[deliverable/linux.git] / drivers / media / usb / 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.
 */

#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_set_fmt(struct v4l2_subdev *sd,
		struct v4l2_subdev_pad_config *cfg,
		struct v4l2_subdev_format *format)
{
	struct v4l2_mbus_framefmt *fmt = &format->format;
	struct s2250 *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	if (format->pad)
		return -EINVAL;

	if (format->which == V4L2_SUBDEV_FORMAT_TRY)
		return 0;

	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,
};

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_std = s2250_s_std,
	.s_routing = s2250_s_video_routing,
};

static const struct v4l2_subdev_pad_ops s2250_pad_ops = {
	.set_fmt = s2250_set_fmt,
};

static const struct v4l2_subdev_ops s2250_ops = {
	.core = &s2250_core_ops,
	.audio = &s2250_audio_ops,
	.video = &s2250_video_ops,
	.pad = &s2250_pad_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 = 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 = {
		.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.
b11869db PE	12	*/
	13
	14	#include <linux/module.h>
b11869db PE	15	#include <linux/usb.h>
	16	#include <linux/i2c.h>
	17	#include <linux/videodev2.h>
5a0e3ad6	18	#include <linux/slab.h>
832b6a89	19	#include <media/v4l2-device.h>
b11869db	20	#include <media/v4l2-common.h>
05d76f2d	21	#include <media/v4l2-subdev.h>
b11869db	22	#include "go7007-priv.h"
832b6a89 PE	23
	24	MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
	25	MODULE_LICENSE("GPL v2");
b11869db	26
b20cc073 HV	27	/*
	28	* Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b.
	29	* Due to the unusual way these are accessed on this device we do not
	30	* reuse the i2c drivers, but instead they are implemented in this
	31	* driver. It would be nice to improve on this, though.
	32	*/
	33
b11869db	34	#define TLV320_ADDRESS 0x34
b11869db PE	35	#define VPX322_ADDR_ANALOGCONTROL1 0x02
	36	#define VPX322_ADDR_BRIGHTNESS0 0x0127
	37	#define VPX322_ADDR_BRIGHTNESS1 0x0131
	38	#define VPX322_ADDR_CONTRAST0 0x0128
	39	#define VPX322_ADDR_CONTRAST1 0x0132
	40	#define VPX322_ADDR_HUE 0x00dc
028d4c98	41	#define VPX322_ADDR_SAT 0x0030
b11869db PE	42
	43	struct go7007_usb_board {
	44	unsigned int flags;
	45	struct go7007_board_info main_info;
	46	};
	47
	48	struct go7007_usb {
	49	struct go7007_usb_board *board;
fd9a40da	50	struct mutex i2c_lock;
b11869db PE	51	struct usb_device *usbdev;
	52	struct urb *video_urbs[8];
	53	struct urb *audio_urbs[8];
	54	struct urb *intr_urb;
	55	};
	56
	57	static unsigned char aud_regs[] = {
	58	0x1e, 0x00,
	59	0x00, 0x17,
	60	0x02, 0x17,
	61	0x04, 0xf9,
	62	0x06, 0xf9,
	63	0x08, 0x02,
	64	0x0a, 0x00,
	65	0x0c, 0x00,
	66	0x0a, 0x00,
	67	0x0c, 0x00,
	68	0x0e, 0x02,
	69	0x10, 0x00,
	70	0x12, 0x01,
	71	0x00, 0x00,
	72	};
	73
	74
	75	static unsigned char vid_regs[] = {
	76	0xF2, 0x0f,
	77	0xAA, 0x00,
	78	0xF8, 0xff,
	79	0x00, 0x00,
	80	};
	81
	82	static u16 vid_regs_fp[] = {
	83	0x028, 0x067,
	84	0x120, 0x016,
	85	0x121, 0xcF2,
	86	0x122, 0x0F2,
	87	0x123, 0x00c,
	88	0x124, 0x2d0,
	89	0x125, 0x2e0,
	90	0x126, 0x004,
	91	0x128, 0x1E0,
	92	0x12A, 0x016,
	93	0x12B, 0x0F2,
	94	0x12C, 0x0F2,
	95	0x12D, 0x00c,
	96	0x12E, 0x2d0,
	97	0x12F, 0x2e0,
	98	0x130, 0x004,
	99	0x132, 0x1E0,
