[deliverable/linux.git] / drivers / staging / media / 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/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-subdev.h>
#include "go7007-priv.h"

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

/*
 * Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b.
 * Due to the unusual way these are accessed on this device we do not
 * reuse the i2c drivers, but instead they are implemented in this
 * driver. It would be nice to improve on this, though.
 */

#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;
	struct v4l2_ctrl_handler hdl;
	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) {
		dev_info(&client->dev, "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;
	int rc;
	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) {
		dev_info(&client->dev, "i2c lock failed\n");
		kfree(buf);
		return -EINTR;
	}
	rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
	mutex_unlock(&usb->i2c_lock);
	if (rc < 0) {
		kfree(buf);
		return rc;
	}

	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) {
			dev_info(&client->dev, "invalid fp write %x %x\n",
				 val_read, val);
			return -EFAULT;
		}
		if (subaddr != addr) {
			dev_info(&client->dev, "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;
	int rc;
	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) {
		dev_info(&client->dev, "i2c lock failed\n");
		kfree(buf);
		return -EINTR;
	}
	rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
	mutex_unlock(&usb->i2c_lock);
	if (rc < 0) {
		kfree(buf);
		return rc;
	}

	*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) {
			dev_info(&client->dev, "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) {
			dev_info(&client->dev, "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;
	if (norm & V4L2_STD_625_50) {
		write_regs_fp(client, vid_regs_fp);
		write_regs_fp(client, vid_regs_fp_pal);
		write_reg_fp(client, 0x20, vidsource);
	} else {
		write_regs_fp(client, vid_regs_fp);
		write_reg_fp(client, 0x20, vidsource | 1);
	}
	state->std = norm;
	return 0;
}

static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
	struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
	u16 oldvalue;

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
			     ctrl->val | (oldvalue & ~0xff));
		read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
			     ctrl->val | (oldvalue & ~0xff));
		write_reg_fp(client, 0x140, 0x60);
		break;
	case V4L2_CID_CONTRAST:
		read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_CONTRAST0,
			     ctrl->val | (oldvalue & ~0x3f));
		read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
		write_reg_fp(client, VPX322_ADDR_CONTRAST1,
			     ctrl->val | (oldvalue & ~0x3f));
		write_reg_fp(client, 0x140, 0x60);
		break;
	case V4L2_CID_SATURATION:
		write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
		break;
	case V4L2_CID_HUE:
		write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int s2250_s_mbus_fmt(struct v4l2_subdev *sd,
			struct v4l2_mbus_framefmt *fmt)
{
	struct s2250 *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	if (fmt->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, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
					state->audio_input == 1 ? "Mic" :
					state->audio_input == 2 ? "Mic Boost" :
					"error");
	return v4l2_ctrl_subdev_log_status(sd);
}

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

static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
	.s_ctrl = s2250_s_ctrl,
};

static const struct v4l2_subdev_core_ops s2250_core_ops = {
	.log_status = s2250_log_status,
	.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_mbus_fmt = s2250_s_mbus_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 = kzalloc(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);

	v4l2_ctrl_handler_init(&state->hdl, 4);
	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
		V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
		V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32);
	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
		V4L2_CID_SATURATION, 0, 4094, 1, 2070);
	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
		V4L2_CID_HUE, -512, 511, 1, 0);
	sd->ctrl_handler = &state->hdl;
	if (state->hdl.error) {
		int err = state->hdl.error;

		v4l2_ctrl_handler_free(&state->hdl);
		kfree(state);
		return err;
	}

	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) {
		dev_err(&client->dev, "error initializing audio\n");
		goto fail;
	}

	if (write_regs(client, vid_regs) < 0) {
		dev_err(&client->dev, "error initializing decoder\n");
		goto fail;
	}
	if (write_regs_fp(client, vid_regs_fp) < 0) {
		dev_err(&client->dev, "error initializing decoder\n");
		goto fail;
	}
	/* 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;

fail:
	i2c_unregister_device(audio);
	v4l2_ctrl_handler_free(&state->hdl);
	kfree(state);
	return -EIO;
}

static int s2250_remove(struct i2c_client *client)
{
	struct s2250 *state = to_state(i2c_get_clientdata(client));

	v4l2_device_unregister_subdev(&state->sd);
	v4l2_ctrl_handler_free(&state->hdl);
	kfree(state);
	return 0;
}

