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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
....@@ -1,23 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * Realtek RTL28xxU DVB USB driver
34  *
45  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
56  * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
67  * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
7
- *
8
- *    This program is free software; you can redistribute it and/or modify
9
- *    it under the terms of the GNU General Public License as published by
10
- *    the Free Software Foundation; either version 2 of the License, or
11
- *    (at your option) any later version.
12
- *
13
- *    This program is distributed in the hope that it will be useful,
14
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
15
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
- *    GNU General Public License for more details.
17
- *
18
- *    You should have received a copy of the GNU General Public License along
19
- *    with this program; if not, write to the Free Software Foundation, Inc.,
20
- *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
218  */
229 
2310 #include "rtl28xxu.h"
....@@ -189,6 +176,10 @@
189176 			ret = -EOPNOTSUPP;
190177 			goto err_mutex_unlock;
191178 		} 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
+			}
192183 			/* method 1 - integrated demod */
193184 			if (msg[0].buf[0] == 0x00) {
194185 				/* return demod page from driver cache */
....@@ -202,6 +193,10 @@
202193 				ret = rtl28xxu_ctrl_msg(d, &req);
203194 			}
204195 		} else if (msg[0].len < 2) {
196
+			if (msg[0].len < 1) {
197
+				ret = -EOPNOTSUPP;
198
+				goto err_mutex_unlock;
199
+			}
205200 			/* method 2 - old I2C */
206201 			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
207202 			req.index = CMD_I2C_RD;
....@@ -230,8 +225,16 @@
230225 			ret = -EOPNOTSUPP;
231226 			goto err_mutex_unlock;
232227 		} else if (msg[0].addr == 0x10) {
228
+			if (msg[0].len < 1) {
229
+				ret = -EOPNOTSUPP;
230
+				goto err_mutex_unlock;
231
+			}
233232 			/* method 1 - integrated demod */
234233 			if (msg[0].buf[0] == 0x00) {
234
+				if (msg[0].len < 2) {
235
+					ret = -EOPNOTSUPP;
236
+					goto err_mutex_unlock;
237
+				}
235238 				/* save demod page for later demod access */
236239 				dev->page = msg[0].buf[1];
237240 				ret = 0;
....@@ -244,6 +247,10 @@
244247 				ret = rtl28xxu_ctrl_msg(d, &req);
245248 			}
246249 		} 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
+			}
247254 			/* method 2 - old I2C */
248255 			req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
249256 			req.index = CMD_I2C_WR;
....@@ -393,6 +400,7 @@
393400 	struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
394401 	struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
395402 	struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
403
+	struct rtl28xxu_req req_cxd2837er = {0xfdd8, CMD_I2C_RD, 1, buf};
396404 	struct rtl28xxu_req req_si2157 = {0x00c0, CMD_I2C_RD, 1, buf};
397405 	struct rtl28xxu_req req_si2168 = {0x00c8, CMD_I2C_RD, 1, buf};
398406 
....@@ -549,7 +557,18 @@
549557 
550558 	/* probe slave demod */
551559 	if (dev->tuner == TUNER_RTL2832_R828D) {
552
-		/* power on MN88472 demod on GPIO0 */
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 */
553572 		ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
554573 		if (ret)
555574 			goto err;
....@@ -562,7 +581,10 @@
562581 		if (ret)
563582 			goto err;
564583 
565
-		/* check MN88472 answers */
584
+		/* slave demod needs some time to wake up */
585
+		msleep(20);
586
+
587
+		/* check slave answers */
566588 		ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
567589 		if (ret == 0 && buf[0] == 0x02) {
568590 			dev_dbg(&d->intf->dev, "MN88472 found\n");
....@@ -574,6 +596,13 @@
574596 		if (ret == 0 && buf[0] == 0x03) {
575597 			dev_dbg(&d->intf->dev, "MN88473 found\n");
576598 			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;
577606 			goto demod_found;
578607 		}
579608 	}
....@@ -696,12 +725,12 @@
696725 
697726 	/* attach demodulator */
698727 	memset(&board_info, 0, sizeof(board_info));
699
-	strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
728
+	strscpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
700729 	board_info.addr = 0x10;
701730 	board_info.platform_data = pdata;
702731 	request_module("%s", board_info.type);
