[media] move parallel port/isa video drivers to drivers/media/parport/

We should keep just the I2C drivers under drivers/media/video, and
then rename it to drivers/media/i2c.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1152 insertions, 0 deletions

diff --git a/drivers/media/parport/pms.c b/drivers/media/parport/pms.c
new file mode 100644
index 00000000000..77f9c92186f
--- /dev/null
+++ b/drivers/media/parport/pms.c
@@ -0,0 +1,1152 @@
+/*
+ *      Media Vision Pro Movie Studio
+ *                      or
+ *      "all you need is an I2C bus some RAM and a prayer"
+ *
+ *      This draws heavily on code
+ *
+ *      (c) Wolfgang Koehler,  wolf@first.gmd.de, Dec. 1994
+ *      Kiefernring 15
+ *      14478 Potsdam, Germany
+ *
+ *      Most of this code is directly derived from his userspace driver.
+ *      His driver works so send any reports to alan@lxorguk.ukuu.org.uk
+ *      unless the userspace driver also doesn't work for you...
+ *
+ *      Changes:
+ *      25-11-2009      Hans Verkuil <hverkuil@xs4all.nl>
+ *                      - converted to version 2 of the V4L API.
+ *      08/07/2003      Daniele Bellucci <bellucda@tiscali.it>
+ *                      - pms_capture: report back -EFAULT
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+#include <linux/isa.h>
+#include <asm/io.h>
+
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-fh.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-device.h>
+
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.0.5");
+
+#define MOTOROLA        1
+#define PHILIPS2        2               /* SAA7191 */
+#define PHILIPS1        3
+#define MVVMEMORYWIDTH  0x40            /* 512 bytes */
+
+struct i2c_info {
+        u8 slave;
+        u8 sub;
+        u8 data;
+        u8 hits;
+};
+
+struct pms {
+        struct v4l2_device v4l2_dev;
+        struct video_device vdev;
+        struct v4l2_ctrl_handler hdl;
+        int height;
+        int width;
+        int depth;
+        int input;
+        struct mutex lock;
+        int i2c_count;
+        struct i2c_info i2cinfo[64];
+
+        int decoder;
+        int standard;   /* 0 - auto 1 - ntsc 2 - pal 3 - secam */
+        v4l2_std_id std;
+        int io;
+        int data;
+        void __iomem *mem;
+};
+
+/*
+ *      I/O ports and Shared Memory
+ */
+
+static int io_port = 0x250;
+module_param(io_port, int, 0);
+
+static int mem_base = 0xc8000;
+module_param(mem_base, int, 0);
+
+static int video_nr = -1;
+module_param(video_nr, int, 0);
+
+
+static inline void mvv_write(struct pms *dev, u8 index, u8 value)
+{
+        outw(index | (value << 8), dev->io);
+}
+
+static inline u8 mvv_read(struct pms *dev, u8 index)
+{
+        outb(index, dev->io);
+        return inb(dev->data);
+}
+
+static int pms_i2c_stat(struct pms *dev, u8 slave)
+{
+        int counter = 0;
+        int i;
+
+        outb(0x28, dev->io);
+
+        while ((inb(dev->data) & 0x01) == 0)
+                if (counter++ == 256)
+                        break;
+
+        while ((inb(dev->data) & 0x01) != 0)
+                if (counter++ == 256)
+                        break;
+
+        outb(slave, dev->io);
+
+        counter = 0;
+        while ((inb(dev->data) & 0x01) == 0)
+                if (counter++ == 256)
+                        break;
+
+        while ((inb(dev->data) & 0x01) != 0)
+                if (counter++ == 256)
+                        break;
+
+        for (i = 0; i < 12; i++) {
+                char st = inb(dev->data);
+
+                if ((st & 2) != 0)
+                        return -1;
+                if ((st & 1) == 0)
+                        break;
+        }
+        outb(0x29, dev->io);
+        return inb(dev->data);
+}
+
+static int pms_i2c_write(struct pms *dev, u16 slave, u16 sub, u16 data)
+{
+        int skip = 0;
+        int count;
+        int i;
+
+        for (i = 0; i < dev->i2c_count; i++) {
+                if ((dev->i2cinfo[i].slave == slave) &&
+                    (dev->i2cinfo[i].sub == sub)) {
+                        if (dev->i2cinfo[i].data == data)
+                                skip = 1;
+                        dev->i2cinfo[i].data = data;
+                        i = dev->i2c_count + 1;
+                }
+        }
+
+        if (i == dev->i2c_count && dev->i2c_count < 64) {
+                dev->i2cinfo[dev->i2c_count].slave = slave;
+                dev->i2cinfo[dev->i2c_count].sub = sub;
+                dev->i2cinfo[dev->i2c_count].data = data;
