From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
.../drivers/media/radio/wl128x/fmdrv_v4l2.c | 584 ---------------------
1 file changed, 584 deletions(-)
delete mode 100644 ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_v4l2.c
(limited to 'ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_v4l2.c')
diff --git a/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_v4l2.c b/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_v4l2.c
deleted file mode 100644
index 077d369a..00000000
--- a/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_v4l2.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/*
- * FM Driver for Connectivity chip of Texas Instruments.
- * This file provides interfaces to V4L2 subsystem.
- *
- * This module registers with V4L2 subsystem as Radio
- * data system interface (/dev/radio). During the registration,
- * it will expose two set of function pointers.
- *
- * 1) File operation related API (open, close, read, write, poll...etc).
- * 2) Set of V4L2 IOCTL complaint API.
- *
- * Copyright (C) 2011 Texas Instruments
- * Author: Raja Mani <raja_mani@ti.com>
- * Author: Manjunatha Halli <manjunatha_halli@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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 <linux/export.h>
-
-#include "fmdrv.h"
-#include "fmdrv_v4l2.h"
-#include "fmdrv_common.h"
-#include "fmdrv_rx.h"
-#include "fmdrv_tx.h"
-
-static struct video_device *gradio_dev;
-static u8 radio_disconnected;
-
-/* -- V4L2 RADIO (/dev/radioX) device file operation interfaces --- */
-
-/* Read RX RDS data */
-static ssize_t fm_v4l2_fops_read(struct file *file, char __user * buf,
- size_t count, loff_t *ppos)
-{
- u8 rds_mode;
- int ret;
- struct fmdev *fmdev;
-
- fmdev = video_drvdata(file);
-
- if (!radio_disconnected) {
- fmerr("FM device is already disconnected\n");
- return -EIO;
- }
-
- /* Turn on RDS mode , if it is disabled */
- ret = fm_rx_get_rds_mode(fmdev, &rds_mode);
- if (ret < 0) {
- fmerr("Unable to read current rds mode\n");
- return ret;
- }
-
- if (rds_mode == FM_RDS_DISABLE) {
- ret = fmc_set_rds_mode(fmdev, FM_RDS_ENABLE);
- if (ret < 0) {
- fmerr("Failed to enable rds mode\n");
- return ret;
- }
- }
-
- /* Copy RDS data from internal buffer to user buffer */
- return fmc_transfer_rds_from_internal_buff(fmdev, file, buf, count);
-}
-
-/* Write TX RDS data */
-static ssize_t fm_v4l2_fops_write(struct file *file, const char __user * buf,
- size_t count, loff_t *ppos)
-{
- struct tx_rds rds;
- int ret;
- struct fmdev *fmdev;
-
- ret = copy_from_user(&rds, buf, sizeof(rds));
- rds.text[sizeof(rds.text) - 1] = '\0';
- fmdbg("(%d)type: %d, text %s, af %d\n",
- ret, rds.text_type, rds.text, rds.af_freq);
- if (ret)
- return -EFAULT;
-
- fmdev = video_drvdata(file);
- fm_tx_set_radio_text(fmdev, rds.text, rds.text_type);
- fm_tx_set_af(fmdev, rds.af_freq);
-
- return sizeof(rds);
-}
-
-static u32 fm_v4l2_fops_poll(struct file *file, struct poll_table_struct *pts)
-{
- int ret;
- struct fmdev *fmdev;
-
- fmdev = video_drvdata(file);
- ret = fmc_is_rds_data_available(fmdev, file, pts);
- if (ret < 0)
- return POLLIN | POLLRDNORM;
-
- return 0;
-}
-
-/*
- * Handle open request for "/dev/radioX" device.
- * Start with FM RX mode as default.
