/*
- * linux/drivers/ide/pci/trm290.c Version 1.05 Dec. 26, 2007
- *
* Copyright (c) 1997-1998 Mark Lord
* Copyright (c) 2007 MontaVista Software, Inc. <source@mvista.com>
+ *
* May be copied or modified under the terms of the GNU General Public License
*
* June 22, 2004 - get rid of check_region
#include <linux/types.h>
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/hdreg.h>
#include <linux/pci.h>
-#include <linux/delay.h>
#include <linux/ide.h>
#include <asm/io.h>
static void trm290_dma_exec_cmd(ide_drive_t *drive, u8 command)
{
- BUG_ON(HWGROUP(drive)->handler != NULL); /* paranoia check */
- ide_set_handler(drive, &ide_dma_intr, WAIT_CMD, NULL);
- /* issue cmd to drive */
- outb(command, IDE_COMMAND_REG);
+ ide_execute_command(drive, command, &ide_dma_intr, WAIT_CMD, NULL);
}
static int trm290_dma_setup(ide_drive_t *drive)
}
/* select DMA xfer */
trm290_prepare_drive(drive, 1);
- outl(hwif->dmatable_dma | rw, hwif->dma_command);
+ outl(hwif->dmatable_dma | rw, hwif->dma_base);
drive->waiting_for_dma = 1;
/* start DMA */
- outw((count * 2) - 1, hwif->dma_status);
+ outw(count * 2 - 1, hwif->dma_base + 2);
return 0;
}
{
}
-static int trm290_ide_dma_end (ide_drive_t *drive)
+static int trm290_dma_end(ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
- u16 status = 0;
+ u16 status;
drive->waiting_for_dma = 0;
/* purge DMA mappings */
ide_destroy_dmatable(drive);
- status = inw(hwif->dma_status);
- return (status != 0x00ff);
+ status = inw(HWIF(drive)->dma_base + 2);
+ return status != 0x00ff;
}
-static int trm290_ide_dma_test_irq (ide_drive_t *drive)
+static int trm290_dma_test_irq(ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
- u16 status = 0;
+ u16 status;
- status = inw(hwif->dma_status);
- return (status == 0x00ff);
+ status = inw(HWIF(drive)->dma_base + 2);
+ return status == 0x00ff;
}
static void trm290_dma_host_set(ide_drive_t *drive, int on)
static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
{
- unsigned int cfgbase = 0;
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ unsigned int cfg_base = pci_resource_start(dev, 4);
unsigned long flags;
u8 reg = 0;
- struct pci_dev *dev = hwif->pci_dev;
-
- cfgbase = pci_resource_start(dev, 4);
- if ((dev->class & 5) && cfgbase) {
- hwif->config_data = cfgbase;
- printk(KERN_INFO "TRM290: chip config base at 0x%04lx\n",
- hwif->config_data);
- } else {
- hwif->config_data = 0x3df0;
- printk(KERN_INFO "TRM290: using default config base at 0x%04lx\n",
- hwif->config_data);
+
+ if ((dev->class & 5) && cfg_base)
+ printk(KERN_INFO "TRM290: chip");
+ else {
+ cfg_base = 0x3df0;
+ printk(KERN_INFO "TRM290: using default");
}
+ printk(KERN_CONT " config base at 0x%04x\n", cfg_base);
+ hwif->config_data = cfg_base;
+ hwif->dma_base = (cfg_base + 4) ^ (hwif->channel ? 0x80 : 0);
+
+ printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n",
+ hwif->name, hwif->dma_base, hwif->dma_base + 3);
+
+ if (ide_allocate_dma_engine(hwif))
+ return;
local_irq_save(flags);
/* put config reg into first byte of hwif->select_data */
outb(reg, hwif->config_data + 3);
local_irq_restore(flags);
- if ((reg & 0x10))
+ if (reg & 0x10)
/* legacy mode */
hwif->irq = hwif->channel ? 15 : 14;
else if (!hwif->irq && hwif->mate && hwif->mate->irq)
/* sharing IRQ with mate */
hwif->irq = hwif->mate->irq;
- ide_setup_dma(hwif, (hwif->config_data + 4) ^ (hwif->channel ? 0x0080 : 0x0000), 3);
-
- hwif->dma_host_set = &trm290_dma_host_set;
- hwif->dma_setup = &trm290_dma_setup;
- hwif->dma_exec_cmd = &trm290_dma_exec_cmd;
- hwif->dma_start = &trm290_dma_start;
- hwif->ide_dma_end = &trm290_ide_dma_end;
- hwif->ide_dma_test_irq = &trm290_ide_dma_test_irq;
-
- hwif->selectproc = &trm290_selectproc;
#if 1
{
/*
if (old != compat && old_mask == 0xff) {
/* leave lower 10 bits untouched */
compat += (next_offset += 0x400);
- hwif->io_ports[IDE_CONTROL_OFFSET] = compat + 2;
+ hwif->io_ports.ctl_addr = compat + 2;
outw(compat | 1, hwif->config_data);
new = inw(hwif->config_data);
printk(KERN_INFO "%s: control basereg workaround: "
#endif
}
+static const struct ide_port_ops trm290_port_ops = {
+ .selectproc = trm290_selectproc,
+};
+
+static struct ide_dma_ops trm290_dma_ops = {
+ .dma_host_set = trm290_dma_host_set,
+ .dma_setup = trm290_dma_setup,
+ .dma_exec_cmd = trm290_dma_exec_cmd,
+ .dma_start = trm290_dma_start,
+ .dma_end = trm290_dma_end,
+ .dma_test_irq = trm290_dma_test_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
+ .dma_timeout = ide_dma_timeout,
+};
+
static const struct ide_port_info trm290_chipset __devinitdata = {
.name = "TRM290",
.init_hwif = init_hwif_trm290,
.chipset = ide_trm290,
+ .port_ops = &trm290_port_ops,
+ .dma_ops = &trm290_dma_ops,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA |
#if 0 /* play it safe for now */
IDE_HFLAG_TRUST_BIOS_FOR_DMA |
#endif
IDE_HFLAG_NO_AUTODMA |
- IDE_HFLAG_BOOTABLE |
IDE_HFLAG_NO_LBA48,
};