diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 2041 |
1 files changed, 1250 insertions, 791 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 7260ec660347..fe2f21d85737 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB FTDI SIO driver * @@ -9,12 +10,7 @@ * Copyright (C) 2002 * Kuba Ober (kuba@mareimbrium.org) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * See Documentation/usb/usb-serial.txt for more information on using this + * See Documentation/usb/usb-serial.rst for more information on using this * driver * * See http://ftdi-usb-sio.sourceforge.net for up to date testing info @@ -33,7 +29,6 @@ #include <linux/kernel.h> #include <linux/errno.h> -#include <linux/init.h> #include <linux/slab.h> #include <linux/tty.h> #include <linux/tty_driver.h> @@ -44,6 +39,7 @@ #include <linux/uaccess.h> #include <linux/usb.h> #include <linux/serial.h> +#include <linux/gpio/driver.h> #include <linux/usb/serial.h> #include "ftdi_sio.h" #include "ftdi_sio_ids.h" @@ -51,26 +47,39 @@ #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>" #define DRIVER_DESC "USB FTDI Serial Converters Driver" -static __u16 vendor = FTDI_VID; -static __u16 product; +enum ftdi_chip_type { + SIO, + FT232A, + FT232B, + FT2232C, + FT232R, + FT232H, + FT2232H, + FT4232H, + FT4232HA, + FT232HP, + FT233HP, + FT2232HP, + FT2233HP, + FT4232HP, + FT4233HP, + FTX, +}; struct ftdi_private { enum ftdi_chip_type chip_type; - /* type of device, either SIO or FT8U232AM */ int baud_base; /* baud base clock for divisor setting */ int custom_divisor; /* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */ - __u16 last_set_data_urb_value ; - /* the last data state set - needed for doing - * a break - */ + u16 last_set_data_value; /* the last data state set - needed for doing + * a break + */ int flags; /* some ASYNC_xxxx flags are supported */ unsigned long last_dtr_rts; /* saved modem control outputs */ char prev_status; /* Used for TIOCMIWAIT */ char transmit_empty; /* If transmitter is empty or not */ - __u16 interface; /* FT2232C, FT2232H or FT4232H port interface - (0 for FT232/245) */ + u16 channel; /* channel index, or 0 for legacy types */ speed_t force_baud; /* if non-zero, force the baud rate to this value */ @@ -80,48 +89,49 @@ struct ftdi_private { unsigned int latency; /* latency setting in use */ unsigned short max_packet_size; struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */ +#ifdef CONFIG_GPIOLIB + struct gpio_chip gc; + struct mutex gpio_lock; /* protects GPIO state */ + bool gpio_registered; /* is the gpiochip in kernel registered */ + bool gpio_used; /* true if the user requested a gpio */ + u8 gpio_altfunc; /* which pins are in gpio mode */ + u8 gpio_output; /* pin directions cache */ + u8 gpio_value; /* pin value for outputs */ +#endif }; -/* struct ftdi_sio_quirk is used by devices requiring special attention. */ -struct ftdi_sio_quirk { +struct ftdi_quirk { int (*probe)(struct usb_serial *); /* Special settings for probed ports. */ void (*port_probe)(struct ftdi_private *); }; static int ftdi_jtag_probe(struct usb_serial *serial); -static int ftdi_mtxorb_hack_setup(struct usb_serial *serial); -static int ftdi_NDI_device_setup(struct usb_serial *serial); static int ftdi_stmclite_probe(struct usb_serial *serial); static int ftdi_8u2232c_probe(struct usb_serial *serial); -static void ftdi_USB_UIRT_setup(struct ftdi_private *priv); -static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv); +static void ftdi_usb_uirt_setup(struct ftdi_private *priv); +static void ftdi_he_tira1_setup(struct ftdi_private *priv); -static struct ftdi_sio_quirk ftdi_jtag_quirk = { +static const struct ftdi_quirk ftdi_jtag_quirk = { .probe = ftdi_jtag_probe, }; -static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = { - .probe = ftdi_mtxorb_hack_setup, -}; - -static struct ftdi_sio_quirk ftdi_NDI_device_quirk = { - .probe = ftdi_NDI_device_setup, +static const struct ftdi_quirk ftdi_ndi_quirk = { }; -static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { - .port_probe = ftdi_USB_UIRT_setup, +static const struct ftdi_quirk ftdi_usb_uirt_quirk = { + .port_probe = ftdi_usb_uirt_setup, }; -static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { - .port_probe = ftdi_HE_TIRA1_setup, +static const struct ftdi_quirk ftdi_he_tira1_quirk = { + .port_probe = ftdi_he_tira1_setup, }; -static struct ftdi_sio_quirk ftdi_stmclite_quirk = { +static const struct ftdi_quirk ftdi_stmclite_quirk = { .probe = ftdi_stmclite_probe, }; -static struct ftdi_sio_quirk ftdi_8u2232c_quirk = { +static const struct ftdi_quirk ftdi_8u2232c_quirk = { .probe = ftdi_8u2232c_probe, }; @@ -144,17 +154,20 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = { /* - * Device ID not listed? Test via module params product/vendor or - * /sys/bus/usb/ftdi_sio/new_id, then send patch/report! + * Device ID not listed? Test it using + * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report. */ -static struct usb_device_id id_table_combined [] = { +static const struct usb_device_id id_table_combined[] = { + { USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, @@ -180,6 +193,13 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) }, { USB_DEVICE(FTDI_VID, FTDI_232H_PID) }, { USB_DEVICE(FTDI_VID, FTDI_FTX_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT2233HP_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT4233HP_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT2232HP_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT4232HP_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT233HP_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT232HP_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FT4232HA_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, @@ -194,6 +214,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, + { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) }, { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, @@ -217,6 +239,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) }, { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) }, { USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) }, @@ -256,14 +279,12 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) }, @@ -302,18 +323,12 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, - { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID), - .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) }, @@ -481,6 +496,39 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) }, { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) }, + { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) }, @@ -540,9 +588,9 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(OCT_VID, OCT_US101_PID) }, { USB_DEVICE(OCT_VID, OCT_DK201_PID) }, { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID), - .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_he_tira1_quirk }, { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID), - .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_usb_uirt_quirk }, { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) }, { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) }, { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) }, @@ -578,8 +626,16 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) }, - { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TIAO_UMPA_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_NT_ORIONLXM_PID, 1) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) }, /* * ELV devices: */ @@ -619,6 +675,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) }, { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) }, { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) }, { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) }, @@ -671,6 +729,12 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) }, @@ -718,49 +782,75 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) }, - { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) }, + { USB_DEVICE(TESTO_VID, TESTO_1_PID) }, + { USB_DEVICE(TESTO_VID, TESTO_3_PID) }, { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, + { USB_DEVICE(FTDI_NDI_VID, FTDI_NDI_EMGUIDE_GEMINI_PID), + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, - { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) }, - { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) }, - { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_RTS01_PID) }, + { USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) }, + { USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) }, { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) }, - { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, CYBER_CORTEX_AV_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FIC_VID, FIC_NEO1973_DEBUG_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_OOCDLINK_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TURTELIZER_PID, 1) }, { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) }, + { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) }, { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) }, /* Papouch devices based on FTDI chip */ @@ -800,16 +890,14 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(ATMEL_VID, STK541_PID) }, { USB_DEVICE(DE_VID, STB_PID) }, { USB_DEVICE(DE_VID, WHT_PID) }, - { USB_DEVICE(ADI_VID, ADI_GNICE_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICE_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICEPLUS_PID, 1) }, { USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID, USB_CLASS_VENDOR_SPEC, USB_SUBCLASS_VENDOR_SPEC, 0x00) }, + { USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) }, { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, - { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(MARVELL_VID, MARVELL_SHEEVAPLUG_PID, 