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path: root/drivers/usb/serial/io_ionsp.h
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Diffstat (limited to 'drivers/usb/serial/io_ionsp.h')
-rw-r--r--drivers/usb/serial/io_ionsp.h95
1 files changed, 48 insertions, 47 deletions
diff --git a/drivers/usb/serial/io_ionsp.h b/drivers/usb/serial/io_ionsp.h
index 092e03d2dfc4..5cc591bae54d 100644
--- a/drivers/usb/serial/io_ionsp.h
+++ b/drivers/usb/serial/io_ionsp.h
@@ -89,10 +89,10 @@ All 16-bit fields are sent in little-endian (Intel) format.
//
struct int_status_pkt {
- __u16 RxBytesAvail; // Additional bytes available to
- // be read from Bulk IN pipe
- __u16 TxCredits[ MAX_RS232_PORTS ]; // Additional space available in
- // given port's TxBuffer
+ __u16 RxBytesAvail; // Additional bytes available to
+ // be read from Bulk IN pipe
+ __u16 TxCredits[MAX_RS232_PORTS]; // Additional space available in
+ // given port's TxBuffer
};
@@ -115,24 +115,24 @@ struct int_status_pkt {
#define IOSP_CMD_STAT_BIT 0x80 // If set, this is command/status header
#define IS_CMD_STAT_HDR(Byte1) ((Byte1) & IOSP_CMD_STAT_BIT)
-#define IS_DATA_HDR(Byte1) (! IS_CMD_STAT_HDR(Byte1))
+#define IS_DATA_HDR(Byte1) (!IS_CMD_STAT_HDR(Byte1))
#define IOSP_GET_HDR_PORT(Byte1) ((__u8) ((Byte1) & IOSP_PORT_MASK))
-#define IOSP_GET_HDR_DATA_LEN(Byte1, Byte2) ((__u16) ( ((__u16)((Byte1) & 0x78)) << 5) | (Byte2))
+#define IOSP_GET_HDR_DATA_LEN(Byte1, Byte2) ((__u16) (((__u16)((Byte1) & 0x78)) << 5) | (Byte2))
#define IOSP_GET_STATUS_CODE(Byte1) ((__u8) (((Byte1) & 0x78) >> 3))
//
// These macros build the 1st and 2nd bytes for a data header
//
-#define IOSP_BUILD_DATA_HDR1(Port, Len) ((__u8) (((Port) | ((__u8) (((__u16) (Len)) >> 5) & 0x78 ))))
+#define IOSP_BUILD_DATA_HDR1(Port, Len) ((__u8) (((Port) | ((__u8) (((__u16) (Len)) >> 5) & 0x78))))
#define IOSP_BUILD_DATA_HDR2(Port, Len) ((__u8) (Len))
//
// These macros build the 1st and 2nd bytes for a command header
//
-#define IOSP_BUILD_CMD_HDR1(Port, Cmd) ((__u8) ( IOSP_CMD_STAT_BIT | (Port) | ((__u8) ((Cmd) << 3)) ))
+#define IOSP_BUILD_CMD_HDR1(Port, Cmd) ((__u8) (IOSP_CMD_STAT_BIT | (Port) | ((__u8) ((Cmd) << 3))))
//--------------------------------------------------------------
@@ -194,24 +194,25 @@ struct int_status_pkt {
// Define macros to simplify building of IOSP cmds
//
-#define MAKE_CMD_WRITE_REG(ppBuf, pLen, Port, Reg, Val) \
- do { \
- (*(ppBuf))[0] = IOSP_BUILD_CMD_HDR1( (Port), IOSP_WRITE_UART_REG(Reg) ); \
- (*(ppBuf))[1] = (Val); \
- \
- *ppBuf += 2; \
- *pLen += 2; \
- } while (0)
+#define MAKE_CMD_WRITE_REG(ppBuf, pLen, Port, Reg, Val) \
+do { \
+ (*(ppBuf))[0] = IOSP_BUILD_CMD_HDR1((Port), \
+ IOSP_WRITE_UART_REG(Reg)); \
+ (*(ppBuf))[1] = (Val); \
+ \
+ *ppBuf += 2; \
+ *pLen += 2; \
+} while (0)
-#define MAKE_CMD_EXT_CMD(ppBuf, pLen, Port, ExtCmd, Param) \
- do { \
- (*(ppBuf))[0] = IOSP_BUILD_CMD_HDR1( (Port), IOSP_EXT_CMD ); \
- (*(ppBuf))[1] = (ExtCmd); \
- (*(ppBuf))[2] = (Param); \
- \
- *ppBuf += 3; \
- *pLen += 3; \
- } while (0)
+#define MAKE_CMD_EXT_CMD(ppBuf, pLen, Port, ExtCmd, Param) \
+do { \
+ (*(ppBuf))[0] = IOSP_BUILD_CMD_HDR1((Port), IOSP_EXT_CMD); \
+ (*(ppBuf))[1] = (ExtCmd); \
+ (*(ppBuf))[2] = (Param); \
+ \
+ *ppBuf += 3; \
+ *pLen += 3; \
+} while (0)
@@ -310,16 +311,16 @@ struct int_status_pkt {
//
// IOSP_CMD_RX_CHECK_REQ
//
-// This command is used to assist in the implementation of the
-// IOCTL_SERIAL_PURGE Windows IOCTL.
