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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | #ifndef _IDE_MODES_H #define _IDE_MODES_H /* * linux/drivers/block/ide_modes.h * * Copyright (C) 1996 Linus Torvalds, Igor Abramov, and Mark Lord */ /* * Shared data/functions for determining best PIO mode for an IDE drive. * Most of this stuff originally lived in cmd640.c, and changes to the * ide_pio_blacklist[] table should be made with EXTREME CAUTION to avoid * breaking the fragile cmd640.c support. */ #if defined(CONFIG_BLK_DEV_CMD640) || defined(CONFIG_IDE_CHIPSETS) #ifndef _IDE_C int ide_scan_pio_blacklist (char *model); unsigned int ide_get_best_pio_mode (ide_drive_t *drive); #else /* _IDE_C */ /* * Black list. Some drives incorrectly report their maximal PIO mode, * at least in respect to CMD640. Here we keep info on some known drives. */ static struct ide_pio_info { const char *name; int pio; } ide_pio_blacklist [] = { /* { "Conner Peripherals 1275MB - CFS1275A", 4 }, */ { "WDC AC2700", 3 }, { "WDC AC2540", 3 }, { "WDC AC2420", 3 }, { "WDC AC2340", 3 }, { "WDC AC2250", 0 }, { "WDC AC2200", 0 }, { "WDC AC2120", 0 }, { "WDC AC2850", 3 }, { "WDC AC1270", 3 }, { "WDC AC1170", 1 }, { "WDC AC1210", 1 }, { "WDC AC280", 0 }, /* { "WDC AC21000", 4 }, */ { "WDC AC31000", 3 }, /* { "WDC AC21200", 4 }, */ { "WDC AC31200", 3 }, /* { "WDC AC31600", 4 }, */ { "Maxtor 7131 AT", 1 }, { "Maxtor 7171 AT", 1 }, { "Maxtor 7213 AT", 1 }, { "Maxtor 7245 AT", 1 }, { "Maxtor 7345 AT", 1 }, { "Maxtor 7546 AT", 3 }, { "Maxtor 7540 AV", 3 }, { "SAMSUNG SHD-3121A", 1 }, { "SAMSUNG SHD-3122A", 1 }, { "SAMSUNG SHD-3172A", 1 }, /* { "ST51080A", 4 }, * { "ST51270A", 4 }, * { "ST31220A", 4 }, * { "ST31640A", 4 }, * { "ST32140A", 4 }, * { "ST3780A", 4 }, */ { "ST5660A", 3 }, { "ST3660A", 3 }, { "ST3630A", 3 }, { "ST3655A", 3 }, { "ST3391A", 3 }, { "ST3390A", 1 }, { "ST3600A", 1 }, { "ST3290A", 0 }, { "ST3144A", 0 }, { "QUANTUM ELS127A", 0 }, { "QUANTUM ELS170A", 0 }, { "QUANTUM LPS240A", 0 }, { "QUANTUM LPS210A", 3 }, { "QUANTUM LPS270A", 3 }, { "QUANTUM LPS365A", 3 }, { "QUANTUM LPS540A", 3 }, { "QUANTUM LIGHTNING 540A", 3 }, { "QUANTUM LIGHTNING 730A", 3 }, { "QUANTUM FIREBALL", 3 }, /* For models 540/640/1080/1280 */ /* 1080A works fine in mode4 with triton */ { NULL, 0 } }; /* * This routine searches the ide_pio_blacklist for an entry * matching the start/whole of the supplied model name. * * Returns -1 if no match found. * Otherwise returns the recommended PIO mode from ide_pio_blacklist[]. */ int ide_scan_pio_blacklist (char *model) { struct ide_pio_info *p; for (p = ide_pio_blacklist; p->name != NULL; p++) { if (strncmp(p->name, model, strlen(p->name)) == 0) return p->pio; } return -1; } /* * This routine returns the recommended PIO mode for a given drive, * based on the drive->id information and the ide_pio_blacklist[]. * This is used by most chipset support modules when "auto-tuning". */ unsigned int ide_get_best_pio_mode (ide_drive_t *drive) { unsigned int pio = 0; struct hd_driveid *id = drive->id; if (id != NULL) { if (HWIF(drive)->chipset != ide_cmd640 && !strcmp("QUANTUM FIREBALL1080A", id->model)) pio = 4; else pio = ide_scan_pio_blacklist(id->model); if (pio == -1) { pio = (id->tPIO < 2) ? id->tPIO : 2; if (id->field_valid & 2) { byte modes = id->eide_pio_modes; if (modes & 4) pio = 5; else if (modes & 2) pio = 4; else if (modes & 1) pio = 3; } } } return pio; } #endif /* _IDE_C */ #endif /* defined(CONFIG_BLK_DEV_CMD640) || defined(CONFIG_IDE_CHIPSETS) */ #endif /* _IDE_MODES_H */ |