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

static struct i2c_driver s2250_driver = {
	.driver = {
		.owner	= THIS_MODULE,
		.name	= "s2250",
	},
	.probe		= s2250_probe,
	.remove		= s2250_remove,
	.id_table	= s2250_id,
};

module_i2c_driver(s2250_driver);
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>
b11869db PE	19	#include <linux/usb.h>
	20	#include <linux/i2c.h>
	21	#include <linux/videodev2.h>
5a0e3ad6	22	#include <linux/slab.h>
832b6a89	23	#include <media/v4l2-device.h>
b11869db	24	#include <media/v4l2-common.h>
05d76f2d	25	#include <media/v4l2-subdev.h>
b11869db	26	#include "go7007-priv.h"
832b6a89 PE	27
	28	MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
	29	MODULE_LICENSE("GPL v2");
b11869db	30
b20cc073 HV	31	/*
	32	* Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b.
	33	* Due to the unusual way these are accessed on this device we do not
	34	* reuse the i2c drivers, but instead they are implemented in this
	35	* driver. It would be nice to improve on this, though.
	36	*/
	37
b11869db	38	#define TLV320_ADDRESS 0x34
b11869db PE	39	#define VPX322_ADDR_ANALOGCONTROL1 0x02
	40	#define VPX322_ADDR_BRIGHTNESS0 0x0127
	41	#define VPX322_ADDR_BRIGHTNESS1 0x0131
	42	#define VPX322_ADDR_CONTRAST0 0x0128
	43	#define VPX322_ADDR_CONTRAST1 0x0132
	44	#define VPX322_ADDR_HUE 0x00dc
028d4c98	45	#define VPX322_ADDR_SAT 0x0030
b11869db PE	46
	47	struct go7007_usb_board {
	48	unsigned int flags;
	49	struct go7007_board_info main_info;
	50	};
	51
	52	struct go7007_usb {
	53	struct go7007_usb_board *board;
fd9a40da	54	struct mutex i2c_lock;
b11869db PE	55	struct usb_device *usbdev;
	56	struct urb *video_urbs[8];
	57	struct urb *audio_urbs[8];
	58	struct urb *intr_urb;
	59	};
	60
	61	static unsigned char aud_regs[] = {
	62	0x1e, 0x00,
	63	0x00, 0x17,
	64	0x02, 0x17,
	65	0x04, 0xf9,
	66	0x06, 0xf9,
	67	0x08, 0x02,
	68	0x0a, 0x00,
	69	0x0c, 0x00,
	70	0x0a, 0x00,
	71	0x0c, 0x00,
	72	0x0e, 0x02,
	73	0x10, 0x00,
	74	0x12, 0x01,
	75	0x00, 0x00,
	76	};
	77
	78
	79	static unsigned char vid_regs[] = {
	80	0xF2, 0x0f,
	81	0xAA, 0x00,
	82	0xF8, 0xff,
	83	0x00, 0x00,
	84	};
	85
	86	static u16 vid_regs_fp[] = {
	87	0x028, 0x067,
	88	0x120, 0x016,
	89	0x121, 0xcF2,
	90	0x122, 0x0F2,
	91	0x123, 0x00c,
	92	0x124, 0x2d0,
	93	0x125, 0x2e0,
	94	0x126, 0x004,
	95	0x128, 0x1E0,
	96	0x12A, 0x016,
	97	0x12B, 0x0F2,
	98	0x12C, 0x0F2,
	99	0x12D, 0x00c,
	100	0x12E, 0x2d0,
	101	0x12F, 0x2e0,
	102	0x130, 0x004,
	103	0x132, 0x1E0,
	104	0x140, 0x060,
	105	0x153, 0x00C,
	106	0x154, 0x200,
	107	0x150, 0x801,
	108	0x000, 0x000
	109	};
	110
	111	/* PAL specific values */
b91c78e3	112	static u16 vid_regs_fp_pal[] = {
b11869db PE	113	0x120, 0x017,
	114	0x121, 0xd22,
	115	0x122, 0x122,
	116	0x12A, 0x017,
	117	0x12B, 0x122,
	118	0x12C, 0x122,
	119	0x140, 0x060,
	120	0x000, 0x000,
	121	};
	122
	123	struct s2250 {
05d76f2d	124	struct v4l2_subdev sd;
d3b2ccd9	125	struct v4l2_ctrl_handler hdl;
047efc7d	126	v4l2_std_id std;
b11869db PE	127	int input;
	128	int brightness;
	129	int contrast;
	130	int saturation;
	131	int hue;
	132	int reg12b_val;
	133	int audio_input;
