1 /*
2  * Copyright (C) 2006		Red Hat <evan_ko@phison.com>
3  *
4  *  May be copied or modified under the terms of the GNU General Public License
5  *
6  *  [Modify History]
7  *   #0001, Evan, 2008.10.22, V0.00, New release.
8  *   #0002, Evan, 2008.11.01, V0.90, Test Work In Ubuntu Linux 8.04.
9  *   #0003, Evan, 2008.01.08, V0.91, Change Name "PCIE-SSD" to "E-BOX".
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/pci.h>
15 #include <linux/init.h>
16 #include <linux/blkdev.h>
17 #include <linux/delay.h>
18 #include <linux/device.h>
19 #include <scsi/scsi_host.h>
20 #include <linux/libata.h>
21 #include <linux/ata.h>
22 
23 #define PHISON_DEBUG
24 
25 #define DRV_NAME		"phison_e-box"	/* #0003 */
26 #define DRV_VERSION		"0.91"		/* #0003 */
27 
28 #define PCI_VENDOR_ID_PHISON	0x1987
29 #define PCI_DEVICE_ID_PS5000	0x5000
30 
phison_pre_reset(struct ata_link * link,unsigned long deadline)31 static int phison_pre_reset(struct ata_link *link, unsigned long deadline)
32 {
33 	int ret;
34 	struct ata_port *ap = link->ap;
35 
36 	ap->cbl = ATA_CBL_NONE;
37 	ret = ata_std_prereset(link, deadline);
38 	dev_dbg(ap->dev, "phison_pre_reset(), ret = %x\n", ret);
39 	return ret;
40 }
41 
42 static struct scsi_host_template phison_sht = {
43 	ATA_BMDMA_SHT(DRV_NAME),
44 };
45 
46 static struct ata_port_operations phison_ops = {
47 	.inherits		= &ata_bmdma_port_ops,
48 	.prereset		= phison_pre_reset,
49 };
50 
phison_init_one(struct pci_dev * pdev,const struct pci_device_id * id)51 static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
52 {
53 	int ret;
54 	struct ata_port_info info = {
55 		.flags		= ATA_FLAG_NO_ATAPI,
56 
57 		.pio_mask	= 0x1f,
58 		.mwdma_mask	= 0x07,
59 		.udma_mask	= ATA_UDMA5,
60 
61 		.port_ops	= &phison_ops,
62 	};
63 	const struct ata_port_info *ppi[] = { &info, NULL };
64 
65 	ret = ata_pci_bmdma_init_one(pdev, ppi, &phison_sht, NULL, 0);
66 
67 	dev_dbg(&pdev->dev, "phison_init_one(), ret = %x\n", ret);
68 
69 	return ret;
70 }
71 
72 static DEFINE_PCI_DEVICE_TABLE(phison_pci_tbl) = {
73 	{ PCI_DEVICE(PCI_VENDOR_ID_PHISON, PCI_DEVICE_ID_PS5000),
74 	  PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
75 	{ 0, },
76 };
77 MODULE_DEVICE_TABLE(pci, phison_pci_tbl);
78 
79 static struct pci_driver phison_pci_driver = {
80 	.name		= DRV_NAME,
81 	.id_table	= phison_pci_tbl,
82 	.probe		= phison_init_one,
83 	.remove		= ata_pci_remove_one,
84 #ifdef CONFIG_PM	/* haven't tested it. */
85 	.suspend	= ata_pci_device_suspend,
86 	.resume		= ata_pci_device_resume,
87 #endif
88 };
89 
phison_ide_init(void)90 static int __init phison_ide_init(void)
91 {
92 	return pci_register_driver(&phison_pci_driver);
93 }
94 
phison_ide_exit(void)95 static void __exit phison_ide_exit(void)
96 {
97 	pci_unregister_driver(&phison_pci_driver);
98 }
99 
100 module_init(phison_ide_init);
101 module_exit(phison_ide_exit);
102 
103 MODULE_AUTHOR("Evan Ko");
104 MODULE_DESCRIPTION("PCIE driver module for PHISON PS5000 E-BOX");
105 MODULE_LICENSE("GPL");
106 MODULE_VERSION(DRV_VERSION);
107