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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
Bartlomiej Zolnierkiewicz58f189f2008-02-01 23:09:33 +01003 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 * May be copied or modified under the terms of the GNU General Public License
5 *
6 *
7 * 00:12.0 Unknown mass storage controller:
8 * Triones Technologies, Inc.
9 * Unknown device 0003 (rev 01)
10 *
11 * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010)
12 * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030)
13 * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010)
14 * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030)
15 * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070)
16 * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0)
17 *
18 * ide-pci.c reference
19 *
20 * Since there are two cards that report almost identically,
21 * the only discernable difference is the values reported in pcicmd.
22 * Booting-BIOS card or HPT363 :: pcicmd == 0x07
23 * Non-bootable card or HPT343 :: pcicmd == 0x05
24 */
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/module.h>
27#include <linux/types.h>
28#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#include <linux/ioport.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include <linux/interrupt.h>
31#include <linux/pci.h>
32#include <linux/init.h>
33#include <linux/ide.h>
34
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020035#define DRV_NAME "hpt34x"
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#define HPT343_DEBUG_DRIVE_INFO 0
38
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020039static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -070040{
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +010041 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
43 u8 hi_speed, lo_speed;
44
45 hi_speed = speed >> 4;
46 lo_speed = speed & 0x0f;
47
48 if (hi_speed & 7) {
49 hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
50 } else {
51 lo_speed <<= 5;
52 lo_speed >>= 5;
53 }
54
55 pci_read_config_dword(dev, 0x44, &reg1);
56 pci_read_config_dword(dev, 0x48, &reg2);
57 tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
Bartlomiej Zolnierkiewicz296d9bc2007-02-17 02:40:20 +010058 tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
Linus Torvalds1da177e2005-04-16 15:20:36 -070059 pci_write_config_dword(dev, 0x44, tmp1);
60 pci_write_config_dword(dev, 0x48, tmp2);
61
62#if HPT343_DEBUG_DRIVE_INFO
63 printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
64 " (0x%02x 0x%02x)\n",
65 drive->name, ide_xfer_verbose(speed),
66 drive->dn, reg1, tmp1, reg2, tmp2,
67 hi_speed, lo_speed);
68#endif /* HPT343_DEBUG_DRIVE_INFO */
Linus Torvalds1da177e2005-04-16 15:20:36 -070069}
70
Bartlomiej Zolnierkiewicz26bcb872007-10-11 23:54:00 +020071static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
Linus Torvalds1da177e2005-04-16 15:20:36 -070072{
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020073 hpt34x_set_mode(drive, XFER_PIO_0 + pio);
Linus Torvalds1da177e2005-04-16 15:20:36 -070074}
75
Linus Torvalds1da177e2005-04-16 15:20:36 -070076/*
77 * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
78 */
79#define HPT34X_PCI_INIT_REG 0x80
80
Bartlomiej Zolnierkiewicza326b022008-07-24 22:53:33 +020081static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070082{
83 int i = 0;
84 unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
85 unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
86 unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
87 u16 cmd;
88 unsigned long flags;
89
90 local_irq_save(flags);
91
92 pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
93 pci_read_config_word(dev, PCI_COMMAND, &cmd);
94
Alan Cox9702b5d2007-07-20 01:11:54 +020095 if (cmd & PCI_COMMAND_MEMORY)
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
Alan Cox9702b5d2007-07-20 01:11:54 +020097 else
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100 /*
101 * Since 20-23 can be assigned and are R/W, we correct them.
102 */
103 pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
104 for(i=0; i<4; i++) {
105 dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
106 dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
107 dev->resource[i].flags = IORESOURCE_IO;
108 pci_write_config_dword(dev,
109 (PCI_BASE_ADDRESS_0 + (i * 4)),
110 dev->resource[i].start);
111 }
112 pci_write_config_word(dev, PCI_COMMAND, cmd);
113
114 local_irq_restore(flags);
115
116 return dev->irq;
117}
118
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200119static const struct ide_port_ops hpt34x_port_ops = {
120 .set_pio_mode = hpt34x_set_pio_mode,
121 .set_dma_mode = hpt34x_set_mode,
122};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100124#define IDE_HFLAGS_HPT34X \
125 (IDE_HFLAG_NO_ATAPI_DMA | \
Bartlomiej Zolnierkiewicz4166c192008-02-01 23:09:30 +0100126 IDE_HFLAG_NO_DSC | \
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100127 IDE_HFLAG_NO_AUTODMA)
128
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +0200129static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200130 { /* 0: HPT343 */
131 .name = DRV_NAME,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200132 .init_chipset = init_chipset_hpt34x,
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200133 .port_ops = &hpt34x_port_ops,
Bartlomiej Zolnierkiewicz5e71d9c2008-04-26 17:36:35 +0200134 .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_NON_BOOTABLE,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200135 .pio_mask = ATA_PIO5,
136 },
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200137 { /* 1: HPT345 */
138 .name = DRV_NAME,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200139 .init_chipset = init_chipset_hpt34x,
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200140 .port_ops = &hpt34x_port_ops,
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100141 .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200142 .pio_mask = ATA_PIO5,
143#ifdef CONFIG_HPT34X_AUTODMA
144 .swdma_mask = ATA_SWDMA2,
145 .mwdma_mask = ATA_MWDMA2,
146 .udma_mask = ATA_UDMA2,
147#endif
148 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149};
150
151static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
152{
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +0200153 const struct ide_port_info *d;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 u16 pcicmd = 0;
155
156 pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
157
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200158 d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159
Bartlomiej Zolnierkiewicz6cdf6eb2008-07-24 22:53:14 +0200160 return ide_pci_init_one(dev, d, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161}
162
Bartlomiej Zolnierkiewicz9cbcc5e2007-10-16 22:29:56 +0200163static const struct pci_device_id hpt34x_pci_tbl[] = {
164 { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 { 0, },
166};
167MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
168
169static struct pci_driver driver = {
170 .name = "HPT34x_IDE",
171 .id_table = hpt34x_pci_tbl,
172 .probe = hpt34x_init_one,
Bartlomiej Zolnierkiewicz741ac622008-07-24 22:53:21 +0200173 .remove = ide_pci_remove,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174};
175
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100176static int __init hpt34x_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177{
178 return ide_pci_register_driver(&driver);
179}
180
Bartlomiej Zolnierkiewicz741ac622008-07-24 22:53:21 +0200181static void __exit hpt34x_ide_exit(void)
182{
183 pci_unregister_driver(&driver);
184}
185
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186module_init(hpt34x_ide_init);
Bartlomiej Zolnierkiewicz741ac622008-07-24 22:53:21 +0200187module_exit(hpt34x_ide_exit);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188
189MODULE_AUTHOR("Andre Hedrick");
190MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
191MODULE_LICENSE("GPL");