From 2bfba3c444fe8b2ab1c38112a89d8f03b61136ca Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 21 Oct 2008 20:57:23 +0200 Subject: ide: remove useless subdirs from drivers/ide/ Suggested-by: Ralf Baechle Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/alim15x3.c | 602 --------------------------------------------- 1 file changed, 602 deletions(-) delete mode 100644 drivers/ide/pci/alim15x3.c (limited to 'drivers/ide/pci/alim15x3.c') diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c deleted file mode 100644 index daf9dce39e52..000000000000 --- a/drivers/ide/pci/alim15x3.c +++ /dev/null @@ -1,602 +0,0 @@ -/* - * Copyright (C) 1998-2000 Michel Aubry, Maintainer - * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer - * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer - * - * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) - * May be copied or modified under the terms of the GNU General Public License - * Copyright (C) 2002 Alan Cox - * ALi (now ULi M5228) support by Clear Zhang - * Copyright (C) 2007 MontaVista Software, Inc. - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz - * - * (U)DMA capable version of ali 1533/1543(C), 1535(D) - * - ********************************************************************** - * 9/7/99 --Parts from the above author are included and need to be - * converted into standard interface, once I finish the thought. - * - * Recent changes - * Don't use LBA48 mode on ALi <= 0xC4 - * Don't poke 0x79 with a non ALi northbridge - * Don't flip undefined bits on newer chipsets (fix Fujitsu laptop hang) - * Allow UDMA6 on revisions > 0xC4 - * - * Documentation - * Chipset documentation available under NDA only - * - */ - -#include -#include -#include -#include -#include -#include -#include - -#include - -#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). - */ -static int wdc_udma; - -module_param(wdc_udma, bool, 0); -MODULE_PARM_DESC(wdc_udma, - "allow UDMA on M1543C-E chipset for WDC disks (DANGEROUS)"); - -/* - * ALi devices are not plug in. Otherwise these static values would - * need to go. They ought to go away anyway - */ - -static u8 m5229_revision; -static u8 chip_is_1543c_e; -static struct pci_dev *isa_dev; - -/** - * ali_set_pio_mode - set host controller for PIO mode - * @drive: drive - * @pio: PIO mode number - * - * Program the controller for the given PIO mode. - */ - -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); - 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 : 33; - int port = hwif->channel ? 0x5c : 0x58; - int portFIFO = hwif->channel ? 0x55 : 0x54; - u8 cd_dma_fifo = 0, unit = drive->dn & 1; - - 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; - - if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) { - r_clc = 1; - } else { - if (r_clc >= 16) - r_clc = 0; - } - local_irq_save(flags); - - /* - * PIO mode => ATA FIFO on, ATAPI FIFO off - */ - pci_read_config_byte(dev, portFIFO, &cd_dma_fifo); - if (drive->media==ide_disk) { - if (unit) { - pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0x0F) | 0x50); - } else { - pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0xF0) | 0x05); - } - } else { - if (unit) { - pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0x0F); - } else { - pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0xF0); - } - } - - pci_write_config_byte(dev, port, s_clc); - pci_write_config_byte(dev, port + unit + 2, (a_clc << 4) | r_clc); - local_irq_restore(flags); -} - -/** - * ali_udma_filter - compute UDMA mask - * @drive: IDE device - * - * Return available UDMA modes. - * - * The actual rules for the ALi are: - * No UDMA on revisions <= 0x20 - * Disk only for revisions < 0xC2 - * Not WDC drives on M1543C-E (?) - */ - -static u8 ali_udma_filter(ide_drive_t *drive) -{ - if (m5229_revision > 0x20 && m5229_revision < 0xC2) { - if (drive->media != ide_disk) - return 0; - if (wdc_udma == 0 && chip_is_1543c_e && - strstr((char *)&drive->id[ATA_ID_PROD], "WDC ")) - return 0; - } - - return drive->hwif->ultra_mask; -} - -/** - * ali_set_dma_mode - set host controller for DMA mode - * @drive: drive - * @speed: DMA mode - * - * Configure the hardware for the desired IDE transfer mode. - */ - -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->dn & 1; - u8 tmpbyte = 0x00; - int m5229_udma = (hwif->channel) ? 0x57 : 0x56; - - if (speed == XFER_UDMA_6) - speed1 = 0x47; - - if (speed < XFER_UDMA_0) { - u8 ultra_enable = (unit) ? 