[media] move i2c files into drivers/media/i2c

Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 517 deletions

diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
deleted file mode 100644
index 377bf05b1efd..000000000000
--- a/drivers/media/video/bt819.c
+++ /dev/null
@@ -1,517 +0,0 @@
-/*
- *  bt819 - BT819A VideoStream Decoder (Rockwell Part)
- *
- * Copyright (C) 1999 Mike Bernson <mike@mlb.org>
- * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
- *
- * Modifications for LML33/DC10plus unified driver
- * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
- *
- * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
- *    - moved over to linux>=2.4.x i2c protocol (9/9/2002)
- *
- * This code was modify/ported from the saa7111 driver written
- * by Dave Perks.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <linux/slab.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-ctrls.h>
-#include <media/bt819.h>
-
-MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
-MODULE_AUTHOR("Mike Bernson & Dave Perks");
-MODULE_LICENSE("GPL");
-
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-
-/* ----------------------------------------------------------------------- */
-
-struct bt819 {
-	struct v4l2_subdev sd;
-	struct v4l2_ctrl_handler hdl;
-	unsigned char reg[32];
-
-	v4l2_std_id norm;
-	int ident;
-	int input;
-	int enable;
-};
-
-static inline struct bt819 *to_bt819(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct bt819, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
-	return &container_of(ctrl->handler, struct bt819, hdl)->sd;
-}
-
-struct timing {
-	int hactive;
-	int hdelay;
-	int vactive;
-	int vdelay;
-	int hscale;
-	int vscale;
-};
-
-/* for values, see the bt819 datasheet */
-static struct timing timing_data[] = {
-	{864 - 24, 20, 625 - 2, 1, 0x0504, 0x0000},
-	{858 - 24, 20, 525 - 2, 1, 0x00f8, 0x0000},
-};
-
-/* ----------------------------------------------------------------------- */
-
-static inline int bt819_write(struct bt819 *decoder, u8 reg, u8 value)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);
-
-	decoder->reg[reg] = value;
-	return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int bt819_setbit(struct bt819 *decoder, u8 reg, u8 bit, u8 value)
-{
-	return bt819_write(decoder, reg,
-		(decoder->reg[reg] & ~(1 << bit)) | (value ? (1 << bit) : 0));
-}
-
-static int bt819_write_block(struct bt819 *decoder, const u8 *data, unsigned int len)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);
-	int ret = -1;
-	u8 reg;
-
-	/* the bt819 has an autoincrement function, use it if
-	 * the adapter understands raw I2C */
-	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
-		/* do raw I2C, not smbus compatible */
-		u8 block_data[32];
-		int block_len;
-
-		while (len >= 2) {
-			block_len = 0;
-			block_data[block_len++] = reg = data[0];
-			do {
-				block_data[block_len++] =
-				    decoder->reg[reg++] = data[1];
-				len -= 2;
-				data += 2;
-			} while (len >= 2 && data[0] == reg && block_len < 32);
-			ret = i2c_master_send(client, block_data, block_len);
-			if (ret < 0)
-				break;
-		}
-	} else {
-		/* do some slow I2C emulation kind of thing */
-		while (len >= 2) {
-			reg = *data++;
-			ret = bt819_write(decoder, reg, *data++);
-			if (ret < 0)
-				break;
-			len -= 2;
-		}
-	}
-
-	return ret;
-}
-
-static inline int bt819_read(struct bt819 *decoder, u8 reg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&decoder->sd);
-
-	return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int bt819_init(struct v4l2_subdev *sd)
-{
-	static unsigned char init[] = {
-		/*0x1f, 0x00,*/     /* Reset */
-		0x01, 0x59,	/* 0x01 input format */
-		0x02, 0x00,	/* 0x02 temporal decimation */
-		0x03, 0x12,	/* 0x03 Cropping msb */
-		0x04, 0x16,	/* 0x04 Vertical Delay, lsb */
-		0x05, 0xe0,	/* 0x05 Vertical Active lsb */
-		0x06, 0x80,	/* 0x06 Horizontal Delay lsb */
-		0x07, 0xd0,	/* 0x07 Horizontal Active lsb */
-		0x08, 0x00,	/* 0x08 Horizontal Scaling msb */
-		0x09, 0xf8,	/* 0x09 Horizontal Scaling lsb */
-		0x0a, 0x00,	/* 0x0a Brightness control */
-		0x0b, 0x30,	/* 0x0b Miscellaneous control */
-		0x0c, 0xd8,	/* 0x0c Luma Gain lsb */
-		0x0d, 0xfe,	/* 0x0d Chroma Gain (U) lsb */
-		0x0e, 0xb4,	/* 0x0e Chroma Gain (V) msb */
-		0x0f, 0x00,	/* 0x0f Hue control */
-		0x12, 0x04,	/* 0x12 Output Format */
-		0x13, 0x20,	/* 0x13 Vertial Scaling msb 0x00
-					   chroma comb OFF, line drop scaling, interlace scaling
-					   BUG? Why does turning the chroma comb on fuck up color?