7400516a	134	struct i2c_client *audio;
b11869db PE	135	};
b11869db PE	136
05d76f2d PE	137	static inline struct s2250 to_state(struct v4l2_subdev sd)
	138	{
	139	return container_of(sd, struct s2250, sd);
	140	}
	141
b11869db PE	142	/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	143	static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
	144	u16 value, u16 index, void *transfer_buffer, int length, int in)
	145	{
	146	struct go7007_usb *usb = go->hpi_context;
	147	int timeout = 5000;
	148
	149	if (in) {
	150	return usb_control_msg(usb->usbdev,
	151	usb_rcvctrlpipe(usb->usbdev, 0), request,
	152	USB_TYPE_VENDOR \| USB_RECIP_DEVICE \| USB_DIR_IN,
	153	value, index, transfer_buffer, length, timeout);
	154	} else {
	155	return usb_control_msg(usb->usbdev,
	156	usb_sndctrlpipe(usb->usbdev, 0), request,
	157	USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	158	value, index, transfer_buffer, length, timeout);
	159	}
	160	}
	161	/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	162
	163	static int write_reg(struct i2c_client *client, u8 reg, u8 value)
	164	{
	165	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	166	struct go7007_usb *usb;
b11869db	167	int rc;
986ce451	168	int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
b11869db PE	169	u8 *buf;
	170
	171	if (go == NULL)
	172	return -ENODEV;
	173
	174	if (go->status == STATUS_SHUTDOWN)
	175	return -EBUSY;
	176
	177	buf = kzalloc(16, GFP_KERNEL);
	178	if (buf == NULL)
	179	return -ENOMEM;
	180
41e84789	181	usb = go->hpi_context;
fd9a40da	182	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	183	dev_info(&client->dev, "i2c lock failed\n");
253d3b13	184	kfree(buf);
b11869db PE	185	return -EINTR;
	186	}
	187	rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
	188	(reg<<8 \| value),
	189	buf,
	190	16, 1);
	191
fd9a40da	192	mutex_unlock(&usb->i2c_lock);
b11869db PE	193	kfree(buf);
	194	return rc;
	195	}
	196
	197	static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
	198	{
	199	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	200	struct go7007_usb *usb;
0c07aec3	201	int rc;
b11869db PE	202	u8 *buf;
	203	struct s2250 *dec = i2c_get_clientdata(client);
	204
	205	if (go == NULL)
	206	return -ENODEV;
	207
	208	if (go->status == STATUS_SHUTDOWN)
	209	return -EBUSY;
	210
	211	buf = kzalloc(16, GFP_KERNEL);
	212
	213	if (buf == NULL)
	214	return -ENOMEM;
	215
	216
	217
	218	memset(buf, 0xcd, 6);
	219
41e84789	220	usb = go->hpi_context;
fd9a40da	221	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	222	dev_info(&client->dev, "i2c lock failed\n");
d66ddf21	223	kfree(buf);
b11869db PE	224	return -EINTR;
b11869db PE	225	}
0c07aec3 AK	226	rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
	227	mutex_unlock(&usb->i2c_lock);
	228	if (rc < 0) {
d66ddf21	229	kfree(buf);
0c07aec3	230	return rc;
d66ddf21	231	}
b11869db	232
b11869db PE	233	if (buf[0] == 0) {
	234	unsigned int subaddr, val_read;
	235
	236	subaddr = (buf[4] << 8) + buf[5];
	237	val_read = (buf[2] << 8) + buf[3];
d66ddf21	238	kfree(buf);
b11869db	239	if (val_read != val) {
