pata_sil680.c (bb648a0d22908116b4ef168935a160d7f17c4e6d) pata_sil680.c (a0fcdc0259e98d1c16d96baea9ba8a8603e41791)
1/*
2 * pata_sil680.c - SIL680 PATA for new ATA layer
3 * (C) 2005 Red Hat Inc
4 * Alan Cox <alan@redhat.com>
5 *
6 * based upon
7 *
8 * linux/drivers/ide/pci/siimage.c Version 1.07 Nov 30, 2003

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28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/blkdev.h>
31#include <linux/delay.h>
32#include <scsi/scsi_host.h>
33#include <linux/libata.h>
34
35#define DRV_NAME "pata_sil680"
1/*
2 * pata_sil680.c - SIL680 PATA for new ATA layer
3 * (C) 2005 Red Hat Inc
4 * Alan Cox <alan@redhat.com>
5 *
6 * based upon
7 *
8 * linux/drivers/ide/pci/siimage.c Version 1.07 Nov 30, 2003

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28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/blkdev.h>
31#include <linux/delay.h>
32#include <scsi/scsi_host.h>
33#include <linux/libata.h>
34
35#define DRV_NAME "pata_sil680"
36#define DRV_VERSION "0.4.5"
36#define DRV_VERSION "0.4.6"
37
38/**
39 * sil680_selreg - return register base
40 * @hwif: interface
41 * @r: config offset
42 *
43 * Turn a config register offset into the right address in either
44 * PCI space or MMIO space to access the control register in question

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86 u8 ata66;
87 pci_read_config_byte(pdev, addr, &ata66);
88 if (ata66 & 1)
89 return ATA_CBL_PATA80;
90 else
91 return ATA_CBL_PATA40;
92}
93
37
38/**
39 * sil680_selreg - return register base
40 * @hwif: interface
41 * @r: config offset
42 *
43 * Turn a config register offset into the right address in either
44 * PCI space or MMIO space to access the control register in question

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86 u8 ata66;
87 pci_read_config_byte(pdev, addr, &ata66);
88 if (ata66 & 1)
89 return ATA_CBL_PATA80;
90 else
91 return ATA_CBL_PATA40;
92}
93
94static int sil680_pre_reset(struct ata_port *ap)
95{
96 ap->cbl = sil680_cable_detect(ap);
97 return ata_std_prereset(ap);
98}
99
100/**
101 * sil680_bus_reset - reset the SIL680 bus
102 * @ap: ATA port to reset
103 *
104 * Perform the SIL680 housekeeping when doing an ATA bus reset
105 */
106
107static int sil680_bus_reset(struct ata_port *ap,unsigned int *classes)

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114 pci_write_config_byte(pdev, addr, reset | 0x03);
115 udelay(25);
116 pci_write_config_byte(pdev, addr, reset);
117 return ata_std_softreset(ap, classes);
118}
119
120static void sil680_error_handler(struct ata_port *ap)
121{
94/**
95 * sil680_bus_reset - reset the SIL680 bus
96 * @ap: ATA port to reset
97 *
98 * Perform the SIL680 housekeeping when doing an ATA bus reset
99 */
100
101static int sil680_bus_reset(struct ata_port *ap,unsigned int *classes)

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108 pci_write_config_byte(pdev, addr, reset | 0x03);
109 udelay(25);
110 pci_write_config_byte(pdev, addr, reset);
111 return ata_std_softreset(ap, classes);
112}
113
114static void sil680_error_handler(struct ata_port *ap)
115{
122 ata_bmdma_drive_eh(ap, sil680_pre_reset, sil680_bus_reset, NULL, ata_std_postreset);
116 ata_bmdma_drive_eh(ap, ata_std_prereset, sil680_bus_reset, NULL, ata_std_postreset);
123}
124
125/**
126 * sil680_set_piomode - set initial PIO mode data
127 * @ap: ATA interface
128 * @adev: ATA device
129 *
130 * Program the SIL680 registers for PIO mode. Note that the task speed

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252 .check_status = ata_check_status,
253 .exec_command = ata_exec_command,
254 .dev_select = ata_std_dev_select,
255
256 .freeze = ata_bmdma_freeze,
257 .thaw = ata_bmdma_thaw,
258 .error_handler = sil680_error_handler,
259 .post_internal_cmd = ata_bmdma_post_internal_cmd,
117}
118
119/**
120 * sil680_set_piomode - set initial PIO mode data
121 * @ap: ATA interface
122 * @adev: ATA device
123 *
124 * Program the SIL680 registers for PIO mode. Note that the task speed

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246 .check_status = ata_check_status,
247 .exec_command = ata_exec_command,
248 .dev_select = ata_std_dev_select,
249
250 .freeze = ata_bmdma_freeze,
251 .thaw = ata_bmdma_thaw,
252 .error_handler = sil680_error_handler,
253 .post_internal_cmd = ata_bmdma_post_internal_cmd,
254 .cable_detect = sil680_cable_detect,
260
261 .bmdma_setup = ata_bmdma_setup,
262 .bmdma_start = ata_bmdma_start,
263 .bmdma_stop = ata_bmdma_stop,
264 .bmdma_status = ata_bmdma_status,
265
266 .qc_prep = ata_qc_prep,
267 .qc_issue = ata_qc_issue_prot,

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256 .bmdma_setup = ata_bmdma_setup,
257 .bmdma_start = ata_bmdma_start,
258 .bmdma_stop = ata_bmdma_stop,
259 .bmdma_status = ata_bmdma_status,
260
261 .qc_prep = ata_qc_prep,
262 .qc_issue = ata_qc_issue_prot,

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