Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (C) 1998-2000 Michel Aubry, Maintainer |
| 3 | * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer |
| 4 | * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer |
| 5 | * |
| 6 | * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) |
| 7 | * May be copied or modified under the terms of the GNU General Public License |
| 8 | * Copyright (C) 2002 Alan Cox <alan@redhat.com> |
| 9 | * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw> |
Sergei Shtylyov | 21b8247 | 2007-03-03 17:48:52 +0100 | [diff] [blame] | 10 | * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com> |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 11 | * Copyright (C) 2007 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | * |
| 13 | * (U)DMA capable version of ali 1533/1543(C), 1535(D) |
| 14 | * |
| 15 | ********************************************************************** |
| 16 | * 9/7/99 --Parts from the above author are included and need to be |
| 17 | * converted into standard interface, once I finish the thought. |
| 18 | * |
| 19 | * Recent changes |
| 20 | * Don't use LBA48 mode on ALi <= 0xC4 |
| 21 | * Don't poke 0x79 with a non ALi northbridge |
| 22 | * Don't flip undefined bits on newer chipsets (fix Fujitsu laptop hang) |
| 23 | * Allow UDMA6 on revisions > 0xC4 |
| 24 | * |
| 25 | * Documentation |
| 26 | * Chipset documentation available under NDA only |
| 27 | * |
| 28 | */ |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/module.h> |
| 31 | #include <linux/types.h> |
| 32 | #include <linux/kernel.h> |
| 33 | #include <linux/pci.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include <linux/hdreg.h> |
| 35 | #include <linux/ide.h> |
| 36 | #include <linux/init.h> |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 37 | #include <linux/dmi.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
| 39 | #include <asm/io.h> |
| 40 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | /* |
Bartlomiej Zolnierkiewicz | 63b1623 | 2008-05-14 23:06:16 +0200 | [diff] [blame] | 42 | * Allow UDMA on M1543C-E chipset for WDC disks that ignore CRC checking |
| 43 | * (this is DANGEROUS and could result in data corruption). |
| 44 | */ |
| 45 | static int wdc_udma; |
| 46 | |
| 47 | module_param(wdc_udma, bool, 0); |
| 48 | MODULE_PARM_DESC(wdc_udma, |
| 49 | "allow UDMA on M1543C-E chipset for WDC disks (DANGEROUS)"); |
| 50 | |
| 51 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | * ALi devices are not plug in. Otherwise these static values would |
| 53 | * need to go. They ought to go away anyway |
| 54 | */ |
| 55 | |
| 56 | static u8 m5229_revision; |
| 57 | static u8 chip_is_1543c_e; |
| 58 | static struct pci_dev *isa_dev; |
| 59 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | /** |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 61 | * ali_set_pio_mode - set host controller for PIO mode |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 62 | * @drive: drive |
| 63 | * @pio: PIO mode number |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | * |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 65 | * Program the controller for the given PIO mode. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | */ |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 67 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 68 | static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | ide_hwif_t *hwif = HWIF(drive); |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 71 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | int s_time, a_time, c_time; |
| 73 | u8 s_clc, a_clc, r_clc; |
| 74 | unsigned long flags; |
Bartlomiej Zolnierkiewicz | 30e5ee4 | 2008-07-15 21:21:46 +0200 | [diff] [blame] | 75 | int bus_speed = ide_pci_clk ? ide_pci_clk : 33; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | int port = hwif->channel ? 0x5c : 0x58; |
