MIPS: Remove support for LASAT

[sfrench/cifs-2.6.git] / arch / mips / lasat / picvue_proc.c

diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
deleted file mode 100644 (file)
index 61c0334..0000000
--- a/arch/mips/lasat/picvue_proc.c
+++ /dev/null
@@ -1,208 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Picvue PVC160206 display driver
- *
- * Brian Murphy <brian.murphy@eicon.com>
- *
- */
-#include <linux/bug.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/interrupt.h>
-
-#include <linux/timer.h>
-#include <linux/mutex.h>
-#include <linux/uaccess.h>
-
-#include "picvue.h"
-
-static DEFINE_MUTEX(pvc_mutex);
-static char pvc_lines[PVC_NLINES][PVC_LINELEN+1];
-static int pvc_linedata[PVC_NLINES];
-static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
-#define DISPLAY_DIR_NAME "display"
-static int scroll_dir, scroll_interval;
-
-static struct timer_list timer;
-
-static void pvc_display(unsigned long data)
-{
-       int i;
-
-       pvc_clear();
-       for (i = 0; i < PVC_NLINES; i++)
-               pvc_write_string(pvc_lines[i], 0, i);
-}
-
-static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
-
-static int pvc_line_proc_show(struct seq_file *m, void *v)
-{
-       int lineno = *(int *)m->private;
-
-       if (lineno < 0 || lineno >= PVC_NLINES) {
-               printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
-               return 0;
-       }
-
-       mutex_lock(&pvc_mutex);
-       seq_printf(m, "%s\n", pvc_lines[lineno]);
-       mutex_unlock(&pvc_mutex);
-
-       return 0;
-}
-
-static int pvc_line_proc_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, pvc_line_proc_show, PDE_DATA(inode));
-}
-
-static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
-                                  size_t count, loff_t *pos)
-{
-       int lineno = *(int *)PDE_DATA(file_inode(file));
-       char kbuf[PVC_LINELEN];
-       size_t len;
-
-       BUG_ON(lineno < 0 || lineno >= PVC_NLINES);
-
-       len = min(count, sizeof(kbuf) - 1);
-       if (copy_from_user(kbuf, buf, len))
-               return -EFAULT;
-       kbuf[len] = '\0';
-
-       if (len > 0 && kbuf[len - 1] == '\n')
-               len--;
-
-       mutex_lock(&pvc_mutex);
-       strncpy(pvc_lines[lineno], kbuf, len);
-       pvc_lines[lineno][len] = '\0';
-       mutex_unlock(&pvc_mutex);
-
-       tasklet_schedule(&pvc_display_tasklet);
-
-       return count;
-}
-
-static const struct proc_ops pvc_line_proc_ops = {
-       .proc_open      = pvc_line_proc_open,
-       .proc_read      = seq_read,
-       .proc_lseek     = seq_lseek,
-       .proc_release   = single_release,
-       .proc_write     = pvc_line_proc_write,
-};
-
-static ssize_t pvc_scroll_proc_write(struct file *file, const char __user *buf,
-                                    size_t count, loff_t *pos)
-{
-       char kbuf[42];
-       size_t len;
-       int cmd;
-
-       len = min(count, sizeof(kbuf) - 1);
-       if (copy_from_user(kbuf, buf, len))
-               return -EFAULT;
-       kbuf[len] = '\0';
-
-       cmd = simple_strtol(kbuf, NULL, 10);
-
-       mutex_lock(&pvc_mutex);
-       if (scroll_interval != 0)
-               del_timer(&timer);
-
-       if (cmd == 0) {
-               scroll_dir = 0;
-               scroll_interval = 0;
-       } else {
-               if (cmd < 0) {
-                       scroll_dir = -1;
-                       scroll_interval = -cmd;
-               } else {
-                       scroll_dir = 1;
-                       scroll_interval = cmd;
-               }
-               add_timer(&timer);
-       }
-       mutex_unlock(&pvc_mutex);
-
-       return count;
-}
-
-static int pvc_scroll_proc_show(struct seq_file *m, void *v)
-{
-       mutex_lock(&pvc_mutex);
-       seq_printf(m, "%d\n", scroll_dir * scroll_interval);
-       mutex_unlock(&pvc_mutex);
-
-       return 0;
-}
-
-static int pvc_scroll_proc_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, pvc_scroll_proc_show, NULL);
-}
-
-static const struct proc_ops pvc_scroll_proc_ops = {
-       .proc_open      = pvc_scroll_proc_open,
-       .proc_read      = seq_read,
-       .proc_lseek     = seq_lseek,
-       .proc_release   = single_release,
-       .proc_write     = pvc_scroll_proc_write,
-};
-
-void pvc_proc_timerfunc(struct timer_list *unused)
-{
-       if (scroll_dir < 0)
-               pvc_move(DISPLAY|RIGHT);
-       else if (scroll_dir > 0)
-               pvc_move(DISPLAY|LEFT);
-
-       timer.expires = jiffies + scroll_interval;
-       add_timer(&timer);
-}
-
-static void pvc_proc_cleanup(void)
-{
-       remove_proc_subtree(DISPLAY_DIR_NAME, NULL);
-       del_timer_sync(&timer);
-}
-
-static int __init pvc_proc_init(void)
-{
-       struct proc_dir_entry *dir, *proc_entry;
-       int i;
-
-       dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
-       if (dir == NULL)
-               goto error;
-
-       for (i = 0; i < PVC_NLINES; i++) {
-               strcpy(pvc_lines[i], "");
-               pvc_linedata[i] = i;
-       }
-       for (i = 0; i < PVC_NLINES; i++) {
-               proc_entry = proc_create_data(pvc_linename[i], 0644, dir,
-                                       &pvc_line_proc_ops, &pvc_linedata[i]);
-               if (proc_entry == NULL)
-                       goto error;
-       }
-       proc_entry = proc_create("scroll", 0644, dir, &pvc_scroll_proc_ops);
-       if (proc_entry == NULL)
-               goto error;
-
-       timer_setup(&timer, pvc_proc_timerfunc, 0);
-
-       return 0;
-error:
-       pvc_proc_cleanup();
-       return -ENOMEM;
-}
-
-module_init(pvc_proc_init);
-module_exit(pvc_proc_cleanup);
-MODULE_LICENSE("GPL");