	100	0x140, 0x060,
	101	0x153, 0x00C,
	102	0x154, 0x200,
	103	0x150, 0x801,
	104	0x000, 0x000
	105	};
	106
	107	/* PAL specific values */
b91c78e3	108	static u16 vid_regs_fp_pal[] = {
b11869db PE	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;
d3b2ccd9	121	struct v4l2_ctrl_handler hdl;
047efc7d	122	v4l2_std_id std;
b11869db PE	123	int input;
	124	int brightness;
	125	int contrast;
	126	int saturation;
	127	int hue;
	128	int reg12b_val;
	129	int audio_input;
7400516a	130	struct i2c_client *audio;
b11869db PE	131	};
b11869db PE	132
05d76f2d PE	133	static inline struct s2250 to_state(struct v4l2_subdev sd)
	134	{
	135	return container_of(sd, struct s2250, sd);
	136	}
	137
b11869db PE	138	/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	139	static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
	140	u16 value, u16 index, void *transfer_buffer, int length, int in)
	141	{
	142	struct go7007_usb *usb = go->hpi_context;
	143	int timeout = 5000;
	144
	145	if (in) {
	146	return usb_control_msg(usb->usbdev,
	147	usb_rcvctrlpipe(usb->usbdev, 0), request,
	148	USB_TYPE_VENDOR \| USB_RECIP_DEVICE \| USB_DIR_IN,
	149	value, index, transfer_buffer, length, timeout);
	150	} else {
	151	return usb_control_msg(usb->usbdev,
	152	usb_sndctrlpipe(usb->usbdev, 0), request,
	153	USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	154	value, index, transfer_buffer, length, timeout);
	155	}
	156	}
	157	/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	158
	159	static int write_reg(struct i2c_client *client, u8 reg, u8 value)
	160	{
	161	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	162	struct go7007_usb *usb;
b11869db	163	int rc;
986ce451	164	int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
b11869db PE	165	u8 *buf;
	166
	167	if (go == NULL)
	168	return -ENODEV;
	169
	170	if (go->status == STATUS_SHUTDOWN)
	171	return -EBUSY;
	172
	173	buf = kzalloc(16, GFP_KERNEL);
	174	if (buf == NULL)
	175	return -ENOMEM;
	176
41e84789	177	usb = go->hpi_context;
fd9a40da	178	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	179	dev_info(&client->dev, "i2c lock failed\n");
253d3b13	180	kfree(buf);
b11869db PE	181	return -EINTR;
	182	}
	183	rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
	184	(reg<<8 \| value),
	185	buf,
	186	16, 1);
	187
fd9a40da	188	mutex_unlock(&usb->i2c_lock);
b11869db PE	189	kfree(buf);
	190	return rc;
	191	}
	192
	193	static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
	194	{
	195	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	196	struct go7007_usb *usb;
0c07aec3	197	int rc;
b11869db PE	198	u8 *buf;
	199	struct s2250 *dec = i2c_get_clientdata(client);
	200
	201	if (go == NULL)
	202	return -ENODEV;
	203
	204	if (go->status == STATUS_SHUTDOWN)
	205	return -EBUSY;
	206
	207	buf = kzalloc(16, GFP_KERNEL);
	208
	209	if (buf == NULL)
	210	return -ENOMEM;
	211
	212
	213
	214	memset(buf, 0xcd, 6);
	215
41e84789	216	usb = go->hpi_context;
fd9a40da	217	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	218	dev_info(&client->dev, "i2c lock failed\n");
d66ddf21	219	kfree(buf);
b11869db PE	220	return -EINTR;
b11869db PE	221	}
0c07aec3 AK	222	rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
	223	mutex_unlock(&usb->i2c_lock);
	224	if (rc < 0) {
d66ddf21	225	kfree(buf);