| 77 | int portFIFO = hwif->channel ? 0x55 : 0x54; |
| 78 | u8 cd_dma_fifo = 0; |
| 79 | int unit = drive->select.b.unit & 1; |
| 80 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | s_time = ide_pio_timings[pio].setup_time; |
| 82 | a_time = ide_pio_timings[pio].active_time; |
| 83 | if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) |
| 84 | s_clc = 0; |
| 85 | if ((a_clc = (a_time * bus_speed + 999) / 1000) >= 8) |
| 86 | a_clc = 0; |
| 87 | c_time = ide_pio_timings[pio].cycle_time; |
| 88 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) { |
| 90 | r_clc = 1; |
| 91 | } else { |
| 92 | if (r_clc >= 16) |
| 93 | r_clc = 0; |
| 94 | } |
| 95 | local_irq_save(flags); |
| 96 | |
| 97 | /* |
| 98 | * PIO mode => ATA FIFO on, ATAPI FIFO off |
| 99 | */ |
| 100 | pci_read_config_byte(dev, portFIFO, &cd_dma_fifo); |
| 101 | if (drive->media==ide_disk) { |
| 102 | if (unit) { |
| 103 | pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0x0F) | 0x50); |
| 104 | } else { |
| 105 | pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0xF0) | 0x05); |
| 106 | } |
| 107 | } else { |
| 108 | if (unit) { |
| 109 | pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0x0F); |
| 110 | } else { |
| 111 | pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0xF0); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | pci_write_config_byte(dev, port, s_clc); |
| 116 | pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc); |
| 117 | local_irq_restore(flags); |
Sergei Shtylyov | 21b8247 | 2007-03-03 17:48:52 +0100 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | /** |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 121 | * ali_udma_filter - compute UDMA mask |
| 122 | * @drive: IDE device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | * |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 124 | * Return available UDMA modes. |
| 125 | * |
| 126 | * The actual rules for the ALi are: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | * No UDMA on revisions <= 0x20 |
| 128 | * Disk only for revisions < 0xC2 |
Bartlomiej Zolnierkiewicz | 63b1623 | 2008-05-14 23:06:16 +0200 | [diff] [blame] | 129 | * Not WDC drives on M1543C-E (?) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | */ |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 131 | |
| 132 | static u8 ali_udma_filter(ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | { |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 134 | if (m5229_revision > 0x20 && m5229_revision < 0xC2) { |
| 135 | if (drive->media != ide_disk) |
| 136 | return 0; |
Bartlomiej Zolnierkiewicz | 63b1623 | 2008-05-14 23:06:16 +0200 | [diff] [blame] | 137 | if (chip_is_1543c_e && strstr(drive->id->model, "WDC ") && |
| 138 | wdc_udma == 0) |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 139 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | } |
| 141 | |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 142 | return drive->hwif->ultra_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | /** |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 146 | * ali_set_dma_mode - set host controller for DMA mode |
| 147 | * @drive: drive |
| 148 | * @speed: DMA mode |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | * |
| 150 | * Configure the hardware for the desired IDE transfer mode. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | */ |
Bartlomiej Zolnierkiewicz | f212ff2 | 2007-10-11 23:53:59 +0200 | [diff] [blame] | 152 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 153 | static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | { |
| 155 | ide_hwif_t *hwif = HWIF(drive); |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 156 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | u8 speed1 = speed; |