- */
-static int fm_v4l2_fops_open(struct file *file)
-{
- int ret;
- struct fmdev *fmdev = NULL;
-
- /* Don't allow multiple open */
- if (radio_disconnected) {
- fmerr("FM device is already opened\n");
- return -EBUSY;
- }
-
- fmdev = video_drvdata(file);
-
- ret = fmc_prepare(fmdev);
- if (ret < 0) {
- fmerr("Unable to prepare FM CORE\n");
- return ret;
- }
-
- fmdbg("Load FM RX firmware..\n");
-
- ret = fmc_set_mode(fmdev, FM_MODE_RX);
- if (ret < 0) {
- fmerr("Unable to load FM RX firmware\n");
- return ret;
- }
- radio_disconnected = 1;
-
- return ret;
-}
-
-static int fm_v4l2_fops_release(struct file *file)
-{
- int ret;
- struct fmdev *fmdev;
-
- fmdev = video_drvdata(file);
- if (!radio_disconnected) {
- fmdbg("FM device is already closed\n");
- return 0;
- }
-
- ret = fmc_set_mode(fmdev, FM_MODE_OFF);
- if (ret < 0) {
- fmerr("Unable to turn off the chip\n");
- return ret;
- }
-
- ret = fmc_release(fmdev);
- if (ret < 0) {
- fmerr("FM CORE release failed\n");
- return ret;
- }
- radio_disconnected = 0;
-
- return ret;
-}
-
-/* V4L2 RADIO (/dev/radioX) device IOCTL interfaces */
-static int fm_v4l2_vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *capability)
-{
- strlcpy(capability->driver, FM_DRV_NAME, sizeof(capability->driver));
- strlcpy(capability->card, FM_DRV_CARD_SHORT_NAME,
- sizeof(capability->card));
- sprintf(capability->bus_info, "UART");
- capability->capabilities = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER |
- V4L2_CAP_RADIO | V4L2_CAP_MODULATOR |
- V4L2_CAP_AUDIO | V4L2_CAP_READWRITE |
- V4L2_CAP_RDS_CAPTURE;
-
- return 0;
-}
-
-static int fm_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct fmdev *fmdev = container_of(ctrl->handler,
- struct fmdev, ctrl_handler);
-
- switch (ctrl->id) {
- case V4L2_CID_TUNE_ANTENNA_CAPACITOR:
- ctrl->val = fm_tx_get_tune_cap_val(fmdev);
- break;
- default:
- fmwarn("%s: Unknown IOCTL: %d\n", __func__, ctrl->id);
- break;
- }
-
- return 0;
-}
-
-static int fm_v4l2_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct fmdev *fmdev = container_of(ctrl->handler,
- struct fmdev, ctrl_handler);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_VOLUME: /* set volume */
- return fm_rx_set_volume(fmdev, (u16)ctrl->val);
-
- case V4L2_CID_AUDIO_MUTE: /* set mute */
- return fmc_set_mute_mode(fmdev, (u8)ctrl->val);
-
- case V4L2_CID_TUNE_POWER_LEVEL:
- /* set TX power level - ext control */
- return fm_tx_set_pwr_lvl(fmdev, (u8)ctrl->val);
-
- case V4L2_CID_TUNE_PREEMPHASIS:
- return fm_tx_set_preemph_filter(fmdev, (u8) ctrl->val);
-
- default:
- return -EINVAL;
- }
-}
-
-static int fm_v4l2_vidioc_g_audio(struct file *file, void *priv,
- struct v4l2_audio *audio)
-{
- memset(audio, 0, sizeof(*audio));
- strcpy(audio->name, "Radio");
- audio->capability = V4L2_AUDCAP_STEREO;
-
- return 0;
-}
-
-static int fm_v4l2_vidioc_s_audio(struct file *file, void *priv,
- struct v4l2_audio *audio)
-{
- if (audio->index != 0)
- return -EINVAL;
-
- return 0;
-}
-
-/* Get tuner attributes. If current mode is NOT RX, return error */
-static int fm_v4l2_vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *tuner)
-{
- struct fmdev *fmdev = video_drvdata(file);
- u32 bottom_freq;
- u32 top_freq;
- u16 stereo_mono_mode;
- u16 rssilvl;
- int ret;
-
- if (tuner->index != 0)
- return -EINVAL;
-
- if (fmdev->curr_fmmode != FM_MODE_RX)
- return -EPERM;
-
- ret = fm_rx_get_band_freq_range(fmdev, &bottom_freq, &top_freq);
- if (ret != 0)
- return ret;
-
- ret = fm_rx_get_stereo_mono(fmdev, &stereo_mono_mode);
- if (ret != 0)
- return ret;
-
- ret = fm_rx_get_rssi_level(fmdev, &rssilvl);
- if (ret != 0)
- return ret;
-
- strcpy(tuner->name, "FM");
- tuner->type = V4L2_TUNER_RADIO;
- /* Store rangelow and rangehigh freq in unit of 62.5 Hz */
- tuner->rangelow = bottom_freq * 16;
- tuner->rangehigh = top_freq * 16;
- tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO |
- ((fmdev->rx.rds.flag == FM_RDS_ENABLE) ? V4L2_TUNER_SUB_RDS : 0);
- tuner->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
- V4L2_TUNER_CAP_LOW;
- tuner->audmode = (stereo_mono_mode ?
