/* Trying to read / write bytes on odd-byte boundaries to the Ethernet * registers causes problems. So we bit-shift the value and read / write * in 2 byte chunks. Setting the low byte to 0 does not cause problems * now as odd byte writes are only made on the bit mask / interrupt * register. This may not be the case in future Mar-2003 SJD */ unsigned char sh_edosk7705_inb(unsigned long port) { if (port >= 0x300 && port < 0x320 && port & 0x01) { return (volatile unsigned char)(generic_inw(port -1) >> 8); } return *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port); }
/* Trying to read / write bytes on odd-byte boundaries to the Ethernet * registers causes problems. So we bit-shift the value and read / write * in 2 byte chunks. Setting the low byte to 0 does not cause problems * now as odd byte writes are only made on the bit mask / interrupt * register. This may not be the case in future Mar-2003 SJD */ unsigned char sh_edosk7705_inb(unsigned long port) { if (port >= 0x300 && port < 0x320 && port & 0x01) return __raw_readw(port - 1) >> 8; return __raw_readb(sh_edosk7705_isa_port2addr(port)); }
void sh_edosk7705_outb(unsigned char value, unsigned long port) { if (port >= 0x300 && port < 0x320 && port & 0x01) { generic_outw(((unsigned short)value << 8), port -1); return; } *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port) = value; }
void sh_edosk7705_outb(unsigned char value, unsigned long port) { if (port >= 0x300 && port < 0x320 && port & 0x01) { __raw_writew(((unsigned short)value << 8), port - 1); return; } __raw_writeb(value, sh_edosk7705_isa_port2addr(port)); }