| 158 | u8 unit = (drive->select.b.unit & 0x01); |
| 159 | u8 tmpbyte = 0x00; |
| 160 | int m5229_udma = (hwif->channel) ? 0x57 : 0x56; |
| 161 | |
| 162 | if (speed == XFER_UDMA_6) |
| 163 | speed1 = 0x47; |
| 164 | |
| 165 | if (speed < XFER_UDMA_0) { |
| 166 | u8 ultra_enable = (unit) ? 0x7f : 0xf7; |
| 167 | /* |
| 168 | * clear "ultra enable" bit |
| 169 | */ |
| 170 | pci_read_config_byte(dev, m5229_udma, &tmpbyte); |
| 171 | tmpbyte &= ultra_enable; |
| 172 | pci_write_config_byte(dev, m5229_udma, tmpbyte); |
| 173 | |
Bartlomiej Zolnierkiewicz | a6fe837 | 2007-10-11 23:54:01 +0200 | [diff] [blame] | 174 | /* |
| 175 | * FIXME: Oh, my... DMA timings are never set. |
| 176 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | } else { |
| 178 | pci_read_config_byte(dev, m5229_udma, &tmpbyte); |
| 179 | tmpbyte &= (0x0f << ((1-unit) << 2)); |
| 180 | /* |
| 181 | * enable ultra dma and set timing |
| 182 | */ |
| 183 | tmpbyte |= ((0x08 | ((4-speed1)&0x07)) << (unit << 2)); |
| 184 | pci_write_config_byte(dev, m5229_udma, tmpbyte); |
| 185 | if (speed >= XFER_UDMA_3) { |
| 186 | pci_read_config_byte(dev, 0x4b, &tmpbyte); |
| 187 | tmpbyte |= 1; |
| 188 | pci_write_config_byte(dev, 0x4b, tmpbyte); |
| 189 | } |
| 190 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | } |
| 192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | * ali15x3_dma_setup - begin a DMA phase |
| 195 | * @drive: target device |
| 196 | * |
| 197 | * Returns 1 if the DMA cannot be performed, zero on success. |
| 198 | */ |
| 199 | |
| 200 | static int ali15x3_dma_setup(ide_drive_t *drive) |
| 201 | { |
| 202 | if (m5229_revision < 0xC2 && drive->media != ide_disk) { |
| 203 | if (rq_data_dir(drive->hwif->hwgroup->rq)) |
| 204 | return 1; /* try PIO instead of DMA */ |
| 205 | } |
| 206 | return ide_dma_setup(drive); |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * init_chipset_ali15x3 - Initialise an ALi IDE controller |
| 211 | * @dev: PCI device |
| 212 | * @name: Name of the controller |
| 213 | * |
| 214 | * This function initializes the ALI IDE controller and where |
| 215 | * appropriate also sets up the 1533 southbridge. |
| 216 | */ |
| 217 | |
Herbert Xu | c2f1258 | 2005-07-03 16:06:13 +0200 | [diff] [blame] | 218 | static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const char *name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | { |
| 220 | unsigned long flags; |
| 221 | u8 tmpbyte; |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 222 | struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 224 | m5229_revision = dev->revision; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 226 | isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | local_irq_save(flags); |
| 229 | |
| 230 | if (m5229_revision < 0xC2) { |
| 231 | /* |
| 232 | * revision 0x20 (1543-E, 1543-F) |
| 233 | * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E) |
| 234 | * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7 |
| 235 | */ |
| 236 | pci_read_config_byte(dev, 0x4b, &tmpbyte); |
| 237 | /* |
| 238 | * clear bit 7 |
| 239 | */ |
| 240 | pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F); |
Bartlomiej Zolnierkiewicz | cad221a | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 241 | /* |
| 242 | * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010 |
| 243 | */ |
| 244 | if (m5229_revision >= 0x20 && isa_dev) { |
| 245 | pci_read_config_byte(isa_dev, 0x5e, &tmpbyte); |
| 246 | chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0; |
| 247 | } |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 248 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | /* |
| 252 | * 1543C-B?, 1535, 1535D, 1553 |
