mirror of https://gitee.com/openkylin/linux.git
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>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
1ce7981be3
commit
feba2f817d
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@ -600,7 +600,7 @@ source "drivers/media/video/bt8xx/Kconfig"
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config VIDEO_PMS
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tristate "Mediavision Pro Movie Studio Video For Linux"
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depends on ISA && VIDEO_V4L1
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depends on ISA && VIDEO_V4L2
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help
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Say Y if you have such a thing.
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@ -14,8 +14,10 @@
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* unless the userspace driver also doesn't work for you...
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*
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* Changes:
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* 08/07/2003 Daniele Bellucci <bellucda@tiscali.it>
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* - pms_capture: report back -EFAULT
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* 25-11-2009 Hans Verkuil <hverkuil@xs4all.nl>
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* - converted to version 2 of the V4L API.
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* 08/07/2003 Daniele Bellucci <bellucda@tiscali.it>
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* - pms_capture: report back -EFAULT
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*/
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#include <linux/module.h>
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@ -27,20 +29,21 @@
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#include <linux/mm.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <linux/version.h>
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#include <linux/mutex.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include <linux/videodev.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-device.h>
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#include <linux/mutex.h>
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#include <asm/uaccess.h>
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MODULE_LICENSE("GPL");
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#define MOTOROLA 1
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#define PHILIPS2 2
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#define PHILIPS2 2 /* SAA7191 */
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#define PHILIPS1 3
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#define MVVMEMORYWIDTH 0x40 /* 512 bytes */
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@ -54,9 +57,11 @@ struct i2c_info {
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struct pms {
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struct v4l2_device v4l2_dev;
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struct video_device vdev;
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struct video_picture picture;
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int height;
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int width;
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int depth;
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int input;
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s32 brightness, saturation, hue, contrast;
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unsigned long in_use;
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struct mutex lock;
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int i2c_count;
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@ -64,6 +69,7 @@ struct pms {
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int decoder;
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int standard; /* 0 - auto 1 - ntsc 2 - pal 3 - secam */
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v4l2_std_id std;
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int io;
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int data;
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void __iomem *mem;
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@ -209,7 +215,19 @@ static void pms_i2c_andor(struct pms *dev, int slave, int sub, int and, int or)
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static void pms_videosource(struct pms *dev, short source)
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{
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mvv_write(dev, 0x2E, source ? 0x31 : 0x30);
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switch (dev->decoder) {
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case MOTOROLA:
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break;
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case PHILIPS2:
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pms_i2c_andor(dev, 0x8a, 0x06, 0x7f, source ? 0x80 : 0);
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break;
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case PHILIPS1:
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break;
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}
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mvv_write(dev, 0x2E, 0x31);
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/* Was: mvv_write(dev, 0x2E, source ? 0x31 : 0x30);
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But could not make this work correctly. Only Composite input
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worked for me. */
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}
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static void pms_hue(struct pms *dev, short hue)
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@ -227,14 +245,14 @@ static void pms_hue(struct pms *dev, short hue)
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}
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}
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static void pms_colour(struct pms *dev, short colour)
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static void pms_saturation(struct pms *dev, short sat)
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{
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switch (dev->decoder) {
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case MOTOROLA:
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pms_i2c_write(dev, 0x8a, 0x00, colour);
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pms_i2c_write(dev, 0x8a, 0x00, sat);
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break;
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case PHILIPS1:
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pms_i2c_write(dev, 0x42, 0x12, colour);
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pms_i2c_write(dev, 0x42, 0x12, sat);
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break;
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}
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}
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@ -467,7 +485,7 @@ static void pms_swsense(struct pms *dev, short sense)
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static void pms_framerate(struct pms *dev, short frr)
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{
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int fps = (dev->standard == 1) ? 30 : 25;
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int fps = (dev->std & V4L2_STD_525_60) ? 30 : 25;
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if (frr == 0)
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return;
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@ -557,7 +575,7 @@ static void pms_resolution(struct pms *dev, short width, short height)
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mvv_write(dev, 0x18, fg_height);
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mvv_write(dev, 0x19, fg_height >> 8);
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if (dev->standard == 1) {
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if (dev->std & V4L2_STD_525_60) {
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mvv_write(dev, 0x1a, 0xfc);
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mvv_write(dev, 0x1b, 0x00);
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if (height > fg_height)
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@ -581,7 +599,7 @@ static void pms_resolution(struct pms *dev, short width, short height)
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mvv_write(dev, 0x22, width + 8);
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mvv_write(dev, 0x23, (width + 8) >> 8);
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if (dev->standard == 1)
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if (dev->std & V4L2_STD_525_60)
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pms_horzdeci(dev, width, 640);
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else
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pms_horzdeci(dev, width + 8, 768);
