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) 2000-2002 Mark Lord <mlord@pobox.com> |
Bartlomiej Zolnierkiewicz | 5fd216b | 2007-05-16 00:51:43 +0200 | [diff] [blame] | 3 | * Copyright (C) 2007 Bartlomiej Zolnierkiewicz |
| 4 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * May be copied or modified under the terms of the GNU General Public License |
| 6 | * |
| 7 | * Development of this chipset driver was funded |
| 8 | * by the nice folks at National Semiconductor. |
| 9 | * |
| 10 | * Documentation: |
| 11 | * Available from National Semiconductor |
| 12 | */ |
| 13 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include <linux/module.h> |
| 15 | #include <linux/types.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/timer.h> |
| 19 | #include <linux/mm.h> |
| 20 | #include <linux/ioport.h> |
| 21 | #include <linux/blkdev.h> |
| 22 | #include <linux/hdreg.h> |
| 23 | #include <linux/interrupt.h> |
| 24 | #include <linux/pci.h> |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/ide.h> |
| 27 | #include <linux/pm.h> |
| 28 | #include <asm/io.h> |
| 29 | #include <asm/irq.h> |
| 30 | |
| 31 | #define SC1200_REV_A 0x00 |
| 32 | #define SC1200_REV_B1 0x01 |
| 33 | #define SC1200_REV_B3 0x02 |
| 34 | #define SC1200_REV_C1 0x03 |
| 35 | #define SC1200_REV_D1 0x04 |
| 36 | |
| 37 | #define PCI_CLK_33 0x00 |
| 38 | #define PCI_CLK_48 0x01 |
| 39 | #define PCI_CLK_66 0x02 |
| 40 | #define PCI_CLK_33A 0x03 |
| 41 | |
| 42 | static unsigned short sc1200_get_pci_clock (void) |
| 43 | { |
| 44 | unsigned char chip_id, silicon_revision; |
| 45 | unsigned int pci_clock; |
| 46 | /* |
| 47 | * Check the silicon revision, as not all versions of the chip |
| 48 | * have the register with the fast PCI bus timings. |
| 49 | */ |
| 50 | chip_id = inb (0x903c); |
| 51 | silicon_revision = inb (0x903d); |
| 52 | |
| 53 | // Read the fast pci clock frequency |
| 54 | if (chip_id == 0x04 && silicon_revision < SC1200_REV_B1) { |
| 55 | pci_clock = PCI_CLK_33; |
| 56 | } else { |
| 57 | // check clock generator configuration (cfcc) |
| 58 | // the clock is in bits 8 and 9 of this word |
| 59 | |
| 60 | pci_clock = inw (0x901e); |
| 61 | pci_clock >>= 8; |
| 62 | pci_clock &= 0x03; |
| 63 | if (pci_clock == PCI_CLK_33A) |
| 64 | pci_clock = PCI_CLK_33; |
| 65 | } |
| 66 | return pci_clock; |
| 67 | } |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | /* |
| 70 | * Here are the standard PIO mode 0-4 timings for each "format". |
| 71 | * Format-0 uses fast data reg timings, with slower command reg timings. |
| 72 | * Format-1 uses fast timings for all registers, but won't work with all drives. |
| 73 | */ |
| 74 | static const unsigned int sc1200_pio_timings[4][5] = |
| 75 | {{0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010}, // format0 33Mhz |
| 76 | {0xd1329172, 0x71212171, 0x30200080, 0x20102010, 0x00100010}, // format1, 33Mhz |
| 77 | {0xfaa3f4f3, 0xc23232b2, 0x513101c1, 0x31213121, 0x10211021}, // format1, 48Mhz |
| 78 | {0xfff4fff4, 0xf35353d3, 0x814102f1, 0x42314231, 0x11311131}}; // format1, 66Mhz |
| 79 | |
| 80 | /* |
| 81 | * After chip reset, the PIO timings are set to 0x00009172, which is not valid. |
| 82 | */ |
| 83 | //#define SC1200_BAD_PIO(timings) (((timings)&~0x80000000)==0x00009172) |
| 84 | |
Bartlomiej Zolnierkiewicz | 3c3f5d2 | 2007-05-16 00:51:44 +0200 | [diff] [blame] | 85 | static void sc1200_tunepio(ide_drive_t *drive, u8 pio) |
| 86 | { |
| 87 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 88 | struct pci_dev *pdev = to_pci_dev(hwif->dev); |
Bartlomiej Zolnierkiewicz | 3c3f5d2 | 2007-05-16 00:51:44 +0200 | [diff] [blame] | 89 | unsigned int basereg = hwif->channel ? 0x50 : 0x40, format = 0; |
| 90 | |
| 91 | pci_read_config_dword(pdev, basereg + 4, &format); |
| 92 | format = (format >> 31) & 1; |
| 93 | if (format) |
| 94 | format += sc1200_get_pci_clock(); |
| 95 | pci_write_config_dword(pdev, basereg + ((drive->dn & 1) << 3), |
| 96 | sc1200_pio_timings[format][pio]); |
| 97 | } |
| 98 | |
Bartlomiej Zolnierkiewicz | 5fd216b | 2007-05-16 00:51:43 +0200 | [diff] [blame] | 99 | /* |
| 100 | * The SC1200 specifies that two drives sharing a cable cannot mix |
| 101 | * UDMA/MDMA. It has to be one or the other, for the pair, though |