| 253 | * Note 1: not all "motherboard" support this detection |
| 254 | * Note 2: if no udma 66 device, the detection may "error". |
| 255 | * but in this case, we will not set the device to |
| 256 | * ultra 66, the detection result is not important |
| 257 | */ |
| 258 | |
| 259 | /* |
| 260 | * enable "Cable Detection", m5229, 0x4b, bit3 |
| 261 | */ |
| 262 | pci_read_config_byte(dev, 0x4b, &tmpbyte); |
| 263 | pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08); |
| 264 | |
| 265 | /* |
| 266 | * We should only tune the 1533 enable if we are using an ALi |
| 267 | * North bridge. We might have no north found on some zany |
| 268 | * box without a device at 0:0.0. The ALi bridge will be at |
| 269 | * 0:0.0 so if we didn't find one we know what is cooking. |
| 270 | */ |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 271 | if (north && north->vendor != PCI_VENDOR_ID_AL) |
| 272 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | |
| 274 | if (m5229_revision < 0xC5 && isa_dev) |
| 275 | { |
| 276 | /* |
| 277 | * set south-bridge's enable bit, m1533, 0x79 |
| 278 | */ |
| 279 | |
| 280 | pci_read_config_byte(isa_dev, 0x79, &tmpbyte); |
| 281 | if (m5229_revision == 0xC2) { |
| 282 | /* |
| 283 | * 1543C-B0 (m1533, 0x79, bit 2) |
| 284 | */ |
| 285 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x04); |
| 286 | } else if (m5229_revision >= 0xC3) { |
| 287 | /* |
| 288 | * 1553/1535 (m1533, 0x79, bit 1) |
| 289 | */ |
| 290 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02); |
| 291 | } |
| 292 | } |
Bartlomiej Zolnierkiewicz | cad221a | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 293 | |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 294 | out: |
Bartlomiej Zolnierkiewicz | cad221a | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 295 | /* |
| 296 | * CD_ROM DMA on (m5229, 0x53, bit0) |
| 297 | * Enable this bit even if we want to use PIO. |
| 298 | * PIO FIFO off (m5229, 0x53, bit1) |
| 299 | * The hardware will use 0x54h and 0x55h to control PIO FIFO. |
| 300 | * (Not on later devices it seems) |
| 301 | * |
| 302 | * 0x53 changes meaning on later revs - we must no touch |
| 303 | * bit 1 on them. Need to check if 0x20 is the right break. |
| 304 | */ |
| 305 | if (m5229_revision >= 0x20) { |
| 306 | pci_read_config_byte(dev, 0x53, &tmpbyte); |
| 307 | |
| 308 | if (m5229_revision <= 0x20) |
| 309 | tmpbyte = (tmpbyte & (~0x02)) | 0x01; |
| 310 | else if (m5229_revision == 0xc7 || m5229_revision == 0xc8) |
| 311 | tmpbyte |= 0x03; |
| 312 | else |
| 313 | tmpbyte |= 0x01; |
| 314 | |
| 315 | pci_write_config_byte(dev, 0x53, tmpbyte); |
| 316 | } |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 317 | pci_dev_put(north); |
| 318 | pci_dev_put(isa_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | local_irq_restore(flags); |
| 320 | return 0; |
| 321 | } |
| 322 | |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 323 | /* |
| 324 | * Cable special cases |
| 325 | */ |
| 326 | |
Jeff Garzik | 1855256 | 2007-10-03 15:15:40 -0400 | [diff] [blame] | 327 | static const struct dmi_system_id cable_dmi_table[] = { |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 328 | { |
| 329 | .ident = "HP Pavilion N5430", |
| 330 | .matches = { |
| 331 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Bartlomiej Zolnierkiewicz | 8663fd6 | 2007-08-01 23:46:43 +0200 | [diff] [blame] | 332 | DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 333 | }, |
| 334 | }, |
Daniel Exner | 03e6f48 | 2007-09-11 22:28:36 +0200 | [diff] [blame] | 335 | { |
| 336 | .ident = "Toshiba Satellite S1800-814", |
| 337 | .matches = { |
| 338 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 339 | DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), |
| 340 | }, |
| 341 | }, |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 342 | { } |
