mirror of https://gitee.com/openkylin/linux.git
qlogicpti: Convert to pure OF driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
05bb5e93f2
commit
5dc2536bb8
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@ -1,6 +1,6 @@
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/* qlogicpti.c: Performance Technologies QlogicISP sbus card driver.
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*
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* Copyright (C) 1996, 2006 David S. Miller (davem@davemloft.net)
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* Copyright (C) 1996, 2006, 2008 David S. Miller (davem@davemloft.net)
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*
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* A lot of this driver was directly stolen from Erik H. Moe's PCI
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* Qlogic ISP driver. Mucho kudos to him for this code.
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@ -26,12 +26,13 @@
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#include <linux/module.h>
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#include <linux/jiffies.h>
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#include <linux/dma-mapping.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <asm/byteorder.h>
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#include "qlogicpti.h"
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#include <asm/sbus.h>
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#include <asm/dma.h>
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#include <asm/system.h>
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#include <asm/ptrace.h>
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@ -685,19 +686,19 @@ static void __devexit qpti_chain_del(struct qlogicpti *qpti)
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static int __devinit qpti_map_regs(struct qlogicpti *qpti)
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{
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struct sbus_dev *sdev = qpti->sdev;
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struct of_device *op = qpti->op;
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qpti->qregs = sbus_ioremap(&sdev->resource[0], 0,
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sdev->reg_addrs[0].reg_size,
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"PTI Qlogic/ISP");
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qpti->qregs = of_ioremap(&op->resource[0], 0,
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resource_size(&op->resource[0]),
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"PTI Qlogic/ISP");
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if (!qpti->qregs) {
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printk("PTI: Qlogic/ISP registers are unmappable\n");
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return -1;
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}
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if (qpti->is_pti) {
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qpti->sreg = sbus_ioremap(&sdev->resource[0], (16 * 4096),
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sizeof(unsigned char),
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"PTI Qlogic/ISP statreg");
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qpti->sreg = of_ioremap(&op->resource[0], (16 * 4096),
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sizeof(unsigned char),
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"PTI Qlogic/ISP statreg");
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if (!qpti->sreg) {
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printk("PTI: Qlogic/ISP status register is unmappable\n");
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return -1;
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@ -708,9 +709,9 @@ static int __devinit qpti_map_regs(struct qlogicpti *qpti)
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static int __devinit qpti_register_irq(struct qlogicpti *qpti)
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{
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struct sbus_dev *sdev = qpti->sdev;
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struct of_device *op = qpti->op;
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qpti->qhost->irq = qpti->irq = sdev->irqs[0];
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qpti->qhost->irq = qpti->irq = op->irqs[0];
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/* We used to try various overly-clever things to
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* reduce the interrupt processing overhead on
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@ -733,17 +734,19 @@ static int __devinit qpti_register_irq(struct qlogicpti *qpti)
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static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti)
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{
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qpti->scsi_id = prom_getintdefault(qpti->prom_node,
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"initiator-id",
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-1);
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struct of_device *op = qpti->op;
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struct device_node *dp;
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dp = op->node;
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qpti->scsi_id = of_getintprop_default(dp, "initiator-id", -1);
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if (qpti->scsi_id == -1)
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qpti->scsi_id = prom_getintdefault(qpti->prom_node,
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"scsi-initiator-id",
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-1);
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qpti->scsi_id = of_getintprop_default(dp, "scsi-initiator-id",
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-1);
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if (qpti->scsi_id == -1)
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qpti->scsi_id =
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prom_getintdefault(qpti->sdev->bus->prom_node,
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"scsi-initiator-id", 7);
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of_getintprop_default(dp->parent,
