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path: root/drivers/staging/media/tlg2300/pd-radio.c
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Diffstat (limited to 'drivers/staging/media/tlg2300/pd-radio.c')
-rw-r--r--drivers/staging/media/tlg2300/pd-radio.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/drivers/staging/media/tlg2300/pd-radio.c b/drivers/staging/media/tlg2300/pd-radio.c
deleted file mode 100644
index c0567b5ed363..000000000000
--- a/drivers/staging/media/tlg2300/pd-radio.c
+++ /dev/null
@@ -1,336 +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 <media/v4l2-event.h>
-#include <media/v4l2-fh.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 76000000U
-#define TUNER_FREQ_MAX_FM 108000000U
-
-#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 poseidon *p = video_drvdata(filp);
- int ret = 0;
-
- 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;
- }
- ret = v4l2_fh_open(filp);
- if (ret)
- 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;
-
- ret = poseidon_check_mode_radio(p);
- if (ret < 0) {
- usb_autopm_put_interface(p->interface);
- goto out;
- }
- p->state |= POSEIDON_STATE_FM;
- }
- kref_get(&p->kref);
-out:
- mutex_unlock(&p->lock);
- return ret;
-}
-
-static int poseidon_fm_close(struct file *filp)
-{
- struct poseidon *p = video_drvdata(filp);
- struct radio_data *fm = &p->radio_data;
- uint32_t status;
-
- mutex_lock(&p->lock);
- if (v4l2_fh_is_singular_file(filp))
- 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);
- return v4l2_fh_release(filp);
-}
-
-static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *v)
-{
- struct poseidon *p = video_drvdata(file);
-
- 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->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
- /* Report all capabilities of the USB device */
- v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS |
- V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
- V4L2_CAP_AUDIO | V4L2_CAP_STREAMING |
- V4L2_CAP_READWRITE;
- return 0;
-}
-
-static const struct v4l2_file_operations poseidon_fm_fops = {
- .owner = THIS_MODULE,
- .open = poseidon_fm_open,
- .release = poseidon_fm_close,
- .poll = v4l2_ctrl_poll,
- .unlocked_ioctl = video_ioctl2,
-};
-
-static int tlg_fm_vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *vt)
-{
- struct poseidon *p = video_drvdata(file);
- struct tuner_fm_sig_stat_s fm_stat = {};
- int ret, status, count = 5;
-
- if (vt->index != 0)
- return -EINVAL;
-
- vt->type = V4L2_TUNER_RADIO;
- vt->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW;
- vt->rangelow = TUNER_FREQ_MIN_FM * 2 / 125;
- vt->rangehigh = TUNER_FREQ_MAX_FM * 2 / 125;
- vt->rxsubchans = V4L2_TUNER_SUB_STEREO;
- vt->audmode = V4L2_TUNER_MODE_STEREO;
- vt->signal = 0;
- vt->afc = 0;
- strlcpy(vt->name, "Radio", sizeof(vt->name));
-
- 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 = video_drvdata(file);
-
- if (argp->tuner)
- return -EINVAL;
- 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) / 2; /* Hz */
- freq = clamp(freq, TUNER_FREQ_MIN_FM, TUNER_FREQ_MAX_FM);
-
- 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 = freq * 2 / 125;
-error:
- mutex_unlock(&p->lock);
- return ret;
-}
-
-static int fm_set_freq(struct file *file, void *priv,
- const struct v4l2_frequency *argp)
-{
- struct poseidon *p = video_drvdata(file);
-
- if (argp->tuner)
- return -EINVAL;
- 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_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct poseidon *p = container_of(ctrl->handler, struct poseidon,
- radio_data.ctrl_handler);
- int pre_emphasis;
- u32 status;
-
- switch (ctrl->id) {
- case V4L2_CID_TUNE_PREEMPHASIS:
- pre_emphasis = preemphasis[ctrl->val];
- send_set_req(p, TUNER_AUD_ANA_STD, pre_emphasis, &status);
- p->radio_data.pre_emphasis = pre_emphasis;
- return 0;
- }
- return -EINVAL;
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *vt)
-{
- return vt->index > 0 ? -EINVAL : 0;
-}
-
-static const struct v4l2_ctrl_ops tlg_fm_ctrl_ops = {
- .s_ctrl = tlg_fm_s_ctrl,
-};
-
-static const struct v4l2_ioctl_ops poseidon_fm_ioctl_ops = {
- .vidioc_querycap = vidioc_querycap,
- .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,
- .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
- .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-};
-
-static struct video_device poseidon_fm_template = {
- .name = "Telegent-Radio",
- .fops = &poseidon_fm_fops,
- .minor = -1,
- .release = video_device_release_empty,
- .ioctl_ops = &poseidon_fm_ioctl_ops,
-};
-
-int poseidon_fm_init(struct poseidon *p)
-{
- struct video_device *vfd = &p->radio_data.fm_dev;
- struct v4l2_ctrl_handler *hdl = &p->radio_data.ctrl_handler;
-
- *vfd = poseidon_fm_template;
-
- set_frequency(p, TUNER_FREQ_MIN_FM);
- v4l2_ctrl_handler_init(hdl, 1);
- v4l2_ctrl_new_std_menu(hdl, &tlg_fm_ctrl_ops, V4L2_CID_TUNE_PREEMPHASIS,
- V4L2_PREEMPHASIS_75_uS, 0, V4L2_PREEMPHASIS_50_uS);
- if (hdl->error) {
- v4l2_ctrl_handler_free(hdl);
- return hdl->error;
- }
- vfd->v4l2_dev = &p->v4l2_dev;
- vfd->ctrl_handler = hdl;
- video_set_drvdata(vfd, p);
- return video_register_device(vfd, VFL_TYPE_RADIO, -1);
-}
-
-int poseidon_fm_exit(struct poseidon *p)
-{
- video_unregister_device(&p->radio_data.fm_dev);
- v4l2_ctrl_handler_free(&p->radio_data.ctrl_handler);
- return 0;
-}

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