+                dev->i2c_count++;
+        }
+
+        if (skip)
+                return 0;
+
+        mvv_write(dev, 0x29, sub);
+        mvv_write(dev, 0x2A, data);
+        mvv_write(dev, 0x28, slave);
+
+        outb(0x28, dev->io);
+
+        count = 0;
+        while ((inb(dev->data) & 1) == 0)
+                if (count > 255)
+                        break;
+        while ((inb(dev->data) & 1) != 0)
+                if (count > 255)
+                        break;
+
+        count = inb(dev->data);
+
+        if (count & 2)
+                return -1;
+        return count;
+}
+
+static int pms_i2c_read(struct pms *dev, int slave, int sub)
+{
+        int i;
+
+        for (i = 0; i < dev->i2c_count; i++) {
+                if (dev->i2cinfo[i].slave == slave && dev->i2cinfo[i].sub == sub)
+                        return dev->i2cinfo[i].data;
+        }
+        return 0;
+}
+
+
+static void pms_i2c_andor(struct pms *dev, int slave, int sub, int and, int or)
+{
+        u8 tmp;
+
+        tmp = pms_i2c_read(dev, slave, sub);
+        tmp = (tmp & and) | or;
+        pms_i2c_write(dev, slave, sub, tmp);
+}
+
+/*
+ *      Control functions
+ */
+
+
+static void pms_videosource(struct pms *dev, short source)
+{
+        switch (dev->decoder) {
+        case MOTOROLA:
+                break;
+        case PHILIPS2:
+                pms_i2c_andor(dev, 0x8a, 0x06, 0x7f, source ? 0x80 : 0);
+                break;
+        case PHILIPS1:
+                break;
+        }
+        mvv_write(dev, 0x2E, 0x31);
+        /* Was: mvv_write(dev, 0x2E, source ? 0x31 : 0x30);
+           But could not make this work correctly. Only Composite input
+           worked for me. */
+}
+
+static void pms_hue(struct pms *dev, short hue)
+{
+        switch (dev->decoder) {
+        case MOTOROLA:
+                pms_i2c_write(dev, 0x8a, 0x00, hue);
+                break;
+        case PHILIPS2:
+                pms_i2c_write(dev, 0x8a, 0x07, hue);
+                break;
+        case PHILIPS1:
+                pms_i2c_write(dev, 0x42, 0x07, hue);
+                break;
+        }
+}
+
+static void pms_saturation(struct pms *dev, short sat)
+{
+        switch (dev->decoder) {
+        case MOTOROLA:
+                pms_i2c_write(dev, 0x8a, 0x00, sat);
+                break;
+        case PHILIPS1:
+                pms_i2c_write(dev, 0x42, 0x12, sat);
+                break;
+        }
+}
+
+
+static void pms_contrast(struct pms *dev, short contrast)
+{
+        switch (dev->decoder) {
+        case MOTOROLA:
+                pms_i2c_write(dev, 0x8a, 0x00, contrast);
+                break;
+        case PHILIPS1:
+                pms_i2c_write(dev, 0x42, 0x13, contrast);
+                break;
+        }
+}
+
+static void pms_brightness(struct pms *dev, short brightness)
+{
+        switch (dev->decoder) {
+        case MOTOROLA:
+                pms_i2c_write(dev, 0x8a, 0x00, brightness);
+                pms_i2c_write(dev, 0x8a, 0x00, brightness);
+                pms_i2c_write(dev, 0x8a, 0x00, brightness);
+                break;
+        case PHILIPS1:
+                pms_i2c_write(dev, 0x42, 0x19, brightness);
+                break;
+        }
+}
+
+
+static void pms_format(struct pms *dev, short format)
+{
+        int target;
+
+        dev->standard = format;
+
+        if (dev->decoder == PHILIPS1)
+                target = 0x42;
+        else if (dev->decoder == PHILIPS2)
+                target = 0x8a;
+        else
+                return;
+
+        switch (format) {
+        case 0: /* Auto */
+                pms_i2c_andor(dev, target, 0x0d, 0xfe, 0x00);
+                pms_i2c_andor(dev, target, 0x0f, 0x3f, 0x80);
+                break;
+        case 1: /* NTSC */
+                pms_i2c_andor(dev, target, 0x0d, 0xfe, 0x00);
+                pms_i2c_andor(dev, target, 0x0f, 0x3f, 0x40);
+                break;
+        case 2: /* PAL */
+                pms_i2c_andor(dev, target, 0x0d, 0xfe, 0x00);
+                pms_i2c_andor(dev, target, 0x0f, 0x3f, 0x00);
+                break;
+        case 3: /* SECAM */
+                pms_i2c_andor(dev, target, 0x0d, 0xfe, 0x01);
+                pms_i2c_andor(dev, target, 0x0f, 0x3f, 0x00);
+                break;
+        }
+}
+
+#ifdef FOR_FUTURE_EXPANSION
+
+/*
+ *      These features of the PMS card are not currently exposes. They
+ *      could become a private v4l ioctl for PMSCONFIG or somesuch if
+ *      people need it. We also don't yet use the PMS interrupt.
