drivers/ata/pata_isapnp.c

1 // SPDX-License-Identifier: GPL-2.0-only
4  *   pata-isapnp.c - ISA PnP PATA controller driver.
7  *   Based in part on ide-pnp.c by Andrey Panin <pazke@donpac.ru>
17 #include <linux/ata.h>
40  *	isapnp_init_one		-	attach an isapnp interface
57 		return -ENODEV;  in isapnp_init_one()
65 	host = ata_host_alloc(&idev->dev, 1);  in isapnp_init_one()
67 		return -ENOMEM;  in isapnp_init_one()
70 	cmd_addr = devm_ioport_map(&idev->dev, pnp_port_start(idev, 0), 8);  in isapnp_init_one()
72 		return -ENOMEM;  in isapnp_init_one()
74 	ap = host->ports[0];  in isapnp_init_one()
76 	ap->ops = &isapnp_noalt_port_ops;  in isapnp_init_one()
77 	ap->pio_mask = ATA_PIO0;  in isapnp_init_one()
78 	ap->flags |= ATA_FLAG_SLAVE_POSS;  in isapnp_init_one()
80 	ap->ioaddr.cmd_addr = cmd_addr;  in isapnp_init_one()
83 		ctl_addr = devm_ioport_map(&idev->dev,  in isapnp_init_one()
86 			return -ENOMEM;  in isapnp_init_one()
88 		ap->ioaddr.altstatus_addr = ctl_addr;  in isapnp_init_one()
89 		ap->ioaddr.ctl_addr = ctl_addr;  in isapnp_init_one()
90 		ap->ops = &isapnp_port_ops;  in isapnp_init_one()
93 	ata_sff_std_ports(&ap->ioaddr);  in isapnp_init_one()
105  *	isapnp_remove_one	-	unplug an isapnp interface
108  *	Remove a previously configured PnP ATA port. Called only on module
114 	struct device *dev = &idev->dev;  in isapnp_remove_one()
121   	/* Generic ESDI/IDE/ATA compatible hard disk controller */
137 MODULE_DESCRIPTION("low-level driver for ISA PnP ATA");