5820debc YT	240	dev_info(&client->dev, "invalid fp write %x %x\n",
5820debc YT	241	val_read, val);
b11869db PE	242	return -EFAULT;
	243	}
	244	if (subaddr != addr) {
5820debc YT	245	dev_info(&client->dev, "invalid fp write addr %x %x\n",
5820debc YT	246	subaddr, addr);
b11869db PE	247	return -EFAULT;
b11869db PE	248	}
d66ddf21 PE	249	} else {
d66ddf21 PE	250	kfree(buf);
b11869db	251	return -EFAULT;
d66ddf21	252	}
b11869db PE	253
	254	/* save last 12b value */
	255	if (addr == 0x12b)
	256	dec->reg12b_val = val;
	257
	258	return 0;
	259	}
	260
047efc7d PE	261	static int read_reg_fp(struct i2c_client client, u16 addr, u16 val)
	262	{
	263	struct go7007 *go = i2c_get_adapdata(client->adapter);
	264	struct go7007_usb *usb;
0c07aec3	265	int rc;
047efc7d PE	266	u8 *buf;
	267
	268	if (go == NULL)
	269	return -ENODEV;
	270
	271	if (go->status == STATUS_SHUTDOWN)
	272	return -EBUSY;
	273
	274	buf = kzalloc(16, GFP_KERNEL);
	275
	276	if (buf == NULL)
	277	return -ENOMEM;
	278
	279
	280
	281	memset(buf, 0xcd, 6);
	282	usb = go->hpi_context;
e49bd72f	283	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	284	dev_info(&client->dev, "i2c lock failed\n");
047efc7d PE	285	kfree(buf);
	286	return -EINTR;
	287	}
0c07aec3 AK	288	rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
	289	mutex_unlock(&usb->i2c_lock);
	290	if (rc < 0) {
047efc7d	291	kfree(buf);
0c07aec3	292	return rc;
047efc7d	293	}
047efc7d PE	294
	295	*val = (buf[0] << 8) \| buf[1];
	296	kfree(buf);
	297
	298	return 0;
	299	}
	300
	301
b11869db PE	302	static int write_regs(struct i2c_client client, u8 regs)
	303	{
	304	int i;
	305
	306	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	307	if (write_reg(client, regs[i], regs[i+1]) < 0) {
5820debc	308	dev_info(&client->dev, "failed\n");
b11869db PE	309	return -1;
	310	}
	311	}
	312	return 0;
	313	}
	314
	315	static int write_regs_fp(struct i2c_client client, u16 regs)
	316	{
	317	int i;
	318
	319	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	320	if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
5820debc	321	dev_info(&client->dev, "failed fp\n");
b11869db PE	322	return -1;
	323	}
	324	}
	325	return 0;
	326	}
	327
	328
05d76f2d PE	329	/* ------------------------------------------------------------------------- */
	330
	331	static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	332	u32 config)
b11869db	333	{
05d76f2d PE	334	struct s2250 *state = to_state(sd);
	335	struct i2c_client *client = v4l2_get_subdevdata(sd);
	336	int vidsys;
	337
	338	vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
	339	if (input == 0) {
	340	/* composite */
	341	write_reg_fp(client, 0x20, 0x020 \| vidsys);
	342	write_reg_fp(client, 0x21, 0x662);
	343	write_reg_fp(client, 0x140, 0x060);
	344	} else if (input == 1) {
	345	/* S-Video */
	346	write_reg_fp(client, 0x20, 0x040 \| vidsys);
	347	write_reg_fp(client, 0x21, 0x666);
	348	write_reg_fp(client, 0x140, 0x060);
	349	} else {
	350	return -EINVAL;
	351	}
	352	state->input = input;
	353	return 0;
	354	}
b11869db	355
05d76f2d PE	356	static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
	357	{