+ */
+
+static void pms_hstart(struct pms *dev, short start)
+{
+        switch (dev->decoder) {
+        case PHILIPS1:
+                pms_i2c_write(dev, 0x8a, 0x05, start);
+                pms_i2c_write(dev, 0x8a, 0x18, start);
+                break;
+        case PHILIPS2:
+                pms_i2c_write(dev, 0x42, 0x05, start);
+                pms_i2c_write(dev, 0x42, 0x18, start);
+                break;
+        }
+}
+
+/*
+ *      Bandpass filters
+ */
+
+static void pms_bandpass(struct pms *dev, short pass)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x06, 0xcf, (pass & 0x03) << 4);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x06, 0xcf, (pass & 0x03) << 4);
+}
+
+static void pms_antisnow(struct pms *dev, short snow)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x06, 0xf3, (snow & 0x03) << 2);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x06, 0xf3, (snow & 0x03) << 2);
+}
+
+static void pms_sharpness(struct pms *dev, short sharp)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x06, 0xfc, sharp & 0x03);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x06, 0xfc, sharp & 0x03);
+}
+
+static void pms_chromaagc(struct pms *dev, short agc)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x0c, 0x9f, (agc & 0x03) << 5);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x0c, 0x9f, (agc & 0x03) << 5);
+}
+
+static void pms_vertnoise(struct pms *dev, short noise)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x10, 0xfc, noise & 3);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x10, 0xfc, noise & 3);
+}
+
+static void pms_forcecolour(struct pms *dev, short colour)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x0c, 0x7f, (colour & 1) << 7);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x0c, 0x7, (colour & 1) << 7);
+}
+
+static void pms_antigamma(struct pms *dev, short gamma)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0xb8, 0x00, 0x7f, (gamma & 1) << 7);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x20, 0x7, (gamma & 1) << 7);
+}
+
+static void pms_prefilter(struct pms *dev, short filter)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x06, 0xbf, (filter & 1) << 6);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x06, 0xbf, (filter & 1) << 6);
+}
+
+static void pms_hfilter(struct pms *dev, short filter)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0xb8, 0x04, 0x1f, (filter & 7) << 5);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x24, 0x1f, (filter & 7) << 5);
+}
+
+static void pms_vfilter(struct pms *dev, short filter)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0xb8, 0x08, 0x9f, (filter & 3) << 5);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x28, 0x9f, (filter & 3) << 5);
+}
+
+static void pms_killcolour(struct pms *dev, short colour)
+{
+        if (dev->decoder == PHILIPS2) {
+                pms_i2c_andor(dev, 0x8a, 0x08, 0x07, (colour & 0x1f) << 3);
+                pms_i2c_andor(dev, 0x8a, 0x09, 0x07, (colour & 0x1f) << 3);
+        } else if (dev->decoder == PHILIPS1) {
+                pms_i2c_andor(dev, 0x42, 0x08, 0x07, (colour & 0x1f) << 3);
+                pms_i2c_andor(dev, 0x42, 0x09, 0x07, (colour & 0x1f) << 3);
+        }
+}
+
+static void pms_chromagain(struct pms *dev, short chroma)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_write(dev, 0x8a, 0x11, chroma);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_write(dev, 0x42, 0x11, chroma);
+}
+
+
+static void pms_spacialcompl(struct pms *dev, short data)
+{
+        mvv_write(dev, 0x3b, data);
+}
+
+static void pms_spacialcomph(struct pms *dev, short data)
+{
+        mvv_write(dev, 0x3a, data);
+}
+
+static void pms_vstart(struct pms *dev, short start)
+{
+        mvv_write(dev, 0x16, start);
+        mvv_write(dev, 0x17, (start >> 8) & 0x01);
+}
+
+#endif
+
+static void pms_secamcross(struct pms *dev, short cross)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x0f, 0xdf, (cross & 1) << 5);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x0f, 0xdf, (cross & 1) << 5);
+}
+
+
+static void pms_swsense(struct pms *dev, short sense)
+{
+        if (dev->decoder == PHILIPS2) {
+                pms_i2c_write(dev, 0x8a, 0x0a, sense);
+                pms_i2c_write(dev, 0x8a, 0x0b, sense);
+        } else if (dev->decoder == PHILIPS1) {
+                pms_i2c_write(dev, 0x42, 0x0a, sense);
+                pms_i2c_write(dev, 0x42, 0x0b, sense);
+        }
+}
+
+
+static void pms_framerate(struct pms *dev, short frr)
+{
+        int fps = (dev->std & V4L2_STD_525_60) ? 30 : 25;
+
+        if (frr == 0)
+                return;
+        fps = fps/frr;
+        mvv_write(dev, 0x14, 0x80 | fps);
