1 files changed, 225 insertions, 0 deletions

diff --git a/drivers/media/video/zoran/zoran_procfs.c b/drivers/media/video/zoran/zoran_procfs.c
new file mode 100644
index 00000000000..870bc5a70e3
--- /dev/null
+++ b/drivers/media/video/zoran/zoran_procfs.c
@@ -0,0 +1,225 @@
+/*
+ * Zoran zr36057/zr36067 PCI controller driver, for the
+ * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
+ * Media Labs LML33/LML33R10.
+ *
+ * This part handles the procFS entries (/proc/ZORAN[%d])
+ *
+ * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
+ *
+ * Currently maintained by:
+ *   Ronald Bultje    <rbultje@ronald.bitfreak.net>
+ *   Laurent Pinchart <laurent.pinchart@skynet.be>
+ *   Mailinglist      <mjpeg-users@lists.sf.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/vmalloc.h>
+
+#include <linux/proc_fs.h>
+#include <linux/pci.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/videodev.h>
+#include <linux/spinlock.h>
+#include <linux/sem.h>
+#include <linux/seq_file.h>
+
+#include <linux/ctype.h>
+#include <linux/poll.h>
+#include <asm/io.h>
+
+#include "videocodec.h"
+#include "zoran.h"
+#include "zoran_procfs.h"
+#include "zoran_card.h"
+
+#ifdef CONFIG_PROC_FS
+struct procfs_params_zr36067 {
+        char *name;
+        short reg;
+        u32 mask;
+        short bit;
+};
+
+static const struct procfs_params_zr36067 zr67[] = {
+        {"HSPol", 0x000, 1, 30},
+        {"HStart", 0x000, 0x3ff, 10},
+        {"HEnd", 0x000, 0x3ff, 0},
+
+        {"VSPol", 0x004, 1, 30},
+        {"VStart", 0x004, 0x3ff, 10},
+        {"VEnd", 0x004, 0x3ff, 0},
+
+        {"ExtFl", 0x008, 1, 26},
+        {"TopField", 0x008, 1, 25},
+        {"VCLKPol", 0x008, 1, 24},
+        {"DupFld", 0x008, 1, 20},
+        {"LittleEndian", 0x008, 1, 0},
+
+        {"HsyncStart", 0x10c, 0xffff, 16},
+        {"LineTot", 0x10c, 0xffff, 0},
+
+        {"NAX", 0x110, 0xffff, 16},
+        {"PAX", 0x110, 0xffff, 0},
+
+        {"NAY", 0x114, 0xffff, 16},
+        {"PAY", 0x114, 0xffff, 0},
+
+        /* {"",,,}, */
+
+        {NULL, 0, 0, 0},
+};
+
+static void
+setparam (struct zoran *zr,
+          char         *name,
+          char         *sval)
+{
+        int i = 0, reg0, reg, val;
+
+        while (zr67[i].name != NULL) {
+                if (!strncmp(name, zr67[i].name, strlen(zr67[i].name))) {
+                        reg = reg0 = btread(zr67[i].reg);
+                        reg &= ~(zr67[i].mask << zr67[i].bit);
+                        if (!isdigit(sval[0]))
+                                break;
+                        val = simple_strtoul(sval, NULL, 0);
+                        if ((val & ~zr67[i].mask))
+                                break;
+                        reg |= (val & zr67[i].mask) << zr67[i].bit;
+                        dprintk(4,
+                                KERN_INFO
+                                "%s: setparam: setting ZR36067 register 0x%03x: 0x%08x=>0x%08x %s=%d\n",
+                                ZR_DEVNAME(zr), zr67[i].reg, reg0, reg,
+                                zr67[i].name, val);
+                        btwrite(reg, zr67[i].reg);
+                        break;
+                }
+                i++;
+        }
+}
+
+static int zoran_show(struct seq_file *p, void *v)
+{
+        struct zoran *zr = p->private;
+        int i;
+
+        seq_printf(p, "ZR36067 registers:\n");
+        for (i = 0; i < 0x130; i += 16)
+                seq_printf(p, "%03X %08X  %08X  %08X  %08X \n", i,
+                           btread(i), btread(i+4), btread(i+8), btread(i+12));
+        return 0;
+}
+
+static int zoran_open(struct inode *inode, struct file *file)
+{
+        struct zoran *data = PDE(inode)->data;
+        return single_open(file, zoran_show, data);
+}
+
+static ssize_t zoran_write(struct file *file, const char __user *buffer,
+                        size_t count, loff_t *ppos)
+{
+        struct zoran *zr = PDE(file->f_path.dentry->d_inode)->data;
+        char *string, *sp;
+        char *line, *ldelim, *varname, *svar, *tdelim;
+
+        if (count > 32768)      /* Stupidity filter */
+                return -EINVAL;
+
+        string = sp = vmalloc(count + 1);
+        if (!string) {
+                dprintk(1,
+                        KERN_ERR
+                        "%s: write_proc: can not allocate memory\n",
+                        ZR_DEVNAME(zr));
+                return -ENOMEM;
+        }
+        if (copy_from_user(string, buffer, count)) {
+                vfree (string);
+                return -EFAULT;
+        }
+        string[count] = 0;
+        dprintk(4, KERN_INFO "%s: write_proc: name=%s count=%zu zr=%p\n",
+                ZR_DEVNAME(zr), file->f_path.dentry->d_name.name, count, zr);
+        ldelim = " \t\n";
+        tdelim = "=";
+        line = strpbrk(sp, ldelim);
+        while (line) {
+                *line = 0;
+                svar = strpbrk(sp, tdelim);
+                if (svar) {
+                        *svar = 0;
+                        varname = sp;
+                        svar++;
+                        setparam(zr, varname, svar);
+                }
+                sp = line + 1;
+                line = strpbrk(sp, ldelim);
+        }
+        vfree(string);
+
+        return count;
+}
+
+static const struct file_operations zoran_operations = {
+        .owner          = THIS_MODULE,
+        .open           = zoran_open,
+        .read           = seq_read,
+        .write          = zoran_write,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+#endif
+
+int
+zoran_proc_init (struct zoran *zr)
+{
+#ifdef CONFIG_PROC_FS
+        char name[8];
+
+        snprintf(name, 7, "zoran%d", zr->id);
+        zr->zoran_proc = proc_create_data(name, 0, NULL, &zoran_operations, zr);
+        if (zr->zoran_proc != NULL) {
+                dprintk(2,
+                        KERN_INFO
+                        "%s: procfs entry /proc/%s allocated. data=%p\n",
+                        ZR_DEVNAME(zr), name, zr->zoran_proc->data);
+        } else {
+                dprintk(1, KERN_ERR "%s: Unable to initialise /proc/%s\n",
+                        ZR_DEVNAME(zr), name);
+                return 1;
+        }
+#endif
+        return 0;
+}
+
+void
+zoran_proc_cleanup (struct zoran *zr)
+{
+#ifdef CONFIG_PROC_FS
+        char name[8];
+
+        snprintf(name, 7, "zoran%d", zr->id);
+        if (zr->zoran_proc)
+                remove_proc_entry(name, NULL);
+        zr->zoran_proc = NULL;
+#endif
+}