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@@ -664,3 +664,124 @@ static int omap_mux_dbg_signal_show(struct seq_file *s, void *unused)
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m->muxnames[0] ? m->muxnames[0] : none,
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m->muxnames[1] ? m->muxnames[1] : none,
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m->muxnames[2] ? m->muxnames[2] : none,
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+ m->muxnames[3] ? m->muxnames[3] : none,
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+ m->muxnames[4] ? m->muxnames[4] : none,
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+ m->muxnames[5] ? m->muxnames[5] : none,
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+ m->muxnames[6] ? m->muxnames[6] : none,
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+ m->muxnames[7] ? m->muxnames[7] : none);
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+
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+ return 0;
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+}
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+
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+#define OMAP_MUX_MAX_ARG_CHAR 7
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+
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+static ssize_t omap_mux_dbg_signal_write(struct file *file,
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+ const char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ char buf[OMAP_MUX_MAX_ARG_CHAR];
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+ struct seq_file *seqf;
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+ struct omap_mux *m;
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+ unsigned long val;
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+ int buf_size, ret;
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+ struct omap_mux_partition *partition;
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+
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+ if (count > OMAP_MUX_MAX_ARG_CHAR)
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+ return -EINVAL;
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+
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+ memset(buf, 0, sizeof(buf));
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+ buf_size = min(count, sizeof(buf) - 1);
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+
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+ if (copy_from_user(buf, user_buf, buf_size))
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+ return -EFAULT;
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+
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+ ret = strict_strtoul(buf, 0x10, &val);
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+ if (ret < 0)
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+ return ret;
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+
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+ if (val > 0xffff)
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+ return -EINVAL;
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+
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+ seqf = file->private_data;
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+ m = seqf->private;
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+
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+ partition = omap_mux_get_partition(m);
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+ if (!partition)
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+ return -ENODEV;
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+
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+ omap_mux_write(partition, (u16)val, m->reg_offset);
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+ *ppos += count;
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+
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+ return count;
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+}
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+
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+static int omap_mux_dbg_signal_open(struct inode *inode, struct file *file)
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+{
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+ return single_open(file, omap_mux_dbg_signal_show, inode->i_private);
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+}
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+
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+static const struct file_operations omap_mux_dbg_signal_fops = {
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+ .open = omap_mux_dbg_signal_open,
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+ .read = seq_read,
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+ .write = omap_mux_dbg_signal_write,
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+ .llseek = seq_lseek,
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+ .release = single_release,
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+};
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+
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+static struct dentry *mux_dbg_dir;
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+
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+static void __init omap_mux_dbg_create_entry(
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+ struct omap_mux_partition *partition,
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+ struct dentry *mux_dbg_dir)
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+{
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+ struct omap_mux_entry *e;
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+
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+ list_for_each_entry(e, &partition->muxmodes, node) {
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+ struct omap_mux *m = &e->mux;
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+
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+ (void)debugfs_create_file(m->muxnames[0], S_IWUSR, mux_dbg_dir,
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+ m, &omap_mux_dbg_signal_fops);
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+ }
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+}
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+
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+static void __init omap_mux_dbg_init(void)
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+{
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+ struct omap_mux_partition *partition;
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+ static struct dentry *mux_dbg_board_dir;
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+
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+ mux_dbg_dir = debugfs_create_dir("omap_mux", NULL);
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+ if (!mux_dbg_dir)
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+ return;
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+
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+ mux_dbg_board_dir = debugfs_create_dir("board", mux_dbg_dir);
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+ if (!mux_dbg_board_dir)
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+ return;
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+
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+ list_for_each_entry(partition, &mux_partitions, node) {
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+ omap_mux_dbg_create_entry(partition, mux_dbg_dir);
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+ (void)debugfs_create_file(partition->name, S_IRUGO,
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+ mux_dbg_board_dir, partition,
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+ &omap_mux_dbg_board_fops);
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+ }
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+}
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+
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+#else
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+static inline void omap_mux_dbg_init(void)
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+{
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+}
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+#endif /* CONFIG_DEBUG_FS */
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+
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+static void __init omap_mux_free_names(struct omap_mux *m)
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+{
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+ int i;
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+
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+ for (i = 0; i < OMAP_MUX_NR_MODES; i++)
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+ kfree(m->muxnames[i]);
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+
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+#ifdef CONFIG_DEBUG_FS
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+ for (i = 0; i < OMAP_MUX_NR_SIDES; i++)
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+ kfree(m->balls[i]);
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+#endif
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+
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+}
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+
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