+        mvv_write(dev, 0x15, 1);
+}
+
+static void pms_vert(struct pms *dev, u8 deciden, u8 decinum)
+{
+        mvv_write(dev, 0x1c, deciden);  /* Denominator */
+        mvv_write(dev, 0x1d, decinum);  /* Numerator */
+}
+
+/*
+ *      Turn 16bit ratios into best small ratio the chipset can grok
+ */
+
+static void pms_vertdeci(struct pms *dev, unsigned short decinum, unsigned short deciden)
+{
+        /* Knock it down by / 5 once */
+        if (decinum % 5 == 0) {
+                deciden /= 5;
+                decinum /= 5;
+        }
+        /*
+         *      3's
+         */
+        while (decinum % 3 == 0 && deciden % 3 == 0) {
+                deciden /= 3;
+                decinum /= 3;
+        }
+        /*
+         *      2's
+         */
+        while (decinum % 2 == 0 && deciden % 2 == 0) {
+                decinum /= 2;
+                deciden /= 2;
+        }
+        /*
+         *      Fudgyify
+         */
+        while (deciden > 32) {
+                deciden /= 2;
+                decinum = (decinum + 1) / 2;
+        }
+        if (deciden == 32)
+                deciden--;
+        pms_vert(dev, deciden, decinum);
+}
+
+static void pms_horzdeci(struct pms *dev, short decinum, short deciden)
+{
+        if (decinum <= 512) {
+                if (decinum % 5 == 0) {
+                        decinum /= 5;
+                        deciden /= 5;
+                }
+        } else {
+                decinum = 512;
+                deciden = 640;  /* 768 would be ideal */
+        }
+
+        while (((decinum | deciden) & 1) == 0) {
+                decinum >>= 1;
+                deciden >>= 1;
+        }
+        while (deciden > 32) {
+                deciden >>= 1;
+                decinum = (decinum + 1) >> 1;
+        }
+        if (deciden == 32)
+                deciden--;
+
+        mvv_write(dev, 0x24, 0x80 | deciden);
+        mvv_write(dev, 0x25, decinum);
+}
+
+static void pms_resolution(struct pms *dev, short width, short height)
+{
+        int fg_height;
+
+        fg_height = height;
+        if (fg_height > 280)
+                fg_height = 280;
+
+        mvv_write(dev, 0x18, fg_height);
+        mvv_write(dev, 0x19, fg_height >> 8);
+
+        if (dev->std & V4L2_STD_525_60) {
+                mvv_write(dev, 0x1a, 0xfc);
+                mvv_write(dev, 0x1b, 0x00);
+                if (height > fg_height)
+                        pms_vertdeci(dev, 240, 240);
+                else
+                        pms_vertdeci(dev, fg_height, 240);
+        } else {
+                mvv_write(dev, 0x1a, 0x1a);
+                mvv_write(dev, 0x1b, 0x01);
+                if (fg_height > 256)
+                        pms_vertdeci(dev, 270, 270);
+                else
+                        pms_vertdeci(dev, fg_height, 270);
+        }
+        mvv_write(dev, 0x12, 0);
+        mvv_write(dev, 0x13, MVVMEMORYWIDTH);
+        mvv_write(dev, 0x42, 0x00);
+        mvv_write(dev, 0x43, 0x00);
+        mvv_write(dev, 0x44, MVVMEMORYWIDTH);
+
+        mvv_write(dev, 0x22, width + 8);
+        mvv_write(dev, 0x23, (width + 8) >> 8);
+
+        if (dev->std & V4L2_STD_525_60)
+                pms_horzdeci(dev, width, 640);
+        else
+                pms_horzdeci(dev, width + 8, 768);
+
+        mvv_write(dev, 0x30, mvv_read(dev, 0x30) & 0xfe);
+        mvv_write(dev, 0x08, mvv_read(dev, 0x08) | 0x01);
+        mvv_write(dev, 0x01, mvv_read(dev, 0x01) & 0xfd);
+        mvv_write(dev, 0x32, 0x00);
+        mvv_write(dev, 0x33, MVVMEMORYWIDTH);
+}
+
+
+/*
+ *      Set Input
+ */
+
+static void pms_vcrinput(struct pms *dev, short input)
+{
+        if (dev->decoder == PHILIPS2)
+                pms_i2c_andor(dev, 0x8a, 0x0d, 0x7f, (input & 1) << 7);
+        else if (dev->decoder == PHILIPS1)
+                pms_i2c_andor(dev, 0x42, 0x0d, 0x7f, (input & 1) << 7);
+}
+
+
+static int pms_capture(struct pms *dev, char __user *buf, int rgb555, int count)
+{
+        int y;
+        int dw = 2 * dev->width;
+        char tmp[dw + 32]; /* using a temp buffer is faster than direct  */
+        int cnt = 0;
+        int len = 0;
+        unsigned char r8 = 0x5;  /* value for reg8  */
+
+        if (rgb555)
+                r8 |= 0x20; /* else use untranslated rgb = 565 */
+        mvv_write(dev, 0x08, r8); /* capture rgb555/565, init DRAM, PC enable */
+
+/*      printf("%d %d %d %d %d %x %x\n",width,height,voff,nom,den,mvv_buf); */
+
+        for (y = 0; y < dev->height; y++) {
+                writeb(0, dev->mem);  /* synchronisiert neue Zeile */
+
+                /*
+                 *      This is in truth a fifo, be very careful as if you
