Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 1 | /* |
| 2 | * pata_ali.c - ALI 15x3 PATA for new ATA layer |
| 3 | * (C) 2005 Red Hat Inc |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 4 | * |
| 5 | * based in part upon |
| 6 | * linux/drivers/ide/pci/alim15x3.c Version 0.17 2003/01/02 |
| 7 | * |
| 8 | * Copyright (C) 1998-2000 Michel Aubry, Maintainer |
| 9 | * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer |
| 10 | * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer |
| 11 | * |
| 12 | * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) |
| 13 | * May be copied or modified under the terms of the GNU General Public License |
| 14 | * Copyright (C) 2002 Alan Cox <alan@redhat.com> |
| 15 | * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw> |
| 16 | * |
| 17 | * Documentation |
| 18 | * Chipset documentation available under NDA only |
| 19 | * |
| 20 | * TODO/CHECK |
| 21 | * Cannot have ATAPI on both master & slave for rev < c2 (???) but |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 22 | * otherwise should do atapi DMA (For now for old we do PIO only for |
| 23 | * ATAPI) |
| 24 | * Review Sunblade workaround. |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 25 | */ |
| 26 | |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/pci.h> |
| 30 | #include <linux/init.h> |
| 31 | #include <linux/blkdev.h> |
| 32 | #include <linux/delay.h> |
| 33 | #include <scsi/scsi_host.h> |
| 34 | #include <linux/libata.h> |
| 35 | #include <linux/dmi.h> |
| 36 | |
| 37 | #define DRV_NAME "pata_ali" |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 38 | #define DRV_VERSION "0.7.8" |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 39 | |
Adrian Bunk | 1892225 | 2008-04-11 20:28:27 +0300 | [diff] [blame] | 40 | static int ali_atapi_dma = 0; |
Tejun Heo | 8243e63 | 2008-04-03 14:40:55 +0900 | [diff] [blame] | 41 | module_param_named(atapi_dma, ali_atapi_dma, int, 0644); |
| 42 | MODULE_PARM_DESC(atapi_dma, "Enable ATAPI DMA (0=disable, 1=enable)"); |
| 43 | |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 44 | static struct pci_dev *ali_isa_bridge; |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 45 | |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 46 | /* |
| 47 | * Cable special cases |
| 48 | */ |
| 49 | |
Jeff Garzik | 1855256 | 2007-10-03 15:15:40 -0400 | [diff] [blame] | 50 | static const struct dmi_system_id cable_dmi_table[] = { |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 51 | { |
| 52 | .ident = "HP Pavilion N5430", |
| 53 | .matches = { |
| 54 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Alan Cox | 5c8d520 | 2007-07-20 15:34:49 +0100 | [diff] [blame] | 55 | DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 56 | }, |
| 57 | }, |
Daniel Exner | 03e6f48 | 2007-09-11 22:28:36 +0200 | [diff] [blame] | 58 | { |
| 59 | .ident = "Toshiba Satelite S1800-814", |
| 60 | .matches = { |
| 61 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 62 | DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), |
| 63 | }, |
| 64 | }, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 65 | { } |
| 66 | }; |
| 67 | |
| 68 | static int ali_cable_override(struct pci_dev *pdev) |
| 69 | { |
| 70 | /* Fujitsu P2000 */ |
| 71 | if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF) |
| 72 | return 1; |
Alan Cox | 8f59a13 | 2007-11-19 14:36:28 +0000 | [diff] [blame] | 73 | /* Mitac 8317 (Winbook-A) and relatives */ |
Jeff Garzik | 11b7bec | 2007-11-23 21:12:14 -0500 | [diff] [blame] | 74 | if (pdev->subsystem_vendor == 0x1071 && pdev->subsystem_device == 0x8317) |
Alan Cox | 8f59a13 | 2007-11-19 14:36:28 +0000 | [diff] [blame] | 75 | return 1; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 76 | /* Systems by DMI */ |
| 77 | if (dmi_check_system(cable_dmi_table)) |
| 78 | return 1; |
| 79 | return 0; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * ali_c2_cable_detect - cable detection |
| 84 | * @ap: ATA port |
| 85 | * |
| 86 | * Perform cable detection for C2 and later revisions |
| 87 | */ |
| 88 | |
| 89 | static int ali_c2_cable_detect(struct ata_port *ap) |
| 90 | { |
| 91 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
| 92 | u8 ata66; |
| 93 | |
| 94 | /* Certain laptops use short but suitable cables and don't |
| 95 | implement the detect logic */ |
| 96 | |
