/* qlogicpti.c: Performance Technologies QlogicISP sbus card driver.
*
- * Copyright (C) 1996, 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996, 2006, 2008 David S. Miller (davem@davemloft.net)
*
* A lot of this driver was directly stolen from Erik H. Moe's PCI
* Qlogic ISP driver. Mucho kudos to him for this code.
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/jiffies.h>
+#include <linux/dma-mapping.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/firmware.h>
#include <asm/byteorder.h>
#include "qlogicpti.h"
-#include <asm/sbus.h>
#include <asm/dma.h>
#include <asm/system.h>
#include <asm/ptrace.h>
#define DEFAULT_LOOP_COUNT 10000
-#include "qlogicpti_asm.c"
-
static struct qlogicpti *qptichain = NULL;
static DEFINE_SPINLOCK(qptichain_lock);
* is a nop and the chip ends up using the smallest burst
* size. -DaveM
*/
- if (sbus_can_burst64(qpti->sdev) && (bursts & DMA_BURST64)) {
+ if (sbus_can_burst64() && (bursts & DMA_BURST64)) {
val = (SBUS_CFG1_BENAB | SBUS_CFG1_B64);
} else
#endif
static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti)
{
+ const struct firmware *fw;
+ const char fwname[] = "qlogic/isp1000.bin";
+ const __le16 *fw_data;
struct Scsi_Host *host = qpti->qhost;
unsigned short csum = 0;
unsigned short param[6];
- unsigned short *risc_code, risc_code_addr, risc_code_length;
+ unsigned short risc_code_addr, risc_code_length;
+ int err;
unsigned long flags;
int i, timeout;
- risc_code = &sbus_risc_code01[0];
+ err = request_firmware(&fw, fwname, &qpti->op->dev);
+ if (err) {
+ printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
+ fwname, err);
+ return err;
+ }
+ if (fw->size % 2) {
+ printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
+ fw->size, fwname);
+ err = -EINVAL;
+ goto outfirm;
+ }
+ fw_data = (const __le16 *)&fw->data[0];
risc_code_addr = 0x1000; /* all f/w modules load at 0x1000 */
- risc_code_length = sbus_risc_code_length01;
+ risc_code_length = fw->size / 2;
spin_lock_irqsave(host->host_lock, flags);
* afterwards via the mailbox commands.
*/
for (i = 0; i < risc_code_length; i++)
- csum += risc_code[i];
+ csum += __le16_to_cpu(fw_data[i]);
if (csum) {
- spin_unlock_irqrestore(host->host_lock, flags);
printk(KERN_EMERG "qlogicpti%d: Aieee, firmware checksum failed!",
qpti->qpti_id);
- return 1;
+ err = 1;
+ goto out;
}
sbus_writew(SBUS_CTRL_RESET, qpti->qregs + SBUS_CTRL);
sbus_writew((DMA_CTRL_CCLEAR | DMA_CTRL_CIRQ), qpti->qregs + CMD_DMA_CTRL);
while (--timeout && (sbus_readw(qpti->qregs + SBUS_CTRL) & SBUS_CTRL_RESET))
udelay(20);
if (!timeout) {
- spin_unlock_irqrestore(host->host_lock, flags);
printk(KERN_EMERG "qlogicpti%d: Cannot reset the ISP.", qpti->qpti_id);
- return 1;
+ err = 1;
+ goto out;
}
sbus_writew(HCCTRL_RESET, qpti->qregs + HCCTRL);
if (qlogicpti_mbox_command(qpti, param, 1)) {
printk(KERN_EMERG "qlogicpti%d: Cannot stop firmware for reload.\n",
qpti->qpti_id);
- spin_unlock_irqrestore(host->host_lock, flags);
- return 1;
+ err = 1;