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@ -654,192 +672,252 @@ static int pms_capture(struct pms *dev, char __user *buf, int rgb555, int count)
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* Video4linux interfacing
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*/
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static long pms_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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static int pms_querycap(struct file *file, void *priv,
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struct v4l2_capability *vcap)
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{
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struct pms *dev = video_drvdata(file);
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switch (cmd) {
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case VIDIOCGCAP: {
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struct video_capability *b = arg;
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strcpy(b->name, "Mediavision PMS");
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b->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES;
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b->channels = 4;
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b->audios = 0;
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b->maxwidth = 640;
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b->maxheight = 480;
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b->minwidth = 16;
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b->minheight = 16;
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return 0;
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}
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case VIDIOCGCHAN: {
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struct video_channel *v = arg;
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if (v->channel < 0 || v->channel > 3)
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return -EINVAL;
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v->flags = 0;
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v->tuners = 1;
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/* Good question.. its composite or SVHS so.. */
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v->type = VIDEO_TYPE_CAMERA;
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switch (v->channel) {
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case 0:
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strcpy(v->name, "Composite");
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break;
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case 1:
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strcpy(v->name, "SVideo");
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break;
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case 2:
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strcpy(v->name, "Composite(VCR)");
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break;
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case 3:
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strcpy(v->name, "SVideo(VCR)");
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break;
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}
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return 0;
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}
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case VIDIOCSCHAN: {
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struct video_channel *v = arg;
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if (v->channel < 0 || v->channel > 3)
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return -EINVAL;
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mutex_lock(&dev->lock);
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pms_videosource(dev, v->channel & 1);
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pms_vcrinput(dev, v->channel >> 1);
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mutex_unlock(&dev->lock);
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return 0;
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}
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case VIDIOCGTUNER: {
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struct video_tuner *v = arg;
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if (v->tuner)
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return -EINVAL;
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strcpy(v->name, "Format");
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v->rangelow = 0;
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v->rangehigh = 0;
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v->flags = VIDEO_TUNER_PAL | VIDEO_TUNER_NTSC | VIDEO_TUNER_SECAM;
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switch (dev->standard) {
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case 0:
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v->mode = VIDEO_MODE_AUTO;
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break;
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case 1:
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v->mode = VIDEO_MODE_NTSC;
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break;
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case 2:
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v->mode = VIDEO_MODE_PAL;
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break;
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case 3:
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v->mode = VIDEO_MODE_SECAM;
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break;
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}
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return 0;
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}
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case VIDIOCSTUNER: {
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struct video_tuner *v = arg;
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if (v->tuner)
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return -EINVAL;
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mutex_lock(&dev->lock);
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switch (v->mode) {
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case VIDEO_MODE_AUTO:
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pms_framerate(dev, 25);
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pms_secamcross(dev, 0);
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pms_format(dev, 0);
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break;
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case VIDEO_MODE_NTSC:
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pms_framerate(dev, 30);
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pms_secamcross(dev, 0);
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pms_format(dev, 1);
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break;
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case VIDEO_MODE_PAL:
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pms_framerate(dev, 25);
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pms_secamcross(dev, 0);
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pms_format(dev, 2);
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break;
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case VIDEO_MODE_SECAM:
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pms_framerate(dev, 25);
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pms_secamcross(dev, 1);
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pms_format(dev, 2);
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break;
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default:
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mutex_unlock(&dev->lock);
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return -EINVAL;
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}
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mutex_unlock(&dev->lock);
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return 0;
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}
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case VIDIOCGPICT: {
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struct video_picture *p = arg;
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*p = dev->picture;
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return 0;
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}
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case VIDIOCSPICT: {
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struct video_picture *p = arg;
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if (!((p->palette == VIDEO_PALETTE_RGB565 && p->depth == 16) ||
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(p->palette == VIDEO_PALETTE_RGB555 && p->depth == 15)))
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return -EINVAL;
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dev->picture = *p;
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/*
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* Now load the card.
