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Diffstat (limited to 'drivers/media/video/bt856.c')
-rw-r--r--drivers/media/video/bt856.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
deleted file mode 100644
index 7e5bd36..0000000
--- a/drivers/media/video/bt856.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * bt856 - BT856A Digital Video Encoder (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>
- *
- * This code was modify/ported from the saa7111 driver written
- * by Dave Perks.
- *
- * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
- * - moved over to linux>=2.4.x i2c protocol (9/9/2002)
- *
- * 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/slab.h>
-#include <linux/ioctl.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-
-MODULE_DESCRIPTION("Brooktree-856A video encoder 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)");
-
-
-/* ----------------------------------------------------------------------- */
-
-#define BT856_REG_OFFSET 0xDA
-#define BT856_NR_REG 6
-
-struct bt856 {
- struct v4l2_subdev sd;
- unsigned char reg[BT856_NR_REG];
-
- v4l2_std_id norm;
-};
-
-static inline struct bt856 *to_bt856(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct bt856, sd);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static inline int bt856_write(struct bt856 *encoder, u8 reg, u8 value)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&encoder->sd);
-
- encoder->reg[reg - BT856_REG_OFFSET] = value;
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int bt856_setbit(struct bt856 *encoder, u8 reg, u8 bit, u8 value)
-{
- return bt856_write(encoder, reg,
- (encoder->reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) |
- (value ? (1 << bit) : 0));
-}
-
-static void bt856_dump(struct bt856 *encoder)
-{
- int i;
-
- v4l2_info(&encoder->sd, "register dump:\n");
- for (i = 0; i < BT856_NR_REG; i += 2)
- printk(KERN_CONT " %02x", encoder->reg[i]);
- printk(KERN_CONT "\n");
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int bt856_init(struct v4l2_subdev *sd, u32 arg)
-{
- struct bt856 *encoder = to_bt856(sd);
-
- /* This is just for testing!!! */
- v4l2_dbg(1, debug, sd, "init\n");
- bt856_write(encoder, 0xdc, 0x18);
- bt856_write(encoder, 0xda, 0);
- bt856_write(encoder, 0xde, 0);
-
- bt856_setbit(encoder, 0xdc, 3, 1);
- /*bt856_setbit(encoder, 0xdc, 6, 0);*/
- bt856_setbit(encoder, 0xdc, 4, 1);
-
- if (encoder->norm & V4L2_STD_NTSC)
- bt856_setbit(encoder, 0xdc, 2, 0);
- else
- bt856_setbit(encoder, 0xdc, 2, 1);
-
- bt856_setbit(encoder, 0xdc, 1, 1);
- bt856_setbit(encoder, 0xde, 4, 0);
- bt856_setbit(encoder, 0xde, 3, 1);
- if (debug != 0)
- bt856_dump(encoder);
- return 0;
-}
-
-static int bt856_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
-{
- struct bt856 *encoder = to_bt856(sd);
-
- v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std);
-
- if (std & V4L2_STD_NTSC) {
- bt856_setbit(encoder, 0xdc, 2, 0);
- } else if (std & V4L2_STD_PAL) {
- bt856_setbit(encoder, 0xdc, 2, 1);
- bt856_setbit(encoder, 0xda, 0, 0);
- /*bt856_setbit(encoder, 0xda, 0, 1);*/
- } else {
- return -EINVAL;
- }
- encoder->norm = std;
- if (debug != 0)
- bt856_dump(encoder);
- return 0;
-}
-
-static int bt856_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
-{
- struct bt856 *encoder = to_bt856(sd);
-
- v4l2_dbg(1, debug, sd, "set input %d\n", input);
-
- /* We only have video bus.
- * input= 0: input is from bt819
- * input= 1: input is from ZR36060 */
- switch (input) {
- case 0:
- bt856_setbit(encoder, 0xde, 4, 0);
- bt856_setbit(encoder, 0xde, 3, 1);
- bt856_setbit(encoder, 0xdc, 3, 1);
- bt856_setbit(encoder, 0xdc, 6, 0);
- break;
- case 1:
- bt856_setbit(encoder, 0xde, 4, 0);
- bt856_setbit(encoder, 0xde, 3, 1);
- bt856_setbit(encoder, 0xdc, 3, 1);
- bt856_setbit(encoder, 0xdc, 6, 1);
- break;
- case 2: /* Color bar */
- bt856_setbit(encoder, 0xdc, 3, 0);
- bt856_setbit(encoder, 0xde, 4, 1);
- break;
- default:
- return -EINVAL;
- }
-
- if (debug != 0)
- bt856_dump(encoder);
- return 0;
-}
-
-static int bt856_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_BT856, 0);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_subdev_core_ops bt856_core_ops = {
- .g_chip_ident = bt856_g_chip_ident,
- .init = bt856_init,
-};
-
-static const struct v4l2_subdev_video_ops bt856_video_ops = {
- .s_std_output = bt856_s_std_output,
- .s_routing = bt856_s_routing,
-};
-
-static const struct v4l2_subdev_ops bt856_ops = {
- .core = &bt856_core_ops,
- .video = &bt856_video_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-static int bt856_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct bt856 *encoder;
- struct v4l2_subdev *sd;
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -ENODEV;
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
-
- encoder = kzalloc(sizeof(struct bt856), GFP_KERNEL);
- if (encoder == NULL)
- return -ENOMEM;
- sd = &encoder->sd;
- v4l2_i2c_subdev_init(sd, client, &bt856_ops);
- encoder->norm = V4L2_STD_NTSC;
-
- bt856_write(encoder, 0xdc, 0x18);
- bt856_write(encoder, 0xda, 0);
- bt856_write(encoder, 0xde, 0);
-
- bt856_setbit(encoder, 0xdc, 3, 1);
- /*bt856_setbit(encoder, 0xdc, 6, 0);*/
- bt856_setbit(encoder, 0xdc, 4, 1);
-
- if (encoder->norm & V4L2_STD_NTSC)
- bt856_setbit(encoder, 0xdc, 2, 0);
- else
- bt856_setbit(encoder, 0xdc, 2, 1);
-
- bt856_setbit(encoder, 0xdc, 1, 1);
- bt856_setbit(encoder, 0xde, 4, 0);
- bt856_setbit(encoder, 0xde, 3, 1);
-
- if (debug != 0)
- bt856_dump(encoder);
- return 0;
-}
-
-static int bt856_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
-
- v4l2_device_unregister_subdev(sd);
- kfree(to_bt856(sd));
- return 0;
-}
-
-static const struct i2c_device_id bt856_id[] = {
- { "bt856", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, bt856_id);
-
-static struct i2c_driver bt856_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "bt856",
- },
- .probe = bt856_probe,
- .remove = bt856_remove,
- .id_table = bt856_id,
-};
-
-module_i2c_driver(bt856_driver);
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