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path: root/drivers/media/video/tlg2300/pd-radio.c
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Diffstat (limited to 'drivers/media/video/tlg2300/pd-radio.c')
-rw-r--r--drivers/media/video/tlg2300/pd-radio.c421
1 files changed, 0 insertions, 421 deletions
diff --git a/drivers/media/video/tlg2300/pd-radio.c b/drivers/media/video/tlg2300/pd-radio.c
deleted file mode 100644
index 4fad1df..0000000
--- a/drivers/media/video/tlg2300/pd-radio.c
+++ /dev/null
@@ -1,421 +0,0 @@
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/bitmap.h>
-#include <linux/usb.h>
-#include <linux/i2c.h>
-#include <media/v4l2-dev.h>
-#include <linux/mm.h>
-#include <linux/mutex.h>
-#include <media/v4l2-ioctl.h>
-#include <linux/sched.h>
-
-#include "pd-common.h"
-#include "vendorcmds.h"
-
-static int set_frequency(struct poseidon *p, __u32 frequency);
-static int poseidon_fm_close(struct file *filp);
-static int poseidon_fm_open(struct file *filp);
-
-#define TUNER_FREQ_MIN_FM 76000000
-#define TUNER_FREQ_MAX_FM 108000000
-
-#define MAX_PREEMPHASIS (V4L2_PREEMPHASIS_75_uS + 1)
-static int preemphasis[MAX_PREEMPHASIS] = {
- TLG_TUNE_ASTD_NONE, /* V4L2_PREEMPHASIS_DISABLED */
- TLG_TUNE_ASTD_FM_EUR, /* V4L2_PREEMPHASIS_50_uS */
- TLG_TUNE_ASTD_FM_US, /* V4L2_PREEMPHASIS_75_uS */
-};
-
-static int poseidon_check_mode_radio(struct poseidon *p)
-{
- int ret;
- u32 status;
-
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/2);
- ret = usb_set_interface(p->udev, 0, BULK_ALTERNATE_IFACE);
- if (ret < 0)
- goto out;
-
- ret = set_tuner_mode(p, TLG_MODE_FM_RADIO);
- if (ret != 0)
- goto out;
-
- ret = send_set_req(p, SGNL_SRC_SEL, TLG_SIG_SRC_ANTENNA, &status);
- ret = send_set_req(p, TUNER_AUD_ANA_STD,
- p->radio_data.pre_emphasis, &status);
- ret |= send_set_req(p, TUNER_AUD_MODE,
- TLG_TUNE_TVAUDIO_MODE_STEREO, &status);
- ret |= send_set_req(p, AUDIO_SAMPLE_RATE_SEL,
- ATV_AUDIO_RATE_48K, &status);
- ret |= send_set_req(p, TUNE_FREQ_SELECT, TUNER_FREQ_MIN_FM, &status);
-out:
- return ret;
-}
-
-#ifdef CONFIG_PM
-static int pm_fm_suspend(struct poseidon *p)
-{
- logpm(p);
- pm_alsa_suspend(p);
- usb_set_interface(p->udev, 0, 0);
- msleep(300);
- return 0;
-}
-
-static int pm_fm_resume(struct poseidon *p)
-{
- logpm(p);
- poseidon_check_mode_radio(p);
- set_frequency(p, p->radio_data.fm_freq);
- pm_alsa_resume(p);
- return 0;
-}
-#endif
-
-static int poseidon_fm_open(struct file *filp)
-{
- struct video_device *vfd = video_devdata(filp);
- struct poseidon *p = video_get_drvdata(vfd);
- int ret = 0;
-
- if (!p)
- return -1;
-
- mutex_lock(&p->lock);
- if (p->state & POSEIDON_STATE_DISCONNECT) {
- ret = -ENODEV;
- goto out;
- }
-
- if (p->state && !(p->state & POSEIDON_STATE_FM)) {
- ret = -EBUSY;
- goto out;
- }
-
- usb_autopm_get_interface(p->interface);
- if (0 == p->state) {
- /* default pre-emphasis */
- if (p->radio_data.pre_emphasis == 0)
- p->radio_data.pre_emphasis = TLG_TUNE_ASTD_FM_EUR;
- set_debug_mode(vfd, debug_mode);
-
- ret = poseidon_check_mode_radio(p);
- if (ret < 0) {
- usb_autopm_put_interface(p->interface);
- goto out;
- }
- p->state |= POSEIDON_STATE_FM;
- }
- p->radio_data.users++;
- kref_get(&p->kref);
- filp->private_data = p;
-out:
- mutex_unlock(&p->lock);
- return ret;
-}
-
-static int poseidon_fm_close(struct file *filp)
-{
- struct poseidon *p = filp->private_data;
- struct radio_data *fm = &p->radio_data;
- uint32_t status;
-
- mutex_lock(&p->lock);
- fm->users--;
- if (0 == fm->users)
- p->state &= ~POSEIDON_STATE_FM;
-
