diff options
Diffstat (limited to 'drivers/ide/pci/alim15x3.c')
-rw-r--r-- | drivers/ide/pci/alim15x3.c | 60 |
1 files changed, 37 insertions, 23 deletions
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index f2129d5e07f2..daf9dce39e52 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -31,13 +31,14 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/pci.h> -#include <linux/hdreg.h> #include <linux/ide.h> #include <linux/init.h> #include <linux/dmi.h> #include <asm/io.h> +#define DRV_NAME "alim15x3" + /* * Allow UDMA on M1543C-E chipset for WDC disks that ignore CRC checking * (this is DANGEROUS and could result in data corruption). @@ -69,22 +70,19 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - int s_time, a_time, c_time; + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); + int s_time = t->setup, a_time = t->active, c_time = t->cycle; u8 s_clc, a_clc, r_clc; unsigned long flags; - int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock(); + int bus_speed = ide_pci_clk ? ide_pci_clk : 33; int port = hwif->channel ? 0x5c : 0x58; int portFIFO = hwif->channel ? 0x55 : 0x54; - u8 cd_dma_fifo = 0; - int unit = drive->select.b.unit & 1; + u8 cd_dma_fifo = 0, unit = drive->dn & 1; - s_time = ide_pio_timings[pio].setup_time; - a_time = ide_pio_timings[pio].active_time; if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) s_clc = 0; if ((a_clc = (a_time * bus_speed + 999) / 1000) >= 8) a_clc = 0; - c_time = ide_pio_timings[pio].cycle_time; if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) { r_clc = 1; @@ -113,7 +111,7 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) } pci_write_config_byte(dev, port, s_clc); - pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc); + pci_write_config_byte(dev, port + unit + 2, (a_clc << 4) | r_clc); local_irq_restore(flags); } @@ -134,8 +132,8 @@ static u8 ali_udma_filter(ide_drive_t *drive) if (m5229_revision > 0x20 && m5229_revision < 0xC2) { if (drive->media != ide_disk) return 0; - if (chip_is_1543c_e && strstr(drive->id->model, "WDC ") && - wdc_udma == 0) + if (wdc_udma == 0 && chip_is_1543c_e && + strstr((char *)&drive->id[ATA_ID_PROD], "WDC ")) return 0; } @@ -155,7 +153,7 @@ static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed) ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); u8 speed1 = speed; - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 tmpbyte = 0x00; int m5229_udma = (hwif->channel) ? 0x57 : 0x56; @@ -209,13 +207,12 @@ static int ali15x3_dma_setup(ide_drive_t *drive) /** * init_chipset_ali15x3 - Initialise an ALi IDE controller * @dev: PCI device - * @name: Name of the controller * * This function initializes the ALI IDE controller and where * appropriate also sets up the 1533 southbridge. */ - -static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const char *name) + +static unsigned int init_chipset_ali15x3(struct pci_dev *dev) { unsigned long flags; u8 tmpbyte; @@ -372,7 +369,7 @@ static int ali_cable_override(struct pci_dev *pdev) * FIXME: frobs bits that are not defined on newer ALi devicea */ -static u8 __devinit ali_cable_detect(ide_hwif_t *hwif) +static u8 ali_cable_detect(ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); unsigned long flags; @@ -473,7 +470,15 @@ static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, struct pci_dev *dev = to_pci_dev(hwif->dev); unsigned long base = ide_pci_dma_base(hwif, d); - if (base == 0 || ide_pci_set_master(dev, d->name) < 0) + if (base == 0) + return -1; + + hwif->dma_base = base; + + if (ide_pci_check_simplex(hwif, d) < 0) + return -1; + + if (ide_pci_set_master(dev, d->name) < 0) return -1; if (!hwif->channel) @@ -485,7 +490,7 @@ static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, if (ide_allocate_dma_engine(hwif)) return -1; - ide_setup_dma(hwif, base); + hwif->dma_ops = &sff_dma_ops; return 0; } @@ -502,14 +507,14 @@ static const struct ide_dma_ops ali_dma_ops = { .dma_setup = ali15x3_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = ide_dma_test_irq, .dma_lost_irq = ide_dma_lost_irq, .dma_timeout = ide_dma_timeout, }; static const struct ide_port_info ali15x3_chipset __devinitdata = { - .name = "ALI15X3", + .name = DRV_NAME, .init_chipset = init_chipset_ali15x3, .init_hwif = init_hwif_ali15x3, .init_dma = init_dma_ali15x3, @@ -559,7 +564,7 @@ static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_dev if (idx == 0) d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; - return ide_setup_pci_device(dev, &d); + return ide_pci_init_one(dev, &d, NULL); } @@ -570,18 +575,27 @@ static const struct pci_device_id alim15x3_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver alim15x3_pci_driver = { .name = "ALI15x3_IDE", .id_table = alim15x3_pci_tbl, .probe = alim15x3_init_one, + .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init ali15x3_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&alim15x3_pci_driver); +} + +static void __exit ali15x3_ide_exit(void) +{ + return pci_unregister_driver(&alim15x3_pci_driver); } module_init(ali15x3_ide_init); +module_exit(ali15x3_ide_exit); MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox"); MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE"); |