pata_oldpiix.c (bb648a0d22908116b4ef168935a160d7f17c4e6d) pata_oldpiix.c (a0fcdc0259e98d1c16d96baea9ba8a8603e41791)
1/*
2 * pata_oldpiix.c - Intel PATA/SATA controllers
3 *
4 * (C) 2005 Red Hat <alan@redhat.com>
5 *
6 * Some parts based on ata_piix.c by Jeff Garzik and others.
7 *
8 * Early PIIX differs significantly from the later PIIX as it lacks

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20#include <linux/blkdev.h>
21#include <linux/delay.h>
22#include <linux/device.h>
23#include <scsi/scsi_host.h>
24#include <linux/libata.h>
25#include <linux/ata.h>
26
27#define DRV_NAME "pata_oldpiix"
1/*
2 * pata_oldpiix.c - Intel PATA/SATA controllers
3 *
4 * (C) 2005 Red Hat <alan@redhat.com>
5 *
6 * Some parts based on ata_piix.c by Jeff Garzik and others.
7 *
8 * Early PIIX differs significantly from the later PIIX as it lacks

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20#include <linux/blkdev.h>
21#include <linux/delay.h>
22#include <linux/device.h>
23#include <scsi/scsi_host.h>
24#include <linux/libata.h>
25#include <linux/ata.h>
26
27#define DRV_NAME "pata_oldpiix"
28#define DRV_VERSION "0.5.4"
28#define DRV_VERSION "0.5.5"
29
30/**
31 * oldpiix_pre_reset - probe begin
32 * @ap: ATA port
33 *
34 * Set up cable type and use generic probe init
35 */
36
37static int oldpiix_pre_reset(struct ata_port *ap)
38{
39 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
40 static const struct pci_bits oldpiix_enable_bits[] = {
41 { 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
42 { 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */
43 };
44
45 if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no]))
46 return -ENOENT;
29
30/**
31 * oldpiix_pre_reset - probe begin
32 * @ap: ATA port
33 *
34 * Set up cable type and use generic probe init
35 */
36
37static int oldpiix_pre_reset(struct ata_port *ap)
38{
39 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
40 static const struct pci_bits oldpiix_enable_bits[] = {
41 { 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
42 { 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */
43 };
44
45 if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no]))
46 return -ENOENT;
47 ap->cbl = ATA_CBL_PATA40;
48 return ata_std_prereset(ap);
49}
50
51/**
52 * oldpiix_pata_error_handler - Probe specified port on PATA host controller
53 * @ap: Port to probe
54 * @classes:
55 *

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60static void oldpiix_pata_error_handler(struct ata_port *ap)
61{
62 ata_bmdma_drive_eh(ap, oldpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
63}
64
65/**
66 * oldpiix_set_piomode - Initialize host controller PATA PIO timings
67 * @ap: Port whose timings we are configuring
47 return ata_std_prereset(ap);
48}
49
50/**
51 * oldpiix_pata_error_handler - Probe specified port on PATA host controller
52 * @ap: Port to probe
53 * @classes:
54 *

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59static void oldpiix_pata_error_handler(struct ata_port *ap)
60{
61 ata_bmdma_drive_eh(ap, oldpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
62}
63
64/**
65 * oldpiix_set_piomode - Initialize host controller PATA PIO timings
66 * @ap: Port whose timings we are configuring
68 * @adev: um
67 * @adev: Device whose timings we are configuring
69 *
70 * Set PIO mode for device, in host controller PCI config space.
71 *
72 * LOCKING:
73 * None (inherited from caller).
74 */
75
76static void oldpiix_set_piomode (struct ata_port *ap, struct ata_device *adev)

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250 .check_status = ata_check_status,
251 .exec_command = ata_exec_command,
252 .dev_select = ata_std_dev_select,
253
254 .freeze = ata_bmdma_freeze,
255 .thaw = ata_bmdma_thaw,
256 .error_handler = oldpiix_pata_error_handler,
257 .post_internal_cmd = ata_bmdma_post_internal_cmd,
68 *
69 * Set PIO mode for device, in host controller PCI config space.
70 *
71 * LOCKING:
72 * None (inherited from caller).
73 */
74
75static void oldpiix_set_piomode (struct ata_port *ap, struct ata_device *adev)

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249 .check_status = ata_check_status,
250 .exec_command = ata_exec_command,
251 .dev_select = ata_std_dev_select,
252
253 .freeze = ata_bmdma_freeze,
254 .thaw = ata_bmdma_thaw,
255 .error_handler = oldpiix_pata_error_handler,
256 .post_internal_cmd = ata_bmdma_post_internal_cmd,
257 .cable_detect = ata_cable_40wire,
258
259 .bmdma_setup = ata_bmdma_setup,
260 .bmdma_start = ata_bmdma_start,
261 .bmdma_stop = ata_bmdma_stop,
262 .bmdma_status = ata_bmdma_status,
263 .qc_prep = ata_qc_prep,
264 .qc_issue = oldpiix_qc_issue_prot,
265 .data_xfer = ata_data_xfer,

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259 .bmdma_setup = ata_bmdma_setup,
260 .bmdma_start = ata_bmdma_start,
261 .bmdma_stop = ata_bmdma_stop,
262 .bmdma_status = ata_bmdma_status,
263 .qc_prep = ata_qc_prep,
264 .qc_issue = oldpiix_qc_issue_prot,
265 .data_xfer = ata_data_xfer,

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