^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "au6610.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "zl10353.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "qt1010.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) u16 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) u8 *usb_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * allocate enough for all known requests,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * read returns 5 and write 6 bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) usb_buf = kmalloc(6, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) if (!usb_buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) switch (wlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) index = wbuf[0] << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) index = wbuf[0] << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) index += wbuf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) dev_err(&d->udev->dev, "%s: wlen=%d, aborting\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) KBUILD_MODNAME, wlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) usb_buf, 6, AU6610_USB_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) dvb_usb_dbg_usb_control_msg(d->udev, operation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) (USB_TYPE_VENDOR|USB_DIR_IN), addr << 1, index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) usb_buf, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) switch (operation) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) case AU6610_REQ_I2C_READ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) case AU6610_REQ_USB_READ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* requested value is always 5th byte in buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) rbuf[0] = usb_buf[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) kfree(usb_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) u8 request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) u8 wo = (rbuf == NULL || rlen == 0); /* write-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (wo) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) request = AU6610_REQ_I2C_WRITE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) } else { /* rw */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) request = AU6610_REQ_I2C_READ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* I2C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct dvb_usb_device *d = i2c_get_adapdata(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (num > 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) for (i = 0; i < num; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* write/read request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) msg[i].len, msg[i+1].buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) msg[i+1].len) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) } else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) msg[i].len, NULL, 0) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) mutex_unlock(&d->i2c_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static u32 au6610_i2c_func(struct i2c_adapter *adapter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return I2C_FUNC_I2C;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static struct i2c_algorithm au6610_i2c_algo = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .master_xfer = au6610_i2c_xfer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .functionality = au6610_i2c_func,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /* Callbacks for DVB USB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static struct zl10353_config au6610_zl10353_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .demod_address = 0x0f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .no_tuner = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .parallel_ts = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) adap->fe[0] = dvb_attach(zl10353_attach, &au6610_zl10353_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) &adap_to_d(adap)->i2c_adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (adap->fe[0] == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static struct qt1010_config au6610_qt1010_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .i2c_address = 0x62
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return dvb_attach(qt1010_attach, adap->fe[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) &adap_to_d(adap)->i2c_adap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) &au6610_qt1010_config) == NULL ? -ENODEV : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static int au6610_init(struct dvb_usb_device *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /* TODO: this functionality belongs likely to the streaming control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /* bInterfaceNumber 0, bAlternateSetting 5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return usb_set_interface(d->udev, 0, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static struct dvb_usb_device_properties au6610_props = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .driver_name = KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .adapter_nr = adapter_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .i2c_algo = &au6610_i2c_algo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .frontend_attach = au6610_zl10353_frontend_attach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .tuner_attach = au6610_qt1010_tuner_attach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .init = au6610_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .num_adapters = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .adapter = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .stream = DVB_USB_STREAM_ISOC(0x82, 5, 40, 942, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static const struct usb_device_id au6610_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) { DVB_USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) &au6610_props, "Sigmatek DVB-110", NULL) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) MODULE_DEVICE_TABLE(usb, au6610_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static struct usb_driver au6610_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .name = KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) .id_table = au6610_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .probe = dvb_usbv2_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .disconnect = dvb_usbv2_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .suspend = dvb_usbv2_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .resume = dvb_usbv2_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .reset_resume = dvb_usbv2_reset_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .no_dynamic_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .soft_unbind = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) module_usb_driver(au6610_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) MODULE_VERSION("0.1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) MODULE_LICENSE("GPL");