0c07aec3	226	return rc;
d66ddf21	227	}
b11869db	228
b11869db PE	229	if (buf[0] == 0) {
	230	unsigned int subaddr, val_read;
	231
	232	subaddr = (buf[4] << 8) + buf[5];
	233	val_read = (buf[2] << 8) + buf[3];
d66ddf21	234	kfree(buf);
b11869db	235	if (val_read != val) {
5820debc YT	236	dev_info(&client->dev, "invalid fp write %x %x\n",
5820debc YT	237	val_read, val);
b11869db PE	238	return -EFAULT;
	239	}
	240	if (subaddr != addr) {
5820debc YT	241	dev_info(&client->dev, "invalid fp write addr %x %x\n",
5820debc YT	242	subaddr, addr);
b11869db PE	243	return -EFAULT;
b11869db PE	244	}
d66ddf21 PE	245	} else {
d66ddf21 PE	246	kfree(buf);
b11869db	247	return -EFAULT;
d66ddf21	248	}
b11869db PE	249
	250	/* save last 12b value */
	251	if (addr == 0x12b)
	252	dec->reg12b_val = val;
	253
	254	return 0;
	255	}
	256
047efc7d PE	257	static int read_reg_fp(struct i2c_client client, u16 addr, u16 val)
	258	{
	259	struct go7007 *go = i2c_get_adapdata(client->adapter);
	260	struct go7007_usb *usb;
0c07aec3	261	int rc;
047efc7d PE	262	u8 *buf;
	263
	264	if (go == NULL)
	265	return -ENODEV;
	266
	267	if (go->status == STATUS_SHUTDOWN)
	268	return -EBUSY;
	269
	270	buf = kzalloc(16, GFP_KERNEL);
	271
	272	if (buf == NULL)
	273	return -ENOMEM;
	274
	275
	276
	277	memset(buf, 0xcd, 6);
	278	usb = go->hpi_context;
e49bd72f	279	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	280	dev_info(&client->dev, "i2c lock failed\n");
047efc7d PE	281	kfree(buf);
	282	return -EINTR;
	283	}
0c07aec3 AK	284	rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
	285	mutex_unlock(&usb->i2c_lock);
	286	if (rc < 0) {
047efc7d	287	kfree(buf);
0c07aec3	288	return rc;
047efc7d	289	}
047efc7d PE	290
	291	*val = (buf[0] << 8) \| buf[1];
	292	kfree(buf);
	293
	294	return 0;
	295	}
	296
	297
b11869db PE	298	static int write_regs(struct i2c_client client, u8 regs)
	299	{
	300	int i;
	301
	302	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	303	if (write_reg(client, regs[i], regs[i+1]) < 0) {
5820debc	304	dev_info(&client->dev, "failed\n");
b11869db PE	305	return -1;
	306	}
	307	}
	308	return 0;
	309	}
	310
	311	static int write_regs_fp(struct i2c_client client, u16 regs)
	312	{
	313	int i;
	314
	315	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	316	if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
5820debc	317	dev_info(&client->dev, "failed fp\n");
b11869db PE	318	return -1;
	319	}
	320	}
	321	return 0;
	322	}
	323
	324
05d76f2d PE	325	/* ------------------------------------------------------------------------- */
	326
	327	static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	328	u32 config)
b11869db	329	{
05d76f2d PE	330	struct s2250 *state = to_state(sd);
	331	struct i2c_client *client = v4l2_get_subdevdata(sd);
	332	int vidsys;
	333
	334	vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
	335	if (input == 0) {
	336	/* composite */
	337	write_reg_fp(client, 0x20, 0x020 \| vidsys);
	338	write_reg_fp(client, 0x21, 0x662);
	339	write_reg_fp(client, 0x140, 0x060);
	340	} else if (input == 1) {
	341	/* S-Video */
	342	write_reg_fp(client, 0x20, 0x040 \| vidsys);
	343	write_reg_fp(client, 0x21, 0x666);
	344	write_reg_fp(client, 0x140, 0x060);
	345	} else {
	346	return -EINVAL;
	347	}
	348	state->input = input;
	349	return 0;
	350	}
b11869db	351