	358	struct s2250 *state = to_state(sd);
	359	struct i2c_client *client = v4l2_get_subdevdata(sd);
	360	u16 vidsource;
	361
	362	vidsource = (state->input == 1) ? 0x040 : 0x020;
50deb749	363	if (norm & V4L2_STD_625_50) {
05d76f2d PE	364	write_regs_fp(client, vid_regs_fp);
	365	write_regs_fp(client, vid_regs_fp_pal);
	366	write_reg_fp(client, 0x20, vidsource);
50deb749 HV	367	} else {
	368	write_regs_fp(client, vid_regs_fp);
	369	write_reg_fp(client, 0x20, vidsource \| 1);
b11869db	370	}
05d76f2d PE	371	state->std = norm;
	372	return 0;
	373	}
	374
d3b2ccd9	375	static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
05d76f2d	376	{
d3b2ccd9 HV	377	struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
d3b2ccd9 HV	378	struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
05d76f2d PE	379	u16 oldvalue;
	380
	381	switch (ctrl->id) {
	382	case V4L2_CID_BRIGHTNESS:
05d76f2d PE	383	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
05d76f2d PE	384	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
d3b2ccd9	385	ctrl->val \| (oldvalue & ~0xff));
05d76f2d PE	386	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
05d76f2d PE	387	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
d3b2ccd9	388	ctrl->val \| (oldvalue & ~0xff));
05d76f2d	389	write_reg_fp(client, 0x140, 0x60);
b11869db	390	break;
05d76f2d	391	case V4L2_CID_CONTRAST:
05d76f2d PE	392	read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
05d76f2d PE	393	write_reg_fp(client, VPX322_ADDR_CONTRAST0,
d3b2ccd9	394	ctrl->val \| (oldvalue & ~0x3f));
05d76f2d PE	395	read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
05d76f2d PE	396	write_reg_fp(client, VPX322_ADDR_CONTRAST1,
d3b2ccd9	397	ctrl->val \| (oldvalue & ~0x3f));
05d76f2d	398	write_reg_fp(client, 0x140, 0x60);
b11869db	399	break;
05d76f2d	400	case V4L2_CID_SATURATION:
d3b2ccd9	401	write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
05d76f2d PE	402	break;
05d76f2d PE	403	case V4L2_CID_HUE:
d3b2ccd9	404	write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
05d76f2d PE	405	break;
	406	default:
	407	return -EINVAL;
b11869db	408	}
05d76f2d PE	409	return 0;
	410	}
	411
b8c75ed8 HV	412	static int s2250_s_mbus_fmt(struct v4l2_subdev *sd,
b8c75ed8 HV	413	struct v4l2_mbus_framefmt *fmt)
05d76f2d PE	414	{
	415	struct s2250 *state = to_state(sd);
	416	struct i2c_client *client = v4l2_get_subdevdata(sd);
	417
b8c75ed8	418	if (fmt->height < 640) {
05d76f2d PE	419	write_reg_fp(client, 0x12b, state->reg12b_val \| 0x400);
	420	write_reg_fp(client, 0x140, 0x060);
	421	} else {
	422	write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
	423	write_reg_fp(client, 0x140, 0x060);
b11869db	424	}
05d76f2d PE	425	return 0;
05d76f2d PE	426	}
b11869db	427
05d76f2d PE	428	static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	429	u32 config)
	430	{
	431	struct s2250 *state = to_state(sd);
	432
	433	switch (input) {
	434	case 0:
	435	write_reg(state->audio, 0x08, 0x02); /* Line In */
	436	break;
	437	case 1:
	438	write_reg(state->audio, 0x08, 0x04); /* Mic */
b11869db	439	break;
05d76f2d PE	440	case 2:
