V4L/DVB (13509): pms: convert from V4L1 to V4L2.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 287 insertions, 187 deletions

diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 82ae85c975f5..9dc74c93bf24 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -600,7 +600,7 @@ source "drivers/media/video/bt8xx/Kconfig"
 
 config VIDEO_PMS
         tristate "Mediavision Pro Movie Studio Video For Linux"
-        depends on ISA && VIDEO_V4L1
+        depends on ISA && VIDEO_V4L2
         help
           Say Y if you have such a thing.
 
diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c
index 2919aa42c94e..73ec970ca5ca 100644
--- a/drivers/media/video/pms.c
+++ b/drivers/media/video/pms.c
@@ -14,8 +14,10 @@
  *      unless the userspace driver also doesn't work for you...
  *
  *      Changes:
- *      08/07/2003        Daniele Bellucci <bellucda@tiscali.it>
- *                        - pms_capture: report back -EFAULT
+ *      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>
@@ -27,20 +29,21 @@
 #include <linux/mm.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
+#include <linux/version.h>
+#include <linux/mutex.h>
+#include <asm/uaccess.h>
 #include <asm/io.h>
-#include <linux/videodev.h>
+
+#include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-device.h>
-#include <linux/mutex.h>
-
-#include <asm/uaccess.h>
 
 MODULE_LICENSE("GPL");
 
 
 #define MOTOROLA        1
-#define PHILIPS2        2
+#define PHILIPS2        2               /* SAA7191 */
 #define PHILIPS1        3
 #define MVVMEMORYWIDTH  0x40            /* 512 bytes */
 
@@ -54,9 +57,11 @@ struct i2c_info {
 struct pms {
         struct v4l2_device v4l2_dev;
         struct video_device vdev;
-        struct video_picture picture;
         int height;
         int width;
+        int depth;
+        int input;
+        s32 brightness, saturation, hue, contrast;
         unsigned long in_use;
         struct mutex lock;
         int i2c_count;
@@ -64,6 +69,7 @@ struct pms {
 
         int decoder;
         int standard;   /* 0 - auto 1 - ntsc 2 - pal 3 - secam */
+        v4l2_std_id std;
         int io;
         int data;
         void __iomem *mem;
@@ -209,7 +215,19 @@ static void pms_i2c_andor(struct pms *dev, int slave, int sub, int and, int or)
 
 static void pms_videosource(struct pms *dev, short source)
 {
-        mvv_write(dev, 0x2E, source ? 0x31 : 0x30);
+        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)
@@ -227,14 +245,14 @@ static void pms_hue(struct pms *dev, short hue)
         }
 }
 
-static void pms_colour(struct pms *dev, short colour)
+static void pms_saturation(struct pms *dev, short sat)
 {
         switch (dev->decoder) {
         case MOTOROLA:
-                pms_i2c_write(dev, 0x8a, 0x00, colour);
+                pms_i2c_write(dev, 0x8a, 0x00, sat);
                 break;
         case PHILIPS1:
-                pms_i2c_write(dev, 0x42, 0x12, colour);
+                pms_i2c_write(dev, 0x42, 0x12, sat);
                 break;
         }
 }
@@ -467,7 +485,7 @@ static void pms_swsense(struct pms *dev, short sense)
 
 static void pms_framerate(struct pms *dev, short frr)
 {
-        int fps = (dev->standard == 1) ? 30 : 25;
+        int fps = (dev->std & V4L2_STD_525_60) ? 30 : 25;
 
         if (frr == 0)
                 return;
@@ -557,7 +575,7 @@ static void pms_resolution(struct pms *dev, short width, short height)
         mvv_write(dev, 0x18, fg_height);
         mvv_write(dev, 0x19, fg_height >> 8);
 
-        if (dev->standard == 1) {
+        if (dev->std & V4L2_STD_525_60) {
                 mvv_write(dev, 0x1a, 0xfc);
                 mvv_write(dev, 0x1b, 0x00);
                 if (height > fg_height)
@@ -581,7 +599,7 @@ static void pms_resolution(struct pms *dev, short width, short height)
         mvv_write(dev, 0x22, width + 8);
         mvv_write(dev, 0x23, (width + 8) >> 8);
 