| 102 | * different timings can still be chosen for each drive. We could |
| 103 | * set the appropriate timing bits on the fly, but that might be |
| 104 | * a bit confusing. So, for now we statically handle this requirement |
| 105 | * by looking at our mate drive to see what it is capable of, before |
| 106 | * choosing a mode for our own drive. |
| 107 | */ |
| 108 | static u8 sc1200_udma_filter(ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | { |
Bartlomiej Zolnierkiewicz | 5fd216b | 2007-05-16 00:51:43 +0200 | [diff] [blame] | 110 | ide_hwif_t *hwif = drive->hwif; |
| 111 | ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1]; |
| 112 | struct hd_driveid *mateid = mate->id; |
| 113 | u8 mask = hwif->ultra_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | |
Bartlomiej Zolnierkiewicz | 5fd216b | 2007-05-16 00:51:43 +0200 | [diff] [blame] | 115 | if (mate->present == 0) |
| 116 | goto out; |
| 117 | |
| 118 | if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { |
| 119 | if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7)) |
| 120 | goto out; |
| 121 | if ((mateid->field_valid & 2) && (mateid->dma_mword & 7)) |
| 122 | mask = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | } |
Bartlomiej Zolnierkiewicz | 5fd216b | 2007-05-16 00:51:43 +0200 | [diff] [blame] | 124 | out: |
| 125 | return mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | } |
| 127 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 128 | static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | { |
| 130 | ide_hwif_t *hwif = HWIF(drive); |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 131 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | int unit = drive->select.b.unit; |
| 133 | unsigned int reg, timings; |
| 134 | unsigned short pci_clock; |
| 135 | unsigned int basereg = hwif->channel ? 0x50 : 0x40; |
| 136 | |
Bartlomiej Zolnierkiewicz | 4eed504 | 2008-01-25 22:17:18 +0100 | [diff] [blame] | 137 | static const u32 udma_timing[3][3] = { |
| 138 | { 0x00921250, 0x00911140, 0x00911030 }, |
| 139 | { 0x00932470, 0x00922260, 0x00922140 }, |
| 140 | { 0x009436a1, 0x00933481, 0x00923261 }, |
| 141 | }; |
| 142 | |
| 143 | static const u32 mwdma_timing[3][3] = { |
| 144 | { 0x00077771, 0x00012121, 0x00002020 }, |
| 145 | { 0x000bbbb2, 0x00024241, 0x00013131 }, |
| 146 | { 0x000ffff3, 0x00035352, 0x00015151 }, |
| 147 | }; |
| 148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | pci_clock = sc1200_get_pci_clock(); |
| 150 | |
| 151 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | * Note that each DMA mode has several timings associated with it. |
| 153 | * The correct timing depends on the fast PCI clock freq. |
| 154 | */ |
Bartlomiej Zolnierkiewicz | 4eed504 | 2008-01-25 22:17:18 +0100 | [diff] [blame] | 155 | |
| 156 | if (mode >= XFER_UDMA_0) |
| 157 | timings = udma_timing[pci_clock][mode - XFER_UDMA_0]; |
| 158 | else |
| 159 | timings = mwdma_timing[pci_clock][mode - XFER_MW_DMA_0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | |
| 161 | if (unit == 0) { /* are we configuring drive0? */ |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 162 | pci_read_config_dword(dev, basereg + 4, ®); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | timings |= reg & 0x80000000; /* preserve PIO format bit */ |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 164 | pci_write_config_dword(dev, basereg + 4, timings); |
| 165 | } else |
| 166 | pci_write_config_dword(dev, basereg + 12, timings); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | } |
| 168 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | /* Replacement for the standard ide_dma_end action in |
| 170 | * dma_proc. |
| 171 | * |
| 172 | * returns 1 on error, 0 otherwise |
| 173 | */ |
| 174 | static int sc1200_ide_dma_end (ide_drive_t *drive) |
| 175 | { |
| 176 | ide_hwif_t *hwif = HWIF(drive); |
| 177 | unsigned long dma_base = hwif->dma_base; |
| 178 | byte dma_stat; |
| 179 | |
| 180 | dma_stat = inb(dma_base+2); /* get DMA status */ |
| 181 | |
| 182 | if (!(dma_stat & 4)) |
| 183 | printk(" ide_dma_end dma_stat=%0x err=%x newerr=%x\n", |
| 184 | dma_stat, ((dma_stat&7)!=4), ((dma_stat&2)==2)); |
| 185 | |