- V4L2_TUNER_MODE_MONO : V4L2_TUNER_MODE_STEREO);
-
- /*
- * Actual rssi value lies in between -128 to +127.
- * Convert this range from 0 to 255 by adding +128
- */
- rssilvl += 128;
-
- /*
- * Return signal strength value should be within 0 to 65535.
- * Find out correct signal radio by multiplying (65535/255) = 257
- */
- tuner->signal = rssilvl * 257;
- tuner->afc = 0;
-
- return ret;
-}
-
-/*
- * Set tuner attributes. If current mode is NOT RX, set to RX.
- * Currently, we set only audio mode (mono/stereo) and RDS state (on/off).
- * Should we set other tuner attributes, too?
- */
-static int fm_v4l2_vidioc_s_tuner(struct file *file, void *priv,
- struct v4l2_tuner *tuner)
-{
- struct fmdev *fmdev = video_drvdata(file);
- u16 aud_mode;
- u8 rds_mode;
- int ret;
-
- if (tuner->index != 0)
- return -EINVAL;
-
- aud_mode = (tuner->audmode == V4L2_TUNER_MODE_STEREO) ?
- FM_STEREO_MODE : FM_MONO_MODE;
- rds_mode = (tuner->rxsubchans & V4L2_TUNER_SUB_RDS) ?
- FM_RDS_ENABLE : FM_RDS_DISABLE;
-
- if (fmdev->curr_fmmode != FM_MODE_RX) {
- ret = fmc_set_mode(fmdev, FM_MODE_RX);
- if (ret < 0) {
- fmerr("Failed to set RX mode\n");
- return ret;
- }
- }
-
- ret = fmc_set_stereo_mono(fmdev, aud_mode);
- if (ret < 0) {
- fmerr("Failed to set RX stereo/mono mode\n");
- return ret;
- }
-
- ret = fmc_set_rds_mode(fmdev, rds_mode);
- if (ret < 0)
- fmerr("Failed to set RX RDS mode\n");
-
- return ret;
-}
-
-/* Get tuner or modulator radio frequency */
-static int fm_v4l2_vidioc_g_freq(struct file *file, void *priv,
- struct v4l2_frequency *freq)
-{
- struct fmdev *fmdev = video_drvdata(file);
- int ret;
-
- ret = fmc_get_freq(fmdev, &freq->frequency);
- if (ret < 0) {
- fmerr("Failed to get frequency\n");
- return ret;
- }
-
- /* Frequency unit of 62.5 Hz*/
- freq->frequency = (u32) freq->frequency * 16;
-
- return 0;
-}
-
-/* Set tuner or modulator radio frequency */
-static int fm_v4l2_vidioc_s_freq(struct file *file, void *priv,
- struct v4l2_frequency *freq)
-{
- struct fmdev *fmdev = video_drvdata(file);
-
- /*
- * As V4L2_TUNER_CAP_LOW is set 1 user sends the frequency
- * in units of 62.5 Hz.
