rtl28xxu.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Realtek RTL28xxU DVB USB driver
   4 *
   5 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
   6 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   7 * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
   8 */
   9
  10#include "rtl28xxu.h"
  11
  12static int rtl28xxu_disable_rc;
  13module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
  14MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
  15DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  16
  17static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
  18{
  19	struct rtl28xxu_dev *dev = d->priv;
  20	int ret;
  21	unsigned int pipe;
  22	u8 requesttype;
  23
  24	mutex_lock(&d->usb_mutex);
  25
  26	if (req->size > sizeof(dev->buf)) {
  27		dev_err(&d->intf->dev, "too large message %u\n", req->size);
  28		ret = -EINVAL;
  29		goto err_mutex_unlock;
  30	}
  31
  32	if (req->index & CMD_WR_FLAG) {
  33		/* write */
  34		memcpy(dev->buf, req->data, req->size);
  35		requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
  36		pipe = usb_sndctrlpipe(d->udev, 0);
  37	} else {
  38		/* read */
  39		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
  40
  41		/*
  42		 * Zero-length transfers must use usb_sndctrlpipe() and
  43		 * rtl28xxu_identify_state() uses a zero-length i2c read
  44		 * command to determine the chip type.
  45		 */
  46		if (req->size)
  47			pipe = usb_rcvctrlpipe(d->udev, 0);
  48		else
  49			pipe = usb_sndctrlpipe(d->udev, 0);
  50	}
  51
  52	ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
  53			req->index, dev->buf, req->size, 1000);
  54	dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
  55			req->index, dev->buf, req->size);
  56	if (ret < 0)
  57		goto err_mutex_unlock;
  58
  59	/* read request, copy returned data to return buf */
  60	if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
  61		memcpy(req->data, dev->buf, req->size);
  62
  63	mutex_unlock(&d->usb_mutex);
  64
  65	return 0;
  66err_mutex_unlock:
  67	mutex_unlock(&d->usb_mutex);
  68	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
  69	return ret;
  70}
  71
  72static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  73{
  74	struct rtl28xxu_req req;
  75
  76	if (reg < 0x3000)
  77		req.index = CMD_USB_WR;
  78	else if (reg < 0x4000)
  79		req.index = CMD_SYS_WR;
  80	else
  81		req.index = CMD_IR_WR;
  82
  83	req.value = reg;
  84	req.size = len;
  85	req.data = val;
  86
  87	return rtl28xxu_ctrl_msg(d, &req);
  88}
  89
  90static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
  91{
  92	struct rtl28xxu_req req;
  93
  94	if (reg < 0x3000)
  95		req.index = CMD_USB_RD;
  96	else if (reg < 0x4000)
  97		req.index = CMD_SYS_RD;
  98	else
  99		req.index = CMD_IR_RD;
 100
 101	req.value = reg;
 102	req.size = len;
 103	req.data = val;
 104
 105	return rtl28xxu_ctrl_msg(d, &req);
 106}
 107
 108static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
 109{
 110	return rtl28xxu_wr_regs(d, reg, &val, 1);
 111}
 112
 113static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
 114{
 115	return rtl28xxu_rd_regs(d, reg, val, 1);
 116}
 117
 118static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
 119		u8 mask)
 120{
 121	int ret;
 122	u8 tmp;
 123
 124	/* no need for read if whole reg is written */
 125	if (mask != 0xff) {
 126		ret = rtl28xxu_rd_reg(d, reg, &tmp);
 127		if (ret)
 128			return ret;
 129
 130		val &= mask;
 131		tmp &= ~mask;
 132		val |= tmp;
 133	}
 134
 135	return rtl28xxu_wr_reg(d, reg, val);
 136}
 137
 138/* I2C */
 139static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 140	int num)
 141{
 142	int ret;
 143	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 144	struct rtl28xxu_dev *dev = d->priv;
 145	struct rtl28xxu_req req;
 146
 147	/*
 148	 * It is not known which are real I2C bus xfer limits, but testing
 149	 * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
 150	 * TODO: find out RTL2832U lens
 151	 */
 152
 153	/*
 154	 * I2C adapter logic looks rather complicated due to fact it handles
 155	 * three different access methods. Those methods are;
 156	 * 1) integrated demod access
 157	 * 2) old I2C access
 158	 * 3) new I2C access
 159	 *
 160	 * Used method is selected in order 1, 2, 3. Method 3 can handle all
 161	 * requests but there is two reasons why not use it always;
 162	 * 1) It is most expensive, usually two USB messages are needed
 163	 * 2) At least RTL2831U does not support it
 164	 *
 165	 * Method 3 is needed in case of I2C write+read (typical register read)
 166	 * where write is more than one byte.
 167	 */
 168
 169	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 170		return -EAGAIN;
 171
 172	if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
 173		(msg[1].flags & I2C_M_RD)) {
 174		if (msg[0].len > 24 || msg[1].len > 24) {
 175			/* TODO: check msg[0].len max */
 176			ret = -EOPNOTSUPP;
 177			goto err_mutex_unlock;
 178		} else if (msg[0].addr == 0x10) {
 179			if (msg[0].len < 1 || msg[1].len < 1) {
 180				ret = -EOPNOTSUPP;
 181				goto err_mutex_unlock;
 182			}
 183			/* method 1 - integrated demod */
 184			if (msg[0].buf[0] == 0x00) {
 185				/* return demod page from driver cache */
 186				msg[1].buf[0] = dev->page;
 187				ret = 0;
 188			} else {
 189				req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 190				req.index = CMD_DEMOD_RD | dev->page;
 191				req.size = msg[1].len;
 192				req.data = &msg[1].buf[0];
 193				ret = rtl28xxu_ctrl_msg(d, &req);
 194			}
 195		} else if (msg[0].len < 2) {
 196			if (msg[0].len < 1) {
 197				ret = -EOPNOTSUPP;
 198				goto err_mutex_unlock;
 199			}
 200			/* method 2 - old I2C */
 201			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 202			req.index = CMD_I2C_RD;
 203			req.size = msg[1].len;
 204			req.data = &msg[1].buf[0];
 205			ret = rtl28xxu_ctrl_msg(d, &req);
 206		} else {
 207			/* method 3 - new I2C */
 208			req.value = (msg[0].addr << 1);
 209			req.index = CMD_I2C_DA_WR;
 210			req.size = msg[0].len;
 211			req.data = msg[0].buf;
 212			ret = rtl28xxu_ctrl_msg(d, &req);
 213			if (ret)
 214				goto err_mutex_unlock;
 215
 216			req.value = (msg[0].addr << 1);
 217			req.index = CMD_I2C_DA_RD;
 218			req.size = msg[1].len;
 219			req.data = msg[1].buf;
 220			ret = rtl28xxu_ctrl_msg(d, &req);
 221		}
 222	} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
 223		if (msg[0].len > 22) {
 224			/* TODO: check msg[0].len max */
 225			ret = -EOPNOTSUPP;
 226			goto err_mutex_unlock;
 227		} else if (msg[0].addr == 0x10) {
 228			if (msg[0].len < 1) {
 229				ret = -EOPNOTSUPP;
 230				goto err_mutex_unlock;
 231			}
 232			/* method 1 - integrated demod */
 233			if (msg[0].buf[0] == 0x00) {
 234				if (msg[0].len < 2) {
 235					ret = -EOPNOTSUPP;
 236					goto err_mutex_unlock;
 237				}
 238				/* save demod page for later demod access */
 239				dev->page = msg[0].buf[1];
 240				ret = 0;
 241			} else {
 242				req.value = (msg[0].buf[0] << 8) |
 243					(msg[0].addr << 1);
 244				req.index = CMD_DEMOD_WR | dev->page;
 245				req.size = msg[0].len-1;
 246				req.data = &msg[0].buf[1];
 247				ret = rtl28xxu_ctrl_msg(d, &req);
 248			}
 249		} else if ((msg[0].len < 23) && (!dev->new_i2c_write)) {
 250			if (msg[0].len < 1) {
 251				ret = -EOPNOTSUPP;
 252				goto err_mutex_unlock;
 253			}
 254			/* method 2 - old I2C */
 255			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
 256			req.index = CMD_I2C_WR;
 257			req.size = msg[0].len-1;
 258			req.data = &msg[0].buf[1];
 259			ret = rtl28xxu_ctrl_msg(d, &req);
 260		} else {
 261			/* method 3 - new I2C */
 262			req.value = (msg[0].addr << 1);
 263			req.index = CMD_I2C_DA_WR;
 264			req.size = msg[0].len;
 265			req.data = msg[0].buf;
 266			ret = rtl28xxu_ctrl_msg(d, &req);
 267		}
 268	} else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
 269		req.value = (msg[0].addr << 1);
 270		req.index = CMD_I2C_DA_RD;
 271		req.size = msg[0].len;
 272		req.data = msg[0].buf;
 273		ret = rtl28xxu_ctrl_msg(d, &req);
 274	} else {
 275		ret = -EOPNOTSUPP;
 276	}
 277
 278	/* Retry failed I2C messages */
 279	if (ret == -EPIPE)
 280		ret = -EAGAIN;
 281
 282err_mutex_unlock:
 283	mutex_unlock(&d->i2c_mutex);
 284
 285	return ret ? ret : num;
 286}
 287
 288static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
 289{
 290	return I2C_FUNC_I2C;
 291}
 292
 293static const struct i2c_algorithm rtl28xxu_i2c_algo = {
 294	.master_xfer   = rtl28xxu_i2c_xfer,
 295	.functionality = rtl28xxu_i2c_func,
 296};
 297
 298static int rtl2831u_read_config(struct dvb_usb_device *d)
 299{
 300	struct rtl28xxu_dev *dev = d_to_priv(d);
 301	int ret;
 302	u8 buf[1];
 303	/* open RTL2831U/RTL2830 I2C gate */
 304	struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
 305	/* tuner probes */
 306	struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
 307	struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
 308
 309	dev_dbg(&d->intf->dev, "\n");
 310
 311	/*
 312	 * RTL2831U GPIOs
 313	 * =========================================================
 314	 * GPIO0 | tuner#0 | 0 off | 1 on  | MXL5005S (?)