1) }, { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) }, { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) }, { USB_DEVICE(FTDI_VID, PI_C865_PID) }, @@ -832,10 +920,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(PI_VID, PI_1016_PID) }, { USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) }, { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) }, - { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, TI_XDS100V2_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, MARVELL_OPENRD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, TI_XDS100V2_PID, 1) }, { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) }, { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) }, { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) }, @@ -844,18 +930,14 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) }, { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) }, { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) }, - { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_ST_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID, 1) }, { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) }, { USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) }, - { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(IONICS_VID, IONICS_PLUGCOMPUTER_PID, 1) }, { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) }, @@ -868,35 +950,150 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_FHE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) }, - { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(ST_VID, ST_STMCLT_2232_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ST_VID, ST_STMCLT_2232_PID, 1) }, { USB_DEVICE(ST_VID, ST_STMCLT_4232_PID), .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk }, { USB_DEVICE(FTDI_VID, FTDI_RF_R106) }, - { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID, 1) }, { USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) }, /* Crucible Devices */ { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) }, - { }, /* Optional parameter entry */ + { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) }, + /* Cressi Devices */ + { USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) }, + /* Brainboxes Devices */ + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_159_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_235_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_320_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) }, + /* ekey Devices */ + { USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) }, + /* Infineon Devices */ + { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) }, + /* GE Healthcare devices */ + { USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) }, + /* Active Research (Actisense) devices */ + { USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_UID_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_USA_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_NGX_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) }, + /* Belimo Automation devices */ + { USB_DEVICE(FTDI_VID, BELIMO_ZTH_PID) }, + { USB_DEVICE(FTDI_VID, BELIMO_ZIP_PID) }, + /* ICP DAS I-756xU devices */ + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) }, + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) }, + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) }, + { USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(TI_VID, TI_CC3200_LAUNCHPAD_PID, 1) }, + { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) }, + { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) }, + { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, + /* EZPrototypes devices */ + { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) }, + /* Sienna devices */ + { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) }, + { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) }, + /* IDS GmbH devices */ + { USB_DEVICE(IDS_VID, IDS_SI31A_PID) }, + { USB_DEVICE(IDS_VID, IDS_CM31A_PID) }, + /* Omron devices */ + { USB_DEVICE(OMRON_VID, OMRON_CS1W_CIF31_PID) }, + /* U-Blox devices */ + { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) }, + { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(UBLOX_VID, UBLOX_EVK_M101_PID, 2) }, + /* FreeCalypso USB adapters */ + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID, 1) }, + /* GMC devices */ + { USB_DEVICE(GMC_VID, GMC_Z216C_PID) }, + /* Altera USB Blaster 3 */ + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6022_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6025_PID, 2) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6026_PID, 2) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6026_PID, 3) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6029_PID, 2) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602A_PID, 2) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602A_PID, 3) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602C_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602D_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602D_PID, 2) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602E_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602E_PID, 2) }, + { USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602E_PID, 3) }, + /* Abacus Electrics */ + { USB_DEVICE(FTDI_VID, ABACUS_OPTICAL_PROBE_PID) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, id_table_combined); static const char *ftdi_chip_name[] = { - [SIO] = "SIO", /* the serial part of FT8U100AX */ - [FT8U232AM] = "FT8U232AM", - [FT232BM] = "FT232BM", - [FT2232C] = "FT2232C", - [FT232RL] = "FT232RL", - [FT2232H] = "FT2232H", - [FT4232H] = "FT4232H", - [FT232H] = "FT232H", - [FTX] = "FT-X" + [SIO] = "SIO", /* the serial part of FT8U100AX */ + [FT232A] = "FT232A", + [FT232B] = "FT232B", + [FT2232C] = "FT2232C/D", + [FT232R] = "FT232R", + [FT232H] = "FT232H", + [FT2232H] = "FT2232H", + [FT4232H] = "FT4232H", + [FT4232HA] = "FT4232HA", + [FT232HP] = "FT232HP", + [FT233HP] = "FT233HP", + [FT2232HP] = "FT2232HP", + [FT2233HP] = "FT2233HP", + [FT4232HP] = "FT4232HP", + [FT4233HP] = "FT4233HP", + [FTX] = "FT-X", }; @@ -905,79 +1102,15 @@ static const char *ftdi_chip_name[] = { #define FTDI_STATUS_B1_MASK (FTDI_RS_BI) /* End TIOCMIWAIT */ -#define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \ - | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP) - -/* function prototypes for a FTDI serial converter */ -static int ftdi_sio_probe(struct usb_serial *serial, - const struct usb_device_id *id); -static int ftdi_sio_port_probe(struct usb_serial_port *port); -static int ftdi_sio_port_remove(struct usb_serial_port *port); -static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port); -static void ftdi_dtr_rts(struct usb_serial_port *port, int on); -static void ftdi_process_read_urb(struct urb *urb); -static int ftdi_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size); static void ftdi_set_termios(struct tty_struct *tty, - struct usb_serial_port *port, struct ktermios *old); -static int ftdi_tiocmget(struct tty_struct *tty); -static int ftdi_tiocmset(struct tty_struct *tty, - unsigned int set, unsigned int clear); -static int ftdi_ioctl(struct tty_struct *tty, - unsigned int cmd, unsigned long arg); -static void ftdi_break_ctl(struct tty_struct *tty, int break_state); -static bool ftdi_tx_empty(struct usb_serial_port *port); + struct usb_serial_port *port, + const struct ktermios *old_termios); static int ftdi_get_modem_status(struct usb_serial_port *port, unsigned char status[2]); -static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base); -static unsigned short int ftdi_232am_baud_to_divisor(int baud); -static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base); -static __u32 ftdi_232bm_baud_to_divisor(int baud); -static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base); -static __u32 ftdi_2232h_baud_to_divisor(int baud); - -static struct usb_serial_driver ftdi_sio_device = { - .driver = { - .owner = THIS_MODULE, - .name = "ftdi_sio", - }, - .description = "FTDI USB Serial Device", - .id_table = id_table_combined, - .num_ports = 1, - .bulk_in_size = 512, - .bulk_out_size = 256, - .probe = ftdi_sio_probe, - .port_probe = ftdi_sio_port_probe, - .port_remove = ftdi_sio_port_remove, - .open = ftdi_open, - .dtr_rts = ftdi_dtr_rts, - .throttle = usb_serial_generic_throttle, - .unthrottle = usb_serial_generic_unthrottle, - .process_read_urb = ftdi_process_read_urb, - .prepare_write_buffer = ftdi_prepare_write_buffer, - .tiocmget = ftdi_tiocmget, - .tiocmset = ftdi_tiocmset, - .tiocmiwait = usb_serial_generic_tiocmiwait, - .get_icount = usb_serial_generic_get_icount, - .ioctl = ftdi_ioctl, - .set_termios = ftdi_set_termios, - .break_ctl = ftdi_break_ctl, - .tx_empty = ftdi_tx_empty, -}; - -static struct usb_serial_driver * const serial_drivers[] = { - &ftdi_sio_device, NULL -}; - - #define WDR_TIMEOUT 5000 /* default urb timeout */ #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */ -/* High and low are for DTR, RTS etc etc */ -#define HIGH 1 -#define LOW 0 - /* * *************************************************************************** * Utility functions @@ -988,19 +1121,19 @@ static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base) { unsigned short int divisor; /* divisor shifted 3 bits to the left */ - int divisor3 = base / 2 / baud; + int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud); if ((divisor3 & 0x7) == 7) divisor3++; /* round x.7/8 up to x+1 */ divisor = divisor3 >> 3; divisor3 &= 0x7; if (divisor3 == 1) - divisor |= 0xc000; + divisor |= 0xc000; /* +0.125 */ else if (divisor3 >= 4) - divisor |= 0x4000; + divisor |= 0x4000; /* +0.5 */ else if (divisor3 != 0) - divisor |= 0x8000; + divisor |= 0x8000; /* +0.25 */ else if (divisor == 1) - divisor = 0; /* special case for maximum baud rate */ + divisor = 0; /* special case for maximum baud rate */ return divisor; } @@ -1009,42 +1142,42 @@ static unsigned short int ftdi_232am_baud_to_divisor(int baud) return ftdi_232am_baud_base_to_divisor(baud, 48000000); } -static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base) +static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base) { static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; - __u32 divisor; + u32 divisor; /* divisor shifted 3 bits to the left */ - int divisor3 = base / 2 / baud; + int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud); divisor = divisor3 >> 3; - divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; + divisor |= (u32)divfrac[divisor3 & 0x7] << 14; /* Deal with special cases for highest baud rates. */ - if (divisor == 1) + if (divisor == 1) /* 1.0 */ divisor = 0; - else if (divisor == 0x4001) + else if (divisor == 0x4001) /* 1.5 */ divisor = 1; return divisor; } -static __u32 ftdi_232bm_baud_to_divisor(int baud) +static u32 ftdi_232bm_baud_to_divisor(int baud) { return ftdi_232bm_baud_base_to_divisor(baud, 48000000); } -static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base) +static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base) { static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; - __u32 divisor; + u32 divisor; int divisor3; /* hi-speed baud rate is 10-bit sampling instead of 16-bit */ - divisor3 = base * 8 / (baud * 10); + divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud); divisor = divisor3 >> 3; - divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; + divisor |= (u32)divfrac[divisor3 & 0x7] << 14; /* Deal with special cases for highest baud rates. */ - if (divisor == 1) + if (divisor == 1) /* 1.0 */ divisor = 0; - else if (divisor == 0x4001) + else if (divisor == 0x4001) /* 1.5 */ divisor = 1; /* * Set this bit to turn off a divide by 2.5 on baud rate generator @@ -1055,7 +1188,7 @@ static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base) return divisor; } -static __u32 ftdi_2232h_baud_to_divisor(int baud) +static u32 ftdi_2232h_baud_to_divisor(int baud) { return ftdi_2232h_baud_base_to_divisor(baud, 120000000); } @@ -1068,7 +1201,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, { struct ftdi_private *priv = usb_get_serial_port_data(port); struct device *dev = &port->dev; - unsigned urb_value; + unsigned value; int rv; if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) { @@ -1077,20 +1210,20 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, } clear &= ~set; /* 'set' takes precedence over 'clear' */ - urb_value = 0; + value = 0; if (clear & TIOCM_DTR) - urb_value |= FTDI_SIO_SET_DTR_LOW; + value |= FTDI_SIO_SET_DTR_LOW; if (clear & TIOCM_RTS) - urb_value |= FTDI_SIO_SET_RTS_LOW; + value |= FTDI_SIO_SET_RTS_LOW; if (set & TIOCM_DTR) - urb_value |= FTDI_SIO_SET_DTR_HIGH; + value |= FTDI_SIO_SET_DTR_HIGH; if (set & TIOCM_RTS) - urb_value |= FTDI_SIO_SET_RTS_HIGH; + value |= FTDI_SIO_SET_RTS_HIGH; rv = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_MODEM_CTRL_REQUEST, FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, - urb_value, priv->interface, + value, priv->channel, NULL, 0, WDR_TIMEOUT); if (rv < 0) { dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n", @@ -1109,51 +1242,23 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, } -static __u32 get_ftdi_divisor(struct tty_struct *tty, +static u32 get_ftdi_divisor(struct tty_struct *tty, struct usb_serial_port *port) { + const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial); struct ftdi_private *priv = usb_get_serial_port_data(port); struct device *dev = &port->dev; - __u32 div_value = 0; + u32 div_value = 0; int div_okay = 1; int baud; - /* - * The logic involved in setting the baudrate can be cleanly split into - * 3 steps. - * 1. Standard baud rates are set in tty->termios->c_cflag - * 2. If these are not enough, you can set any speed using alt_speed as - * follows: - * - set tty->termios->c_cflag speed to B38400 - * - set your real speed in tty->alt_speed; it gets ignored when - * alt_speed==0, (or) - * - call TIOCSSERIAL ioctl with (struct serial_struct) set as - * follows: - * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP], - * this just sets alt_speed to (HI: 57600, VHI: 115200, - * SHI: 230400, WARP: 460800) - * ** Steps 1, 2 are done courtesy of tty_get_baud_rate - * 3. You can also set baud rate by setting custom divisor as follows - * - set tty->termios->c_cflag speed to B38400 - * - call TIOCSSERIAL ioctl with (struct serial_struct) set as - * follows: - * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST - * o custom_divisor set to baud_base / your_new_baudrate - * ** Step 3 is done courtesy of code borrowed from serial.c - * I should really spend some time and separate + move this common - * code to serial.c, it is replicated in nearly every serial driver - * you see. - */ - - /* 1. Get the baud rate from the tty settings, this observes - alt_speed hack */ - baud = tty_get_baud_rate(tty); dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud); - /* 2. Observe async-compatible custom_divisor hack, update baudrate - if needed */ - + /* + * Observe deprecated async-compatible custom_divisor hack, update + * baudrate if needed. + */ if (baud == 38400 && ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && (priv->custom_divisor)) { @@ -1162,12 +1267,10 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, __func__, priv->custom_divisor, baud); } - /* 3. Convert baudrate to device-specific divisor */ - if (!baud) baud = 9600; switch (priv->chip_type) { - case SIO: /* SIO chip */ + case SIO: switch (baud) { case 300: div_value = ftdi_sio_b300; break; case 600: div_value = ftdi_sio_b600; break; @@ -1179,8 +1282,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, case 38400: div_value = ftdi_sio_b38400; break; case 57600: div_value = ftdi_sio_b57600; break; case 115200: div_value = ftdi_sio_b115200; break; - } /* baud */ - if (div_value == 0) { + default: dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n", __func__, baud); div_value = ftdi_sio_b9600; @@ -1188,7 +1290,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, div_okay = 0; } break; - case FT8U232AM: /* 8U232AM chip */ + case FT232A: if (baud <= 3000000) { div_value = ftdi_232am_baud_to_divisor(baud); } else { @@ -1198,21 +1300,13 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, div_okay = 0; } break; - case FT232BM: /* FT232BM chip */ - case FT2232C: /* FT2232C chip */ - case FT232RL: /* FT232RL chip */ - case FTX: /* FT-X series */ + case FT232B: + case FT2232C: + case FT232R: + case FTX: if (baud <= 3000000) { - __u16 product_id = le16_to_cpu( - port->serial->dev->descriptor.idProduct); - if (((FTDI_NDI_HUC_PID == product_id) || - (FTDI_NDI_SPECTRA_SCU_PID == product_id) || - (FTDI_NDI_FUTURE_2_PID == product_id) || - (FTDI_NDI_FUTURE_3_PID == product_id) || - (FTDI_NDI_AURORA_SCU_PID == product_id)) && - (baud == 19200)) { + if (quirk == &ftdi_ndi_quirk && baud == 19200) baud = 1200000; - } div_value = ftdi_232bm_baud_to_divisor(baud); } else { dev_dbg(dev, "%s - Baud rate too high!\n", __func__); @@ -1221,9 +1315,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, baud = 9600; } break; - case FT2232H: /* FT2232H chip */ - case FT4232H: /* FT4232H chip */ - case FT232H: /* FT232H chip */ + default: if ((baud <= 12000000) && (baud >= 1200)) { div_value = ftdi_2232h_baud_to_divisor(baud); } else if (baud < 1200) { @@ -1235,7 +1327,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, baud = 9600; } break; - } /* priv->chip_type */ + } if (div_okay) { dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n", @@ -1250,26 +1342,22 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, static int change_speed(struct tty_struct *tty, struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - __u16 urb_value; - __u16 urb_index; - __u32 urb_index_value; + u16 value; + u16 index; + u32 index_value; int rv; - urb_index_value = get_ftdi_divisor(tty, port); - urb_value = (__u16)urb_index_value; - urb_index = (__u16)(urb_index_value >> 16); - if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) || - (priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) { - /* Probably the BM type needs the MSB of the encoded fractional - * divider also moved like for the chips above. Any infos? */ - urb_index = (__u16)((urb_index << 8) | priv->interface); - } + index_value = get_ftdi_divisor(tty, port); + value = (u16)index_value; + index = (u16)(index_value >> 16); + if (priv->channel) + index = (u16)((index << 8) | priv->channel); rv = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_BAUDRATE_REQUEST, FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, - urb_value, urb_index, + value, index, NULL, 0, WDR_SHORT_TIMEOUT); return rv; } @@ -1281,6 +1369,9 @@ static int write_latency_timer(struct usb_serial_port *port) int rv; int l = priv->latency; + if (priv->chip_type == SIO || priv->chip_type == FT232A) + return -EINVAL; + if (priv->flags & ASYNC_LOW_LATENCY) l = 1; @@ -1290,132 +1381,104 @@ static int write_latency_timer(struct usb_serial_port *port) usb_sndctrlpipe(udev, 0), FTDI_SIO_SET_LATENCY_TIMER_REQUEST, FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, - l, priv->interface, + l, priv->channel, NULL, 0, WDR_TIMEOUT); if (rv < 0) dev_err(&port->dev, "Unable to write latency timer: %i\n", rv); return rv; } -static int read_latency_timer(struct usb_serial_port *port) +static int _read_latency_timer(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); struct usb_device *udev = port->serial->dev; - unsigned