0x7f : 0xf7; - /* - * clear "ultra enable" bit - */ - pci_read_config_byte(dev, m5229_udma, &tmpbyte); - tmpbyte &= ultra_enable; - pci_write_config_byte(dev, m5229_udma, tmpbyte); - - /* - * FIXME: Oh, my... DMA timings are never set. - */ - } else { - pci_read_config_byte(dev, m5229_udma, &tmpbyte); - tmpbyte &= (0x0f << ((1-unit) << 2)); - /* - * enable ultra dma and set timing - */ - tmpbyte |= ((0x08 | ((4-speed1)&0x07)) << (unit << 2)); - pci_write_config_byte(dev, m5229_udma, tmpbyte); - if (speed >= XFER_UDMA_3) { - pci_read_config_byte(dev, 0x4b, &tmpbyte); - tmpbyte |= 1; - pci_write_config_byte(dev, 0x4b, tmpbyte); - } - } -} - -/** - * ali15x3_dma_setup - begin a DMA phase - * @drive: target device - * - * Returns 1 if the DMA cannot be performed, zero on success. - */ - -static int ali15x3_dma_setup(ide_drive_t *drive) -{ - if (m5229_revision < 0xC2 && drive->media != ide_disk) { - if (rq_data_dir(drive->hwif->hwgroup->rq)) - return 1; /* try PIO instead of DMA */ - } - return ide_dma_setup(drive); -} - -/** - * init_chipset_ali15x3 - Initialise an ALi IDE controller - * @dev: PCI device - * - * This function initializes the ALI IDE controller and where - * appropriate also sets up the 1533 southbridge. - */ - -static unsigned int init_chipset_ali15x3(struct pci_dev *dev) -{ - unsigned long flags; - u8 tmpbyte; - struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0)); - - m5229_revision = dev->revision; - - isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); - - local_irq_save(flags); - - if (m5229_revision < 0xC2) { - /* - * revision 0x20 (1543-E, 1543-F) - * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E) - * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7 - */ - pci_read_config_byte(dev, 0x4b, &tmpbyte); - /* - * clear bit 7 - */ - pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F); - /* - * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010 - */ - if (m5229_revision >= 0x20 && isa_dev) { - pci_read_config_byte(isa_dev, 0x5e, &tmpbyte); - chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0; - } - goto out; - } - - /* - * 1543C-B?, 1535, 1535D, 1553 - * Note 1: not all "motherboard" support this detection - * Note 2: if no udma 66 device, the detection may "error". - * but in this case, we will not set the device to - * ultra 66, the detection result is not important - */ - - /* - * enable "Cable Detection", m5229, 0x4b, bit3 - */ - pci_read_config_byte(dev, 0x4b, &tmpbyte); - pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08); - - /* - * We should only tune the 1533 enable if we are using an ALi - * North bridge. We might have no north found on some zany - * box without a device at 0:0.0. The ALi bridge will be at - * 0:0.0 so if we didn't find one we know what is cooking. - */ - if (north && north->vendor != PCI_VENDOR_ID_AL) - goto out; - - if (m5229_revision < 0xC5 && isa_dev) - { - /* - * set south-bridge's enable bit, m1533, 0x79 - */ - - pci_read_config_byte(isa_dev, 0x79, &tmpbyte); - if (m5229_revision == 0xC2) { - /* - * 1543C-B0 (m1533, 0x79, bit 2) - */ - pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x04); - } else if (m5229_revision >= 0xC3) { - /* - * 1553/1535 (m1533, 0x79, bit 1) - */ - pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02); - } - } - -out: - /* - * CD_ROM DMA on (m5229, 0x53, bit0) - * Enable this bit even if we want to use PIO. - * PIO FIFO off (m5229, 0x53, bit1) - * The hardware will use 0x54h and 0x55h to control PIO FIFO. - * (Not on later devices it seems) - * - * 0x53 changes meaning on later revs - we must no touch - * bit 1 on them. Need to check if 0x20 is the right break. - */ - if (m5229_revision >= 0x20) { - pci_read_config_byte(dev, 0x53, &tmpbyte); - - if (m5229_revision <= 0x20) - tmpbyte = (tmpbyte & (~0x02)) | 0x01; - else if (m5229_revision == 0xc7 || m5229_revision == 0xc8) - tmpbyte |= 0x03; - else - tmpbyte |= 0x01; - - pci_write_config_byte(dev, 0x53, tmpbyte); - } - pci_dev_put(north); - pci_dev_put(isa_dev); - local_irq_restore(flags); - return 0; -} - -/* - * Cable special cases - */ - -static const struct dmi_system_id cable_dmi_table[] = { - { - .ident = "HP Pavilion N5430", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), - }, - }, - { - .ident = "Toshiba Satellite S1800-814", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), - }, - }, - { } -}; - -static int ali_cable_override(struct pci_dev *pdev) -{ - /* Fujitsu P2000 */ - if (pdev->subsystem_vendor == 0x10CF && - pdev->subsystem_device == 0x10AF) - return 1; - - /* Mitac 8317 (Winbook-A) and relatives */ - if (pdev->subsystem_vendor == 0x1071 && - pdev->subsystem_device == 0x8317) - return 1; - - /* Systems by DMI */ - if (dmi_check_system(cable_dmi_table)) - return 1; - - return 0; -} - -/** - * ali_cable_detect - cable detection - * @hwif: IDE interface - * - * This checks if the controller and the cable are capable - * of UDMA66 transfers. It doesn't check the drives. - * But see note 2 below! - * - * FIXME: frobs bits that are not defined on newer ALi devicea - */ - -static u8 ali_cable_detect(ide_hwif_t *hwif) -{ - struct pci_dev *dev = to_pci_dev(hwif->dev); - unsigned long flags; - u8 cbl = ATA_CBL_PATA40, tmpbyte; - - local_irq_save(flags); - - if (m5229_revision >= 0xC2) { - /* - * m5229 80-pin cable detection (from Host View) - * - * 0x4a bit0 is 0 => primary channel has 80-pin - * 0x4a bit1 is 0 => secondary channel has 80-pin - * - * Certain laptops use short but suitable cables - * and don't implement the detect logic. - */ - if (ali_cable_override(dev)) - cbl = ATA_CBL_PATA40_SHORT; - else { - pci_read_config_byte(dev, 0x4a, &tmpbyte); - if ((tmpbyte & (1 << hwif->channel)) == 0) - cbl = ATA_CBL_PATA80; - } - } - - local_irq_restore(flags); - - return cbl; -} - -#if !