 315	 * GPIO2 | LED     | 0 off | 1 on  |
 316	 * GPIO4 | tuner#1 | 0 on  | 1 off | MT2060
 317	 */
 318
 319	/* GPIO direction */
 320	ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
 321	if (ret)
 322		goto err;
 323
 324	/* enable as output GPIO0, GPIO2, GPIO4 */
 325	ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
 326	if (ret)
 327		goto err;
 328
 329	/*
 330	 * Probe used tuner. We need to know used tuner before demod attach
 331	 * since there is some demod params needed to set according to tuner.
 332	 */
 333
 334	/* demod needs some time to wake up */
 335	msleep(20);
 336
 337	dev->tuner_name = "NONE";
 338
 339	/* open demod I2C gate */
 340	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 341	if (ret)
 342		goto err;
 343
 344	/* check QT1010 ID(?) register; reg=0f val=2c */
 345	ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
 346	if (ret == 0 && buf[0] == 0x2c) {
 347		dev->tuner = TUNER_RTL2830_QT1010;
 348		dev->tuner_name = "QT1010";
 349		goto found;
 350	}
 351
 352	/* open demod I2C gate */
 353	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 354	if (ret)
 355		goto err;
 356
 357	/* check MT2060 ID register; reg=00 val=63 */
 358	ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
 359	if (ret == 0 && buf[0] == 0x63) {
 360		dev->tuner = TUNER_RTL2830_MT2060;
 361		dev->tuner_name = "MT2060";
 362		goto found;
 363	}
 364
 365	/* assume MXL5005S */
 366	dev->tuner = TUNER_RTL2830_MXL5005S;
 367	dev->tuner_name = "MXL5005S";
 368	goto found;
 369
 370found:
 371	dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 372
 373	return 0;
 374err:
 375	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 376	return ret;
 377}
 378
 379static int rtl2832u_read_config(struct dvb_usb_device *d)
 380{
 381	struct rtl28xxu_dev *dev = d_to_priv(d);
 382	int ret;
 383	u8 buf[2];
 384	/* open RTL2832U/RTL2832 I2C gate */
 385	struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
 386	/* close RTL2832U/RTL2832 I2C gate */
 387	struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
 388	/* tuner probes */
 389	struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
 390	struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
 391	struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
 392	struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
 393	struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
 394	struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
 395	struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
 396	struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
 397	struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
 398	struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
 399	struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
 400	struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
 401	struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
 402	struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
 403	struct rtl28xxu_req req_cxd2837er = {0xfdd8, CMD_I2C_RD, 1, buf};
 404	struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
 405	struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
 406
 407	dev_dbg(&d->intf->dev, "\n");
 408
 409	/* enable GPIO3 and GPIO6 as output */
 410	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
 411	if (ret)
 412		goto err;
 413
 414	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
 415	if (ret)
 416		goto err;
 417
 418	/*
 419	 * Probe used tuner. We need to know used tuner before demod attach
 420	 * since there is some demod params needed to set according to tuner.
 421	 */
 422
 423	/* open demod I2C gate */
 424	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
 425	if (ret)
 426		goto err;
 427
 428	dev->tuner_name = "NONE";
 429
 430	/* check FC0012 ID register; reg=00 val=a1 */
 431	ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
 432	if (ret == 0 && buf[0] == 0xa1) {
 433		dev->tuner = TUNER_RTL2832_FC0012;
 434		dev->tuner_name = "FC0012";
 435		goto tuner_found;
 436	}
 437
 438	/* check FC0013 ID register; reg=00 val=a3 */
 439	ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
 440	if (ret == 0 && buf[0] == 0xa3) {
 441		dev->tuner = TUNER_RTL2832_FC0013;
 442		dev->tuner_name = "FC0013";
 443		goto tuner_found;
 444	}
 445
 446	/* check MT2266 ID register; reg=00 val=85 */
 447	ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
 448	if (ret == 0 && buf[0] == 0x85) {
 449		dev->tuner = TUNER_RTL2832_MT2266;
 450		dev->tuner_name = "MT2266";
 451		goto tuner_found;
 452	}
 453
 454	/* check FC2580 ID register; reg=01 val=56 */
 455	ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
 456	if (ret == 0 && buf[0] == 0x56) {
 457		dev->tuner = TUNER_RTL2832_FC2580;
 458		dev->tuner_name = "FC2580";
 459		goto tuner_found;
 460	}
 461
 462	/* check MT2063 ID register; reg=00 val=9e || 9c */
 463	ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
 464	if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
 465		dev->tuner = TUNER_RTL2832_MT2063;
 466		dev->tuner_name = "MT2063";
 467		goto tuner_found;
 468	}
 469
 470	/* check MAX3543 ID register; reg=00 val=38 */
 471	ret = rtl28xxu_ctrl_msg(d, &req_max3543);
 472	if (ret == 0 && buf[0] == 0x38) {
 473		dev->tuner = TUNER_RTL2832_MAX3543;
 474		dev->tuner_name = "MAX3543";
 475		goto tuner_found;
 476	}
 477
 478	/* check TUA9001 ID register; reg=7e val=2328 */
 479	ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
 480	if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
 481		dev->tuner = TUNER_RTL2832_TUA9001;
 482		dev->tuner_name = "TUA9001";
 483		goto tuner_found;
 484	}
 485
 486	/* check MXL5007R ID register; reg=d9 val=14 */
 487	ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
 488	if (ret == 0 && buf[0] == 0x14) {
 489		dev->tuner = TUNER_RTL2832_MXL5007T;
 490		dev->tuner_name = "MXL5007T";
 491		goto tuner_found;
 492	}
 493
 494	/* check E4000 ID register; reg=02 val=40 */
 495	ret = rtl28xxu_ctrl_msg(d, &req_e4000);
 496	if (ret == 0 && buf[0] == 0x40) {
 497		dev->tuner = TUNER_RTL2832_E4000;
 498		dev->tuner_name = "E4000";
 499		goto tuner_found;
 500	}
 501
 502	/* check TDA18272 ID register; reg=00 val=c760  */
 503	ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
 504	if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
 505		dev->tuner = TUNER_RTL2832_TDA18272;
 506		dev->tuner_name = "TDA18272";
 507		goto tuner_found;
 508	}
 509
 510	/* check R820T ID register; reg=00 val=69 */
 511	ret = rtl28xxu_ctrl_msg(d, &req_r820t);
 512	if (ret == 0 && buf[0] == 0x69) {
 513		dev->tuner = TUNER_RTL2832_R820T;
 514		dev->tuner_name = "R820T";
 515		goto tuner_found;
 516	}
 517
 518	/* check R828D ID register; reg=00 val=69 */
 519	ret = rtl28xxu_ctrl_msg(d, &req_r828d);
 520	if (ret == 0 && buf[0] == 0x69) {
 521		dev->tuner = TUNER_RTL2832_R828D;
 522		dev->tuner_name = "R828D";
 523		goto tuner_found;
 524	}
 525
 526	/* GPIO0 and GPIO5 to reset Si2157/Si2168 tuner and demod */
 527	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x21);
 528	if (ret)
 529		goto err;
 530
 531	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x21);
 532	if (ret)
 533		goto err;
 534
 535	msleep(50);
 536
 537	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x21, 0x21);
 538	if (ret)
 539		goto err;
 540
 541	ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x21, 0x21);
 542	if (ret)
 543		goto err;
 544
 545	msleep(50);
 546
 547	/* check Si2157 ID register; reg=c0 val=80 */
