00,
	66	0x0c, 0x00,
	67	0x0e, 0x02,
	68	0x10, 0x00,
	69	0x12, 0x01,
	70	0x00, 0x00,
	71	};
	72
	73
	74	static unsigned char vid_regs[] = {
	75	0xF2, 0x0f,
	76	0xAA, 0x00,
	77	0xF8, 0xff,
	78	0x00, 0x00,
	79	};
	80
	81	static u16 vid_regs_fp[] = {
	82	0x028, 0x067,
	83	0x120, 0x016,
	84	0x121, 0xcF2,
	85	0x122, 0x0F2,
	86	0x123, 0x00c,
	87	0x124, 0x2d0,
	88	0x125, 0x2e0,
	89	0x126, 0x004,
	90	0x128, 0x1E0,
	91	0x12A, 0x016,
	92	0x12B, 0x0F2,
	93	0x12C, 0x0F2,
	94	0x12D, 0x00c,
	95	0x12E, 0x2d0,
	96	0x12F, 0x2e0,
	97	0x130, 0x004,
	98	0x132, 0x1E0,
	99	0x140, 0x060,
	100	0x153, 0x00C,
	101	0x154, 0x200,
	102	0x150, 0x801,
	103	0x000, 0x000
	104	};
	105
	106	/* PAL specific values */
	107	static u16 vid_regs_fp_pal[] =
	108	{
	109	0x120, 0x017,
	110	0x121, 0xd22,
	111	0x122, 0x122,
	112	0x12A, 0x017,
	113	0x12B, 0x122,
114	0x12C, 0x122,
115	0x140, 0x060,
116	0x000, 0x000,
117	};
118
119	struct s2250 {
05d76f2d	120	struct v4l2_subdev sd;
047efc7d	121	v4l2_std_id std;
b11869db PE	122	int input;
	123	int brightness;
	124	int contrast;
	125	int saturation;
	126	int hue;
	127	int reg12b_val;
	128	int audio_input;
7400516a	129	struct i2c_client *audio;
b11869db PE	130	};
b11869db PE	131
05d76f2d PE	132	static inline struct s2250 to_state(struct v4l2_subdev sd)
	133	{
	134	return container_of(sd, struct s2250, sd);
	135	}
	136
b11869db PE	137	/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	138	static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
	139	u16 value, u16 index, void *transfer_buffer, int length, int in)
	140	{
	141	struct go7007_usb *usb = go->hpi_context;
	142	int timeout = 5000;
	143
	144	if (in) {
	145	return usb_control_msg(usb->usbdev,
	146	usb_rcvctrlpipe(usb->usbdev, 0), request,
	147	USB_TYPE_VENDOR \| USB_RECIP_DEVICE \| USB_DIR_IN,
	148	value, index, transfer_buffer, length, timeout);
	149	} else {
	150	return usb_control_msg(usb->usbdev,
	151	usb_sndctrlpipe(usb->usbdev, 0), request,
	152	USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	153	value, index, transfer_buffer, length, timeout);
	154	}
	155	}
	156	/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	157
	158	static int write_reg(struct i2c_client *client, u8 reg, u8 value)
	159	{
	160	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	161	struct go7007_usb *usb;
b11869db	162	int rc;
986ce451	163	int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
b11869db PE	164	u8 *buf;
	165
	166	if (go == NULL)
	167	return -ENODEV;
	168
	169	if (go->status == STATUS_SHUTDOWN)
	170	return -EBUSY;
	171
	172	buf = kzalloc(16, GFP_KERNEL);
	173	if (buf == NULL)
	174	return -ENOMEM;
	175
41e84789	176	usb = go->hpi_context;
fd9a40da	177	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
b11869db	178	printk(KERN_INFO "i2c lock failed\n");
253d3b13	179	kfree(buf);
b11869db PE	180	return -EINTR;
	181	}
	182	rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
	183	(reg<<8 \| value),
	184	buf,
	185	16, 1);
	186
fd9a40da	187	mutex_unlock(&usb->i2c_lock);
b11869db PE	188	kfree(buf);
	189	return rc;
	190	}
	191
	192	static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
	193	{
	194	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	195	struct go7007_usb *usb;
b11869db PE	196	u8 *buf;
	197	struct s2250 *dec = i2c_get_clientdata(client);
	198
	199	if (go == NULL)
	200	return -ENODEV;
	201
	202	if (go->status == STATUS_SHUTDOWN)
	203	return -EBUSY;
	204
	205	buf = kzalloc(16, GFP_KERNEL);
	206
	207	if (buf == NULL)
	208	return -ENOMEM;
	209
	210
	211