| 97 | if (ali_cable_override(pdev)) |
Alan Cox | fc08515 | 2006-10-10 14:28:11 -0700 | [diff] [blame] | 98 | return ATA_CBL_PATA40_SHORT; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 99 | |
| 100 | /* Host view cable detect 0x4A bit 0 primary bit 1 secondary |
| 101 | Bit set for 40 pin */ |
| 102 | pci_read_config_byte(pdev, 0x4A, &ata66); |
| 103 | if (ata66 & (1 << ap->port_no)) |
| 104 | return ATA_CBL_PATA40; |
| 105 | else |
| 106 | return ATA_CBL_PATA80; |
| 107 | } |
| 108 | |
| 109 | /** |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 110 | * ali_20_filter - filter for earlier ALI DMA |
| 111 | * @ap: ALi ATA port |
| 112 | * @adev: attached device |
| 113 | * |
| 114 | * Ensure that we do not do DMA on CD devices. We may be able to |
| 115 | * fix that later on. Also ensure we do not do UDMA on WDC drives |
| 116 | */ |
| 117 | |
Alan Cox | a76b62c | 2007-03-09 09:34:07 -0500 | [diff] [blame] | 118 | static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask) |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 119 | { |
Tejun Heo | 8bfa79f | 2007-01-02 20:19:40 +0900 | [diff] [blame] | 120 | char model_num[ATA_ID_PROD_LEN + 1]; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 121 | /* No DMA on anything but a disk for now */ |
| 122 | if (adev->class != ATA_DEV_ATA) |
| 123 | mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); |
Tejun Heo | 8bfa79f | 2007-01-02 20:19:40 +0900 | [diff] [blame] | 124 | ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 125 | if (strstr(model_num, "WDC")) |
| 126 | return mask &= ~ATA_MASK_UDMA; |
Tejun Heo | c708765 | 2010-05-10 21:41:34 +0200 | [diff] [blame] | 127 | return mask; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | /** |
| 131 | * ali_fifo_control - FIFO manager |
| 132 | * @ap: ALi channel to control |
| 133 | * @adev: device for FIFO control |
| 134 | * @on: 0 for off 1 for on |
| 135 | * |
| 136 | * Enable or disable the FIFO on a given device. Because of the way the |
| 137 | * ALi FIFO works it provides a boost on ATA disk but can be confused by |
| 138 | * ATAPI and we must therefore manage it. |
| 139 | */ |
| 140 | |
| 141 | static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int on) |
| 142 | { |
| 143 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
| 144 | int pio_fifo = 0x54 + ap->port_no; |
| 145 | u8 fifo; |
| 146 | int shift = 4 * adev->devno; |
| 147 | |
| 148 | /* ATA - FIFO on set nibble to 0x05, ATAPI - FIFO off, set nibble to |
| 149 | 0x00. Not all the docs agree but the behaviour we now use is the |
| 150 | one stated in the BIOS Programming Guide */ |
Jeff Garzik | 85cd725 | 2006-08-31 00:03:49 -0400 | [diff] [blame] | 151 | |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 152 | pci_read_config_byte(pdev, pio_fifo, &fifo); |
| 153 | fifo &= ~(0x0F << shift); |
Alan Cox | 871af12 | 2009-01-05 14:16:39 +0000 | [diff] [blame] | 154 | fifo |= (on << shift); |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 155 | pci_write_config_byte(pdev, pio_fifo, fifo); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * ali_program_modes - load mode registers |
| 160 | * @ap: ALi channel to load |
| 161 | * @adev: Device the timing is for |
Bartlomiej Zolnierkiewicz | d8b3d8c | 2010-01-18 18:14:05 +0100 | [diff] [blame] | 162 | * @t: timing data |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 163 | * @ultra: UDMA timing or zero for off |
| 164 | * |
| 165 | * Loads the timing registers for cmd/data and disable UDMA if |
| 166 | * ultra is zero. If ultra is set then load and enable the UDMA |
| 167 | * timing but do not touch the command/data timing. |
| 168 | */ |
| 169 | |
| 170 | static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, struct ata_timing *t, u8 ultra) |
| 171 | { |
| 172 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
| 173 | int cas = 0x58 + 4 * ap->port_no; /* Command timing */ |
| 174 | int cbt = 0x59 + 4 * ap->port_no; /* Command timing */ |
| 175 | int drwt = 0x5A + 4 * ap->port_no + adev->devno; /* R/W timing */ |
| 176 | int udmat = 0x56 + ap->port_no; /* UDMA timing */ |
| 177 | int shift = 4 * adev->devno; |
| 178 | u8 udma; |
| 179 | |
| 180 | if (t != NULL) { |
Harvey Harrison | 07633b5 | 2008-05-14 16:17:00 -0700 | [diff] [blame] | 181 | t->setup = clamp_val(t->setup, 1, 8) & 7; |
