diff options
Diffstat (limited to 'linux/drivers/media/video/cs53132a.c')
-rw-r--r-- | linux/drivers/media/video/cs53132a.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/linux/drivers/media/video/cs53132a.c b/linux/drivers/media/video/cs53132a.c deleted file mode 100644 index d090307af..000000000 --- a/linux/drivers/media/video/cs53132a.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - * cs53l32a (Adaptec AVC-2010 and AVC-2410) i2c ivtv driver. - * Copyright (C) 2005 Martin Vaughan - * - * Audio source switching for Adaptec AVC-2410 added by Trev Jackson - * - * 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 "compat.h" - -#include <linux/version.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/ioctl.h> -#include <asm/uaccess.h> -#include <linux/i2c.h> -#include <linux/videodev.h> -#include <media/audiochip.h> -#include <media/id.h> - -MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC"); -MODULE_AUTHOR("Martin Vaughan"); -MODULE_LICENSE("GPL"); - -static int debug = 0; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -module_param(debug, bool, 0644); -#else -MODULE_PARM(debug, "i"); -#endif - -MODULE_PARM_DESC(debug, "Debugging messages\n\t\t\t0=Off (default), 1=On"); - -#define cs53l32a_dbg(fmt, arg...) \ - do { \ - if (debug) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -#define cs53l32a_err(fmt, arg...) do { \ - printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) -#define cs53l32a_info(fmt, arg...) do { \ - printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) - -static unsigned short normal_i2c[] = { 0x22 >> 1, I2C_CLIENT_END }; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -#endif - -I2C_CLIENT_INSMOD; - -/* ----------------------------------------------------------------------- */ - -static int cs53l32a_write(struct i2c_client *client, u8 reg, u8 value) -{ - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int cs53l32a_read(struct i2c_client *client, u8 reg) -{ - return i2c_smbus_read_byte_data(client, reg); -} - -static int cs53l32a_command(struct i2c_client *client, unsigned int cmd, - void *arg) -{ - int *input = arg; - - switch (cmd) { - case AUDC_SET_INPUT: - switch (*input) { - case AUDIO_TUNER: - cs53l32a_write(client, 0x01, 0x01); - break; - case AUDIO_EXTERN: - cs53l32a_write(client, 0x01, 0x21); - break; - case AUDIO_MUTE: - cs53l32a_write(client, 0x03, 0xF0); - break; - case AUDIO_UNMUTE: - cs53l32a_write(client, 0x03, 0x30); - break; - default: - cs53l32a_err("Invalid input %d.\n", *input); - return -EINVAL; - } - break; - - case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl = arg; - - if (ctrl->id != V4L2_CID_AUDIO_VOLUME) - return -EINVAL; - if (ctrl->value > 12 || ctrl->value < -90) - return -EINVAL; - cs53l32a_write(client, 0x04, (u8) ctrl->value); - cs53l32a_write(client, 0x05, (u8) ctrl->value); - break; - } - - case VIDIOC_LOG_STATUS: - { - u8 v = cs53l32a_read(client, 0x01); - u8 m = cs53l32a_read(client, 0x03); - - cs53l32a_info("Input: %s%s\n", - v == 0x21 ? "external line in" : "tuner", - (m & 0xC0) ? " (muted)" : ""); - break; - } - - default: - return -EINVAL; - } - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ - -static struct i2c_driver i2c_driver; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind) -#else -static int cs53l32a_attach(struct i2c_adapter *adapter, int address, - unsigned short flags, int kind) -#endif -{ - struct i2c_client *client; - int i; - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) - return -ENOMEM; - - memset(client, 0, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver; - client->flags = I2C_CLIENT_ALLOW_USE; - snprintf(client->name, sizeof(client->name) - 1, "cs53l32a"); - - cs53l32a_info("chip found @ 0x%x (%s)\n", address << 1, adapter->name); - - for (i = 1; i <= 7; i++) { - u8 v = cs53l32a_read(client, i); - - cs53l32a_dbg("Read Reg %d %02x\n", i, v); - } - - /* Set cs53l32a internal register for Adaptec 2010/2410 setup */ - - cs53l32a_write(client, 0x01, (u8) 0x21); - cs53l32a_write(client, 0x02, (u8) 0x29); - cs53l32a_write(client, 0x03, (u8) 0x30); - cs53l32a_write(client, 0x04, (u8) 0x00); - cs53l32a_write(client, 0x05, (u8) 0x00); - cs53l32a_write(client, 0x06, (u8) 0x00); - cs53l32a_write(client, 0x07, (u8) 0x00); - - /* Display results, should be 0x21,0x29,0x30,0x00,0x00,0x00,0x00 */ - - for (i = 1; i <= 7; i++) { - u8 v = cs53l32a_read(client, i); - - cs53l32a_dbg("Read Reg %d %02x\n", i, v); - } - - i2c_attach_client(client); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - MOD_INC_USE_COUNT; -#endif - return 0; -} - -static int cs53l32a_probe(struct i2c_adapter *adapter) -{ - return i2c_probe(adapter, &addr_data, cs53l32a_attach); -} - -static int cs53l32a_detach(struct i2c_client *client) -{ - int err; - - err = i2c_detach_client(client); - if (err) { - return err; - } - kfree(client); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - MOD_DEC_USE_COUNT; -#endif - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ -static struct i2c_driver i2c_driver = { - .name = "cs53l32a", - .id = I2C_DRIVERID_CS53L32A, - .flags = I2C_DF_NOTIFY, - .attach_adapter = cs53l32a_probe, - .detach_client = cs53l32a_detach, - .command = cs53l32a_command, -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - .owner = THIS_MODULE, -#endif -}; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) -EXPORT_NO_SYMBOLS; -#endif - -static int __init cs53l32a_init_module(void) -{ - return i2c_add_driver(&i2c_driver); -} - -static void __exit cs53l32a_cleanup_module(void) -{ - i2c_del_driver(&i2c_driver); -} - -module_init(cs53l32a_init_module); -module_exit(cs53l32a_cleanup_module); |