1 files changed, 0 insertions, 427 deletions
diff --git a/ANDROID_3.4.5/sound/i2c/other/tea575x-tuner.c b/ANDROID_3.4.5/sound/i2c/other/tea575x-tuner.c
deleted file mode 100644
index a63faec5..00000000
--- a/ANDROID_3.4.5/sound/i2c/other/tea575x-tuner.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/*
- *   ALSA driver for TEA5757/5759 Philips AM/FM radio tuner chips
- *
- *	Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
- *
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
- */
-
-#include <asm/io.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-dev.h>
-#include <media/v4l2-fh.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-event.h>
-#include <sound/tea575x-tuner.h>
-
-MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
-MODULE_DESCRIPTION("Routines for control of TEA5757/5759 Philips AM/FM radio tuner chips");
-MODULE_LICENSE("GPL");
-
-#define FREQ_LO		 (76U * 16000)
-#define FREQ_HI		(108U * 16000)
-
-/*
- * definitions
- */
-
-#define TEA575X_BIT_SEARCH	(1<<24)		/* 1 = search action, 0 = tuned */
-#define TEA575X_BIT_UPDOWN	(1<<23)		/* 0 = search down, 1 = search up */
-#define TEA575X_BIT_MONO	(1<<22)		/* 0 = stereo, 1 = mono */
-#define TEA575X_BIT_BAND_MASK	(3<<20)
-#define TEA575X_BIT_BAND_FM	(0<<20)
-#define TEA575X_BIT_BAND_MW	(1<<20)
-#define TEA575X_BIT_BAND_LW	(1<<21)
-#define TEA575X_BIT_BAND_SW	(1<<22)
-#define TEA575X_BIT_PORT_0	(1<<19)		/* user bit */
-#define TEA575X_BIT_PORT_1	(1<<18)		/* user bit */
-#define TEA575X_BIT_SEARCH_MASK	(3<<16)		/* search level */
-#define TEA575X_BIT_SEARCH_5_28	     (0<<16)	/* FM >5uV, AM >28uV */
-#define TEA575X_BIT_SEARCH_10_40     (1<<16)	/* FM >10uV, AM > 40uV */
-#define TEA575X_BIT_SEARCH_30_63     (2<<16)	/* FM >30uV, AM > 63uV */
-#define TEA575X_BIT_SEARCH_150_1000  (3<<16)	/* FM > 150uV, AM > 1000uV */
-#define TEA575X_BIT_DUMMY	(1<<15)		/* buffer */
-#define TEA575X_BIT_FREQ_MASK	0x7fff
-
-/*
- * lowlevel part
- */
-
-static void snd_tea575x_write(struct snd_tea575x *tea, unsigned int val)
-{
-	u16 l;
-	u8 data;
-
-	tea->ops->set_direction(tea, 1);
-	udelay(16);
-
-	for (l = 25; l > 0; l--) {
-		data = (val >> 24) & TEA575X_DATA;
-		val <<= 1;			/* shift data */
-		tea->ops->set_pins(tea, data | TEA575X_WREN);
-		udelay(2);
-		tea->ops->set_pins(tea, data | TEA575X_WREN | TEA575X_CLK);
-		udelay(2);
-		tea->ops->set_pins(tea, data | TEA575X_WREN);
-		udelay(2);
-	}
-
-	if (!tea->mute)
-		tea->ops->set_pins(tea, 0);
-}
-
-static u32 snd_tea575x_read(struct snd_tea575x *tea)
-{
-	u16 l, rdata;
-	u32 data = 0;
-
-	tea->ops->set_direction(tea, 0);
-	tea->ops->set_pins(tea, 0);
-	udelay(16);
-
-	for (l = 24; l--;) {
-		tea->ops->set_pins(tea, TEA575X_CLK);
-		udelay(2);
-		if (!l)
-			tea->tuned = tea->ops->get_pins(tea) & TEA575X_MOST ? 0 : 1;
-		tea->ops->set_pins(tea, 0);
-		udelay(2);
-		data <<= 1;			/* shift data */
-		rdata = tea->ops->get_pins(tea);
-		if (!l)
-			tea->stereo = (rdata & TEA575X_MOST) ?  0 : 1;
-		if (rdata & TEA575X_DATA)
-			data++;
-		udelay(2);
-	}
-
-	if (tea->mute)
-		tea->ops->set_pins(tea, TEA575X_WREN);
-
-	return data;
-}
-
-static u32 snd_tea575x_get_freq(struct snd_tea575x *tea)
-{
-	u32 freq = snd_tea575x_read(tea) & TEA575X_BIT_FREQ_MASK;
-
-	if (freq == 0)
-		return freq;
-
-	/* freq *= 12.5 */
-	freq *= 125;
-	freq /= 10;
-	/* crystal fixup */
-	if (tea->tea5759)
-		freq += TEA575X_FMIF;
-	else
-		freq -= TEA575X_FMIF;
-
-	return clamp(freq * 16, FREQ_LO, FREQ_HI); /* from kHz */
-}
-
-static void snd_tea575x_set_freq(struct snd_tea575x *tea)
-{
-	u32 freq = tea->freq;
-
-	freq /= 16;		/* to kHz */
-	/* crystal fixup */
-	if (tea->tea5759)
-		freq -= TEA575X_FMIF;
-	else
-		freq += TEA575X_FMIF;