char *buf; + u8 buf; int rv; - buf = kmalloc(1, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - rv = usb_control_msg(udev, - usb_rcvctrlpipe(udev, 0), - FTDI_SIO_GET_LATENCY_TIMER_REQUEST, - FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, - 0, priv->interface, - buf, 1, WDR_TIMEOUT); - if (rv < 0) - dev_err(&port->dev, "Unable to read latency timer: %i\n", rv); - else - priv->latency = buf[0]; - - kfree(buf); + rv = usb_control_msg_recv(udev, 0, FTDI_SIO_GET_LATENCY_TIMER_REQUEST, + FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 0, + priv->channel, &buf, 1, WDR_TIMEOUT, + GFP_KERNEL); + if (rv == 0) + rv = buf; return rv; } -static int get_serial_info(struct usb_serial_port *port, - struct serial_struct __user *retinfo) +static int read_latency_timer(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - struct serial_struct tmp; + int rv; + + if (priv->chip_type == SIO || priv->chip_type == FT232A) + return -EINVAL; + + rv = _read_latency_timer(port); + if (rv < 0) { + dev_err(&port->dev, "Unable to read latency timer: %i\n", rv); + return rv; + } + + priv->latency = rv; - if (!retinfo) - return -EFAULT; - memset(&tmp, 0, sizeof(tmp)); - tmp.flags = priv->flags; - tmp.baud_base = priv->baud_base; - tmp.custom_divisor = priv->custom_divisor; - if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) - return -EFAULT; return 0; } -static int set_serial_info(struct tty_struct *tty, - struct usb_serial_port *port, struct serial_struct __user *newinfo) +static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss) { + struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); - struct serial_struct new_serial; - struct ftdi_private old_priv; - - if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) - return -EFAULT; mutex_lock(&priv->cfg_lock); - old_priv = *priv; + ss->flags = priv->flags; + ss->baud_base = priv->baud_base; + ss->custom_divisor = priv->custom_divisor; + mutex_unlock(&priv->cfg_lock); +} + +static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss) +{ + struct usb_serial_port *port = tty->driver_data; + struct ftdi_private *priv = usb_get_serial_port_data(port); + int old_flags, old_divisor; - /* Do error checking and permission checking */ + mutex_lock(&priv->cfg_lock); if (!capable(CAP_SYS_ADMIN)) { - if (((new_serial.flags & ~ASYNC_USR_MASK) != - (priv->flags & ~ASYNC_USR_MASK))) { + if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) { mutex_unlock(&priv->cfg_lock); return -EPERM; } - priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | - (new_serial.flags & ASYNC_USR_MASK)); - priv->custom_divisor = new_serial.custom_divisor; - goto check_and_exit; } - if (new_serial.baud_base != priv->baud_base) { - mutex_unlock(&priv->cfg_lock); - return -EINVAL; - } - - /* Make the changes - these are privileged changes! */ + old_flags = priv->flags; + old_divisor = priv->custom_divisor; - priv->flags = ((priv->flags & ~ASYNC_FLAGS) | - (new_serial.flags & ASYNC_FLAGS)); - priv->custom_divisor = new_serial.custom_divisor; + priv->flags = ss->flags & ASYNC_FLAGS; + priv->custom_divisor = ss->custom_divisor; write_latency_timer(port); -check_and_exit: - if ((old_priv.flags & ASYNC_SPD_MASK) != - (priv->flags & ASYNC_SPD_MASK)) { - if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) - tty->alt_speed = 57600; - else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) - tty->alt_speed = 115200; - else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) - tty->alt_speed = 230400; - else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) - tty->alt_speed = 460800; - else - tty->alt_speed = 0; - } - if (((old_priv.flags & ASYNC_SPD_MASK) != - (priv->flags & ASYNC_SPD_MASK)) || - (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && - (old_priv.custom_divisor != priv->custom_divisor))) { + if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK || + ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST && + priv->custom_divisor != old_divisor)) { + + /* warn about deprecation unless clearing */ + if (priv->flags & ASYNC_SPD_MASK) + dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n"); + change_speed(tty, port); - mutex_unlock(&priv->cfg_lock); } - else - mutex_unlock(&priv->cfg_lock); + mutex_unlock(&priv->cfg_lock); return 0; } static int get_lsr_info(struct usb_serial_port *port, - struct serial_struct __user *retinfo) + unsigned int __user *retinfo) { struct ftdi_private *priv = usb_get_serial_port_data(port); unsigned int result = 0; - if (!retinfo) - return -EFAULT; - if (priv->transmit_empty) result = TIOCSER_TEMT; @@ -1424,119 +1487,134 @@ static int get_lsr_info(struct usb_serial_port *port, return 0; } - -/* Determine type of FTDI chip based on USB config and descriptor. */ -static void ftdi_determine_type(struct usb_serial_port *port) +static int ftdi_determine_type(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); struct usb_serial *serial = port->serial; struct usb_device *udev = serial->dev; - unsigned version; - unsigned interfaces; - - /* Assume it is not the original SIO device for now. */ - priv->baud_base = 48000000 / 2; + unsigned int version, ifnum; version = le16_to_cpu(udev->descriptor.bcdDevice); - interfaces = udev->actconfig->desc.bNumInterfaces; - dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__, - version, interfaces); - if (interfaces > 1) { - int inter; - - /* Multiple interfaces.*/ - if (version == 0x0800) { - priv->chip_type = FT4232H; - /* Hi-speed - baud clock runs at 120MHz */ - priv->baud_base = 120000000 / 2; - } else if (version == 0x0700) { - priv->chip_type = FT2232H; - /* Hi-speed - baud clock runs at 120MHz */ - priv->baud_base = 120000000 / 2; - } else - priv->chip_type = FT2232C; - - /* Determine interface code. */ - inter = serial->interface->altsetting->desc.bInterfaceNumber; - if (inter == 0) { - priv->interface = INTERFACE_A; - } else if (inter == 1) { - priv->interface = INTERFACE_B; - } else if (inter == 2) { - priv->interface = INTERFACE_C; - } else if (inter == 3) { - priv->interface = INTERFACE_D; - } - /* BM-type devices have a bug where bcdDevice gets set - * to 0x200 when iSerialNumber is 0. */ - if (version < 0x500) { - dev_dbg(&port->dev, - "%s: something fishy - bcdDevice too low for multi-interface device\n", - __func__); + ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; + + /* Assume Hi-Speed type */ + priv->baud_base = 120000000 / 2; + priv->channel = CHANNEL_A + ifnum; + + switch (version) { + case 0x200: + priv->chip_type = FT232A; + priv->baud_base = 48000000 / 2; + priv->channel = 0; + /* + * FT232B devices have a bug where bcdDevice gets set to 0x200 + * when iSerialNumber is 0. Assume it is an FT232B in case the + * latency timer is readable. + */ + if (udev->descriptor.iSerialNumber == 0 && + _read_latency_timer(port) >= 0) { + priv->chip_type = FT232B; } - } else if (version < 0x200) { - /* Old device. Assume it's the original SIO. */ - priv->chip_type = SIO; - priv->baud_base = 12000000 / 16; - } else if (version < 0x400) { - /* Assume it's an FT8U232AM (or FT8U245AM) */ - /* (It might be a BM because of the iSerialNumber bug, - * but it will still work as an AM device.) */ - priv->chip_type = FT8U232AM; - } else if (version < 0x600) { - /* Assume it's an FT232BM (or FT245BM) */ - priv->chip_type = FT232BM; - } else if (version < 0x900) { - /* Assume it's an FT232RL */ - priv->chip_type = FT232RL; - } else if (version < 0x1000) { - /* Assume it's an FT232H */ + break; + case 0x400: + priv->chip_type = FT232B; + priv->baud_base = 48000000 / 2; + priv->channel = 0; + break; + case 0x500: + priv->chip_type = FT2232C; + priv->baud_base = 48000000 / 2; + break; + case 0x600: + priv->chip_type = FT232R; + priv->baud_base = 48000000 / 2; + priv->channel = 0; + break; + case 0x700: + priv->chip_type = FT2232H; + break; + case 0x800: + priv->chip_type = FT4232H; + break; + case 0x900: priv->chip_type = FT232H; - } else { - /* Assume it's an FT-X series device */ + break; + case 0x1000: priv->chip_type = FTX; + priv->baud_base = 48000000 / 2; + break; + case 0x2800: + priv->chip_type = FT2233HP; + break; + case 0x2900: + priv->chip_type = FT4233HP; + break; + case 0x3000: + priv->chip_type = FT2232HP; + break; + case 0x3100: + priv->chip_type = FT4232HP; + break; + case 0x3200: + priv->chip_type = FT233HP; + break; + case 0x3300: + priv->chip_type = FT232HP; + break; + case 0x3600: + priv->chip_type = FT4232HA; + break; + default: + if (version < 0x200) { + priv->chip_type = SIO; + priv->baud_base = 12000000 / 16; + priv->channel = 0; + } else { + dev_err(&port->dev, "unknown device type: 0x%02x\n", version); + return -ENODEV; + } } dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]); + + return 0; } -/* Determine the maximum packet size for the device. This depends on the chip - * type and the USB host capabilities. The value should be obtained from the - * device descriptor as the chip will use the appropriate values for the host.