+ goto out;
}
/* Load it up.. */
for (i = 0; i < risc_code_length; i++) {
param[0] = MBOX_WRITE_RAM_WORD;
param[1] = risc_code_addr + i;
- param[2] = risc_code[i];
+ param[2] = __le16_to_cpu(fw_data[i]);
if (qlogicpti_mbox_command(qpti, param, 1) ||
param[0] != MBOX_COMMAND_COMPLETE) {
printk("qlogicpti%d: Firmware dload failed, I'm bolixed!\n",
qpti->qpti_id);
- spin_unlock_irqrestore(host->host_lock, flags);
- return 1;
+ err = 1;
+ goto out;
}
}
(param[0] != MBOX_COMMAND_COMPLETE)) {
printk(KERN_EMERG "qlogicpti%d: New firmware csum failure!\n",
qpti->qpti_id);
- spin_unlock_irqrestore(host->host_lock, flags);
- return 1;
+ err = 1;
+ goto out;
}
/* Start using newly downloaded firmware. */
(param[0] != MBOX_COMMAND_COMPLETE)) {
printk(KERN_EMERG "qlogicpti%d: AboutFirmware cmd fails.\n",
qpti->qpti_id);
- spin_unlock_irqrestore(host->host_lock, flags);
- return 1;
+ err = 1;
+ goto out;
}
/* Snag the major and minor revisions from the result. */
(param[0] != MBOX_COMMAND_COMPLETE)) {
printk(KERN_EMERG "qlogicpti%d: could not set clock rate.\n",
qpti->qpti_id);
- spin_unlock_irqrestore(host->host_lock, flags);
- return 1;
+ err = 1;
+ goto out;
}
if (qpti->is_pti != 0) {
qlogicpti_mbox_command(qpti, param, 1);
}
+out:
spin_unlock_irqrestore(host->host_lock, flags);
- return 0;
+outfirm:
+ release_firmware(fw);
+ return err;
}
static int qlogicpti_verify_tmon(struct qlogicpti *qpti)
static int __devinit qpti_map_regs(struct qlogicpti *qpti)
{
- struct sbus_dev *sdev = qpti->sdev;
+ struct of_device *op = qpti->op;
- qpti->qregs = sbus_ioremap(&sdev->resource[0], 0,
- sdev->reg_addrs[0].reg_size,
- "PTI Qlogic/ISP");
+ qpti->qregs = of_ioremap(&op->resource[0], 0,
+ resource_size(&op->resource[0]),
+ "PTI Qlogic/ISP");
if (!qpti->qregs) {
printk("PTI: Qlogic/ISP registers are unmappable\n");
return -1;
}
if (qpti->is_pti) {
- qpti->sreg = sbus_ioremap(&sdev->resource[0], (16 * 4096),
- sizeof(unsigned char),
- "PTI Qlogic/ISP statreg");
+ qpti->sreg = of_ioremap(&op->resource[0], (16 * 4096),
+ sizeof(unsigned char),
+ "PTI Qlogic/ISP statreg");
if (!qpti->sreg) {
printk("PTI: Qlogic/ISP status register is unmappable\n");
return -1;
static int __devinit qpti_register_irq(struct qlogicpti *qpti)
{
- struct sbus_dev *sdev = qpti->sdev;
+ struct of_device *op = qpti->op;
- qpti->qhost->irq = qpti->irq = sdev->irqs[0];
+ qpti->qhost->irq = qpti->irq = op->irqs[0];
/* We used to try various overly-clever things to
* reduce the interrupt processing overhead on
static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti)
{
- qpti->scsi_id = prom_getintdefault(qpti->prom_node,
- "initiator-id",
- -1);
+ struct of_device *op = qpti->op;
+ struct device_node *dp;
+
+ dp = op->node;
+
+ qpti->scsi_id = of_getintprop_default(dp, "initiator-id", -1);
if (qpti->scsi_id == -1)
- qpti->scsi_id = prom_getintdefault(qpti->prom_node,
- "scsi-initiator-id",
- -1);
+ qpti->scsi_id = of_getintprop_default(dp, "scsi-initiator-id",
