diff options
Diffstat (limited to 'drivers/ide/pci/jmicron.c')
| -rw-r--r-- | drivers/ide/pci/jmicron.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c deleted file mode 100644 index 76ed2514722..00000000000 --- a/drivers/ide/pci/jmicron.c +++ /dev/null @@ -1,252 +0,0 @@ - -/* - * Copyright (C) 2006 Red Hat <alan@redhat.com> - * - * May be copied or modified under the terms of the GNU General Public License - */ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <linux/init.h> - -#include <asm/io.h> - -typedef enum { - PORT_PATA0 = 0, - PORT_PATA1 = 1, - PORT_SATA = 2, -} port_type; - -/** - * ata66_jmicron - Cable check - * @hwif: IDE port - * - * Return 1 if the cable is 80pin - */ - -static int __devinit ata66_jmicron(ide_hwif_t *hwif) -{ - struct pci_dev *pdev = hwif->pci_dev; - - u32 control; - u32 control5; - - int port = hwif->channel; - port_type port_map[2]; - - pci_read_config_dword(pdev, 0x40, &control); - - /* There are two basic mappings. One has the two SATA ports merged - as master/slave and the secondary as PATA, the other has only the - SATA port mapped */ - if (control & (1 << 23)) { - port_map[0] = PORT_SATA; - port_map[1] = PORT_PATA0; - } else { - port_map[0] = PORT_SATA; - port_map[1] = PORT_SATA; - } - - /* The 365/366 may have this bit set to map the second PATA port - as the internal primary channel */ - pci_read_config_dword(pdev, 0x80, &control5); - if (control5 & (1<<24)) - port_map[0] = PORT_PATA1; - - /* The two ports may then be logically swapped by the firmware */ - if (control & (1 << 22)) - port = port ^ 1; - - /* - * Now we know which physical port we are talking about we can - * actually do our cable checking etc. Thankfully we don't need - * to do the plumbing for other cases. - */ - switch (port_map[port]) - { - case PORT_PATA0: - if (control & (1 << 3)) /* 40/80 pin primary */ - return 0; - return 1; - case PORT_PATA1: - if (control5 & (1 << 19)) /* 40/80 pin secondary */ - return 0; - return 1; - case PORT_SATA: - break; - } - return 1; /* Avoid bogus "control reaches end of non-void function" */ -} - -static void jmicron_tuneproc (ide_drive_t *drive, byte mode_wanted) -{ - return; -} - -/** - * config_jmicron_chipset_for_pio - set drive timings - * @drive: drive to tune - * @speed we want - * - */ - -static void config_jmicron_chipset_for_pio (ide_drive_t *drive, byte set_speed) -{ - u8 speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5, NULL); - if (set_speed) - (void) ide_config_drive_speed(drive, speed); -} - -/** - * jmicron_tune_chipset - set controller timings - * @drive: Drive to set up - * @xferspeed: speed we want to achieve - * - * As the JMicron snoops for timings all we actually need to do is - * make sure we don't set an invalid mode. We do need to honour - * the cable detect here. - */ - -static int jmicron_tune_chipset (ide_drive_t *drive, byte xferspeed) -{ - u8 speed = ide_rate_filter(drive, xferspeed); - - return ide_config_drive_speed(drive, speed); -} - -/** - * jmicron_configure_drive_for_dma - set up for DMA transfers - * @drive: drive we are going to set up - * - * As the JMicron snoops for timings all we actually need to do is - * make sure we don't set an invalid mode. - */ - -static int jmicron_config_drive_for_dma (ide_drive_t *drive) -{ - if (ide_tune_dma(drive)) - return 0; - - config_jmicron_chipset_for_pio(drive, 1); - - return -1; -} - -/** - * init_hwif_jmicron - set up hwif structs - * @hwif: interface to set up - * - * Minimal set up is required for the Jmicron hardware. - */ - -static void __devinit init_hwif_jmicron(ide_hwif_t *hwif) -{ - hwif->speedproc = &jmicron_tune_chipset; - hwif->tuneproc = &jmicron_tuneproc; - - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; - - if (!hwif->dma_base) - goto fallback; - - hwif->atapi_dma = 1; - hwif->ultra_mask = 0x7f; - hwif->mwdma_mask = 0x07; - - hwif->ide_dma_check = &jmicron_config_drive_for_dma; - if (!(hwif->udma_four)) - hwif->udma_four = ata66_jmicron(hwif); - - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; - return; -fallback: - hwif->autodma = 0; - return; -} - -#define DECLARE_JMB_DEV(name_str) \ - { \ - .name = name_str, \ - .init_hwif = init_hwif_jmicron, \ - .channels = 2, \ - .autodma = AUTODMA, \ - .bootable = ON_BOARD, \ - .enablebits = { {0x40, 1, 1}, {0x40, 0x10, 0x10} }, \ - } - -static ide_pci_device_t jmicron_chipsets[] __devinitdata = { - /* 0 */ DECLARE_JMB_DEV("JMB361"), - /* 1 */ DECLARE_JMB_DEV("JMB363"), - /* 2 */ DECLARE_JMB_DEV("JMB365"), - /* 3 */ DECLARE_JMB_DEV("JMB366"), - /* 4 */ DECLARE_JMB_DEV("JMB368"), -}; - -/** - * jmicron_init_one - pci layer discovery entry - * @dev: PCI device - * @id: ident table entry - * - * Called by the PCI code when it finds a Jmicron controller. - * We then use the IDE PCI generic helper to do most of the work. - */ - -static int __devinit jmicron_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - ide_setup_pci_device(dev, &jmicron_chipsets[id->driver_data]); - return 0; -} - -/* If libata is configured, jmicron PCI quirk will configure it such - * that the SATA ports are in AHCI function while the PATA ports are - * in a separate IDE function. In such cases, match device class and - * attach only to IDE. If libata isn't configured, keep the old - * behavior for backward compatibility. - */ -#if defined(CONFIG_ATA) || defined(CONFIG_ATA_MODULE) -#define JMB_CLASS PCI_CLASS_STORAGE_IDE << 8 -#define JMB_CLASS_MASK 0xffff00 -#else -#define JMB_CLASS 0 -#define JMB_CLASS_MASK 0 -#endif - -static struct pci_device_id jmicron_pci_tbl[] = { - { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361, - PCI_ANY_ID, PCI_ANY_ID, JMB_CLASS, JMB_CLASS_MASK, 0}, - { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363, - PCI_ANY_ID, PCI_ANY_ID, JMB_CLASS, JMB_CLASS_MASK, 1}, - { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365, - PCI_ANY_ID, PCI_ANY_ID, JMB_CLASS, JMB_CLASS_MASK, 2}, - { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366, - PCI_ANY_ID, PCI_ANY_ID, JMB_CLASS, JMB_CLASS_MASK, 3}, - { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368, - PCI_ANY_ID, PCI_ANY_ID, JMB_CLASS, JMB_CLASS_MASK, 4}, - { 0, }, -}; - -MODULE_DEVICE_TABLE(pci, jmicron_pci_tbl); - -static struct pci_driver driver = { - .name = "JMicron IDE", - .id_table = jmicron_pci_tbl, - .probe = jmicron_init_one, -}; - -static int __init jmicron_ide_init(void) -{ - return ide_pci_register_driver(&driver); -} - -module_init(jmicron_ide_init); - -MODULE_AUTHOR("Alan Cox"); -MODULE_DESCRIPTION("PCI driver module for the JMicron in legacy modes"); -MODULE_LICENSE("GPL"); |