05d76f2d PE	352	static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
	353	{
	354	struct s2250 *state = to_state(sd);
	355	struct i2c_client *client = v4l2_get_subdevdata(sd);
	356	u16 vidsource;
	357
	358	vidsource = (state->input == 1) ? 0x040 : 0x020;
50deb749	359	if (norm & V4L2_STD_625_50) {
05d76f2d PE	360	write_regs_fp(client, vid_regs_fp);
	361	write_regs_fp(client, vid_regs_fp_pal);
	362	write_reg_fp(client, 0x20, vidsource);
50deb749 HV	363	} else {
	364	write_regs_fp(client, vid_regs_fp);
	365	write_reg_fp(client, 0x20, vidsource \| 1);
b11869db	366	}
05d76f2d PE	367	state->std = norm;
	368	return 0;
	369	}
	370
d3b2ccd9	371	static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
05d76f2d	372	{
d3b2ccd9 HV	373	struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
d3b2ccd9 HV	374	struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
05d76f2d PE	375	u16 oldvalue;
	376
	377	switch (ctrl->id) {
	378	case V4L2_CID_BRIGHTNESS:
05d76f2d PE	379	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
05d76f2d PE	380	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
d3b2ccd9	381	ctrl->val \| (oldvalue & ~0xff));
05d76f2d PE	382	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
05d76f2d PE	383	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
d3b2ccd9	384	ctrl->val \| (oldvalue & ~0xff));
05d76f2d	385	write_reg_fp(client, 0x140, 0x60);
b11869db	386	break;
05d76f2d	387	case V4L2_CID_CONTRAST:
05d76f2d PE	388	read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
05d76f2d PE	389	write_reg_fp(client, VPX322_ADDR_CONTRAST0,
d3b2ccd9	390	ctrl->val \| (oldvalue & ~0x3f));
05d76f2d PE	391	read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
05d76f2d PE	392	write_reg_fp(client, VPX322_ADDR_CONTRAST1,
d3b2ccd9	393	ctrl->val \| (oldvalue & ~0x3f));
05d76f2d	394	write_reg_fp(client, 0x140, 0x60);
b11869db	395	break;
05d76f2d	396	case V4L2_CID_SATURATION:
d3b2ccd9	397	write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
05d76f2d PE	398	break;
05d76f2d PE	399	case V4L2_CID_HUE:
d3b2ccd9	400	write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
05d76f2d PE	401	break;
	402	default:
	403	return -EINVAL;
b11869db	404	}
05d76f2d PE	405	return 0;
	406	}
	407
6e80c473 HV	408	static int s2250_set_fmt(struct v4l2_subdev *sd,
	409	struct v4l2_subdev_pad_config *cfg,
	410	struct v4l2_subdev_format *format)
05d76f2d	411	{
6e80c473	412	struct v4l2_mbus_framefmt *fmt = &format->format;
05d76f2d PE	413	struct s2250 *state = to_state(sd);
	414	struct i2c_client *client = v4l2_get_subdevdata(sd);
	415
6e80c473 HV	416	if (format->pad)
	417	return -EINVAL;
	418
	419	if (format->which == V4L2_SUBDEV_FORMAT_TRY)
	420	return 0;
	421
b8c75ed8	422	if (fmt->height < 640) {
05d76f2d PE	423	write_reg_fp(client, 0x12b, state->reg12b_val \| 0x400);
	424	write_reg_fp(client, 0x140, 0x060);
	425	} else {
	426	write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
	427	write_reg_fp(client, 0x140, 0x060);
b11869db	428	}
05d76f2d PE	429	return 0;
05d76f2d PE	430	}
b11869db	431
05d76f2d PE	432	static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	433	u32 config)
	434	{
	435	struct s2250 *state = to_state(sd);
	436
	437	switch (input) {
	438	case 0:
	439	write_reg(state->audio, 0x08, 0x02); /* Line In */
