linux-kernel - [PATCH] sata_nv: add the wildcard support for ahci legacy mode

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Date:	Tue, 9 Oct 2007 00:12:40 +0800
From:	"peerchen" <peerchen@...il.com>
To:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"linux-ide" <linux-ide@...r.kernel.org>
Cc:	"akpm" <akpm@...ux-foundation.org>, "jeff" <jeff@...zik.org>
Subject: [PATCH] sata_nv: add the wildcard support for ahci legacy mode

Add the wildcard support to sata_nv driver for those new ahci controllers being configured
as IDE/RAID mode and also their DIDs haven't been added into ahci driver.

The patch base on kernel 2.6.23-rc9

Signed-off-by: Peer Chen <peerchen@...il.com>
---
--- linux-2.6.23-rc9/drivers/ata/sata_nv.c.orig	2007-10-08 10:32:52.000000000 -0400
+++ linux-2.6.23-rc9/drivers/ata/sata_nv.c	2007-10-08 10:33:04.000000000 -0400
@@ -266,6 +266,7 @@ static void nv_adma_tf_read(struct ata_p
 enum nv_host_type
 {
 	GENERIC,
+	AHCI_LEG,
 	NFORCE2,
 	NFORCE3 = NFORCE2,	/* NF2 == NF3 as far as sata_nv is concerned */
 	CK804,
@@ -287,6 +288,12 @@ static const struct pci_device_id nv_pci
 	{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC },
 	{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC },
 	{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
+		PCI_ANY_ID, PCI_ANY_ID,
+		PCI_CLASS_STORAGE_RAID<<8, 0xffff00, AHCI_LEG },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
+		PCI_ANY_ID, PCI_ANY_ID,
+		PCI_CLASS_STORAGE_IDE<<8, 0xffff00, AHCI_LEG },
 
 	{ } /* terminate list */
 };
@@ -365,6 +372,30 @@ static const struct ata_port_operations 
 	.port_start		= ata_port_start,
 };
 
+static const struct ata_port_operations nv_ahci_leg_ops = {
+	.port_disable		= ata_port_disable,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.exec_command		= ata_exec_command,
+	.check_status		= ata_check_status,
+	.dev_select		= ata_std_dev_select,
+	.bmdma_setup		= ata_bmdma_setup,
+	.bmdma_start		= ata_bmdma_start,
+	.bmdma_stop		= ata_bmdma_stop,
+	.bmdma_status		= ata_bmdma_status,
+	.qc_prep		= ata_qc_prep,
+	.qc_issue		= ata_qc_issue_prot,
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
+	.error_handler		= nv_error_handler,
+	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
+	.data_xfer		= ata_data_xfer,
+	.irq_clear		= ata_bmdma_irq_clear,
+	.irq_on			= ata_irq_on,
+	.irq_ack		= ata_irq_ack,
+	.port_start		= ata_port_start,
+};
+
 static const struct ata_port_operations nv_nf2_ops = {
 	.port_disable		= ata_port_disable,
 	.tf_load		= ata_tf_load,
@@ -463,6 +494,17 @@ static const struct ata_port_info nv_por
 		.port_ops	= &nv_generic_ops,
 		.irq_handler	= nv_generic_interrupt,
 	},
+	/* ahci legacy */
+	{
+		.sht		= &nv_sht,
+		.flags		= ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS |
+				  ATA_FLAG_HRST_TO_RESUME,
+		.pio_mask	= NV_PIO_MASK,
+		.mwdma_mask	= NV_MWDMA_MASK,
+		.udma_mask	= NV_UDMA_MASK,
+		.port_ops	= &nv_ahci_leg_ops,
+		.irq_handler	= nv_generic_interrupt,
+	},
 	/* nforce2/3 */
 	{
 		.sht		= &nv_sht,
-

-
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