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"scsi-initiator-id", 7);
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qpti->qhost->this_id = qpti->scsi_id;
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qpti->qhost->max_sectors = 64;
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@ -752,12 +755,11 @@ static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti)
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static void qpti_get_bursts(struct qlogicpti *qpti)
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{
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struct sbus_dev *sdev = qpti->sdev;
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struct of_device *op = qpti->op;
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u8 bursts, bmask;
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bursts = prom_getintdefault(qpti->prom_node, "burst-sizes", 0xff);
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bmask = prom_getintdefault(sdev->bus->prom_node,
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"burst-sizes", 0xff);
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bursts = of_getintprop_default(op->node, "burst-sizes", 0xff);
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bmask = of_getintprop_default(op->node->parent, "burst-sizes", 0xff);
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if (bmask != 0xff)
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bursts &= bmask;
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if (bursts == 0xff ||
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@ -786,10 +788,10 @@ static void qpti_get_clock(struct qlogicpti *qpti)
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*/
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static int __devinit qpti_map_queues(struct qlogicpti *qpti)
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{
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struct sbus_dev *sdev = qpti->sdev;
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struct of_device *op = qpti->op;
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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qpti->res_cpu = dma_alloc_coherent(&sdev->ofdev.dev,
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qpti->res_cpu = dma_alloc_coherent(&op->dev,
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QSIZE(RES_QUEUE_LEN),
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&qpti->res_dvma, GFP_ATOMIC);
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if (qpti->res_cpu == NULL ||
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@ -798,12 +800,12 @@ static int __devinit qpti_map_queues(struct qlogicpti *qpti)
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return -1;
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}
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qpti->req_cpu = dma_alloc_coherent(&sdev->ofdev.dev,
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qpti->req_cpu = dma_alloc_coherent(&op->dev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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&qpti->req_dvma, GFP_ATOMIC);
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if (qpti->req_cpu == NULL ||
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qpti->req_dvma == 0) {
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dma_free_coherent(&sdev->ofdev.dev, QSIZE(RES_QUEUE_LEN),
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dma_free_coherent(&op->dev, QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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printk("QPTI: Cannot map request queue.\n");
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return -1;
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@ -876,7 +878,7 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
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int sg_count;
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sg = scsi_sglist(Cmnd);
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sg_count = dma_map_sg(&qpti->sdev->ofdev.dev, sg,
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sg_count = dma_map_sg(&qpti->op->dev, sg,
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scsi_sg_count(Cmnd),
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Cmnd->sc_data_direction);
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@ -1153,7 +1155,7 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti)
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Cmnd->result = DID_ERROR << 16;
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if (scsi_bufflen(Cmnd))
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dma_unmap_sg(&qpti->sdev->ofdev.dev,
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dma_unmap_sg(&qpti->op->dev,
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scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
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Cmnd->sc_data_direction);
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@ -1269,34 +1271,32 @@ static struct scsi_host_template qpti_template = {
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.use_clustering = ENABLE_CLUSTERING,
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};
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static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_device_id *match)
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static int __devinit qpti_sbus_probe(struct of_device *op, const struct of_device_id *match)
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{
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static int nqptis;
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struct sbus_dev *sdev = to_sbus_device(&dev->dev);
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struct device_node *dp = dev->node;
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struct scsi_host_template *tpnt = match->data;
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struct device_node *dp = op->node;
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struct Scsi_Host *host;
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struct qlogicpti *qpti;
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static int nqptis;
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const char *fcode;
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/* Sometimes Antares cards come up not completely
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* setup, and we get a report of a zero IRQ.