+ -1);
if (qpti->scsi_id == -1)
qpti->scsi_id =
- prom_getintdefault(qpti->sdev->bus->prom_node,
- "scsi-initiator-id", 7);
+ of_getintprop_default(dp->parent,
+ "scsi-initiator-id", 7);
qpti->qhost->this_id = qpti->scsi_id;
qpti->qhost->max_sectors = 64;
static void qpti_get_bursts(struct qlogicpti *qpti)
{
- struct sbus_dev *sdev = qpti->sdev;
+ struct of_device *op = qpti->op;
u8 bursts, bmask;
- bursts = prom_getintdefault(qpti->prom_node, "burst-sizes", 0xff);
- bmask = prom_getintdefault(sdev->bus->prom_node,
- "burst-sizes", 0xff);
+ bursts = of_getintprop_default(op->node, "burst-sizes", 0xff);
+ bmask = of_getintprop_default(op->node->parent, "burst-sizes", 0xff);
if (bmask != 0xff)
bursts &= bmask;
if (bursts == 0xff ||
*/
static int __devinit qpti_map_queues(struct qlogicpti *qpti)
{
- struct sbus_dev *sdev = qpti->sdev;
+ struct of_device *op = qpti->op;
#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
- qpti->res_cpu = sbus_alloc_consistent(sdev,
- QSIZE(RES_QUEUE_LEN),
- &qpti->res_dvma);
+ qpti->res_cpu = dma_alloc_coherent(&op->dev,
+ QSIZE(RES_QUEUE_LEN),
+ &qpti->res_dvma, GFP_ATOMIC);
if (qpti->res_cpu == NULL ||
qpti->res_dvma == 0) {
printk("QPTI: Cannot map response queue.\n");
return -1;
}
- qpti->req_cpu = sbus_alloc_consistent(sdev,
- QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
- &qpti->req_dvma);
+ qpti->req_cpu = dma_alloc_coherent(&op->dev,
+ QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
+ &qpti->req_dvma, GFP_ATOMIC);
if (qpti->req_cpu == NULL ||
qpti->req_dvma == 0) {
- sbus_free_consistent(sdev, QSIZE(RES_QUEUE_LEN),
- qpti->res_cpu, qpti->res_dvma);
+ dma_free_coherent(&op->dev, QSIZE(RES_QUEUE_LEN),
+ qpti->res_cpu, qpti->res_dvma);
printk("QPTI: Cannot map request queue.\n");
return -1;
}
int sg_count;
sg = scsi_sglist(Cmnd);
- sg_count = sbus_map_sg(qpti->sdev, sg, scsi_sg_count(Cmnd),
- Cmnd->sc_data_direction);
+ sg_count = dma_map_sg(&qpti->op->dev, sg,
+ scsi_sg_count(Cmnd),
+ Cmnd->sc_data_direction);
ds = cmd->dataseg;
cmd->segment_cnt = sg_count;
Cmnd->result = DID_ERROR << 16;
if (scsi_bufflen(Cmnd))
- sbus_unmap_sg(qpti->sdev,
- scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
- Cmnd->sc_data_direction);
+ dma_unmap_sg(&qpti->op->dev,
+ scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
+ Cmnd->sc_data_direction);
qpti->cmd_count[Cmnd->device->id]--;
sbus_writew(out_ptr, qpti->qregs + MBOX5);
.use_clustering = ENABLE_CLUSTERING,
};
-static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit qpti_sbus_probe(struct of_device *op, const struct of_device_id *match)
{
- static int nqptis;
- struct sbus_dev *sdev = to_sbus_device(&dev->dev);
- struct device_node *dp = dev->node;
struct scsi_host_template *tpnt = match->data;
+ struct device_node *dp = op->node;
struct Scsi_Host *host;
struct qlogicpti *qpti;
+ static int nqptis;
const char *fcode;
/* Sometimes Antares cards come up not completely
* setup, and we get a report of a zero IRQ.
