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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org>
Sergei Shtylyov826a1b62007-05-05 22:03:50 +02003 * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
5 */
6
7#include <linux/module.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07008#include <linux/types.h>
9#include <linux/pci.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070010#include <linux/hdreg.h>
11#include <linux/ide.h>
12#include <linux/init.h>
13
14#include <asm/io.h>
15
16struct chipset_bus_clock_list_entry {
17 u8 xfer_speed;
18 u8 chipset_settings;
19 u8 ultra_settings;
20};
21
Alan Coxf201f502006-06-28 04:27:02 -070022static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070023 { XFER_UDMA_6, 0x31, 0x07 },
24 { XFER_UDMA_5, 0x31, 0x06 },
25 { XFER_UDMA_4, 0x31, 0x05 },
26 { XFER_UDMA_3, 0x31, 0x04 },
27 { XFER_UDMA_2, 0x31, 0x03 },
28 { XFER_UDMA_1, 0x31, 0x02 },
29 { XFER_UDMA_0, 0x31, 0x01 },
30
31 { XFER_MW_DMA_2, 0x31, 0x00 },
32 { XFER_MW_DMA_1, 0x31, 0x00 },
33 { XFER_MW_DMA_0, 0x0a, 0x00 },
34 { XFER_PIO_4, 0x31, 0x00 },
35 { XFER_PIO_3, 0x33, 0x00 },
36 { XFER_PIO_2, 0x08, 0x00 },
37 { XFER_PIO_1, 0x0a, 0x00 },
38 { XFER_PIO_0, 0x00, 0x00 },
39 { 0, 0x00, 0x00 }
40};
41
Alan Coxf201f502006-06-28 04:27:02 -070042static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 { XFER_UDMA_6, 0x41, 0x06 },
44 { XFER_UDMA_5, 0x41, 0x05 },
45 { XFER_UDMA_4, 0x41, 0x04 },
46 { XFER_UDMA_3, 0x41, 0x03 },
47 { XFER_UDMA_2, 0x41, 0x02 },
48 { XFER_UDMA_1, 0x41, 0x01 },
49 { XFER_UDMA_0, 0x41, 0x01 },
50
51 { XFER_MW_DMA_2, 0x41, 0x00 },
52 { XFER_MW_DMA_1, 0x42, 0x00 },
53 { XFER_MW_DMA_0, 0x7a, 0x00 },
54 { XFER_PIO_4, 0x41, 0x00 },
55 { XFER_PIO_3, 0x43, 0x00 },
56 { XFER_PIO_2, 0x78, 0x00 },
57 { XFER_PIO_1, 0x7a, 0x00 },
58 { XFER_PIO_0, 0x70, 0x00 },
59 { 0, 0x00, 0x00 }
60};
61
62#define BUSCLOCK(D) \
63 ((struct chipset_bus_clock_list_entry *) pci_get_drvdata((D)))
64
Linus Torvalds1da177e2005-04-16 15:20:36 -070065
66/*
67 * TO DO: active tuning and correction of cards without a bios.
68 */
69static u8 pci_bus_clock_list (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
70{
71 for ( ; chipset_table->xfer_speed ; chipset_table++)
72 if (chipset_table->xfer_speed == speed) {
73 return chipset_table->chipset_settings;
74 }
75 return chipset_table->chipset_settings;
76}
77
78static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
79{
80 for ( ; chipset_table->xfer_speed ; chipset_table++)
81 if (chipset_table->xfer_speed == speed) {
82 return chipset_table->ultra_settings;
83 }
84 return chipset_table->ultra_settings;
85}
86
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020087static void aec6210_set_mode(ide_drive_t *drive, const u8 speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -070088{
89 ide_hwif_t *hwif = HWIF(drive);
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +010090 struct pci_dev *dev = to_pci_dev(hwif->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 u16 d_conf = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 u8 ultra = 0, ultra_conf = 0;
93 u8 tmp0 = 0, tmp1 = 0, tmp2 = 0;
94 unsigned long flags;
95
96 local_irq_save(flags);
97 /* 0x40|(2*drive->dn): Active, 0x41|(2*drive->dn): Recovery */
98 pci_read_config_word(dev, 0x40|(2*drive->dn), &d_conf);
99 tmp0 = pci_bus_clock_list(speed, BUSCLOCK(dev));
100 d_conf = ((tmp0 & 0xf0) << 4) | (tmp0 & 0xf);
101 pci_write_config_word(dev, 0x40|(2*drive->dn), d_conf);
102
103 tmp1 = 0x00;
104 tmp2 = 0x00;
105 pci_read_config_byte(dev, 0x54, &ultra);
106 tmp1 = ((0x00 << (2*drive->dn)) | (ultra & ~(3 << (2*drive->dn))));
107 ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev));
108 tmp2 = ((ultra_conf << (2*drive->dn)) | (tmp1 & ~(3 << (2*drive->dn))));
109 pci_write_config_byte(dev, 0x54, tmp2);
110 local_irq_restore(flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111}
112
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +0200113static void aec6260_set_mode(ide_drive_t *drive, const u8 speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114{
115 ide_hwif_t *hwif = HWIF(drive);
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100116 struct pci_dev *dev = to_pci_dev(hwif->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 u8 unit = (drive->select.b.unit & 0x01);
118 u8 tmp1 = 0, tmp2 = 0;
119 u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
120 unsigned long flags;
121
122 local_irq_save(flags);
123 /* high 4-bits: Active, low 4-bits: Recovery */
124 pci_read_config_byte(dev, 0x40|drive->dn, &drive_conf);
125 drive_conf = pci_bus_clock_list(speed, BUSCLOCK(dev));