-					   Bug in the bt819 stepping on my board?
-					*/
-		0x14, 0x00,	/* 0x14 Vertial Scaling lsb */
-		0x16, 0x07,	/* 0x16 Video Timing Polarity
-					   ACTIVE=active low
-					   FIELD: high=odd,
-					   vreset=active high,
-					   hreset=active high */
-		0x18, 0x68,	/* 0x18 AGC Delay */
-		0x19, 0x5d,	/* 0x19 Burst Gate Delay */
-		0x1a, 0x80,	/* 0x1a ADC Interface */
-	};
-
-	struct bt819 *decoder = to_bt819(sd);
-	struct timing *timing = &timing_data[(decoder->norm & V4L2_STD_525_60) ? 1 : 0];
-
-	init[0x03 * 2 - 1] =
-	    (((timing->vdelay >> 8) & 0x03) << 6) |
-	    (((timing->vactive >> 8) & 0x03) << 4) |
-	    (((timing->hdelay >> 8) & 0x03) << 2) |
-	    ((timing->hactive >> 8) & 0x03);
-	init[0x04 * 2 - 1] = timing->vdelay & 0xff;
-	init[0x05 * 2 - 1] = timing->vactive & 0xff;
-	init[0x06 * 2 - 1] = timing->hdelay & 0xff;
-	init[0x07 * 2 - 1] = timing->hactive & 0xff;
-	init[0x08 * 2 - 1] = timing->hscale >> 8;
-	init[0x09 * 2 - 1] = timing->hscale & 0xff;
-	/* 0x15 in array is address 0x19 */
-	init[0x15 * 2 - 1] = (decoder->norm & V4L2_STD_625_50) ? 115 : 93;	/* Chroma burst delay */
-	/* reset */
-	bt819_write(decoder, 0x1f, 0x00);
-	mdelay(1);
-
-	/* init */
-	return bt819_write_block(decoder, init, sizeof(init));
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int bt819_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
-{
-	struct bt819 *decoder = to_bt819(sd);
-	int status = bt819_read(decoder, 0x00);
-	int res = V4L2_IN_ST_NO_SIGNAL;
-	v4l2_std_id std;
-
-	if ((status & 0x80))
-		res = 0;
-
-	if ((status & 0x10))
-		std = V4L2_STD_PAL;
-	else
-		std = V4L2_STD_NTSC;
-	if (pstd)
-		*pstd = std;
-	if (pstatus)
-		*pstatus = res;
-
-	v4l2_dbg(1, debug, sd, "get status %x\n", status);
-	return 0;
-}
-
-static int bt819_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
-{
-	return bt819_status(sd, NULL, std);
-}
-
-static int bt819_g_input_status(struct v4l2_subdev *sd, u32 *status)
-{
-	return bt819_status(sd, status, NULL);
-}
-
-static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
-{
-	struct bt819 *decoder = to_bt819(sd);
-	struct timing *timing = NULL;
-
-	v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std);
-
-	if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)
-		v4l2_err(sd, "no notify found!\n");
-
-	if (std & V4L2_STD_NTSC) {
-		v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, NULL);
-		bt819_setbit(decoder, 0x01, 0, 1);
-		bt819_setbit(decoder, 0x01, 1, 0);
-		bt819_setbit(decoder, 0x01, 5, 0);
-		bt819_write(decoder, 0x18, 0x68);
-		bt819_write(decoder, 0x19, 0x5d);
-		/* bt819_setbit(decoder, 0x1a,  5, 1); */
-		timing = &timing_data[1];
-	} else if (std & V4L2_STD_PAL) {
-		v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, NULL);
-		bt819_setbit(decoder, 0x01, 0, 1);
-		bt819_setbit(decoder, 0x01, 1, 1);
-		bt819_setbit(decoder, 0x01, 5, 1);
-		bt819_write(decoder, 0x18, 0x7f);
-		bt819_write(decoder, 0x19, 0x72);
-		/* bt819_setbit(decoder, 0x1a,  5, 0); */
-		timing = &timing_data[0];
-	} else {
-		v4l2_dbg(1, debug, sd, "unsupported norm %llx\n",
-				(unsigned long long)std);
