68 	struct si4713_usb_device *radio = video_drvdata(file);  in vidioc_querycap()  local
70 	strscpy(v->driver, "radio-usb-si4713", sizeof(v->driver));  in vidioc_querycap()
72 	usb_make_path(radio->usbdev, v->bus_info, sizeof(v->bus_info));  in vidioc_querycap()
79 	struct si4713_usb_device *radio = video_drvdata(file);  in vidioc_g_modulator()  local
81 	return v4l2_subdev_call(radio->v4l2_subdev, tuner, g_modulator, vm);  in vidioc_g_modulator()
87 	struct si4713_usb_device *radio = video_drvdata(file);  in vidioc_s_modulator()  local
89 	return v4l2_subdev_call(radio->v4l2_subdev, tuner, s_modulator, vm);  in vidioc_s_modulator()
95 	struct si4713_usb_device *radio = video_drvdata(file);  in vidioc_s_frequency()  local
97 	return v4l2_subdev_call(radio->v4l2_subdev, tuner, s_frequency, vf);  in vidioc_s_frequency()
103 	struct si4713_usb_device *radio = video_drvdata(file);  in vidioc_g_frequency()  local
105 	return v4l2_subdev_call(radio->v4l2_subdev, tuner, g_frequency, vf);  in vidioc_g_frequency()
130 	struct si4713_usb_device *radio = to_si4713_dev(v4l2_dev);  in usb_si4713_video_device_release()  local
131 	struct i2c_adapter *adapter = &radio->i2c_adapter;  in usb_si4713_video_device_release()
134 	v4l2_device_unregister(&radio->v4l2_dev);  in usb_si4713_video_device_release()
135 	kfree(radio->buffer);  in usb_si4713_video_device_release()
136 	kfree(radio);  in usb_si4713_video_device_release()
152 static int si4713_send_startup_command(struct si4713_usb_device *radio)  in si4713_send_startup_command()  argument
155 	u8 *buffer = radio->buffer;  in si4713_send_startup_command()
159 	retval = usb_control_msg(radio->usbdev, usb_sndctrlpipe(radio->usbdev, 0),  in si4713_send_startup_command()
160 					0x09, 0x21, 0x033f, 0, radio->buffer,  in si4713_send_startup_command()
167 		retval = usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),  in si4713_send_startup_command()
168 				0x01, 0xa1, 0x033f, 0, radio->buffer,  in si4713_send_startup_command()
172 		if (!radio->buffer[1]) {  in si4713_send_startup_command()
177 				if (radio->buffer[2] == 0)  in si4713_send_startup_command()
182 				if (radio->buffer[2] & SI4713_CTS)  in si4713_send_startup_command()
186 				if ((radio->buffer[2] & SI4713_CTS) && radio->buffer[9] == 0x08)  in si4713_send_startup_command()
240 static int si4713_start_seq(struct si4713_usb_device *radio)  in si4713_start_seq()  argument
245 	radio->buffer[0] = 0x3f;  in si4713_start_seq()
251 		memcpy(radio->buffer + 1, payload, len);  in si4713_start_seq()
252 		memset(radio->buffer + len + 1, 0, BUFFER_LENGTH - 1 - len);  in si4713_start_seq()
253 		retval = si4713_send_startup_command(radio);  in si4713_start_seq()
293 static int send_command(struct si4713_usb_device *radio, u8 *payload, char *data, int len)  in send_command()  argument
297 	radio->buffer[0] = 0x3f;  in send_command()
298 	radio->buffer[1] = 0x06;  in send_command()
300 	memcpy(radio->buffer + 2, payload, 3);  in send_command()
301 	memcpy(radio->buffer + 5, data, len);  in send_command()
302 	memset(radio->buffer + 5 + len, 0, BUFFER_LENGTH - 5 - len);  in send_command()
305 	retval = usb_control_msg(radio->usbdev, usb_sndctrlpipe(radio->usbdev, 0),  in send_command()
306 					0x09, 0x21, 0x033f, 0, radio->buffer,  in send_command()
312 static int si4713_i2c_read(struct si4713_usb_device *radio, char *data, int len)  in si4713_i2c_read()  argument
319 		retval = usb_control_msg(radio->usbdev,  in si4713_i2c_read()
320 					usb_rcvctrlpipe(radio->usbdev, 0),  in si4713_i2c_read()
321 					0x01, 0xa1, 0x033f, 0, radio->buffer,  in si4713_i2c_read()
333 		if (radio->buffer[1] == 0 && (radio->buffer[2] & SI4713_CTS)) {  in si4713_i2c_read()