+                 *      forgot this odd things will occur 8)
+                 */
+
+                memcpy_fromio(tmp, dev->mem, dw + 32); /* discard 16 word   */
+                cnt -= dev->height;
+                while (cnt <= 0) {
+                        /*
+                         *      Don't copy too far
+                         */
+                        int dt = dw;
+                        if (dt + len > count)
+                                dt = count - len;
+                        cnt += dev->height;
+                        if (copy_to_user(buf, tmp + 32, dt))
+                                return len ? len : -EFAULT;
+                        buf += dt;
+                        len += dt;
+                }
+        }
+        return len;
+}
+
+
+/*
+ *      Video4linux interfacing
+ */
+
+static int pms_querycap(struct file *file, void  *priv,
+                                        struct v4l2_capability *vcap)
+{
+        struct pms *dev = video_drvdata(file);
+
+        strlcpy(vcap->driver, dev->v4l2_dev.name, sizeof(vcap->driver));
+        strlcpy(vcap->card, "Mediavision PMS", sizeof(vcap->card));
+        snprintf(vcap->bus_info, sizeof(vcap->bus_info),
+                        "ISA:%s", dev->v4l2_dev.name);
+        vcap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
+        vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS;
+        return 0;
+}
+
+static int pms_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
+{
+        static const char *inputs[4] = {
+                "Composite",
+                "S-Video",
+                "Composite (VCR)",
+                "S-Video (VCR)"
+        };
+
+        if (vin->index > 3)
+                return -EINVAL;
+        strlcpy(vin->name, inputs[vin->index], sizeof(vin->name));
+        vin->type = V4L2_INPUT_TYPE_CAMERA;
+        vin->audioset = 0;
+        vin->tuner = 0;
+        vin->std = V4L2_STD_ALL;
+        vin->status = 0;
+        return 0;
+}
+
+static int pms_g_input(struct file *file, void *fh, unsigned int *inp)
+{
+        struct pms *dev = video_drvdata(file);
+
+        *inp = dev->input;
+        return 0;
+}
+
+static int pms_s_input(struct file *file, void *fh, unsigned int inp)
+{
+        struct pms *dev = video_drvdata(file);
+
+        if (inp > 3)
+                return -EINVAL;
+
+        dev->input = inp;
+        pms_videosource(dev, inp & 1);
+        pms_vcrinput(dev, inp >> 1);
+        return 0;
+}
+
+static int pms_g_std(struct file *file, void *fh, v4l2_std_id *std)
+{
+        struct pms *dev = video_drvdata(file);
+
+        *std = dev->std;
+        return 0;
+}
+
+static int pms_s_std(struct file *file, void *fh, v4l2_std_id *std)
+{
+        struct pms *dev = video_drvdata(file);
+        int ret = 0;
+
+        dev->std = *std;
+        if (dev->std & V4L2_STD_NTSC) {
+                pms_framerate(dev, 30);
+                pms_secamcross(dev, 0);
+                pms_format(dev, 1);
+        } else if (dev->std & V4L2_STD_PAL) {
+                pms_framerate(dev, 25);
+                pms_secamcross(dev, 0);
+                pms_format(dev, 2);
+        } else if (dev->std & V4L2_STD_SECAM) {
+                pms_framerate(dev, 25);
+                pms_secamcross(dev, 1);
+                pms_format(dev, 2);
+        } else {
+                ret = -EINVAL;
+        }
+        /*
+        switch (v->mode) {
+        case VIDEO_MODE_AUTO:
+                pms_framerate(dev, 25);
+                pms_secamcross(dev, 0);
+                pms_format(dev, 0);
+                break;
+        }*/
+        return ret;
+}
+
+static int pms_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+        struct pms *dev = container_of(ctrl->handler, struct pms, hdl);
+        int ret = 0;
+
+        switch (ctrl->id) {
+        case V4L2_CID_BRIGHTNESS:
+                pms_brightness(dev, ctrl->val);
+                break;
+        case V4L2_CID_CONTRAST:
+                pms_contrast(dev, ctrl->val);
+                break;
+        case V4L2_CID_SATURATION:
+                pms_saturation(dev, ctrl->val);
+                break;
+        case V4L2_CID_HUE:
+                pms_hue(dev, ctrl->val);
+                break;
+        default:
+                ret = -EINVAL;
+                break;
+        }
+        return ret;
+}
+
+static int pms_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
+{
+        struct pms *dev = video_drvdata(file);
+        struct v4l2_pix_format *pix = &fmt->fmt.pix;
+
+        pix->width = dev->width;
+        pix->height = dev->height;
+        pix->pixelformat = dev->width == 15 ?