| 182 | t->act8b = clamp_val(t->act8b, 1, 8) & 7; |
| 183 | t->rec8b = clamp_val(t->rec8b, 1, 16) & 15; |
| 184 | t->active = clamp_val(t->active, 1, 8) & 7; |
| 185 | t->recover = clamp_val(t->recover, 1, 16) & 15; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 186 | |
| 187 | pci_write_config_byte(pdev, cas, t->setup); |
| 188 | pci_write_config_byte(pdev, cbt, (t->act8b << 4) | t->rec8b); |
| 189 | pci_write_config_byte(pdev, drwt, (t->active << 4) | t->recover); |
| 190 | } |
| 191 | |
| 192 | /* Set up the UDMA enable */ |
| 193 | pci_read_config_byte(pdev, udmat, &udma); |
| 194 | udma &= ~(0x0F << shift); |
| 195 | udma |= ultra << shift; |
| 196 | pci_write_config_byte(pdev, udmat, udma); |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * ali_set_piomode - set initial PIO mode data |
| 201 | * @ap: ATA interface |
| 202 | * @adev: ATA device |
| 203 | * |
Bartlomiej Zolnierkiewicz | d8b3d8c | 2010-01-18 18:14:05 +0100 | [diff] [blame] | 204 | * Program the ALi registers for PIO mode. |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 205 | */ |
| 206 | |
| 207 | static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev) |
| 208 | { |
| 209 | struct ata_device *pair = ata_dev_pair(adev); |
| 210 | struct ata_timing t; |
| 211 | unsigned long T = 1000000000 / 33333; /* PCI clock based */ |
| 212 | |
| 213 | ata_timing_compute(adev, adev->pio_mode, &t, T, 1); |
| 214 | if (pair) { |
| 215 | struct ata_timing p; |
| 216 | ata_timing_compute(pair, pair->pio_mode, &p, T, 1); |
| 217 | ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); |
| 218 | if (pair->dma_mode) { |
| 219 | ata_timing_compute(pair, pair->dma_mode, &p, T, 1); |
| 220 | ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | /* PIO FIFO is only permitted on ATA disk */ |
| 225 | if (adev->class != ATA_DEV_ATA) |
| 226 | ali_fifo_control(ap, adev, 0x00); |
| 227 | ali_program_modes(ap, adev, &t, 0); |
| 228 | if (adev->class == ATA_DEV_ATA) |
| 229 | ali_fifo_control(ap, adev, 0x05); |
| 230 | |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * ali_set_dmamode - set initial DMA mode data |
| 235 | * @ap: ATA interface |
| 236 | * @adev: ATA device |
| 237 | * |
Bartlomiej Zolnierkiewicz | d8b3d8c | 2010-01-18 18:14:05 +0100 | [diff] [blame] | 238 | * Program the ALi registers for DMA mode. |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 239 | */ |
| 240 | |
| 241 | static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev) |
| 242 | { |
| 243 | static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD }; |
| 244 | struct ata_device *pair = ata_dev_pair(adev); |
| 245 | struct ata_timing t; |
| 246 | unsigned long T = 1000000000 / 33333; /* PCI clock based */ |
| 247 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
| 248 | |
| 249 | |
| 250 | if (adev->class == ATA_DEV_ATA) |
| 251 | ali_fifo_control(ap, adev, 0x08); |
| 252 | |
| 253 | if (adev->dma_mode >= XFER_UDMA_0) { |
| 254 | ali_program_modes(ap, adev, NULL, udma_timing[adev->dma_mode - XFER_UDMA_0]); |
| 255 | if (adev->dma_mode >= XFER_UDMA_3) { |
| 256 | u8 reg4b; |
| 257 | pci_read_config_byte(pdev, 0x4B, ®4b); |
| 258 | reg4b |= 1; |
| 259 | pci_write_config_byte(pdev, 0x4B, reg4b); |
| 260 | } |
| 261 | } else { |
| 262 | ata_timing_compute(adev, adev->dma_mode, &t, T, 1); |
| 263 | if (pair) { |
| 264 | struct ata_timing p; |
| 265 | ata_timing_compute(pair, pair->pio_mode, &p, T, 1); |
| 266 | ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); |
| 267 | if (pair->dma_mode) { |
| 268 | ata_timing_compute(pair, pair->dma_mode, &p, T, 1); |
| 269 | ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); |
| 270 | } |
| 271 | } |
| 272 | ali_program_modes(ap, adev, &t, 0); |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | /** |
Tejun Heo | 8243e63 | 2008-04-03 14:40:55 +0900 | [diff] [blame] | 277 | * ali_warn_atapi_dma - Warn about ATAPI DMA disablement |
| 278 | * @adev: Device |
| 279 | * |
| 280 | * Whine about ATAPI DMA disablement if @adev is an ATAPI device. |
| 281 | * Can be used as ->dev_config. |
| 282 | */ |
| 283 | |
| 284 | static void ali_warn_atapi_dma(struct ata_device *adev) |
| 285 | { |
| 286 | struct ata_eh_context *ehc = &adev->link->eh_context; |
| 287 | int print_info = ehc->i.flags & ATA_EHI_PRINTINFO; |
| 288 | |
| 289 | if (print_info && adev->class == ATA_DEV_ATAPI && !ali_atapi_dma) { |