-		return -EINVAL;
-	}
-	bt819_write(decoder, 0x03,
-			(((timing->vdelay >> 8) & 0x03) << 6) |
-			(((timing->vactive >> 8) & 0x03) << 4) |
-			(((timing->hdelay >> 8) & 0x03) << 2) |
-			((timing->hactive >> 8) & 0x03));
-	bt819_write(decoder, 0x04, timing->vdelay & 0xff);
-	bt819_write(decoder, 0x05, timing->vactive & 0xff);
-	bt819_write(decoder, 0x06, timing->hdelay & 0xff);
-	bt819_write(decoder, 0x07, timing->hactive & 0xff);
-	bt819_write(decoder, 0x08, (timing->hscale >> 8) & 0xff);
-	bt819_write(decoder, 0x09, timing->hscale & 0xff);
-	decoder->norm = std;
-	v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, NULL);
-	return 0;
-}
-
-static int bt819_s_routing(struct v4l2_subdev *sd,
-			   u32 input, u32 output, u32 config)
-{
-	struct bt819 *decoder = to_bt819(sd);
-
-	v4l2_dbg(1, debug, sd, "set input %x\n", input);
-
-	if (input > 7)
-		return -EINVAL;
-
-	if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)
-		v4l2_err(sd, "no notify found!\n");
-
-	if (decoder->input != input) {
-		v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, NULL);
-		decoder->input = input;
-		/* select mode */
-		if (decoder->input == 0) {
-			bt819_setbit(decoder, 0x0b, 6, 0);
-			bt819_setbit(decoder, 0x1a, 1, 1);
-		} else {
-			bt819_setbit(decoder, 0x0b, 6, 1);
-			bt819_setbit(decoder, 0x1a, 1, 0);
-		}
-		v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, NULL);
-	}
-	return 0;
-}
-
-static int bt819_s_stream(struct v4l2_subdev *sd, int enable)
-{
-	struct bt819 *decoder = to_bt819(sd);
-
-	v4l2_dbg(1, debug, sd, "enable output %x\n", enable);
-
-	if (decoder->enable != enable) {
-		decoder->enable = enable;
-		bt819_setbit(decoder, 0x16, 7, !enable);
-	}
-	return 0;
-}
-
-static int bt819_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct v4l2_subdev *sd = to_sd(ctrl);
-	struct bt819 *decoder = to_bt819(sd);
-	int temp;
-
-	switch (ctrl->id) {
-	case V4L2_CID_BRIGHTNESS:
-		bt819_write(decoder, 0x0a, ctrl->val);
-		break;
-
-	case V4L2_CID_CONTRAST:
-		bt819_write(decoder, 0x0c, ctrl->val & 0xff);
-		bt819_setbit(decoder, 0x0b, 2, ((ctrl->val >> 8) & 0x01));
-		break;
-
-	case V4L2_CID_SATURATION:
-		bt819_write(decoder, 0x0d, (ctrl->val >> 7) & 0xff);
-		bt819_setbit(decoder, 0x0b, 1, ((ctrl->val >> 15) & 0x01));
-
-		/* Ratio between U gain and V gain must stay the same as
-		   the ratio between the default U and V gain values. */
-		temp = (ctrl->val * 180) / 254;
-		bt819_write(decoder, 0x0e, (temp >> 7) & 0xff);
-		bt819_setbit(decoder, 0x0b, 0, (temp >> 15) & 0x01);
-		break;
-
-	case V4L2_CID_HUE:
-		bt819_write(decoder, 0x0f, ctrl->val);
-		break;
-
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int bt819_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
-	struct bt819 *decoder = to_bt819(sd);
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	return v4l2_chip_ident_i2c_client(client, chip, decoder->ident, 0);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_ctrl_ops bt819_ctrl_ops = {
-	.s_ctrl = bt819_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops bt819_core_ops = {
-	.g_chip_ident = bt819_g_chip_ident,
