-
-/*----------------------------------------------------------------------------
- * STAGING
- *--------------------------------------------------------------------------*/
-
-#if 0
-/*
- * Direct Mode DMA transfer
- *
- * XXX Not looking at direct mode for now, we can always use link list mode
- * with a single entry.
- */
-int tsi148_dma_run(struct vme_dma_resource *resource, struct vme_dma_attr src,
- struct vme_dma_attr dest, size_t count)
-{
- u32 dctlreg = 0;
- unsigned int tmp;
- int val;
- int channel, x;
- struct vmeDmaPacket *cur_dma;
- struct tsi148_dma_descriptor *dmaLL;
-
- /* direct mode */
- dctlreg = 0x800000;
-
- for (x = 0; x < 8; x++) { /* vme block size */
- if ((32 << x) >= vmeDma->maxVmeBlockSize) {
- break;
- }
- }
- if (x == 8)
- x = 7;
- dctlreg |= (x << 12);
-
- for (x = 0; x < 8; x++) { /* pci block size */
- if ((32 << x) >= vmeDma->maxPciBlockSize) {
- break;
- }
- }
- if (x == 8)
- x = 7;
- dctlreg |= (x << 4);
-
- if (vmeDma->vmeBackOffTimer) {
- for (x = 1; x < 8; x++) { /* vme timer */
- if ((1 << (x - 1)) >= vmeDma->vmeBackOffTimer) {
- break;
- }
- }
- if (x == 8)
- x = 7;
- dctlreg |= (x << 8);
- }
-
- if (vmeDma->pciBackOffTimer) {
- for (x = 1; x < 8; x++) { /* pci timer */
- if ((1 << (x - 1)) >= vmeDma->pciBackOffTimer) {
- break;
- }
- }
- if (x == 8)
- x = 7;
- dctlreg |= (x << 0);
- }
-
- /* Program registers for DMA transfer */
- iowrite32be(dmaLL->dsau, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAU);
- iowrite32be(dmaLL->dsal, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAL);
- iowrite32be(dmaLL->ddau, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAU);
- iowrite32be(dmaLL->ddal, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAL);
- iowrite32be(dmaLL->dsat, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAT);
- iowrite32be(dmaLL->ddat, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAT);
- iowrite32be(dmaLL->dcnt, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCNT);
- iowrite32be(dmaLL->ddbs, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDBS);
-
- /* Start the operation */
- iowrite32be(dctlreg | 0x2000000, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCTL);
-
- tmp = ioread32be(tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSTA);
- wait_event_interruptible(dma_queue[channel], (tmp & 0x1000000) == 0);
-
- /*
- * Read status register, we should probably do this in some error
- * handler rather than here so that we can be sure we haven't kicked off
- * another DMA transfer.
- */
- val = ioread32be(tsi148_bridge->driver_priv->base +
- TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSTA);
-
- vmeDma->vmeDmaStatus = 0;
- if (val & 0x10000000) {
- printk(KERN_ERR
- "DMA Error in DMA_tempe_irqhandler DSTA=%08X\n",
- val);
- vmeDma->vmeDmaStatus = val;
-
- }
- return (0);
-}
-#endif
-
-#if 0
-
-/* Global VME controller information */
-struct pci_dev *vme_pci_dev;
-
-/*
- * Set the VME bus arbiter with the requested attributes
- */
-int tempe_set_arbiter(vmeArbiterCfg_t * vmeArb)
-{
- int temp_ctl = 0;
- int gto = 0;
-
- temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
- TSI148_LCSR_VCTRL);
- temp_ctl &= 0xFFEFFF00;
-
- if (vmeArb->globalTimeoutTimer == 0xFFFFFFFF) {
- gto = 8;
- } else if (vmeArb->globalTimeoutTimer > 2048) {
- return (-EINVAL);
- } else if (vmeArb->globalTimeoutTimer == 0) {
- gto = 0;
- } else {
- gto = 1;
- while ((16 * (1 << (gto - 1))) < vmeArb->globalTimeoutTimer) {
- gto += 1;
- }
- }
- temp_ctl |= gto;
-
- if (vmeArb->arbiterMode != VME_PRIORITY_MODE) {
- temp_ctl |= 1 << 6;
- }
-
- if (vmeArb->arbiterTimeoutFlag) {
- temp_ctl |= 1 << 7;
- }
-
- if (vmeArb->noEarlyReleaseFlag) {
- temp_ctl |= 1 << 20;
- }
- iowrite32be(temp_ctl, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_VCTRL);
-
- return (0);
-}
-
-/*
- * Return the attributes of the VME bus arbiter.
- */
-int tempe_get_arbiter(vmeArbiterCfg_t * vmeArb)
-{
- int temp_ctl = 0;
- int gto = 0;
-
-
- temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
- TSI148_LCSR_VCTRL);
-
- gto = temp_ctl & 0xF;
- if (gto != 0) {
- vmeArb->globalTimeoutTimer = (16 * (1 << (gto - 1)));
- }
-
- if (temp_ctl & (1 << 6)) {
- vmeArb->arbiterMode = VME_R_ROBIN_MODE;
- } else {
- vmeArb->arbiterMode = VME_PRIORITY_MODE;
- }
-
- if (temp_ctl & (1 << 7)) {
- vmeArb->arbiterTimeoutFlag = 1;
- }
-
- if (temp_ctl & (1 << 20)) {
- vmeArb->noEarlyReleaseFlag = 1;
- }
-
- return (0);
-}
-
-/*
- * Set the VME bus requestor with the requested attributes
- */
-int tempe_set_requestor(vmeRequesterCfg_t * vmeReq)
-{
- int temp_ctl = 0;
-
- temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
- TSI148_LCSR_VMCTRL);
- temp_ctl &= 0xFFFF0000;
-
- if (vmeReq->releaseMode == 1) {
- temp_ctl |= (1 << 3);
- }
-
- if (vmeReq->fairMode == 1) {
- temp_ctl |= (1 << 2);
- }
-
- temp_ctl |= (vmeReq->timeonTimeoutTimer & 7) << 8;
- temp_ctl |= (vmeReq->timeoffTimeoutTimer & 7) << 12;
- temp_ctl |= vmeReq->requestLevel;
-
- iowrite32be(temp_ctl, tsi148_bridge->driver_priv->base +
- TSI148_LCSR_VMCTRL);
- return (0);
-}
-
-/*
- * Return the attributes of the VME bus requestor
- */
-int tempe_get_requestor(vmeRequesterCfg_t * vmeReq)
-{
- int temp_ctl = 0;
-
- temp_ctl = ioread32be(tsi148_bridge->driver_priv->base +
- TSI148_LCSR_VMCTRL);
-
- if (temp_ctl & 0x18) {
- vmeReq->releaseMode = 1;
- }
-
- if (temp_ctl & (1 << 2)) {
- vmeReq->fairMode = 1;
- }
-
- vmeReq->requestLevel = temp_ctl & 3;
- vmeReq->timeonTimeoutTimer = (temp_ctl >> 8) & 7;
- vmeReq->timeoffTimeoutTimer = (temp_ctl >> 12) & 7;
-
- return (0);
-}
-
-
-#endif