#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_type;
/**
- * ata66_jmicron - Cable check
+ * jmicron_cable_detect - cable detection
* @hwif: IDE port
*
* Returns the cable type.
*/
-static u8 __devinit ata66_jmicron(ide_hwif_t *hwif)
+static u8 __devinit jmicron_cable_detect(ide_hwif_t *hwif)
{
- struct pci_dev *pdev = hwif->pci_dev;
+ struct pci_dev *pdev = to_pci_dev(hwif->dev);
u32 control;
u32 control5;
* actually do our cable checking etc. Thankfully we don't need
* to do the plumbing for other cases.
*/
- switch (port_map[port])
- {
+ switch (port_map[port]) {
case PORT_PATA0:
if (control & (1 << 3)) /* 40/80 pin primary */
return ATA_CBL_PATA40;
return ATA_CBL_PATA80;
}
-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)
+static void jmicron_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- 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
+ * jmicron_set_dma_mode - set host controller for DMA mode
+ * @drive: drive
+ * @mode: DMA mode
*
- * 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.
+ * As the JMicron snoops for timings we don't need to do anything here.
*/
-static int jmicron_tune_chipset (ide_drive_t *drive, byte xferspeed)
+static void jmicron_set_dma_mode(ide_drive_t *drive, const u8 mode)
{
- 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->cbl != ATA_CBL_PATA40_SHORT)
- hwif->cbl = 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 const struct ide_port_ops jmicron_port_ops = {
+ .set_pio_mode = jmicron_set_pio_mode,
+ .set_dma_mode = jmicron_set_dma_mode,
+ .cable_detect = jmicron_cable_detect,
+};
-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"),
+static const struct ide_port_info jmicron_chipset __devinitdata = {
+ .name = "JMB",
+ .enablebits = { { 0x40, 0x01, 0x01 }, { 0x40, 0x10, 0x10 } },
+ .port_ops = &jmicron_port_ops,
+ .pio_mask = ATA_PIO5,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
};
/**
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;
+ return ide_pci_init_one(dev, &jmicron_chipset, NULL);
}
-/* 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.
+/* All JMB PATA controllers have and will continue to have the same
+ * interface. Matching vendor and device class is enough for all
+ * current and future controllers if the controller is programmed
+ * properly.
+ *
+ * If libata is configured, jmicron PCI quirk programs the controller
+ * into the correct mode. If libata isn't configured, match known
+ * device IDs too to maintain 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},
+#if !defined(CONFIG_ATA) && !defined(CONFIG_ATA_MODULE)
+ { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB361) },
+ { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB363) },
+ { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB365) },
+ { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB366) },
+ { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB368) },
+#endif
+ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
{ 0, },
};
projects / linux-2.6 / blobdiff