-	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
-	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
-	.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
-	.g_ctrl = v4l2_subdev_g_ctrl,
-	.s_ctrl = v4l2_subdev_s_ctrl,
-	.queryctrl = v4l2_subdev_queryctrl,
-	.querymenu = v4l2_subdev_querymenu,
-	.s_std = bt819_s_std,
-};
-
-static const struct v4l2_subdev_video_ops bt819_video_ops = {
-	.s_routing = bt819_s_routing,
-	.s_stream = bt819_s_stream,
-	.querystd = bt819_querystd,
-	.g_input_status = bt819_g_input_status,
-};
-
-static const struct v4l2_subdev_ops bt819_ops = {
-	.core = &bt819_core_ops,
-	.video = &bt819_video_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-static int bt819_probe(struct i2c_client *client,
-			const struct i2c_device_id *id)
-{
-	int i, ver;
-	struct bt819 *decoder;
-	struct v4l2_subdev *sd;
-	const char *name;
-
-	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return -ENODEV;
-
-	decoder = kzalloc(sizeof(struct bt819), GFP_KERNEL);
-	if (decoder == NULL)
-		return -ENOMEM;
-	sd = &decoder->sd;
-	v4l2_i2c_subdev_init(sd, client, &bt819_ops);
-
-	ver = bt819_read(decoder, 0x17);
-	switch (ver & 0xf0) {
-	case 0x70:
-		name = "bt819a";
-		decoder->ident = V4L2_IDENT_BT819A;
-		break;
-	case 0x60:
-		name = "bt817a";
-		decoder->ident = V4L2_IDENT_BT817A;
-		break;
-	case 0x20:
-		name = "bt815a";
-		decoder->ident = V4L2_IDENT_BT815A;
-		break;
-	default:
-		v4l2_dbg(1, debug, sd,
-			"unknown chip version 0x%02x\n", ver);
-		return -ENODEV;
-	}
-
-	v4l_info(client, "%s found @ 0x%x (%s)\n", name,
-			client->addr << 1, client->adapter->name);
-
-	decoder->norm = V4L2_STD_NTSC;
-	decoder->input = 0;
-	decoder->enable = 1;
-
-	i = bt819_init(sd);
-	if (i < 0)
-		v4l2_dbg(1, debug, sd, "init status %d\n", i);
-
-	v4l2_ctrl_handler_init(&decoder->hdl, 4);
-	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
-			V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
-	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
-			V4L2_CID_CONTRAST, 0, 511, 1, 0xd8);
-	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
-			V4L2_CID_SATURATION, 0, 511, 1, 0xfe);
-	v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
-			V4L2_CID_HUE, -128, 127, 1, 0);
-	sd->ctrl_handler = &decoder->hdl;
-	if (decoder->hdl.error) {
-		int err = decoder->hdl.error;
-
-		v4l2_ctrl_handler_free(&decoder->hdl);
-		kfree(decoder);
-		return err;
-	}
-	v4l2_ctrl_handler_setup(&decoder->hdl);
-	return 0;
-}
-
-static int bt819_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct bt819 *decoder = to_bt819(sd);
-
-	v4l2_device_unregister_subdev(sd);
-	v4l2_ctrl_handler_free(&decoder->hdl);
-	kfree(decoder);
-	return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct i2c_device_id bt819_id[] = {
-	{ "bt819a", 0 },
-	{ "bt817a", 0 },
-	{ "bt815a", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, bt819_id);
-
-static struct i2c_driver bt819_driver = {
-	.driver = {
-		.owner	= THIS_MODULE,
-		.name	= "bt819",
-	},
-	.probe		= bt819_probe,
-	.remove		= bt819_remove,
-	.id_table	= bt819_id,
-};
-
-module_i2c_driver(bt819_driver);