- if (fm->is_radio_streaming && filp == p->file_for_stream) {
- fm->is_radio_streaming = 0;
- send_set_req(p, PLAY_SERVICE, TLG_TUNE_PLAY_SVC_STOP, &status);
- }
- usb_autopm_put_interface(p->interface);
- mutex_unlock(&p->lock);
-
- kref_put(&p->kref, poseidon_delete);
- filp->private_data = NULL;
- return 0;
-}
-
-static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *v)
-{
- struct poseidon *p = file->private_data;
-
- strlcpy(v->driver, "tele-radio", sizeof(v->driver));
- strlcpy(v->card, "Telegent Poseidon", sizeof(v->card));
- usb_make_path(p->udev, v->bus_info, sizeof(v->bus_info));
- v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
- return 0;
-}
-
-static const struct v4l2_file_operations poseidon_fm_fops = {
- .owner = THIS_MODULE,
- .open = poseidon_fm_open,
- .release = poseidon_fm_close,
- .ioctl = video_ioctl2,
-};
-
-static int tlg_fm_vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *vt)
-{
- struct tuner_fm_sig_stat_s fm_stat = {};
- int ret, status, count = 5;
- struct poseidon *p = file->private_data;
-
- if (vt->index != 0)
- return -EINVAL;
-
- vt->type = V4L2_TUNER_RADIO;
- vt->capability = V4L2_TUNER_CAP_STEREO;
- vt->rangelow = TUNER_FREQ_MIN_FM / 62500;
- vt->rangehigh = TUNER_FREQ_MAX_FM / 62500;
- vt->rxsubchans = V4L2_TUNER_SUB_STEREO;
- vt->audmode = V4L2_TUNER_MODE_STEREO;
- vt->signal = 0;
- vt->afc = 0;
-
- mutex_lock(&p->lock);
- ret = send_get_req(p, TUNER_STATUS, TLG_MODE_FM_RADIO,
- &fm_stat, &status, sizeof(fm_stat));
-
- while (fm_stat.sig_lock_busy && count-- && !ret) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ);
-
- ret = send_get_req(p, TUNER_STATUS, TLG_MODE_FM_RADIO,
- &fm_stat, &status, sizeof(fm_stat));
- }
- mutex_unlock(&p->lock);
-
- if (ret || status) {
- vt->signal = 0;
- } else if ((fm_stat.sig_present || fm_stat.sig_locked)
- && fm_stat.sig_strength == 0) {
- vt->signal = 0xffff;
- } else
- vt->signal = (fm_stat.sig_strength * 255 / 10) << 8;
-
- return 0;
-}
-
-static int fm_get_freq(struct file *file, void *priv,
- struct v4l2_frequency *argp)
-{
- struct poseidon *p = file->private_data;
-
- argp->frequency = p->radio_data.fm_freq;
- return 0;
-}
-
-static int set_frequency(struct poseidon *p, __u32 frequency)
-{
- __u32 freq ;
- int ret, status;
-
- mutex_lock(&p->lock);
-
- ret = send_set_req(p, TUNER_AUD_ANA_STD,
- p->radio_data.pre_emphasis, &status);
-
- freq = (frequency * 125) * 500 / 1000;/* kHZ */
- if (freq < TUNER_FREQ_MIN_FM/1000 || freq > TUNER_FREQ_MAX_FM/1000) {
- ret = -EINVAL;
- goto error;
- }
-
- ret = send_set_req(p, TUNE_FREQ_SELECT, freq, &status);
- if (ret < 0)
- goto error ;
- ret = send_set_req(p, TAKE_REQUEST, 0, &status);
-
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/4);
- if (!p->radio_data.is_radio_streaming) {
- ret = send_set_req(p, TAKE_REQUEST, 0, &status);
- ret = send_set_req(p, PLAY_SERVICE,
- TLG_TUNE_PLAY_SVC_START, &status);
- p->radio_data.is_radio_streaming = 1;
- }
- p->radio_data.fm_freq = frequency;
-error:
- mutex_unlock(&p->lock);
- return ret;
-}
-
-static int fm_set_freq(struct file *file, void *priv,
- struct v4l2_frequency *argp)
-{
- struct poseidon *p = file->private_data;
-
- p->file_for_stream = file;
-#ifdef CONFIG_PM
- p->pm_suspend = pm_fm_suspend;
- p->pm_resume = pm_fm_resume;
-#endif
- return set_frequency(p, argp->frequency);
-}
-
-static int tlg_fm_vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *arg)
-{
- return 0;
-}
-
-static int tlg_fm_vidioc_g_exts_ctrl(struct file *file, void *fh,
- struct v4l2_ext_controls *ctrls)
-{
- struct poseidon *p = file->private_data;
- int i;
-
- if (ctrls->ctrl_class != V4L2_CTRL_CLASS_FM_TX)
- return -EINVAL;
-
- for (i = 0; i < ctrls->count; i++) {
- struct v4l2_ext_control *ctrl = ctrls->controls + i;
-
- if (ctrl->id != V4L2_CID_TUNE_PREEMPHASIS)
- continue;
-
- if (i < MAX_PREEMPHASIS)
- ctrl->value = p->radio_data.pre_emphasis;
- }
- return 0;
-}
-
-static int tlg_fm_vidioc_s_exts_ctrl(struct file *file, void *fh,
- struct v4l2_ext_controls *ctrls)
-{
- int i;
-
- if (ctrls->ctrl_class != V4L2_CTRL_CLASS_FM_TX)
- return -EINVAL;
-
- for (i = 0; i < ctrls->count; i++) {
- struct v4l2_ext_control *ctrl = ctrls->controls + i;
-
- if (ctrl->id != V4L2_CID_TUNE_PREEMPHASIS)
- continue;
-
- if (ctrl->value >= 0 && ctrl->value < MAX_PREEMPHASIS) {
- struct poseidon *p = file->private_data;
- int pre_emphasis = preemphasis[ctrl->value];
- u32 status;
-
- send_set_req(p, TUNER_AUD_ANA_STD,
- pre_emphasis, &status);
- p->radio_data.pre_emphasis = pre_emphasis;
- }
- }
- return 0;
-}
-
-static int tlg_fm_vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- return 0;
-}
-
-static int tlg_fm_vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *ctrl)
-{
- if (!(ctrl->id & V4L2_CTRL_FLAG_NEXT_CTRL))
- return -EINVAL;
-
- ctrl->id &= ~V4L2_CTRL_FLAG_NEXT_CTRL;
- if (ctrl->id != V4L2_CID_TUNE_PREEMPHASIS) {
- /* return the next supported control */
- ctrl->id = V4L2_CID_TUNE_PREEMPHASIS;
- v4l2_ctrl_query_fill(ctrl, V4L2_PREEMPHASIS_DISABLED,
- V4L2_PREEMPHASIS_75_uS, 1,
- V4L2_PREEMPHASIS_50_uS);
- ctrl->flags = V4L2_CTRL_FLAG_UPDATE;
- return 0;
- }
- return -EINVAL;
-}
-
-static int tlg_fm_vidioc_querymenu(struct file *file, void *fh,
- struct v4l2_querymenu *qmenu)
-{
- return v4l2_ctrl_query_menu(qmenu, NULL, NULL);
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *vt)
-{
- return vt->index > 0 ? -EINVAL : 0;
-}
-static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *va)
-{
- return (va->index != 0) ? -EINVAL : 0;
-}
-
-static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
-{
- a->index = 0;
- a->mode = 0;
- a->capability = V4L2_AUDCAP_STEREO;
- strcpy(a->name, "Radio");
- return 0;
-}
-
-static int vidioc_s_input(struct file *filp, void *priv, u32 i)
-{
- return (i != 0) ? -EINVAL : 0;
-}
-
-static int vidioc_g_input(struct file *filp, void *priv, u32 *i)
-{
- return (*i != 0) ? -EINVAL : 0;
-}
-
-static const struct v4l2_ioctl_ops poseidon_fm_ioctl_ops = {
- .vidioc_querycap = vidioc_querycap,
- .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_queryctrl = tlg_fm_vidioc_queryctrl,
- .vidioc_querymenu = tlg_fm_vidioc_querymenu,
- .vidioc_g_ctrl = tlg_fm_vidioc_g_ctrl,
- .vidioc_s_ctrl = tlg_fm_vidioc_s_ctrl,
- .vidioc_s_ext_ctrls = tlg_fm_vidioc_s_exts_ctrl,
- .vidioc_g_ext_ctrls = tlg_fm_vidioc_g_exts_ctrl,
- .vidioc_s_tuner = vidioc_s_tuner,
- .vidioc_g_tuner = tlg_fm_vidioc_g_tuner,
- .vidioc_g_frequency = fm_get_freq,
- .vidioc_s_frequency = fm_set_freq,
-};
-
-static struct video_device poseidon_fm_template = {
- .name = "Telegent-Radio",
- .fops = &poseidon_fm_fops,
- .minor = -1,
- .release = video_device_release,
- .ioctl_ops = &poseidon_fm_ioctl_ops,
-};
-
-int poseidon_fm_init(struct poseidon *p)
-{
- struct video_device *fm_dev;
-
- fm_dev = vdev_init(p, &poseidon_fm_template);
- if (fm_dev == NULL)
- return -1;
-
- if (video_register_device(fm_dev, VFL_TYPE_RADIO, -1) < 0) {
- video_device_release(fm_dev);
- return -1;
- }
- p->radio_data.fm_dev = fm_dev;
- return 0;
-}
-
-int poseidon_fm_exit(struct poseidon *p)
-{
- destroy_video_device(&p->radio_data.fm_dev);
- return 0;
-}
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