-        if (dev->standard == 1)
+        if (dev->std & V4L2_STD_525_60)
                 pms_horzdeci(dev, width, 640);
         else
                 pms_horzdeci(dev, width + 8, 768);
@@ -654,192 +672,252 @@ static int pms_capture(struct pms *dev, char __user *buf, int rgb555, int count)
  *      Video4linux interfacing
  */
 
-static long pms_do_ioctl(struct file *file, unsigned int cmd, void *arg)
+static int pms_querycap(struct file *file, void  *priv,
+                                        struct v4l2_capability *vcap)
 {
         struct pms *dev = video_drvdata(file);
 
-        switch (cmd) {
-        case VIDIOCGCAP: {
-                struct video_capability *b = arg;
-
-                strcpy(b->name, "Mediavision PMS");
-                b->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES;
-                b->channels = 4;
-                b->audios = 0;
-                b->maxwidth = 640;
-                b->maxheight = 480;
-                b->minwidth = 16;
-                b->minheight = 16;
-                return 0;
-        }
-        case VIDIOCGCHAN: {
-                struct video_channel *v = arg;
-
-                if (v->channel < 0 || v->channel > 3)
-                        return -EINVAL;
-                v->flags = 0;
-                v->tuners = 1;
-                /* Good question.. its composite or SVHS so.. */
-                v->type = VIDEO_TYPE_CAMERA;
-                switch (v->channel) {
-                case 0:
-                        strcpy(v->name, "Composite");
-                        break;
-                case 1:
-                        strcpy(v->name, "SVideo");
-                        break;
-                case 2:
-                        strcpy(v->name, "Composite(VCR)");
-                        break;
-                case 3:
-                        strcpy(v->name, "SVideo(VCR)");
-                        break;
-                }
-                return 0;
-        }
-        case VIDIOCSCHAN: {
-                struct video_channel *v = arg;
-
-                if (v->channel < 0 || v->channel > 3)
-                        return -EINVAL;
-                mutex_lock(&dev->lock);
-                pms_videosource(dev, v->channel & 1);
-                pms_vcrinput(dev, v->channel >> 1);
-                mutex_unlock(&dev->lock);
-                return 0;
-        }
-        case VIDIOCGTUNER: {
-                struct video_tuner *v = arg;
-
-                if (v->tuner)
-                        return -EINVAL;
-                strcpy(v->name, "Format");
-                v->rangelow = 0;
-                v->rangehigh = 0;
-                v->flags = VIDEO_TUNER_PAL | VIDEO_TUNER_NTSC | VIDEO_TUNER_SECAM;
-                switch (dev->standard) {
-                case 0:
-                        v->mode = VIDEO_MODE_AUTO;
-                        break;
-                case 1:
-                        v->mode = VIDEO_MODE_NTSC;
-                        break;
-                case 2:
-                        v->mode = VIDEO_MODE_PAL;
-                        break;
-                case 3:
-                        v->mode = VIDEO_MODE_SECAM;
-                        break;
-                }
-                return 0;
-        }
-        case VIDIOCSTUNER: {
-                struct video_tuner *v = arg;
-
-                if (v->tuner)
-                        return -EINVAL;
-                mutex_lock(&dev->lock);
-                switch (v->mode) {
-                case VIDEO_MODE_AUTO:
-                        pms_framerate(dev, 25);
-                        pms_secamcross(dev, 0);
-                        pms_format(dev, 0);
-                        break;
-                case VIDEO_MODE_NTSC:
-                        pms_framerate(dev, 30);
-                        pms_secamcross(dev, 0);
-                        pms_format(dev, 1);
-                        break;
-                case VIDEO_MODE_PAL:
-                        pms_framerate(dev, 25);
-                        pms_secamcross(dev, 0);
-                        pms_format(dev, 2);
-                        break;
-                case VIDEO_MODE_SECAM:
-                        pms_framerate(dev, 25);
-                        pms_secamcross(dev, 1);
-                        pms_format(dev, 2);
-                        break;
-                default:
-                        mutex_unlock(&dev->lock);
-                        return -EINVAL;
-                }
-                mutex_unlock(&dev->lock);
-                return 0;
-        }
-        case VIDIOCGPICT: {
-                struct video_picture *p = arg;
+        strlcpy(vcap->driver, dev->v4l2_dev.name, sizeof(vcap->driver));
+        strlcpy(vcap->card, "Mediavision PMS", sizeof(vcap->card));
+        strlcpy(vcap->bus_info, "ISA", sizeof(vcap->bus_info));
+        vcap->version = KERNEL_VERSION(0, 0, 3);
+        vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
+        return 0;
+}
 
