V4L/DVB (4351): V4L2 conversion: radio-maestro
Driver conversion to V4L2 API.
Require some testing, since I don't have such hardware
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c
index fcfa6c9..e8ce5f7 100644
--- a/drivers/media/radio/radio-maestro.c
+++ b/drivers/media/radio/radio-maestro.c
@@ -14,6 +14,8 @@
* version 0.04
* + code improvements
* + VIDEO_TUNER_LOW is permanent
+ *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
*/
#include <linux/module.h>
@@ -25,10 +27,23 @@
#include <asm/uaccess.h>
#include <linux/mutex.h>
#include <linux/pci.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
#include <media/v4l2-common.h>
-#define DRIVER_VERSION "0.05"
+#include <linux/version.h> /* for KERNEL_VERSION MACRO */
+#define RADIO_VERSION KERNEL_VERSION(0,0,6)
+#define DRIVER_VERSION "0.06"
+
+static struct v4l2_queryctrl radio_qctrl[] = {
+ {
+ .id = V4L2_CID_AUDIO_MUTE,
+ .name = "Mute",
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ }
+};
#define GPIO_DATA 0x60 /* port offset from ESS_IO_BASE */
@@ -96,7 +111,7 @@
static struct video_device maestro_radio = {
.name = "Maestro radio",
.type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_SF16MI,
+ .hardware = 0,
.fops = &maestro_fops,
};
@@ -130,7 +145,7 @@
rdata = inw(io);
if(!l)
dev->stereo = rdata & STR_MOST ?
- 0 : VIDEO_TUNER_STEREO_ON;
+ 0 : 1;
else
if(rdata & STR_DATA)
data++;
@@ -183,72 +198,120 @@
struct radio_device *card = video_get_drvdata(dev);
switch (cmd) {
- case VIDIOCGCAP: {
- struct video_capability *v = arg;
- memset(v, 0, sizeof(*v));
- strcpy(v->name, "Maestro radio");
- v->type = VID_TYPE_TUNER;
- v->channels = v->audios = 1;
- return 0;
- } case VIDIOCGTUNER: {
- struct video_tuner *v = arg;
- if (v->tuner)
- return -EINVAL;
- (void)radio_bits_get(card);
- v->flags = VIDEO_TUNER_LOW | card->stereo;
- v->signal = card->tuned;
- strcpy(v->name, "FM");
- v->rangelow = FREQ_LO;
- v->rangehigh = FREQ_HI;
- v->mode = VIDEO_MODE_AUTO;
- return 0;
- } case VIDIOCSTUNER: {
- struct video_tuner *v = arg;
- if (v->tuner != 0)
- return -EINVAL;
- return 0;
- } case VIDIOCGFREQ: {
- unsigned long *freq = arg;
- *freq = BITS2FREQ(radio_bits_get(card));
- return 0;
- } case VIDIOCSFREQ: {
- unsigned long *freq = arg;
- if (*freq < FREQ_LO || *freq > FREQ_HI)
- return -EINVAL;
- radio_bits_set(card, FREQ2BITS(*freq));
- return 0;
- } case VIDIOCGAUDIO: {
- struct video_audio *v = arg;
- memset(v, 0, sizeof(*v));
- strcpy(v->name, "Radio");
- v->flags = VIDEO_AUDIO_MUTABLE | card->muted;
- v->mode = VIDEO_SOUND_STEREO;
- return 0;
- } case VIDIOCSAUDIO: {
- struct video_audio *v = arg;
- if (v->audio)
- return -EINVAL;
+ case VIDIOC_QUERYCAP:
{
- register u16 io = card->io;
- register u16 omask = inw(io + IO_MASK);
- outw(~STR_WREN, io + IO_MASK);
- outw((card->muted = v->flags & VIDEO_AUDIO_MUTE) ?
- STR_WREN : 0, io);
- udelay(4);
- outw(omask, io + IO_MASK);
- msleep(125);
+ struct v4l2_capability *v = arg;
+ memset(v,0,sizeof(*v));
+ strlcpy(v->driver, "radio-maestro", sizeof (v->driver));
+ strlcpy(v->card, "Maestro Radio", sizeof (v->card));
+ sprintf(v->bus_info,"PCI");
+ v->version = RADIO_VERSION;
+ v->capabilities = V4L2_CAP_TUNER;
+
return 0;
}
- } case VIDIOCGUNIT: {
- struct video_unit *v = arg;
- v->video = VIDEO_NO_UNIT;
- v->vbi = VIDEO_NO_UNIT;
- v->radio = dev->minor;
- v->audio = 0;
- v->teletext = VIDEO_NO_UNIT;
- return 0;
- } default:
- return -ENOIOCTLCMD;
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *v = arg;
+
+ if (v->index > 0)
+ return -EINVAL;
+
+ (void)radio_bits_get(card);
+
+ memset(v,0,sizeof(*v));
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+
+ v->rangelow = FREQ_LO;
+ v->rangehigh = FREQ_HI;
+ v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+ v->capability=V4L2_TUNER_CAP_LOW;
+ if(card->stereo)
+ v->audmode = V4L2_TUNER_MODE_STEREO;
+ else
+ v->audmode = V4L2_TUNER_MODE_MONO;
+ v->signal=card->tuned;
+
+ return 0;
+ }
+ case VIDIOC_S_TUNER:
+ {
+ struct v4l2_tuner *v = arg;
+
+ if (v->index > 0)
+ return -EINVAL;
+
+ return 0;
+ }
+ case VIDIOC_S_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
+ return -EINVAL;
+ radio_bits_set(card, FREQ2BITS(f->frequency));
+
+ return 0;
+ }
+ case VIDIOC_G_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = BITS2FREQ(radio_bits_get(card));
+
+ return 0;
+ }
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *qc = arg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
+ if (qc->id && qc->id == radio_qctrl[i].id) {
+ memcpy(qc, &(radio_qctrl[i]),
+ sizeof(*qc));
+ return (0);
+ }
+ }
+ return -EINVAL;
+ }
+ case VIDIOC_G_CTRL:
+ {
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value=card->muted;
+ return (0);
+ }
+ return -EINVAL;
+ }
+ case VIDIOC_S_CTRL:
+ {
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ {
+ register u16 io = card->io;
+ register u16 omask = inw(io + IO_MASK);
+ outw(~STR_WREN, io + IO_MASK);
+ outw((card->muted = ctrl->value ) ?
+ STR_WREN : 0, io);
+ udelay(4);
+ outw(omask, io + IO_MASK);
+ msleep(125);
+
+ return (0);
+ }
+ }
+ return -EINVAL;
+ }
+ default:
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ radio_function);
}
}
@@ -275,7 +338,7 @@
omask = inw(io + IO_MASK);
odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir & ~STR_WREN, io + IO_DIR);
- dev->muted = inw(io) & STR_WREN ? 0 : VIDEO_AUDIO_MUTE;
+ dev->muted = inw(io) & STR_WREN ? 0 : 1;
outw(odir, io + IO_DIR);
outw(~(STR_WREN | STR_CLK), io + IO_MASK);
outw(dev->muted ? 0 : STR_WREN, io);