	212	memset(buf, 0xcd, 6);
	213
41e84789	214	usb = go->hpi_context;
fd9a40da	215	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
b11869db	216	printk(KERN_INFO "i2c lock failed\n");
d66ddf21	217	kfree(buf);
b11869db PE	218	return -EINTR;
b11869db PE	219	}
d66ddf21 PE	220	if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0) {
d66ddf21 PE	221	kfree(buf);
b11869db	222	return -EFAULT;
d66ddf21	223	}
b11869db	224
fd9a40da	225	mutex_unlock(&usb->i2c_lock);
b11869db PE	226	if (buf[0] == 0) {
	227	unsigned int subaddr, val_read;
	228
	229	subaddr = (buf[4] << 8) + buf[5];
	230	val_read = (buf[2] << 8) + buf[3];
d66ddf21	231	kfree(buf);
b11869db PE	232	if (val_read != val) {
	233	printk(KERN_INFO "invalid fp write %x %x\n",
	234	val_read, val);
	235	return -EFAULT;
	236	}
	237	if (subaddr != addr) {
	238	printk(KERN_INFO "invalid fp write addr %x %x\n",
	239	subaddr, addr);
	240	return -EFAULT;
	241	}
d66ddf21 PE	242	} else {
d66ddf21 PE	243	kfree(buf);
b11869db	244	return -EFAULT;
d66ddf21	245	}
b11869db PE	246
	247	/* save last 12b value */
	248	if (addr == 0x12b)
	249	dec->reg12b_val = val;
	250
	251	return 0;
	252	}
	253
047efc7d PE	254	static int read_reg_fp(struct i2c_client client, u16 addr, u16 val)
	255	{
	256	struct go7007 *go = i2c_get_adapdata(client->adapter);
	257	struct go7007_usb *usb;
	258	u8 *buf;
	259
	260	if (go == NULL)
	261	return -ENODEV;
	262
	263	if (go->status == STATUS_SHUTDOWN)
	264	return -EBUSY;
	265
	266	buf = kzalloc(16, GFP_KERNEL);
	267
	268	if (buf == NULL)
	269	return -ENOMEM;
	270
	271
	272
	273	memset(buf, 0xcd, 6);
	274	usb = go->hpi_context;
e49bd72f	275	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
047efc7d PE	276	printk(KERN_INFO "i2c lock failed\n");
	277	kfree(buf);
	278	return -EINTR;
	279	}
	280	if (go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1) < 0) {
	281	kfree(buf);
	282	return -EFAULT;
	283	}
e49bd72f	284	mutex_unlock(&usb->i2c_lock);
047efc7d PE	285
	286	*val = (buf[0] << 8) \| buf[1];
	287	kfree(buf);
	288
	289	return 0;
	290	}
	291
	292
b11869db PE	293	static int write_regs(struct i2c_client client, u8 regs)
	294	{
	295	int i;
	296
	297	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	298	if (write_reg(client, regs[i], regs[i+1]) < 0) {
	299	printk(KERN_INFO "s2250: failed\n");
	300	return -1;
	301	}
	302	}
	303	return 0;
	304	}
	305
	306	static int write_regs_fp(struct i2c_client client, u16 regs)
	307	{
	308	int i;
	309
	310	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	311	if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
	312	printk(KERN_INFO "s2250: failed fp\n");
	313	return -1;
	314	}
	315	}
	316	return 0;
	317	}
	318
	319
05d76f2d PE	320	/* ------------------------------------------------------------------------- */
	321
	322	static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	323	u32 config)
b11869db	324	{
05d76f2d PE	325	struct s2250 *state = to_state(sd);
	326	struct i2c_client *client = v4l2_get_subdevdata(sd);
	327	int vidsys;
	328
	329	vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
	330	if (input == 0) {
	331	/* composite */
	332	write_reg_fp(client, 0x20, 0x020 \| vidsys);
	333	write_reg_fp(client, 0x21, 0x662);
	334	write_reg_fp(client, 0x140, 0x060);
	335	} else if (input == 1) {
	336	/* S-Video */
	337	write_reg_fp(client, 0x20, 0x040 \| vidsys);
	338	write_reg_fp(client, 0x21, 0x666);
	339	write_reg_fp(client, 0x140, 0x060);
	340	} else {
	341	return -EINVAL;
	342	}
	343	state->input = input;
	344	return 0;
	345	}
