#include <linux/io.h> /* outb, outb_p */
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
#include "lm7000.h"
MODULE_AUTHOR("Petr Vandrovec, vandrove@vc.cvut.cz and M. Kirkwood");
struct fmi
{
struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler hdl;
struct video_device vdev;
int io;
bool mute;
- unsigned long curfreq; /* freq in kHz */
+ u32 curfreq; /* freq in kHz */
struct mutex lock;
};
static struct pnp_dev *dev;
bool pnp_attached;
-#define RSF16_MINFREQ (87 * 16000)
-#define RSF16_MAXFREQ (108 * 16000)
+#define RSF16_MINFREQ (87U * 16000)
+#define RSF16_MAXFREQ (108U * 16000)
#define FMI_BIT_TUN_CE (1 << 0)
#define FMI_BIT_TUN_CLK (1 << 1)
return (res & 2) ? 0 : 0xFFFF;
}
+static void fmi_set_freq(struct fmi *fmi)
+{
+ fmi->curfreq = clamp(fmi->curfreq, RSF16_MINFREQ, RSF16_MAXFREQ);
+ /* rounding in steps of 800 to match the freq
+ that will be used */
+ lm7000_set_freq((fmi->curfreq / 800) * 800, fmi, fmi_set_pins);
+}
+
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *v)
{
strlcpy(v->driver, "radio-sf16fmi", sizeof(v->driver));
strlcpy(v->card, "SF16-FMI/FMP/FMD radio", sizeof(v->card));
- strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
- v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ strlcpy(v->bus_info, "ISA:radio-sf16fmi", sizeof(v->bus_info));
+ v->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
return -EINVAL;
- if (f->frequency < RSF16_MINFREQ ||
- f->frequency > RSF16_MAXFREQ)
- return -EINVAL;
- /* rounding in steps of 800 to match the freq
- that will be used */
- lm7000_set_freq((f->frequency / 800) * 800, fmi, fmi_set_pins);
+
+ fmi->curfreq = f->frequency;
+ fmi_set_freq(fmi);
+
return 0;
}
return 0;
}
-static int vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc)
+static int fmi_s_ctrl(struct v4l2_ctrl *ctrl)
{
- switch (qc->id) {
- case V4L2_CID_AUDIO_MUTE:
- return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
- }
- return -EINVAL;
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct fmi *fmi = video_drvdata(file);
+ struct fmi *fmi = container_of(ctrl->handler, struct fmi, hdl);
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
- ctrl->value = fmi->mute;
- return 0;
- }
- return -EINVAL;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct fmi *fmi = video_drvdata(file);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- if (ctrl->value)
+ if (ctrl->val)
fmi_mute(fmi);
else
fmi_unmute(fmi);
- fmi->mute = ctrl->value;
+ fmi->mute = ctrl->val;
return 0;
}
return -EINVAL;
}
-static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
-{
- *i = 0;
- return 0;
-}
-
-static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
-{
- return i ? -EINVAL : 0;
-}
-
-static int vidioc_g_audio(struct file *file, void *priv,
- struct v4l2_audio *a)
-{
- a->index = 0;
- strlcpy(a->name, "Radio", sizeof(a->name));
- a->capability = V4L2_AUDCAP_STEREO;
- return 0;
-}
-
-static int vidioc_s_audio(struct file *file, void *priv,
- const struct v4l2_audio *a)
-{
- return a->index ? -EINVAL : 0;
-}
+static const struct v4l2_ctrl_ops fmi_ctrl_ops = {
+ .s_ctrl = fmi_s_ctrl,
+};
static const struct v4l2_file_operations fmi_fops = {
.owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = v4l2_fh_release,
+ .poll = v4l2_ctrl_poll,
.unlocked_ioctl = video_ioctl2,
};
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
- .vidioc_g_audio = vidioc_g_audio,
- .vidioc_s_audio = vidioc_s_audio,
- .vidioc_g_input = vidioc_g_input,
- .vidioc_s_input = vidioc_s_input,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
/* ladis: this is my card. does any other types exist? */
{
struct fmi *fmi = &fmi_card;
struct v4l2_device *v4l2_dev = &fmi->v4l2_dev;
+ struct v4l2_ctrl_handler *hdl = &fmi->hdl;
int res, i;
int probe_ports[] = { 0, 0x284, 0x384 };
return res;
}
+ v4l2_ctrl_handler_init(hdl, 1);
+ v4l2_ctrl_new_std(hdl, &fmi_ctrl_ops,
+ V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
+ v4l2_dev->ctrl_handler = hdl;
+ if (hdl->error) {
+ res = hdl->error;
+ v4l2_err(v4l2_dev, "Could not register controls\n");
+ v4l2_ctrl_handler_free(hdl);
+ v4l2_device_unregister(v4l2_dev);
+ return res;
+ }
+
strlcpy(fmi->vdev.name, v4l2_dev->name, sizeof(fmi->vdev.name));
fmi->vdev.v4l2_dev = v4l2_dev;
fmi->vdev.fops = &fmi_fops;
fmi->vdev.ioctl_ops = &fmi_ioctl_ops;
fmi->vdev.release = video_device_release_empty;
+ set_bit(V4L2_FL_USE_FH_PRIO, &fmi->vdev.flags);
video_set_drvdata(&fmi->vdev, fmi);
mutex_init(&fmi->lock);
- /* mute card - prevents noisy bootups */
- fmi_mute(fmi);
+ /* mute card and set default frequency */
+ fmi->mute = 1;
+ fmi->curfreq = RSF16_MINFREQ;
+ fmi_set_freq(fmi);
if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+ v4l2_ctrl_handler_free(hdl);
v4l2_device_unregister(v4l2_dev);
release_region(fmi->io, 2);
if (pnp_attached)
{
struct fmi *fmi = &fmi_card;
+ v4l2_ctrl_handler_free(&fmi->hdl);
video_unregister_device(&fmi->vdev);
v4l2_device_unregister(&fmi->v4l2_dev);
release_region(fmi->io, 2);
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