X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fide%2Ftrm290.c;h=4b42ca091534093a52cefdd5398ba8a6a0726cb6;hb=08a408161749d2406f94f4e3d47cfdbc826ad1cc;hp=8dd3d82268707dcd2d2241d5b6b8f58fb8e641e0;hpb=4453011f959a5f5c6c7a33aea54fe17f5e43a867;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c
index 8dd3d82..4b42ca0 100644
--- a/drivers/ide/trm290.c
+++ b/drivers/ide/trm290.c
@@ -171,53 +171,51 @@ static void trm290_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
 	local_irq_restore(flags);
 }
 
-static void trm290_selectproc (ide_drive_t *drive)
+static void trm290_dev_select(ide_drive_t *drive)
 {
 	trm290_prepare_drive(drive, !!(drive->dev_flags & IDE_DFLAG_USING_DMA));
+
+	outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);
 }
 
-static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
+static int trm290_dma_check(ide_drive_t *drive, struct ide_cmd *cmd)
 {
-	ide_hwif_t *hwif = drive->hwif;
-	unsigned int count, rw;
-
 	if (cmd->tf_flags & IDE_TFLAG_WRITE) {
 #ifdef TRM290_NO_DMA_WRITES
 		/* always use PIO for writes */
-		trm290_prepare_drive(drive, 0);	/* select PIO xfer */
 		return 1;
 #endif
-		rw = 1;
-	} else
-		rw = 2;
+	}
+	return 0;
+}
+
+static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	unsigned int count, rw = (cmd->tf_flags & IDE_TFLAG_WRITE) ? 1 : 2;
 
 	count = ide_build_dmatable(drive, cmd);
-	if (count == 0) {
-		ide_map_sg(drive, cmd);
+	if (count == 0)
 		/* try PIO instead of DMA */
-		trm290_prepare_drive(drive, 0); /* select PIO xfer */
 		return 1;
-	}
-	/* select DMA xfer */
-	trm290_prepare_drive(drive, 1);
+
 	outl(hwif->dmatable_dma | rw, hwif->dma_base);
-	drive->waiting_for_dma = 1;
 	/* start DMA */
 	outw(count * 2 - 1, hwif->dma_base + 2);
+
 	return 0;
 }
 
 static void trm290_dma_start(ide_drive_t *drive)
 {
+	trm290_prepare_drive(drive, 1);
 }
 
 static int trm290_dma_end(ide_drive_t *drive)
 {
-	u16 status;
-
-	drive->waiting_for_dma = 0;
+	u16 status = inw(drive->hwif->dma_base + 2);
 
-	status = inw(drive->hwif->dma_base + 2);
+	trm290_prepare_drive(drive, 0);
 
 	return status != 0x00ff;
 }
@@ -302,8 +300,18 @@ static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
 #endif
 }
 
-static const struct ide_port_ops trm290_port_ops = {
-	.selectproc		= trm290_selectproc,
+static const struct ide_tp_ops trm290_tp_ops = {
+	.exec_command		= ide_exec_command,
+	.read_status		= ide_read_status,
+	.read_altstatus		= ide_read_altstatus,
+	.write_devctl		= ide_write_devctl,
+
+	.dev_select		= trm290_dev_select,
+	.tf_load		= ide_tf_load,
+	.tf_read		= ide_tf_read,
+
+	.input_data		= ide_input_data,
+	.output_data		= ide_output_data,
 };
 
 static struct ide_dma_ops trm290_dma_ops = {
@@ -313,12 +321,13 @@ static struct ide_dma_ops trm290_dma_ops = {
 	.dma_end		= trm290_dma_end,
 	.dma_test_irq		= trm290_dma_test_irq,
 	.dma_lost_irq		= ide_dma_lost_irq,
+	.dma_check		= trm290_dma_check,
 };
 
 static const struct ide_port_info trm290_chipset __devinitdata = {
 	.name		= DRV_NAME,
 	.init_hwif	= init_hwif_trm290,
-	.port_ops	= &trm290_port_ops,
+	.tp_ops 	= &trm290_tp_ops,
 	.dma_ops	= &trm290_dma_ops,
 	.host_flags	= IDE_HFLAG_TRM290 |
 			  IDE_HFLAG_NO_ATAPI_DMA |