radio-timb.c revision 5a0e3ad6af8660be21ca98a971cd00f331318c05
1d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors/* 2d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * radio-timb.c Timberdale FPGA Radio driver 3d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * Copyright (c) 2009 Intel Corporation 4d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * 5d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * This program is free software; you can redistribute it and/or modify 6d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * it under the terms of the GNU General Public License version 2 as 7d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * published by the Free Software Foundation. 8d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * 9d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * This program is distributed in the hope that it will be useful, 10d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * but WITHOUT ANY WARRANTY; without even the implied warranty of 11d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * GNU General Public License for more details. 13d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * 14d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * You should have received a copy of the GNU General Public License 15d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * along with this program; if not, write to the Free Software 16d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors */ 18d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 19d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <linux/version.h> 20d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <linux/io.h> 21d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <media/v4l2-ioctl.h> 22d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <media/v4l2-device.h> 23d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <linux/platform_device.h> 24d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <linux/interrupt.h> 255a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 26d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <linux/i2c.h> 27d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#include <media/timb_radio.h> 28d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 29d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors#define DRIVER_NAME "timb-radio" 30d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 31d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstruct timbradio { 32d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timb_radio_platform_data pdata; 33d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_subdev *sd_tuner; 34d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_subdev *sd_dsp; 35d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct video_device video_dev; 36d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_device v4l2_dev; 37d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors}; 38d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 39d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 40d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_querycap(struct file *file, void *priv, 41d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_capability *v) 42d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 43d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors strlcpy(v->driver, DRIVER_NAME, sizeof(v->driver)); 44d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors strlcpy(v->card, "Timberdale Radio", sizeof(v->card)); 45d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors snprintf(v->bus_info, sizeof(v->bus_info), "platform:"DRIVER_NAME); 46d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors v->version = KERNEL_VERSION(0, 0, 1); 47d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO; 48d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return 0; 49d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 50d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 51d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_g_tuner(struct file *file, void *priv, 52d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_tuner *v) 53d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 54d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 55d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_tuner, tuner, g_tuner, v); 56d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 57d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 58d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_s_tuner(struct file *file, void *priv, 59d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_tuner *v) 60d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 61d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 62d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_tuner, tuner, s_tuner, v); 63d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 64d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 65d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_g_input(struct file *filp, void *priv, 66d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors unsigned int *i) 67d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 68d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors *i = 0; 69d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return 0; 70d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 71d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 72d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_s_input(struct file *filp, void *priv, 73d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors unsigned int i) 74d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 75d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return i ? -EINVAL : 0; 76d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 77d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 78d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_g_audio(struct file *file, void *priv, 79d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_audio *a) 80d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 81d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors a->index = 0; 82d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors strlcpy(a->name, "Radio", sizeof(a->name)); 83d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors a->capability = V4L2_AUDCAP_STEREO; 84d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return 0; 85d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 86d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 87d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_s_audio(struct file *file, void *priv, 88d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_audio *a) 89d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 90d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return a->index ? -EINVAL : 0; 91d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 92d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 93d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_s_frequency(struct file *file, void *priv, 94d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_frequency *f) 95d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 96d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 97d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_tuner, tuner, s_frequency, f); 98d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 99d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 100d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_g_frequency(struct file *file, void *priv, 101d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_frequency *f) 102d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 103d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 104d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_tuner, tuner, g_frequency, f); 105d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 106d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 107d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_queryctrl(struct file *file, void *priv, 108d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_queryctrl *qc) 109d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 110d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 111d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_dsp, core, queryctrl, qc); 112d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 113d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 114d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_g_ctrl(struct file *file, void *priv, 115d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_control *ctrl) 116d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 117d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 118d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_dsp, core, g_ctrl, ctrl); 119d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 120d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 121d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int timbradio_vidioc_s_ctrl(struct file *file, void *priv, 122d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct v4l2_control *ctrl) 123d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 124d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = video_drvdata(file); 125d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return v4l2_subdev_call(tr->sd_dsp, core, s_ctrl, ctrl); 126d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 127d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 128d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic const struct v4l2_ioctl_ops timbradio_ioctl_ops = { 