cp210x.c (33fb934a0992440e3d645d3965e71217c185fd6d) cp210x.c (4e9340bb551a5ad664196465ba7620009d835dbc)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
4 *
5 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org)
7 *
8 * Support to set flow control line levels using TIOCMGET and TIOCMSET

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395 u8 bErrorChar;
396 u8 bBreakChar;
397 u8 bEventChar;
398 u8 bXonChar;
399 u8 bXoffChar;
400};
401
402/* CP210X_VENDOR_SPECIFIC values */
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
4 *
5 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org)
7 *
8 * Support to set flow control line levels using TIOCMGET and TIOCMSET

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395 u8 bErrorChar;
396 u8 bBreakChar;
397 u8 bEventChar;
398 u8 bXonChar;
399 u8 bXoffChar;
400};
401
402/* CP210X_VENDOR_SPECIFIC values */
403#define CP210X_GET_FW_VER 0x000E
403#define CP210X_READ_2NCONFIG 0x000E
404#define CP210X_GET_FW_VER_2N 0x0010
405#define CP210X_READ_LATCH 0x00C2
406#define CP210X_GET_PARTNUM 0x370B
407#define CP210X_GET_PORTCONFIG 0x370C
408#define CP210X_GET_DEVICEMODE 0x3711
409#define CP210X_WRITE_LATCH 0x37E1
410

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2103 if (ret < 0) {
2104 dev_warn(&serial->interface->dev,
2105 "querying part number failed\n");
2106 priv->partnum = CP210X_PARTNUM_UNKNOWN;
2107 return;
2108 }
2109
2110 switch (priv->partnum) {
404#define CP210X_READ_2NCONFIG 0x000E
405#define CP210X_GET_FW_VER_2N 0x0010
406#define CP210X_READ_LATCH 0x00C2
407#define CP210X_GET_PARTNUM 0x370B
408#define CP210X_GET_PORTCONFIG 0x370C
409#define CP210X_GET_DEVICEMODE 0x3711
410#define CP210X_WRITE_LATCH 0x37E1
411

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2104 if (ret < 0) {
2105 dev_warn(&serial->interface->dev,
2106 "querying part number failed\n");
2107 priv->partnum = CP210X_PARTNUM_UNKNOWN;
2108 return;
2109 }
2110
2111 switch (priv->partnum) {
2112 case CP210X_PARTNUM_CP2105:
2113 case CP210X_PARTNUM_CP2108:
2114 cp210x_get_fw_version(serial, CP210X_GET_FW_VER);
2115 break;
2111 case CP210X_PARTNUM_CP2102N_QFN28:
2112 case CP210X_PARTNUM_CP2102N_QFN24:
2113 case CP210X_PARTNUM_CP2102N_QFN20:
2114 ret = cp210x_get_fw_version(serial, CP210X_GET_FW_VER_2N);
2115 if (ret)
2116 break;
2117 if (priv->fw_version <= 0x10004)
2118 priv->no_flow_control = true;

--- 47 unchanged lines hidden --- 		2116 case CP210X_PARTNUM_CP2102N_QFN28:
2117 case CP210X_PARTNUM_CP2102N_QFN24:
2118 case CP210X_PARTNUM_CP2102N_QFN20:
2119 ret = cp210x_get_fw_version(serial, CP210X_GET_FW_VER_2N);
2120 if (ret)
2121 break;
2122 if (priv->fw_version <= 0x10004)
2123 priv->no_flow_control = true;

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