*/ +/* + * Determine the maximum packet size for the device. This depends on the chip + * type and the USB host capabilities. The value should be obtained from the + * device descriptor as the chip will use the appropriate values for the host. + */ static void ftdi_set_max_packet_size(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - struct usb_serial *serial = port->serial; - struct usb_device *udev = serial->dev; - - struct usb_interface *interface = serial->interface; - struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; - + struct usb_interface *interface = port->serial->interface; + struct usb_endpoint_descriptor *ep_desc; unsigned num_endpoints; - int i; + unsigned i; num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; - dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); + if (!num_endpoints) + return; - /* NOTE: some customers have programmed FT232R/FT245R devices - * with an endpoint size of 0 - not good. In this case, we + /* + * NOTE: Some customers have programmed FT232R/FT245R devices + * with an endpoint size of 0 - not good. In this case, we * want to override the endpoint descriptor setting and use a - * value of 64 for wMaxPacketSize */ + * value of 64 for wMaxPacketSize. + */ for (i = 0; i < num_endpoints; i++) { - dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1, - interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize); ep_desc = &interface->cur_altsetting->endpoint[i].desc; - if (ep_desc->wMaxPacketSize == 0) { + if (!ep_desc->wMaxPacketSize) { ep_desc->wMaxPacketSize = cpu_to_le16(0x40); - dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i); + dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n", + usb_endpoint_num(ep_desc)); } } - /* set max packet size based on descriptor */ + /* Set max packet size based on last descriptor. */ priv->max_packet_size = usb_endpoint_maxp(ep_desc); - - dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size); } @@ -1546,53 +1624,59 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port) * *************************************************************************** */ -static ssize_t show_latency_timer(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t latency_timer_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct usb_serial_port *port = to_usb_serial_port(dev); struct ftdi_private *priv = usb_get_serial_port_data(port); if (priv->flags & ASYNC_LOW_LATENCY) return sprintf(buf, "1\n"); else - return sprintf(buf, "%i\n", priv->latency); + return sprintf(buf, "%u\n", priv->latency); } - /* Write a new value of the latency timer, in units of milliseconds. */ -static ssize_t store_latency_timer(struct device *dev, - struct device_attribute *attr, const char *valbuf, - size_t count) +static ssize_t latency_timer_store(struct device *dev, + struct device_attribute *attr, + const char *valbuf, size_t count) { struct usb_serial_port *port = to_usb_serial_port(dev); struct ftdi_private *priv = usb_get_serial_port_data(port); - int v = simple_strtoul(valbuf, NULL, 10); + u8 v; int rv; + if (kstrtou8(valbuf, 10, &v)) + return -EINVAL; + priv->latency = v; rv = write_latency_timer(port); if (rv < 0) return -EIO; return count; } +static DEVICE_ATTR_RW(latency_timer); /* Write an event character directly to the FTDI register. The ASCII value is in the low 8 bits, with the enable bit in the 9th bit. */ -static ssize_t store_event_char(struct device *dev, +static ssize_t event_char_store(struct device *dev, struct device_attribute *attr, const char *valbuf, size_t count) { struct usb_serial_port *port = to_usb_serial_port(dev); struct ftdi_private *priv = usb_get_serial_port_data(port); struct usb_device *udev = port->serial->dev; - int v = simple_strtoul(valbuf, NULL, 10); + unsigned int v; int rv; - dev_dbg(&port->dev, "%s: setting event char = %i\n", __func__, v); + if (kstrtouint(valbuf, 0, &v) || v >= 0x200) + return -EINVAL; + + dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v); rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), FTDI_SIO_SET_EVENT_CHAR_REQUEST, FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE, - v, priv->interface, + v, priv->channel, NULL, 0, WDR_TIMEOUT); if (rv < 0) { dev_dbg(&port->dev, "Unable to write event character: %i\n", rv); @@ -1601,68 +1685,490 @@ static ssize_t store_event_char(struct device *dev, return count; } +static DEVICE_ATTR_WO(event_char); + +static struct attribute *ftdi_attrs[] = { + &dev_attr_event_char.attr, + &dev_attr_latency_timer.attr, + NULL +}; + +static umode_t ftdi_is_visible(struct kobject *kobj, struct attribute *attr, int idx) +{ + struct device *dev = kobj_to_dev(kobj); + struct usb_serial_port *port = to_usb_serial_port(dev); + struct ftdi_private *priv = usb_get_serial_port_data(port); + enum ftdi_chip_type type = priv->chip_type; + + if (attr == &dev_attr_event_char.attr) { + if (type == SIO) + return 0; + } + + if (attr == &dev_attr_latency_timer.attr) { + if (type == SIO || type == FT232A) + return 0; + } + + return attr->mode; +} + +static const struct attribute_group ftdi_group = { + .attrs = ftdi_attrs, + .is_visible = ftdi_is_visible, +}; + +static const struct attribute_group *ftdi_groups[] = { + &ftdi_group, + NULL +}; + +#ifdef CONFIG_GPIOLIB + +static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + struct usb_serial *serial = port->serial; + int result; + u16 val; + + result = usb_autopm_get_interface(serial->interface); + if (result) + return result; + + val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value; + result = usb_control_msg(serial->dev, + usb_sndctrlpipe(serial->dev, 0), + FTDI_SIO_SET_BITMODE_REQUEST, + FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val, + priv->channel, NULL, 0, WDR_TIMEOUT); + if (result < 0) { + dev_err(&serial->interface->dev, + "bitmode request failed for value 0x%04x: %d\n", + val, result); + } + + usb_autopm_put_interface(serial->interface); + + return result; +} + +static int ftdi_set_cbus_pins(struct usb_serial_port *port) +{ + return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS); +} + +static int ftdi_exit_cbus_mode(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); -static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, - store_latency_timer); -static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char); + priv->gpio_output = 0; + priv->gpio_value = 0; + return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET); +} -static int create_sysfs_attrs(struct usb_serial_port *port) +static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset) { + struct usb_serial_port *port = gpiochip_get_data(gc); struct ftdi_private *priv = usb_get_serial_port_data(port); - int retval = 0; - - /* XXX I've no idea if the original SIO supports the event_char - * sysfs parameter, so I'm playing it safe. */ - if (priv->chip_type != SIO) { - dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]); - retval = device_create_file(&port->dev, &dev_attr_event_char); - if ((!retval) && - (priv->chip_type == FT232BM || - priv->chip_type == FT2232C || - priv->chip_type == FT232RL || - priv->chip_type == FT2232H || - priv->chip_type == FT4232H || - priv->chip_type == FT232H || - priv->chip_type == FTX)) { - retval = device_create_file(&port->dev, - &dev_attr_latency_timer); + int result; + + mutex_lock(&priv->gpio_lock); + if (!priv->gpio_used) { + /* Set default pin states, as we cannot get them from device */ + priv->gpio_output = 0x00; + priv->gpio_value = 0x00; + result = ftdi_set_cbus_pins(port); + if (result) { + mutex_unlock(&priv->gpio_lock); + return result; } + + priv->gpio_used = true; } - return retval; + mutex_unlock(&priv->gpio_lock); + + return 0; +} + +static int ftdi_read_cbus_pins(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + struct usb_serial *serial = port->serial; + u8 buf; + int result; + + result = usb_autopm_get_interface(serial->interface); + if (result) + return result; + + result = usb_control_msg_recv(serial->dev, 0, + FTDI_SIO_READ_PINS_REQUEST, + FTDI_SIO_READ_PINS_REQUEST_TYPE, 0, + priv->channel, &buf, 1, WDR_TIMEOUT, + GFP_KERNEL); + if (result == 0) + result = buf; + + usb_autopm_put_interface(serial->interface); + + return result; +} + +static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + int result; + + result = ftdi_read_cbus_pins(port); + if (result < 0) + return result; + + return !!(result & BIT(gpio)); } -static void remove_sysfs_attrs(struct usb_serial_port *port) +static int ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value) { + struct usb_serial_port *port = gpiochip_get_data(gc); struct ftdi_private *priv = usb_get_serial_port_data(port); + int result; + + mutex_lock(&priv->gpio_lock); + + if (value) + priv->gpio_value |= BIT(gpio); + else + priv->gpio_value &= ~BIT(gpio); + + result = ftdi_set_cbus_pins(port); + + mutex_unlock(&priv->gpio_lock); + + return result; +} + +static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask, + unsigned long *bits) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + int result; + + result = ftdi_read_cbus_pins(port); + if (result < 0) + return result; + + *bits = result & *mask; + + return 0; +} + +static int ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, + unsigned long *bits) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + struct ftdi_private *priv = usb_get_serial_port_data(port); + int result; + + mutex_lock(&priv->gpio_lock); + + priv->gpio_value &= ~(*mask); + priv->gpio_value |= *bits & *mask; + result = ftdi_set_cbus_pins(port); + + mutex_unlock(&priv->gpio_lock); + + return result; +} + +static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + struct ftdi_private *priv = usb_get_serial_port_data(port); + + return !