| 290 | ata_dev_printk(adev, KERN_WARNING, |
Dirk Hohndel | c21c806 | 2009-09-28 21:56:07 -0400 | [diff] [blame] | 291 | "WARNING: ATAPI DMA disabled for reliability issues. It can be enabled\n"); |
Tejun Heo | 8243e63 | 2008-04-03 14:40:55 +0900 | [diff] [blame] | 292 | ata_dev_printk(adev, KERN_WARNING, |
| 293 | "WARNING: via pata_ali.atapi_dma modparam or corresponding sysfs node.\n"); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | /** |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 298 | * ali_lock_sectors - Keep older devices to 255 sector mode |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 299 | * @adev: Device |
| 300 | * |
| 301 | * Called during the bus probe for each device that is found. We use |
| 302 | * this call to lock the sector count of the device to 255 or less on |
| 303 | * older ALi controllers. If we didn't do this then large I/O's would |
| 304 | * require LBA48 commands which the older ALi requires are issued by |
| 305 | * slower PIO methods |
| 306 | */ |
| 307 | |
Alan | cd0d3bb | 2007-03-02 00:56:15 +0000 | [diff] [blame] | 308 | static void ali_lock_sectors(struct ata_device *adev) |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 309 | { |
| 310 | adev->max_sectors = 255; |
Tejun Heo | 8243e63 | 2008-04-03 14:40:55 +0900 | [diff] [blame] | 311 | ali_warn_atapi_dma(adev); |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 312 | } |
| 313 | |
Alan Cox | 498222f | 2007-11-19 14:37:58 +0000 | [diff] [blame] | 314 | /** |
| 315 | * ali_check_atapi_dma - DMA check for most ALi controllers |
| 316 | * @adev: Device |
| 317 | * |
| 318 | * Called to decide whether commands should be sent by DMA or PIO |
| 319 | */ |
Jeff Garzik | 2541d0c | 2007-11-23 21:08:42 -0500 | [diff] [blame] | 320 | |
Alan Cox | 498222f | 2007-11-19 14:37:58 +0000 | [diff] [blame] | 321 | static int ali_check_atapi_dma(struct ata_queued_cmd *qc) |
| 322 | { |
Tejun Heo | 8243e63 | 2008-04-03 14:40:55 +0900 | [diff] [blame] | 323 | if (!ali_atapi_dma) { |
| 324 | /* FIXME: pata_ali can't do ATAPI DMA reliably but the |
| 325 | * IDE alim15x3 driver can. I tried lots of things |
| 326 | * but couldn't find what the actual difference was. |
| 327 | * If you got an idea, please write it to |
| 328 | * linux-ide@vger.kernel.org and cc htejun@gmail.com. |
| 329 | * |
| 330 | * Disable ATAPI DMA for now. |
| 331 | */ |
| 332 | return -EOPNOTSUPP; |
| 333 | } |
| 334 | |
Alan Cox | 498222f | 2007-11-19 14:37:58 +0000 | [diff] [blame] | 335 | /* If its not a media command, its not worth it */ |
Tejun Heo | 4a38e73 | 2008-03-11 11:35:00 +0900 | [diff] [blame] | 336 | if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC) |
Alan Cox | 498222f | 2007-11-19 14:37:58 +0000 | [diff] [blame] | 337 | return -EOPNOTSUPP; |
| 338 | return 0; |
| 339 | } |
| 340 | |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 341 | static void ali_c2_c3_postreset(struct ata_link *link, unsigned int *classes) |
| 342 | { |
| 343 | u8 r; |
| 344 | int port_bit = 4 << link->ap->port_no; |
| 345 | |
| 346 | /* If our bridge is an ALI 1533 then do the extra work */ |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 347 | if (ali_isa_bridge) { |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 348 | /* Tristate and re-enable the bus signals */ |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 349 | pci_read_config_byte(ali_isa_bridge, 0x58, &r); |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 350 | r &= ~port_bit; |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 351 | pci_write_config_byte(ali_isa_bridge, 0x58, r); |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 352 | r |= port_bit; |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 353 | pci_write_config_byte(ali_isa_bridge, 0x58, r); |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 354 | } |
| 355 | ata_sff_postreset(link, classes); |
| 356 | } |
| 357 | |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 358 | static struct scsi_host_template ali_sht = { |
Tejun Heo | 68d1d07 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 359 | ATA_BMDMA_SHT(DRV_NAME), |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 360 | }; |
| 361 | |
| 362 | /* |
| 363 | * Port operations for PIO only ALi |
| 364 | */ |
| 365 | |
