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 3e840f74d45c..000000000000 --- a/drivers/media/radio/miropcm20-rds.c +++ /dev/null | |||
| @@ -1,136 +0,0 @@ | |||
| 1 | /* MiroSOUND PCM20 radio rds interface driver | ||
| 2 | * (c) 2001 Robert Siemer <Robert.Siemer@gmx.de> | ||
| 3 | * Thanks to Fred Seidel. See miropcm20-rds-core.c for further information. | ||
| 4 | */ | ||
| 5 | |||
| 6 | /* Revision history: | ||
| 7 | * | ||
| 8 | * 2001-04-18 Robert Siemer <Robert.Siemer@gmx.de> | ||
| 9 | * separate file for user interface driver | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include <linux/module.h> | ||
| 13 | #include <linux/init.h> | ||
| 14 | #include <linux/slab.h> | ||
| 15 | #include <linux/smp_lock.h> | ||
| 16 | #include <linux/fs.h> | ||
| 17 | #include <linux/miscdevice.h> | ||
| 18 | #include <linux/delay.h> | ||
| 19 | #include <asm/uaccess.h> | ||
| 20 | #include "miropcm20-rds-core.h" | ||
| 21 | |||
| 22 | static char * text_buffer; | ||
| 23 | static int rds_users; | ||
| 24 | |||
| 25 | |||
| 26 | static int rds_f_open(struct inode *in, struct file *fi) | ||
| 27 | { | ||
| 28 | if (rds_users) | ||
| 29 | return -EBUSY; | ||
| 30 | |||
| 31 | lock_kernel(); | ||
| 32 | rds_users++; | ||
| 33 | if ((text_buffer=kmalloc(66, GFP_KERNEL)) == 0) { | ||
| 34 | rds_users--; | ||
| 35 | printk(KERN_NOTICE "aci-rds: Out of memory by open()...\n"); | ||
| 36 | unlock_kernel(); | ||
| 37 | return -ENOMEM; | ||
| 38 | } | ||
| 39 | |||
| 40 | unlock_kernel(); | ||
| 41 | return 0; | ||
| 42 | } | ||
| 43 | |||
| 44 | static int rds_f_release(struct inode *in, struct file *fi) | ||
| 45 | { | ||
| 46 | kfree(text_buffer); | ||
| 47 | |||
| 48 | rds_users--; | ||
| 49 | return 0; | ||
| 50 | } | ||
| 51 | |||
| 52 | static void print_matrix(char *ch, char out[]) | ||
| 53 | { | ||
| 54 | int j; | ||
| 55 | |||
| 56 | for (j=7; j>=0; j--) { | ||
| 57 | out[7-j] = ((*ch >> j) & 0x1) + '0'; | ||
| 58 | } | ||
| 59 | } | ||
| 60 | |||
| 61 | static ssize_t rds_f_read(struct file *file, char __user *buffer, size_t length, loff_t *offset) | ||
| 62 | { | ||
| 63 | // i = sprintf(text_buffer, "length: %d, offset: %d\n", length, *offset); | ||
| 64 | |||
| 65 | char c; | ||
| 66 | char bits[8]; | ||
| 67 | |||
| 68 | msleep(2000); | ||
| 69 | aci_rds_cmd(RDS_STATUS, &c, 1); | ||
| 70 | print_matrix(&c, bits); | ||
| 71 | if (copy_to_user(buffer, bits, 8)) | ||
| 72 | return -EFAULT; | ||
| 73 | |||
| 74 | /* if ((c >> 3) & 1) { | ||
| 75 | aci_rds_cmd(RDS_STATIONNAME, text_buffer+1, 8); | ||
| 76 | text_buffer[0] = ' ' ; | ||
| 77 | text_buffer[9] = '\n'; | ||
| 78 | return copy_to_user(buffer+8, text_buffer, 10) ? -EFAULT: 18; | ||
| 79 | } | ||
| 80 | */ | ||
| 81 | /* if ((c >> 6) & 1) { | ||
| 82 | aci_rds_cmd(RDS_PTYTATP, &c, 1); | ||
| 83 | if ( c & 1) | ||
| 84 | sprintf(text_buffer, " M"); | ||
| 85 | else | ||
| 86 | sprintf(text_buffer, " S"); | ||
| 87 | if ((c >> 1) & 1) | ||
| 88 | sprintf(text_buffer+2, " TA"); | ||
| 89 | else | ||
| 90 | sprintf(text_buffer+2, " --"); | ||
| 91 | if ((c >> 7) & 1) | ||
| 92 | sprintf(text_buffer+5, " TP"); | ||
| 93 | else | ||
| 94 | sprintf(text_buffer+5, " --"); | ||
| 95 | sprintf(text_buffer+8, " %2d\n", (c >> 2) & 0x1f); | ||
| 96 | return copy_to_user(buffer+8, text_buffer, 12) ? -EFAULT: 20; | ||
| 97 | } | ||
| 98 | */ | ||
| 99 | |||
| 100 | if ((c >> 4) & 1) { | ||
| 101 | aci_rds_cmd(RDS_TEXT, text_buffer, 65); | ||
| 102 | text_buffer[0] = ' ' ; | ||
| 103 | text_buffer[65] = '\n'; | ||
| 104 | return copy_to_user(buffer+8, text_buffer,66) ? -EFAULT : 66+8; | ||
| 105 | } else { | ||
| 106 | put_user('\n', buffer+8); | ||
| 107 | return 9; | ||
| 108 | } | ||
| 109 | } | ||
| 110 | |||
| 111 | static const struct file_operations rds_fops = { | ||
| 112 | .owner = THIS_MODULE, | ||
| 113 | .read = rds_f_read, | ||
| 114 | .open = rds_f_open, | ||
| 115 | .release = rds_f_release | ||
| 116 | }; | ||
| 117 | |||
| 118 | static struct miscdevice rds_miscdev = { | ||
| 119 | .minor = MISC_DYNAMIC_MINOR, | ||
| 120 | .name = "radiotext", | ||
| 121 | .fops = &rds_fops, | ||
| 122 | }; | ||
| 123 | |||
| 124 | static int __init miropcm20_rds_init(void) | ||
| 125 | { | ||
| 126 | return misc_register(&rds_miscdev); | ||
| 127 | } | ||
| 128 | |||
| 129 | static void __exit miropcm20_rds_cleanup(void) | ||
| 130 | { | ||
| 131 | misc_deregister(&rds_miscdev); | ||
| 132 | } | ||
| 133 | |||
| 134 | module_init(miropcm20_rds_init); | ||
| 135 | module_exit(miropcm20_rds_cleanup); | ||
| 136 | MODULE_LICENSE("GPL"); | ||