	441	write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
	442	break;
	443	default:
	444	return -EINVAL;
b11869db	445	}
05d76f2d PE	446	state->audio_input = input;
	447	return 0;
	448	}
	449
	450
	451	static int s2250_log_status(struct v4l2_subdev *sd)
	452	{
	453	struct s2250 *state = to_state(sd);
	454
	455	v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
	456	state->std == V4L2_STD_PAL ? "PAL" :
	457	state->std == V4L2_STD_SECAM ? "SECAM" :
	458	"unknown");
	459	v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
	460	state->input == 1 ? "S-video" :
	461	"error");
05d76f2d PE	462	v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
	463	state->audio_input == 1 ? "Mic" :
	464	state->audio_input == 2 ? "Mic Boost" :
	465	"error");
d3b2ccd9	466	return v4l2_ctrl_subdev_log_status(sd);
b11869db PE	467	}
b11869db PE	468
05d76f2d PE	469	/* --------------------------------------------------------------------------*/
05d76f2d PE	470
d3b2ccd9 HV	471	static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
	472	.s_ctrl = s2250_s_ctrl,
	473	};
	474
05d76f2d PE	475	static const struct v4l2_subdev_core_ops s2250_core_ops = {
05d76f2d PE	476	.log_status = s2250_log_status,
05d76f2d PE	477	.s_std = s2250_s_std,
	478	};
	479
	480	static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
	481	.s_routing = s2250_s_audio_routing,
	482	};
	483
	484	static const struct v4l2_subdev_video_ops s2250_video_ops = {
	485	.s_routing = s2250_s_video_routing,
b8c75ed8	486	.s_mbus_fmt = s2250_s_mbus_fmt,
05d76f2d PE	487	};
	488
	489	static const struct v4l2_subdev_ops s2250_ops = {
	490	.core = &s2250_core_ops,
	491	.audio = &s2250_audio_ops,
	492	.video = &s2250_video_ops,
	493	};
	494
	495	/* --------------------------------------------------------------------------*/
	496
7400516a JD	497	static int s2250_probe(struct i2c_client *client,
7400516a JD	498	const struct i2c_device_id *id)
b11869db	499	{
7400516a JD	500	struct i2c_client *audio;
7400516a JD	501	struct i2c_adapter *adapter = client->adapter;
05d76f2d PE	502	struct s2250 *state;
05d76f2d PE	503	struct v4l2_subdev *sd;
b11869db PE	504	u8 *data;
	505	struct go7007 *go = i2c_get_adapdata(adapter);
	506	struct go7007_usb *usb = go->hpi_context;
	507
7400516a JD	508	audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
7400516a JD	509	if (audio == NULL)
b11869db	510	return -ENOMEM;
b11869db	511
9b6ebf33	512	state = kzalloc(sizeof(struct s2250), GFP_KERNEL);
05d76f2d	513	if (state == NULL) {
7400516a	514	i2c_unregister_device(audio);
b11869db PE	515	return -ENOMEM;
	516	}
	517
05d76f2d PE	518	sd = &state->sd;
05d76f2d PE	519	v4l2_i2c_subdev_init(sd, client, &s2250_ops);
b11869db	520
05d76f2d PE	521	v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
	522	"Sensoray 2250/2251", client->addr, client->adapter->name);
	523
d3b2ccd9 HV	524	v4l2_ctrl_handler_init(&state->hdl, 4);
	525	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	526	V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
	527	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	528	V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32);