 548	ret = rtl28xxu_ctrl_msg(d, &req_si2157);
 549	if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 550		dev->tuner = TUNER_RTL2832_SI2157;
 551		dev->tuner_name = "SI2157";
 552		goto tuner_found;
 553	}
 554
 555tuner_found:
 556	dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
 557
 558	/* probe slave demod */
 559	if (dev->tuner == TUNER_RTL2832_R828D) {
 560		/* power off slave demod on GPIO0 to reset CXD2837ER */
 561		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01);
 562		if (ret)
 563			goto err;
 564
 565		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x00, 0x01);
 566		if (ret)
 567			goto err;
 568
 569		msleep(50);
 570
 571		/* power on slave demod on GPIO0 */
 572		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
 573		if (ret)
 574			goto err;
 575
 576		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
 577		if (ret)
 578			goto err;
 579
 580		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
 581		if (ret)
 582			goto err;
 583
 584		/* slave demod needs some time to wake up */
 585		msleep(20);
 586
 587		/* check slave answers */
 588		ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
 589		if (ret == 0 && buf[0] == 0x02) {
 590			dev_dbg(&d->intf->dev, "MN88472 found\n");
 591			dev->slave_demod = SLAVE_DEMOD_MN88472;
 592			goto demod_found;
 593		}
 594
 595		ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
 596		if (ret == 0 && buf[0] == 0x03) {
 597			dev_dbg(&d->intf->dev, "MN88473 found\n");
 598			dev->slave_demod = SLAVE_DEMOD_MN88473;
 599			goto demod_found;
 600		}
 601
 602		ret = rtl28xxu_ctrl_msg(d, &req_cxd2837er);
 603		if (ret == 0 && buf[0] == 0xb1) {
 604			dev_dbg(&d->intf->dev, "CXD2837ER found\n");
 605			dev->slave_demod = SLAVE_DEMOD_CXD2837ER;
 606			goto demod_found;
 607		}
 608	}
 609	if (dev->tuner == TUNER_RTL2832_SI2157) {
 610		/* check Si2168 ID register; reg=c8 val=80 */
 611		ret = rtl28xxu_ctrl_msg(d, &req_si2168);
 612		if (ret == 0 && ((buf[0] & 0x80) == 0x80)) {
 613			dev_dbg(&d->intf->dev, "Si2168 found\n");
 614			dev->slave_demod = SLAVE_DEMOD_SI2168;
 615			goto demod_found;
 616		}
 617	}
 618
 619demod_found:
 620	/* close demod I2C gate */
 621	ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
 622	if (ret < 0)
 623		goto err;
 624
 625	return 0;
 626err:
 627	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 628	return ret;
 629}
 630
 631static int rtl28xxu_read_config(struct dvb_usb_device *d)
 632{
 633	struct rtl28xxu_dev *dev = d_to_priv(d);
 634
 635	if (dev->chip_id == CHIP_ID_RTL2831U)
 636		return rtl2831u_read_config(d);
 637	else
 638		return rtl2832u_read_config(d);
 639}
 640
 641static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
 642{
 643	struct rtl28xxu_dev *dev = d_to_priv(d);
 644	int ret;
 645	struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
 646
 647	dev_dbg(&d->intf->dev, "\n");
 648
 649	/*
 650	 * Detect chip type using I2C command that is not supported
 651	 * by old RTL2831U.
 652	 */
 653	ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
 654	if (ret == -EPIPE) {
 655		dev->chip_id = CHIP_ID_RTL2831U;
 656	} else if (ret == 0) {
 657		dev->chip_id = CHIP_ID_RTL2832U;
 658	} else {
 659		dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
 660		goto err;
 661	}
 662	dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
 663
 664	/* Retry failed I2C messages */
 665	d->i2c_adap.retries = 3;
 666	d->i2c_adap.timeout = msecs_to_jiffies(10);
 667
 668	return WARM;
 669err:
 670	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 671	return ret;
 672}
 673
 674static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
 675	.clk = 28800000,
 676	.spec_inv = 1,
 677	.vtop = 0x20,
 678	.krf = 0x04,
 679	.agc_targ_val = 0x2d,
 680
 681};
 682
 683static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
 684	.clk = 28800000,
 685	.spec_inv = 1,
 686	.vtop = 0x20,
 687	.krf = 0x04,
 688	.agc_targ_val = 0x2d,
 689};
 690
 691static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
 692	.clk = 28800000,
 693	.spec_inv = 0,
 694	.vtop = 0x3f,
 695	.krf = 0x04,
 696	.agc_targ_val = 0x3e,
 697};
 698
 699static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 700{
 701	struct dvb_usb_device *d = adap_to_d(adap);
 702	struct rtl28xxu_dev *dev = d_to_priv(d);
 703	struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
 704	struct i2c_board_info board_info;
 705	struct i2c_client *client;
 706	int ret;
 707
 708	dev_dbg(&d->intf->dev, "\n");
 709
 710	switch (dev->tuner) {
 711	case TUNER_RTL2830_QT1010:
 712		*pdata = rtl2830_qt1010_platform_data;
 713		break;
 714	case TUNER_RTL2830_MT2060:
 715		*pdata = rtl2830_mt2060_platform_data;
 716		break;
 717	case TUNER_RTL2830_MXL5005S:
 718		*pdata = rtl2830_mxl5005s_platform_data;
 719		break;
 720	default:
 721		dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 722		ret = -ENODEV;
 723		goto err;
 724	}
 725
 726	/* attach demodulator */
 727	memset(&board_info, 0, sizeof(board_info));
 728	strscpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
 729	board_info.addr = 0x10;
 730	board_info.platform_data = pdata;
 731	request_module("%s", board_info.type);
 732	client = i2c_new_client_device(&d->i2c_adap, &board_info);
 733	if (!i2c_client_has_driver(client)) {
 734		ret = -ENODEV;
 735		goto err;
 736	}
 737
 738	if (!try_module_get(client->dev.driver->owner)) {
 739		i2c_unregister_device(client);
 740		ret = -ENODEV;
 741		goto err;
 742	}
 743
 744	adap->fe[0] = pdata->get_dvb_frontend(client);
 745	dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 746
 747	dev->i2c_client_demod = client;
 748
 749	return 0;
 750err:
 751	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 752	return ret;
 753}
 754
 755static const struct rtl2832_platform_data rtl2832_fc2580_platform_data = {
 756	.clk = 28800000,
 757	.tuner = TUNER_RTL2832_FC2580,
 758};
 759
 760static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
 761	.clk = 28800000,
 762	.tuner = TUNER_RTL2832_FC0012
 763};
 764
 765static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
 766	.clk = 28800000,
 767	.tuner = TUNER_RTL2832_FC0013
 768};
 769
 770static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
 771	.clk = 28800000,
 772	.tuner = TUNER_RTL2832_TUA9001,
 773};
 774
 775static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
 776	.clk = 28800000,
 777	.tuner = TUNER_RTL2832_E4000,
 778};
 779
 780static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
 781	.clk = 28800000,
 782	.tuner = TUNER_RTL2832_R820T,
 783};
 784
 785static const struct rtl2832_platform_data rtl2832_si2157_platform_data = {
 786	.clk = 28800000,
 787	.tuner = TUNER_RTL2832_SI2157,
 788};
 789
 790static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
 791		int cmd, int arg)
 792{
 793	int ret;
 794	u8 val;
 795
 796	dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 797
 798	switch (cmd) {
 799	case FC_FE_CALLBACK_VHF_ENABLE:
 800		/* set output values */
 801		ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
 802		if (ret)
 803			goto err;
 804
 805		if (arg)
 806			val &= 0xbf; /* set GPIO6 low */
 807		else
 808			val |= 0x40; /* set GPIO6 high */
 809
 810
 811		ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
 812		if (ret)
 813			goto err;
 814		break;
 815	default:
 816		ret = -EINVAL;
 817		goto err;
 818	}
 819	return 0;
 820err:
 821	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 822	return ret;
 823}
 824
