forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
2.6 KiB
108 lines
2.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* pata_netcell.c - Netcell PATA driver |
|
* |
|
* (c) 2006 Red Hat |
|
*/ |
|
|
|
#include <linux/kernel.h> |
|
#include <linux/module.h> |
|
#include <linux/pci.h> |
|
#include <linux/blkdev.h> |
|
#include <linux/delay.h> |
|
#include <linux/device.h> |
|
#include <scsi/scsi_host.h> |
|
#include <linux/libata.h> |
|
#include <linux/ata.h> |
|
|
|
#define DRV_NAME "pata_netcell" |
|
#define DRV_VERSION "0.1.7" |
|
|
|
/* No PIO or DMA methods needed for this device */ |
|
|
|
static unsigned int netcell_read_id(struct ata_device *adev, |
|
struct ata_taskfile *tf, u16 *id) |
|
{ |
|
unsigned int err_mask = ata_do_dev_read_id(adev, tf, id); |
|
/* Firmware forgets to mark words 85-87 valid */ |
|
if (err_mask == 0) |
|
id[ATA_ID_CSF_DEFAULT] |= 0x4000; |
|
return err_mask; |
|
} |
|
|
|
static struct scsi_host_template netcell_sht = { |
|
ATA_BMDMA_SHT(DRV_NAME), |
|
}; |
|
|
|
static struct ata_port_operations netcell_ops = { |
|
.inherits = &ata_bmdma_port_ops, |
|
.cable_detect = ata_cable_80wire, |
|
.read_id = netcell_read_id, |
|
}; |
|
|
|
|
|
/** |
|
* netcell_init_one - Register Netcell ATA PCI device with kernel services |
|
* @pdev: PCI device to register |
|
* @ent: Entry in netcell_pci_tbl matching with @pdev |
|
* |
|
* Called from kernel PCI layer. |
|
* |
|
* LOCKING: |
|
* Inherited from PCI layer (may sleep). |
|
* |
|
* RETURNS: |
|
* Zero on success, or -ERRNO value. |
|
*/ |
|
|
|
static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) |
|
{ |
|
static const struct ata_port_info info = { |
|
.flags = ATA_FLAG_SLAVE_POSS, |
|
/* Actually we don't really care about these as the |
|
firmware deals with it */ |
|
.pio_mask = ATA_PIO4, |
|
.mwdma_mask = ATA_MWDMA2, |
|
.udma_mask = ATA_UDMA5, /* UDMA 133 */ |
|
.port_ops = &netcell_ops, |
|
}; |
|
const struct ata_port_info *port_info[] = { &info, NULL }; |
|
int rc; |
|
|
|
ata_print_version_once(&pdev->dev, DRV_VERSION); |
|
|
|
rc = pcim_enable_device(pdev); |
|
if (rc) |
|
return rc; |
|
|
|
/* Any chip specific setup/optimisation/messages here */ |
|
ata_pci_bmdma_clear_simplex(pdev); |
|
|
|
/* And let the library code do the work */ |
|
return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0); |
|
} |
|
|
|
static const struct pci_device_id netcell_pci_tbl[] = { |
|
{ PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), }, |
|
|
|
{ } /* terminate list */ |
|
}; |
|
|
|
static struct pci_driver netcell_pci_driver = { |
|
.name = DRV_NAME, |
|
.id_table = netcell_pci_tbl, |
|
.probe = netcell_init_one, |
|
.remove = ata_pci_remove_one, |
|
#ifdef CONFIG_PM_SLEEP |
|
.suspend = ata_pci_device_suspend, |
|
.resume = ata_pci_device_resume, |
|
#endif |
|
}; |
|
|
|
module_pci_driver(netcell_pci_driver); |
|
|
|
MODULE_AUTHOR("Alan Cox"); |
|
MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID"); |
|
MODULE_LICENSE("GPL"); |
|
MODULE_DEVICE_TABLE(pci, netcell_pci_tbl); |
|
MODULE_VERSION(DRV_VERSION);
|
|
|