linux/drivers/net/usb/sr9700.h
Chen Gang 06b19b1b17 net: usb: sr9700: Use 'SR_' prefix for the common register macros
The commone register macors (e.g. RSR) is too commont to drivers, it may
be conflict with the architectures (e.g. xtensa, sh).

The related warnings (with allmodconfig under xtensa):

    CC [M]  drivers/net/usb/sr9700.o
  In file included from drivers/net/usb/sr9700.c:24:0:
  drivers/net/usb/sr9700.h:65:0: warning: "RSR" redefined
   #define RSR   0x06
   ^
  In file included from ./arch/xtensa/include/asm/bitops.h:22:0,
                   from include/linux/bitops.h:36,
                   from include/linux/kernel.h:10,
                   from include/linux/list.h:8,
                   from include/linux/module.h:9,
                   from drivers/net/usb/sr9700.c:13:
  ./arch/xtensa/include/asm/processor.h:190:0: note: this is the location of the previous definition
   #define RSR(v,sr) __asm__ __volatile__ ("rsr %0,"__stringify(sr) : "=a"(v));
   ^

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-04 13:53:02 -08:00

174 lines
5.0 KiB
C

/*
* CoreChip-sz SR9700 one chip USB 1.1 Ethernet Devices
*
* Author : Liu Junliang <liujunliang_ljl@163.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#ifndef _SR9700_H
#define _SR9700_H
/* sr9700 spec. register table on Linux platform */
/* Network Control Reg */
#define SR_NCR 0x00
#define NCR_RST (1 << 0)
#define NCR_LBK (3 << 1)
#define NCR_FDX (1 << 3)
#define NCR_WAKEEN (1 << 6)
/* Network Status Reg */
#define SR_NSR 0x01
#define NSR_RXRDY (1 << 0)
#define NSR_RXOV (1 << 1)
#define NSR_TX1END (1 << 2)
#define NSR_TX2END (1 << 3)
#define NSR_TXFULL (1 << 4)
#define NSR_WAKEST (1 << 5)
#define NSR_LINKST (1 << 6)
#define NSR_SPEED (1 << 7)
/* Tx Control Reg */
#define SR_TCR 0x02
#define TCR_CRC_DIS (1 << 1)
#define TCR_PAD_DIS (1 << 2)
#define TCR_LC_CARE (1 << 3)
#define TCR_CRS_CARE (1 << 4)
#define TCR_EXCECM (1 << 5)
#define TCR_LF_EN (1 << 6)
/* Tx Status Reg for Packet Index 1 */
#define SR_TSR1 0x03
#define TSR1_EC (1 << 2)
#define TSR1_COL (1 << 3)
#define TSR1_LC (1 << 4)
#define TSR1_NC (1 << 5)
#define TSR1_LOC (1 << 6)
#define TSR1_TLF (1 << 7)
/* Tx Status Reg for Packet Index 2 */
#define SR_TSR2 0x04
#define TSR2_EC (1 << 2)
#define TSR2_COL (1 << 3)
#define TSR2_LC (1 << 4)
#define TSR2_NC (1 << 5)
#define TSR2_LOC (1 << 6)
#define TSR2_TLF (1 << 7)
/* Rx Control Reg*/
#define SR_RCR 0x05
#define RCR_RXEN (1 << 0)
#define RCR_PRMSC (1 << 1)
#define RCR_RUNT (1 << 2)
#define RCR_ALL (1 << 3)
#define RCR_DIS_CRC (1 << 4)
#define RCR_DIS_LONG (1 << 5)
/* Rx Status Reg */
#define SR_RSR 0x06
#define RSR_AE (1 << 2)
#define RSR_MF (1 << 6)
#define RSR_RF (1 << 7)
/* Rx Overflow Counter Reg */
#define SR_ROCR 0x07
#define ROCR_ROC (0x7F << 0)
#define ROCR_RXFU (1 << 7)
/* Back Pressure Threshold Reg */
#define SR_BPTR 0x08
#define BPTR_JPT (0x0F << 0)
#define BPTR_BPHW (0x0F << 4)