- */
- freq->frequency = (u32)(freq->frequency / 16);
-
- return fmc_set_freq(fmdev, freq->frequency);
-}
-
-/* Set hardware frequency seek. If current mode is NOT RX, set it RX. */
-static int fm_v4l2_vidioc_s_hw_freq_seek(struct file *file, void *priv,
- struct v4l2_hw_freq_seek *seek)
-{
- struct fmdev *fmdev = video_drvdata(file);
- int ret;
-
- if (fmdev->curr_fmmode != FM_MODE_RX) {
- ret = fmc_set_mode(fmdev, FM_MODE_RX);
- if (ret != 0) {
- fmerr("Failed to set RX mode\n");
- return ret;
- }
- }
-
- ret = fm_rx_seek(fmdev, seek->seek_upward, seek->wrap_around,
- seek->spacing);
- if (ret < 0)
- fmerr("RX seek failed - %d\n", ret);
-
- return ret;
-}
-/* Get modulator attributes. If mode is not TX, return no attributes. */
-static int fm_v4l2_vidioc_g_modulator(struct file *file, void *priv,
- struct v4l2_modulator *mod)
-{
- struct fmdev *fmdev = video_drvdata(file);
-
- if (mod->index != 0)
- return -EINVAL;
-
- if (fmdev->curr_fmmode != FM_MODE_TX)
- return -EPERM;
-
- mod->txsubchans = ((fmdev->tx_data.aud_mode == FM_STEREO_MODE) ?
- V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO) |
- ((fmdev->tx_data.rds.flag == FM_RDS_ENABLE) ?
- V4L2_TUNER_SUB_RDS : 0);
-
- mod->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
- V4L2_TUNER_CAP_LOW;
-
- return 0;
-}
-
-/* Set modulator attributes. If mode is not TX, set to TX. */
-static int fm_v4l2_vidioc_s_modulator(struct file *file, void *priv,
- struct v4l2_modulator *mod)
-{
- struct fmdev *fmdev = video_drvdata(file);
- u8 rds_mode;
- u16 aud_mode;
- int ret;
-
- if (mod->index != 0)
- return -EINVAL;
-
- if (fmdev->curr_fmmode != FM_MODE_TX) {
- ret = fmc_set_mode(fmdev, FM_MODE_TX);
- if (ret != 0) {
- fmerr("Failed to set TX mode\n");
- return ret;
- }
- }
-
- aud_mode = (mod->txsubchans & V4L2_TUNER_SUB_STEREO) ?
- FM_STEREO_MODE : FM_MONO_MODE;
- rds_mode = (mod->txsubchans & V4L2_TUNER_SUB_RDS) ?
- FM_RDS_ENABLE : FM_RDS_DISABLE;
- ret = fm_tx_set_stereo_mono(fmdev, aud_mode);
- if (ret < 0) {
- fmerr("Failed to set mono/stereo mode for TX\n");
- return ret;
- }
- ret = fm_tx_set_rds_mode(fmdev, rds_mode);
- if (ret < 0)
- fmerr("Failed to set rds mode for TX\n");
-
- return ret;
-}
-
-static const struct v4l2_file_operations fm_drv_fops = {
- .owner = THIS_MODULE,
- .read = fm_v4l2_fops_read,
- .write = fm_v4l2_fops_write,
- .poll = fm_v4l2_fops_poll,
- .unlocked_ioctl = video_ioctl2,
- .open = fm_v4l2_fops_open,
- .release = fm_v4l2_fops_release,
-};
-
-static const struct v4l2_ctrl_ops fm_ctrl_ops = {
- .s_ctrl = fm_v4l2_s_ctrl,
- .g_volatile_ctrl = fm_g_volatile_ctrl,
-};
-static const struct v4l2_ioctl_ops fm_drv_ioctl_ops = {
- .vidioc_querycap = fm_v4l2_vidioc_querycap,
- .vidioc_g_audio = fm_v4l2_vidioc_g_audio,
- .vidioc_s_audio = fm_v4l2_vidioc_s_audio,
- .vidioc_g_tuner = fm_v4l2_vidioc_g_tuner,
