Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 200 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/au6610.c b/drivers/media/usb/dvb-usb-v2/au6610.c
new file mode 100644
index 000000000..be223fc8a
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/au6610.c
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
+ *
+ * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ */
+
+#include "au6610.h"
+#include "zl10353.h"
+#include "qt1010.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
+			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+	int ret;
+	u16 index;
+	u8 *usb_buf;
+
+	/*
+	 * allocate enough for all known requests,
+	 * read returns 5 and write 6 bytes
+	 */
+	usb_buf = kmalloc(6, GFP_KERNEL);
+	if (!usb_buf)
+		return -ENOMEM;
+
+	switch (wlen) {
+	case 1:
+		index = wbuf[0] << 8;
+		break;
+	case 2:
+		index = wbuf[0] << 8;
+		index += wbuf[1];
+		break;
+	default:
+		dev_err(&d->udev->dev, "%s: wlen=%d, aborting\n",
+				KBUILD_MODNAME, wlen);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
+			      USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index,
+			      usb_buf, 6, AU6610_USB_TIMEOUT);
+
+	dvb_usb_dbg_usb_control_msg(d->udev, operation,
+			(USB_TYPE_VENDOR|USB_DIR_IN), addr << 1, index,
+			usb_buf, 6);
+
+	if (ret < 0)
+		goto error;
+
+	switch (operation) {
+	case AU6610_REQ_I2C_READ:
+	case AU6610_REQ_USB_READ:
+		/* requested value is always 5th byte in buffer */
+		rbuf[0] = usb_buf[4];
+	}
+error:
+	kfree(usb_buf);
+	return ret;
+}
+
+static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
+			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+	u8 request;
+	u8 wo = (rbuf == NULL || rlen == 0); /* write-only */
+
+	if (wo) {
+		request = AU6610_REQ_I2C_WRITE;
+	} else { /* rw */
+		request = AU6610_REQ_I2C_READ;
+	}
+
+	return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
+}
+
+
+/* I2C */
+static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+			   int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int i;
+
+	if (num > 2)
+		return -EINVAL;
+
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	for (i = 0; i < num; i++) {
+		/* write/read request */
+		if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
+			if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
+					   msg[i].len, msg[i+1].buf,
+					   msg[i+1].len) < 0)
+				break;
+			i++;
+		} else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
+					       msg[i].len, NULL, 0) < 0)
+				break;
+	}
+
+	mutex_unlock(&d->i2c_mutex);
+	return i;
+}
+
+
+static u32 au6610_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm au6610_i2c_algo = {
+	.master_xfer   = au6610_i2c_xfer,
+	.functionality = au6610_i2c_func,
+};
+
+/* Callbacks for DVB USB */
+static struct zl10353_config au6610_zl10353_config = {
+	.demod_address = 0x0f,
+	.no_tuner = 1,
+	.parallel_ts = 1,
+};
+
+static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	adap->fe[0] = dvb_attach(zl10353_attach, &au6610_zl10353_config,
+			&adap_to_d(adap)->i2c_adap);
+	if (adap->fe[0] == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+static struct qt1010_config au6610_qt1010_config = {
+	.i2c_address = 0x62
+};
+
+static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	return dvb_attach(qt1010_attach, adap->fe[0],
+			&adap_to_d(adap)->i2c_adap,
+			&au6610_qt1010_config) == NULL ? -ENODEV : 0;
+}
+
+static int au6610_init(struct dvb_usb_device *d)
+{
+	/* TODO: this functionality belongs likely to the streaming control */
+	/* bInterfaceNumber 0, bAlternateSetting 5 */
+	return usb_set_interface(d->udev, 0, 5);
+}
+
+static struct dvb_usb_device_properties au6610_props = {
+	.driver_name = KBUILD_MODNAME,
+	.owner = THIS_MODULE,
+	.adapter_nr = adapter_nr,
+
+	.i2c_algo = &au6610_i2c_algo,
+	.frontend_attach = au6610_zl10353_frontend_attach,
+	.tuner_attach = au6610_qt1010_tuner_attach,
+	.init = au6610_init,
+
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.stream = DVB_USB_STREAM_ISOC(0x82, 5, 40, 942, 1),
+		},
+	},
+};
+
+static const struct usb_device_id au6610_id_table[] = {
+	{ DVB_USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110,
+		&au6610_props, "Sigmatek DVB-110", NULL) },
+	{ }
+};
+MODULE_DEVICE_TABLE(usb, au6610_id_table);
+
+static struct usb_driver au6610_driver = {
+	.name = KBUILD_MODNAME,
+	.id_table = au6610_id_table,
+	.probe = dvb_usbv2_probe,
+	.disconnect = dvb_usbv2_disconnect,
+	.suspend = dvb_usbv2_suspend,
+	.resume = dvb_usbv2_resume,
+	.reset_resume = dvb_usbv2_reset_resume,
+	.no_dynamic_id = 1,
+	.soft_unbind = 1,
+};
+
+module_usb_driver(au6610_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");