aboutsummaryrefslogtreecommitdiff
path: root/drivers/ata/pata_cs5535.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/pata_cs5535.c')
-rw-r--r--drivers/ata/pata_cs5535.c140
1 files changed, 32 insertions, 108 deletions
diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c
index 69d6b425872..97584e8456d 100644
--- a/drivers/ata/pata_cs5535.c
+++ b/drivers/ata/pata_cs5535.c
@@ -1,10 +1,10 @@
/*
* pata-cs5535.c - CS5535 PATA for new ATA layer
* (C) 2005-2006 Red Hat Inc
- * Alan Cox <alan@redhat.com>
+ * Alan Cox <alan@lxorguk.ukuu.org.uk>
*
* based upon cs5535.c from AMD <Jens.Altmann@amd.com> as cleaned up and
- * made readable and Linux style by Wolfgang Zuleger <wolfgang.zuleger@gmx.de
+ * made readable and Linux style by Wolfgang Zuleger <wolfgang.zuleger@gmx.de>
* and Alexander Kiausch <alex.kiausch@t-online.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -25,21 +25,20 @@
* Documentation:
* Available from AMD web site.
* TODO
- * Review errata to see if serializing is neccessary
+ * Review errata to see if serializing is necessary
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
-#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <asm/msr.h>
-#define DRV_NAME "cs5535"
-#define DRV_VERSION "0.2.10"
+#define DRV_NAME "pata_cs5535"
+#define DRV_VERSION "0.2.12"
/*
* The Geode (Aka Athlon GX now) uses an internal MSR based
@@ -67,39 +66,24 @@
#define CS5535_CABLE_DETECT 0x48
-#define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 )
-
/**
- * cs5535_pre_reset - detect cable type
+ * cs5535_cable_detect - detect cable type
* @ap: Port to detect on
*
* Perform cable detection for ATA66 capable cable. Return a libata
* cable type.
*/
-static int cs5535_pre_reset(struct ata_port *ap)
+static int cs5535_cable_detect(struct ata_port *ap)
{
u8 cable;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
pci_read_config_byte(pdev, CS5535_CABLE_DETECT, &cable);
if (cable & 1)
- ap->cbl = ATA_CBL_PATA80;
+ return ATA_CBL_PATA80;
else
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-/**
- * cs5535_error_handler - reset/probe
- * @ap: Port to reset
- *
- * Reset and configure a port
- */
-
-static void cs5535_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, cs5535_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+ return ATA_CBL_PATA40;
}
/**
@@ -113,7 +97,7 @@ static void cs5535_error_handler(struct ata_port *ap)
static void cs5535_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
static const u16 pio_timings[5] = {
- 0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131
+ 0xF7F4, 0xF173, 0x8141, 0x5131, 0x1131
};
static const u16 pio_cmd_timings[5] = {
0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131
@@ -170,56 +154,14 @@ static void cs5535_set_dmamode(struct ata_port *ap, struct ata_device *adev)
}
static struct scsi_host_template cs5535_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
- .max_sectors = ATA_MAX_SECTORS,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .emulated = ATA_SHT_EMULATED,
- .use_clustering = ATA_SHT_USE_CLUSTERING,
- .proc_name = DRV_NAME,
- .dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = ata_scsi_slave_config,
- .bios_param = ata_std_bios_param,
+ ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations cs5535_port_ops = {
- .port_disable = ata_port_disable,
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = cs5535_cable_detect,
.set_piomode = cs5535_set_piomode,
.set_dmamode = cs5535_set_dmamode,
- .mode_filter = ata_pci_default_filter,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = cs5535_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
-
- .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,
- .eng_timeout = ata_eng_timeout,
- .data_xfer = ata_pio_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
-
- .port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
/**
@@ -234,58 +176,40 @@ static struct ata_port_operations cs5535_port_ops = {
static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- static struct ata_port_info info = {
- .sht = &cs5535_sht,
- .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
- .pio_mask = 0x1f,
- .mwdma_mask = 0x07,
- .udma_mask = 0x1f,
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA4,
.port_ops = &cs5535_port_ops
};
- struct ata_port_info *ports[1] = { &info };
-
- u32 timings, dummy;
+ const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
- /* Check the BIOS set the initial timing clock. If not set the
- timings for PIO0 */
- rdmsr(ATAC_CH0D0_PIO, timings, dummy);
- if (CS5535_BAD_PIO(timings))
- wrmsr(ATAC_CH0D0_PIO, 0xF7F4F7F4UL, 0);
- rdmsr(ATAC_CH0D1_PIO, timings, dummy);
- if (CS5535_BAD_PIO(timings))
- wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0);
- return ata_pci_init_one(dev, ports, 1);
+ return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0);
}
-static struct pci_device_id cs5535[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_NS, 0x002D), },
- { 0, },
+static const struct pci_device_id cs5535[] = {
+ { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_CS5535_IDE), },
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5535_IDE), },
+
+ { },
};
static struct pci_driver cs5535_pci_driver = {
.name = DRV_NAME,
.id_table = cs5535,
.probe = cs5535_init_one,
- .remove = ata_pci_remove_one
+ .remove = ata_pci_remove_one,
+#ifdef CONFIG_PM_SLEEP
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
+#endif
};
-static int __init cs5535_init(void)
-{
- return pci_register_driver(&cs5535_pci_driver);
-}
-
-
-static void __exit cs5535_exit(void)
-{
- pci_unregister_driver(&cs5535_pci_driver);
-}
-
+module_pci_driver(cs5535_pci_driver);
MODULE_AUTHOR("Alan Cox, Jens Altmann, Wolfgan Zuleger, Alexander Kiausch");
-MODULE_DESCRIPTION("low-level driver for the NS/AMD 5530");
+MODULE_DESCRIPTION("low-level driver for the NS/AMD 5535");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, cs5535);
MODULE_VERSION(DRV_VERSION);
-
-module_init(cs5535_init);
-module_exit(cs5535_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 20:04:31 +0000