 825static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
 826		int cmd, int arg)
 827{
 828	int ret;
 829	u8 val;
 830
 831	dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
 832
 833	/*
 834	 * CEN     always enabled by hardware wiring
 835	 * RESETN  GPIO4
 836	 * RXEN    GPIO1
 837	 */
 838
 839	switch (cmd) {
 840	case TUA9001_CMD_RESETN:
 841		if (arg)
 842			val = (1 << 4);
 843		else
 844			val = (0 << 4);
 845
 846		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
 847		if (ret)
 848			goto err;
 849		break;
 850	case TUA9001_CMD_RXEN:
 851		if (arg)
 852			val = (1 << 1);
 853		else
 854			val = (0 << 1);
 855
 856		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
 857		if (ret)
 858			goto err;
 859		break;
 860	}
 861
 862	return 0;
 863err:
 864	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 865	return ret;
 866}
 867
 868static int rtl2832u_frontend_callback(void *adapter_priv, int component,
 869		int cmd, int arg)
 870{
 871	struct i2c_adapter *adapter = adapter_priv;
 872	struct device *parent = adapter->dev.parent;
 873	struct i2c_adapter *parent_adapter;
 874	struct dvb_usb_device *d;
 875	struct rtl28xxu_dev *dev;
 876
 877	/*
 878	 * All tuners are connected to demod muxed I2C adapter. We have to
 879	 * resolve its parent adapter in order to get handle for this driver
 880	 * private data. That is a bit hackish solution, GPIO or direct driver
 881	 * callback would be better...
 882	 */
 883	if (parent != NULL && parent->type == &i2c_adapter_type)
 884		parent_adapter = to_i2c_adapter(parent);
 885	else
 886		return -EINVAL;
 887
 888	d = i2c_get_adapdata(parent_adapter);
 889	dev = d->priv;
 890
 891	dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
 892		component, cmd, arg);
 893
 894	switch (component) {
 895	case DVB_FRONTEND_COMPONENT_TUNER:
 896		switch (dev->tuner) {
 897		case TUNER_RTL2832_FC0012:
 898			return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
 899		case TUNER_RTL2832_TUA9001:
 900			return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
 901		}
 902	}
 903
 904	return 0;
 905}
 906
 907static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 908{
 909	struct dvb_usb_device *d = adap_to_d(adap);
 910	struct rtl28xxu_dev *dev = d_to_priv(d);
 911	struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
 912	struct i2c_board_info board_info;
 913	struct i2c_client *client;
 914	int ret;
 915
 916	dev_dbg(&d->intf->dev, "\n");
 917
 918	switch (dev->tuner) {
 919	case TUNER_RTL2832_FC0012:
 920		*pdata = rtl2832_fc0012_platform_data;
 921		break;
 922	case TUNER_RTL2832_FC0013:
 923		*pdata = rtl2832_fc0013_platform_data;
 924		break;
 925	case TUNER_RTL2832_FC2580:
 926		*pdata = rtl2832_fc2580_platform_data;
 927		break;
 928	case TUNER_RTL2832_TUA9001:
 929		*pdata = rtl2832_tua9001_platform_data;
 930		break;
 931	case TUNER_RTL2832_E4000:
 932		*pdata = rtl2832_e4000_platform_data;
 933		break;
 934	case TUNER_RTL2832_R820T:
 935	case TUNER_RTL2832_R828D:
 936		*pdata = rtl2832_r820t_platform_data;
 937		break;
 938	case TUNER_RTL2832_SI2157:
 939		*pdata = rtl2832_si2157_platform_data;
 940		break;
 941	default:
 942		dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
 943		ret = -ENODEV;
 944		goto err;
 945	}
 946
 947	/* attach demodulator */
 948	memset(&board_info, 0, sizeof(board_info));
 949	strscpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
 950	board_info.addr = 0x10;
 951	board_info.platform_data = pdata;
 952	request_module("%s", board_info.type);
 953	client = i2c_new_client_device(&d->i2c_adap, &board_info);
 954	if (!i2c_client_has_driver(client)) {
 955		ret = -ENODEV;
 956		goto err;
 957	}
 958
 959	if (!try_module_get(client->dev.driver->owner)) {
 960		i2c_unregister_device(client);
 961		ret = -ENODEV;
 962		goto err;
 963	}
 964
 965	adap->fe[0] = pdata->get_dvb_frontend(client);
 966	dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
 967
 968	dev->i2c_client_demod = client;
 969
 970	/* set fe callback */
 971	adap->fe[0]->callback = rtl2832u_frontend_callback;
 972
 973	if (dev->slave_demod) {
 974		struct i2c_board_info info = {};
 975
 976		/* attach slave demodulator */
 977		if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
 978			struct mn88472_config mn88472_config = {};
 979
 980			mn88472_config.fe = &adap->fe[1];
 981			mn88472_config.i2c_wr_max = 22;
 982			strscpy(info.type, "mn88472", I2C_NAME_SIZE);
 983			mn88472_config.xtal = 20500000;
 984			mn88472_config.ts_mode = SERIAL_TS_MODE;
 985			mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
 986			info.addr = 0x18;
 987			info.platform_data = &mn88472_config;
 988			request_module(info.type);
 989			client = i2c_new_client_device(&d->i2c_adap, &info);
 990			if (!i2c_client_has_driver(client))
 991				goto err_slave_demod_failed;
 992
 993			if (!try_module_get(client->dev.driver->owner)) {
 994				i2c_unregister_device(client);
 995				goto err_slave_demod_failed;
 996			}
 997
 998			dev->i2c_client_slave_demod = client;
 999		} else if (dev->slave_demod == SLAVE_DEMOD_MN88473) {
1000			struct mn88473_config mn88473_config = {};
1001
1002			mn88473_config.fe = &adap->fe[1];
1003			mn88473_config.i2c_wr_max = 22;
1004			strscpy(info.type, "mn88473", I2C_NAME_SIZE);
1005			info.addr = 0x18;
1006			info.platform_data = &mn88473_config;
1007			request_module(info.type);
1008			client = i2c_new_client_device(&d->i2c_adap, &info);
1009			if (!i2c_client_has_driver(client))
1010				goto err_slave_demod_failed;
1011
1012			if (!try_module_get(client->dev.driver->owner)) {
1013				i2c_unregister_device(client);
1014				goto err_slave_demod_failed;
1015			}
1016
1017			dev->i2c_client_slave_demod = client;
1018		} else if (dev->slave_demod == SLAVE_DEMOD_CXD2837ER) {
1019			struct cxd2841er_config cxd2837er_config = {};
1020
1021			cxd2837er_config.i2c_addr = 0xd8;
1022			cxd2837er_config.xtal = SONY_XTAL_20500;
1023			cxd2837er_config.flags = (CXD2841ER_AUTO_IFHZ |
1024				CXD2841ER_NO_AGCNEG | CXD2841ER_TSBITS |
1025				CXD2841ER_EARLY_TUNE | CXD2841ER_TS_SERIAL);
1026			adap->fe[1] = dvb_attach(cxd2841er_attach_t_c,
1027						 &cxd2837er_config,
1028						 &d->i2c_adap);
1029			if (!adap->fe[1])
1030				goto err_slave_demod_failed;
1031			adap->fe[1]->id = 1;
1032			dev->i2c_client_slave_demod = NULL;
1033		} else {
1034			struct si2168_config si2168_config = {};
1035			struct i2c_adapter *adapter;
1036
1037			si2168_config.i2c_adapter = &adapter;
1038			si2168_config.fe = &adap->fe[1];
1039			si2168_config.ts_mode = SI2168_TS_SERIAL;
1040			si2168_config.ts_clock_inv = false;
1041			si2168_config.ts_clock_gapped = true;
1042			strscpy(info.type, "si2168", I2C_NAME_SIZE);
1043			info.addr = 0x64;
1044			info.platform_data = &si2168_config;
1045			request_module(info.type);
1046			client = i2c_new_client_device(&d->i2c_adap, &info);
1047			if (!i2c_client_has_driver(client))
1048				goto err_slave_demod_failed;
1049
1050			if (!try_module_get(client->dev.driver->owner)) {
1051				i2c_unregister_device(client);
1052				goto err_slave_demod_failed;
1053			}
1054
1055			dev->i2c_client_slave_demod = client;
1056
1057			/* for Si2168 devices use only new I2C write method */
1058			dev->new_i2c_write = true;
1059		}
1060	}
1061	return 0;
1062
1063err:
1064	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1065	return ret;
1066
1067err_slave_demod_failed:
1068	/*
1069	 * We continue on reduced mode, without DVB-T2/C, using master
1070	 * demod, when slave demod fails.
