]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/tx4938ide.c
Staging: sxg: Commenting style fixes - Pending work
[linux-2.6-omap-h63xx.git] / drivers / ide / tx4938ide.c
index d9095345f7ca989c02c9fe663636c5ffe5987d7d..4cb79c4c2604e2920c435ff1c97ebe3fb236de0d 100644 (file)
@@ -15,6 +15,8 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+
+#include <asm/ide.h>
 #include <asm/txx9/tx4938.h>
 
 static void tx4938ide_tune_ebusc(unsigned int ebus_ch,
@@ -80,99 +82,82 @@ static void tx4938ide_outb(u8 value, unsigned long port)
        __raw_writeb(value, (void __iomem *)port);
 }
 
-static void tx4938ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+static void tx4938ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
 {
        ide_hwif_t *hwif = drive->hwif;
        struct ide_io_ports *io_ports = &hwif->io_ports;
-       struct ide_taskfile *tf = &task->tf;
-       u8 HIHI = task->tf_flags & IDE_TFLAG_LBA48 ? 0xE0 : 0xEF;
+       struct ide_taskfile *tf = &cmd->tf;
+       u8 HIHI = cmd->tf_flags & IDE_TFLAG_LBA48 ? 0xE0 : 0xEF;
 
-       if (task->tf_flags & IDE_TFLAG_FLAGGED)
+       if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
                HIHI = 0xFF;
 
-       if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
-               u16 data = (tf->hob_data << 8) | tf->data;
-
-               /* no endian swap */
-               __raw_writew(data, (void __iomem *)io_ports->data_addr);
-       }
-
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
                tx4938ide_outb(tf->hob_feature, io_ports->feature_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
                tx4938ide_outb(tf->hob_nsect, io_ports->nsect_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
                tx4938ide_outb(tf->hob_lbal, io_ports->lbal_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
                tx4938ide_outb(tf->hob_lbam, io_ports->lbam_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
                tx4938ide_outb(tf->hob_lbah, io_ports->lbah_addr);
 
-       if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_FEATURE)
                tx4938ide_outb(tf->feature, io_ports->feature_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_NSECT)
                tx4938ide_outb(tf->nsect, io_ports->nsect_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_LBAL)
                tx4938ide_outb(tf->lbal, io_ports->lbal_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_LBAM)
                tx4938ide_outb(tf->lbam, io_ports->lbam_addr);
-       if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_LBAH)
                tx4938ide_outb(tf->lbah, io_ports->lbah_addr);
 
-       if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
+       if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
                tx4938ide_outb((tf->device & HIHI) | drive->select,
                               io_ports->device_addr);
 }
 
-static void tx4938ide_tf_read(ide_drive_t *drive, ide_task_t *task)
+static void tx4938ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
 {
        ide_hwif_t *hwif = drive->hwif;
        struct ide_io_ports *io_ports = &hwif->io_ports;
-       struct ide_taskfile *tf = &task->tf;
-
-       if (task->tf_flags & IDE_TFLAG_IN_DATA) {
-               u16 data;
-
-               /* no endian swap */
-               data = __raw_readw((void __iomem *)io_ports->data_addr);
-               tf->data = data & 0xff;
-               tf->hob_data = (data >> 8) & 0xff;
-       }
+       struct ide_taskfile *tf = &cmd->tf;
 
        /* be sure we're looking at the low order bits */
-       tx4938ide_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
+       tx4938ide_outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);
 
-       if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
-               tf->feature = tx4938ide_inb(io_ports->feature_addr);
-       if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+       if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
+               tf->error  = tx4938ide_inb(io_ports->feature_addr);
+       if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
                tf->nsect  = tx4938ide_inb(io_ports->nsect_addr);
-       if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+       if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
                tf->lbal   = tx4938ide_inb(io_ports->lbal_addr);
-       if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+       if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
                tf->lbam   = tx4938ide_inb(io_ports->lbam_addr);
-       if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+       if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
                tf->lbah   = tx4938ide_inb(io_ports->lbah_addr);
-       if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+       if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
                tf->device = tx4938ide_inb(io_ports->device_addr);
 
-       if (task->tf_flags & IDE_TFLAG_LBA48) {
-               tx4938ide_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
-
-               if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
-                       tf->hob_feature =
-                               tx4938ide_inb(io_ports->feature_addr);
-               if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
-                       tf->hob_nsect   = tx4938ide_inb(io_ports->nsect_addr);
-               if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
-                       tf->hob_lbal    = tx4938ide_inb(io_ports->lbal_addr);
-               if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
-                       tf->hob_lbam    = tx4938ide_inb(io_ports->lbam_addr);
-               if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
-                       tf->hob_lbah    = tx4938ide_inb(io_ports->lbah_addr);
+       if (cmd->tf_flags & IDE_TFLAG_LBA48) {
+               tx4938ide_outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);
+
+               if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
+                       tf->hob_error = tx4938ide_inb(io_ports->feature_addr);
+               if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+                       tf->hob_nsect = tx4938ide_inb(io_ports->nsect_addr);
+               if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+                       tf->hob_lbal  = tx4938ide_inb(io_ports->lbal_addr);
+               if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+                       tf->hob_lbam  = tx4938ide_inb(io_ports->lbam_addr);
+               if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+                       tf->hob_lbah  = tx4938ide_inb(io_ports->lbah_addr);
        }
 }
 
-static void tx4938ide_input_data_swap(ide_drive_t *drive, struct request *rq,
+static void tx4938ide_input_data_swap(ide_drive_t *drive, struct ide_cmd *cmd,
                                void *buf, unsigned int len)
 {
        unsigned long port = drive->hwif->io_ports.data_addr;
@@ -184,7 +169,7 @@ static void tx4938ide_input_data_swap(ide_drive_t *drive, struct request *rq,
        __ide_flush_dcache_range((unsigned long)buf, roundup(len, 2));
 }
 
-static void tx4938ide_output_data_swap(ide_drive_t *drive, struct request *rq,
+static void tx4938ide_output_data_swap(ide_drive_t *drive, struct ide_cmd *cmd,
                                void *buf, unsigned int len)
 {
        unsigned long port = drive->hwif->io_ports.data_addr;
@@ -202,9 +187,9 @@ static const struct ide_tp_ops tx4938ide_tp_ops = {
        .exec_command           = ide_exec_command,
        .read_status            = ide_read_status,
        .read_altstatus         = ide_read_altstatus,
+       .write_devctl           = ide_write_devctl,
 
-       .set_irq                = ide_set_irq,
-
+       .dev_select             = ide_dev_select,
        .tf_load                = tx4938ide_tf_load,
        .tf_read                = tx4938ide_tf_read,