/* Flow Control Threshold Reg */
#define SR_FCTR 0x09
#define FCTR_LWOT (0x0F << 0)
#define FCTR_HWOT (0x0F << 4)
/* rx/tx Flow Control Reg */
#define SR_FCR 0x0A
#define FCR_FLCE (1 << 0)
#define FCR_BKPA (1 << 4)
#define FCR_TXPEN (1 << 5)
#define FCR_TXPF (1 << 6)
#define FCR_TXP0 (1 << 7)
/* Eeprom & Phy Control Reg */
#define SR_EPCR 0x0B
#define EPCR_ERRE (1 << 0)
#define EPCR_ERPRW (1 << 1)
#define EPCR_ERPRR (1 << 2)
#define EPCR_EPOS (1 << 3)
#define EPCR_WEP (1 << 4)
/* Eeprom & Phy Address Reg */
#define SR_EPAR 0x0C
#define EPAR_EROA (0x3F << 0)
#define EPAR_PHY_ADR_MASK (0x03 << 6)
#define EPAR_PHY_ADR (0x01 << 6)
/* Eeprom & Phy Data Reg */
#define SR_EPDR 0x0D /* 0x0D ~ 0x0E for Data Reg Low & High */
/* Wakeup Control Reg */
#define SR_WCR 0x0F
#define WCR_MAGICST (1 << 0)
#define WCR_LINKST (1 << 2)
#define WCR_MAGICEN (1 << 3)
#define WCR_LINKEN (1 << 5)
/* Physical Address Reg */
#define SR_PAR 0x10 /* 0x10 ~ 0x15 6 bytes for PAR */
/* Multicast Address Reg */
#define SR_MAR 0x16 /* 0x16 ~ 0x1D 8 bytes for MAR */
/* 0x1e unused */
/* Phy Reset Reg */
#define SR_PRR 0x1F
#define PRR_PHY_RST (1 << 0)
/* Tx sdram Write Pointer Address Low */
#define SR_TWPAL 0x20
/* Tx sdram Write Pointer Address High */
#define SR_TWPAH 0x21
/* Tx sdram Read Pointer Address Low */
#define SR_TRPAL 0x22
/* Tx sdram Read Pointer Address High */
#define SR_TRPAH 0x23
/* Rx sdram Write Pointer Address Low */
#define SR_RWPAL 0x24
/* Rx sdram Write Pointer Address High */
#define SR_RWPAH 0x25
/* Rx sdram Read Pointer Address Low */
#define SR_RRPAL 0x26
/* Rx sdram Read Pointer Address High */
#define SR_RRPAH 0x27
/* Vendor ID register */
#define SR_VID 0x28 /* 0x28 ~ 0x29 2 bytes for VID */
/* Product ID register */
#define SR_PID 0x2A /* 0x2A ~ 0x2B 2 bytes for PID */
/* CHIP Revision register */
#define SR_CHIPR 0x2C
/* 0x2D --> 0xEF unused */
/* USB Device Address */
#define SR_USBDA 0xF0
#define USBDA_USBFA (0x7F << 0)
/* RX packet Counter Reg */
#define SR_RXC 0xF1
/* Tx packet Counter & USB Status Reg */
#define SR_TXC_USBS 0xF2
#define TXC_USBS_TXC0 (1 << 0)
#define TXC_USBS_TXC1 (1 << 1)
#define TXC_USBS_TXC2 (1 << 2)
#define TXC_USBS_EP1RDY (1 << 5)
#define TXC_USBS_SUSFLAG (1 << 6)
#define TXC_USBS_RXFAULT (1 << 7)
/* USB Control register */
#define SR_USBC 0xF4
#define USBC_EP3NAK (1 << 4)
#define USBC_EP3ACK (1 << 5)
/* Register access commands and flags */
#define SR_RD_REGS 0x00
#define SR_WR_REGS 0x01
#define SR_WR_REG 0x03
#define SR_REQ_RD_REG (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
#define SR_REQ_WR_REG (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
/* parameters */
#define SR_SHARE_TIMEOUT 1000
#define SR_EEPROM_LEN 256
#define SR_MCAST_SIZE 8
#define SR_MCAST_ADDR_FLAG 0x80
#define SR_MCAST_MAX 64
#define SR_TX_OVERHEAD 2 /* 2bytes header */
#define SR_RX_OVERHEAD 7 /* 3bytes header + 4crc tail */
#endif /* _SR9700_H */