USB: ftdi_sio: checkpatch cleanups
Minor whitespace cleanups to make checkpatch happy. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
@@ -23,14 +23,16 @@
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*/
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/* Commands */
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#define FTDI_SIO_RESET 0 /* Reset the port */
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#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */
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#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */
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#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */
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#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of the port */
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#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modem status register */
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#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */
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#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */
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#define FTDI_SIO_RESET 0 /* Reset the port */
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#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */
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#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */
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#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */
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#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of
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the port */
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#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modem
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status register */
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#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */
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#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */
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#define FTDI_SIO_SET_LATENCY_TIMER 9 /* Set the latency timer */
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#define FTDI_SIO_GET_LATENCY_TIMER 10 /* Get the latency timer */
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@@ -52,7 +54,7 @@
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*/
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/* Port Identifier Table */
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#define PIT_DEFAULT 0 /* SIOA */
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#define PIT_DEFAULT 0 /* SIOA */
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#define PIT_SIOA 1 /* SIOA */
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/* The device this driver is tested with one has only one port */
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#define PIT_SIOB 2 /* SIOB */
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@@ -103,20 +105,21 @@
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* wLength: 0
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* Data: None
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* The BaudDivisor values are calculated as follows:
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* - BaseClock is either 12000000 or 48000000 depending on the device. FIXME: I wish
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* I knew how to detect old chips to select proper base clock!
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* - BaseClock is either 12000000 or 48000000 depending on the device.
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* FIXME: I wish I knew how to detect old chips to select proper base clock!
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* - BaudDivisor is a fixed point number encoded in a funny way.
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* (--WRONG WAY OF THINKING--)
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* BaudDivisor is a fixed point number encoded with following bit weighs:
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* (-2)(-1)(13..0). It is a radical with a denominator of 4, so values
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* end with 0.0 (00...), 0.25 (10...), 0.5 (01...), and 0.75 (11...).
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* (--THE REALITY--)
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* The both-bits-set has quite different meaning from 0.75 - the chip designers
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* have decided it to mean 0.125 instead of 0.75.
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* The both-bits-set has quite different meaning from 0.75 - the chip
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* designers have decided it to mean 0.125 instead of 0.75.
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* This info looked up in FTDI application note "FT8U232 DEVICES \ Data Rates
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* and Flow Control Consideration for USB to RS232".
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* - BaudDivisor = (BaseClock / 16) / BaudRate, where the (=) operation should
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* automagically re-encode the resulting value to take fractions into consideration.
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* automagically re-encode the resulting value to take fractions into
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* consideration.
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* As all values are integers, some bit twiddling is in order:
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* BaudDivisor = (BaseClock / 16 / BaudRate) |
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* (((BaseClock / 2 / BaudRate) & 4) ? 0x4000 // 0.5
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@@ -146,7 +149,7 @@
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* not supported by the FT8U232AM).
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*/
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typedef enum {
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enum ftdi_chip_type {
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SIO = 1,
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FT8U232AM = 2,
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FT232BM = 3,
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@@ -154,37 +157,36 @@ typedef enum {
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FT232RL = 5,
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FT2232H = 6,
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FT4232H = 7
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} ftdi_chip_type_t;
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};
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typedef enum {
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ftdi_sio_b300 = 0,
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ftdi_sio_b600 = 1,
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ftdi_sio_b1200 = 2,
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ftdi_sio_b2400 = 3,
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ftdi_sio_b4800 = 4,
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ftdi_sio_b9600 = 5,
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ftdi_sio_b19200 = 6,
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ftdi_sio_b38400 = 7,
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ftdi_sio_b57600 = 8,
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ftdi_sio_b115200 = 9
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} FTDI_SIO_baudrate_t;
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enum ftdi_sio_baudrate {
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ftdi_sio_b300 = 0,
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ftdi_sio_b600 = 1,
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ftdi_sio_b1200 = 2,
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ftdi_sio_b2400 = 3,
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ftdi_sio_b4800 = 4,
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ftdi_sio_b9600 = 5,
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ftdi_sio_b19200 = 6,
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ftdi_sio_b38400 = 7,
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ftdi_sio_b57600 = 8,
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ftdi_sio_b115200 = 9
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};
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/*
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* The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor values
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* are calculated internally.
