Commit 33c1002e authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

ide: add IDE_HFLAG_NO_ATAPI_DMA host flag



Add IDE_HFLAG_NO_ATAPI_DMA host flag and set it in host drivers which
don't support ATAPI DMA.  Then remove no longer needed hwif->atapi_dma.
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 1c3dd326
......@@ -415,7 +415,6 @@ static void icside_dma_lost_irq(ide_drive_t *drive)
static void icside_dma_init(ide_hwif_t *hwif)
{
hwif->atapi_dma = 1;
hwif->mwdma_mask = 7; /* MW0..2 */
hwif->swdma_mask = 7; /* SW0..2 */
......
......@@ -805,6 +805,7 @@ init_e100_ide (void)
hwif->dma_host_on = &cris_dma_on;
hwif->dma_off_quietly = &cris_dma_off;
hwif->cbl = ATA_CBL_PATA40;
hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
hwif->pio_mask = ATA_PIO4,
hwif->drives[0].autotune = 1;
hwif->drives[1].autotune = 1;
......
......@@ -338,8 +338,10 @@ static int config_drive_for_dma (ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
struct hd_driveid *id = drive->id;
if (drive->media != ide_disk && hwif->atapi_dma == 0)
return 0;
if (drive->media != ide_disk) {
if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
return -1;
}
/*
* Enable DMA on any drive that has
......@@ -726,8 +728,10 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode)
int x, i;
u8 mode = 0;
if (drive->media != ide_disk && hwif->atapi_dma == 0)
return 0;
if (drive->media != ide_disk) {
if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
return 0;
}
for (i = 0; i < ARRAY_SIZE(xfer_mode_bases); i++) {
if (req_mode < xfer_mode_bases[i])
......
......@@ -134,8 +134,6 @@ static void init_hwif_data(ide_hwif_t *hwif, unsigned int index)
hwif->bus_state = BUSSTATE_ON;
hwif->atapi_dma = 0; /* disable all atapi dma */
init_completion(&hwif->gendev_rel_comp);
default_hwif_iops(hwif);
......@@ -379,7 +377,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
hwif->pio_mask = tmp_hwif->pio_mask;
hwif->atapi_dma = tmp_hwif->atapi_dma;
hwif->ultra_mask = tmp_hwif->ultra_mask;
hwif->mwdma_mask = tmp_hwif->mwdma_mask;
hwif->swdma_mask = tmp_hwif->swdma_mask;
......
......@@ -699,9 +699,6 @@ static int au_ide_probe(struct device *dev)
hwif->dma_host_on = &auide_dma_host_on;
hwif->dma_lost_irq = &auide_dma_lost_irq;
hwif->ide_dma_on = &auide_dma_on;
hwif->atapi_dma = 1;
#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
hwif->channel = 0;
hwif->hold = 1;
......
......@@ -247,6 +247,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x07, /* udma0-2 */
},{ /* 1 */
......@@ -256,6 +257,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.init_hwif = init_hwif_aec62xx,
.autodma = NOAUTODMA,
.bootable = OFF_BOARD,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 2 */
......@@ -266,6 +268,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = NEVER_BOARD,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
......@@ -275,6 +278,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.init_hwif = init_hwif_aec62xx,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x3f, /* udma0-5 */
},{ /* 4 */
......@@ -285,6 +289,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x3f, /* udma0-5 */
}
......
......@@ -677,8 +677,8 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
* check in ->init_dma guarantees m5229_revision >= 0x20 here
*/
if (m5229_revision > 0x20)
hwif->atapi_dma = 1;
if (m5229_revision == 0x20)
hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
if (m5229_revision <= 0x20)
hwif->ultra_mask = 0x00; /* no udma */
......
......@@ -260,8 +260,6 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
if (!hwif->dma_base)
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = amd_config->udma_mask;
hwif->mwdma_mask = 0x07;
if ((amd_config->flags & AMD_BAD_SWDMA) == 0)
......