-                *p = dev->picture;
-                return 0;
-        }
-        case VIDIOCSPICT: {
-                struct video_picture *p = arg;
+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 (!((p->palette == VIDEO_PALETTE_RGB565 && p->depth == 16) ||
-                      (p->palette == VIDEO_PALETTE_RGB555 && p->depth == 15)))
-                        return -EINVAL;
-                dev->picture = *p;
+        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;
+}
 
-                /*
-                 *      Now load the card.
-                 */
+static int pms_g_input(struct file *file, void *fh, unsigned int *inp)
+{
+        struct pms *dev = video_drvdata(file);
 
-                mutex_lock(&dev->lock);
-                pms_brightness(dev, p->brightness >> 8);
-                pms_hue(dev, p->hue >> 8);
-                pms_colour(dev, p->colour >> 8);
-                pms_contrast(dev, p->contrast >> 8);
-                mutex_unlock(&dev->lock);
-                return 0;
+        *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;
+
+        mutex_lock(&dev->lock);
+        dev->input = inp;
+        pms_videosource(dev, inp & 1);
+        pms_vcrinput(dev, inp >> 1);
+        mutex_unlock(&dev->lock);
+        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;
+        mutex_lock(&dev->lock);
+        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;
         }
-        case VIDIOCSWIN: {
-                struct video_window *vw = arg;
-
-                if (vw->flags)
-                        return -EINVAL;
-                if (vw->clipcount)
-                        return -EINVAL;
-                if (vw->height < 16 || vw->height > 480)
-                        return -EINVAL;
-                if (vw->width < 16 || vw->width > 640)
-                        return -EINVAL;
-                dev->width = vw->width;
-                dev->height = vw->height;
-                mutex_lock(&dev->lock);
-                pms_resolution(dev, dev->width, dev->height);
-                /* Ok we figured out what to use from our wide choice */
-                mutex_unlock(&dev->lock);
-                return 0;
+        /*
+        switch (v->mode) {
+        case VIDEO_MODE_AUTO:
+                pms_framerate(dev, 25);
+                pms_secamcross(dev, 0);
+                pms_format(dev, 0);
+                break;
+        }*/
+        mutex_unlock(&dev->lock);
+        return 0;
+}
+
+static int pms_queryctrl(struct file *file, void *priv,
+                                        struct v4l2_queryctrl *qc)
+{
+        switch (qc->id) {
+        case V4L2_CID_BRIGHTNESS:
+                return v4l2_ctrl_query_fill(qc, 0, 255, 1, 139);
+        case V4L2_CID_CONTRAST:
+                return v4l2_ctrl_query_fill(qc, 0, 255, 1, 70);
+        case V4L2_CID_SATURATION:
+                return v4l2_ctrl_query_fill(qc, 0, 255, 1, 64);
+        case V4L2_CID_HUE:
+                return v4l2_ctrl_query_fill(qc, 0, 255, 1, 0);
         }
-        case VIDIOCGWIN: {
-                struct video_window *vw = arg;
+        return -EINVAL;
+}
 