1071	 */
1072	dev->slave_demod = SLAVE_DEMOD_NONE;
1073	return 0;
1074}
1075
1076static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
1077{
1078	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1079
1080	if (dev->chip_id == CHIP_ID_RTL2831U)
1081		return rtl2831u_frontend_attach(adap);
1082	else
1083		return rtl2832u_frontend_attach(adap);
1084}
1085
1086static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
1087{
1088	struct dvb_usb_device *d = adap_to_d(adap);
1089	struct rtl28xxu_dev *dev = d_to_priv(d);
1090	struct i2c_client *client;
1091
1092	dev_dbg(&d->intf->dev, "\n");
1093
1094	/* remove I2C slave demod */
1095	client = dev->i2c_client_slave_demod;
1096	if (client) {
1097		module_put(client->dev.driver->owner);
1098		i2c_unregister_device(client);
1099	}
1100
1101	/* remove I2C demod */
1102	client = dev->i2c_client_demod;
1103	if (client) {
1104		module_put(client->dev.driver->owner);
1105		i2c_unregister_device(client);
1106	}
1107
1108	return 0;
1109}
1110
1111static struct qt1010_config rtl28xxu_qt1010_config = {
1112	.i2c_address = 0x62, /* 0xc4 */
1113};
1114
1115static struct mt2060_config rtl28xxu_mt2060_config = {
1116	.i2c_address = 0x60, /* 0xc0 */
1117	.clock_out = 0,
1118};
1119
1120static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
1121	.i2c_address     = 0x63, /* 0xc6 */
1122	.if_freq         = IF_FREQ_4570000HZ,
1123	.xtal_freq       = CRYSTAL_FREQ_16000000HZ,
1124	.agc_mode        = MXL_SINGLE_AGC,
1125	.tracking_filter = MXL_TF_C_H,
1126	.rssi_enable     = MXL_RSSI_ENABLE,
1127	.cap_select      = MXL_CAP_SEL_ENABLE,
1128	.div_out         = MXL_DIV_OUT_4,
1129	.clock_out       = MXL_CLOCK_OUT_DISABLE,
1130	.output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
1131	.top		 = MXL5005S_TOP_25P2,
1132	.mod_mode        = MXL_DIGITAL_MODE,
1133	.if_mode         = MXL_ZERO_IF,
1134	.AgcMasterByte   = 0x00,
1135};
1136
1137static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
1138{
1139	int ret;
1140	struct dvb_usb_device *d = adap_to_d(adap);
1141	struct rtl28xxu_dev *dev = d_to_priv(d);
1142	struct dvb_frontend *fe;
1143
1144	dev_dbg(&d->intf->dev, "\n");
1145
1146	switch (dev->tuner) {
1147	case TUNER_RTL2830_QT1010:
1148		fe = dvb_attach(qt1010_attach, adap->fe[0],
1149				dev->demod_i2c_adapter,
1150				&rtl28xxu_qt1010_config);
1151		break;
1152	case TUNER_RTL2830_MT2060:
1153		fe = dvb_attach(mt2060_attach, adap->fe[0],
1154				dev->demod_i2c_adapter,
1155				&rtl28xxu_mt2060_config, 1220);
1156		break;
1157	case TUNER_RTL2830_MXL5005S:
1158		fe = dvb_attach(mxl5005s_attach, adap->fe[0],
1159				dev->demod_i2c_adapter,
1160				&rtl28xxu_mxl5005s_config);
1161		break;
1162	default:
1163		fe = NULL;
1164		dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1165	}
1166
1167	if (fe == NULL) {
1168		ret = -ENODEV;
1169		goto err;
1170	}
1171
1172	return 0;
1173err:
1174	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1175	return ret;
1176}
1177
1178static const struct fc0012_config rtl2832u_fc0012_config = {
1179	.i2c_address = 0x63, /* 0xc6 >> 1 */
1180	.xtal_freq = FC_XTAL_28_8_MHZ,
1181};
1182
1183static const struct r820t_config rtl2832u_r820t_config = {
1184	.i2c_addr = 0x1a,
1185	.xtal = 28800000,
1186	.max_i2c_msg_len = 2,
1187	.rafael_chip = CHIP_R820T,
1188};
1189
1190static const struct r820t_config rtl2832u_r828d_config = {
1191	.i2c_addr = 0x3a,
1192	.xtal = 16000000,
1193	.max_i2c_msg_len = 2,
1194	.rafael_chip = CHIP_R828D,
1195};
1196
1197static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
1198{
1199	int ret;
1200	struct dvb_usb_device *d = adap_to_d(adap);
1201	struct rtl28xxu_dev *dev = d_to_priv(d);
1202	struct dvb_frontend *fe = NULL;
1203	struct i2c_board_info info;
1204	struct i2c_client *client;
1205	struct v4l2_subdev *subdev = NULL;
1206	struct platform_device *pdev;
1207	struct rtl2832_sdr_platform_data pdata;
1208
1209	dev_dbg(&d->intf->dev, "\n");
1210
1211	memset(&info, 0, sizeof(struct i2c_board_info));
1212	memset(&pdata, 0, sizeof(pdata));
1213
1214	switch (dev->tuner) {
1215	case TUNER_RTL2832_FC0012:
1216		fe = dvb_attach(fc0012_attach, adap->fe[0],
1217			dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
1218
1219		/* since fc0012 includs reading the signal strength delegate
1220		 * that to the tuner driver */
1221		adap->fe[0]->ops.read_signal_strength =
1222				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1223		break;
1224	case TUNER_RTL2832_FC0013:
1225		fe = dvb_attach(fc0013_attach, adap->fe[0],
1226			dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
1227
1228		/* fc0013 also supports signal strength reading */
1229		adap->fe[0]->ops.read_signal_strength =
1230				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1231		break;
1232	case TUNER_RTL2832_E4000: {
1233			struct e4000_config e4000_config = {
1234				.fe = adap->fe[0],
1235				.clock = 28800000,
1236			};
1237
1238			strscpy(info.type, "e4000", I2C_NAME_SIZE);
1239			info.addr = 0x64;
1240			info.platform_data = &e4000_config;
1241
1242			request_module(info.type);
1243			client = i2c_new_client_device(dev->demod_i2c_adapter,
1244						       &info);
1245			if (!i2c_client_has_driver(client))
1246				break;
1247
1248			if (!try_module_get(client->dev.driver->owner)) {
1249				i2c_unregister_device(client);
1250				break;
1251			}
1252
1253			dev->i2c_client_tuner = client;
1254			subdev = i2c_get_clientdata(client);
1255		}
1256		break;
1257	case TUNER_RTL2832_FC2580: {
1258			struct fc2580_platform_data fc2580_pdata = {
1259				.dvb_frontend = adap->fe[0],
1260			};
1261			struct i2c_board_info board_info = {};
1262
1263			strscpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1264			board_info.addr = 0x56;
1265			board_info.platform_data = &fc2580_pdata;
1266			request_module("fc2580");
1267			client = i2c_new_client_device(dev->demod_i2c_adapter,
1268						       &board_info);
1269			if (!i2c_client_has_driver(client))
1270				break;
1271			if (!try_module_get(client->dev.driver->owner)) {
1272				i2c_unregister_device(client);
1273				break;
1274			}
1275			dev->i2c_client_tuner = client;
1276			subdev = fc2580_pdata.get_v4l2_subdev(client);
1277		}
1278		break;
1279	case TUNER_RTL2832_TUA9001: {
1280		struct tua9001_platform_data tua9001_pdata = {
1281			.dvb_frontend = adap->fe[0],
1282		};
1283		struct i2c_board_info board_info = {};
1284
1285		/* enable GPIO1 and GPIO4 as output */
1286		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
1287		if (ret)
1288			goto err;
1289
1290		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
1291		if (ret)
1292			goto err;
1293
1294		strscpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1295		board_info.addr = 0x60;
1296		board_info.platform_data = &tua9001_pdata;
1297		request_module("tua9001");
1298		client = i2c_new_client_device(dev->demod_i2c_adapter,
1299					       &board_info);
1300		if (!i2c_client_has_driver(client))
1301			break;
1302		if (!try_module_get(client->dev.driver->owner)) {
1303			i2c_unregister_device(client);
1304			break;
1305		}
1306		dev->i2c_client_tuner = client;
1307		break;
1308	}
1309	case TUNER_RTL2832_R820T:
1310		fe = dvb_attach(r820t_attach, adap->fe[0],
1311				dev->demod_i2c_adapter,
1312				&rtl2832u_r820t_config);
1313
1314		/* Use tuner to get the signal strength */