-	/* freq /= 12.5 */
-	freq *= 10;
-	freq /= 125;
-
-	tea->val &= ~TEA575X_BIT_FREQ_MASK;
-	tea->val |= freq & TEA575X_BIT_FREQ_MASK;
-	snd_tea575x_write(tea, tea->val);
-}
-
-/*
- * Linux Video interface
- */
-
-static int vidioc_querycap(struct file *file, void  *priv,
-					struct v4l2_capability *v)
-{
-	struct snd_tea575x *tea = video_drvdata(file);
-
-	strlcpy(v->driver, tea->v4l2_dev->name, sizeof(v->driver));
-	strlcpy(v->card, tea->card, sizeof(v->card));
-	strlcat(v->card, tea->tea5759 ? " TEA5759" : " TEA5757", sizeof(v->card));
-	strlcpy(v->bus_info, tea->bus_info, sizeof(v->bus_info));
-	v->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
-	if (!tea->cannot_read_data)
-		v->device_caps |= V4L2_CAP_HW_FREQ_SEEK;
-	v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS;
-	return 0;
-}
-
-static int vidioc_g_tuner(struct file *file, void *priv,
-					struct v4l2_tuner *v)
-{
-	struct snd_tea575x *tea = video_drvdata(file);
-
-	if (v->index > 0)
-		return -EINVAL;
-
-	snd_tea575x_read(tea);
-
-	strcpy(v->name, "FM");
-	v->type = V4L2_TUNER_RADIO;
-	v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
-	v->rangelow = FREQ_LO;
-	v->rangehigh = FREQ_HI;
-	v->rxsubchans = tea->stereo ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
-	v->audmode = (tea->val & TEA575X_BIT_MONO) ?
-		V4L2_TUNER_MODE_MONO : V4L2_TUNER_MODE_STEREO;
-	v->signal = tea->tuned ? 0xffff : 0;
-	return 0;
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv,
-					struct v4l2_tuner *v)
-{
-	struct snd_tea575x *tea = video_drvdata(file);
-
-	if (v->index)
-		return -EINVAL;
-	tea->val &= ~TEA575X_BIT_MONO;
-	if (v->audmode == V4L2_TUNER_MODE_MONO)
-		tea->val |= TEA575X_BIT_MONO;
-	snd_tea575x_write(tea, tea->val);
-	return 0;
-}
-
-static int vidioc_g_frequency(struct file *file, void *priv,
-					struct v4l2_frequency *f)
-{
-	struct snd_tea575x *tea = video_drvdata(file);
-
-	if (f->tuner != 0)
-		return -EINVAL;
-	f->type = V4L2_TUNER_RADIO;
-	f->frequency = tea->freq;
-	return 0;
-}
-
-static int vidioc_s_frequency(struct file *file, void *priv,
-					struct v4l2_frequency *f)
-{
-	struct snd_tea575x *tea = video_drvdata(file);
-
-	if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
-		return -EINVAL;
-
-	tea->val &= ~TEA575X_BIT_SEARCH;
-	tea->freq = clamp(f->frequency, FREQ_LO, FREQ_HI);
-	snd_tea575x_set_freq(tea);
-	return 0;
-}
-
-static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
-					struct v4l2_hw_freq_seek *a)
-{
-	struct snd_tea575x *tea = video_drvdata(file);
-	unsigned long timeout;
-	int i;
-
-	if (tea->cannot_read_data)
-		return -ENOTTY;
-	if (a->tuner || a->wrap_around)
-		return -EINVAL;
-
-	/* clear the frequency, HW will fill it in */
-	tea->val &= ~TEA575X_BIT_FREQ_MASK;
-	tea->val |= TEA575X_BIT_SEARCH;
-	if (a->seek_upward)
-		tea->val |= TEA575X_BIT_UPDOWN;
-	else
-		tea->val &= ~TEA575X_BIT_UPDOWN;
-	snd_tea575x_write(tea, tea->val);
-	timeout = jiffies + msecs_to_jiffies(10000);
-	for (;;) {
-		if (time_after(jiffies, timeout))
-			break;
-		if (schedule_timeout_interruptible(msecs_to_jiffies(10))) {
-			/* some signal arrived, stop search */
-			tea->val &= ~TEA575X_BIT_SEARCH;
-			snd_tea575x_set_freq(tea);
-			return -ERESTARTSYS;
-		}
-		if (!(snd_tea575x_read(tea) & TEA575X_BIT_SEARCH)) {
-			u32 freq;
-
-			/* Found a frequency, wait until it can be read */
-			for (i = 0; i < 100; i++) {
-				msleep(10);
-				freq = snd_tea575x_get_freq(tea);
-				if (freq) /* available */
-					break;
-			}
-			if (freq == 0) /* shouldn't happen */
-				break;
-			/*
-			 * if we moved by less than 50 kHz, or in the wrong
-			 * direction, continue seeking
-			 */
-			if (abs(tea->freq - freq) < 16 * 50 ||