(priv->gpio_output & BIT(gpio)); +} + +static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + struct ftdi_private *priv = usb_get_serial_port_data(port); + int result; + + mutex_lock(&priv->gpio_lock); + + priv->gpio_output &= ~BIT(gpio); + result = ftdi_set_cbus_pins(port); + + mutex_unlock(&priv->gpio_lock); + + return result; +} + +static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio, + int value) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + struct ftdi_private *priv = usb_get_serial_port_data(port); + int result; + + mutex_lock(&priv->gpio_lock); + + priv->gpio_output |= BIT(gpio); + if (value) + priv->gpio_value |= BIT(gpio); + else + priv->gpio_value &= ~BIT(gpio); + + result = ftdi_set_cbus_pins(port); + + mutex_unlock(&priv->gpio_lock); - /* XXX see create_sysfs_attrs */ - if (priv->chip_type != SIO) { - device_remove_file(&port->dev, &dev_attr_event_char); - if (priv->chip_type == FT232BM || - priv->chip_type == FT2232C || - priv->chip_type == FT232RL || - priv->chip_type == FT2232H || - priv->chip_type == FT4232H || - priv->chip_type == FT232H || - priv->chip_type == FTX) { - device_remove_file(&port->dev, &dev_attr_latency_timer); + return result; +} + +static int ftdi_gpio_init_valid_mask(struct gpio_chip *gc, + unsigned long *valid_mask, + unsigned int ngpios) +{ + struct usb_serial_port *port = gpiochip_get_data(gc); + struct ftdi_private *priv = usb_get_serial_port_data(port); + unsigned long map = priv->gpio_altfunc; + + bitmap_complement(valid_mask, &map, ngpios); + + if (bitmap_empty(valid_mask, ngpios)) + dev_dbg(&port->dev, "no CBUS pin configured for GPIO\n"); + else + dev_dbg(&port->dev, "CBUS%*pbl configured for GPIO\n", ngpios, + valid_mask); + + return 0; +} + +static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr, + u16 nbytes) +{ + int read = 0; + + if (addr % 2 != 0) + return -EINVAL; + if (nbytes % 2 != 0) + return -EINVAL; + + /* Read EEPROM two bytes at a time */ + while (read < nbytes) { + int rv; + + rv = usb_control_msg(serial->dev, + usb_rcvctrlpipe(serial->dev, 0), + FTDI_SIO_READ_EEPROM_REQUEST, + FTDI_SIO_READ_EEPROM_REQUEST_TYPE, + 0, (addr + read) / 2, dst + read, 2, + WDR_TIMEOUT); + if (rv < 2) { + if (rv >= 0) + return -EIO; + else + return rv; } + + read += rv; + } + + return 0; +} + +static int ftdi_gpio_init_ft232h(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + u16 cbus_config; + u8 *buf; + int ret; + int i; + + buf = kmalloc(4, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4); + if (ret < 0) + goto out_free; + + /* + * FT232H CBUS Memory Map + * + * 0x1a: X- (upper nibble -> AC5) + * 0x1b: -X (lower nibble -> AC6) + * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8) + */ + cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4; + + priv->gc.ngpio = 4; + priv->gpio_altfunc = 0xff; + + for (i = 0; i < priv->gc.ngpio; ++i) { + if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO) + priv->gpio_altfunc &= ~BIT(i); + cbus_config >>= 4; + } + +out_free: + kfree(buf); + + return ret; +} + +static int ftdi_gpio_init_ft232r(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + u16 cbus_config; + u8 *buf; + int ret; + int i; + + buf = kmalloc(2, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2); + if (ret < 0) + goto out_free; + + cbus_config = le16_to_cpup((__le16 *)buf); + dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config); + + priv->gc.ngpio = 4; + + priv->gpio_altfunc = 0xff; + for (i = 0; i < priv->gc.ngpio; ++i) { + if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO) + priv->gpio_altfunc &= ~BIT(i); + cbus_config >>= 4; + } +out_free: + kfree(buf); + + return ret; +} + +static int ftdi_gpio_init_ftx(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + struct usb_serial *serial = port->serial; + const u16 cbus_cfg_addr = 0x1a; + const u16 cbus_cfg_size = 4; + u8 *cbus_cfg_buf; + int result; + u8 i; + + cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL); + if (!cbus_cfg_buf) + return -ENOMEM; + + result = ftdi_read_eeprom(serial, cbus_cfg_buf, + cbus_cfg_addr, cbus_cfg_size); + if (result < 0) + goto out_free; + + /* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */ + priv->gc.ngpio = 4; + + /* Determine which pins are configured for CBUS bitbanging */ + priv->gpio_altfunc = 0xff; + for (i = 0; i < priv->gc.ngpio; ++i) { + if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO) + priv->gpio_altfunc &= ~BIT(i); + } + +out_free: + kfree(cbus_cfg_buf); + + return result; +} + +static int ftdi_gpio_init(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + struct usb_serial *serial = port->serial; + int result; + + switch (priv->chip_type) { + case FT232H: + result = ftdi_gpio_init_ft232h(port); + break; + case FT232R: + result = ftdi_gpio_init_ft232r(port); + break; + case FTX: + result = ftdi_gpio_init_ftx(port); + break; + default: + return 0; + } + + if (result < 0) + return result; + + mutex_init(&priv->gpio_lock); + + priv->gc.label = "ftdi-cbus"; + priv->gc.request = ftdi_gpio_request; + priv->gc.get_direction = ftdi_gpio_direction_get; + priv->gc.direction_input = ftdi_gpio_direction_input; + priv->gc.direction_output = ftdi_gpio_direction_output; + priv->gc.init_valid_mask = ftdi_gpio_init_valid_mask; + priv->gc.get = ftdi_gpio_get; + priv->gc.set = ftdi_gpio_set; + priv->gc.get_multiple = ftdi_gpio_get_multiple; + priv->gc.set_multiple = ftdi_gpio_set_multiple; + priv->gc.owner = THIS_MODULE; + priv->gc.parent = &serial->interface->dev; + priv->gc.base = -1; + priv->gc.can_sleep = true; + + result = gpiochip_add_data(&priv->gc, port); + if (!result) + priv->gpio_registered = true; + + return result; +} + +static void ftdi_gpio_remove(struct usb_serial_port *port) +{ + struct ftdi_private *priv = usb_get_serial_port_data(port); + + if (priv->gpio_registered) { + gpiochip_remove(&priv->gc); + priv->gpio_registered = false; } + if (priv->gpio_used) { + /* Exiting CBUS-mode does not reset pin states. */ + ftdi_exit_cbus_mode(port); + priv->gpio_used = false; + } } +#else + +static int ftdi_gpio_init(struct usb_serial_port *port) +{ + return 0; +} + +static void ftdi_gpio_remove(struct usb_serial_port *port) { } + +#endif /* CONFIG_GPIOLIB */ + /* * *************************************************************************** * FTDI driver specific functions * *************************************************************************** */ -/* Probe function to check for special devices */ -static int ftdi_sio_probe(struct usb_serial *serial, - const struct usb_device_id *id) +static int ftdi_probe(struct usb_serial *serial, const struct usb_device_id *id) { - struct ftdi_sio_quirk *quirk = - (struct ftdi_sio_quirk *)id->driver_info; + const struct ftdi_quirk *quirk = (struct ftdi_quirk *)id->driver_info; if (quirk && quirk->probe) { int ret = quirk->probe(serial); @@ -1675,51 +2181,65 @@ static int ftdi_sio_probe(struct usb_serial *serial, return 0; } -static int ftdi_sio_port_probe(struct usb_serial_port *port) +static int ftdi_port_probe(struct usb_serial_port *port) { + const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial); struct ftdi_private *priv; - struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial); - + int result; priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL); - if (!priv) { - dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__, - sizeof(struct ftdi_private)); + if (!priv) return -ENOMEM; - } mutex_init(&priv->cfg_lock); - priv->flags = ASYNC_LOW_LATENCY; - if (quirk && quirk->port_probe) quirk->port_probe(priv); usb_set_serial_port_data(port, priv); - ftdi_determine_type(port); + result = ftdi_determine_type(port); + if (result) + goto err_free; + ftdi_set_max_packet_size(port); - if (read_latency_timer(port) < 0) + if (quirk == &ftdi_ndi_quirk) + priv->latency = 1; + else if (read_latency_timer(port) < 0) priv->latency = 16; write_latency_timer(port); - create_sysfs_attrs(port); + + result = ftdi_gpio_init(port); + if (result < 0) { + dev_err(&port->serial->interface->dev, + "GPIO initialisation failed: %d\n", + result); + } + return 0; + +err_free: + kfree(priv); + + return result; } -/* Setup for the USB-UIRT device, which requires hardwired - * baudrate (38400 gets mapped to 312500) */ -/* Called from usbserial:serial_probe */ -static void ftdi_USB_UIRT_setup(struct ftdi_private *priv) +/* + * Setup for the USB-UIRT device, which requires hardwired baudrate + * (38400 gets mapped to 312500). + */ +static void ftdi_usb_uirt_setup(struct ftdi_private *priv) { priv->flags |= ASYNC_SPD_CUST; priv->custom_divisor = 77; priv->force_baud = 38400; } -/* Setup for the HE-TIRA1 device, which requires hardwired - * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */ - -static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) +/* + * Setup for the HE-TIRA1 device, which requires hardwired baudrate + * (38400 gets mapped to 100000) and RTS-CTS enabled. + */ +static void ftdi_he_tira1_setup(struct ftdi_private *priv) { priv->flags |= ASYNC_SPD_CUST; priv->custom_divisor = 240; @@ -1728,64 +2248,38 @@ static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) } /* - * Module parameter to control latency timer for NDI FTDI-based USB devices. - * If this value is not set in /etc/modprobe.d/ its value will be set - * to 1ms. - */ -static int ndi_latency_timer = 1; - -/* Setup for the NDI FTDI-based USB devices, which requires hardwired - * baudrate (19200 gets mapped to 1200000). - * - * Called from usbserial:serial_probe. - */ -static int ftdi_NDI_device_setup(struct usb_serial *serial) -{ - struct usb_device *udev = serial->dev; - int latency = ndi_latency_timer; - - if (latency == 0) - latency = 1; - if (latency > 99) - latency = 99; - - dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency); - dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency); - - /* FIXME: errors are not returned */ - usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - FTDI_SIO_SET_LATENCY_TIMER_REQUEST, - FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, - latency, 0, NULL, 0, WDR_TIMEOUT); - return 0; -} - -/* * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from * userspace using openocd. */ static int ftdi_jtag_probe(struct usb_serial *serial) { - struct usb_device *udev = serial->dev; - struct usb_interface *interface = serial->interface; + struct usb_interface *intf = serial->interface; + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (interface == udev->actconfig->interface[0]) { - dev_info(&udev->dev, - "Ignoring serial port