703
-	client = i2c_new_device(&d->i2c_adap, &board_info);
704
-	if (client == NULL || client->dev.driver == NULL) {
732
+	client = i2c_new_client_device(&d->i2c_adap, &board_info);
733
+	if (!i2c_client_has_driver(client)) {
705734 		ret = -ENODEV;
706735 		goto err;
707736 	}
....@@ -917,12 +946,12 @@
917946 
918947 	/* attach demodulator */
919948 	memset(&board_info, 0, sizeof(board_info));
920
-	strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
949
+	strscpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
921950 	board_info.addr = 0x10;
922951 	board_info.platform_data = pdata;
923952 	request_module("%s", board_info.type);
924
-	client = i2c_new_device(&d->i2c_adap, &board_info);
925
-	if (client == NULL || client->dev.driver == NULL) {
953
+	client = i2c_new_client_device(&d->i2c_adap, &board_info);
954
+	if (!i2c_client_has_driver(client)) {
926955 		ret = -ENODEV;
927956 		goto err;
928957 	}
....@@ -956,15 +985,15 @@
956985 
957986 			mn88472_config.fe = &adap->fe[1];
958987 			mn88472_config.i2c_wr_max = 22,
959
-			strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
988
+			strscpy(info.type, "mn88472", I2C_NAME_SIZE);
960989 			mn88472_config.xtal = 20500000;
961990 			mn88472_config.ts_mode = SERIAL_TS_MODE;
962991 			mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
963992 			info.addr = 0x18;
964993 			info.platform_data = &mn88472_config;
965994 			request_module(info.type);
966
-			client = i2c_new_device(&d->i2c_adap, &info);
967
-			if (client == NULL || client->dev.driver == NULL) {
995
+			client = i2c_new_client_device(&d->i2c_adap, &info);
996
+			if (!i2c_client_has_driver(client)) {
968997 				dev->slave_demod = SLAVE_DEMOD_NONE;
969998 				goto err_slave_demod_failed;
970999 			}
....@@ -981,12 +1010,12 @@
9811010 
9821011 			mn88473_config.fe = &adap->fe[1];
9831012 			mn88473_config.i2c_wr_max = 22,
984
-			strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
1013
+			strscpy(info.type, "mn88473", I2C_NAME_SIZE);
9851014 			info.addr = 0x18;
9861015 			info.platform_data = &mn88473_config;
9871016 			request_module(info.type);
988
-			client = i2c_new_device(&d->i2c_adap, &info);
989
-			if (client == NULL || client->dev.driver == NULL) {
1017
+			client = i2c_new_client_device(&d->i2c_adap, &info);
1018
+			if (!i2c_client_has_driver(client)) {
9901019 				dev->slave_demod = SLAVE_DEMOD_NONE;
9911020 				goto err_slave_demod_failed;
9921021 			}
....@@ -998,6 +1027,23 @@
9981027 			}
9991028 
10001029 			dev->i2c_client_slave_demod = client;
1030
+		} else if (dev->slave_demod == SLAVE_DEMOD_CXD2837ER) {
1031
+			struct cxd2841er_config cxd2837er_config = {};
1032
+
1033
+			cxd2837er_config.i2c_addr = 0xd8;
1034
+			cxd2837er_config.xtal = SONY_XTAL_20500;
1035
+			cxd2837er_config.flags = (CXD2841ER_AUTO_IFHZ |
1036
+				CXD2841ER_NO_AGCNEG | CXD2841ER_TSBITS |
1037
+				CXD2841ER_EARLY_TUNE | CXD2841ER_TS_SERIAL);
1038
+			adap->fe[1] = dvb_attach(cxd2841er_attach_t_c,
1039
+						 &cxd2837er_config,
1040
+						 &d->i2c_adap);
1041
+			if (!adap->fe[1]) {
1042
+				dev->slave_demod = SLAVE_DEMOD_NONE;
1043
+				goto err_slave_demod_failed;
1044
+			}
1045
+			adap->fe[1]->id = 1;
1046
+			dev->i2c_client_slave_demod = NULL;
10011047 		} else {
10021048 			struct si2168_config si2168_config = {};
10031049 			struct i2c_adapter *adapter;
....@@ -1007,12 +1053,12 @@
10071053 			si2168_config.ts_mode = SI2168_TS_SERIAL;
10081054 			si2168_config.ts_clock_inv = false;
10091055 			si2168_config.ts_clock_gapped = true;
1010
-			strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1056
+			strscpy(info.type, "si2168", I2C_NAME_SIZE);
10111057 			info.addr = 0x64;
10121058 			info.platform_data = &si2168_config;
10131059 			request_module(info.type);
1014
-			client = i2c_new_device(&d->i2c_adap, &info);
1015
-			if (client == NULL || client->dev.driver == NULL) {
1060
+			client = i2c_new_client_device(&d->i2c_adap, &info);
1061
+			if (!i2c_client_has_driver(client)) {
10161062 				dev->slave_demod = SLAVE_DEMOD_NONE;
10171063 				goto err_slave_demod_failed;
10181064 			}
....@@ -1198,13 +1244,14 @@
11981244 				.clock = 28800000,
11991245 			};
12001246 
1201
-			strlcpy(info.type, "e4000", I2C_NAME_SIZE);
1247
+			strscpy(info.type, "e4000", I2C_NAME_SIZE);
12021248 			info.addr = 0x64;
12031249 			info.platform_data = &e4000_config;
12041250 
