2 * linux/drivers/ide/pci/hpt34x.c Version 0.40 Sept 10, 2002
4 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
5 * May be copied or modified under the terms of the GNU General Public License
8 * 00:12.0 Unknown mass storage controller:
9 * Triones Technologies, Inc.
10 * Unknown device 0003 (rev 01)
12 * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010)
13 * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030)
14 * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010)
15 * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030)
16 * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070)
17 * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0)
21 * Since there are two cards that report almost identically,
22 * the only discernable difference is the values reported in pcicmd.
23 * Booting-BIOS card or HPT363 :: pcicmd == 0x07
24 * Non-bootable card or HPT343 :: pcicmd == 0x05
27 #include <linux/module.h>
28 #include <linux/types.h>
29 #include <linux/kernel.h>
30 #include <linux/delay.h>
31 #include <linux/timer.h>
33 #include <linux/ioport.h>
34 #include <linux/blkdev.h>
35 #include <linux/hdreg.h>
36 #include <linux/interrupt.h>
37 #include <linux/pci.h>
38 #include <linux/init.h>
39 #include <linux/ide.h>
44 #define HPT343_DEBUG_DRIVE_INFO 0
46 static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
48 struct pci_dev *dev = HWIF(drive)->pci_dev;
49 u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
50 u8 hi_speed, lo_speed;
52 hi_speed = speed >> 4;
53 lo_speed = speed & 0x0f;
56 hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
62 pci_read_config_dword(dev, 0x44, ®1);
63 pci_read_config_dword(dev, 0x48, ®2);
64 tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
65 tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
66 pci_write_config_dword(dev, 0x44, tmp1);
67 pci_write_config_dword(dev, 0x48, tmp2);
69 #if HPT343_DEBUG_DRIVE_INFO
70 printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
72 drive->name, ide_xfer_verbose(speed),
73 drive->dn, reg1, tmp1, reg2, tmp2,
75 #endif /* HPT343_DEBUG_DRIVE_INFO */
78 static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
80 hpt34x_set_mode(drive, XFER_PIO_0 + pio);
84 * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
86 #define HPT34X_PCI_INIT_REG 0x80
88 static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev, const char *name)
91 unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
92 unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
93 unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
97 local_irq_save(flags);
99 pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
100 pci_read_config_word(dev, PCI_COMMAND, &cmd);
102 if (cmd & PCI_COMMAND_MEMORY)
103 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
105 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
108 * Since 20-23 can be assigned and are R/W, we correct them.
110 pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
112 dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
113 dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
114 dev->resource[i].flags = IORESOURCE_IO;
115 pci_write_config_dword(dev,
116 (PCI_BASE_ADDRESS_0 + (i * 4)),
117 dev->resource[i].start);
119 pci_write_config_word(dev, PCI_COMMAND, cmd);
121 local_irq_restore(flags);
126 static void __devinit init_hwif_hpt34x(ide_hwif_t *hwif)
128 hwif->set_pio_mode = &hpt34x_set_pio_mode;
129 hwif->set_dma_mode = &hpt34x_set_mode;
132 static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
135 .init_chipset = init_chipset_hpt34x,
136 .init_hwif = init_hwif_hpt34x,
138 .host_flags = IDE_HFLAG_NO_ATAPI_DMA |
139 IDE_HFLAG_NO_AUTODMA,
140 .pio_mask = ATA_PIO5,
144 .init_chipset = init_chipset_hpt34x,
145 .init_hwif = init_hwif_hpt34x,
147 .host_flags = IDE_HFLAG_NO_ATAPI_DMA |
148 IDE_HFLAG_NO_AUTODMA |
150 .pio_mask = ATA_PIO5,
151 #ifdef CONFIG_HPT34X_AUTODMA
152 .swdma_mask = ATA_SWDMA2,
153 .mwdma_mask = ATA_MWDMA2,
154 .udma_mask = ATA_UDMA2,
159 static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
161 const struct ide_port_info *d;
164 pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
166 d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
168 return ide_setup_pci_device(dev, d);
171 static const struct pci_device_id hpt34x_pci_tbl[] = {
172 { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
175 MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
177 static struct pci_driver driver = {
178 .name = "HPT34x_IDE",
179 .id_table = hpt34x_pci_tbl,
180 .probe = hpt34x_init_one,
183 static int __init hpt34x_ide_init(void)
185 return ide_pci_register_driver(&driver);
188 module_init(hpt34x_ide_init);
190 MODULE_AUTHOR("Andre Hedrick");
191 MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
192 MODULE_LICENSE("GPL");