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Diffstat (limited to 'drivers/media/video/bt856.c')
-rw-r--r--drivers/media/video/bt856.c423
1 files changed, 0 insertions, 423 deletions
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
deleted file mode 100644
index 98ee2d8feb3..00000000000
--- a/drivers/media/video/bt856.c
+++ /dev/null
@@ -1,423 +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/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
-#include <linux/types.h>
-#include <linux/i2c.h>
-#include <linux/video_encoder.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/uaccess.h>
-
-#include <linux/videodev.h>
-
-MODULE_DESCRIPTION("Brooktree-856A video encoder driver");
-MODULE_AUTHOR("Mike Bernson & Dave Perks");
-MODULE_LICENSE("GPL");
-
-
-#define I2C_NAME(s) (s)->name
-
-
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-#define dprintk(num, format, args...) \
- do { \
- if (debug >= num) \
- printk(format, ##args); \
- } while (0)
-
-/* ----------------------------------------------------------------------- */
-
-#define REG_OFFSET 0xDA
-#define BT856_NR_REG 6
-
-struct bt856 {
- unsigned char reg[BT856_NR_REG];
-
- int norm;
- int enable;
-};
-
-#define I2C_BT856 0x88
-
-/* ----------------------------------------------------------------------- */
-
-static inline int
-bt856_write (struct i2c_client *client,
- u8 reg,
- u8 value)
-{
- struct bt856 *encoder = i2c_get_clientdata(client);
-
- encoder->reg[reg - 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 - 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);
-
- printk(KERN_INFO "%s: register dump:", I2C_NAME(client));
- for (i = 0; i < BT856_NR_REG; i += 2)
- printk(" %02x", encoder->reg[i]);
- printk("\n");
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int
-bt856_command (struct i2c_client *client,
- unsigned int cmd,
- void *arg)
-{
- struct bt856 *encoder = i2c_get_clientdata(client);
-
- switch (cmd) {
-
- case 0:
- /* This is just for testing!!! */
- dprintk(1, KERN_INFO "bt856: 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;
-
- dprintk(1, KERN_INFO "%s: get capabilities\n",
- I2C_NAME(client));
-
- 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;
-
- dprintk(1, KERN_INFO "%s: set norm %d\n", I2C_NAME(client),
- *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;
-
- dprintk(1, KERN_INFO "%s: set input %d\n", I2C_NAME(client),
- *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;
-
- dprintk(1, KERN_INFO "%s: set output %d\n", I2C_NAME(client),
- *iarg);
-
- /* not much choice of outputs */
- if (*iarg != 0) {
- return -EINVAL;
- }
- }
- break;
-
- case ENCODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
-
- encoder->enable = !!*iarg;
-
- dprintk(1, KERN_INFO "%s: enable output %d\n",
- I2C_NAME(client), encoder->enable);
- }
- break;
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = { I2C_BT856 >> 1, I2C_CLIENT_END };
-
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = &ignore,
- .ignore = &ignore,
-};
-
-static struct i2c_driver i2c_driver_bt856;
-
-static int
-bt856_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
-{
- int i;
- struct i2c_client *client;
- struct bt856 *encoder;
-
- dprintk(1,
- KERN_INFO
- "bt856.c: detecting bt856 client on address 0x%x\n",
- address << 1);
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_bt856;
- strlcpy(I2C_NAME(client), "bt856", sizeof(I2C_NAME(client)));
-
- encoder = kzalloc(sizeof(struct bt856), GFP_KERNEL);
- if (encoder == NULL) {
- kfree(client);
- return -ENOMEM;
- }
- encoder->norm = VIDEO_MODE_NTSC;
- encoder->enable = 1;
- i2c_set_clientdata(client, encoder);
-
- i = i2c_attach_client(client);
- if (i) {
- kfree(client);
- kfree(encoder);
- return i;
- }
-
- 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);
-
- dprintk(1, KERN_INFO "%s_attach: at address 0x%x\n", I2C_NAME(client),
- client->addr << 1);
-
- return 0;
-}
-
-static int
-bt856_attach_adapter (struct i2c_adapter *adapter)
-{
- dprintk(1,
- KERN_INFO
- "bt856.c: starting probe for adapter %s (0x%x)\n",
- I2C_NAME(adapter), adapter->id);
- return i2c_probe(adapter, &addr_data, &bt856_detect_client);
-}
-
-static int
-bt856_detach_client (struct i2c_client *client)
-{
- struct bt856 *encoder = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(encoder);
- kfree(client);
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_driver i2c_driver_bt856 = {
- .driver = {
- .name = "bt856",
- },
-
- .id = I2C_DRIVERID_BT856,
-
- .attach_adapter = bt856_attach_adapter,
- .detach_client = bt856_detach_client,
- .command = bt856_command,
-};
-
-static int __init
-bt856_init (void)
-{
- return i2c_add_driver(&i2c_driver_bt856);
-}
-
-static void __exit
-bt856_exit (void)
-{
- i2c_del_driver(&i2c_driver_bt856);
-}
-
-module_init(bt856_init);
-module_exit(bt856_exit);
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