1315		adap->fe[0]->ops.read_signal_strength =
1316				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1317		break;
1318	case TUNER_RTL2832_R828D:
1319		fe = dvb_attach(r820t_attach, adap->fe[0],
1320				dev->demod_i2c_adapter,
1321				&rtl2832u_r828d_config);
1322		adap->fe[0]->ops.read_signal_strength =
1323				adap->fe[0]->ops.tuner_ops.get_rf_strength;
1324
1325		if (adap->fe[1]) {
1326			fe = dvb_attach(r820t_attach, adap->fe[1],
1327					dev->demod_i2c_adapter,
1328					&rtl2832u_r828d_config);
1329			adap->fe[1]->ops.read_signal_strength =
1330					adap->fe[1]->ops.tuner_ops.get_rf_strength;
1331		}
1332		break;
1333	case TUNER_RTL2832_SI2157: {
1334			struct si2157_config si2157_config = {
1335				.fe = adap->fe[0],
1336				.if_port = 0,
1337				.inversion = false,
1338			};
1339
1340			strscpy(info.type, "si2157", I2C_NAME_SIZE);
1341			info.addr = 0x60;
1342			info.platform_data = &si2157_config;
1343			request_module(info.type);
1344			client = i2c_new_client_device(&d->i2c_adap, &info);
1345			if (!i2c_client_has_driver(client))
1346				break;
1347
1348			if (!try_module_get(client->dev.driver->owner)) {
1349				i2c_unregister_device(client);
1350				break;
1351			}
1352
1353			dev->i2c_client_tuner = client;
1354			subdev = i2c_get_clientdata(client);
1355
1356			/* copy tuner ops for 2nd FE as tuner is shared */
1357			if (adap->fe[1]) {
1358				adap->fe[1]->tuner_priv =
1359						adap->fe[0]->tuner_priv;
1360				memcpy(&adap->fe[1]->ops.tuner_ops,
1361						&adap->fe[0]->ops.tuner_ops,
1362						sizeof(struct dvb_tuner_ops));
1363			}
1364		}
1365		break;
1366	default:
1367		dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
1368	}
1369	if (fe == NULL && dev->i2c_client_tuner == NULL) {
1370		ret = -ENODEV;
1371		goto err;
1372	}
1373
1374	/* register SDR */
1375	switch (dev->tuner) {
1376	case TUNER_RTL2832_FC2580:
1377	case TUNER_RTL2832_FC0012:
1378	case TUNER_RTL2832_FC0013:
1379	case TUNER_RTL2832_E4000:
1380	case TUNER_RTL2832_R820T:
1381	case TUNER_RTL2832_R828D:
1382		pdata.clk = dev->rtl2832_platform_data.clk;
1383		pdata.tuner = dev->tuner;
1384		pdata.regmap = dev->rtl2832_platform_data.regmap;
1385		pdata.dvb_frontend = adap->fe[0];
1386		pdata.dvb_usb_device = d;
1387		pdata.v4l2_subdev = subdev;
1388
1389		request_module("%s", "rtl2832_sdr");
1390		pdev = platform_device_register_data(&d->intf->dev,
1391						     "rtl2832_sdr",
1392						     PLATFORM_DEVID_AUTO,
1393						     &pdata, sizeof(pdata));
1394		if (IS_ERR(pdev) || pdev->dev.driver == NULL)
1395			break;
1396		dev->platform_device_sdr = pdev;
1397		break;
1398	default:
1399		dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
1400	}
1401
1402	return 0;
1403err:
1404	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1405	return ret;
1406}
1407
1408static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
1409{
1410	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1411
1412	if (dev->chip_id == CHIP_ID_RTL2831U)
1413		return rtl2831u_tuner_attach(adap);
1414	else
1415		return rtl2832u_tuner_attach(adap);
1416}
1417
1418static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
1419{
1420	struct dvb_usb_device *d = adap_to_d(adap);
1421	struct rtl28xxu_dev *dev = d_to_priv(d);
1422	struct i2c_client *client;
1423	struct platform_device *pdev;
1424
1425	dev_dbg(&d->intf->dev, "\n");
1426
1427	/* remove platform SDR */
1428	pdev = dev->platform_device_sdr;
1429	if (pdev)
1430		platform_device_unregister(pdev);
1431
1432	/* remove I2C tuner */
1433	client = dev->i2c_client_tuner;
1434	if (client) {
1435		module_put(client->dev.driver->owner);
1436		i2c_unregister_device(client);
1437	}
1438
1439	return 0;
1440}
1441
1442static int rtl28xxu_init(struct dvb_usb_device *d)
1443{
1444	int ret;
1445	u8 val;
1446
1447	dev_dbg(&d->intf->dev, "\n");
1448
1449	/* init USB endpoints */
1450	ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
1451	if (ret)
1452		goto err;
1453
1454	/* enable DMA and Full Packet Mode*/
1455	val |= 0x09;
1456	ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
1457	if (ret)
1458		goto err;
1459
1460	/* set EPA maximum packet size to 0x0200 */
1461	ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
1462	if (ret)
1463		goto err;
1464
1465	/* change EPA FIFO length */
1466	ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
1467	if (ret)
1468		goto err;
1469
1470	return ret;
1471err:
1472	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1473	return ret;
1474}
1475
1476static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
1477{
1478	int ret;
1479	u8 gpio, sys0, epa_ctl[2];
1480
1481	dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1482
1483	/* demod adc */
1484	ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
1485	if (ret)
1486		goto err;
1487
1488	/* tuner power, read GPIOs */
1489	ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
1490	if (ret)
1491		goto err;
1492
1493	dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1494
1495	if (onoff) {
1496		gpio |= 0x01; /* GPIO0 = 1 */
1497		gpio &= (~0x10); /* GPIO4 = 0 */
1498		gpio |= 0x04; /* GPIO2 = 1, LED on */
1499		sys0 = sys0 & 0x0f;
1500		sys0 |= 0xe0;
1501		epa_ctl[0] = 0x00; /* clear stall */
1502		epa_ctl[1] = 0x00; /* clear reset */
1503	} else {
1504		gpio &= (~0x01); /* GPIO0 = 0 */
1505		gpio |= 0x10; /* GPIO4 = 1 */
1506		gpio &= (~0x04); /* GPIO2 = 1, LED off */
1507		sys0 = sys0 & (~0xc0);
1508		epa_ctl[0] = 0x10; /* set stall */
1509		epa_ctl[1] = 0x02; /* set reset */
1510	}
1511
1512	dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
1513
1514	/* demod adc */
1515	ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
1516	if (ret)
1517		goto err;
1518
1519	/* tuner power, write GPIOs */
1520	ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
1521	if (ret)
1522		goto err;
1523
1524	/* streaming EP: stall & reset */
1525	ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
1526	if (ret)
1527		goto err;
1528
1529	if (onoff)
1530		usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1531
1532	return ret;
1533err:
1534	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1535	return ret;
1536}
1537
1538static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
1539{
1540	int ret;
1541
1542	dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
1543
1544	if (onoff) {
1545		/* GPIO3=1, GPIO4=0 */
1546		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
1547		if (ret)
1548			goto err;
1549
1550		/* suspend? */
1551		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
1552		if (ret)
1553			goto err;
1554
1555		/* enable PLL */
1556		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
1557		if (ret)
1558			goto err;
1559
1560		/* disable reset */
1561		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
1562		if (ret)
1563			goto err;
1564
1565		/* streaming EP: clear stall & reset */
1566		ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
1567		if (ret)
1568			goto err;
1569
1570		ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
1571		if (ret)
1572			goto err;
1573	} else {
1574		/* GPIO4=1 */
1575		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
1576		if (ret)
1577			goto err;
1578
1579		/* disable PLL */
1580		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
1581		if (ret)