*/
- if (sdev->irqs[0] == 0)
+ if (op->irqs[0] == 0)
return -ENODEV;
host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti));
if (!host)
return -ENOMEM;
- qpti = (struct qlogicpti *) host->hostdata;
+ qpti = shost_priv(host);
host->max_id = MAX_TARGETS;
qpti->qhost = host;
- qpti->sdev = sdev;
+ qpti->op = op;
qpti->qpti_id = nqptis;
- qpti->prom_node = sdev->prom_node;
- strcpy(qpti->prom_name, sdev->ofdev.node->name);
+ strcpy(qpti->prom_name, op->node->name);
qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp");
if (qpti_map_regs(qpti) < 0)
(qpti->ultra ? "Ultra" : "Fast"),
(qpti->differential ? "differential" : "single ended"));
- if (scsi_add_host(host, &dev->dev)) {
+ if (scsi_add_host(host, &op->dev)) {
printk("qlogicpti%d: Failed scsi_add_host\n", qpti->qpti_id);
goto fail_unmap_queues;
}
- dev_set_drvdata(&sdev->ofdev.dev, qpti);
+ dev_set_drvdata(&op->dev, qpti);
qpti_chain_add(qpti);
fail_unmap_queues:
#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
- sbus_free_consistent(qpti->sdev,
- QSIZE(RES_QUEUE_LEN),
- qpti->res_cpu, qpti->res_dvma);
- sbus_free_consistent(qpti->sdev,
- QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
- qpti->req_cpu, qpti->req_dvma);
+ dma_free_coherent(&op->dev,
+ QSIZE(RES_QUEUE_LEN),
+ qpti->res_cpu, qpti->res_dvma);
+ dma_free_coherent(&op->dev,
+ QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
+ qpti->req_cpu, qpti->req_dvma);
#undef QSIZE
fail_unmap_regs:
- sbus_iounmap(qpti->qregs,
- qpti->sdev->reg_addrs[0].reg_size);
+ of_iounmap(&op->resource[0], qpti->qregs,
+ resource_size(&op->resource[0]));
if (qpti->is_pti)
- sbus_iounmap(qpti->sreg, sizeof(unsigned char));
+ of_iounmap(&op->resource[0], qpti->sreg,
+ sizeof(unsigned char));
fail_free_irq:
free_irq(qpti->irq, qpti);
return -ENODEV;
}
-static int __devexit qpti_sbus_remove(struct of_device *dev)
+static int __devexit qpti_sbus_remove(struct of_device *op)
{
- struct qlogicpti *qpti = dev_get_drvdata(&dev->dev);
+ struct qlogicpti *qpti = dev_get_drvdata(&op->dev);
qpti_chain_del(qpti);
free_irq(qpti->irq, qpti);
#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
- sbus_free_consistent(qpti->sdev,
- QSIZE(RES_QUEUE_LEN),
- qpti->res_cpu, qpti->res_dvma);
- sbus_free_consistent(qpti->sdev,
- QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
- qpti->req_cpu, qpti->req_dvma);
+ dma_free_coherent(&op->dev,
+ QSIZE(RES_QUEUE_LEN),
+ qpti->res_cpu, qpti->res_dvma);
+ dma_free_coherent(&op->dev,
+ QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
+ qpti->req_cpu, qpti->req_dvma);
#undef QSIZE
- sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size);
+ of_iounmap(&op->resource[0], qpti->qregs,
+ resource_size(&op->resource[0]));
if (qpti->is_pti)
- sbus_iounmap(qpti->sreg, sizeof(unsigned char));
+ of_iounmap(&op->resource[0], qpti->sreg, sizeof(unsigned char));
scsi_host_put(qpti->qhost);
return 0;
}
-static struct of_device_id qpti_match[] = {
+static const struct of_device_id qpti_match[] = {
{
.name = "ptisp",
.data = &qpti_template,
static int __init qpti_init(void)
{
- return of_register_driver(&qpti_sbus_driver, &sbus_bus_type);
+ return of_register_driver(&qpti_sbus_driver, &of_bus_type);
}
static void __exit qpti_exit(void)
MODULE_DESCRIPTION("QlogicISP SBUS driver");
MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
MODULE_LICENSE("GPL");
-MODULE_VERSION("2.0");
+MODULE_VERSION("2.1");
+MODULE_FIRMWARE("qlogic/isp1000.bin");
module_init(qpti_init);
module_exit(qpti_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff