[linux-2.6-block.git] / drivers / media / usb / go7007 / s2250-board.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2008 Sensoray Company Inc.
 */

#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
1802d0be	1	// SPDX-License-Identifier: GPL-2.0-only
b11869db PE	2	/*
b11869db PE	3	* Copyright (C) 2008 Sensoray Company Inc.
b11869db PE	4	*/
	5
	6	#include <linux/module.h>
b11869db PE	7	#include <linux/usb.h>
	8	#include <linux/i2c.h>
	9	#include <linux/videodev2.h>
5a0e3ad6	10	#include <linux/slab.h>
832b6a89	11	#include <media/v4l2-device.h>
b11869db	12	#include <media/v4l2-common.h>
05d76f2d	13	#include <media/v4l2-subdev.h>
b11869db	14	#include "go7007-priv.h"
832b6a89 PE	15
	16	MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
	17	MODULE_LICENSE("GPL v2");
b11869db	18
b20cc073 HV	19	/*
	20	* Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b.
	21	* Due to the unusual way these are accessed on this device we do not
	22	* reuse the i2c drivers, but instead they are implemented in this
	23	* driver. It would be nice to improve on this, though.
	24	*/
	25
b11869db	26	#define TLV320_ADDRESS 0x34
b11869db PE	27	#define VPX322_ADDR_ANALOGCONTROL1 0x02
	28	#define VPX322_ADDR_BRIGHTNESS0 0x0127
	29	#define VPX322_ADDR_BRIGHTNESS1 0x0131
	30	#define VPX322_ADDR_CONTRAST0 0x0128
	31	#define VPX322_ADDR_CONTRAST1 0x0132
	32	#define VPX322_ADDR_HUE 0x00dc
028d4c98	33	#define VPX322_ADDR_SAT 0x0030
b11869db PE	34
	35	struct go7007_usb_board {
	36	unsigned int flags;
	37	struct go7007_board_info main_info;
	38	};
	39
	40	struct go7007_usb {
	41	struct go7007_usb_board *board;
fd9a40da	42	struct mutex i2c_lock;
b11869db PE	43	struct usb_device *usbdev;
	44	struct urb *video_urbs[8];
	45	struct urb *audio_urbs[8];
	46	struct urb *intr_urb;
	47	};
	48
	49	static unsigned char aud_regs[] = {
	50	0x1e, 0x00,
	51	0x00, 0x17,
	52	0x02, 0x17,
	53	0x04, 0xf9,
	54	0x06, 0xf9,
	55	0x08, 0x02,
	56	0x0a, 0x00,
	57	0x0c, 0x00,
	58	0x0a, 0x00,
	59	0x0c, 0x00,
	60	0x0e, 0x02,
	61	0x10, 0x00,
	62	0x12, 0x01,
	63	0x00, 0x00,
	64	};
	65
	66
	67	static unsigned char vid_regs[] = {
	68	0xF2, 0x0f,
	69	0xAA, 0x00,
	70	0xF8, 0xff,
	71	0x00, 0x00,
	72	};
	73
	74	static u16 vid_regs_fp[] = {
	75	0x028, 0x067,
	76	0x120, 0x016,
	77	0x121, 0xcF2,
	78	0x122, 0x0F2,
	79	0x123, 0x00c,
	80	0x124, 0x2d0,
	81	0x125, 0x2e0,
	82	0x126, 0x004,
	83	0x128, 0x1E0,
	84	0x12A, 0x016,
	85	0x12B, 0x0F2,
	86	0x12C, 0x0F2,
	87	0x12D, 0x00c,
	88	0x12E, 0x2d0,
	89	0x12F, 0x2e0,
	90	0x130, 0x004,
	91	0x132, 0x1E0,
	92	0x140, 0x060,
	93	0x153, 0x00C,
	94	0x154, 0x200,
	95	0x150, 0x801,
	96	0x000, 0x000
	97	};
	98
	99	/* PAL specific values */
b91c78e3	100	static u16 vid_regs_fp_pal[] = {
b11869db PE	101	0x120, 0x017,
	102	0x121, 0xd22,
	103	0x122, 0x122,
	104	0x12A, 0x017,
	105	0x12B, 0x122,
	106	0x12C, 0x122,
	107	0x140, 0x060,
	108	0x000, 0x000,
	109	};
	110
	111	struct s2250 {
05d76f2d	112	struct v4l2_subdev sd;
d3b2ccd9	113	struct v4l2_ctrl_handler hdl;
047efc7d	114	v4l2_std_id std;
b11869db PE	115	int input;
	116	int brightness;
	117	int contrast;
	118	int saturation;
	119	int hue;
	120	int reg12b_val;
	121	int audio_input;
7400516a	122	struct i2c_client *audio;
b11869db PE	123	};
b11869db PE	124
05d76f2d PE	125	static inline struct s2250 to_state(struct v4l2_subdev sd)
	126	{
	127	return container_of(sd, struct s2250, sd);
	128	}
	129
b11869db PE	130	/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	131	static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
	132	u16 value, u16 index, void *transfer_buffer, int length, int in)
	133	{
	134	struct go7007_usb *usb = go->hpi_context;
	135	int timeout = 5000;
	136
	137	if (in) {
	138	return usb_control_msg(usb->usbdev,
	139	usb_rcvctrlpipe(usb->usbdev, 0), request,
	140	USB_TYPE_VENDOR \| USB_RECIP_DEVICE \| USB_DIR_IN,
	141	value, index, transfer_buffer, length, timeout);
	142	} else {
	143	return usb_control_msg(usb->usbdev,
	144	usb_sndctrlpipe(usb->usbdev, 0), request,
	145	USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	146	value, index, transfer_buffer, length, timeout);
	147	}
	148	}
	149	/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
	150
	151	static int write_reg(struct i2c_client *client, u8 reg, u8 value)
	152	{
	153	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	154	struct go7007_usb *usb;
b11869db	155	int rc;
986ce451	156	int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
b11869db PE	157	u8 *buf;
	158
	159	if (go == NULL)
	160	return -ENODEV;
	161
	162	if (go->status == STATUS_SHUTDOWN)
	163	return -EBUSY;
	164
	165	buf = kzalloc(16, GFP_KERNEL);
	166	if (buf == NULL)
	167	return -ENOMEM;
	168
41e84789	169	usb = go->hpi_context;
fd9a40da	170	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	171	dev_info(&client->dev, "i2c lock failed\n");
253d3b13	172	kfree(buf);
b11869db PE	173	return -EINTR;
	174	}
	175	rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
	176	(reg<<8 \| value),
	177	buf,
	178	16, 1);
	179
fd9a40da	180	mutex_unlock(&usb->i2c_lock);
b11869db PE	181	kfree(buf);
	182	return rc;
	183	}
	184
	185	static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
	186	{
	187	struct go7007 *go = i2c_get_adapdata(client->adapter);
41e84789	188	struct go7007_usb *usb;
0c07aec3	189	int rc;
b11869db PE	190	u8 *buf;
	191	struct s2250 *dec = i2c_get_clientdata(client);
	192
	193	if (go == NULL)
	194	return -ENODEV;
	195
	196	if (go->status == STATUS_SHUTDOWN)
	197	return -EBUSY;
	198
	199	buf = kzalloc(16, GFP_KERNEL);
	200
	201	if (buf == NULL)
	202	return -ENOMEM;
	203
	204
	205
	206	memset(buf, 0xcd, 6);
	207
41e84789	208	usb = go->hpi_context;
fd9a40da	209	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	210	dev_info(&client->dev, "i2c lock failed\n");
d66ddf21	211	kfree(buf);
b11869db PE	212	return -EINTR;
b11869db PE	213	}
0c07aec3 AK	214	rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
	215	mutex_unlock(&usb->i2c_lock);
	216	if (rc < 0) {
d66ddf21	217	kfree(buf);
0c07aec3	218	return rc;
d66ddf21	219	}
b11869db	220
b11869db PE	221	if (buf[0] == 0) {
	222	unsigned int subaddr, val_read;
	223
	224	subaddr = (buf[4] << 8) + buf[5];
	225	val_read = (buf[2] << 8) + buf[3];
d66ddf21	226	kfree(buf);
b11869db	227	if (val_read != val) {
5820debc YT	228	dev_info(&client->dev, "invalid fp write %x %x\n",
5820debc YT	229	val_read, val);
b11869db PE	230	return -EFAULT;
	231	}
	232	if (subaddr != addr) {
5820debc YT	233	dev_info(&client->dev, "invalid fp write addr %x %x\n",
5820debc YT	234	subaddr, addr);
b11869db PE	235	return -EFAULT;
b11869db PE	236	}
d66ddf21 PE	237	} else {
d66ddf21 PE	238	kfree(buf);
b11869db	239	return -EFAULT;
d66ddf21	240	}
b11869db PE	241
	242	/* save last 12b value */
	243	if (addr == 0x12b)
	244	dec->reg12b_val = val;
	245
	246	return 0;
	247	}
	248
047efc7d PE	249	static int read_reg_fp(struct i2c_client client, u16 addr, u16 val)
	250	{
	251	struct go7007 *go = i2c_get_adapdata(client->adapter);
	252	struct go7007_usb *usb;
0c07aec3	253	int rc;
047efc7d PE	254	u8 *buf;
	255
	256	if (go == NULL)
	257	return -ENODEV;
	258
	259	if (go->status == STATUS_SHUTDOWN)
	260	return -EBUSY;
	261
	262	buf = kzalloc(16, GFP_KERNEL);
	263
	264	if (buf == NULL)
	265	return -ENOMEM;
	266
	267
	268
	269	memset(buf, 0xcd, 6);
	270	usb = go->hpi_context;
e49bd72f	271	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
5820debc	272	dev_info(&client->dev, "i2c lock failed\n");
047efc7d PE	273	kfree(buf);
	274	return -EINTR;
	275	}
0c07aec3 AK	276	rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
	277	mutex_unlock(&usb->i2c_lock);
	278	if (rc < 0) {
047efc7d	279	kfree(buf);
0c07aec3	280	return rc;
047efc7d	281	}
047efc7d PE	282
	283	*val = (buf[0] << 8) \| buf[1];
	284	kfree(buf);
	285
	286	return 0;
	287	}
	288
	289
b11869db PE	290	static int write_regs(struct i2c_client client, u8 regs)
	291	{
	292	int i;
	293
	294	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	295	if (write_reg(client, regs[i], regs[i+1]) < 0) {
5820debc	296	dev_info(&client->dev, "failed\n");
b11869db PE	297	return -1;
	298	}
	299	}
	300	return 0;
	301	}
	302
	303	static int write_regs_fp(struct i2c_client client, u16 regs)
	304	{
	305	int i;
	306
	307	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
	308	if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
5820debc	309	dev_info(&client->dev, "failed fp\n");
b11869db PE	310	return -1;
	311	}
	312	}
	313	return 0;
	314	}
	315
	316
05d76f2d PE	317	/* ------------------------------------------------------------------------- */
	318
	319	static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	320	u32 config)
b11869db	321	{
05d76f2d PE	322	struct s2250 *state = to_state(sd);
	323	struct i2c_client *client = v4l2_get_subdevdata(sd);
	324	int vidsys;
	325
	326	vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
	327	if (input == 0) {
	328	/* composite */
	329	write_reg_fp(client, 0x20, 0x020 \| vidsys);
	330	write_reg_fp(client, 0x21, 0x662);
	331	write_reg_fp(client, 0x140, 0x060);
	332	} else if (input == 1) {
	333	/* S-Video */
	334	write_reg_fp(client, 0x20, 0x040 \| vidsys);
	335	write_reg_fp(client, 0x21, 0x666);
	336	write_reg_fp(client, 0x140, 0x060);
	337	} else {
	338	return -EINVAL;
	339	}
	340	state->input = input;
	341	return 0;
	342	}
b11869db	343
05d76f2d PE	344	static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
	345	{
	346	struct s2250 *state = to_state(sd);
	347	struct i2c_client *client = v4l2_get_subdevdata(sd);
	348	u16 vidsource;
	349
	350	vidsource = (state->input == 1) ? 0x040 : 0x020;
50deb749	351	if (norm & V4L2_STD_625_50) {
05d76f2d PE	352	write_regs_fp(client, vid_regs_fp);
	353	write_regs_fp(client, vid_regs_fp_pal);
	354	write_reg_fp(client, 0x20, vidsource);
50deb749 HV	355	} else {
	356	write_regs_fp(client, vid_regs_fp);
	357	write_reg_fp(client, 0x20, vidsource \| 1);
b11869db	358	}
05d76f2d PE	359	state->std = norm;
	360	return 0;
	361	}
	362
d3b2ccd9	363	static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
05d76f2d	364	{
d3b2ccd9 HV	365	struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
d3b2ccd9 HV	366	struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
05d76f2d PE	367	u16 oldvalue;
	368
	369	switch (ctrl->id) {
	370	case V4L2_CID_BRIGHTNESS:
05d76f2d PE	371	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
05d76f2d PE	372	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
d3b2ccd9	373	ctrl->val \| (oldvalue & ~0xff));
05d76f2d PE	374	read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
05d76f2d PE	375	write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
d3b2ccd9	376	ctrl->val \| (oldvalue & ~0xff));
05d76f2d	377	write_reg_fp(client, 0x140, 0x60);
b11869db	378	break;
05d76f2d	379	case V4L2_CID_CONTRAST:
05d76f2d PE	380	read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
05d76f2d PE	381	write_reg_fp(client, VPX322_ADDR_CONTRAST0,
d3b2ccd9	382	ctrl->val \| (oldvalue & ~0x3f));
05d76f2d PE	383	read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
05d76f2d PE	384	write_reg_fp(client, VPX322_ADDR_CONTRAST1,
d3b2ccd9	385	ctrl->val \| (oldvalue & ~0x3f));
05d76f2d	386	write_reg_fp(client, 0x140, 0x60);
b11869db	387	break;
05d76f2d	388	case V4L2_CID_SATURATION:
d3b2ccd9	389	write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
05d76f2d PE	390	break;
05d76f2d PE	391	case V4L2_CID_HUE:
d3b2ccd9	392	write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
05d76f2d PE	393	break;
	394	default:
	395	return -EINVAL;
b11869db	396	}
05d76f2d PE	397	return 0;
	398	}
	399
6e80c473 HV	400	static int s2250_set_fmt(struct v4l2_subdev *sd,
	401	struct v4l2_subdev_pad_config *cfg,
	402	struct v4l2_subdev_format *format)
05d76f2d	403	{
6e80c473	404	struct v4l2_mbus_framefmt *fmt = &format->format;
05d76f2d PE	405	struct s2250 *state = to_state(sd);
	406	struct i2c_client *client = v4l2_get_subdevdata(sd);
	407
6e80c473 HV	408	if (format->pad)
	409	return -EINVAL;
	410
	411	if (format->which == V4L2_SUBDEV_FORMAT_TRY)
	412	return 0;
	413
b8c75ed8	414	if (fmt->height < 640) {
05d76f2d PE	415	write_reg_fp(client, 0x12b, state->reg12b_val \| 0x400);
	416	write_reg_fp(client, 0x140, 0x060);
	417	} else {
	418	write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
	419	write_reg_fp(client, 0x140, 0x060);
b11869db	420	}
05d76f2d PE	421	return 0;
05d76f2d PE	422	}
b11869db	423
05d76f2d PE	424	static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
	425	u32 config)
	426	{
	427	struct s2250 *state = to_state(sd);
	428
	429	switch (input) {
	430	case 0:
	431	write_reg(state->audio, 0x08, 0x02); /* Line In */
	432	break;
	433	case 1:
	434	write_reg(state->audio, 0x08, 0x04); /* Mic */
b11869db	435	break;
05d76f2d PE	436	case 2:
	437	write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
	438	break;
	439	default:
	440	return -EINVAL;
b11869db	441	}
05d76f2d PE	442	state->audio_input = input;
	443	return 0;
	444	}
	445
	446
	447	static int s2250_log_status(struct v4l2_subdev *sd)
	448	{
	449	struct s2250 *state = to_state(sd);
	450
	451	v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
	452	state->std == V4L2_STD_PAL ? "PAL" :
	453	state->std == V4L2_STD_SECAM ? "SECAM" :
	454	"unknown");
	455	v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
	456	state->input == 1 ? "S-video" :
	457	"error");
05d76f2d PE	458	v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
	459	state->audio_input == 1 ? "Mic" :
	460	state->audio_input == 2 ? "Mic Boost" :
	461	"error");
d3b2ccd9	462	return v4l2_ctrl_subdev_log_status(sd);
b11869db PE	463	}
b11869db PE	464
05d76f2d PE	465	/* --------------------------------------------------------------------------*/
05d76f2d PE	466
d3b2ccd9 HV	467	static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
	468	.s_ctrl = s2250_s_ctrl,
	469	};
	470
05d76f2d PE	471	static const struct v4l2_subdev_core_ops s2250_core_ops = {
05d76f2d PE	472	.log_status = s2250_log_status,
05d76f2d PE	473	};
	474
	475	static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
	476	.s_routing = s2250_s_audio_routing,
	477	};
	478
	479	static const struct v4l2_subdev_video_ops s2250_video_ops = {
8774bed9	480	.s_std = s2250_s_std,
05d76f2d	481	.s_routing = s2250_s_video_routing,
6e80c473 HV	482	};
	483
	484	static const struct v4l2_subdev_pad_ops s2250_pad_ops = {
	485	.set_fmt = s2250_set_fmt,
05d76f2d PE	486	};
	487
	488	static const struct v4l2_subdev_ops s2250_ops = {
	489	.core = &s2250_core_ops,
	490	.audio = &s2250_audio_ops,
	491	.video = &s2250_video_ops,
6e80c473	492	.pad = &s2250_pad_ops,
05d76f2d PE	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);
b11869db PE	575	if (data != NULL) {
9707cb55	576	int rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
b11869db	577	data, 16, 1);
9707cb55	578
b11869db PE	579	if (rc > 0) {
b11869db PE	580	u8 mask;
9707cb55	581
b11869db PE	582	data[0] = 0;
	583	mask = 1<<5;
	584	data[0] &= ~mask;
	585	data[1] \|= mask;
	586	go7007_usb_vendor_request(go, 0x40, 0,
	587	(data[1]<<8)
	588	+ data[1],
	589	data, 16, 0);
	590	}
	591	kfree(data);
	592	}
fd9a40da	593	mutex_unlock(&usb->i2c_lock);
b11869db PE	594	}
b11869db PE	595
05d76f2d	596	v4l2_info(sd, "initialized successfully\n");
b11869db	597	return 0;
d3b2ccd9 HV	598
	599	fail:
	600	i2c_unregister_device(audio);
	601	v4l2_ctrl_handler_free(&state->hdl);
	602	kfree(state);
	603	return -EIO;
b11869db PE	604	}
b11869db PE	605
7400516a	606	static int s2250_remove(struct i2c_client *client)
b11869db	607	{
d3b2ccd9	608	struct s2250 *state = to_state(i2c_get_clientdata(client));
b11869db	609
d3b2ccd9 HV	610	v4l2_device_unregister_subdev(&state->sd);
	611	v4l2_ctrl_handler_free(&state->hdl);
	612	kfree(state);
b11869db PE	613	return 0;
	614	}
	615
b76a3263	616	static const struct i2c_device_id s2250_id[] = {
832b6a89	617	{ "s2250", 0 },
7400516a JD	618	{ }
7400516a JD	619	};
832b6a89 PE	620	MODULE_DEVICE_TABLE(i2c, s2250_id);
832b6a89 PE	621
22ac5f67 HV	622	static struct i2c_driver s2250_driver = {
22ac5f67 HV	623	.driver = {
22ac5f67 HV	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);