-                memset(vw, 0, sizeof(*vw));
-                vw->width = dev->width;
-                vw->height = dev->height;
-                return 0;
+static int pms_g_ctrl(struct file *file, void *priv,
+                                        struct v4l2_control *ctrl)
+{
+        struct pms *dev = video_drvdata(file);
+        int ret = 0;
+
+        switch (ctrl->id) {
+        case V4L2_CID_BRIGHTNESS:
+                ctrl->value = dev->brightness;
+                break;
+        case V4L2_CID_CONTRAST:
+                ctrl->value = dev->contrast;
+                break;
+        case V4L2_CID_SATURATION:
+                ctrl->value = dev->saturation;
+                break;
+        case V4L2_CID_HUE:
+                ctrl->value = dev->hue;
+                break;
+        default:
+                ret = -EINVAL;
+                break;
         }
-        case VIDIOCKEY:
-                return 0;
-        case VIDIOCCAPTURE:
-        case VIDIOCGFBUF:
-        case VIDIOCSFBUF:
-        case VIDIOCGFREQ:
-        case VIDIOCSFREQ:
-        case VIDIOCGAUDIO:
-        case VIDIOCSAUDIO:
-                return -EINVAL;
+        return ret;
+}
+
+static int pms_s_ctrl(struct file *file, void *priv,
+                                        struct v4l2_control *ctrl)
+{
+        struct pms *dev = video_drvdata(file);
+        int ret = 0;
+
+        mutex_lock(&dev->lock);
+        switch (ctrl->id) {
+        case V4L2_CID_BRIGHTNESS:
+                dev->brightness = ctrl->value;
+                pms_brightness(dev, dev->brightness);
+                break;
+        case V4L2_CID_CONTRAST:
+                dev->contrast = ctrl->value;
+                pms_contrast(dev, dev->contrast);
+                break;
+        case V4L2_CID_SATURATION:
+                dev->saturation = ctrl->value;
+                pms_saturation(dev, dev->saturation);
+                break;
+        case V4L2_CID_HUE:
+                dev->hue = ctrl->value;
+                pms_hue(dev, dev->hue);
+                break;
         default:
-                return -ENOIOCTLCMD;
+                ret = -EINVAL;
+                break;
         }
+        mutex_unlock(&dev->lock);
+        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 long pms_ioctl(struct file *file,
-                     unsigned int cmd, unsigned long arg)
+static int pms_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
 {
-        return video_usercopy(file, cmd, arg, pms_do_ioctl);
+        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;
+        mutex_lock(&dev->lock);
+        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 */
+        mutex_unlock(&dev->lock);
+        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 }
+                },
+                { 0, 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,
@@ -849,7 +927,7 @@ static ssize_t pms_read(struct file *file, char __user *buf,
         int len;
 
         mutex_lock(&dev->lock);
-        len = pms_capture(dev, buf, (dev->picture.depth == 16) ? 0 : 1, count);
+        len = pms_capture(dev, buf, (dev->depth == 15), count);
         mutex_unlock(&dev->lock);
         return len;
 }
@@ -873,10 +951,25 @@ static const struct v4l2_file_operations pms_fops = {
         .owner          = THIS_MODULE,
         .open           = pms_exclusive_open,
         .release        = pms_exclusive_release,
-        .ioctl          = pms_ioctl,
+        .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_queryctrl                   = pms_queryctrl,
+        .vidioc_g_ctrl                      = pms_g_ctrl,
+        .vidioc_s_ctrl                      = pms_s_ctrl,
+        .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,
+};
 
 /*
  *      Probe for and initialise the Mediavision PMS
@@ -1032,11 +1125,18 @@ static int __init pms_init(void)
         strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
         dev->vdev.v4l2_dev = v4l2_dev;
         dev->vdev.fops = &pms_fops;
+        dev->vdev.ioctl_ops = &pms_ioctl_ops;
         dev->vdev.release = video_device_release_empty;
         video_set_drvdata(&dev->vdev, dev);
         mutex_init(&dev->lock);
+        dev->std = V4L2_STD_NTSC_M;
         dev->height = 240;
         dev->width = 320;
+        dev->depth = 15;
+        dev->brightness = 139;
+        dev->contrast = 70;
+        dev->hue = 0;
+        dev->saturation = 64;
         pms_swsense(dev, 75);
         pms_resolution(dev, 320, 240);
         pms_videosource(dev, 0);