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-rw-r--r--drivers/media/radio/miropcm20-rds.c136
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
22static char * text_buffer;
23static int rds_users;
24
25
26static 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
44static int rds_f_release(struct inode *in, struct file *fi)
45{
46 kfree(text_buffer);
47
48 rds_users--;
49 return 0;
50}
51
52static 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
61static 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
111static 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
118static struct miscdevice rds_miscdev = {
119 .minor = MISC_DYNAMIC_MINOR,
120 .name = "radiotext",
121 .fops = &rds_fops,
122};
123
124static int __init miropcm20_rds_init(void)
125{
126 return misc_register(&rds_miscdev);
127}
128
129static void __exit miropcm20_rds_cleanup(void)
130{
131 misc_deregister(&rds_miscdev);
132}
133
134module_init(miropcm20_rds_init);
135module_exit(miropcm20_rds_cleanup);
136MODULE_LICENSE("GPL");