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* The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor
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* values are calculated internally.
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*/
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#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA
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#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40
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#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_ODD (0x1 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_EVEN (0x2 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_MARK (0x3 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_SPACE (0x4 << 8)
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#define FTDI_SIO_SET_DATA_STOP_BITS_1 (0x0 << 11)
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#define FTDI_SIO_SET_DATA_STOP_BITS_15 (0x1 << 11)
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#define FTDI_SIO_SET_DATA_STOP_BITS_2 (0x2 << 11)
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#define FTDI_SIO_SET_BREAK (0x1 << 14)
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#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA
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#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40
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#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_ODD (0x1 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_EVEN (0x2 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_MARK (0x3 << 8)
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#define FTDI_SIO_SET_DATA_PARITY_SPACE (0x4 << 8)
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#define FTDI_SIO_SET_DATA_STOP_BITS_1 (0x0 << 11)
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#define FTDI_SIO_SET_DATA_STOP_BITS_15 (0x1 << 11)
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#define FTDI_SIO_SET_DATA_STOP_BITS_2 (0x2 << 11)
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#define FTDI_SIO_SET_BREAK (0x1 << 14)
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/* FTDI_SIO_SET_DATA */
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/*
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@@ -287,8 +289,8 @@ typedef enum {
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*
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* A value of zero in the hIndex field disables handshaking
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*
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* If Xon/Xoff handshaking is specified, the hValue field should contain the XOFF character
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* and the lValue field contains the XON character.
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* If Xon/Xoff handshaking is specified, the hValue field should contain the
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* XOFF character and the lValue field contains the XON character.
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*/
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/*
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@@ -373,7 +375,10 @@ typedef enum {
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/* FTDI_SIO_SET_ERROR_CHAR */
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/* Set the parity error replacement character for the specified communications port */
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/*
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* Set the parity error replacement character for the specified communications
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* port
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*/
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/*
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* BmRequestType: 0100 0000b
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@@ -496,9 +501,10 @@ typedef enum {
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*
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* IN Endpoint
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*
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* The device reserves the first two bytes of data on this endpoint to contain the current
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* values of the modem and line status registers. In the absence of data, the device
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* generates a message consisting of these two status bytes every 40 ms
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* The device reserves the first two bytes of data on this endpoint to contain
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* the current values of the modem and line status registers. In the absence of
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* data, the device generates a message consisting of these two status bytes
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* every 40 ms
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*
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* Byte 0: Modem Status
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*
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@@ -530,21 +536,21 @@ typedef enum {
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#define FTDI_RS0_RI (1 << 6)
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#define FTDI_RS0_RLSD (1 << 7)
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#define FTDI_RS_DR 1
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#define FTDI_RS_OE (1<<1)
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#define FTDI_RS_PE (1<<2)
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#define FTDI_RS_FE (1<<3)
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#define FTDI_RS_BI (1<<4)
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#define FTDI_RS_THRE (1<<5)
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#define FTDI_RS_TEMT (1<<6)
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#define FTDI_RS_FIFO (1<<7)
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#define FTDI_RS_DR 1
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#define FTDI_RS_OE (1<<1)
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#define FTDI_RS_PE (1<<2)
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#define FTDI_RS_FE (1<<3)
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#define FTDI_RS_BI (1<<4)
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#define FTDI_RS_THRE (1<<5)
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#define FTDI_RS_TEMT (1<<6)
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#define FTDI_RS_FIFO (1<<7)
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/*
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* OUT Endpoint
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*
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* This device reserves the first bytes of data on this endpoint contain the length
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* and port identifier of the message. For the FTDI USB Serial converter the port
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* identifier is always 1.
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* This device reserves the first bytes of data on this endpoint contain the
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* length and port identifier of the message. For the FTDI USB Serial converter
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* the port identifier is always 1.
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*
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* Byte 0: Line Status
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*
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