| 366 | static struct ata_port_operations ali_early_port_ops = { |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 367 | .inherits = &ata_sff_port_ops, |
Alan Cox | b723d14 | 2007-03-26 21:43:37 -0800 | [diff] [blame] | 368 | .cable_detect = ata_cable_40wire, |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 369 | .set_piomode = ali_set_piomode, |
Alan Cox | 871af12 | 2009-01-05 14:16:39 +0000 | [diff] [blame] | 370 | .sff_data_xfer = ata_sff_data_xfer32, |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 371 | }; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 372 | |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 373 | static const struct ata_port_operations ali_dma_base_ops = { |
Alan Cox | 871af12 | 2009-01-05 14:16:39 +0000 | [diff] [blame] | 374 | .inherits = &ata_bmdma32_port_ops, |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 375 | .set_piomode = ali_set_piomode, |
| 376 | .set_dmamode = ali_set_dmamode, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 377 | }; |
| 378 | |
| 379 | /* |
| 380 | * Port operations for DMA capable ALi without cable |
| 381 | * detect |
| 382 | */ |
| 383 | static struct ata_port_operations ali_20_port_ops = { |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 384 | .inherits = &ali_dma_base_ops, |
Alan Cox | b723d14 | 2007-03-26 21:43:37 -0800 | [diff] [blame] | 385 | .cable_detect = ata_cable_40wire, |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 386 | .mode_filter = ali_20_filter, |
| 387 | .check_atapi_dma = ali_check_atapi_dma, |
| 388 | .dev_config = ali_lock_sectors, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 389 | }; |
| 390 | |
| 391 | /* |
| 392 | * Port operations for DMA capable ALi with cable detect |
| 393 | */ |
| 394 | static struct ata_port_operations ali_c2_port_ops = { |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 395 | .inherits = &ali_dma_base_ops, |
Alan Cox | 498222f | 2007-11-19 14:37:58 +0000 | [diff] [blame] | 396 | .check_atapi_dma = ali_check_atapi_dma, |
Alan Cox | b723d14 | 2007-03-26 21:43:37 -0800 | [diff] [blame] | 397 | .cable_detect = ali_c2_cable_detect, |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 398 | .dev_config = ali_lock_sectors, |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 399 | .postreset = ali_c2_c3_postreset, |
| 400 | }; |
| 401 | |
| 402 | /* |
| 403 | * Port operations for DMA capable ALi with cable detect |
| 404 | */ |
| 405 | static struct ata_port_operations ali_c4_port_ops = { |
| 406 | .inherits = &ali_dma_base_ops, |
| 407 | .check_atapi_dma = ali_check_atapi_dma, |
| 408 | .cable_detect = ali_c2_cable_detect, |
| 409 | .dev_config = ali_lock_sectors, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 410 | }; |
| 411 | |
| 412 | /* |
| 413 | * Port operations for DMA capable ALi with cable detect and LBA48 |
| 414 | */ |
| 415 | static struct ata_port_operations ali_c5_port_ops = { |
Tejun Heo | 029cfd6 | 2008-03-25 12:22:49 +0900 | [diff] [blame] | 416 | .inherits = &ali_dma_base_ops, |
Alan Cox | 498222f | 2007-11-19 14:37:58 +0000 | [diff] [blame] | 417 | .check_atapi_dma = ali_check_atapi_dma, |
Tejun Heo | 8243e63 | 2008-04-03 14:40:55 +0900 | [diff] [blame] | 418 | .dev_config = ali_warn_atapi_dma, |
Alan Cox | b723d14 | 2007-03-26 21:43:37 -0800 | [diff] [blame] | 419 | .cable_detect = ali_c2_cable_detect, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 420 | }; |
| 421 | |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 422 | |
| 423 | /** |
| 424 | * ali_init_chipset - chip setup function |
| 425 | * @pdev: PCI device of ATA controller |
| 426 | * |
| 427 | * Perform the setup on the device that must be done both at boot |
| 428 | * and at resume time. |
| 429 | */ |
Jeff Garzik | f20b16f | 2006-12-11 11:14:06 -0500 | [diff] [blame] | 430 | |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 431 | static void ali_init_chipset(struct pci_dev *pdev) |
| 432 | { |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 433 | u8 tmp; |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 434 | struct pci_dev *north; |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 435 | |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 436 | /* |
| 437 | * The chipset revision selects the driver operations and |
| 438 | * mode data. |
| 439 | */ |