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC) -/** - * init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff - * @hwif: interface to configure - * - * Obtain the IRQ tables for an ALi based IDE solution on the PC - * class platforms. This part of the code isn't applicable to the - * Sparc and PowerPC systems. - */ - -static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif) -{ - struct pci_dev *dev = to_pci_dev(hwif->dev); - u8 ideic, inmir; - s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6, - 1, 11, 0, 12, 0, 14, 0, 15 }; - int irq = -1; - - if (dev->device == PCI_DEVICE_ID_AL_M5229) - hwif->irq = hwif->channel ? 15 : 14; - - if (isa_dev) { - /* - * read IDE interface control - */ - pci_read_config_byte(isa_dev, 0x58, &ideic); - - /* bit0, bit1 */ - ideic = ideic & 0x03; - - /* get IRQ for IDE Controller */ - if ((hwif->channel && ideic == 0x03) || - (!hwif->channel && !ideic)) { - /* - * get SIRQ1 routing table - */ - pci_read_config_byte(isa_dev, 0x44, &inmir); - inmir = inmir & 0x0f; - irq = irq_routing_table[inmir]; - } else if (hwif->channel && !(ideic & 0x01)) { - /* - * get SIRQ2 routing table - */ - pci_read_config_byte(isa_dev, 0x75, &inmir); - inmir = inmir & 0x0f; - irq = irq_routing_table[inmir]; - } - if(irq >= 0) - hwif->irq = irq; - } -} -#else -#define init_hwif_ali15x3 NULL -#endif /* !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC) */ - -/** - * init_dma_ali15x3 - set up DMA on ALi15x3 - * @hwif: IDE interface - * @d: IDE port info - * - * Set up the DMA functionality on the ALi 15x3. - */ - -static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, - const struct ide_port_info *d) -{ - struct pci_dev *dev = to_pci_dev(hwif->dev); - unsigned long base = ide_pci_dma_base(hwif, d); - - 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) - outb(inb(base + 2) & 0x60, base + 2); - - printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n", - hwif->name, base, base + 7); - - if (ide_allocate_dma_engine(hwif)) - return -1; - - hwif->dma_ops = &sff_dma_ops; - - return 0; -} - -static const struct ide_port_ops ali_port_ops = { - .set_pio_mode = ali_set_pio_mode, - .set_dma_mode = ali_set_dma_mode, - .udma_filter = ali_udma_filter, - .cable_detect = ali_cable_detect, -}; - -static const struct ide_dma_ops ali_dma_ops = { - .dma_host_set = ide_dma_host_set, - .dma_setup = ali15x3_dma_setup, - .dma_exec_cmd = ide_dma_exec_cmd, - .dma_start = ide_dma_start, - .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 = DRV_NAME, - .init_chipset = init_chipset_ali15x3, - .init_hwif = init_hwif_ali15x3, - .init_dma = init_dma_ali15x3, - .port_ops = &ali_port_ops, - .pio_mask = ATA_PIO5, - .swdma_mask = ATA_SWDMA2, - .mwdma_mask = ATA_MWDMA2, -}; - -/** - * alim15x3_init_one - set up an ALi15x3 IDE controller - * @dev: PCI device to set up - * - * Perform the actual set up for an ALi15x3 that has been found by the - * hot plug layer. - */ - -static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - struct ide_port_info d = ali15x3_chipset; - u8 rev = dev->revision, idx = id->driver_data; - - /* don't use LBA48 DMA on ALi devices before rev 0xC5 */ - if (rev <= 0xC4) - d.host_flags |= IDE_HFLAG_NO_LBA48_DMA; - - if (rev >= 0x20) { - if (rev == 0x20) - d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA; - - if (rev < 0xC2) - d.udma_mask = ATA_UDMA2; - else if (rev == 0xC2 || rev == 0xC3) - d.udma_mask = ATA_UDMA4; - else if (rev == 0xC4) - d.udma_mask = ATA_UDMA5; - else - d.udma_mask = ATA_UDMA6; - - d.dma_ops = &ali_dma_ops; - } else { - d.host_flags |= IDE_HFLAG_NO_DMA; - - d.mwdma_mask = d.swdma_mask = 0; - } - - if (idx == 0) - d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; - - return ide_pci_init_one(dev, &d, NULL); -} - - -static const struct pci_device_id alim15x3_pci_tbl[] = { - { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 }, - { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 1 }, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); - -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(&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"); -MODULE_LICENSE("GPL"); -- cgit v1.2.2