1582			goto err;
1583
1584		/* streaming EP: set stall & reset */
1585		ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
1586		if (ret)
1587			goto err;
1588	}
1589
1590	return ret;
1591err:
1592	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1593	return ret;
1594}
1595
1596static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
1597{
1598	struct rtl28xxu_dev *dev = d_to_priv(d);
1599
1600	if (dev->chip_id == CHIP_ID_RTL2831U)
1601		return rtl2831u_power_ctrl(d, onoff);
1602	else
1603		return rtl2832u_power_ctrl(d, onoff);
1604}
1605
1606static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
1607{
1608	struct dvb_usb_device *d = fe_to_d(fe);
1609	struct rtl28xxu_dev *dev = fe_to_priv(fe);
1610	struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1611	int ret;
1612	u8 val;
1613
1614	dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
1615
1616	if (dev->chip_id == CHIP_ID_RTL2831U)
1617		return 0;
1618
1619	if (fe->id == 0) {
1620		/* control internal demod ADC */
1621		if (onoff)
1622			val = 0x48; /* enable ADC */
1623		else
1624			val = 0x00; /* disable ADC */
1625
1626		ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
1627		if (ret)
1628			goto err;
1629	} else if (fe->id == 1) {
1630		/* bypass slave demod TS through master demod */
1631		ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff);
1632		if (ret)
1633			goto err;
1634	}
1635
1636	return 0;
1637err:
1638	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1639	return ret;
1640}
1641
1642#if IS_ENABLED(CONFIG_RC_CORE)
1643static int rtl2831u_rc_query(struct dvb_usb_device *d)
1644{
1645	int ret, i;
1646	struct rtl28xxu_dev *dev = d->priv;
1647	u8 buf[5];
1648	u32 rc_code;
1649	static const struct rtl28xxu_reg_val rc_nec_tab[] = {
1650		{ 0x3033, 0x80 },
1651		{ 0x3020, 0x43 },
1652		{ 0x3021, 0x16 },
1653		{ 0x3022, 0x16 },
1654		{ 0x3023, 0x5a },
1655		{ 0x3024, 0x2d },
1656		{ 0x3025, 0x16 },
1657		{ 0x3026, 0x01 },
1658		{ 0x3028, 0xb0 },
1659		{ 0x3029, 0x04 },
1660		{ 0x302c, 0x88 },
1661		{ 0x302e, 0x13 },
1662		{ 0x3030, 0xdf },
1663		{ 0x3031, 0x05 },
1664	};
1665
1666	/* init remote controller */
1667	if (!dev->rc_active) {
1668		for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
1669			ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
1670					rc_nec_tab[i].val);
1671			if (ret)
1672				goto err;
1673		}
1674		dev->rc_active = true;
1675	}
1676
1677	ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
1678	if (ret)
1679		goto err;
1680
1681	if (buf[4] & 0x01) {
1682		enum rc_proto proto;
1683
1684		if (buf[2] == (u8) ~buf[3]) {
1685			if (buf[0] == (u8) ~buf[1]) {
1686				/* NEC standard (16 bit) */
1687				rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
1688				proto = RC_PROTO_NEC;
1689			} else {
1690				/* NEC extended (24 bit) */
1691				rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
1692							   buf[2]);
1693				proto = RC_PROTO_NECX;
1694			}
1695		} else {
1696			/* NEC full (32 bit) */
1697			rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
1698						    buf[2] << 8  | buf[3]);
1699			proto = RC_PROTO_NEC32;
1700		}
1701
1702		rc_keydown(d->rc_dev, proto, rc_code, 0);
1703
1704		ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1705		if (ret)
1706			goto err;
1707
1708		/* repeated intentionally to avoid extra keypress */
1709		ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
1710		if (ret)
1711			goto err;
1712	}
1713
1714	return ret;
1715err:
1716	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1717	return ret;
1718}
1719
1720static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
1721		struct dvb_usb_rc *rc)
1722{
1723	rc->map_name = RC_MAP_EMPTY;
1724	rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
1725							RC_PROTO_BIT_NEC32;
1726	rc->query = rtl2831u_rc_query;
1727	rc->interval = 400;
1728
1729	return 0;
1730}
1731
1732static int rtl2832u_rc_query(struct dvb_usb_device *d)
1733{
1734	int ret, i, len;
1735	struct rtl28xxu_dev *dev = d->priv;
1736	struct ir_raw_event ev = {};
1737	u8 buf[128];
1738	static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
1739		{IR_RX_IF,               0x03, 0xff},
1740		{IR_RX_BUF_CTRL,         0x80, 0xff},
1741		{IR_RX_CTRL,             0x80, 0xff},
1742	};
1743
1744	/* init remote controller */
1745	if (!dev->rc_active) {
1746		static const struct rtl28xxu_reg_val_mask init_tab[] = {
1747			{SYS_DEMOD_CTL1,         0x00, 0x04},
1748			{SYS_DEMOD_CTL1,         0x00, 0x08},
1749			{USB_CTRL,               0x20, 0x20},
1750			{SYS_GPIO_DIR,           0x00, 0x08},
1751			{SYS_GPIO_OUT_EN,        0x08, 0x08},
1752			{SYS_GPIO_OUT_VAL,       0x08, 0x08},
1753			{IR_MAX_DURATION0,       0xd0, 0xff},
1754			{IR_MAX_DURATION1,       0x07, 0xff},
1755			{IR_IDLE_LEN0,           0xc0, 0xff},
1756			{IR_IDLE_LEN1,           0x00, 0xff},
1757			{IR_GLITCH_LEN,          0x03, 0xff},
1758			{IR_RX_CLK,              0x09, 0xff},
1759			{IR_RX_CFG,              0x1c, 0xff},
1760			{IR_MAX_H_TOL_LEN,       0x1e, 0xff},
1761			{IR_MAX_L_TOL_LEN,       0x1e, 0xff},
1762			{IR_RX_CTRL,             0x80, 0xff},
1763		};
1764
1765		for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
1766			ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
1767					init_tab[i].val, init_tab[i].mask);
1768			if (ret)
1769				goto err;
1770		}
1771
1772		dev->rc_active = true;
1773	}
1774
1775	ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
1776	if (ret)
1777		goto err;
1778
1779	if (buf[0] != 0x83)
1780		goto exit;
1781
1782	ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
1783	if (ret || buf[0] > sizeof(buf))
1784		goto err;
1785
1786	len = buf[0];
1787
1788	/* read raw code from hw */
1789	ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
1790	if (ret)
1791		goto err;
1792
1793	/* let hw receive new code */
1794	for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
1795		ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
1796				refresh_tab[i].val, refresh_tab[i].mask);
1797		if (ret)
1798			goto err;
1799	}
1800
1801	/* pass data to Kernel IR decoder */
1802	for (i = 0; i < len; i++) {
1803		ev.pulse = buf[i] >> 7;
1804		ev.duration = 51 * (buf[i] & 0x7f);
1805		ir_raw_event_store_with_filter(d->rc_dev, &ev);
1806	}
1807
1808	/* 'flush' ir_raw_event_store_with_filter() */
1809	ir_raw_event_handle(d->rc_dev);
1810exit:
1811	return ret;
1812err:
1813	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
1814	return ret;
1815}
1816
1817static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
1818		struct dvb_usb_rc *rc)
1819{
1820	/* disable IR interrupts in order to avoid SDR sample loss */
1821	if (rtl28xxu_disable_rc)
1822		return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
1823
1824	/* load empty to enable rc */
1825	if (!rc->map_name)
1826		rc->map_name = RC_MAP_EMPTY;
1827	rc->allowed_protos = RC_PROTO_BIT_ALL_IR_DECODER;
1828	rc->driver_type = RC_DRIVER_IR_RAW;
1829	rc->query = rtl2832u_rc_query;
1830	rc->interval = 200;
1831	/* we program idle len to 0xc0, set timeout to one less */
1832	rc->timeout = 0xbf * 51;
1833
1834	return 0;
1835}
1836
1837static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
1838		struct dvb_usb_rc *rc)
1839{
1840	struct rtl28xxu_dev *dev = d_to_priv(d);
1841
1842	if (dev->chip_id == CHIP_ID_RTL2831U)