126 pci_write_config_byte(dev, 0x40|drive->dn, drive_conf);
127
128 pci_read_config_byte(dev, (0x44|hwif->channel), &ultra);
129 tmp1 = ((0x00 << (4*unit)) | (ultra & ~(7 << (4*unit))));
130 ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev));
131 tmp2 = ((ultra_conf << (4*unit)) | (tmp1 & ~(7 << (4*unit))));
132 pci_write_config_byte(dev, (0x44|hwif->channel), tmp2);
133 local_irq_restore(flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134}
135
Bartlomiej Zolnierkiewicz26bcb872007-10-11 23:54:00 +0200136static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137{
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200138 drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139}
140
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name)
142{
Bartlomiej Zolnierkiewiczebae41a2008-04-27 15:38:29 +0200143 int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145 if (bus_speed <= 33)
146 pci_set_drvdata(dev, (void *) aec6xxx_33_base);
147 else
148 pci_set_drvdata(dev, (void *) aec6xxx_34_base);
149
Thibaut VARENEd237bf42006-02-03 03:03:48 -0800150 /* These are necessary to get AEC6280 Macintosh cards to work */
151 if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) ||
152 (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)) {
153 u8 reg49h = 0, reg4ah = 0;
154 /* Clear reset and test bits. */
155 pci_read_config_byte(dev, 0x49, &reg49h);
156 pci_write_config_byte(dev, 0x49, reg49h & ~0x30);
157 /* Enable chip interrupt output. */
158 pci_read_config_byte(dev, 0x4a, &reg4ah);
159 pci_write_config_byte(dev, 0x4a, reg4ah & ~0x01);
160 /* Enable burst mode. */
161 pci_read_config_byte(dev, 0x4a, &reg4ah);
162 pci_write_config_byte(dev, 0x4a, reg4ah | 0x80);
163 }
164
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 return dev->irq;
166}
167
Bartlomiej Zolnierkiewiczbfa14b42008-02-02 19:56:31 +0100168static u8 __devinit atp86x_cable_detect(ide_hwif_t *hwif)
169{
170 struct pci_dev *dev = to_pci_dev(hwif->dev);
171 u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01;
172
173 pci_read_config_byte(dev, 0x49, &ata66);
174
175 return (ata66 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
176}
177
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200178static const struct ide_port_ops atp850_port_ops = {
179 .set_pio_mode = aec_set_pio_mode,
180 .set_dma_mode = aec6210_set_mode,
181};
Bartlomiej Zolnierkiewicz18137202007-05-10 00:01:07 +0200182
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200183static const struct ide_port_ops atp86x_port_ops = {
184 .set_pio_mode = aec_set_pio_mode,
185 .set_dma_mode = aec6260_set_mode,
186 .cable_detect = atp86x_cable_detect,
187};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +0200189static const struct ide_port_info aec62xx_chipsets[] __devinitdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190 { /* 0 */
191 .name = "AEC6210",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 .init_chipset = init_chipset_aec62xx,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200194 .port_ops = &atp850_port_ops,
Bartlomiej Zolnierkiewicz1c513612007-10-19 00:30:10 +0200195 .host_flags = IDE_HFLAG_SERIALIZE |
196 IDE_HFLAG_NO_ATAPI_DMA |
Bartlomiej Zolnierkiewicz4166c192008-02-01 23:09:30 +0100197 IDE_HFLAG_NO_DSC |
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100198 IDE_HFLAG_ABUSE_SET_DMA_MODE |
Bartlomiej Zolnierkiewicz1c513612007-10-19 00:30:10 +0200199 IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +0200200 .pio_mask = ATA_PIO4,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200201 .mwdma_mask = ATA_MWDMA2,
202 .udma_mask = ATA_UDMA2,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203 },{ /* 1 */
204 .name = "AEC6260",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205 .init_chipset = init_chipset_aec62xx,
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200206 .port_ops = &atp86x_port_ops,
Bartlomiej Zolnierkiewicz47b68782007-10-19 00:30:06 +0200207 .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_NO_AUTODMA |
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100208 IDE_HFLAG_ABUSE_SET_DMA_MODE |
Bartlomiej Zolnierkiewicz47b68782007-10-19 00:30:06 +0200209 IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +0200210 .pio_mask = ATA_PIO4,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200211 .mwdma_mask = ATA_MWDMA2,
212 .udma_mask = ATA_UDMA4,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213 },{ /* 2 */
214 .name = "AEC6260R",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215 .init_chipset = init_chipset_aec62xx,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216 .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200217 .port_ops = &atp86x_port_ops,
