diff options
Diffstat (limited to 'drivers/ide/pci/opti621.c')
| -rw-r--r-- | drivers/ide/pci/opti621.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index cfd46ae1142..88a4dd94eee 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -57,9 +57,9 @@ * (use idebus=xx to select PCI bus speed). * * Version 0.1, Nov 8, 1996 - * by Jaromir Koutek, for 2.1.8. + * by Jaromir Koutek, for 2.1.8. * Initial version of driver. - * + * * Version 0.2 * Number 0.2 skipped. * @@ -75,7 +75,7 @@ * by Jaromir Koutek * Updates for use with (again) new IDE block driver. * Update of documentation. - * + * * Version 0.6, Jan 2, 1999 * by Jaromir Koutek * Reversed to version 0.3 of the driver, because @@ -208,29 +208,34 @@ typedef struct pio_clocks_s { static void compute_clocks(int pio, pio_clocks_t *clks) { - if (pio != PIO_NOT_EXIST) { - int adr_setup, data_pls; + if (pio != PIO_NOT_EXIST) { + int adr_setup, data_pls; int bus_speed = system_bus_clock(); - adr_setup = ide_pio_timings[pio].setup_time; - data_pls = ide_pio_timings[pio].active_time; - clks->address_time = cmpt_clk(adr_setup, bus_speed); - clks->data_time = cmpt_clk(data_pls, bus_speed); - clks->recovery_time = cmpt_clk(ide_pio_timings[pio].cycle_time - - adr_setup-data_pls, bus_speed); - if (clks->address_time<1) clks->address_time = 1; - if (clks->address_time>4) clks->address_time = 4; - if (clks->data_time<1) clks->data_time = 1; - if (clks->data_time>16) clks->data_time = 16; - if (clks->recovery_time<2) clks->recovery_time = 2; - if (clks->recovery_time>17) clks->recovery_time = 17; + adr_setup = ide_pio_timings[pio].setup_time; + data_pls = ide_pio_timings[pio].active_time; + clks->address_time = cmpt_clk(adr_setup, bus_speed); + clks->data_time = cmpt_clk(data_pls, bus_speed); + clks->recovery_time = cmpt_clk(ide_pio_timings[pio].cycle_time + - adr_setup-data_pls, bus_speed); + if (clks->address_time < 1) + clks->address_time = 1; + if (clks->address_time > 4) + clks->address_time = 4; + if (clks->data_time < 1) + clks->data_time = 1; + if (clks->data_time > 16) + clks->data_time = 16; + if (clks->recovery_time < 2) + clks->recovery_time = 2; + if (clks->recovery_time > 17) + clks->recovery_time = 17; } else { clks->address_time = 1; clks->data_time = 1; clks->recovery_time = 2; /* minimal values */ } - } static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) @@ -247,8 +252,8 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) /* sets drive->drive_data for both drives */ compute_pios(drive, pio); - pio1 = hwif->drives[0].drive_data; - pio2 = hwif->drives[1].drive_data; + pio1 = hwif->drives[0].drive_data; + pio2 = hwif->drives[1].drive_data; compute_clocks(pio1, &first); compute_clocks(pio2, &second); @@ -275,7 +280,7 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) spin_lock_irqsave(&opti621_lock, flags); - reg_base = hwif->io_ports[IDE_DATA_OFFSET]; + reg_base = hwif->io_ports[IDE_DATA_OFFSET]; /* allow Register-B */ outb(0xc0, reg_base + CNTRL_REG); @@ -324,7 +329,7 @@ static void __devinit opti621_port_init_devs(ide_hwif_t *hwif) /* * init_hwif_opti621() is called once for each hwif found at boot. */ -static void __devinit init_hwif_opti621 (ide_hwif_t *hwif) +static void __devinit init_hwif_opti621(ide_hwif_t *hwif) { hwif->port_init_devs = opti621_port_init_devs; hwif->set_pio_mode = &opti621_set_pio_mode; @@ -334,15 +339,15 @@ static const struct ide_port_info opti621_chipsets[] __devinitdata = { { /* 0 */ .name = "OPTI621", .init_hwif = init_hwif_opti621, - .enablebits = {{0x45,0x80,0x00}, {0x40,0x08,0x00}}, + .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, .pio_mask = ATA_PIO3, .swdma_mask = ATA_SWDMA2, .mwdma_mask = ATA_MWDMA2, - },{ /* 1 */ + }, { /* 1 */ .name = "OPTI621X", .init_hwif = init_hwif_opti621, - .enablebits = {{0x45,0x80,0x00}, {0x40,0x08,0x00}}, + .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, .pio_mask = ATA_PIO3, .swdma_mask = ATA_SWDMA2, |