- .vidioc_s_tuner = fm_v4l2_vidioc_s_tuner,
- .vidioc_g_frequency = fm_v4l2_vidioc_g_freq,
- .vidioc_s_frequency = fm_v4l2_vidioc_s_freq,
- .vidioc_s_hw_freq_seek = fm_v4l2_vidioc_s_hw_freq_seek,
- .vidioc_g_modulator = fm_v4l2_vidioc_g_modulator,
- .vidioc_s_modulator = fm_v4l2_vidioc_s_modulator
-};
-
-/* V4L2 RADIO device parent structure */
-static struct video_device fm_viddev_template = {
- .fops = &fm_drv_fops,
- .ioctl_ops = &fm_drv_ioctl_ops,
- .name = FM_DRV_NAME,
- .release = video_device_release,
-};
-
-int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr)
-{
- struct v4l2_ctrl *ctrl;
- int ret;
-
- /* Init mutex for core locking */
- mutex_init(&fmdev->mutex);
-
- /* Allocate new video device */
- gradio_dev = video_device_alloc();
- if (NULL == gradio_dev) {
- fmerr("Can't allocate video device\n");
- return -ENOMEM;
- }
-
- /* Setup FM driver's V4L2 properties */
- memcpy(gradio_dev, &fm_viddev_template, sizeof(fm_viddev_template));
-
- video_set_drvdata(gradio_dev, fmdev);
-
- gradio_dev->lock = &fmdev->mutex;
-
- /* Register with V4L2 subsystem as RADIO device */
- if (video_register_device(gradio_dev, VFL_TYPE_RADIO, radio_nr)) {
- video_device_release(gradio_dev);
- fmerr("Could not register video device\n");
- return -ENOMEM;
- }
-
- fmdev->radio_dev = gradio_dev;
-
- /* Register to v4l2 ctrl handler framework */
- fmdev->radio_dev->ctrl_handler = &fmdev->ctrl_handler;
-
- ret = v4l2_ctrl_handler_init(&fmdev->ctrl_handler, 5);
- if (ret < 0) {
- fmerr("(fmdev): Can't init ctrl handler\n");
- v4l2_ctrl_handler_free(&fmdev->ctrl_handler);
- return -EBUSY;
- }
-
- /*
- * Following controls are handled by V4L2 control framework.
- * Added in ascending ID order.
- */
- v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
- V4L2_CID_AUDIO_VOLUME, FM_RX_VOLUME_MIN,
- FM_RX_VOLUME_MAX, 1, FM_RX_VOLUME_MAX);
-
- v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
- V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
-
- v4l2_ctrl_new_std_menu(&fmdev->ctrl_handler, &fm_ctrl_ops,
- V4L2_CID_TUNE_PREEMPHASIS, V4L2_PREEMPHASIS_75_uS,
- 0, V4L2_PREEMPHASIS_75_uS);
-
- v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
- V4L2_CID_TUNE_POWER_LEVEL, FM_PWR_LVL_LOW,
- FM_PWR_LVL_HIGH, 1, FM_PWR_LVL_HIGH);
-
- ctrl = v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
- V4L2_CID_TUNE_ANTENNA_CAPACITOR, 0,
- 255, 1, 255);
-
- if (ctrl)
- ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
-
- return 0;
-}
-
-void *fm_v4l2_deinit_video_device(void)
-{
- struct fmdev *fmdev;
-
-
- fmdev = video_get_drvdata(gradio_dev);
-
- /* Unregister to v4l2 ctrl handler framework*/
- v4l2_ctrl_handler_free(&fmdev->ctrl_handler);
-
- /* Unregister RADIO device from V4L2 subsystem */
- video_unregister_device(gradio_dev);
-
- return fmdev;
-}
--
cgit