b11869db	346
05d76f2d PE	347	static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
	348	{
	349	struct s2250 *state = to_state(sd);
	350	struct i2c_client *client = v4l2_get_subdevdata(sd);
	351	u16 vidsource;
	352
	353	vidsource = (state->input == 1) ? 0x040 : 0x020;
	354	switch (norm) {
	355	case V4L2_STD_NTSC:
	356	write_regs_fp(client, vid_regs_fp);
	357	write_reg_fp(client, 0x20, vidsource \| 1);
b11869db	358	break;
05d76f2d PE	359	case V4L2_STD_PAL:
	360	write_regs_fp(client, vid_regs_fp);
	361	write_regs_fp(client, vid_regs_fp_pal);
	362	write_reg_fp(client, 0x20, vidsource);
b11869db	363	break;
05d76f2d PE	364	default:
05d76f2d PE	365	return -EINVAL;
b11869db	366	}
05d76f2d PE	367	state->std = norm;
	368	return 0;
	369	}
	370
	371	static int s2250_queryctrl(struct v4l2_subdev sd, struct v4l2_queryctrl query)
	372	{
	373	switch (query->id) {
	374	case V4L2_CID_BRIGHTNESS:
	375	return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
	376	case V4L2_CID_CONTRAST:
	377	return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
	378	case V4L2_CID_SATURATION:
	379	return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
	380	case V4L2_CID_HUE:
	381	return v4l2_ctrl_query_fill(query, -50, 50, 1, 0);
	382	default:
	383	return -EINVAL;
b11869db	384	}
05d76f2d PE	385	return 0;
	386	}
	387
	388	static int s2250_s_ctrl(struct v4l2_subdev sd, struct v4l2_control ctrl)
	389	{
	390	struct s2250 *state = to_state(sd);
	391	struct i2c_client *client = v4l2_get_subdevdata(sd);
	392	int value1;
	393	u16 oldvalue;
	394
	395	switch (ctrl->id) {
	396	case V4L2_CID_BRIGHTNESS:
	397	if (ctrl->value > 100)
	398	state->brightness = 100;
	399	else if (ctrl->value < 0)
	400	state->brightness = 0;
	401	else
	402	state->brightness = ctrl->value;
	403	value1 = (state->brightness - 50) * 255 / 100;
	404	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
	405	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
	406	value1 \| (oldvalue & ~0xff));
	407	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
	408	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
	409	value1 \| (oldvalue & ~0xff));
	410	write_reg_fp(client, 0x140, 0x60);
b11869db	411	break;
05d76f2d PE	412	case V4L2_CID_CONTRAST:
	413	if (ctrl->value > 100)
	414	state->contrast = 100;
	415	else if (ctrl->value < 0)
	416	state->contrast = 0;
	417	else
	418	state->contrast = ctrl->value;
	419	value1 = state->contrast * 0x40 / 100;
	420	if (value1 > 0x3f)
	421	value1 = 0x3f; /* max */
	422	read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
	423	write_reg_fp(client, VPX322_ADDR_CONTRAST0,
	424	value1 \| (oldvalue & ~0x3f));
	425	read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
	426	write_reg_fp(client, VPX322_ADDR_CONTRAST1,
	427	value1 \| (oldvalue & ~0x3f));
	428	write_reg_fp(client, 0x140, 0x60);
b11869db	429	break;
05d76f2d PE	430	case V4L2_CID_SATURATION:
	431	if (ctrl->value > 100)
	432	state->saturation = 100;
	433	else if (ctrl->value < 0)
	434	state->saturation = 0;
	435	else
	436	state->saturation = ctrl->value;
	437	value1 = state->saturation * 4140 / 100;
	438	if (value1 > 4094)
	439	value1 = 4094;
	440	write_reg_fp(client, VPX322_ADDR_SAT, value1);
	441	break;
	442	case V4L2_CID_HUE:
	443	if (ctrl->value > 50)
	444	state->hue = 50;
	445	else if (ctrl->value < -50)
	446	state->hue = -50;
	447	else
	448	state->hue = ctrl->value;
	449	/* clamp the hue range */
	450	value1 = state->hue * 280 / 50;
	451	write_reg_fp(client, VPX322_ADDR_HUE, value1);
	452	break;
