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path: root/drivers/media/video/bt856.c
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Diffstat (limited to 'drivers/media/video/bt856.c')
-rw-r--r--drivers/media/video/bt856.c303
1 files changed, 0 insertions, 303 deletions
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
deleted file mode 100644
index 4213867507f..00000000000
--- a/drivers/media/video/bt856.c
+++ /dev/null
@@ -1,303 +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/ioctl.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <linux/i2c-id.h>
-#include <linux/videodev.h>
-#include <linux/video_encoder.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-i2c-drv-legacy.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 {
- unsigned char reg[BT856_NR_REG];
-
- int norm;
- int enable;
-};
-
-/* ----------------------------------------------------------------------- */
-
-static inline int bt856_write(struct i2c_client *client, u8 reg, u8 value)
-{
- struct bt856 *encoder = i2c_get_clientdata(client);
-
- encoder->reg[reg - BT856_REG_OFFSET] = value;
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int bt856_setbit(struct i2c_client *client, u8 reg, u8 bit, u8 value)
-{
- struct bt856 *encoder = i2c_get_clientdata(client);
-
- return bt856_write(client, reg,
- (encoder->reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) |
- (value ? (1 << bit) : 0));
-}
-
-static void bt856_dump(struct i2c_client *client)
-{
- int i;
- struct bt856 *encoder = i2c_get_clientdata(client);
-
- v4l_info(client, "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_command(struct i2c_client *client, unsigned cmd, void *arg)
-{
- struct bt856 *encoder = i2c_get_clientdata(client);
-
- switch (cmd) {
- case 0:
- /* This is just for testing!!! */
- v4l_dbg(1, debug, client, "init\n");
- bt856_write(client, 0xdc, 0x18);
- bt856_write(client, 0xda, 0);
- bt856_write(client, 0xde, 0);
-
- bt856_setbit(client, 0xdc, 3, 1);
- //bt856_setbit(client, 0xdc, 6, 0);
- bt856_setbit(client, 0xdc, 4, 1);
-
- switch (encoder->norm) {
- case VIDEO_MODE_NTSC:
- bt856_setbit(client, 0xdc, 2, 0);
- break;
-
- case VIDEO_MODE_PAL:
- bt856_setbit(client, 0xdc, 2, 1);
- break;
- }
-
- bt856_setbit(client, 0xdc, 1, 1);
- bt856_setbit(client, 0xde, 4, 0);
- bt856_setbit(client, 0xde, 3, 1);
- if (debug != 0)
- bt856_dump(client);
- break;
-
- case ENCODER_GET_CAPABILITIES:
- {
- struct video_encoder_capability *cap = arg;
-
- v4l_dbg(1, debug, client, "get capabilities\n");
-
- cap->flags = VIDEO_ENCODER_PAL |
- VIDEO_ENCODER_NTSC |
- VIDEO_ENCODER_CCIR;
- cap->inputs = 2;
- cap->outputs = 1;
- break;
- }
-
- case ENCODER_SET_NORM:
- {
- int *iarg = arg;
-
- v4l_dbg(1, debug, client, "set norm %d\n", *iarg);
-
- switch (*iarg) {
- case VIDEO_MODE_NTSC:
- bt856_setbit(client, 0xdc, 2, 0);
- break;
-
- case VIDEO_MODE_PAL:
- bt856_setbit(client, 0xdc, 2, 1);
- bt856_setbit(client, 0xda, 0, 0);
- //bt856_setbit(client, 0xda, 0, 1);
- break;
-
- default:
- return -EINVAL;
- }
- encoder->norm = *iarg;
- if (debug != 0)
- bt856_dump(client);
- break;
- }
-
- case ENCODER_SET_INPUT:
- {
- int *iarg = arg;
-
- v4l_dbg(1, debug, client, "set input %d\n", *iarg);
-
- /* We only have video bus.
- * iarg = 0: input is from bt819
- * iarg = 1: input is from ZR36060 */
- switch (*iarg) {
- case 0:
- bt856_setbit(client, 0xde, 4, 0);
- bt856_setbit(client, 0xde, 3, 1);
- bt856_setbit(client, 0xdc, 3, 1);
- bt856_setbit(client, 0xdc, 6, 0);
- break;
- case 1:
- bt856_setbit(client, 0xde, 4, 0);
- bt856_setbit(client, 0xde, 3, 1);
- bt856_setbit(client, 0xdc, 3, 1);
- bt856_setbit(client, 0xdc, 6, 1);
- break;
- case 2: // Color bar
- bt856_setbit(client, 0xdc, 3, 0);
- bt856_setbit(client, 0xde, 4, 1);
- break;
- default:
- return -EINVAL;
- }
-
- if (debug != 0)
- bt856_dump(client);
- break;
- }
-
- case ENCODER_SET_OUTPUT:
- {
- int *iarg = arg;
-
- v4l_dbg(1, debug, client, "set output %d\n", *iarg);
-
- /* not much choice of outputs */
- if (*iarg != 0)
- return -EINVAL;
- break;
- }
-
- case ENCODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
-
- encoder->enable = !!*iarg;
-
- v4l_dbg(1, debug, client, "enable output %d\n", encoder->enable);
- break;
- }
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
-
-I2C_CLIENT_INSMOD;
-
-static int bt856_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct bt856 *encoder;
-
- /* 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;
- encoder->norm = VIDEO_MODE_NTSC;
- encoder->enable = 1;
- i2c_set_clientdata(client, encoder);
-
- bt856_write(client, 0xdc, 0x18);
- bt856_write(client, 0xda, 0);
- bt856_write(client, 0xde, 0);
-
- bt856_setbit(client, 0xdc, 3, 1);
- //bt856_setbit(client, 0xdc, 6, 0);
- bt856_setbit(client, 0xdc, 4, 1);
-
- switch (encoder->norm) {
-
- case VIDEO_MODE_NTSC:
- bt856_setbit(client, 0xdc, 2, 0);
- break;
-
- case VIDEO_MODE_PAL:
- bt856_setbit(client, 0xdc, 2, 1);
- break;
- }
-
- bt856_setbit(client, 0xdc, 1, 1);
- bt856_setbit(client, 0xde, 4, 0);
- bt856_setbit(client, 0xde, 3, 1);
-
- if (debug != 0)
- bt856_dump(client);
- return 0;
-}
-
-static int bt856_remove(struct i2c_client *client)
-{
- kfree(i2c_get_clientdata(client));
- return 0;
-}
-
-static const struct i2c_device_id bt856_id[] = {
- { "bt856", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, bt856_id);
-
-static struct v4l2_i2c_driver_data v4l2_i2c_data = {
- .name = "bt856",
- .driverid = I2C_DRIVERID_BT856,
- .command = bt856_command,
- .probe = bt856_probe,
- .remove = bt856_remove,
- .id_table = bt856_id,
-};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-24 05:50:10 +0000