-					(a->seek_upward && freq < tea->freq) ||
-					(!a->seek_upward && freq > tea->freq)) {
-				snd_tea575x_write(tea, tea->val);
-				continue;
-			}
-			tea->freq = freq;
-			tea->val &= ~TEA575X_BIT_SEARCH;
-			return 0;
-		}
-	}
-	tea->val &= ~TEA575X_BIT_SEARCH;
-	snd_tea575x_set_freq(tea);
-	return -EAGAIN;
-}
-
-static int tea575x_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct snd_tea575x *tea = container_of(ctrl->handler, struct snd_tea575x, ctrl_handler);
-
-	switch (ctrl->id) {
-	case V4L2_CID_AUDIO_MUTE:
-		tea->mute = ctrl->val;
-		snd_tea575x_set_freq(tea);
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-static const struct v4l2_file_operations tea575x_fops = {
-	.owner		= THIS_MODULE,
-	.unlocked_ioctl	= video_ioctl2,
-	.open           = v4l2_fh_open,
-	.release        = v4l2_fh_release,
-	.poll           = v4l2_ctrl_poll,
-};
-
-static const struct v4l2_ioctl_ops tea575x_ioctl_ops = {
-	.vidioc_querycap    = vidioc_querycap,
-	.vidioc_g_tuner     = vidioc_g_tuner,
-	.vidioc_s_tuner     = vidioc_s_tuner,
-	.vidioc_g_frequency = vidioc_g_frequency,
-	.vidioc_s_frequency = vidioc_s_frequency,
-	.vidioc_s_hw_freq_seek = vidioc_s_hw_freq_seek,
-	.vidioc_log_status  = v4l2_ctrl_log_status,
-	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
-	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-};
-
-static const struct video_device tea575x_radio = {
-	.fops           = &tea575x_fops,
-	.ioctl_ops 	= &tea575x_ioctl_ops,
-	.release        = video_device_release_empty,
-};
-
-static const struct v4l2_ctrl_ops tea575x_ctrl_ops = {
-	.s_ctrl = tea575x_s_ctrl,
-};
-
-/*
- * initialize all the tea575x chips
- */
-int snd_tea575x_init(struct snd_tea575x *tea)
-{
-	int retval;
-
-	tea->mute = true;
-
-	/* Not all devices can or know how to read the data back.
-	   Such devices can set cannot_read_data to true. */
-	if (!tea->cannot_read_data) {
-		snd_tea575x_write(tea, 0x55AA);
-		if (snd_tea575x_read(tea) != 0x55AA)
-			return -ENODEV;
-	}
-
-	tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_5_28;
-	tea->freq = 90500 * 16;		/* 90.5Mhz default */
-	snd_tea575x_set_freq(tea);
-
-	tea->vd = tea575x_radio;
-	video_set_drvdata(&tea->vd, tea);
-	mutex_init(&tea->mutex);
-	strlcpy(tea->vd.name, tea->v4l2_dev->name, sizeof(tea->vd.name));
-	tea->vd.lock = &tea->mutex;
-	tea->vd.v4l2_dev = tea->v4l2_dev;
-	tea->vd.ctrl_handler = &tea->ctrl_handler;
-	set_bit(V4L2_FL_USE_FH_PRIO, &tea->vd.flags);
-
-	v4l2_ctrl_handler_init(&tea->ctrl_handler, 1);
-	v4l2_ctrl_new_std(&tea->ctrl_handler, &tea575x_ctrl_ops, V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
-	retval = tea->ctrl_handler.error;
-	if (retval) {
-		v4l2_err(tea->v4l2_dev, "can't initialize controls\n");
-		v4l2_ctrl_handler_free(&tea->ctrl_handler);
-		return retval;
-	}
-
-	if (tea->ext_init) {
-		retval = tea->ext_init(tea);
-		if (retval) {
-			v4l2_ctrl_handler_free(&tea->ctrl_handler);
-			return retval;
-		}
-	}
-
-	v4l2_ctrl_handler_setup(&tea->ctrl_handler);
-
-	retval = video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->radio_nr);
-	if (retval) {
-		v4l2_err(tea->v4l2_dev, "can't register video device!\n");
-		v4l2_ctrl_handler_free(&tea->ctrl_handler);
-		return retval;
-	}
-
-	return 0;
-}
-
-void snd_tea575x_exit(struct snd_tea575x *tea)
-{
-	video_unregister_device(&tea->vd);
-	v4l2_ctrl_handler_free(&tea->ctrl_handler);
-}
-
-static int __init alsa_tea575x_module_init(void)
-{
-	return 0;
-}
-
-static void __exit alsa_tea575x_module_exit(void)
-{
-}
-
-module_init(alsa_tea575x_module_init)
-module_exit(alsa_tea575x_module_exit)
-
-EXPORT_SYMBOL(snd_tea575x_init);
-EXPORT_SYMBOL(snd_tea575x_exit);