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100218 .host_flags = IDE_HFLAG_NO_ATAPI_DMA |
Bartlomiej Zolnierkiewicz5e71d9c2008-04-26 17:36:35 +0200219 IDE_HFLAG_ABUSE_SET_DMA_MODE |
220 IDE_HFLAG_NON_BOOTABLE,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +0200221 .pio_mask = ATA_PIO4,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200222 .mwdma_mask = ATA_MWDMA2,
223 .udma_mask = ATA_UDMA4,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224 },{ /* 3 */
Sergei Shtylyovb1d19db2007-07-09 23:17:56 +0200225 .name = "AEC6280",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226 .init_chipset = init_chipset_aec62xx,
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200227 .port_ops = &atp86x_port_ops,
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100228 .host_flags = IDE_HFLAG_NO_ATAPI_DMA |
229 IDE_HFLAG_ABUSE_SET_DMA_MODE |
230 IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +0200231 .pio_mask = ATA_PIO4,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200232 .mwdma_mask = ATA_MWDMA2,
233 .udma_mask = ATA_UDMA5,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234 },{ /* 4 */
Sergei Shtylyovb1d19db2007-07-09 23:17:56 +0200235 .name = "AEC6280R",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 .init_chipset = init_chipset_aec62xx,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237 .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200238 .port_ops = &atp86x_port_ops,
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100239 .host_flags = IDE_HFLAG_NO_ATAPI_DMA |
240 IDE_HFLAG_ABUSE_SET_DMA_MODE |
241 IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +0200242 .pio_mask = ATA_PIO4,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200243 .mwdma_mask = ATA_MWDMA2,
244 .udma_mask = ATA_UDMA5,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 }
246};
247
248/**
249 * aec62xx_init_one - called when a AEC is found
250 * @dev: the aec62xx device
251 * @id: the matching pci id
252 *
253 * Called when the PCI registration layer (or the IDE initialization)
254 * finds a device matching our IDE device tables.
Sergei Shtylyovb1d19db2007-07-09 23:17:56 +0200255 *
256 * NOTE: since we're going to modify the 'name' field for AEC-6[26]80[R]
Bartlomiej Zolnierkiewicz039788e2007-10-20 00:32:34 +0200257 * chips, pass a local copy of 'struct ide_port_info' down the call chain.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258 */
Bartlomiej Zolnierkiewicz039788e2007-10-20 00:32:34 +0200259
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
261{
Bartlomiej Zolnierkiewicz039788e2007-10-20 00:32:34 +0200262 struct ide_port_info d;
Bartlomiej Zolnierkiewiczdf95f5a2007-10-19 00:30:08 +0200263 u8 idx = id->driver_data;
Aleksandar Radovanovicb48d0812007-11-27 21:35:53 +0100264 int err;
265
266 err = pci_enable_device(dev);
267 if (err)
268 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269
Bartlomiej Zolnierkiewiczdf95f5a2007-10-19 00:30:08 +0200270 d = aec62xx_chipsets[idx];
271
272 if (idx == 3 || idx == 4) {
273 unsigned long dma_base = pci_resource_start(dev, 4);
274
275 if (inb(dma_base + 2) & 0x10) {
276 d.name = (idx == 4) ? "AEC6880R" : "AEC6880";
277 d.udma_mask = ATA_UDMA6;
278 }
279 }
280
Aleksandar Radovanovicb48d0812007-11-27 21:35:53 +0100281 err = ide_setup_pci_device(dev, &d);
282 if (err)
283 pci_disable_device(dev);
284
285 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286}
287
Bartlomiej Zolnierkiewicz9cbcc5e2007-10-16 22:29:56 +0200288static const struct pci_device_id aec62xx_pci_tbl[] = {
289 { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
290 { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP860), 1 },
291 { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R), 2 },
292 { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP865), 3 },
293 { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R), 4 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 { 0, },
295};
296MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);
297
298static struct pci_driver driver = {
299 .name = "AEC62xx_IDE",
300 .id_table = aec62xx_pci_tbl,
301 .probe = aec62xx_init_one,
302};
303
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100304static int __init aec62xx_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305{
306 return ide_pci_register_driver(&driver);
307}
308
309module_init(aec62xx_ide_init);
310
311MODULE_AUTHOR("Andre Hedrick");
312MODULE_DESCRIPTION("PCI driver module for ARTOP AEC62xx IDE");
313MODULE_LICENSE("GPL");