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*/
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if (sdev->irqs[0] == 0)
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if (op->irqs[0] == 0)
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return -ENODEV;
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host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti));
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if (!host)
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return -ENOMEM;
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qpti = (struct qlogicpti *) host->hostdata;
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qpti = shost_priv(host);
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host->max_id = MAX_TARGETS;
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qpti->qhost = host;
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qpti->sdev = sdev;
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qpti->op = op;
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qpti->qpti_id = nqptis;
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qpti->prom_node = sdev->prom_node;
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strcpy(qpti->prom_name, sdev->ofdev.node->name);
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strcpy(qpti->prom_name, op->node->name);
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qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp");
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if (qpti_map_regs(qpti) < 0)
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@ -1342,12 +1342,12 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi
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(qpti->ultra ? "Ultra" : "Fast"),
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(qpti->differential ? "differential" : "single ended"));
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if (scsi_add_host(host, &dev->dev)) {
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if (scsi_add_host(host, &op->dev)) {
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printk("qlogicpti%d: Failed scsi_add_host\n", qpti->qpti_id);
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goto fail_unmap_queues;
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}
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dev_set_drvdata(&sdev->ofdev.dev, qpti);
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dev_set_drvdata(&op->dev, qpti);
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qpti_chain_add(qpti);
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@ -1358,19 +1358,20 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi
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fail_unmap_queues:
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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dma_free_coherent(&qpti->sdev->ofdev.dev,
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dma_free_coherent(&op->dev,
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QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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dma_free_coherent(&qpti->sdev->ofdev.dev,
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dma_free_coherent(&op->dev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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qpti->req_cpu, qpti->req_dvma);
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#undef QSIZE
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fail_unmap_regs:
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sbus_iounmap(qpti->qregs,
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qpti->sdev->reg_addrs[0].reg_size);
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of_iounmap(&op->resource[0], qpti->qregs,
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resource_size(&op->resource[0]));
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if (qpti->is_pti)
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sbus_iounmap(qpti->sreg, sizeof(unsigned char));
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of_iounmap(&op->resource[0], qpti->sreg,
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sizeof(unsigned char));
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fail_free_irq:
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free_irq(qpti->irq, qpti);
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@ -1381,9 +1382,9 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi
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return -ENODEV;
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}
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static int __devexit qpti_sbus_remove(struct of_device *dev)
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static int __devexit qpti_sbus_remove(struct of_device *op)
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{
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struct qlogicpti *qpti = dev_get_drvdata(&dev->dev);
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struct qlogicpti *qpti = dev_get_drvdata(&op->dev);
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qpti_chain_del(qpti);
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@ -1396,17 +1397,18 @@ static int __devexit qpti_sbus_remove(struct of_device *dev)
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free_irq(qpti->irq, qpti);
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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dma_free_coherent(&qpti->sdev->ofdev.dev,
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dma_free_coherent(&op->dev,
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QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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dma_free_coherent(&qpti->sdev->ofdev.dev,
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dma_free_coherent(&op->dev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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qpti->req_cpu, qpti->req_dvma);
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#undef QSIZE
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sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size);
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of_iounmap(&op->resource[0], qpti->qregs,
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resource_size(&op->resource[0]));
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if (qpti->is_pti)
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sbus_iounmap(qpti->sreg, sizeof(unsigned char));
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of_iounmap(&op->resource[0], qpti->sreg, sizeof(unsigned char));
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scsi_host_put(qpti->qhost);
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@ -1443,7 +1445,7 @@ static struct of_platform_driver qpti_sbus_driver = {
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static int __init qpti_init(void)
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{
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return of_register_driver(&qpti_sbus_driver, &sbus_bus_type);
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return of_register_driver(&qpti_sbus_driver, &of_bus_type);
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}
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static void __exit qpti_exit(void)
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@ -1454,7 +1456,7 @@ static void __exit qpti_exit(void)
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MODULE_DESCRIPTION("QlogicISP SBUS driver");
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MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
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MODULE_LICENSE("GPL");
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MODULE_VERSION("2.0");
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MODULE_VERSION("2.1");
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module_init(qpti_init);
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module_exit(qpti_exit);
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@ -342,7 +342,7 @@ struct qlogicpti {
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u_int req_in_ptr; /* index of next request slot */
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u_int res_out_ptr; /* index of next result slot */
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long send_marker; /* must we send a marker? */
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struct sbus_dev *sdev;
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struct of_device *op;
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unsigned long __pad;
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int cmd_count[MAX_TARGETS];
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