+                            V4L2_PIX_FMT_RGB555 : V4L2_PIX_FMT_RGB565;
+        pix->field = V4L2_FIELD_NONE;
+        pix->bytesperline = 2 * dev->width;
+        pix->sizeimage = 2 * dev->width * dev->height;
+        /* Just a guess */
+        pix->colorspace = V4L2_COLORSPACE_SRGB;
+        return 0;
+}
+
+static int pms_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
+{
+        struct v4l2_pix_format *pix = &fmt->fmt.pix;
+
+        if (pix->height < 16 || pix->height > 480)
+                return -EINVAL;
+        if (pix->width < 16 || pix->width > 640)
+                return -EINVAL;
+        if (pix->pixelformat != V4L2_PIX_FMT_RGB555 &&
+            pix->pixelformat != V4L2_PIX_FMT_RGB565)
+                return -EINVAL;
+        pix->field = V4L2_FIELD_NONE;
+        pix->bytesperline = 2 * pix->width;
+        pix->sizeimage = 2 * pix->width * pix->height;
+        /* Just a guess */
+        pix->colorspace = V4L2_COLORSPACE_SRGB;
+        return 0;
+}
+
+static int pms_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
+{
+        struct pms *dev = video_drvdata(file);
+        struct v4l2_pix_format *pix = &fmt->fmt.pix;
+        int ret = pms_try_fmt_vid_cap(file, fh, fmt);
+
+        if (ret)
+                return ret;
+        dev->width = pix->width;
+        dev->height = pix->height;
+        dev->depth = (pix->pixelformat == V4L2_PIX_FMT_RGB555) ? 15 : 16;
+        pms_resolution(dev, dev->width, dev->height);
+        /* Ok we figured out what to use from our wide choice */
+        return 0;
+}
+
+static int pms_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
+{
+        static struct v4l2_fmtdesc formats[] = {
+                { 0, 0, 0,
+                  "RGB 5:5:5", V4L2_PIX_FMT_RGB555,
+                  { 0, 0, 0, 0 }
+                },
+                { 1, 0, 0,
+                  "RGB 5:6:5", V4L2_PIX_FMT_RGB565,
+                  { 0, 0, 0, 0 }
+                },
+        };
+        enum v4l2_buf_type type = fmt->type;
+
+        if (fmt->index > 1)
+                return -EINVAL;
+
+        *fmt = formats[fmt->index];
+        fmt->type = type;
+        return 0;
+}
+
+static ssize_t pms_read(struct file *file, char __user *buf,
+                    size_t count, loff_t *ppos)
+{
+        struct pms *dev = video_drvdata(file);
+        int len;
+
+        len = pms_capture(dev, buf, (dev->depth == 15), count);
+        return len;
+}
+
+static unsigned int pms_poll(struct file *file, struct poll_table_struct *wait)
+{
+        struct v4l2_fh *fh = file->private_data;
+        unsigned int res = POLLIN | POLLRDNORM;
+
+        if (v4l2_event_pending(fh))
+                res |= POLLPRI;
+        poll_wait(file, &fh->wait, wait);
+        return res;
+}
+
+static const struct v4l2_file_operations pms_fops = {
+        .owner          = THIS_MODULE,
+        .open           = v4l2_fh_open,
+        .release        = v4l2_fh_release,
+        .poll           = pms_poll,
+        .unlocked_ioctl = video_ioctl2,
+        .read           = pms_read,
+};
+
+static const struct v4l2_ioctl_ops pms_ioctl_ops = {
+        .vidioc_querycap            = pms_querycap,
+        .vidioc_g_input             = pms_g_input,
+        .vidioc_s_input             = pms_s_input,
+        .vidioc_enum_input          = pms_enum_input,
+        .vidioc_g_std               = pms_g_std,
+        .vidioc_s_std               = pms_s_std,
+        .vidioc_enum_fmt_vid_cap    = pms_enum_fmt_vid_cap,
+        .vidioc_g_fmt_vid_cap       = pms_g_fmt_vid_cap,
+        .vidioc_s_fmt_vid_cap       = pms_s_fmt_vid_cap,
+        .vidioc_try_fmt_vid_cap     = pms_try_fmt_vid_cap,
+        .vidioc_subscribe_event     = v4l2_ctrl_subscribe_event,