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*/
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mutex_lock(&dev->lock);
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pms_brightness(dev, p->brightness >> 8);
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pms_hue(dev, p->hue >> 8);
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pms_colour(dev, p->colour >> 8);
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pms_contrast(dev, p->contrast >> 8);
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mutex_unlock(&dev->lock);
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return 0;
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}
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case VIDIOCSWIN: {
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struct video_window *vw = arg;
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if (vw->flags)
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return -EINVAL;
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if (vw->clipcount)
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return -EINVAL;
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if (vw->height < 16 || vw->height > 480)
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return -EINVAL;
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if (vw->width < 16 || vw->width > 640)
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return -EINVAL;
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dev->width = vw->width;
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dev->height = vw->height;
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mutex_lock(&dev->lock);
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pms_resolution(dev, dev->width, dev->height);
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/* Ok we figured out what to use from our wide choice */
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mutex_unlock(&dev->lock);
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return 0;
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}
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case VIDIOCGWIN: {
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struct video_window *vw = arg;
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memset(vw, 0, sizeof(*vw));
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vw->width = dev->width;
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vw->height = dev->height;
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return 0;
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}
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case VIDIOCKEY:
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return 0;
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case VIDIOCCAPTURE:
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case VIDIOCGFBUF:
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case VIDIOCSFBUF:
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case VIDIOCGFREQ:
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case VIDIOCSFREQ:
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case VIDIOCGAUDIO:
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case VIDIOCSAUDIO:
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return -EINVAL;
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default:
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return -ENOIOCTLCMD;
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}
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strlcpy(vcap->driver, dev->v4l2_dev.name, sizeof(vcap->driver));
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strlcpy(vcap->card, "Mediavision PMS", sizeof(vcap->card));
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strlcpy(vcap->bus_info, "ISA", sizeof(vcap->bus_info));
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vcap->version = KERNEL_VERSION(0, 0, 3);
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vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
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return 0;
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}
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static long pms_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg)
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static int pms_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
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{
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return video_usercopy(file, cmd, arg, pms_do_ioctl);
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static const char *inputs[4] = {
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"Composite",
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"S-Video",
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"Composite (VCR)",
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"S-Video (VCR)"
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};
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if (vin->index > 3)
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return -EINVAL;
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strlcpy(vin->name, inputs[vin->index], sizeof(vin->name));
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vin->type = V4L2_INPUT_TYPE_CAMERA;
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vin->audioset = 0;
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vin->tuner = 0;
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vin->std = V4L2_STD_ALL;
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vin->status = 0;
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return 0;
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}
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static int pms_g_input(struct file *file, void *fh, unsigned int *inp)
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{
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struct pms *dev = video_drvdata(file);
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*inp = dev->input;
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return 0;
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}
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static int pms_s_input(struct file *file, void *fh, unsigned int inp)
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{
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struct pms *dev = video_drvdata(file);
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if (inp > 3)
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return -EINVAL;
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mutex_lock(&dev->lock);
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dev->input = inp;
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pms_videosource(dev, inp & 1);
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pms_vcrinput(dev, inp >> 1);
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mutex_unlock(&dev->lock);
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return 0;
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}
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static int pms_g_std(struct file *file, void *fh, v4l2_std_id *std)
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{
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struct pms *dev = video_drvdata(file);
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*std = dev->std;
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return 0;
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}
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static int pms_s_std(struct file *file, void *fh, v4l2_std_id *std)
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{
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struct pms *dev = video_drvdata(file);
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int ret = 0;
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dev->std = *std;
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mutex_lock(&dev->lock);
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if (dev->std & V4L2_STD_NTSC) {
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pms_framerate(dev, 30);
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pms_secamcross(dev, 0);
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pms_format(dev, 1);
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} else if (dev->std & V4L2_STD_PAL) {
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pms_framerate(dev, 25);
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pms_secamcross(dev, 0);
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pms_format(dev, 2);
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} else if (dev->std & V4L2_STD_SECAM) {
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pms_framerate(dev, 25);
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pms_secamcross(dev, 1);
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pms_format(dev, 2);
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} else {
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ret = -EINVAL;
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}
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/*
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switch (v->mode) {
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case VIDEO_MODE_AUTO:
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pms_framerate(dev, 25);
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pms_secamcross(dev, 0);
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pms_format(dev, 0);
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break;
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}*/
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mutex_unlock(&dev->lock);
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return 0;
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}
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static int pms_queryctrl(struct file *file, void *priv,
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struct v4l2_queryctrl *qc)
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{
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switch (qc->id) {
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case V4L2_CID_BRIGHTNESS:
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return v4l2_ctrl_query_fill(qc, 0, 255, 1, 139);
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case V4L2_CID_CONTRAST:
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return v4l2_ctrl_query_fill(qc, 0, 255, 1, 70);
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case V4L2_CID_SATURATION:
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return v4l2_ctrl_query_fill(qc, 0, 255, 1, 64);
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case V4L2_CID_HUE:
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return v4l2_ctrl_query_fill(qc, 0, 255, 1, 0);
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}
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return -EINVAL;
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}
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static int pms_g_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct pms *dev = video_drvdata(file);
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int ret = 0;
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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ctrl->value = dev->brightness;
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break;
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case V4L2_CID_CONTRAST:
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ctrl->value = dev->contrast;
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break;
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case V4L2_CID_SATURATION:
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ctrl->value = dev->saturation;
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break;
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case V4L2_CID_HUE:
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ctrl->value = dev->hue;
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break;
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default:
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static int pms_s_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct pms *dev = video_drvdata(file);
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int ret = 0;
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||||
|
||||
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:
|
||||
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 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;
|
||||
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);
|
||||
|
|
|
|||
Loading…
Reference in New Issue