| 343 | }; |
| 344 | |
| 345 | static int ali_cable_override(struct pci_dev *pdev) |
| 346 | { |
| 347 | /* Fujitsu P2000 */ |
| 348 | if (pdev->subsystem_vendor == 0x10CF && |
| 349 | pdev->subsystem_device == 0x10AF) |
| 350 | return 1; |
| 351 | |
Bartlomiej Zolnierkiewicz | d151456 | 2007-11-27 21:35:56 +0100 | [diff] [blame] | 352 | /* Mitac 8317 (Winbook-A) and relatives */ |
| 353 | if (pdev->subsystem_vendor == 0x1071 && |
| 354 | pdev->subsystem_device == 0x8317) |
| 355 | return 1; |
| 356 | |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 357 | /* Systems by DMI */ |
| 358 | if (dmi_check_system(cable_dmi_table)) |
| 359 | return 1; |
| 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | /** |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 365 | * ali_cable_detect - cable detection |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | * @hwif: IDE interface |
| 367 | * |
| 368 | * This checks if the controller and the cable are capable |
| 369 | * of UDMA66 transfers. It doesn't check the drives. |
| 370 | * But see note 2 below! |
| 371 | * |
| 372 | * FIXME: frobs bits that are not defined on newer ALi devicea |
| 373 | */ |
| 374 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 375 | static u8 __devinit ali_cable_detect(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 377 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | unsigned long flags; |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 379 | u8 cbl = ATA_CBL_PATA40, tmpbyte; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | |
| 381 | local_irq_save(flags); |
| 382 | |
| 383 | if (m5229_revision >= 0xC2) { |
| 384 | /* |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 385 | * m5229 80-pin cable detection (from Host View) |
| 386 | * |
| 387 | * 0x4a bit0 is 0 => primary channel has 80-pin |
| 388 | * 0x4a bit1 is 0 => secondary channel has 80-pin |
| 389 | * |
| 390 | * Certain laptops use short but suitable cables |
| 391 | * and don't implement the detect logic. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | */ |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 393 | if (ali_cable_override(dev)) |
| 394 | cbl = ATA_CBL_PATA40_SHORT; |
| 395 | else { |
| 396 | pci_read_config_byte(dev, 0x4a, &tmpbyte); |
| 397 | if ((tmpbyte & (1 << hwif->channel)) == 0) |
| 398 | cbl = ATA_CBL_PATA80; |
| 399 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | } |
| 401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | local_irq_restore(flags); |
| 403 | |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 404 | return cbl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | } |
| 406 | |
Anton Vorontsov | 6d1cee4 | 2008-04-29 22:57:38 +0200 | [diff] [blame] | 407 | #if !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | /** |
| 409 | * init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff |
| 410 | * @hwif: interface to configure |
| 411 | * |
| 412 | * Obtain the IRQ tables for an ALi based IDE solution on the PC |
| 413 | * class platforms. This part of the code isn't applicable to the |
Anton Vorontsov | 6d1cee4 | 2008-04-29 22:57:38 +0200 | [diff] [blame] | 414 | * Sparc and PowerPC systems. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | */ |
| 416 | |
Herbert Xu | c2f1258 | 2005-07-03 16:06:13 +0200 | [diff] [blame] | 417 | static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 419 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | u8 ideic, inmir; |
| 421 | s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6, |
| 422 | 1, 11, 0, 12, 0, 14, 0, 15 }; |
| 423 | int irq = -1; |
| 424 | |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 425 | if (dev->device == PCI_DEVICE_ID_AL_M5229) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | hwif->irq = hwif->channel ? 15 : 14; |
