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path: root/drivers/ide/pci/cs5520.c
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Diffstat (limited to 'drivers/ide/pci/cs5520.c')
-rw-r--r--drivers/ide/pci/cs5520.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index a8bf4940ca9c..aa98e817d385 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -106,18 +106,6 @@ static void cs5520_set_dma_mode(ide_drive_t *drive, const u8 speed)
106} 106}
107 107
108/* 108/*
109 * We provide a callback for our nonstandard DMA location
110 */
111
112static void __devinit cs5520_init_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif)
113{
114 unsigned long bmide = pci_resource_start(dev, 2); /* Not the usual 4 */
115 if(hwif->mate && hwif->mate->dma_base) /* Second channel at primary + 8 */
116 bmide += 8;
117 ide_setup_dma(hwif, bmide, 8);
118}
119
120/*
121 * We wrap the DMA activate to set the vdma flag. This is needed 109 * We wrap the DMA activate to set the vdma flag. This is needed
122 * so that the IDE DMA layer issues PIO not DMA commands over the 110 * so that the IDE DMA layer issues PIO not DMA commands over the
123 * DMA channel 111 * DMA channel
@@ -125,6 +113,7 @@ static void __devinit cs5520_init_setup_dma(struct pci_dev *dev, ide_pci_device_
125 113
126static int cs5520_dma_on(ide_drive_t *drive) 114static int cs5520_dma_on(ide_drive_t *drive)
127{ 115{
116 /* ATAPI is harder so leave it for now */
128 drive->vdma = 1; 117 drive->vdma = 1;
129 return 0; 118 return 0;
130} 119}
@@ -134,29 +123,21 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
134 hwif->set_pio_mode = &cs5520_set_pio_mode; 123 hwif->set_pio_mode = &cs5520_set_pio_mode;
135 hwif->set_dma_mode = &cs5520_set_dma_mode; 124 hwif->set_dma_mode = &cs5520_set_dma_mode;
136 125
137 if (hwif->dma_base == 0) { 126 if (hwif->dma_base == 0)
138 hwif->drives[1].autotune = hwif->drives[0].autotune = 1;
139 return; 127 return;
140 }
141 128
142 hwif->ide_dma_on = &cs5520_dma_on; 129 hwif->ide_dma_on = &cs5520_dma_on;
143
144 /* ATAPI is harder so leave it for now */
145 hwif->atapi_dma = 0;
146 hwif->ultra_mask = 0;
147 hwif->swdma_mask = 0;
148 hwif->mwdma_mask = 0;
149} 130}
150 131
151#define DECLARE_CS_DEV(name_str) \ 132#define DECLARE_CS_DEV(name_str) \
152 { \ 133 { \
153 .name = name_str, \ 134 .name = name_str, \
154 .init_setup_dma = cs5520_init_setup_dma, \
155 .init_hwif = init_hwif_cs5520, \ 135 .init_hwif = init_hwif_cs5520, \
156 .autodma = AUTODMA, \
157 .bootable = ON_BOARD, \
158 .host_flags = IDE_HFLAG_ISA_PORTS | \ 136 .host_flags = IDE_HFLAG_ISA_PORTS | \
159 IDE_HFLAG_VDMA, \ 137 IDE_HFLAG_CS5520 | \
138 IDE_HFLAG_VDMA | \
139 IDE_HFLAG_NO_ATAPI_DMA | \
140 IDE_HFLAG_BOOTABLE, \
160 .pio_mask = ATA_PIO4, \ 141 .pio_mask = ATA_PIO4, \
161 } 142 }
162 143