12051251 			request_module(info.type);
1206
-			client = i2c_new_device(dev->demod_i2c_adapter, &info);
1207
-			if (client == NULL || client->dev.driver == NULL)
1252
+			client = i2c_new_client_device(dev->demod_i2c_adapter,
1253
+						       &info);
1254
+			if (!i2c_client_has_driver(client))
12081255 				break;
12091256 
12101257 			if (!try_module_get(client->dev.driver->owner)) {
....@@ -1222,13 +1269,13 @@
12221269 			};
12231270 			struct i2c_board_info board_info = {};
12241271 
1225
-			strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
1272
+			strscpy(board_info.type, "fc2580", I2C_NAME_SIZE);
12261273 			board_info.addr = 0x56;
12271274 			board_info.platform_data = &fc2580_pdata;
12281275 			request_module("fc2580");
1229
-			client = i2c_new_device(dev->demod_i2c_adapter,
1230
-						&board_info);
1231
-			if (client == NULL || client->dev.driver == NULL)
1276
+			client = i2c_new_client_device(dev->demod_i2c_adapter,
1277
+						       &board_info);
1278
+			if (!i2c_client_has_driver(client))
12321279 				break;
12331280 			if (!try_module_get(client->dev.driver->owner)) {
12341281 				i2c_unregister_device(client);
....@@ -1253,12 +1300,13 @@
12531300 		if (ret)
12541301 			goto err;
12551302 
1256
-		strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
1303
+		strscpy(board_info.type, "tua9001", I2C_NAME_SIZE);
12571304 		board_info.addr = 0x60;
12581305 		board_info.platform_data = &tua9001_pdata;
12591306 		request_module("tua9001");
1260
-		client = i2c_new_device(dev->demod_i2c_adapter, &board_info);
1261
-		if (client == NULL || client->dev.driver == NULL)
1307
+		client = i2c_new_client_device(dev->demod_i2c_adapter,
1308
+					       &board_info);
1309
+		if (!i2c_client_has_driver(client))
12621310 			break;
12631311 		if (!try_module_get(client->dev.driver->owner)) {
12641312 			i2c_unregister_device(client);
....@@ -1298,12 +1346,12 @@
12981346 				.inversion = false,
12991347 			};
13001348 
1301
-			strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1349
+			strscpy(info.type, "si2157", I2C_NAME_SIZE);
13021350 			info.addr = 0x60;
13031351 			info.platform_data = &si2157_config;
13041352 			request_module(info.type);
1305
-			client = i2c_new_device(&d->i2c_adap, &info);
1306
-			if (client == NULL || client->dev.driver == NULL)
1353
+			client = i2c_new_client_device(&d->i2c_adap, &info);
1354
+			if (!i2c_client_has_driver(client))
13071355 				break;
13081356 
13091357 			if (!try_module_get(client->dev.driver->owner)) {
....@@ -1694,7 +1742,7 @@
16941742 {
16951743 	int ret, i, len;
16961744 	struct rtl28xxu_dev *dev = d->priv;
1697
-	struct ir_raw_event ev;
1745
+	struct ir_raw_event ev = {};
16981746 	u8 buf[128];
16991747 	static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
17001748 		{IR_RX_IF,               0x03, 0xff},
....@@ -1760,16 +1808,13 @@
17601808 	}
17611809 
17621810 	/* pass data to Kernel IR decoder */
1763
-	init_ir_raw_event(&ev);
1764
-
17651811 	for (i = 0; i < len; i++) {
17661812 		ev.pulse = buf[i] >> 7;
1767
-		ev.duration = 50800 * (buf[i] & 0x7f);
1813
+		ev.duration = 51 * (buf[i] & 0x7f);
17681814 		ir_raw_event_store_with_filter(d->rc_dev, &ev);
17691815 	}
17701816 
17711817 	/* 'flush' ir_raw_event_store_with_filter() */
1772
-	ir_raw_event_set_idle(d->rc_dev, true);
17731818 	ir_raw_event_handle(d->rc_dev);
17741819 exit:
17751820 	return ret;
....@@ -1792,6 +1837,8 @@
17921837 	rc->driver_type = RC_DRIVER_IR_RAW;
17931838 	rc->query = rtl2832u_rc_query;
17941839 	rc->interval = 200;
1840
+	/* we program idle len to 0xc0, set timeout to one less */
1841
+	rc->timeout = 0xbf * 51;
17951842 
17961843 	return 0;
17971844 }
....@@ -1942,10 +1989,13 @@
19421989 		&rtl28xxu_props, "Sveon STV27", NULL) },
19431990 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
19441991 		&rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
1992
+	{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_PROLECTRIX_DV107669,
1993
+		&rtl28xxu_props, "PROlectrix DV107669", NULL) },
19451994 
19461995 	/* RTL2832P devices: */
19471996 	{ DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
1948
-		&rtl28xxu_props, "Astrometa DVB-T2", NULL) },
1997
+		&rtl28xxu_props, "Astrometa DVB-T2",
1998
+		RC_MAP_ASTROMETA_T2HYBRID) },
19491999 	{ DVB_USB_DEVICE(0x5654, 0xca42,
19502000 		&rtl28xxu_props, "GoTView MasterHD 3", NULL) },
19512001 	{ }