reserved for JTAG\n"); + if (ifnum == 0) return -ENODEV; - } return 0; } static int ftdi_8u2232c_probe(struct usb_serial *serial) { + struct usb_interface *intf = serial->interface; struct usb_device *udev = serial->dev; - - if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) || - (udev->product && !strcmp(udev->product, "BeagleBone/XDS100V2"))) - return ftdi_jtag_probe(serial); + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; + + if (ifnum == 0) { + if (udev->manufacturer && + !strcmp(udev->manufacturer, "CALAO Systems")) + return -ENODEV; + + if (udev->product && + (!strcmp(udev->product, "Arrow USB Blaster") || + !strcmp(udev->product, "BeagleBone/XDS100V2") || + !strcmp(udev->product, "SNAP Connect E10"))) + return -ENODEV; + } return 0; } @@ -1799,50 +2293,26 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial) */ static int ftdi_stmclite_probe(struct usb_serial *serial) { - struct usb_device *udev = serial->dev; - struct usb_interface *interface = serial->interface; + struct usb_interface *intf = serial->interface; + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (interface == udev->actconfig->interface[0] || - interface == udev->actconfig->interface[1]) { - dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n"); + if (ifnum < 2) return -ENODEV; - } - - return 0; -} - -/* - * The Matrix Orbital VK204-25-USB has an invalid IN endpoint. - * We have to correct it if we want to read from it. - */ -static int ftdi_mtxorb_hack_setup(struct usb_serial *serial) -{ - struct usb_host_endpoint *ep = serial->dev->ep_in[1]; - struct usb_endpoint_descriptor *ep_desc = &ep->desc; - - if (ep->enabled && ep_desc->wMaxPacketSize == 0) { - ep_desc->wMaxPacketSize = cpu_to_le16(0x40); - dev_info(&serial->dev->dev, - "Fixing invalid wMaxPacketSize on read pipe\n"); - } return 0; } -static int ftdi_sio_port_remove(struct usb_serial_port *port) +static void ftdi_port_remove(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - remove_sysfs_attrs(port); + ftdi_gpio_remove(port); kfree(priv); - - return 0; } static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) { - struct ktermios dummy; struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); @@ -1851,17 +2321,15 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) usb_control_msg(dev, usb_sndctrlpipe(dev, 0), FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, FTDI_SIO_RESET_SIO, - priv->interface, NULL, 0, WDR_TIMEOUT); + priv->channel, NULL, 0, WDR_TIMEOUT); /* Termios defaults are set by usb_serial_init. We don't change port->tty->termios - this would lose speed settings, etc. This is same behaviour as serial.c/rs_open() - Kuba */ /* ftdi_set_termios will send usb control messages */ - if (tty) { - memset(&dummy, 0, sizeof(dummy)); - ftdi_set_termios(tty, port, &dummy); - } + if (tty) + ftdi_set_termios(tty, port, NULL); return usb_serial_generic_open(tty, port); } @@ -1876,7 +2344,7 @@ static void ftdi_dtr_rts(struct usb_serial_port *port, int on) usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_FLOW_CTRL_REQUEST, FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - 0, priv->interface, NULL, 0, + 0, priv->channel, NULL, 0, WDR_TIMEOUT) < 0) { dev_err(&port->dev, "error from flowcontrol urb\n"); } @@ -1932,12 +2400,12 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port, #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE) static int ftdi_process_packet(struct usb_serial_port *port, - struct ftdi_private *priv, char *packet, int len) + struct ftdi_private *priv, unsigned char *buf, int len) { + unsigned char status; + bool brkint = false; int i; - char status; char flag; - char *ch; if (len < 2) { dev_dbg(&port->dev, "malformed packet\n"); @@ -1947,7 +2415,7 @@ static int ftdi_process_packet(struct usb_serial_port *port, /* Compare new line status to the old one, signal if different/ N.B. packet may be processed more than once, but differences are only processed once. */ - status = packet[0] & FTDI_STATUS_B0_MASK; + status = buf[0] & FTDI_STATUS_B0_MASK; if (status != priv->prev_status) { char diff_status = status ^ priv->prev_status; @@ -1957,64 +2425,86 @@ static int ftdi_process_packet(struct usb_serial_port *port, port->icount.dsr++; if (diff_status & FTDI_RS0_RI) port->icount.rng++; - if (diff_status & FTDI_RS0_RLSD) + if (diff_status & FTDI_RS0_RLSD) { + struct tty_struct *tty; + port->icount.dcd++; + tty = tty_port_tty_get(&port->port); + if (tty) + usb_serial_handle_dcd_change(port, tty, + status & FTDI_RS0_RLSD); + tty_kref_put(tty); + } wake_up_interruptible(&port->port.delta_msr_wait); priv->prev_status = status; } + /* save if the transmitter is empty or not */ + if (buf[1] & FTDI_RS_TEMT) + priv->transmit_empty = 1; + else + priv->transmit_empty = 0; + + if (len == 2) + return 0; /* status only */ + + /* + * Break and error status must only be processed for packets with + * data payload to avoid over-reporting. + */ flag = TTY_NORMAL; - if (packet[1] & FTDI_RS_ERR_MASK) { - /* Break takes precedence over parity, which takes precedence - * over framing errors */ - if (packet[1] & FTDI_RS_BI) { - flag = TTY_BREAK; + if (buf[1] & FTDI_RS_ERR_MASK) { + /* + * Break takes precedence over parity, which takes precedence + * over framing errors. Note that break is only associated + * with the last character in the buffer and only when it's a + * NUL. + */ + if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') { port->icount.brk++; - usb_serial_handle_break(port); - } else if (packet[1] & FTDI_RS_PE) { + brkint = true; + } + if (buf[1] & FTDI_RS_PE) { flag = TTY_PARITY; port->icount.parity++; - } else if (packet[1] & FTDI_RS_FE) { + } else if (buf[1] & FTDI_RS_FE) { flag = TTY_FRAME; port->icount.frame++; } /* Overrun is special, not associated with a char */ - if (packet[1] & FTDI_RS_OE) { + if (buf[1] & FTDI_RS_OE) { port->icount.overrun++; tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); } } - /* save if the transmitter is empty or not */ - if (packet[1] & FTDI_RS_TEMT) - priv->transmit_empty = 1; - else - priv->transmit_empty = 0; - - len -= 2; - if (!len) - return 0; /* status only */ - port->icount.rx += len; - ch = packet + 2; + port->icount.rx += len - 2; - if (port->port.console && port->sysrq) { - for (i = 0; i < len; i++, ch++) { - if (!usb_serial_handle_sysrq_char(port, *ch)) - tty_insert_flip_char(&port->port, *ch, flag); + if (brkint || port->sysrq) { + for (i = 2; i < len; i++) { + if (brkint && i == len - 1) { + if (usb_serial_handle_break(port)) + return len - 3; + flag = TTY_BREAK; + } + if (usb_serial_handle_sysrq_char(port, buf[i])) + continue; + tty_insert_flip_char(&port->port, buf[i], flag); } } else { - tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len); + tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag, + len - 2); } - return len; + return len - 2; } static void ftdi_process_read_urb(struct urb *urb) { struct usb_serial_port *port = urb->context; struct ftdi_private *priv = usb_get_serial_port_data(port); - char *data = (char *)urb->transfer_buffer; + char *data = urb->transfer_buffer; int i; int len; int count = 0; @@ -2028,34 +2518,38 @@ static void ftdi_process_read_urb(struct urb *urb) tty_flip_buffer_push(&port->port); } -static void ftdi_break_ctl(struct tty_struct *tty, int break_state) +static int ftdi_break_ctl(struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); - __u16 urb_value; + u16 value; + int ret; /* break_state = -1 to turn on break, and 0 to turn off break */ /* see drivers/char/tty_io.c to see it used */ - /* last_set_data_urb_value NEVER has the break bit set in it */ + /* last_set_data_value NEVER has the break bit set in it */ if (break_state) - urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK; + value = priv->last_set_data_value | FTDI_SIO_SET_BREAK; else - urb_value = priv->last_set_data_urb_value; + value = priv->last_set_data_value; - if (usb_control_msg(port->serial->dev, + ret = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_DATA_REQUEST, FTDI_SIO_SET_DATA_REQUEST_TYPE, - urb_value , priv->interface, - NULL, 0, WDR_TIMEOUT) < 0) { + value, priv->channel, + NULL, 0, WDR_TIMEOUT); + if (ret < 0) { dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n", __func__, break_state); + return ret; } dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__, - break_state, urb_value); + break_state, value); + return 0; } static bool ftdi_tx_empty(struct usb_serial_port *port) @@ -2077,19 +2571,16 @@ static bool ftdi_tx_empty(struct usb_serial_port *port) * WARNING: set_termios calls this with old_termios in kernel space */ static void ftdi_set_termios(struct tty_struct *tty, - struct usb_serial_port *port, struct ktermios *old_termios) + struct usb_serial_port *port, + const struct ktermios *old_termios) { struct usb_device *dev = port->serial->dev; struct device *ddev = &port->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); struct ktermios *termios = &tty->termios; - unsigned int cflag = termios->c_cflag; - __u16 urb_value; /* will hold the new flags */ - - /* Added for xon/xoff support */ - unsigned int iflag = termios->c_iflag; - unsigned char vstop; - unsigned char vstart; + unsigned int cflag; + u16 value, index; + int ret; /* Force baud rate if this device requires it, unless it is set to B0. */ @@ -2105,6 +2596,30 @@ static void ftdi_set_termios(struct tty_struct *tty, termios->c_cflag |= CRTSCTS; } + /* + * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to + * support CS5/6 and revert the CSIZE setting instead. + * + * CS5 however is used to control some smartcard readers which abuse + * this limitation to switch modes. Original FTDI chips fall back to + * eight data bits. + * + * TODO: Implement a quirk to only allow