drivers/scsi/dc395x.c

3760  * @io_port: base I/O address
3762 static void trms1040_wait_30us(unsigned long io_port)
3765 	outb(5, io_port + TRM_S1040_GEN_TIMER);
3766 	while (!(inb(io_port + TRM_S1040_GEN_STATUS) & GTIMEOUT))
3775  * @io_port:	base I/O address
3779 static void trms1040_write_cmd(unsigned long io_port, u8 cmd, u8 addr)
3790 		outb(send_data, io_port + TRM_S1040_GEN_NVRAM);
3791 		trms1040_wait_30us(io_port);
3793 		     io_port + TRM_S1040_GEN_NVRAM);
3794 		trms1040_wait_30us(io_port);
3803 		outb(send_data, io_port + TRM_S1040_GEN_NVRAM);
3804 		trms1040_wait_30us(io_port);
3806 		     io_port + TRM_S1040_GEN_NVRAM);
3807 		trms1040_wait_30us(io_port);
3809 	outb(NVR_SELECT, io_port + TRM_S1040_GEN_NVRAM);
3810 	trms1040_wait_30us(io_port);
3820  * @io_port:	base I/O address
3824 static void trms1040_set_data(unsigned long io_port, u8 addr, u8 byte)
3830 	trms1040_write_cmd(io_port, 0x05, addr);
3838 		outb(send_data, io_port + TRM_S1040_GEN_NVRAM);
3839 		trms1040_wait_30us(io_port);
3840 		outb((send_data | NVR_CLOCK), io_port + TRM_S1040_GEN_NVRAM);
3841 		trms1040_wait_30us(io_port);
3843 	outb(NVR_SELECT, io_port + TRM_S1040_GEN_NVRAM);
3844 	trms1040_wait_30us(io_port);
3847 	outb(0, io_port + TRM_S1040_GEN_NVRAM);
3848 	trms1040_wait_30us(io_port);
3850 	outb(NVR_SELECT, io_port + TRM_S1040_GEN_NVRAM);
3851 	trms1040_wait_30us(io_port);
3855 		outb((NVR_SELECT | NVR_CLOCK), io_port + TRM_S1040_GEN_NVRAM);
3856 		trms1040_wait_30us(io_port);
3858 		outb(NVR_SELECT, io_port + TRM_S1040_GEN_NVRAM);
3859 		trms1040_wait_30us(io_port);
3861 		if (inb(io_port + TRM_S1040_GEN_NVRAM) & NVR_BITIN)
3866 	outb(0, io_port + TRM_S1040_GEN_NVRAM);
3876  * @io_port:	the base io port
3878 static void trms1040_write_all(struct NvRamType *eeprom, unsigned long io_port)
3884 	outb((inb(io_port + TRM_S1040_GEN_CONTROL) | EN_EEPROM),
3885 	     io_port + TRM_S1040_GEN_CONTROL);
3888 	trms1040_write_cmd(io_port, 0x04, 0xFF);
3889 	outb(0, io_port + TRM_S1040_GEN_NVRAM);
3890 	trms1040_wait_30us(io_port);
3894 		trms1040_set_data(io_port, addr, *b_eeprom);
3897 	trms1040_write_cmd(io_port, 0x04, 0x00);
3898 	outb(0, io_port + TRM_S1040_GEN_NVRAM);
3899 	trms1040_wait_30us(io_port);
3902 	outb((inb(io_port + TRM_S1040_GEN_CONTROL) & ~EN_EEPROM),
3903 	     io_port + TRM_S1040_GEN_CONTROL);
3913  * @io_port:	base I/O address
3918 static u8 trms1040_get_data(unsigned long io_port, u8 addr)
3925 	trms1040_write_cmd(io_port, 0x06, addr);
3929 		outb((NVR_SELECT | NVR_CLOCK), io_port + TRM_S1040_GEN_NVRAM);
3930 		trms1040_wait_30us(io_port);
3931 		outb(NVR_SELECT, io_port + TRM_S1040_GEN_NVRAM);
3934 		read_byte = inb(io_port + TRM_S1040_GEN_NVRAM);
3939 		trms1040_wait_30us(io_port);
3943 	outb(0, io_port + TRM_S1040_GEN_NVRAM);
3954  * @io_port:	the base io port
3956 static void trms1040_read_all(struct NvRamType *eeprom, unsigned long io_port)
3962 	outb((inb(io_port + TRM_S1040_GEN_CONTROL) | EN_EEPROM),
3963 	     io_port + TRM_S1040_GEN_CONTROL);
3967 		*b_eeprom = trms1040_get_data(io_port, addr);
3970 	outb((inb(io_port + TRM_S1040_GEN_CONTROL) & ~EN_EEPROM),
3971 	     io_port + TRM_S1040_GEN_CONTROL);
3984  * @io_port:	io port to read from
3986 static void check_eeprom(struct NvRamType *eeprom, unsigned long io_port)
3994 	trms1040_read_all(eeprom, io_port);	/* read eeprom */
4040 		trms1040_write_all(eeprom, io_port);
4165  * early (when this instance is created) and the io_port and irq
4245 	host->io_port = acb->io_port_base;
4319  * @io_port:	The base I/O port
4326 static int adapter_init(struct AdapterCtlBlk *acb, unsigned long io_port,
4329 	if (!request_region(io_port, io_port_len, DC395X_NAME)) {
4330 		dprintkl(KERN_ERR, "Failed to reserve IO region 0x%lx\n", io_port);
4334 	acb->io_port_base = io_port;
4346 	check_eeprom(&acb->eeprom, io_port);