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Date: Sat, 12 Apr 2008 14:34:22 +0200
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: linux-ide@...r.kernel.org
Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 4/9] ide-cris: add ->tf_{load,read} methods
Add ->tf_{load,read} methods so cris_ide_{outb,outw,inb,inw}()
can be used directly.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
drivers/ide/cris/ide-cris.c | 87 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
Index: b/drivers/ide/cris/ide-cris.c
===================================================================
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -775,6 +775,90 @@ static void __init cris_setup_ports(hw_r
hw->ack_intr = cris_ide_ack_intr;
}
+static void cris_tf_load(ide_drive_t *drive, ide_task_t *task)
+{
+ struct ide_io_ports *io_ports = &drive->hwif->io_ports;
+ struct ide_taskfile *tf = &task->tf;
+ u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
+
+ if (task->tf_flags & IDE_TFLAG_FLAGGED)
+ HIHI = 0xFF;
+
+ ide_set_irq(drive, 1);
+
+ if (task->tf_flags & IDE_TFLAG_OUT_DATA)
+ cris_ide_outw((tf->hob_data << 8) | tf->data,
+ io_ports->data_addr);
+
+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
+ cris_ide_outb(tf->hob_feature, io_ports->feature_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
+ cris_ide_outb(tf->hob_nsect, io_ports->nsect_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
+ cris_ide_outb(tf->hob_lbal, io_ports->lbal_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
+ cris_ide_outb(tf->hob_lbam, io_ports->lbam_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
+ cris_ide_outb(tf->hob_lbah, io_ports->lbah_addr);
+
+ if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
+ cris_ide_outb(tf->feature, io_ports->feature_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
+ cris_ide_outb(tf->nsect, io_ports->nsect_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
+ cris_ide_outb(tf->lbal, io_ports->lbal_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
+ cris_ide_outb(tf->lbam, io_ports->lbam_addr);
+ if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
+ cris_ide_outb(tf->lbah, io_ports->lbah_addr);
+
+ if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
+ cris_ide_outb((tf->device & HIHI) | drive->select.all,
+ io_ports->device_addr);
+}
+
+static void cris_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+ struct ide_io_ports *io_ports = &drive->hwif->io_ports;
+ struct ide_taskfile *tf = &task->tf;
+
+ if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+ u16 data = cris_ide_inw(io_ports->data_addr);
+
+ tf->data = data & 0xff;
+ tf->hob_data = (data >> 8) & 0xff;
+ }
+
+ /* be sure we're looking at the low order bits */
+ cris_ide_outb(drive->ctl & ~0x80, io_ports->ctl_addr);
+
+ if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+ tf->nsect = cris_ide_inb(io_ports->nsect_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+ tf->lbal = cris_ide_inb(io_ports->lbal_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+ tf->lbam = cris_ide_inb(io_ports->lbam_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+ tf->lbah = cris_ide_inb(io_ports->lbah_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+ tf->device = cris_ide_inb(io_ports->device_addr);
+
+ if (task->tf_flags & IDE_TFLAG_LBA48) {
+ cris_ide_outb(drive->ctl | 0x80, io_ports->ctl_addr);
+
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+ tf->hob_feature = cris_ide_inb(io_ports->feature_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+ tf->hob_nsect = cris_ide_inb(io_ports->nsect_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+ tf->hob_lbal = cris_ide_inb(io_ports->lbal_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+ tf->hob_lbam = cris_ide_inb(io_ports->lbam_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+ tf->hob_lbah = cris_ide_inb(io_ports->lbah_addr);
+ }
+}
+
static const struct ide_port_ops cris_port_ops = {
.set_pio_mode = cris_set_pio_mode,
.set_dma_mode = cris_set_dma_mode,
@@ -812,6 +896,9 @@ static int __init init_e100_ide(void)
ide_init_port_hw(hwif, &hw);
+ hwif->tf_load = cris_tf_load;
+ hwif->tf_read = cris_tf_read;
+
hwif->input_data = cris_input_data;
hwif->output_data = cris_output_data;
--
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