| 186 | outb(dma_stat|0x1b, dma_base+2); /* clear the INTR & ERROR bits */ |
| 187 | outb(inb(dma_base)&~1, dma_base); /* !! DO THIS HERE !! stop DMA */ |
| 188 | |
| 189 | drive->waiting_for_dma = 0; |
| 190 | ide_destroy_dmatable(drive); /* purge DMA mappings */ |
| 191 | |
| 192 | return (dma_stat & 7) != 4; /* verify good DMA status */ |
| 193 | } |
| 194 | |
| 195 | /* |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 196 | * sc1200_set_pio_mode() handles setting of PIO modes |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | * for both the chipset and drive. |
| 198 | * |
| 199 | * All existing BIOSs for this chipset guarantee that all drives |
| 200 | * will have valid default PIO timings set up before we get here. |
| 201 | */ |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 202 | |
| 203 | static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | { |
| 205 | ide_hwif_t *hwif = HWIF(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | int mode = -1; |
| 207 | |
Bartlomiej Zolnierkiewicz | a01ba40 | 2007-05-16 00:51:44 +0200 | [diff] [blame] | 208 | /* |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 209 | * bad abuse of ->set_pio_mode interface |
Bartlomiej Zolnierkiewicz | a01ba40 | 2007-05-16 00:51:44 +0200 | [diff] [blame] | 210 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | switch (pio) { |
| 212 | case 200: mode = XFER_UDMA_0; break; |
| 213 | case 201: mode = XFER_UDMA_1; break; |
| 214 | case 202: mode = XFER_UDMA_2; break; |
| 215 | case 100: mode = XFER_MW_DMA_0; break; |
| 216 | case 101: mode = XFER_MW_DMA_1; break; |
| 217 | case 102: mode = XFER_MW_DMA_2; break; |
| 218 | } |
| 219 | if (mode != -1) { |
| 220 | printk("SC1200: %s: changing (U)DMA mode\n", drive->name); |
Bartlomiej Zolnierkiewicz | 4a546e0 | 2008-01-26 20:13:01 +0100 | [diff] [blame] | 221 | ide_dma_off_quietly(drive); |
Bartlomiej Zolnierkiewicz | f37aaf9 | 2008-01-26 20:13:02 +0100 | [diff] [blame] | 222 | if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma) |
Bartlomiej Zolnierkiewicz | 15ce926 | 2008-01-26 20:13:03 +0100 | [diff] [blame] | 223 | hwif->dma_host_set(drive, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | return; |
| 225 | } |
| 226 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 227 | sc1200_tunepio(drive, pio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | } |
| 229 | |
Alexey Dobriyan | b86cc29 | 2006-10-03 01:14:32 -0700 | [diff] [blame] | 230 | #ifdef CONFIG_PM |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 231 | struct sc1200_saved_state { |
| 232 | u32 regs[8]; |
| 233 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | |
Pavel Machek | 3bfffd9 | 2005-04-16 15:25:37 -0700 | [diff] [blame] | 235 | static int sc1200_suspend (struct pci_dev *dev, pm_message_t state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | { |
Pavel Machek | ca078ba | 2005-09-03 15:56:57 -0700 | [diff] [blame] | 237 | printk("SC1200: suspend(%u)\n", state.event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 239 | /* |
| 240 | * we only save state when going from full power to less |
| 241 | */ |
Pavel Machek | ca078ba | 2005-09-03 15:56:57 -0700 | [diff] [blame] | 242 | if (state.event == PM_EVENT_ON) { |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 243 | struct sc1200_saved_state *ss; |
| 244 | unsigned int r; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 246 | /* |
| 247 | * allocate a permanent save area, if not already allocated |
| 248 | */ |
| 249 | ss = (struct sc1200_saved_state *)pci_get_drvdata(dev); |
| 250 | if (ss == NULL) { |
| 251 | ss = kmalloc(sizeof(*ss), GFP_KERNEL); |
| 252 | if (ss == NULL) |
| 253 | return -ENOMEM; |
| 254 | pci_set_drvdata(dev, ss); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 257 | /* |
| 258 | * save timing registers |
| 259 | * (this may be unnecessary if BIOS also does it) |
| 260 | */ |
| 261 | for (r = 0; r < 8; r++) |
| 262 | pci_read_config_dword(dev, 0x40 + r * 4, &ss->regs[r]); |
| 263 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | |
| 265 | pci_disable_device(dev); |
Pavel Machek | ca078ba | 2005-09-03 15:56:57 -0700 | [diff] [blame] | 266 | pci_set_power_state(dev, pci_choose_state(dev, state)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | return 0; |