129d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_querycap = timbradio_vidioc_querycap, 130d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_g_tuner = timbradio_vidioc_g_tuner, 131d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_s_tuner = timbradio_vidioc_s_tuner, 132d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_g_frequency = timbradio_vidioc_g_frequency, 133d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_s_frequency = timbradio_vidioc_s_frequency, 134d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_g_input = timbradio_vidioc_g_input, 135d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_s_input = timbradio_vidioc_s_input, 136d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_g_audio = timbradio_vidioc_g_audio, 137d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_s_audio = timbradio_vidioc_s_audio, 138d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_queryctrl = timbradio_vidioc_queryctrl, 139d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_g_ctrl = timbradio_vidioc_g_ctrl, 140d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .vidioc_s_ctrl = timbradio_vidioc_s_ctrl 141d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors}; 142d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 143d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic const struct v4l2_file_operations timbradio_fops = { 144d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .owner = THIS_MODULE, 145d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .ioctl = video_ioctl2, 146d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors}; 147d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 148d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int __devinit timbradio_probe(struct platform_device *pdev) 149d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 150d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timb_radio_platform_data *pdata = pdev->dev.platform_data; 151d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr; 152d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors int err; 153d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 154d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors if (!pdata) { 155d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors dev_err(&pdev->dev, "Platform data missing\n"); 156d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors err = -EINVAL; 157d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors goto err; 158d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors } 159d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 160d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr = kzalloc(sizeof(*tr), GFP_KERNEL); 161d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors if (!tr) { 162d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors err = -ENOMEM; 163d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors goto err; 164d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors } 165d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 166d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr->pdata = *pdata; 167d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 168d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors strlcpy(tr->video_dev.name, "Timberdale Radio", 169d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors sizeof(tr->video_dev.name)); 170d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr->video_dev.fops = &timbradio_fops; 171d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr->video_dev.ioctl_ops = &timbradio_ioctl_ops; 172d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr->video_dev.release = video_device_release_empty; 173d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr->video_dev.minor = -1; 174d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 175d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors strlcpy(tr->v4l2_dev.name, DRIVER_NAME, sizeof(tr->v4l2_dev.name)); 176d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors err = v4l2_device_register(NULL, &tr->v4l2_dev); 177d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors if (err) 178d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors goto err_v4l2_dev; 179d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 180d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors tr->video_dev.v4l2_dev = &tr->v4l2_dev; 181d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 182d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors err = video_register_device(&tr->video_dev, VFL_TYPE_RADIO, -1); 183d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors if (err) { 184d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors dev_err(&pdev->dev, "Error reg video\n"); 185d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors goto err_video_req; 186d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors } 187d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 188d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors video_set_drvdata(&tr->video_dev, tr); 189d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 190d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors platform_set_drvdata(pdev, tr); 191d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return 0; 192d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 193d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforserr_video_req: 194d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors video_device_release_empty(&tr->video_dev); 195d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors v4l2_device_unregister(&tr->v4l2_dev); 196d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforserr_v4l2_dev: 197d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors kfree(tr); 198d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforserr: 199d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors dev_err(&pdev->dev, "Failed to register: %d\n", err); 200d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 201d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return err; 202d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 203d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 204d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int __devexit timbradio_remove(struct platform_device *pdev) 205d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 206d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors struct timbradio *tr = platform_get_drvdata(pdev); 207d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 208d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors video_unregister_device(&tr->video_dev); 209d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors video_device_release_empty(&tr->video_dev); 210d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 211d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors v4l2_device_unregister(&tr->v4l2_dev); 212d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 213d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors kfree(tr); 214d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 215d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return 0; 216d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 217d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 218d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic struct platform_driver timbradio_platform_driver = { 219d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .driver = { 220d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .name = DRIVER_NAME, 221d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .owner = THIS_MODULE, 222d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors }, 223d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .probe = timbradio_probe, 224d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors .remove = timbradio_remove, 225d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors}; 226d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 227d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors/*--------------------------------------------------------------------------*/ 228d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 229d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic int __init timbradio_init(void) 230d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 231d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors return platform_driver_register(&timbradio_platform_driver); 232d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 233d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 234d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsstatic void __exit timbradio_exit(void) 235d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors{ 236d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors platform_driver_unregister(&timbradio_platform_driver); 237d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors} 238d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 239d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsmodule_init(timbradio_init); 240d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjforsmodule_exit(timbradio_exit); 241d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard Röjfors 242d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard RöjforsMODULE_DESCRIPTION("Timberdale Radio driver"); 243d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard RöjforsMODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); 244d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard RöjforsMODULE_LICENSE("GPL v2"); 245d44d1f3bfaef71ce27b4fd2284ec528b52617977Richard RöjforsMODULE_ALIAS("platform:"DRIVER_NAME); 246