| 440 | |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 441 | if (pdev->revision <= 0x20) { |
| 442 | pci_read_config_byte(pdev, 0x53, &tmp); |
| 443 | tmp |= 0x03; |
| 444 | pci_write_config_byte(pdev, 0x53, tmp); |
| 445 | } else { |
| 446 | pci_read_config_byte(pdev, 0x4a, &tmp); |
| 447 | pci_write_config_byte(pdev, 0x4a, tmp | 0x20); |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 448 | pci_read_config_byte(pdev, 0x4B, &tmp); |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 449 | if (pdev->revision < 0xC2) |
| 450 | /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ |
| 451 | /* Clear CD-ROM DMA write bit */ |
| 452 | tmp &= 0x7F; |
| 453 | /* Cable and UDMA */ |
Alan Cox | d6250a0 | 2009-11-30 13:23:05 +0000 | [diff] [blame] | 454 | if (pdev->revision >= 0xc2) |
| 455 | tmp |= 0x01; |
| 456 | pci_write_config_byte(pdev, 0x4B, tmp | 0x08); |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 457 | /* |
| 458 | * CD_ROM DMA on (0x53 bit 0). Enable this even if we want |
| 459 | * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control |
| 460 | * via 0x54/55. |
| 461 | */ |
| 462 | pci_read_config_byte(pdev, 0x53, &tmp); |
| 463 | if (pdev->revision >= 0xc7) |
| 464 | tmp |= 0x03; |
| 465 | else |
| 466 | tmp |= 0x01; /* CD_ROM enable for DMA */ |
| 467 | pci_write_config_byte(pdev, 0x53, tmp); |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 468 | } |
Alan | 8e42a5a | 2006-12-04 16:36:05 +0000 | [diff] [blame] | 469 | north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 470 | if (north && north->vendor == PCI_VENDOR_ID_AL && ali_isa_bridge) { |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 471 | /* Configure the ALi bridge logic. For non ALi rely on BIOS. |
| 472 | Set the south bridge enable bit */ |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 473 | pci_read_config_byte(ali_isa_bridge, 0x79, &tmp); |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 474 | if (pdev->revision == 0xC2) |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 475 | pci_write_config_byte(ali_isa_bridge, 0x79, tmp | 0x04); |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 476 | else if (pdev->revision > 0xC2 && pdev->revision < 0xC5) |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 477 | pci_write_config_byte(ali_isa_bridge, 0x79, tmp | 0x02); |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 478 | } |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 479 | pci_dev_put(north); |
Tejun Heo | 9363c38 | 2008-04-07 22:47:16 +0900 | [diff] [blame] | 480 | ata_pci_bmdma_clear_simplex(pdev); |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 481 | } |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 482 | /** |
| 483 | * ali_init_one - discovery callback |
| 484 | * @pdev: PCI device ID |
| 485 | * @id: PCI table info |
| 486 | * |
| 487 | * An ALi IDE interface has been discovered. Figure out what revision |
| 488 | * and perform configuration work before handing it to the ATA layer |
| 489 | */ |
| 490 | |
| 491 | static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
| 492 | { |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 493 | static const struct ata_port_info info_early = { |
Jeff Garzik | 1d2808f | 2007-05-28 06:59:48 -0400 | [diff] [blame] | 494 | .flags = ATA_FLAG_SLAVE_POSS, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 495 | .pio_mask = ATA_PIO4, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 496 | .port_ops = &ali_early_port_ops |
| 497 | }; |
| 498 | /* Revision 0x20 added DMA */ |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 499 | static const struct ata_port_info info_20 = { |
Alan Cox | a3cb900 | 2009-05-13 15:02:27 +0100 | [diff] [blame] | 500 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | |
| 501 | ATA_FLAG_IGN_SIMPLEX, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 502 | .pio_mask = ATA_PIO4, |
| 503 | .mwdma_mask = ATA_MWDMA2, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 504 | .port_ops = &ali_20_port_ops |
| 505 | }; |
| 506 | /* Revision 0x20 with support logic added UDMA */ |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 507 | static const struct ata_port_info info_20_udma = { |
Alan Cox | a3cb900 | 2009-05-13 15:02:27 +0100 | [diff] [blame] | 508 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | |
| 509 | ATA_FLAG_IGN_SIMPLEX, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 510 | .pio_mask = ATA_PIO4, |