334 			memcpy(data, radio->buffer + 2, len);  in si4713_i2c_read()
346 static int si4713_i2c_write(struct si4713_usb_device *radio, char *data, int len)  in si4713_i2c_write()  argument
356 			retval = send_command(radio, command_table[i].payload,  in si4713_i2c_write()
366 	struct si4713_usb_device *radio = i2c_get_adapdata(i2c_adapter);  in si4713_transfer()  local
372 			retval = si4713_i2c_read(radio, msgs[i].buf, msgs[i].len);  in si4713_transfer()
374 			retval = si4713_i2c_write(radio, msgs[i].buf, msgs[i].len);  in si4713_transfer()
400 static int si4713_register_i2c_adapter(struct si4713_usb_device *radio)  in si4713_register_i2c_adapter()  argument
402 	radio->i2c_adapter = si4713_i2c_adapter_template;  in si4713_register_i2c_adapter()
404 	radio->i2c_adapter.dev.parent = &radio->usbdev->dev;  in si4713_register_i2c_adapter()
405 	i2c_set_adapdata(&radio->i2c_adapter, radio);  in si4713_register_i2c_adapter()
407 	return i2c_add_adapter(&radio->i2c_adapter);  in si4713_register_i2c_adapter()
414 	struct si4713_usb_device *radio;  in usb_si4713_probe()  local
423 	radio = kzalloc(sizeof(struct si4713_usb_device), GFP_KERNEL);  in usb_si4713_probe()
424 	if (radio)  in usb_si4713_probe()
425 		radio->buffer = kmalloc(BUFFER_LENGTH, GFP_KERNEL);  in usb_si4713_probe()
427 	if (!radio || !radio->buffer) {  in usb_si4713_probe()
429 		kfree(radio);  in usb_si4713_probe()
433 	mutex_init(&radio->lock);  in usb_si4713_probe()
435 	radio->usbdev = interface_to_usbdev(intf);  in usb_si4713_probe()
436 	radio->intf = intf;  in usb_si4713_probe()
437 	usb_set_intfdata(intf, &radio->v4l2_dev);  in usb_si4713_probe()
439 	retval = si4713_start_seq(radio);  in usb_si4713_probe()
443 	retval = v4l2_device_register(&intf->dev, &radio->v4l2_dev);  in usb_si4713_probe()
449 	retval = si4713_register_i2c_adapter(radio);  in usb_si4713_probe()
455 	adapter = &radio->i2c_adapter;  in usb_si4713_probe()
456 	sd = v4l2_i2c_new_subdev_board(&radio->v4l2_dev, adapter,  in usb_si4713_probe()
458 	radio->v4l2_subdev = sd;  in usb_si4713_probe()
465 	radio->vdev.ctrl_handler = sd->ctrl_handler;  in usb_si4713_probe()
466 	radio->v4l2_dev.release = usb_si4713_video_device_release;  in usb_si4713_probe()
467 	strscpy(radio->vdev.name, radio->v4l2_dev.name,  in usb_si4713_probe()
468 		sizeof(radio->vdev.name));  in usb_si4713_probe()
469 	radio->vdev.v4l2_dev = &radio->v4l2_dev;  in usb_si4713_probe()
470 	radio->vdev.fops = &usb_si4713_fops;  in usb_si4713_probe()
471 	radio->vdev.ioctl_ops = &usb_si4713_ioctl_ops;  in usb_si4713_probe()
472 	radio->vdev.lock = &radio->lock;  in usb_si4713_probe()
473 	radio->vdev.release = video_device_release_empty;  in usb_si4713_probe()
474 	radio->vdev.vfl_dir = VFL_DIR_TX;  in usb_si4713_probe()
475 	radio->vdev.device_caps = V4L2_CAP_MODULATOR | V4L2_CAP_RDS_OUTPUT;  in usb_si4713_probe()
477 	video_set_drvdata(&radio->vdev, radio);  in usb_si4713_probe()
479 	retval = video_register_device(&radio->vdev, VFL_TYPE_RADIO, -1);  in usb_si4713_probe()
486 			video_device_node_name(&radio->vdev));  in usb_si4713_probe()
493 	v4l2_device_unregister(&radio->v4l2_dev);  in usb_si4713_probe()
495 	kfree(radio->buffer);  in usb_si4713_probe()
496 	kfree(radio);  in usb_si4713_probe()
502 	struct si4713_usb_device *radio = to_si4713_dev(usb_get_intfdata(intf));  in usb_si4713_disconnect()  local
506 	mutex_lock(&radio->lock);  in usb_si4713_disconnect()
508 	video_unregister_device(&radio->vdev);  in usb_si4713_disconnect()
509 	v4l2_device_disconnect(&radio->v4l2_dev);  in usb_si4713_disconnect()
510 	mutex_unlock(&radio->lock);  in usb_si4713_disconnect()
511 	v4l2_device_put(&radio->v4l2_dev);  in usb_si4713_disconnect()
516 	.name			= "radio-usb-si4713",