| 427 | |
| 428 | if (isa_dev) { |
| 429 | /* |
| 430 | * read IDE interface control |
| 431 | */ |
| 432 | pci_read_config_byte(isa_dev, 0x58, &ideic); |
| 433 | |
| 434 | /* bit0, bit1 */ |
| 435 | ideic = ideic & 0x03; |
| 436 | |
| 437 | /* get IRQ for IDE Controller */ |
| 438 | if ((hwif->channel && ideic == 0x03) || |
| 439 | (!hwif->channel && !ideic)) { |
| 440 | /* |
| 441 | * get SIRQ1 routing table |
| 442 | */ |
| 443 | pci_read_config_byte(isa_dev, 0x44, &inmir); |
| 444 | inmir = inmir & 0x0f; |
| 445 | irq = irq_routing_table[inmir]; |
| 446 | } else if (hwif->channel && !(ideic & 0x01)) { |
| 447 | /* |
| 448 | * get SIRQ2 routing table |
| 449 | */ |
| 450 | pci_read_config_byte(isa_dev, 0x75, &inmir); |
| 451 | inmir = inmir & 0x0f; |
| 452 | irq = irq_routing_table[inmir]; |
| 453 | } |
| 454 | if(irq >= 0) |
| 455 | hwif->irq = irq; |
| 456 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | } |
Anton Vorontsov | 6d1cee4 | 2008-04-29 22:57:38 +0200 | [diff] [blame] | 458 | #else |
| 459 | #define init_hwif_ali15x3 NULL |
| 460 | #endif /* !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | |
| 462 | /** |
| 463 | * init_dma_ali15x3 - set up DMA on ALi15x3 |
| 464 | * @hwif: IDE interface |
Bartlomiej Zolnierkiewicz | b123f56 | 2008-04-26 22:25:22 +0200 | [diff] [blame] | 465 | * @d: IDE port info |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | * |
Bartlomiej Zolnierkiewicz | b123f56 | 2008-04-26 22:25:22 +0200 | [diff] [blame] | 467 | * Set up the DMA functionality on the ALi 15x3. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | */ |
| 469 | |
Bartlomiej Zolnierkiewicz | b123f56 | 2008-04-26 22:25:22 +0200 | [diff] [blame] | 470 | static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, |
| 471 | const struct ide_port_info *d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | { |
Bartlomiej Zolnierkiewicz | b123f56 | 2008-04-26 22:25:22 +0200 | [diff] [blame] | 473 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
| 474 | unsigned long base = ide_pci_dma_base(hwif, d); |
| 475 | |
| 476 | if (base == 0 || ide_pci_set_master(dev, d->name) < 0) |
| 477 | return -1; |
| 478 | |
Bartlomiej Zolnierkiewicz | 0ecdca2 | 2007-02-17 02:40:25 +0100 | [diff] [blame] | 479 | if (!hwif->channel) |
Bartlomiej Zolnierkiewicz | b123f56 | 2008-04-26 22:25:22 +0200 | [diff] [blame] | 480 | outb(inb(base + 2) & 0x60, base + 2); |
| 481 | |
| 482 | printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n", |
| 483 | hwif->name, base, base + 7); |
| 484 | |
| 485 | if (ide_allocate_dma_engine(hwif)) |
| 486 | return -1; |
| 487 | |
Bartlomiej Zolnierkiewicz | f37afda | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 488 | ide_setup_dma(hwif, base); |
Bartlomiej Zolnierkiewicz | b123f56 | 2008-04-26 22:25:22 +0200 | [diff] [blame] | 489 | |
| 490 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | } |
| 492 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 493 | static const struct ide_port_ops ali_port_ops = { |
| 494 | .set_pio_mode = ali_set_pio_mode, |
| 495 | .set_dma_mode = ali_set_dma_mode, |
| 496 | .udma_filter = ali_udma_filter, |
| 497 | .cable_detect = ali_cable_detect, |
| 498 | }; |
| 499 | |
Bartlomiej Zolnierkiewicz | f37afda | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 500 | static const struct ide_dma_ops ali_dma_ops = { |
| 501 | .dma_host_set = ide_dma_host_set, |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 502 | .dma_setup = ali15x3_dma_setup, |
Bartlomiej Zolnierkiewicz | f37afda | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 503 | .dma_exec_cmd = ide_dma_exec_cmd, |
| 504 | .dma_start = ide_dma_start, |
| 505 | .dma_end = __ide_dma_end, |
| 506 | .dma_test_irq = ide_dma_test_irq, |