| 511 | .mwdma_mask = ATA_MWDMA2, |
| 512 | .udma_mask = ATA_UDMA2, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 513 | .port_ops = &ali_20_port_ops |
| 514 | }; |
| 515 | /* Revision 0xC2 adds UDMA66 */ |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 516 | static const struct ata_port_info info_c2 = { |
Alan Cox | a3cb900 | 2009-05-13 15:02:27 +0100 | [diff] [blame] | 517 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | |
| 518 | ATA_FLAG_IGN_SIMPLEX, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 519 | .pio_mask = ATA_PIO4, |
| 520 | .mwdma_mask = ATA_MWDMA2, |
Jeff Garzik | bf6263a | 2007-07-09 12:16:50 -0400 | [diff] [blame] | 521 | .udma_mask = ATA_UDMA4, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 522 | .port_ops = &ali_c2_port_ops |
| 523 | }; |
Chuck Ebbert | ee58150 | 2007-06-25 19:13:32 -0400 | [diff] [blame] | 524 | /* Revision 0xC3 is UDMA66 for now */ |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 525 | static const struct ata_port_info info_c3 = { |
Alan Cox | a3cb900 | 2009-05-13 15:02:27 +0100 | [diff] [blame] | 526 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | |
| 527 | ATA_FLAG_IGN_SIMPLEX, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 528 | .pio_mask = ATA_PIO4, |
| 529 | .mwdma_mask = ATA_MWDMA2, |
Jeff Garzik | bf6263a | 2007-07-09 12:16:50 -0400 | [diff] [blame] | 530 | .udma_mask = ATA_UDMA4, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 531 | .port_ops = &ali_c2_port_ops |
| 532 | }; |
Chuck Ebbert | ee58150 | 2007-06-25 19:13:32 -0400 | [diff] [blame] | 533 | /* Revision 0xC4 is UDMA100 */ |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 534 | static const struct ata_port_info info_c4 = { |
Alan Cox | a3cb900 | 2009-05-13 15:02:27 +0100 | [diff] [blame] | 535 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 | |
| 536 | ATA_FLAG_IGN_SIMPLEX, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 537 | .pio_mask = ATA_PIO4, |
| 538 | .mwdma_mask = ATA_MWDMA2, |
Jeff Garzik | bf6263a | 2007-07-09 12:16:50 -0400 | [diff] [blame] | 539 | .udma_mask = ATA_UDMA5, |
Alan Cox | fc80902 | 2009-01-05 14:13:53 +0000 | [diff] [blame] | 540 | .port_ops = &ali_c4_port_ops |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 541 | }; |
| 542 | /* Revision 0xC5 is UDMA133 with LBA48 DMA */ |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 543 | static const struct ata_port_info info_c5 = { |
Alan Cox | a3cb900 | 2009-05-13 15:02:27 +0100 | [diff] [blame] | 544 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IGN_SIMPLEX, |
Erik Inge Bolsø | 14bdef9 | 2009-03-14 21:38:24 +0100 | [diff] [blame] | 545 | .pio_mask = ATA_PIO4, |
| 546 | .mwdma_mask = ATA_MWDMA2, |
Jeff Garzik | bf6263a | 2007-07-09 12:16:50 -0400 | [diff] [blame] | 547 | .udma_mask = ATA_UDMA6, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 548 | .port_ops = &ali_c5_port_ops |
| 549 | }; |
| 550 | |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 551 | const struct ata_port_info *ppi[] = { NULL, NULL }; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 552 | u8 tmp; |
Tejun Heo | f08048e | 2008-03-25 12:22:47 +0900 | [diff] [blame] | 553 | int rc; |
| 554 | |
| 555 | rc = pcim_enable_device(pdev); |
| 556 | if (rc) |
| 557 | return rc; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 558 | |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 559 | /* |
| 560 | * The chipset revision selects the driver operations and |
| 561 | * mode data. |
| 562 | */ |
| 563 | |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 564 | if (pdev->revision < 0x20) { |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 565 | ppi[0] = &info_early; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 566 | } else if (pdev->revision < 0xC2) { |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 567 | ppi[0] = &info_20; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 568 | } else if (pdev->revision == 0xC2) { |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 569 | ppi[0] = &info_c2; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 570 | } else if (pdev->revision == 0xC3) { |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 571 | ppi[0] = &info_c3; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 572 | } else if (pdev->revision == 0xC4) { |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 573 | ppi[0] = &info_c4; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 574 | } else |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 575 | ppi[0] = &info_c5; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 576 | |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 577 | ali_init_chipset(pdev); |
