static void vsc_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) { struct ata_ioports *ioaddr = &ap->ioaddr; unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; if ((tf->ctl & ATA_NIEN) != (ap->last_ctl & ATA_NIEN)) { ap->last_ctl = tf->ctl; vsc_intr_mask_update(ap, tf->ctl & ATA_NIEN); } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { writew(tf->feature | (((u16)tf->hob_feature) << 8), ioaddr->feature_addr); writew(tf->nsect | (((u16)tf->hob_nsect) << 8), ioaddr->nsect_addr); writew(tf->lbal | (((u16)tf->hob_lbal) << 8), ioaddr->lbal_addr); writew(tf->lbam | (((u16)tf->hob_lbam) << 8), ioaddr->lbam_addr); writew(tf->lbah | (((u16)tf->hob_lbah) << 8), ioaddr->lbah_addr); } else if (is_addr) { writew(tf->feature, ioaddr->feature_addr); writew(tf->nsect, ioaddr->nsect_addr); writew(tf->lbal, ioaddr->lbal_addr); writew(tf->lbam, ioaddr->lbam_addr); writew(tf->lbah, ioaddr->lbah_addr); } if (tf->flags & ATA_TFLAG_DEVICE) writeb(tf->device, ioaddr->device_addr); ata_wait_idle(ap); }
static void vsc_sata_tf_load(struct ata_port *ap, struct ata_taskfile *tf) { struct ata_ioports *ioaddr = &ap->ioaddr; unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; /* * The only thing the ctl register is used for is SRST. * That is not enabled or disabled via tf_load. * However, if ATA_NIEN is changed, then we need to change the interrupt register. */ if ((tf->ctl & ATA_NIEN) != (ap->last_ctl & ATA_NIEN)) { ap->last_ctl = tf->ctl; vsc_intr_mask_update(ap, tf->ctl & ATA_NIEN); } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { writew(tf->feature | (((u16)tf->hob_feature) << 8), ioaddr->feature_addr); writew(tf->nsect | (((u16)tf->hob_nsect) << 8), ioaddr->nsect_addr); writew(tf->lbal | (((u16)tf->hob_lbal) << 8), ioaddr->lbal_addr); writew(tf->lbam | (((u16)tf->hob_lbam) << 8), ioaddr->lbam_addr); writew(tf->lbah | (((u16)tf->hob_lbah) << 8), ioaddr->lbah_addr); } else if (is_addr) { writew(tf->feature, ioaddr->feature_addr); writew(tf->nsect, ioaddr->nsect_addr); writew(tf->lbal, ioaddr->lbal_addr); writew(tf->lbam, ioaddr->lbam_addr); writew(tf->lbah, ioaddr->lbah_addr); } if (tf->flags & ATA_TFLAG_DEVICE) writeb(tf->device, ioaddr->device_addr); ata_wait_idle(ap); }