	453	default:
	454	return -EINVAL;
b11869db	455	}
05d76f2d PE	456	return 0;
05d76f2d PE	457	}
b11869db	458
05d76f2d PE	459	static int s2250_g_ctrl(struct v4l2_subdev sd, struct v4l2_control ctrl)
	460	{
	461	struct s2250 *state = to_state(sd);
	462
	463	switch (ctrl->id) {
	464	case V4L2_CID_BRIGHTNESS:
	465	ctrl->value = state->brightness;
	466	break;
	467	case V4L2_CID_CONTRAST:
	468	ctrl->value = state->contrast;
	469	break;
	470	case V4L2_CID_SATURATION:
	471	ctrl->value = state->saturation;
	472	break;
	473	case V4L2_CID_HUE:
	474	ctrl->value = state->hue;
	475	break;
	476	default:
	477	return -EINVAL;
b11869db	478	}
05d76f2d PE	479	return 0;
	480	}
	481
	482	static int s2250_s_fmt(struct v4l2_subdev sd, struct v4l2_format fmt)
	483	{
	484	struct s2250 *state = to_state(sd);
	485	struct i2c_client *client = v4l2_get_subdevdata(sd);
	486
	487	if (fmt->fmt.pix.height < 640) {
	488	write_reg_fp(client, 0x12b, state->reg12b_val \| 0x400);
	489	write_reg_fp(client, 0x140, 0x060);
	490	} else {
	491	write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
	492	write_reg_fp(client, 0x140, 0x060);
b11869db	493	}
05d76f2d PE	494	return 0;
05d76f2d PE	495	}
b11869db	496
05d76f2d PE	497	static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	498	u32 config)
	499	{
	500	struct s2250 *state = to_state(sd);
	501
	502	switch (input) {
	503	case 0:
	504	write_reg(state->audio, 0x08, 0x02); /* Line In */
	505	break;
	506	case 1:
	507	write_reg(state->audio, 0x08, 0x04); /* Mic */
b11869db	508	break;
05d76f2d PE	509	case 2:
	510	write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
	511	break;
	512	default:
	513	return -EINVAL;
b11869db	514	}
05d76f2d PE	515	state->audio_input = input;
	516	return 0;
	517	}
	518
	519
	520	static int s2250_log_status(struct v4l2_subdev *sd)
	521	{
	522	struct s2250 *state = to_state(sd);
	523
	524	v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
	525	state->std == V4L2_STD_PAL ? "PAL" :
	526	state->std == V4L2_STD_SECAM ? "SECAM" :
	527	"unknown");
	528	v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
	529	state->input == 1 ? "S-video" :
	530	"error");
	531	v4l2_info(sd, "Brightness: %d\n", state->brightness);
	532	v4l2_info(sd, "Contrast: %d\n", state->contrast);
	533	v4l2_info(sd, "Saturation: %d\n", state->saturation);
	534	v4l2_info(sd, "Hue: %d\n", state->hue); return 0;
	535	v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
	536	state->audio_input == 1 ? "Mic" :
	537	state->audio_input == 2 ? "Mic Boost" :
	538	"error");
b11869db PE	539	return 0;
	540	}
	541
05d76f2d PE	542	/* --------------------------------------------------------------------------*/
	543
	544	static const struct v4l2_subdev_core_ops s2250_core_ops = {
	545	.log_status = s2250_log_status,
	546	.g_ctrl = s2250_g_ctrl,
	547	.s_ctrl = s2250_s_ctrl,
	548	.queryctrl = s2250_queryctrl,
	549	.s_std = s2250_s_std,
	550	};
	551
	552	static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
	553	.s_routing = s2250_s_audio_routing,
	554	};
	555
	556	static const struct v4l2_subdev_video_ops s2250_video_ops = {
	557	.s_routing = s2250_s_video_routing,
	558	.s_fmt = s2250_s_fmt,
	559	};
	560
	561	static const struct v4l2_subdev_ops s2250_ops = {
	562	.core = &s2250_core_ops,
	563	.audio = &s2250_audio_ops,
	564	.video = &s2250_video_ops,
	565	};
	566
	567	/* --------------------------------------------------------------------------*/
	568
7400516a JD	569	static int s2250_probe(struct i2c_client *client,
7400516a JD	570	const struct i2c_device_id *id)