Jeff Garzik | f20b16f | 2006-12-11 11:14:06 -0500 | [diff] [blame] | 578 | |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 579 | if (ali_isa_bridge && pdev->revision >= 0x20 && pdev->revision < 0xC2) { |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 580 | /* Are we paired with a UDMA capable chip */ |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 581 | pci_read_config_byte(ali_isa_bridge, 0x5E, &tmp); |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 582 | if ((tmp & 0x1E) == 0x12) |
Tejun Heo | 1626aeb | 2007-05-04 12:43:58 +0200 | [diff] [blame] | 583 | ppi[0] = &info_20_udma; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 584 | } |
Ben Dooks | e8389f0 | 2008-07-24 16:38:06 +0100 | [diff] [blame] | 585 | |
Alan Cox | 16ea0fc | 2010-02-23 02:26:06 -0500 | [diff] [blame] | 586 | return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0); |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 587 | } |
| 588 | |
Tejun Heo | 438ac6d | 2007-03-02 17:31:26 +0900 | [diff] [blame] | 589 | #ifdef CONFIG_PM |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 590 | static int ali_reinit_one(struct pci_dev *pdev) |
| 591 | { |
Tejun Heo | f08048e | 2008-03-25 12:22:47 +0900 | [diff] [blame] | 592 | struct ata_host *host = dev_get_drvdata(&pdev->dev); |
| 593 | int rc; |
| 594 | |
| 595 | rc = ata_pci_device_do_resume(pdev); |
| 596 | if (rc) |
| 597 | return rc; |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 598 | ali_init_chipset(pdev); |
Tejun Heo | f08048e | 2008-03-25 12:22:47 +0900 | [diff] [blame] | 599 | ata_host_resume(host); |
| 600 | return 0; |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 601 | } |
Tejun Heo | 438ac6d | 2007-03-02 17:31:26 +0900 | [diff] [blame] | 602 | #endif |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 603 | |
Jeff Garzik | 2d2744f | 2006-09-28 20:21:59 -0400 | [diff] [blame] | 604 | static const struct pci_device_id ali[] = { |
| 605 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), }, |
| 606 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), }, |
| 607 | |
| 608 | { }, |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 609 | }; |
| 610 | |
| 611 | static struct pci_driver ali_pci_driver = { |
| 612 | .name = DRV_NAME, |
| 613 | .id_table = ali, |
| 614 | .probe = ali_init_one, |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 615 | .remove = ata_pci_remove_one, |
Tejun Heo | 438ac6d | 2007-03-02 17:31:26 +0900 | [diff] [blame] | 616 | #ifdef CONFIG_PM |
Alan | 34d8dfb | 2006-11-22 17:26:06 +0000 | [diff] [blame] | 617 | .suspend = ata_pci_device_suspend, |
| 618 | .resume = ali_reinit_one, |
Tejun Heo | 438ac6d | 2007-03-02 17:31:26 +0900 | [diff] [blame] | 619 | #endif |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 620 | }; |
| 621 | |
| 622 | static int __init ali_init(void) |
| 623 | { |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 624 | int ret; |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 625 | ali_isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 626 | |
| 627 | ret = pci_register_driver(&ali_pci_driver); |
| 628 | if (ret < 0) |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 629 | pci_dev_put(ali_isa_bridge); |
Alan Cox | 1b2c357 | 2009-01-05 14:13:22 +0000 | [diff] [blame] | 630 | return ret; |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | |
| 634 | static void __exit ali_exit(void) |
| 635 | { |
| 636 | pci_unregister_driver(&ali_pci_driver); |
Andrew Morton | bc42b24 | 2009-01-14 16:48:42 -0800 | [diff] [blame] | 637 | pci_dev_put(ali_isa_bridge); |
Jeff Garzik | 669a5db | 2006-08-29 18:12:40 -0400 | [diff] [blame] | 638 | } |
| 639 | |
| 640 | |
| 641 | MODULE_AUTHOR("Alan Cox"); |
| 642 | MODULE_DESCRIPTION("low-level driver for ALi PATA"); |
| 643 | MODULE_LICENSE("GPL"); |
| 644 | MODULE_DEVICE_TABLE(pci, ali); |
| 645 | MODULE_VERSION(DRV_VERSION); |
| 646 | |
| 647 | module_init(ali_init); |
| 648 | module_exit(ali_exit); |