| 268 | } |
| 269 | |
| 270 | static int sc1200_resume (struct pci_dev *dev) |
| 271 | { |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 272 | struct sc1200_saved_state *ss; |
| 273 | unsigned int r; |
| 274 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | |
Jeff Garzik | 9d43481 | 2007-10-26 20:31:15 +0200 | [diff] [blame] | 276 | i = pci_enable_device(dev); |
| 277 | if (i) |
| 278 | return i; |
| 279 | |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 280 | ss = (struct sc1200_saved_state *)pci_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 282 | /* |
| 283 | * restore timing registers |
| 284 | * (this may be unnecessary if BIOS also does it) |
| 285 | */ |
| 286 | if (ss) { |
| 287 | for (r = 0; r < 8; r++) |
| 288 | pci_write_config_dword(dev, 0x40 + r * 4, ss->regs[r]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | } |
Bartlomiej Zolnierkiewicz | 7c0e266 | 2008-01-25 22:17:14 +0100 | [diff] [blame] | 290 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | return 0; |
| 292 | } |
Alexey Dobriyan | b86cc29 | 2006-10-03 01:14:32 -0700 | [diff] [blame] | 293 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | |
| 295 | /* |
| 296 | * This gets invoked by the IDE driver once for each channel, |
| 297 | * and performs channel-specific pre-initialization before drive probing. |
| 298 | */ |
Herbert Xu | 6a6e1b1 | 2005-07-03 16:35:07 +0200 | [diff] [blame] | 299 | static void __devinit init_hwif_sc1200 (ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | { |
Bartlomiej Zolnierkiewicz | 88ae4d8 | 2007-10-13 17:47:53 +0200 | [diff] [blame] | 301 | hwif->set_pio_mode = &sc1200_set_pio_mode; |
| 302 | hwif->set_dma_mode = &sc1200_set_dma_mode; |
| 303 | |
| 304 | if (hwif->dma_base == 0) |
| 305 | return; |
| 306 | |
| 307 | hwif->udma_filter = sc1200_udma_filter; |
Bartlomiej Zolnierkiewicz | 88ae4d8 | 2007-10-13 17:47:53 +0200 | [diff] [blame] | 308 | hwif->ide_dma_end = &sc1200_ide_dma_end; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | } |
| 310 | |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 311 | static const struct ide_port_info sc1200_chipset __devinitdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | .name = "SC1200", |
| 313 | .init_hwif = init_hwif_sc1200, |
Bartlomiej Zolnierkiewicz | 1c51361 | 2007-10-19 00:30:10 +0200 | [diff] [blame] | 314 | .host_flags = IDE_HFLAG_SERIALIZE | |
| 315 | IDE_HFLAG_POST_SET_MODE | |
| 316 | IDE_HFLAG_ABUSE_DMA_MODES | |
Bartlomiej Zolnierkiewicz | 7cab14a | 2007-10-19 00:30:06 +0200 | [diff] [blame] | 317 | IDE_HFLAG_BOOTABLE, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 318 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 319 | .mwdma_mask = ATA_MWDMA2, |
| 320 | .udma_mask = ATA_UDMA2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | }; |
| 322 | |
| 323 | static int __devinit sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 324 | { |
| 325 | return ide_setup_pci_device(dev, &sc1200_chipset); |
| 326 | } |
| 327 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 328 | static const struct pci_device_id sc1200_pci_tbl[] = { |
| 329 | { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_SCx200_IDE), 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | { 0, }, |
| 331 | }; |
| 332 | MODULE_DEVICE_TABLE(pci, sc1200_pci_tbl); |
| 333 | |
| 334 | static struct pci_driver driver = { |
| 335 | .name = "SC1200_IDE", |
| 336 | .id_table = sc1200_pci_tbl, |
| 337 | .probe = sc1200_init_one, |
Alexey Dobriyan | b86cc29 | 2006-10-03 01:14:32 -0700 | [diff] [blame] | 338 | #ifdef CONFIG_PM |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | .suspend = sc1200_suspend, |
| 340 | .resume = sc1200_resume, |
Alexey Dobriyan | b86cc29 | 2006-10-03 01:14:32 -0700 | [diff] [blame] | 341 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | }; |
| 343 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 344 | static int __init sc1200_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | { |
| 346 | return ide_pci_register_driver(&driver); |
| 347 | } |
| 348 | |
| 349 | module_init(sc1200_ide_init); |
| 350 | |
| 351 | MODULE_AUTHOR("Mark Lord"); |
| 352 | MODULE_DESCRIPTION("PCI driver module for NS SC1200 IDE"); |
| 353 | MODULE_LICENSE("GPL"); |