diff options
Diffstat (limited to 'drivers/media/radio/miropcm20-rds.c')
| -rw-r--r-- | drivers/media/radio/miropcm20-rds.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/drivers/media/radio/miropcm20-rds.c b/drivers/media/radio/miropcm20-rds.c deleted file mode 100644 index 3e840f7..0000000 --- a/drivers/media/radio/miropcm20-rds.c +++ /dev/null @@ -1,136 +0,0 @@ -/* MiroSOUND PCM20 radio rds interface driver - * (c) 2001 Robert Siemer <Robert.Siemer@gmx.de> - * Thanks to Fred Seidel. See miropcm20-rds-core.c for further information. - */ - -/* Revision history: - * - * 2001-04-18 Robert Siemer <Robert.Siemer@gmx.de> - * separate file for user interface driver - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/smp_lock.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <linux/delay.h> -#include <asm/uaccess.h> -#include "miropcm20-rds-core.h" - -static char * text_buffer; -static int rds_users; - - -static int rds_f_open(struct inode *in, struct file *fi) -{ - if (rds_users) - return -EBUSY; - - lock_kernel(); - rds_users++; - if ((text_buffer=kmalloc(66, GFP_KERNEL)) == 0) { - rds_users--; - printk(KERN_NOTICE "aci-rds: Out of memory by open()...\n"); - unlock_kernel(); - return -ENOMEM; - } - - unlock_kernel(); - return 0; -} - -static int rds_f_release(struct inode *in, struct file *fi) -{ - kfree(text_buffer); - - rds_users--; - return 0; -} - -static void print_matrix(char *ch, char out[]) -{ - int j; - - for (j=7; j>=0; j--) { - out[7-j] = ((*ch >> j) & 0x1) + '0'; - } -} - -static ssize_t rds_f_read(struct file *file, char __user *buffer, size_t length, loff_t *offset) -{ -// i = sprintf(text_buffer, "length: %d, offset: %d\n", length, *offset); - - char c; - char bits[8]; - - msleep(2000); - aci_rds_cmd(RDS_STATUS, &c, 1); - print_matrix(&c, bits); - if (copy_to_user(buffer, bits, 8)) - return -EFAULT; - -/* if ((c >> 3) & 1) { - aci_rds_cmd(RDS_STATIONNAME, text_buffer+1, 8); - text_buffer[0] = ' ' ; - text_buffer[9] = '\n'; - return copy_to_user(buffer+8, text_buffer, 10) ? -EFAULT: 18; - } -*/ -/* if ((c >> 6) & 1) { - aci_rds_cmd(RDS_PTYTATP, &c, 1); - if ( c & 1) - sprintf(text_buffer, " M"); - else - sprintf(text_buffer, " S"); - if ((c >> 1) & 1) - sprintf(text_buffer+2, " TA"); - else - sprintf(text_buffer+2, " --"); - if ((c >> 7) & 1) - sprintf(text_buffer+5, " TP"); - else - sprintf(text_buffer+5, " --"); - sprintf(text_buffer+8, " %2d\n", (c >> 2) & 0x1f); - return copy_to_user(buffer+8, text_buffer, 12) ? -EFAULT: 20; - } -*/ - - if ((c >> 4) & 1) { - aci_rds_cmd(RDS_TEXT, text_buffer, 65); - text_buffer[0] = ' ' ; - text_buffer[65] = '\n'; - return copy_to_user(buffer+8, text_buffer,66) ? -EFAULT : 66+8; - } else { - put_user('\n', buffer+8); - return 9; - } -} - -static const struct file_operations rds_fops = { - .owner = THIS_MODULE, - .read = rds_f_read, - .open = rds_f_open, - .release = rds_f_release -}; - -static struct miscdevice rds_miscdev = { - .minor = MISC_DYNAMIC_MINOR, - .name = "radiotext", - .fops = &rds_fops, -}; - -static int __init miropcm20_rds_init(void) -{ - return misc_register(&rds_miscdev); -} - -static void __exit miropcm20_rds_cleanup(void) -{ - misc_deregister(&rds_miscdev); -} - -module_init(miropcm20_rds_init); -module_exit(miropcm20_rds_cleanup); -MODULE_LICENSE("GPL"); |