scsi: fdomain: Resurrect driver - Core

Future Domain TMC-16xx/TMC-3260 SCSI driver.

This is the core driver, common for PCI, ISA and PCMCIA cards.
Signed-off-by: Ondrej Zary <linux@zary.sk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/Kconfig

@@ -641,6 +641,10 @@ config SCSI_DMX3191D
 	  To compile this driver as a module, choose M here: the
 	  module will be called dmx3191d.
 
+config SCSI_FDOMAIN
+	tristate
+	depends on SCSI
+
 config SCSI_GDTH
 	tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support"
 	depends on PCI && SCSI

drivers/scsi/Makefile

@@ -76,6 +76,7 @@ obj-$(CONFIG_SCSI_AIC94XX)	+= aic94xx/
 obj-$(CONFIG_SCSI_PM8001)	+= pm8001/
 obj-$(CONFIG_SCSI_ISCI)		+= isci/
 obj-$(CONFIG_SCSI_IPS)		+= ips.o
+obj-$(CONFIG_SCSI_FDOMAIN)	+= fdomain.o
 obj-$(CONFIG_SCSI_GENERIC_NCR5380) += g_NCR5380.o
 obj-$(CONFIG_SCSI_QLOGIC_FAS)	+= qlogicfas408.o	qlogicfas.o
 obj-$(CONFIG_PCMCIA_QLOGIC)	+= qlogicfas408.o

drivers/scsi/fdomain.h

+/* SPDX-License-Identifier: GPL-2.0 */
+
+#define FDOMAIN_REGION_SIZE	0x10
+#define FDOMAIN_BIOS_SIZE	0x2000
+
+enum {
+	in_arbitration	= 0x02,
+	in_selection	= 0x04,
+	in_other	= 0x08,
+	disconnect	= 0x10,
+	aborted		= 0x20,
+	sent_ident	= 0x40,
+};
+
+enum in_port_type {
+	Read_SCSI_Data	 =  0,
+	SCSI_Status	 =  1,
+	TMC_Status	 =  2,
+	FIFO_Status	 =  3,	/* tmc18c50/tmc18c30 only */
+	Interrupt_Cond	 =  4,	/* tmc18c50/tmc18c30 only */
+	LSB_ID_Code	 =  5,
+	MSB_ID_Code	 =  6,
+	Read_Loopback	 =  7,
+	SCSI_Data_NoACK	 =  8,
+	Interrupt_Status =  9,
+	Configuration1	 = 10,
+	Configuration2	 = 11,	/* tmc18c50/tmc18c30 only */
+	Read_FIFO	 = 12,
+	FIFO_Data_Count	 = 14
+};
+
+enum out_port_type {
+	Write_SCSI_Data	=  0,
+	SCSI_Cntl	=  1,
+	Interrupt_Cntl	=  2,
+	SCSI_Mode_Cntl	=  3,
+	TMC_Cntl	=  4,
+	Memory_Cntl	=  5,	/* tmc18c50/tmc18c30 only */
+	Write_Loopback	=  7,
+	IO_Control	= 11,	/* tmc18c30 only */
+	Write_FIFO	= 12
+};
+
+#ifdef CONFIG_PM_SLEEP
+static const struct dev_pm_ops fdomain_pm_ops;
+#define FDOMAIN_PM_OPS	(&fdomain_pm_ops)
+#else
+#define FDOMAIN_PM_OPS	NULL
+#endif /* CONFIG_PM_SLEEP */
+
+struct Scsi_Host *fdomain_create(int base, int irq, int this_id,
+				 struct device *dev);
+int fdomain_destroy(struct Scsi_Host *sh);