| 507 | .dma_lost_irq = ide_dma_lost_irq, |
| 508 | .dma_timeout = ide_dma_timeout, |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 509 | }; |
| 510 | |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 511 | static const struct ide_port_info ali15x3_chipset __devinitdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | .name = "ALI15X3", |
| 513 | .init_chipset = init_chipset_ali15x3, |
| 514 | .init_hwif = init_hwif_ali15x3, |
| 515 | .init_dma = init_dma_ali15x3, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 516 | .port_ops = &ali_port_ops, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 517 | .pio_mask = ATA_PIO5, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 518 | .swdma_mask = ATA_SWDMA2, |
| 519 | .mwdma_mask = ATA_MWDMA2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | }; |
| 521 | |
| 522 | /** |
| 523 | * alim15x3_init_one - set up an ALi15x3 IDE controller |
| 524 | * @dev: PCI device to set up |
| 525 | * |
| 526 | * Perform the actual set up for an ALi15x3 that has been found by the |
| 527 | * hot plug layer. |
| 528 | */ |
| 529 | |
| 530 | static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 531 | { |
Bartlomiej Zolnierkiewicz | 039788e | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 532 | struct ide_port_info d = ali15x3_chipset; |
Bartlomiej Zolnierkiewicz | 8ac2b42a | 2008-02-01 23:09:30 +0100 | [diff] [blame] | 533 | u8 rev = dev->revision, idx = id->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 535 | /* don't use LBA48 DMA on ALi devices before rev 0xC5 */ |
| 536 | if (rev <= 0xC4) |
| 537 | d.host_flags |= IDE_HFLAG_NO_LBA48_DMA; |
| 538 | |
| 539 | if (rev >= 0x20) { |
| 540 | if (rev == 0x20) |
| 541 | d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA; |
| 542 | |
| 543 | if (rev < 0xC2) |
| 544 | d.udma_mask = ATA_UDMA2; |
| 545 | else if (rev == 0xC2 || rev == 0xC3) |
| 546 | d.udma_mask = ATA_UDMA4; |
| 547 | else if (rev == 0xC4) |
| 548 | d.udma_mask = ATA_UDMA5; |
| 549 | else |
| 550 | d.udma_mask = ATA_UDMA6; |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 551 | |
| 552 | d.dma_ops = &ali_dma_ops; |
Bartlomiej Zolnierkiewicz | 6d36b95 | 2008-04-26 22:25:21 +0200 | [diff] [blame] | 553 | } else { |
| 554 | d.host_flags |= IDE_HFLAG_NO_DMA; |
| 555 | |
| 556 | d.mwdma_mask = d.swdma_mask = 0; |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 557 | } |
| 558 | |
Bartlomiej Zolnierkiewicz | 8ac2b42a | 2008-02-01 23:09:30 +0100 | [diff] [blame] | 559 | if (idx == 0) |
| 560 | d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; |
| 561 | |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 562 | return ide_setup_pci_device(dev, &d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | } |
| 564 | |
| 565 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 566 | static const struct pci_device_id alim15x3_pci_tbl[] = { |
| 567 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 }, |
Bartlomiej Zolnierkiewicz | 8ac2b42a | 2008-02-01 23:09:30 +0100 | [diff] [blame] | 568 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | { 0, }, |
| 570 | }; |
| 571 | MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); |
| 572 | |
| 573 | static struct pci_driver driver = { |
| 574 | .name = "ALI15x3_IDE", |
| 575 | .id_table = alim15x3_pci_tbl, |
| 576 | .probe = alim15x3_init_one, |
| 577 | }; |
| 578 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 579 | static int __init ali15x3_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | { |
| 581 | return ide_pci_register_driver(&driver); |
| 582 | } |
| 583 | |
| 584 | module_init(ali15x3_ide_init); |
| 585 | |
| 586 | MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox"); |
| 587 | MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE"); |
| 588 | MODULE_LICENSE("GPL"); |