+        .vidioc_unsubscribe_event   = v4l2_event_unsubscribe,
+};
+
+/*
+ *      Probe for and initialise the Mediavision PMS
+ */
+
+static int init_mediavision(struct pms *dev)
+{
+        int idec, decst;
+        int i;
+        static const unsigned char i2c_defs[] = {
+                0x4c, 0x30, 0x00, 0xe8,
+                0xb6, 0xe2, 0x00, 0x00,
+                0xff, 0xff, 0x00, 0x00,
+                0x00, 0x00, 0x78, 0x98,
+                0x00, 0x00, 0x00, 0x00,
+                0x34, 0x0a, 0xf4, 0xce,
+                0xe4
+        };
+
+        dev->mem = ioremap(mem_base, 0x800);
+        if (!dev->mem)
+                return -ENOMEM;
+
+        if (!request_region(0x9a01, 1, "Mediavision PMS config")) {
+                printk(KERN_WARNING "mediavision: unable to detect: 0x9a01 in use.\n");
+                iounmap(dev->mem);
+                return -EBUSY;
+        }
+        if (!request_region(dev->io, 3, "Mediavision PMS")) {
+                printk(KERN_WARNING "mediavision: I/O port %d in use.\n", dev->io);
+                release_region(0x9a01, 1);
+                iounmap(dev->mem);
+                return -EBUSY;
+        }
+        outb(0xb8, 0x9a01);             /* Unlock */
+        outb(dev->io >> 4, 0x9a01);     /* Set IO port */
+
+
+        decst = pms_i2c_stat(dev, 0x43);
+
+        if (decst != -1)
+                idec = 2;
+        else if (pms_i2c_stat(dev, 0xb9) != -1)
+                idec = 3;
+        else if (pms_i2c_stat(dev, 0x8b) != -1)
+                idec = 1;
+        else
+                idec = 0;
+
+        printk(KERN_INFO "PMS type is %d\n", idec);
+        if (idec == 0) {
+                release_region(dev->io, 3);
+                release_region(0x9a01, 1);
+                iounmap(dev->mem);
+                return -ENODEV;
+        }
+
+        /*
+         *      Ok we have a PMS of some sort
+         */
+
+        mvv_write(dev, 0x04, mem_base >> 12);   /* Set the memory area */
+
+        /* Ok now load the defaults */
+
+        for (i = 0; i < 0x19; i++) {
+                if (i2c_defs[i] == 0xff)
+                        pms_i2c_andor(dev, 0x8a, i, 0x07, 0x00);
+                else
+                        pms_i2c_write(dev, 0x8a, i, i2c_defs[i]);
+        }
+
+        pms_i2c_write(dev, 0xb8, 0x00, 0x12);
+        pms_i2c_write(dev, 0xb8, 0x04, 0x00);
+        pms_i2c_write(dev, 0xb8, 0x07, 0x00);
+        pms_i2c_write(dev, 0xb8, 0x08, 0x00);
+        pms_i2c_write(dev, 0xb8, 0x09, 0xff);
+        pms_i2c_write(dev, 0xb8, 0x0a, 0x00);
+        pms_i2c_write(dev, 0xb8, 0x0b, 0x10);
+        pms_i2c_write(dev, 0xb8, 0x10, 0x03);
+
+        mvv_write(dev, 0x01, 0x00);
+        mvv_write(dev, 0x05, 0xa0);
+        mvv_write(dev, 0x08, 0x25);
+        mvv_write(dev, 0x09, 0x00);
+        mvv_write(dev, 0x0a, 0x20 | MVVMEMORYWIDTH);
+
+        mvv_write(dev, 0x10, 0x02);
+        mvv_write(dev, 0x1e, 0x0c);
+        mvv_write(dev, 0x1f, 0x03);
+        mvv_write(dev, 0x26, 0x06);
+
+        mvv_write(dev, 0x2b, 0x00);
+        mvv_write(dev, 0x2c, 0x20);
+        mvv_write(dev, 0x2d, 0x00);
+        mvv_write(dev, 0x2f, 0x70);
+        mvv_write(dev, 0x32, 0x00);
+        mvv_write(dev, 0x33, MVVMEMORYWIDTH);
+        mvv_write(dev, 0x34, 0x00);
+        mvv_write(dev, 0x35, 0x00);
+        mvv_write(dev, 0x3a, 0x80);
+        mvv_write(dev, 0x3b, 0x10);
+        mvv_write(dev, 0x20, 0x00);
+        mvv_write(dev, 0x21, 0x00);
+        mvv_write(dev, 0x30, 0x22);
+        return 0;
+}
+
+/*
+ *      Initialization and module stuff
+ */
+
+#ifndef MODULE
+static int enable;
+module_param(enable, int, 0);
+#endif
+
+static const struct v4l2_ctrl_ops pms_ctrl_ops = {
