diff options
Diffstat (limited to 'drivers/scsi/qlogicpti.c')
| -rw-r--r-- | drivers/scsi/qlogicpti.c | 256 |
1 files changed, 140 insertions, 116 deletions
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 4a1cf6377f6..6d48d30bed0 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1,6 +1,6 @@ /* 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. @@ -16,7 +16,7 @@ #include <linux/delay.h> #include <linux/types.h> #include <linux/string.h> -#include <linux/slab.h> +#include <linux/gfp.h> #include <linux/blkdev.h> #include <linux/proc_fs.h> #include <linux/stat.h> @@ -25,14 +25,16 @@ #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> #include <asm/pgtable.h> #include <asm/oplib.h> @@ -51,8 +53,6 @@ #define DEFAULT_LOOP_COUNT 10000 -#include "qlogicpti_asm.c" - static struct qlogicpti *qptichain = NULL; static DEFINE_SPINLOCK(qptichain_lock); @@ -157,7 +157,7 @@ static inline void set_sbus_cfg1(struct qlogicpti *qpti) * 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 @@ -461,18 +461,34 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host) #define PTI_RESET_LIMIT 400 -static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) +static int 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); @@ -480,12 +496,12 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) * 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); @@ -494,9 +510,9 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) 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); @@ -534,21 +550,21 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) 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; } } @@ -567,8 +583,8 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) (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. */ @@ -581,8 +597,8 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) (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. */ @@ -597,8 +613,8 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) (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) { @@ -614,8 +630,11 @@ static int __devinit qlogicpti_load_firmware(struct qlogicpti *qpti) 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) @@ -651,7 +670,7 @@ static int qlogicpti_verify_tmon(struct qlogicpti *qpti) static irqreturn_t qpti_intr(int irq, void *dev_id); -static void __devinit qpti_chain_add(struct qlogicpti *qpti) +static void qpti_chain_add(struct qlogicpti *qpti) { spin_lock_irq(&qptichain_lock); if (qptichain != NULL) { @@ -667,7 +686,7 @@ static void __devinit qpti_chain_add(struct qlogicpti *qpti) spin_unlock_irq(&qptichain_lock); } -static void __devexit qpti_chain_del(struct qlogicpti *qpti) +static void qpti_chain_del(struct qlogicpti *qpti) { spin_lock_irq(&qptichain_lock); if (qptichain == qpti) { @@ -682,21 +701,21 @@ static void __devexit qpti_chain_del(struct qlogicpti *qpti) spin_unlock_irq(&qptichain_lock); } -static int __devinit qpti_map_regs(struct qlogicpti *qpti) +static int qpti_map_regs(struct qlogicpti *qpti) { - struct sbus_dev *sdev = qpti->sdev; + struct platform_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; @@ -705,11 +724,11 @@ static int __devinit qpti_map_regs(struct qlogicpti *qpti) return 0; } -static int __devinit qpti_register_irq(struct qlogicpti *qpti) +static int qpti_register_irq(struct qlogicpti *qpti) { - struct sbus_dev *sdev = qpti->sdev; + struct platform_device *op = qpti->op; - qpti->qhost->irq = qpti->irq = sdev->irqs[0]; + qpti->qhost->irq = qpti->irq = op->archdata.irqs[0]; /* We used to try various overly-clever things to * reduce the interrupt processing overhead on @@ -718,7 +737,7 @@ static int __devinit qpti_register_irq(struct qlogicpti *qpti) * sanely maintain. */ if (request_irq(qpti->irq, qpti_intr, - IRQF_SHARED, "Qlogic/PTI", qpti)) + IRQF_SHARED, "QlogicPTI", qpti)) goto fail; printk("qlogicpti%d: IRQ %d ", qpti->qpti_id, qpti->irq); @@ -730,19 +749,21 @@ fail: return -1; } -static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti) +static void qpti_get_scsi_id(struct qlogicpti *qpti) { - qpti->scsi_id = prom_getintdefault(qpti->prom_node, - "initiator-id", - -1); + struct platform_device *op = qpti->op; + struct device_node *dp; + + dp = op->dev.of_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; @@ -751,12 +772,11 @@ static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti) static void