	529	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	530	V4L2_CID_SATURATION, 0, 4094, 1, 2070);
	531	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	532	V4L2_CID_HUE, -512, 511, 1, 0);
	533	sd->ctrl_handler = &state->hdl;
	534	if (state->hdl.error) {
	535	int err = state->hdl.error;
	536
	537	v4l2_ctrl_handler_free(&state->hdl);
	538	kfree(state);
	539	return err;
	540	}
	541
05d76f2d PE	542	state->std = V4L2_STD_NTSC;
	543	state->brightness = 50;
	544	state->contrast = 50;
	545	state->saturation = 50;
	546	state->hue = 0;
	547	state->audio = audio;
b11869db PE	548
b11869db PE	549	/* initialize the audio */
7400516a	550	if (write_regs(audio, aud_regs) < 0) {
5820debc	551	dev_err(&client->dev, "error initializing audio\n");
d3b2ccd9	552	goto fail;
b11869db	553	}
b11869db PE	554
b11869db PE	555	if (write_regs(client, vid_regs) < 0) {
5820debc	556	dev_err(&client->dev, "error initializing decoder\n");
d3b2ccd9	557	goto fail;
b11869db PE	558	}
b11869db PE	559	if (write_regs_fp(client, vid_regs_fp) < 0) {
5820debc	560	dev_err(&client->dev, "error initializing decoder\n");
d3b2ccd9	561	goto fail;
b11869db PE	562	}
	563	/* set default channel */
	564	/* composite */
	565	write_reg_fp(client, 0x20, 0x020 \| 1);
	566	write_reg_fp(client, 0x21, 0x662);
	567	write_reg_fp(client, 0x140, 0x060);
	568
	569	/* set default audio input */
05d76f2d	570	state->audio_input = 0;
b11869db PE	571	write_reg(client, 0x08, 0x02); /* Line In */
b11869db PE	572
fd9a40da	573	if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
b11869db PE	574	data = kzalloc(16, GFP_KERNEL);
	575	if (data != NULL) {
	576	int rc;
	577	rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
	578	data, 16, 1);
	579	if (rc > 0) {
	580	u8 mask;
	581	data[0] = 0;
	582	mask = 1<<5;
	583	data[0] &= ~mask;
	584	data[1] \|= mask;
	585	go7007_usb_vendor_request(go, 0x40, 0,
	586	(data[1]<<8)
	587	+ data[1],
	588	data, 16, 0);
	589	}
	590	kfree(data);
	591	}
fd9a40da	592	mutex_unlock(&usb->i2c_lock);
b11869db PE	593	}
b11869db PE	594
05d76f2d	595	v4l2_info(sd, "initialized successfully\n");
b11869db	596	return 0;
d3b2ccd9 HV	597
	598	fail:
	599	i2c_unregister_device(audio);
	600	v4l2_ctrl_handler_free(&state->hdl);
	601	kfree(state);
	602	return -EIO;
b11869db PE	603	}
b11869db PE	604
7400516a	605	static int s2250_remove(struct i2c_client *client)
b11869db	606	{
d3b2ccd9	607	struct s2250 *state = to_state(i2c_get_clientdata(client));
b11869db	608
d3b2ccd9 HV	609	v4l2_device_unregister_subdev(&state->sd);
	610	v4l2_ctrl_handler_free(&state->hdl);
	611	kfree(state);
b11869db PE	612	return 0;
	613	}
	614
b76a3263	615	static const struct i2c_device_id s2250_id[] = {
832b6a89	616	{ "s2250", 0 },
7400516a JD	617	{ }
7400516a JD	618	};
832b6a89 PE	619	MODULE_DEVICE_TABLE(i2c, s2250_id);
832b6a89 PE	620
22ac5f67 HV	621	static struct i2c_driver s2250_driver = {
	622	.driver = {
	623	.owner = THIS_MODULE,
	624	.name = "s2250",
	625	},
	626	.probe = s2250_probe,
	627	.remove = s2250_remove,
	628	.id_table = s2250_id,
b11869db	629	};
22ac5f67	630
74ffbf86	631	module_i2c_driver(s2250_driver);