1843		return rtl2831u_get_rc_config(d, rc);
1844	else
1845		return rtl2832u_get_rc_config(d, rc);
1846}
1847#else
1848#define rtl28xxu_get_rc_config NULL
1849#endif
1850
1851static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
1852{
1853	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1854
1855	if (dev->chip_id == CHIP_ID_RTL2831U) {
1856		struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1857
1858		return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1859	} else {
1860		struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1861
1862		return pdata->pid_filter_ctrl(adap->fe[0], onoff);
1863	}
1864}
1865
1866static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
1867			       u16 pid, int onoff)
1868{
1869	struct rtl28xxu_dev *dev = adap_to_priv(adap);
1870
1871	if (dev->chip_id == CHIP_ID_RTL2831U) {
1872		struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
1873
1874		return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1875	} else {
1876		struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
1877
1878		return pdata->pid_filter(adap->fe[0], index, pid, onoff);
1879	}
1880}
1881
1882static const struct dvb_usb_device_properties rtl28xxu_props = {
1883	.driver_name = KBUILD_MODNAME,
1884	.owner = THIS_MODULE,
1885	.adapter_nr = adapter_nr,
1886	.size_of_priv = sizeof(struct rtl28xxu_dev),
1887
1888	.identify_state = rtl28xxu_identify_state,
1889	.power_ctrl = rtl28xxu_power_ctrl,
1890	.frontend_ctrl = rtl28xxu_frontend_ctrl,
1891	.i2c_algo = &rtl28xxu_i2c_algo,
1892	.read_config = rtl28xxu_read_config,
1893	.frontend_attach = rtl28xxu_frontend_attach,
1894	.frontend_detach = rtl28xxu_frontend_detach,
1895	.tuner_attach = rtl28xxu_tuner_attach,
1896	.tuner_detach = rtl28xxu_tuner_detach,
1897	.init = rtl28xxu_init,
1898	.get_rc_config = rtl28xxu_get_rc_config,
1899
1900	.num_adapters = 1,
1901	.adapter = {
1902		{
1903			.caps = DVB_USB_ADAP_HAS_PID_FILTER |
1904				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1905
1906			.pid_filter_count = 32,
1907			.pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
1908			.pid_filter = rtl28xxu_pid_filter,
1909
1910			.stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
1911		},
1912	},
1913};
1914
1915static const struct usb_device_id rtl28xxu_id_table[] = {
1916	/* RTL2831U devices: */
1917	{ DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
1918		&rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
1919	{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
1920		&rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1921	{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
1922		&rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
1923
1924	/* RTL2832U devices: */
1925	{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
1926		&rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1927	{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
1928		&rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
1929	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
1930		&rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
1931	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
1932		&rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
1933	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
1934		&rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
1935	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
1936		&rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
1937	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
1938		&rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
1939	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
1940		&rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
1941	{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
1942		&rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
1943	{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
1944		&rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
1945	{ DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
1946		&rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
1947	{ DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
1948		&rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
1949	{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
1950		&rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
1951	{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
1952		&rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
1953	{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
1954		&rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
1955	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
1956		&rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
1957	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
1958		&rtl28xxu_props, "GIGABYTE U7300", NULL) },
1959	{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
1960		&rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
1961	{ DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
1962		&rtl28xxu_props, "Compro VideoMate U620F", NULL) },
1963	{ DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
1964		&rtl28xxu_props, "Compro VideoMate U650F", NULL) },
1965	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
1966		&rtl28xxu_props, "MaxMedia HU394-T", NULL) },
1967	{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
1968		&rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
1969	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
1970		&rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
1971	{ DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
1972		&rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
1973	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
1974		&rtl28xxu_props, "Peak DVB-T USB", NULL) },
1975	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
1976		&rtl28xxu_props, "Sveon STV20", NULL) },
1977	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
1978		&rtl28xxu_props, "Sveon STV21", NULL) },
1979	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
1980		&rtl28xxu_props, "Sveon STV27", NULL) },
1981	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
1982		&rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1983	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_PROLECTRIX_DV107669,
1984		&rtl28xxu_props, "PROlectrix DV107669", NULL) },
1985
1986	/* RTL2832P devices: */
1987	{ DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1988		&rtl28xxu_props, "Astrometa DVB-T2",
1989		RC_MAP_ASTROMETA_T2HYBRID) },
1990	{ DVB_USB_DEVICE(0x5654, 0xca42,
1991		&rtl28xxu_props, "GoTView MasterHD 3", NULL) },
1992	{ }
1993};
1994MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
1995
1996static struct usb_driver rtl28xxu_usb_driver = {
1997	.name = KBUILD_MODNAME,
1998	.id_table = rtl28xxu_id_table,
1999	.probe = dvb_usbv2_probe,
2000	.disconnect = dvb_usbv2_disconnect,
2001	.suspend = dvb_usbv2_suspend,
2002	.resume = dvb_usbv2_resume,
2003	.reset_resume = dvb_usbv2_reset_resume,
2004	.no_dynamic_id = 1,
2005	.soft_unbind = 1,
2006};
2007
2008module_usb_driver(rtl28xxu_usb_driver);
2009
2010MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
2011MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
2012MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
2013MODULE_LICENSE("GPL");