......@@ -183,7 +183,6 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
if (!hwif->dma_base)
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x3f;
hwif->mwdma_mask = 0x07;
......
......@@ -517,7 +517,6 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif)
if (!hwif->dma_base)
return;
hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->ultra_mask = hwif->cds->udma_mask;
......
......@@ -125,6 +125,7 @@ static void __devinit cs5520_init_setup_dma(struct pci_dev *dev, ide_pci_device_
static int cs5520_dma_on(ide_drive_t *drive)
{
/* ATAPI is harder so leave it for now */
drive->vdma = 1;
return 0;
}
......@@ -141,8 +142,6 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
hwif->ide_dma_on = &cs5520_dma_on;
/* ATAPI is harder so leave it for now */
hwif->atapi_dma = 0;
hwif->ultra_mask = 0;
hwif->swdma_mask = 0;
hwif->mwdma_mask = 0;
......@@ -156,7 +155,8 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
.autodma = AUTODMA, \
.bootable = ON_BOARD, \
.host_flags = IDE_HFLAG_ISA_PORTS | \
IDE_HFLAG_VDMA, \
IDE_HFLAG_VDMA | \
IDE_HFLAG_NO_ATAPI_DMA, \
.pio_mask = ATA_PIO4, \
}
......
......@@ -264,7 +264,6 @@ static void __devinit init_hwif_cs5530 (ide_hwif_t *hwif)
if (hwif->dma_base == 0)
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x07;
hwif->mwdma_mask = 0x07;
......
......@@ -185,7 +185,6 @@ static void __devinit init_hwif_cs5535(ide_hwif_t *hwif)
if (hwif->dma_base == 0)
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x1F;
hwif->mwdma_mask = 0x07;
......
......@@ -437,7 +437,6 @@ static void __devinit init_hwif_cy82c693(ide_hwif_t *hwif)
return;
}
hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x04;
hwif->swdma_mask = 0x04;
......
......@@ -69,7 +69,6 @@ static void __devinit init_hwif_generic (ide_hwif_t *hwif)
if (!(hwif->dma_base))
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
......
......@@ -155,6 +155,7 @@ static ide_pci_device_t hpt34x_chipset __devinitdata = {
.autodma = NOAUTODMA,
.bootable = NEVER_BOARD,
.extra = 16,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO5,
};
......
......@@ -1555,6 +1555,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
.bootable = OFF_BOARD,
.extra = 240,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 1 */
.name = "HPT372A",
......@@ -1567,6 +1568,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 2 */
.name = "HPT302",
......@@ -1579,6 +1581,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 3 */
.name = "HPT371",
......@@ -1591,6 +1594,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 4 */
.name = "HPT374",
......@@ -1603,6 +1607,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.udma_mask = ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 5 */
.name = "HPT372N",
......@@ -1615,6 +1620,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
}
};
......
......@@ -176,7 +176,6 @@ static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
if (!hwif->dma_base)
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
......
......@@ -544,12 +544,10 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
ide_set_hwifdata(hwif, idev);
hwif->atapi_dma = 1;
pci_read_config_byte(hwif->pci_dev, 0x50, &conf);
if(conf & 1) {
if (conf & 1) {
idev->smart = 1;
hwif->atapi_dma = 0;
hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
/* Long I/O's although allowed in LBA48 space cause the
onboard firmware to enter the twighlight zone */
hwif->rqsize = 256;
......@@ -570,10 +568,10 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
*/
pci_read_config_byte(hwif->pci_dev, 0x08, &conf);
if(conf == 0x10) {
if (conf == 0x10) {
idev->timing10 = 1;
hwif->atapi_dma = 0;
if(!idev->smart)
hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
if (idev->smart == 0)
printk(KERN_WARNING "it821x: Revision 0x10, workarounds activated.\n");
}
......
......@@ -117,7 +117,6 @@ static void __devinit init_hwif_jmicron(ide_hwif_t *hwif)
if (hwif->dma_base == 0)
return;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
......
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