2 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
4 * May be copied or modified under the terms of the GNU General Public License
7 * 00:12.0 Unknown mass storage controller:
8 * Triones Technologies, Inc.
9 * Unknown device 0003 (rev 01)
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)
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
26 #include <linux/module.h>
27 #include <linux/types.h>
28 #include <linux/kernel.h>
29 #include <linux/ioport.h>
30 #include <linux/hdreg.h>
31 #include <linux/interrupt.h>
32 #include <linux/pci.h>
33 #include <linux/init.h>
34 #include <linux/ide.h>
36 #define HPT343_DEBUG_DRIVE_INFO 0
38 static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
40 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
41 u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
42 u8 hi_speed, lo_speed;
44 hi_speed = speed >> 4;
45 lo_speed = speed & 0x0f;
48 hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
54 pci_read_config_dword(dev, 0x44, ®1);
55 pci_read_config_dword(dev, 0x48, ®2);
56 tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
57 tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
58 pci_write_config_dword(dev, 0x44, tmp1);
59 pci_write_config_dword(dev, 0x48, tmp2);
61 #if HPT343_DEBUG_DRIVE_INFO
62 printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
64 drive->name, ide_xfer_verbose(speed),
65 drive->dn, reg1, tmp1, reg2, tmp2,
67 #endif /* HPT343_DEBUG_DRIVE_INFO */
70 static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
72 hpt34x_set_mode(drive, XFER_PIO_0 + pio);
76 * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
78 #define HPT34X_PCI_INIT_REG 0x80
80 static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev, const char *name)
83 unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
84 unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
85 unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
89 local_irq_save(flags);
91 pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
92 pci_read_config_word(dev, PCI_COMMAND, &cmd);
94 if (cmd & PCI_COMMAND_MEMORY)
95 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
97 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
100 * Since 20-23 can be assigned and are R/W, we correct them.
102 pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
104 dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
105 dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
106 dev->resource[i].flags = IORESOURCE_IO;
107 pci_write_config_dword(dev,
108 (PCI_BASE_ADDRESS_0 + (i * 4)),
109 dev->resource[i].start);
111 pci_write_config_word(dev, PCI_COMMAND, cmd);
113 local_irq_restore(flags);
118 static const struct ide_port_ops hpt34x_port_ops = {
119 .set_pio_mode = hpt34x_set_pio_mode,
120 .set_dma_mode = hpt34x_set_mode,
123 #define IDE_HFLAGS_HPT34X \
124 (IDE_HFLAG_NO_ATAPI_DMA | \
126 IDE_HFLAG_ABUSE_SET_DMA_MODE | \
127 IDE_HFLAG_NO_AUTODMA)
129 static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
132 .init_chipset = init_chipset_hpt34x,
133 .port_ops = &hpt34x_port_ops,
134 .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_NON_BOOTABLE,
135 .pio_mask = ATA_PIO5,
139 .init_chipset = init_chipset_hpt34x,
140 .port_ops = &hpt34x_port_ops,
141 .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD,
142 .pio_mask = ATA_PIO5,
143 #ifdef CONFIG_HPT34X_AUTODMA
144 .swdma_mask = ATA_SWDMA2,
145 .mwdma_mask = ATA_MWDMA2,
146 .udma_mask = ATA_UDMA2,
151 static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
153 const struct ide_port_info *d;
156 pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
158 d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
160 return ide_setup_pci_device(dev, d);
163 static const struct pci_device_id hpt34x_pci_tbl[] = {
164 { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
167 MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
169 static struct pci_driver driver = {
170 .name = "HPT34x_IDE",
171 .id_table = hpt34x_pci_tbl,
172 .probe = hpt34x_init_one,
175 static int __init hpt34x_ide_init(void)
177 return ide_pci_register_driver(&driver);
180 module_init(hpt34x_ide_init);
182 MODULE_AUTHOR("Andre Hedrick");
183 MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
184 MODULE_LICENSE("GPL");