-// This IOSP command tries to place a marker at the end of the RX
-// queue in the Edgeport. If the Edgeport RX queue is full then
-// the Check will be discarded.
-// It is up to the device driver to timeout waiting for the
-// RX_CHECK_RSP. If a RX_CHECK_RSP is received, the driver is
-// sure that all data has been received from the edgeport and
+// This command is used to assist in the implementation of the
+// IOCTL_SERIAL_PURGE Windows IOCTL.
+// This IOSP command tries to place a marker at the end of the RX
+// queue in the Edgeport. If the Edgeport RX queue is full then
+// the Check will be discarded.
+// It is up to the device driver to timeout waiting for the
+// RX_CHECK_RSP. If a RX_CHECK_RSP is received, the driver is
+// sure that all data has been received from the edgeport and
// may now purge any internal RX buffers.
-// Note tat the sequence numbers may be used to detect lost
+// Note tat the sequence numbers may be used to detect lost
// CHECK_REQs.
// Example for Port 0
@@ -341,7 +342,7 @@ struct int_status_pkt {
//
// 1ssssPPP P1P1P1P1 [ P2P2P2P2P2 ]...
//
-// ssss: 00-07 2-byte status. ssss identifies which UART register
+// ssss: 00-07 2-byte status. ssss identifies which UART register
// has changed value, and the new value is in P1.
// Note that the ssss values do not correspond to the
// 16554 register numbers given in 16554.H. Instead,
@@ -383,14 +384,14 @@ struct int_status_pkt {
// returns this in order to report
// changes in modem status lines
// (CTS, DSR, RI, CD)
-//
+//
// 0x02 // Available for future expansion
-// 0x03 //
-// 0x04 //
-// 0x05 //
-// 0x06 //
-// 0x07 //
+// 0x03 //
+// 0x04 //
+// 0x05 //
+// 0x06 //
+// 0x07 //
/****************************************************
@@ -400,7 +401,7 @@ struct int_status_pkt {
#define IOSP_STATUS_LSR_DATA 0x08 // P1 is new value of LSR register (same as STATUS_LSR)
// P2 is errored character read from
-// RxFIFO after LSR reported an error.
+// RxFIFO after LSR reported an error.
#define IOSP_EXT_STATUS 0x09 // P1 is status/response code, param in P2.
@@ -408,7 +409,7 @@ struct int_status_pkt {
// Response Codes (P1 values) for 3-byte status messages
#define IOSP_EXT_STATUS_CHASE_RSP 0 // Reply to CHASE_PORT cmd. P2 is outcome:
-#define IOSP_EXT_STATUS_CHASE_PASS 0 // P2 = 0: All Tx data drained successfully
+#define IOSP_EXT_STATUS_CHASE_PASS 0 // P2 = 0: All Tx data drained successfully
#define IOSP_EXT_STATUS_CHASE_FAIL 1 // P2 = 1: Timed out (stuck due to flow
// control from remote device).
@@ -446,9 +447,9 @@ struct int_status_pkt {
// Macros to parse status messages
//
-#define IOSP_GET_STATUS_LEN(code) ( (code) < 8 ? 2 : ((code) < 0x0A ? 3 : 4) )
+#define IOSP_GET_STATUS_LEN(code) ((code) < 8 ? 2 : ((code) < 0x0A ? 3 : 4))
-#define IOSP_STATUS_IS_2BYTE(code) ( (code) < 0x08 )
-#define IOSP_STATUS_IS_3BYTE(code) ( ((code) >= 0x08) && ((code) <= 0x0B) )
-#define IOSP_STATUS_IS_4BYTE(code) ( ((code) >= 0x0C) && ((code) <= 0x0D) )
+#define IOSP_STATUS_IS_2BYTE(code) ((code) < 0x08)
+#define IOSP_STATUS_IS_3BYTE(code) (((code) >= 0x08) && ((code) <= 0x0B))
+#define IOSP_STATUS_IS_4BYTE(code) (((code) >= 0x0C) && ((code) <= 0x0D))
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 16:52:40 +0000