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Message-Id: <20100129160816.21495.94589.sendpatchset@localhost>
Date: Fri, 29 Jan 2010 17:08:16 +0100
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 48/68] pata_cypress: move code to be re-used by ide2libata to pata_cypress.h
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH] pata_cypress: move code to be re-used by ide2libata to pata_cypress.h
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
drivers/ata/pata_cypress.c | 88 ---------------------------------------------
drivers/ata/pata_cypress.h | 88 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 89 insertions(+), 87 deletions(-)
Index: b/drivers/ata/pata_cypress.c
===================================================================
--- a/drivers/ata/pata_cypress.c
+++ b/drivers/ata/pata_cypress.c
@@ -20,93 +20,7 @@
#define DRV_NAME "pata_cypress"
#define DRV_VERSION "0.1.5"
-/* here are the offset definitions for the registers */
-
-enum {
- CY82_IDE_CMDREG = 0x04,
- CY82_IDE_ADDRSETUP = 0x48,
- CY82_IDE_MASTER_IOR = 0x4C,
- CY82_IDE_MASTER_IOW = 0x4D,
- CY82_IDE_SLAVE_IOR = 0x4E,
- CY82_IDE_SLAVE_IOW = 0x4F,
- CY82_IDE_MASTER_8BIT = 0x50,
- CY82_IDE_SLAVE_8BIT = 0x51,
-
- CY82_INDEX_PORT = 0x22,
- CY82_DATA_PORT = 0x23,
-
- CY82_INDEX_CTRLREG1 = 0x01,
- CY82_INDEX_CHANNEL0 = 0x30,
- CY82_INDEX_CHANNEL1 = 0x31,
- CY82_INDEX_TIMEOUT = 0x32
-};
-
-/**
- * cy82c693_set_piomode - set initial PIO mode data
- * @ap: ATA interface
- * @adev: ATA device
- *
- * Called to do the PIO mode setup.
- */
-
-static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev)
-{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- struct ata_timing t;
- const unsigned long T = 1000000 / 33;
- short time_16, time_8;
- u32 addr;
-
- ata_timing_compute(adev->id, adev->pio_mode, adev->pio_mode, &t, T, 1);
-
- time_16 = clamp_val(t.recover - 1, 0, 15) |
- (clamp_val(t.active - 1, 0, 15) << 4);
- time_8 = clamp_val(t.act8b - 1, 0, 15) |
- (clamp_val(t.rec8b - 1, 0, 15) << 4);
-
- if (adev->devno == 0) {
- pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
-
- addr &= ~0x0F; /* Mask bits */
- addr |= clamp_val(t.setup - 1, 0, 15);
-
- pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
- pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16);
- pci_write_config_byte(pdev, CY82_IDE_MASTER_IOW, time_16);
- pci_write_config_byte(pdev, CY82_IDE_MASTER_8BIT, time_8);
- } else {
- pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
-
- addr &= ~0xF0; /* Mask bits */
- addr |= (clamp_val(t.setup - 1, 0, 15) << 4);
-
- pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
- pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOR, time_16);
- pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOW, time_16);
- pci_write_config_byte(pdev, CY82_IDE_SLAVE_8BIT, time_8);
- }
-}
-
-/**
- * cy82c693_set_dmamode - set initial DMA mode data
- * @ap: ATA interface
- * @adev: ATA device
- *
- * Called to do the DMA mode setup.
- */
-
-static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev)
-{
- int reg = CY82_INDEX_CHANNEL0 + ap->port_no;
-
- /* Be afraid, be very afraid. Magic registers in low I/O space */
- outb(reg, 0x22);
- outb(adev->dma_mode - XFER_MW_DMA_0, 0x23);
-
- /* 0x50 gives the best behaviour on the Alpha's using this chip */
- outb(CY82_INDEX_TIMEOUT, 0x22);
- outb(0x50, 0x23);
-}
+#include "pata_cypress.h"
static struct scsi_host_template cy82c693_sht = {
ATA_BMDMA_SHT(DRV_NAME),
Index: b/drivers/ata/pata_cypress.h
===================================================================
--- /dev/null
+++ b/drivers/ata/pata_cypress.h
@@ -0,0 +1,88 @@
+
+/* here are the offset definitions for the registers */
+
+enum {
+ CY82_IDE_CMDREG = 0x04,
+ CY82_IDE_ADDRSETUP = 0x48,
+ CY82_IDE_MASTER_IOR = 0x4C,
+ CY82_IDE_MASTER_IOW = 0x4D,
+ CY82_IDE_SLAVE_IOR = 0x4E,
+ CY82_IDE_SLAVE_IOW = 0x4F,
+ CY82_IDE_MASTER_8BIT = 0x50,
+ CY82_IDE_SLAVE_8BIT = 0x51,
+
+ CY82_INDEX_PORT = 0x22,
+ CY82_DATA_PORT = 0x23,
+
+ CY82_INDEX_CTRLREG1 = 0x01,
+ CY82_INDEX_CHANNEL0 = 0x30,
+ CY82_INDEX_CHANNEL1 = 0x31,
+ CY82_INDEX_TIMEOUT = 0x32
+};
+
+/**
+ * cy82c693_set_piomode - set initial PIO mode data
+ * @ap: ATA interface
+ * @adev: ATA device
+ *
+ * Called to do the PIO mode setup.
+ */
+
+static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct ata_timing t;
+ const unsigned long T = 1000000 / 33;
+ short time_16, time_8;
+ u32 addr;
+
+ ata_timing_compute(adev->id, adev->pio_mode, adev->pio_mode, &t, T, 1);
+
+ time_16 = clamp_val(t.recover - 1, 0, 15) |
+ (clamp_val(t.active - 1, 0, 15) << 4);
+ time_8 = clamp_val(t.act8b - 1, 0, 15) |
+ (clamp_val(t.rec8b - 1, 0, 15) << 4);
+
+ if (adev->devno == 0) {
+ pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
+
+ addr &= ~0x0F; /* Mask bits */
+ addr |= clamp_val(t.setup - 1, 0, 15);
+
+ pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
+ pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16);
+ pci_write_config_byte(pdev, CY82_IDE_MASTER_IOW, time_16);
+ pci_write_config_byte(pdev, CY82_IDE_MASTER_8BIT, time_8);
+ } else {
+ pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
+
+ addr &= ~0xF0; /* Mask bits */
+ addr |= (clamp_val(t.setup - 1, 0, 15) << 4);
+
+ pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
+ pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOR, time_16);
+ pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOW, time_16);
+ pci_write_config_byte(pdev, CY82_IDE_SLAVE_8BIT, time_8);
+ }
+}
+
+/**
+ * cy82c693_set_dmamode - set initial DMA mode data
+ * @ap: ATA interface
+ * @adev: ATA device
+ *
+ * Called to do the DMA mode setup.
+ */
+
+static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev)
+{
+ int reg = CY82_INDEX_CHANNEL0 + ap->port_no;
+
+ /* Be afraid, be very afraid. Magic registers in low I/O space */
+ outb(reg, 0x22);
+ outb(adev->dma_mode - XFER_MW_DMA_0, 0x23);
+
+ /* 0x50 gives the best behaviour on the Alpha's using this chip */
+ outb(CY82_INDEX_TIMEOUT, 0x22);
+ outb(0x50, 0x23);
+}
--
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