	440	break;
	441	case 1:
	442	write_reg(state->audio, 0x08, 0x04); /* Mic */
b11869db	443	break;
05d76f2d PE	444	case 2:
	445	write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
	446	break;
	447	default:
	448	return -EINVAL;
b11869db	449	}
05d76f2d PE	450	state->audio_input = input;
	451	return 0;
	452	}
	453
	454
	455	static int s2250_log_status(struct v4l2_subdev *sd)
	456	{
	457	struct s2250 *state = to_state(sd);
	458
	459	v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
	460	state->std == V4L2_STD_PAL ? "PAL" :
	461	state->std == V4L2_STD_SECAM ? "SECAM" :
	462	"unknown");
	463	v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
	464	state->input == 1 ? "S-video" :
	465	"error");
05d76f2d PE	466	v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
	467	state->audio_input == 1 ? "Mic" :
	468	state->audio_input == 2 ? "Mic Boost" :
	469	"error");
d3b2ccd9	470	return v4l2_ctrl_subdev_log_status(sd);
b11869db PE	471	}
b11869db PE	472
05d76f2d PE	473	/* --------------------------------------------------------------------------*/
05d76f2d PE	474
d3b2ccd9 HV	475	static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
	476	.s_ctrl = s2250_s_ctrl,
	477	};
	478
05d76f2d PE	479	static const struct v4l2_subdev_core_ops s2250_core_ops = {
05d76f2d PE	480	.log_status = s2250_log_status,
05d76f2d PE	481	};
	482
	483	static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
	484	.s_routing = s2250_s_audio_routing,
	485	};
	486
	487	static const struct v4l2_subdev_video_ops s2250_video_ops = {
8774bed9	488	.s_std = s2250_s_std,
05d76f2d	489	.s_routing = s2250_s_video_routing,
6e80c473 HV	490	};
	491
	492	static const struct v4l2_subdev_pad_ops s2250_pad_ops = {
	493	.set_fmt = s2250_set_fmt,
05d76f2d PE	494	};
	495
	496	static const struct v4l2_subdev_ops s2250_ops = {
	497	.core = &s2250_core_ops,
	498	.audio = &s2250_audio_ops,
	499	.video = &s2250_video_ops,
6e80c473	500	.pad = &s2250_pad_ops,
05d76f2d PE	501	};
	502
	503	/* --------------------------------------------------------------------------*/
	504
7400516a JD	505	static int s2250_probe(struct i2c_client *client,
7400516a JD	506	const struct i2c_device_id *id)
b11869db	507	{
7400516a JD	508	struct i2c_client *audio;
7400516a JD	509	struct i2c_adapter *adapter = client->adapter;
05d76f2d PE	510	struct s2250 *state;
05d76f2d PE	511	struct v4l2_subdev *sd;
b11869db PE	512	u8 *data;
	513	struct go7007 *go = i2c_get_adapdata(adapter);
	514	struct go7007_usb *usb = go->hpi_context;
	515
7400516a JD	516	audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
7400516a JD	517	if (audio == NULL)
b11869db	518	return -ENOMEM;
b11869db	519
9b6ebf33	520	state = kzalloc(sizeof(struct s2250), GFP_KERNEL);
05d76f2d	521	if (state == NULL) {
7400516a	522	i2c_unregister_device(audio);
b11869db PE	523	return -ENOMEM;
	524	}
	525
05d76f2d PE	526	sd = &state->sd;
05d76f2d PE	527	v4l2_i2c_subdev_init(sd, client, &s2250_ops);
b11869db	528
05d76f2d PE	529	v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
	530	"Sensoray 2250/2251", client->addr, client->adapter->name);
	531
d3b2ccd9 HV	532	v4l2_ctrl_handler_init(&state->hdl, 4);
	533	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	534	V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
