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-rw-r--r--arch/mips/lasat/picvue_proc.c186
1 files changed, 0 insertions, 186 deletions
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
deleted file mode 100644
index cce7cddcdb08..000000000000
--- a/arch/mips/lasat/picvue_proc.c
+++ /dev/null
@@ -1,186 +0,0 @@
1/*
2 * Picvue PVC160206 display driver
3 *
4 * Brian Murphy <brian.murphy@eicon.com>
5 *
6 */
7#include <linux/kernel.h>
8#include <linux/module.h>
9#include <linux/init.h>
10#include <linux/errno.h>
11
12#include <linux/proc_fs.h>
13#include <linux/interrupt.h>
14
15#include <linux/timer.h>
16
17#include "picvue.h"
18
19static char pvc_lines[PVC_NLINES][PVC_LINELEN+1];
20static int pvc_linedata[PVC_NLINES];
21static struct proc_dir_entry *pvc_display_dir;
22static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
23#define DISPLAY_DIR_NAME "display"
24static int scroll_dir = 0, scroll_interval = 0;
25
26static struct timer_list timer;
27
28static void pvc_display(unsigned long data) {
29 int i;
30
31 pvc_clear();
32 for (i=0; i<PVC_NLINES; i++)
33 pvc_write_string(pvc_lines[i], 0, i);
34}
35
36static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
37
38static int pvc_proc_read_line(char *page, char **start,
39 off_t off, int count,
40 int *eof, void *data)
41{
42 char *origpage = page;
43 int lineno = *(int *)data;
44
45 if (lineno < 0 || lineno > PVC_NLINES) {
46 printk("proc_read_line: invalid lineno %d\n", lineno);
47 return 0;
48 }
49
50 down(&pvc_sem);
51 page += sprintf(page, "%s\n", pvc_lines[lineno]);
52 up(&pvc_sem);
53
54 return page - origpage;
55}
56
57static int pvc_proc_write_line(struct file *file, const char *buffer,
58 unsigned long count, void *data)
59{
60 int origcount = count;
61 int lineno = *(int *)data;
62
63 if (lineno < 0 || lineno > PVC_NLINES) {
64 printk("proc_write_line: invalid lineno %d\n", lineno);
65 return origcount;
66 }
67
68 if (count > PVC_LINELEN)
69 count = PVC_LINELEN;
70
71 if (buffer[count-1] == '\n')
72 count--;
73
74 down(&pvc_sem);
75 strncpy(pvc_lines[lineno], buffer, count);
76 pvc_lines[lineno][count] = '\0';
77 up(&pvc_sem);
78
79 tasklet_schedule(&pvc_display_tasklet);
80
81 return origcount;
82}
83
84static int pvc_proc_write_scroll(struct file *file, const char *buffer,
85 unsigned long count, void *data)
86{
87 int origcount = count;
88 int cmd = simple_strtol(buffer, NULL, 10);
89
90 down(&pvc_sem);
91 if (scroll_interval != 0)
92 del_timer(&timer);
93
94 if (cmd == 0) {
95 scroll_dir = 0;
96 scroll_interval = 0;
97 } else {
98 if (cmd < 0) {
99 scroll_dir = -1;
100 scroll_interval = -cmd;
101 } else {
102 scroll_dir = 1;
103 scroll_interval = cmd;
104 }
105 add_timer(&timer);
106 }
107 up(&pvc_sem);
108
109 return origcount;
110}
111
112static int pvc_proc_read_scroll(char *page, char **start,
113 off_t off, int count,
114 int *eof, void *data)
115{
116 char *origpage = page;
117
118 down(&pvc_sem);
119 page += sprintf(page, "%d\n", scroll_dir * scroll_interval);
120 up(&pvc_sem);
121
122 return page - origpage;
123}
124
125
126void pvc_proc_timerfunc(unsigned long data)
127{
128 if (scroll_dir < 0)
129 pvc_move(DISPLAY|RIGHT);
130 else if (scroll_dir > 0)
131 pvc_move(DISPLAY|LEFT);
132
133 timer.expires = jiffies + scroll_interval;
134 add_timer(&timer);
135}
136
137static void pvc_proc_cleanup(void)
138{
139 int i;
140 for (i=0; i<PVC_NLINES; i++)
141 remove_proc_entry(pvc_linename[i], pvc_display_dir);
142 remove_proc_entry("scroll", pvc_display_dir);
143 remove_proc_entry(DISPLAY_DIR_NAME, NULL);
144
145 del_timer(&timer);
146}
147
148static int __init pvc_proc_init(void)
149{
150 struct proc_dir_entry *proc_entry;
151 int i;
152
153 pvc_display_dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
154 if (pvc_display_dir == NULL)
155 goto error;
156
157 for (i=0; i<PVC_NLINES; i++) {
158 strcpy(pvc_lines[i], "");
159 pvc_linedata[i] = i;
160 }
161 for (i=0; i<PVC_NLINES; i++) {
162 proc_entry = create_proc_entry(pvc_linename[i], 0644, pvc_display_dir);
163 if (proc_entry == NULL)
164 goto error;
165 proc_entry->read_proc = pvc_proc_read_line;
166 proc_entry->write_proc = pvc_proc_write_line;
167 proc_entry->data = &pvc_linedata[i];
168 }
169 proc_entry = create_proc_entry("scroll", 0644, pvc_display_dir);
170 if (proc_entry == NULL)
171 goto error;
172 proc_entry->write_proc = pvc_proc_write_scroll;
173 proc_entry->read_proc = pvc_proc_read_scroll;
174
175 init_timer(&timer);
176 timer.function = pvc_proc_timerfunc;
177
178 return 0;
179error:
180 pvc_proc_cleanup();
181 return -ENOMEM;
182}
183
184module_init(pvc_proc_init);
185module_exit(pvc_proc_cleanup);
186MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-11 10:47:57 -0500