qpti_get_bursts(struct qlogicpti *qpti) { - struct sbus_dev *sdev = qpti->sdev; + struct platform_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->dev.of_node, "burst-sizes", 0xff); + bmask = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0xff); if (bmask != 0xff) bursts &= bmask; if (bursts == 0xff || @@ -783,27 +803,27 @@ static void qpti_get_clock(struct qlogicpti *qpti) /* The request and response queues must each be aligned * on a page boundary. */ -static int __devinit qpti_map_queues(struct qlogicpti *qpti) +static int qpti_map_queues(struct qlogicpti *qpti) { - struct sbus_dev *sdev = qpti->sdev; + struct platform_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; } @@ -859,7 +879,7 @@ static inline void cmd_frob(struct Command_Entry *cmd, struct scsi_cmnd *Cmnd, cmd->control_flags |= CFLAG_WRITE; else cmd->control_flags |= CFLAG_READ; - cmd->time_out = 30; + cmd->time_out = Cmnd->request->timeout/HZ; memcpy(cmd->cdb, Cmnd->cmnd, Cmnd->cmd_len); } @@ -875,8 +895,9 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd, 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; @@ -914,6 +935,7 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd, ds[i].d_count = sg_dma_len(s); } sg_count -= n; + sg = s; } } else { cmd->dataseg[0].d_base = 0; @@ -980,7 +1002,7 @@ static int qlogicpti_slave_configure(struct scsi_device *sdev) * * "This code must fly." -davem */ -static int qlogicpti_queuecommand(struct scsi_cmnd *Cmnd, void (*done)(struct scsi_cmnd *)) +static int qlogicpti_queuecommand_lck(struct scsi_cmnd *Cmnd, void (*done)(struct scsi_cmnd *)) { struct Scsi_Host *host = Cmnd->device->host; struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata; @@ -1029,6 +1051,8 @@ toss_command: return 1; } +static DEF_SCSI_QCMD(qlogicpti_queuecommand) + static int qlogicpti_return_status(struct Status_Entry *sts, int id) { int host_status = DID_ERROR; @@ -1151,9 +1175,9 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti) 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); @@ -1267,34 +1291,32 @@ static struct scsi_host_template qpti_template = { .use_clustering = ENABLE_CLUSTERING, }; -static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_device_id *match) +static const struct of_device_id qpti_match[]; +static int qpti_sbus_probe(struct platform_device *op) { - 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->dev.of_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->archdata.irqs[0] == 0) return -ENODEV; - host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti)); + host = scsi_host_alloc(&qpti_template, 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->dev.of_node->name); qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp"); if (qpti_map_regs(qpti) < 0) @@ -1340,12 +1362,12 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi (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); @@ -1356,19 +1378,20 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi 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); @@ -1379,9 +1402,9 @@ fail_unlink: return -ENODEV; } -static int __devexit qpti_sbus_remove(struct of_device *dev) +static int qpti_sbus_remove(struct platform_device *op) { - struct qlogicpti *qpti = dev_get_drvdata(&dev->dev); + struct qlogicpti *qpti = dev_get_drvdata(&op->dev); qpti_chain_del(qpti); @@ -1394,65 +1417,66 @@ static int __devexit qpti_sbus_remove(struct of_device *dev) 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, }, { .name = "PTI,ptisp", - .data = &qpti_template, }, { .name = "QLGC,isp", - .data = &qpti_template, }, { .name = "SUNW,isp", - .data = &qpti_template, }, {}, }; MODULE_DEVICE_TABLE(of, qpti_match); -static struct of_platform_driver qpti_sbus_driver = { - .name = "qpti", - .match_table = qpti_match, +static struct platform_driver qpti_sbus_driver = { + .driver = { + .name = "qpti", + .owner = THIS_MODULE, + .of_match_table = qpti_match, + }, .probe = qpti_sbus_probe, - .remove = __devexit_p(qpti_sbus_remove), + .remove = qpti_sbus_remove, }; static int __init qpti_init(void) { - return of_register_driver(&qpti_sbus_driver, &sbus_bus_type); + return platform_driver_register(&qpti_sbus_driver); } static void __exit qpti_exit(void) { - of_unregister_driver(&qpti_sbus_driver); + platform_driver_unregister(&qpti_sbus_driver); } 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); |