	535	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	536	V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32);
	537	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	538	V4L2_CID_SATURATION, 0, 4094, 1, 2070);
	539	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
	540	V4L2_CID_HUE, -512, 511, 1, 0);
	541	sd->ctrl_handler = &state->hdl;
	542	if (state->hdl.error) {
	543	int err = state->hdl.error;
	544
	545	v4l2_ctrl_handler_free(&state->hdl);
	546	kfree(state);
	547	return err;
	548	}
	549
05d76f2d PE	550	state->std = V4L2_STD_NTSC;
	551	state->brightness = 50;
	552	state->contrast = 50;
	553	state->saturation = 50;
	554	state->hue = 0;
	555	state->audio = audio;
b11869db PE	556
b11869db PE	557	/* initialize the audio */
7400516a	558	if (write_regs(audio, aud_regs) < 0) {
5820debc	559	dev_err(&client->dev, "error initializing audio\n");
d3b2ccd9	560	goto fail;
b11869db	561	}
b11869db PE	562
b11869db PE	563	if (write_regs(client, vid_regs) < 0) {
5820debc	564	dev_err(&client->dev, "error initializing decoder\n");
d3b2ccd9	565	goto fail;
b11869db PE	566	}
b11869db PE	567	if (write_regs_fp(client, vid_regs_fp) < 0) {
5820debc	568	dev_err(&client->dev, "error initializing decoder\n");
d3b2ccd9	569	goto fail;
b11869db PE	570	}
	571	/* set default channel */
	572	/* composite */
	573	write_reg_fp(client, 0x20, 0x020 \| 1);
	574	write_reg_fp(client, 0x21, 0x662);
	575	write_reg_fp(client, 0x140, 0x060);
	576
	577	/* set default audio input */
05d76f2d	578	state->audio_input = 0;
b11869db PE	579	write_reg(client, 0x08, 0x02); /* Line In */
b11869db PE	580
fd9a40da	581	if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
b11869db PE	582	data = kzalloc(16, GFP_KERNEL);
b11869db PE	583	if (data != NULL) {
9707cb55	584	int rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
b11869db	585	data, 16, 1);
9707cb55	586
b11869db PE	587	if (rc > 0) {
b11869db PE	588	u8 mask;
9707cb55	589
b11869db PE	590	data[0] = 0;
	591	mask = 1<<5;
	592	data[0] &= ~mask;
	593	data[1] \|= mask;
	594	go7007_usb_vendor_request(go, 0x40, 0,
	595	(data[1]<<8)
	596	+ data[1],
	597	data, 16, 0);
	598	}
	599	kfree(data);
	600	}
fd9a40da	601	mutex_unlock(&usb->i2c_lock);
b11869db PE	602	}
b11869db PE	603
05d76f2d	604	v4l2_info(sd, "initialized successfully\n");
b11869db	605	return 0;
d3b2ccd9 HV	606
	607	fail:
	608	i2c_unregister_device(audio);
	609	v4l2_ctrl_handler_free(&state->hdl);
	610	kfree(state);
	611	return -EIO;
b11869db PE	612	}
b11869db PE	613
7400516a	614	static int s2250_remove(struct i2c_client *client)
b11869db	615	{
d3b2ccd9	616	struct s2250 *state = to_state(i2c_get_clientdata(client));
b11869db	617
d3b2ccd9 HV	618	v4l2_device_unregister_subdev(&state->sd);
	619	v4l2_ctrl_handler_free(&state->hdl);
	620	kfree(state);
b11869db PE	621	return 0;
	622	}
	623
b76a3263	624	static const struct i2c_device_id s2250_id[] = {
832b6a89	625	{ "s2250", 0 },
7400516a JD	626	{ }
7400516a JD	627	};
832b6a89 PE	628	MODULE_DEVICE_TABLE(i2c, s2250_id);
832b6a89 PE	629
22ac5f67 HV	630	static struct i2c_driver s2250_driver = {
22ac5f67 HV	631	.driver = {
22ac5f67 HV	632	.name = "s2250",
	633	},
	634	.probe = s2250_probe,
	635	.remove = s2250_remove,
	636	.id_table = s2250_id,
b11869db	637	};
22ac5f67	638
74ffbf86	639	module_i2c_driver(s2250_driver);