this with mentioned + * readers. One I know of (Argolis Smartreader V1) + * returns "USB smartcard server" as iInterface string. + * The vendor didn't bother with a custom VID/PID of + * course. + */ + if (C_CSIZE(tty) == CS6) { + dev_warn(ddev, "requested CSIZE setting not supported\n"); + + termios->c_cflag &= ~CSIZE; + if (old_termios) + termios->c_cflag |= old_termios->c_cflag & CSIZE; + else + termios->c_cflag |= CS8; + } + cflag = termios->c_cflag; if (!old_termios) @@ -2126,44 +2641,44 @@ static void ftdi_set_termios(struct tty_struct *tty, no_skip: /* Set number of data bits, parity, stop bits */ - urb_value = 0; - urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : - FTDI_SIO_SET_DATA_STOP_BITS_1); + value = 0; + value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : + FTDI_SIO_SET_DATA_STOP_BITS_1); if (cflag & PARENB) { if (cflag & CMSPAR) - urb_value |= cflag & PARODD ? - FTDI_SIO_SET_DATA_PARITY_MARK : - FTDI_SIO_SET_DATA_PARITY_SPACE; + value |= cflag & PARODD ? + FTDI_SIO_SET_DATA_PARITY_MARK : + FTDI_SIO_SET_DATA_PARITY_SPACE; else - urb_value |= cflag & PARODD ? - FTDI_SIO_SET_DATA_PARITY_ODD : - FTDI_SIO_SET_DATA_PARITY_EVEN; + value |= cflag & PARODD ? + FTDI_SIO_SET_DATA_PARITY_ODD : + FTDI_SIO_SET_DATA_PARITY_EVEN; } else { - urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE; + value |= FTDI_SIO_SET_DATA_PARITY_NONE; } - if (cflag & CSIZE) { - switch (cflag & CSIZE) { - case CS7: - urb_value |= 7; - dev_dbg(ddev, "Setting CS7\n"); - break; - case CS8: - urb_value |= 8; - dev_dbg(ddev, "Setting CS8\n"); - break; - default: - dev_err(ddev, "CSIZE was set but not CS7-CS8\n"); - } + switch (cflag & CSIZE) { + case CS5: + dev_dbg(ddev, "Setting CS5 quirk\n"); + break; + case CS7: + value |= 7; + dev_dbg(ddev, "Setting CS7\n"); + break; + default: + case CS8: + value |= 8; + dev_dbg(ddev, "Setting CS8\n"); + break; } /* This is needed by the break command since it uses the same command - but is or'ed with this value */ - priv->last_set_data_urb_value = urb_value; + priv->last_set_data_value = value; if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), FTDI_SIO_SET_DATA_REQUEST, FTDI_SIO_SET_DATA_REQUEST_TYPE, - urb_value , priv->interface, + value, priv->channel, NULL, 0, WDR_SHORT_TIMEOUT) < 0) { dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n", __func__); @@ -2176,7 +2691,7 @@ no_data_parity_stop_changes: if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), FTDI_SIO_SET_FLOW_CTRL_REQUEST, FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - 0, priv->interface, + 0, priv->channel, NULL, 0, WDR_TIMEOUT) < 0) { dev_err(ddev, "%s error from disable flowcontrol urb\n", __func__); @@ -2190,69 +2705,34 @@ no_data_parity_stop_changes: dev_err(ddev, "%s urb failed to set baudrate\n", __func__); mutex_unlock(&priv->cfg_lock); /* Ensure RTS and DTR are raised when baudrate changed from 0 */ - if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) + if (old_termios && (old_termios->c_cflag & CBAUD) == B0) set_mctrl(port, TIOCM_DTR | TIOCM_RTS); } - /* Set flow control */ - /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ no_c_cflag_changes: - if (cflag & CRTSCTS) { - dev_dbg(ddev, "%s Setting to CRTSCTS flow control\n", __func__); - if (usb_control_msg(dev, - usb_sndctrlpipe(dev, 0), - FTDI_SIO_SET_FLOW_CTRL_REQUEST, - FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface), - NULL, 0, WDR_TIMEOUT) < 0) { - dev_err(ddev, "urb failed to set to rts/cts flow control\n"); - } + /* Set hardware-assisted flow control */ + value = 0; + + if (C_CRTSCTS(tty)) { + dev_dbg(&port->dev, "enabling rts/cts flow control\n"); + index = FTDI_SIO_RTS_CTS_HS; + } else if (I_IXON(tty)) { + dev_dbg(&port->dev, "enabling xon/xoff flow control\n"); + index = FTDI_SIO_XON_XOFF_HS; + value = STOP_CHAR(tty) << 8 | START_CHAR(tty); } else { - /* - * Xon/Xoff code - * - * Check the IXOFF status in the iflag component of the - * termios structure. If IXOFF is not set, the pre-xon/xoff - * code is executed. - */ - if (iflag & IXOFF) { - dev_dbg(ddev, "%s request to enable xonxoff iflag=%04x\n", - __func__, iflag); - /* Try to enable the XON/XOFF on the ftdi_sio - * Set the vstart and vstop -- could have been done up - * above where a lot of other dereferencing is done but - * that would be very inefficient as vstart and vstop - * are not always needed. - */ - vstart = termios->c_cc[VSTART]; - vstop = termios->c_cc[VSTOP]; - urb_value = (vstop << 8) | (vstart); - - if (usb_control_msg(dev, - usb_sndctrlpipe(dev, 0), - FTDI_SIO_SET_FLOW_CTRL_REQUEST, - FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - urb_value , (FTDI_SIO_XON_XOFF_HS - | priv->interface), - NULL, 0, WDR_TIMEOUT) < 0) { - dev_err(&port->dev, "urb failed to set to " - "xon/xoff flow control\n"); - } - } else { - /* else clause to only run if cflag ! CRTSCTS and iflag - * ! XOFF. CHECKME Assuming XON/XOFF handled by tty - * stack - not by device */ - dev_dbg(ddev, "%s Turning off hardware flow control\n", __func__); - if (usb_control_msg(dev, - usb_sndctrlpipe(dev, 0), - FTDI_SIO_SET_FLOW_CTRL_REQUEST, - FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - 0, priv->interface, - NULL, 0, WDR_TIMEOUT) < 0) { - dev_err(ddev, "urb failed to clear flow control\n"); - } - } + dev_dbg(&port->dev, "disabling flow control\n"); + index = FTDI_SIO_DISABLE_FLOW_CTRL; } + + index |= priv->channel; + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + FTDI_SIO_SET_FLOW_CTRL_REQUEST, + FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, + value, index, NULL, 0, WDR_TIMEOUT); + if (ret < 0) + dev_err(&port->dev, "failed to set flow control: %d\n", ret); } /* @@ -2273,36 +2753,26 @@ static int ftdi_get_modem_status(struct usb_serial_port *port, if (!buf) return -ENOMEM; /* - * The 8U232AM returns a two byte value (the SIO a 1 byte value) in - * the same format as the data returned from the in point. + * The device returns a two byte value (the SIO a 1 byte value) in the + * same format as the data returned from the IN endpoint. */ - switch (priv->chip_type) { - case SIO: + if (priv->chip_type == SIO) len = 1; - break; - case FT8U232AM: - case FT232BM: - case FT2232C: - case FT232RL: - case FT2232H: - case FT4232H: - case FT232H: - case FTX: + else len = 2; - break; - default: - ret = -EFAULT; - goto out; - } ret = usb_control_msg(port->serial->dev, usb_rcvctrlpipe(port->serial->dev, 0), FTDI_SIO_GET_MODEM_STATUS_REQUEST, FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, - 0, priv->interface, + 0, priv->channel, buf, len, WDR_TIMEOUT); - if (ret < 0) { + + /* NOTE: We allow short responses and handle that below. */ + if (ret < 1) { dev_err(&port->dev, "failed to get modem status: %d\n", ret); + if (ret >= 0) + ret = -EIO; ret = usb_translate_errors(ret); goto out; } @@ -2353,65 +2823,54 @@ static int ftdi_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { struct usb_serial_port *port = tty->driver_data; + void __user *argp = (void __user *)arg; - dev_dbg(&port->dev, "%s cmd 0x%04x\n", __func__, cmd); - - /* Based on code from acm.c and others */ switch (cmd) { - - case TIOCGSERIAL: /* gets serial port data */ - return get_serial_info(port, - (struct serial_struct __user *) arg); - - case TIOCSSERIAL: /* sets serial port data */ - return set_serial_info(tty, port, - (struct serial_struct __user *) arg); case TIOCSERGETLSR: - return get_lsr_info(port, (struct serial_struct __user *)arg); - break; + return get_lsr_info(port, argp); default: break; } - /* This is not necessarily an error - turns out the higher layers - * will do some ioctls themselves (see comment above) - */ - dev_dbg(&port->dev, "%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h\n", - __func__, cmd); - return -ENOIOCTLCMD; -} -static int __init ftdi_init(void) -{ - if (vendor > 0 && product > 0) { - /* Add user specified VID/PID to reserved element of table. */ - int i; - for (i = 0; id_table_combined[i].idVendor; i++) - ; - id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; - id_table_combined[i].idVendor = vendor; - id_table_combined[i].idProduct = product; - } - return usb_serial_register_drivers(serial_drivers, KBUILD_MODNAME, id_table_combined); -} - -static void __exit ftdi_exit(void) -{ - usb_serial_deregister_drivers(serial_drivers); + return -ENOIOCTLCMD; } +static struct usb_serial_driver ftdi_device = { + .driver = { + .name = "ftdi_sio", + .dev_groups = ftdi_groups, + }, + .description = "FTDI USB Serial Device", + .id_table = id_table_combined, + .num_ports = 1, + .bulk_in_size = 512, + .bulk_out_size = 256, + .probe = ftdi_probe, + .port_probe = ftdi_port_probe, + .port_remove = ftdi_port_remove, + .open = ftdi_open, + .dtr_rts = ftdi_dtr_rts, + .throttle = usb_serial_generic_throttle, + .unthrottle = usb_serial_generic_unthrottle, + .process_read_urb = ftdi_process_read_urb, + .prepare_write_buffer = ftdi_prepare_write_buffer, + .tiocmget = ftdi_tiocmget, + .tiocmset = ftdi_tiocmset, + .tiocmiwait = usb_serial_generic_tiocmiwait, + .get_icount = usb_serial_generic_get_icount, + .ioctl = ftdi_ioctl, + .get_serial = get_serial_info, + .set_serial = set_serial_info, + .set_termios = ftdi_set_termios, + .break_ctl = ftdi_break_ctl, + .tx_empty = ftdi_tx_empty, +}; -module_init(ftdi_init); -module_exit(ftdi_exit); +static struct usb_serial_driver * const serial_drivers[] = { + &ftdi_device, NULL +}; +module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); - -module_param(vendor, ushort, 0); -MODULE_PARM_DESC(vendor, "User specified vendor ID (default=" - __MODULE_STRING(FTDI_VID)")"); -module_param(product, ushort, 0); -MODULE_PARM_DESC(product, "User specified product ID"); - -module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override"); |