b11869db	571	{
7400516a JD	572	struct i2c_client *audio;
7400516a JD	573	struct i2c_adapter *adapter = client->adapter;
05d76f2d PE	574	struct s2250 *state;
05d76f2d PE	575	struct v4l2_subdev *sd;
b11869db PE	576	u8 *data;
	577	struct go7007 *go = i2c_get_adapdata(adapter);
	578	struct go7007_usb *usb = go->hpi_context;
	579
7400516a JD	580	audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
7400516a JD	581	if (audio == NULL)
b11869db	582	return -ENOMEM;
b11869db	583
05d76f2d PE	584	state = kmalloc(sizeof(struct s2250), GFP_KERNEL);
05d76f2d PE	585	if (state == NULL) {
7400516a	586	i2c_unregister_device(audio);
b11869db PE	587	return -ENOMEM;
	588	}
	589
05d76f2d PE	590	sd = &state->sd;
05d76f2d PE	591	v4l2_i2c_subdev_init(sd, client, &s2250_ops);
b11869db	592
05d76f2d PE	593	v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
	594	"Sensoray 2250/2251", client->addr, client->adapter->name);
	595
	596	state->std = V4L2_STD_NTSC;
	597	state->brightness = 50;
	598	state->contrast = 50;
	599	state->saturation = 50;
	600	state->hue = 0;
	601	state->audio = audio;
b11869db PE	602
b11869db PE	603	/* initialize the audio */
7400516a	604	if (write_regs(audio, aud_regs) < 0) {
b11869db PE	605	printk(KERN_ERR
b11869db PE	606	"s2250: error initializing audio\n");
7400516a	607	i2c_unregister_device(audio);
05d76f2d	608	kfree(state);
b11869db PE	609	return 0;
b11869db PE	610	}
b11869db PE	611
	612	if (write_regs(client, vid_regs) < 0) {
	613	printk(KERN_ERR
	614	"s2250: error initializing decoder\n");
7400516a	615	i2c_unregister_device(audio);
05d76f2d	616	kfree(state);
b11869db PE	617	return 0;
	618	}
	619	if (write_regs_fp(client, vid_regs_fp) < 0) {
	620	printk(KERN_ERR
	621	"s2250: error initializing decoder\n");
7400516a	622	i2c_unregister_device(audio);
05d76f2d	623	kfree(state);
b11869db PE	624	return 0;
	625	}
	626	/* set default channel */
	627	/* composite */
	628	write_reg_fp(client, 0x20, 0x020 \| 1);
	629	write_reg_fp(client, 0x21, 0x662);
	630	write_reg_fp(client, 0x140, 0x060);
	631
	632	/* set default audio input */
05d76f2d	633	state->audio_input = 0;
b11869db PE	634	write_reg(client, 0x08, 0x02); /* Line In */
b11869db PE	635
fd9a40da	636	if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
b11869db PE	637	data = kzalloc(16, GFP_KERNEL);
	638	if (data != NULL) {
	639	int rc;
	640	rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
	641	data, 16, 1);
	642	if (rc > 0) {
	643	u8 mask;
	644	data[0] = 0;
	645	mask = 1<<5;
	646	data[0] &= ~mask;
	647	data[1] \|= mask;
	648	go7007_usb_vendor_request(go, 0x40, 0,
	649	(data[1]<<8)
	650	+ data[1],
	651	data, 16, 0);
	652	}
	653	kfree(data);
	654	}
fd9a40da	655	mutex_unlock(&usb->i2c_lock);
b11869db PE	656	}
b11869db PE	657
05d76f2d	658	v4l2_info(sd, "initialized successfully\n");
b11869db PE	659	return 0;
	660	}
	661
7400516a	662	static int s2250_remove(struct i2c_client *client)
b11869db	663	{
05d76f2d	664	struct v4l2_subdev *sd = i2c_get_clientdata(client);
b11869db	665
05d76f2d PE	666	v4l2_device_unregister_subdev(sd);
05d76f2d PE	667	kfree(to_state(sd));
b11869db PE	668	return 0;
	669	}
	670
b76a3263	671	static const struct i2c_device_id s2250_id[] = {
832b6a89	672	{ "s2250", 0 },
7400516a JD	673	{ }
7400516a JD	674	};
832b6a89 PE	675	MODULE_DEVICE_TABLE(i2c, s2250_id);
	676
	677	static struct v4l2_i2c_driver_data v4l2_i2c_data = {
	678	.name = "s2250",
	679	.probe = s2250_probe,
	680	.remove = s2250_remove,
832b6a89	681	.id_table = s2250_id,
b11869db	682	};