| Bartlomiej Zolnierkiewicz | 9ad5409 | 2008-07-16 20:33:39 +0200 | [diff] [blame] | 1 | /* |
| 2 | * PIO blacklist. Some drives incorrectly report their maximal PIO mode, |
| 3 | * at least in respect to CMD640. Here we keep info on some known drives. |
| 4 | * |
| 5 | * Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION |
| 6 | * to avoid breaking the fragile cmd640.c support. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/string.h> |
| 10 | |
| 11 | static struct ide_pio_info { |
| 12 | const char *name; |
| 13 | int pio; |
| 14 | } ide_pio_blacklist [] = { |
| 15 | { "Conner Peripherals 540MB - CFS540A", 3 }, |
| 16 | |
| 17 | { "WDC AC2700", 3 }, |
| 18 | { "WDC AC2540", 3 }, |
| 19 | { "WDC AC2420", 3 }, |
| 20 | { "WDC AC2340", 3 }, |
| 21 | { "WDC AC2250", 0 }, |
| 22 | { "WDC AC2200", 0 }, |
| 23 | { "WDC AC21200", 4 }, |
| 24 | { "WDC AC2120", 0 }, |
| 25 | { "WDC AC2850", 3 }, |
| 26 | { "WDC AC1270", 3 }, |
| 27 | { "WDC AC1170", 1 }, |
| 28 | { "WDC AC1210", 1 }, |
| 29 | { "WDC AC280", 0 }, |
| 30 | { "WDC AC31000", 3 }, |
| 31 | { "WDC AC31200", 3 }, |
| 32 | |
| 33 | { "Maxtor 7131 AT", 1 }, |
| 34 | { "Maxtor 7171 AT", 1 }, |
| 35 | { "Maxtor 7213 AT", 1 }, |
| 36 | { "Maxtor 7245 AT", 1 }, |
| 37 | { "Maxtor 7345 AT", 1 }, |
| 38 | { "Maxtor 7546 AT", 3 }, |
| 39 | { "Maxtor 7540 AV", 3 }, |
| 40 | |
| 41 | { "SAMSUNG SHD-3121A", 1 }, |
| 42 | { "SAMSUNG SHD-3122A", 1 }, |
| 43 | { "SAMSUNG SHD-3172A", 1 }, |
| 44 | |
| 45 | { "ST5660A", 3 }, |
| 46 | { "ST3660A", 3 }, |
| 47 | { "ST3630A", 3 }, |
| 48 | { "ST3655A", 3 }, |
| 49 | { "ST3391A", 3 }, |
| 50 | { "ST3390A", 1 }, |
| 51 | { "ST3600A", 1 }, |
| 52 | { "ST3290A", 0 }, |
| 53 | { "ST3144A", 0 }, |
| 54 | { "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on drive) |
| 55 | according to Seagate's FIND-ATA program */ |
| 56 | |
| 57 | { "QUANTUM ELS127A", 0 }, |
| 58 | { "QUANTUM ELS170A", 0 }, |
| 59 | { "QUANTUM LPS240A", 0 }, |
| 60 | { "QUANTUM LPS210A", 3 }, |
| 61 | { "QUANTUM LPS270A", 3 }, |
| 62 | { "QUANTUM LPS365A", 3 }, |
| 63 | { "QUANTUM LPS540A", 3 }, |
| 64 | { "QUANTUM LIGHTNING 540A", 3 }, |
| 65 | { "QUANTUM LIGHTNING 730A", 3 }, |
| 66 | |
| 67 | { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */ |
| 68 | { "QUANTUM FIREBALL_640", 3 }, |
| 69 | { "QUANTUM FIREBALL_1080", 3 }, |
| 70 | { "QUANTUM FIREBALL_1280", 3 }, |
| 71 | { NULL, 0 } |
| 72 | }; |
| 73 | |
| 74 | /** |
| 75 | * ide_scan_pio_blacklist - check for a blacklisted drive |
| 76 | * @model: Drive model string |
| 77 | * |
| 78 | * This routine searches the ide_pio_blacklist for an entry |
| 79 | * matching the start/whole of the supplied model name. |
| 80 | * |
| 81 | * Returns -1 if no match found. |
| 82 | * Otherwise returns the recommended PIO mode from ide_pio_blacklist[]. |
| 83 | */ |
| 84 | |
| 85 | int ide_scan_pio_blacklist(char *model) |
| 86 | { |
| 87 | struct ide_pio_info *p; |
| 88 | |
| 89 | for (p = ide_pio_blacklist; p->name != NULL; p++) { |
| 90 | if (strncmp(p->name, model, strlen(p->name)) == 0) |
| 91 | return p->pio; |
| 92 | } |
| 93 | return -1; |
| 94 | } |