+        .s_ctrl = pms_s_ctrl,
+};
+
+static int pms_probe(struct device *pdev, unsigned int card)
+{
+        struct pms *dev;
+        struct v4l2_device *v4l2_dev;
+        struct v4l2_ctrl_handler *hdl;
+        int res;
+
+#ifndef MODULE
+        if (!enable) {
+                pr_err("PMS: not enabled, use pms.enable=1 to probe\n");
+                return -ENODEV;
+        }
+#endif
+
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+        if (dev == NULL)
+                return -ENOMEM;
+
+        dev->decoder = PHILIPS2;
+        dev->io = io_port;
+        dev->data = io_port + 1;
+        v4l2_dev = &dev->v4l2_dev;
+        hdl = &dev->hdl;
+
+        res = v4l2_device_register(pdev, v4l2_dev);
+        if (res < 0) {
+                v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+                goto free_dev;
+        }
+        v4l2_info(v4l2_dev, "Mediavision Pro Movie Studio driver 0.05\n");
+
+        res = init_mediavision(dev);
+        if (res) {
+                v4l2_err(v4l2_dev, "Board not found.\n");
+                goto free_io;
+        }
+
+        v4l2_ctrl_handler_init(hdl, 4);
+        v4l2_ctrl_new_std(hdl, &pms_ctrl_ops,
+                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 139);
+        v4l2_ctrl_new_std(hdl, &pms_ctrl_ops,
+                        V4L2_CID_CONTRAST, 0, 255, 1, 70);
+        v4l2_ctrl_new_std(hdl, &pms_ctrl_ops,
+                        V4L2_CID_SATURATION, 0, 255, 1, 64);
+        v4l2_ctrl_new_std(hdl, &pms_ctrl_ops,
+                        V4L2_CID_HUE, 0, 255, 1, 0);
+        if (hdl->error) {
+                res = hdl->error;
+                goto free_hdl;
+        }
+
+        mutex_init(&dev->lock);
+        strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+        dev->vdev.v4l2_dev = v4l2_dev;
+        dev->vdev.ctrl_handler = hdl;
+        dev->vdev.fops = &pms_fops;
+        dev->vdev.ioctl_ops = &pms_ioctl_ops;
+        dev->vdev.release = video_device_release_empty;
+        dev->vdev.lock = &dev->lock;
+        dev->vdev.tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM;
+        set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev.flags);
+        video_set_drvdata(&dev->vdev, dev);
+        dev->std = V4L2_STD_NTSC_M;
+        dev->height = 240;
+        dev->width = 320;
+        dev->depth = 16;
+        pms_swsense(dev, 75);
+        pms_resolution(dev, 320, 240);
+        pms_videosource(dev, 0);
+        pms_vcrinput(dev, 0);
+        v4l2_ctrl_handler_setup(hdl);
+        res = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, video_nr);
+        if (res >= 0)
+                return 0;
+
+free_hdl:
+        v4l2_ctrl_handler_free(hdl);
+        v4l2_device_unregister(&dev->v4l2_dev);
+free_io:
+        release_region(dev->io, 3);
+        release_region(0x9a01, 1);
+        iounmap(dev->mem);
+free_dev:
+        kfree(dev);
+        return res;
+}
+
+static int pms_remove(struct device *pdev, unsigned int card)
+{
+        struct pms *dev = dev_get_drvdata(pdev);
+
+        video_unregister_device(&dev->vdev);
+        v4l2_ctrl_handler_free(&dev->hdl);
+        release_region(dev->io, 3);
+        release_region(0x9a01, 1);
+        iounmap(dev->mem);
+        return 0;
+}
+
+static struct isa_driver pms_driver = {
+        .probe          = pms_probe,
+        .remove         = pms_remove,
+        .driver         = {
+                .name   = "pms",
+        },
+};
+
+static int __init pms_init(void)
+{
+        return isa_register_driver(&pms_driver, 1);
+}
+
+static void __exit pms_exit(void)
+{
+        isa_unregister_driver(&pms_driver);
+}
+
+module_init(pms_init);
+module_exit(pms_exit);