diff options
Diffstat (limited to 'drivers/scsi/pcmcia/sym53c500_cs.c')
| -rw-r--r-- | drivers/scsi/pcmcia/sym53c500_cs.c | 336 |
1 files changed, 102 insertions, 234 deletions
diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index b4b3a1a8a0c..f5b52731abd 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -54,7 +54,6 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> -#include <linux/sched.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/ioport.h> @@ -72,23 +71,10 @@ #include <scsi/scsi.h> #include <scsi/scsi_host.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include <pcmcia/ciscode.h> -/* ================================================================== */ - -#ifdef PCMCIA_DEBUG -static int pc_debug = PCMCIA_DEBUG; -module_param(pc_debug, int, 0); -#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) -static char *version = -"sym53c500_cs.c 0.9c 2004/10/27 (Bob Tracy)"; -#else -#define DEBUG(n, args...) -#endif /* ================================================================== */ @@ -202,8 +188,7 @@ static char *version = /* ================================================================== */ struct scsi_info_t { - dev_link_t link; - dev_node_t node; + struct pcmcia_device *p_dev; struct Scsi_Host *host; unsigned short manf_id; }; @@ -228,15 +213,6 @@ enum Phase { /* ================================================================== */ -/* -* Global (within this module) variables other than -* sym53c500_driver_template (the scsi_host_template). -*/ -static dev_link_t *dev_list; -static dev_info_t dev_info = "sym53c500_cs"; - -/* ================================================================== */ - static void chip_init(int io_port) { @@ -372,7 +348,7 @@ SYM53C500_pio_write(int fast_pio, int base, unsigned char *request, unsigned int } static irqreturn_t -SYM53C500_intr(int irq, void *dev_id, struct pt_regs *regs) +SYM53C500_intr(int irq, void *dev_id) { unsigned long flags; struct Scsi_Host *dev = dev_id; @@ -380,8 +356,6 @@ SYM53C500_intr(int irq, void *dev_id, struct pt_regs *regs) DEB(unsigned char seq_reg;) unsigned char status, int_reg; unsigned char pio_status; - struct scatterlist *sglist; - unsigned int sgcount; int port_base = dev->io_port; struct sym53c500_data *data = (struct sym53c500_data *)dev->hostdata; @@ -444,20 +418,18 @@ SYM53C500_intr(int irq, void *dev_id, struct pt_regs *regs) switch (status & 0x07) { /* scsi phase */ case 0x00: /* DATA-OUT */ if (int_reg & 0x10) { /* Target requesting info transfer */ + struct scatterlist *sg; + int i; + curSC->SCp.phase = data_out; VDEB(printk("SYM53C500: Data-Out phase\n")); outb(FLUSH_FIFO, port_base + CMD_REG); - LOAD_DMA_COUNT(port_base, curSC->request_bufflen); /* Max transfer size */ + LOAD_DMA_COUNT(port_base, scsi_bufflen(curSC)); /* Max transfer size */ outb(TRANSFER_INFO | DMA_OP, port_base + CMD_REG); - if (!curSC->use_sg) /* Don't use scatter-gather */ - SYM53C500_pio_write(fast_pio, port_base, curSC->request_buffer, curSC->request_bufflen); - else { /* use scatter-gather */ - sgcount = curSC->use_sg; - sglist = curSC->request_buffer; - while (sgcount--) { - SYM53C500_pio_write(fast_pio, port_base, page_address(sglist->page) + sglist->offset, sglist->length); - sglist++; - } + + scsi_for_each_sg(curSC, sg, scsi_sg_count(curSC), i) { + SYM53C500_pio_write(fast_pio, port_base, + sg_virt(sg), sg->length); } REG0(port_base); } @@ -465,20 +437,18 @@ SYM53C500_intr(int irq, void *dev_id, struct pt_regs *regs) case 0x01: /* DATA-IN */ if (int_reg & 0x10) { /* Target requesting info transfer */ + struct scatterlist *sg; + int i; + curSC->SCp.phase = data_in; VDEB(printk("SYM53C500: Data-In phase\n")); outb(FLUSH_FIFO, port_base + CMD_REG); - LOAD_DMA_COUNT(port_base, curSC->request_bufflen); /* Max transfer size */ + LOAD_DMA_COUNT(port_base, scsi_bufflen(curSC)); /* Max transfer size */ outb(TRANSFER_INFO | DMA_OP, port_base + CMD_REG); - if (!curSC->use_sg) /* Don't use scatter-gather */ - SYM53C500_pio_read(fast_pio, port_base, curSC->request_buffer, curSC->request_bufflen); - else { /* Use scatter-gather */ - sgcount = curSC->use_sg; - sglist = curSC->request_buffer; - while (sgcount--) { - SYM53C500_pio_read(fast_pio, port_base, page_address(sglist->page) + sglist->offset, sglist->length); - sglist++; - } + + scsi_for_each_sg(curSC, sg, scsi_sg_count(curSC), i) { + SYM53C500_pio_read(fast_pio, port_base, + sg_virt(sg), sg->length); } REG0(port_base); } @@ -536,12 +506,12 @@ idle_out: } static void -SYM53C500_release(dev_link_t *link) +SYM53C500_release(struct pcmcia_device *link) { struct scsi_info_t *info = link->priv; struct Scsi_Host *shost = info->host; - DEBUG(0, "SYM53C500_release(0x%p)\n", link); + dev_dbg(&link->dev, "SYM53C500_release\n"); /* * Do this before releasing/freeing resources. @@ -554,18 +524,10 @@ SYM53C500_release(dev_link_t *link) */ if (shost->irq) free_irq(shost->irq, shost); - if (shost->dma_channel != 0xff) - free_dma(shost->dma_channel); if (shost->io_port && shost->n_io_port) release_region(shost->io_port, shost->n_io_port); - link->dev = NULL; - - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link); scsi_host_put(shost); } /* SYM53C500_release */ @@ -585,7 +547,7 @@ SYM53C500_info(struct Scsi_Host *SChost) } static int -SYM53C500_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +SYM53C500_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { int i; int port_base = SCpnt->device->host->io_port; @@ -596,7 +558,7 @@ SYM53C500_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) DEB(printk("cmd=%02x, cmd_len=%02x, target=%02x, lun=%02x, bufflen=%d\n", SCpnt->cmnd[0], SCpnt->cmd_len, SCpnt->device->id, - SCpnt->device->lun, SCpnt->request_bufflen)); + SCpnt->device->lun, scsi_bufflen(SCpnt))); VDEB(for (i = 0; i < SCpnt->cmd_len; i++) printk("cmd[%d]=%02x ", i, SCpnt->cmnd[i])); @@ -610,7 +572,7 @@ SYM53C500_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) /* We are locked here already by the mid layer */ REG0(port_base); - outb(SCpnt->device->id, port_base + DEST_ID); /* set destination */ + outb(scmd_id(SCpnt), port_base + DEST_ID); /* set destination */ outb(FLUSH_FIFO, port_base + CMD_REG); /* reset the fifos */ for (i = 0; i < SCpnt->cmd_len; i++) { @@ -621,6 +583,8 @@ SYM53C500_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(SYM53C500_queue) + static int SYM53C500_host_reset(struct scsi_cmnd *SCpnt) { @@ -656,9 +620,10 @@ SYM53C500_biosparm(struct scsi_device *disk, } static ssize_t -SYM53C500_show_pio(struct class_device *cdev, char *buf) +SYM53C500_show_pio(struct device *dev, struct device_attribute *attr, + char *buf) { - struct Scsi_Host *SHp = class_to_shost(cdev); + struct Scsi_Host *SHp = class_to_shost(dev); struct sym53c500_data *data = (struct sym53c500_data *)SHp->hostdata; @@ -666,10 +631,11 @@ SYM53C500_show_pio(struct class_device *cdev, char *buf) } static ssize_t -SYM53C500_store_pio(struct class_device *cdev, const char *buf, size_t count) +SYM53C500_store_pio(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { int pio; - struct Scsi_Host *SHp = class_to_shost(cdev); + struct Scsi_Host *SHp = class_to_shost(dev); struct sym53c500_data *data = (struct sym53c500_data *)SHp->hostdata; @@ -686,7 +652,7 @@ SYM53C500_store_pio(struct class_device *cdev, const char *buf, size_t count) * SCSI HBA device attributes we want to * make available via sysfs. */ -static struct class_device_attribute SYM53C500_pio_attr = { +static struct device_attribute SYM53C500_pio_attr = { .attr = { .name = "fast_pio", .mode = (S_IRUGO | S_IWUSR), @@ -695,7 +661,7 @@ static struct class_device_attribute SYM53C500_pio_attr = { .store = SYM53C500_store_pio, }; -static struct class_device_attribute *SYM53C500_shost_attrs[] = { +static struct device_attribute *SYM53C500_shost_attrs[] = { &SYM53C500_pio_attr, NULL, }; @@ -719,63 +685,42 @@ static struct scsi_host_template sym53c500_driver_template = { .shost_attrs = SYM53C500_shost_attrs }; -#define CS_CHECK(fn, ret) \ -do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) +static int SYM53C500_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->io_lines = 10; + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; -static void -SYM53C500_config(dev_link_t *link) + if (p_dev->resource[0]->start == 0) + return -ENODEV; + + return pcmcia_request_io(p_dev); +} + +static int +SYM53C500_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; struct scsi_info_t *info = link->priv; - tuple_t tuple; - cisparse_t parse; - int i, last_ret, last_fn; + int ret; int irq_level, port_base; - unsigned short tuple_data[32]; struct Scsi_Host *host; struct scsi_host_template *tpnt = &sym53c500_driver_template; struct sym53c500_data *data; - DEBUG(0, "SYM53C500_config(0x%p)\n", link); - - tuple.TupleData = (cisdata_t *)tuple_data; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - - tuple.DesiredTuple = CISTPL_MANFID; - if ((pcmcia_get_first_tuple(handle, &tuple) == CS_SUCCESS) && - (pcmcia_get_tuple_data(handle, &tuple) == CS_SUCCESS)) - info->manf_id = le16_to_cpu(tuple.TupleData[0]); - - /* Configure card */ - link->state |= DEV_CONFIG; - - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - while (1) { - if (pcmcia_get_tuple_data(handle, &tuple) != 0 || - pcmcia_parse_tuple(handle, &tuple, &parse) != 0) - goto next_entry; - link->conf.ConfigIndex = parse.cftable_entry.index; - link->io.BasePort1 = parse.cftable_entry.io.win[0].base; - link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; - - if (link->io.BasePort1 != 0) { - i = pcmcia_request_io(handle, &link->io); - if (i == CS_SUCCESS) - break; - } -next_entry: - CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); - } + dev_dbg(&link->dev, "SYM53C500_config\n"); + + info->manf_id = link->manf_id; - CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); + ret = pcmcia_loop_config(link, SYM53C500_config_check, NULL); + if (ret) + goto failed; + + if (!link->irq) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; /* * That's the trouble with copying liberally from another driver. @@ -786,9 +731,9 @@ next_entry: (info->manf_id == MANFID_PIONEER) || (info->manf_id == 0x0098)) { /* set ATAcmd */ - outb(0xb4, link->io.BasePort1 + 0xd); - outb(0x24, link->io.BasePort1 + 0x9); - outb(0x04, link->io.BasePort1 + 0xd); + outb(0xb4, link->resource[0]->start + 0xd); + outb(0x24, link->resource[0]->start + 0x9); + outb(0x04, link->resource[0]->start + 0xd); } /* @@ -801,8 +746,8 @@ next_entry: * 0x130, 0x230, 0x280, 0x290, * 0x320, 0x330, 0x340, 0x350 */ - port_base = link->io.BasePort1; - irq_level = link->irq.AssignedIRQ; + port_base = link->resource[0]->start; + irq_level = link->irq; DEB(printk("SYM53C500: port_base=0x%x, irq=%d, fast_pio=%d\n", port_base, irq_level, USE_FAST_PIO);) @@ -818,7 +763,7 @@ next_entry: data = (struct sym53c500_data *)host->hostdata; if (irq_level > 0) { - if (request_irq(irq_level, SYM53C500_intr, SA_SHIRQ, "SYM53C500", host)) { + if (request_irq(irq_level, SYM53C500_intr, IRQF_SHARED, "SYM53C500", host)) { printk("SYM53C500: unable to allocate IRQ %d\n", irq_level); goto err_free_scsi; } @@ -843,8 +788,6 @@ next_entry: */ data->fast_pio = USE_FAST_PIO; - sprintf(info->node.dev_name, "scsi%d", host->host_no); - link->dev = &info->node; info->host = host; if (scsi_add_host(host, NULL)) @@ -852,7 +795,7 @@ next_entry: scsi_scan_host(host); - goto out; /* SUCCESS */ + return 0; err_free_irq: free_irq(irq_level, host); @@ -861,141 +804,68 @@ err_free_scsi: err_release: release_region(port_base, 0x10); printk(KERN_INFO "sym53c500_cs: no SCSI devices found\n"); + return -ENODEV; -out: - link->state &= ~DEV_CONFIG_PENDING; - return; - -cs_failed: - cs_error(link->handle, last_fn, last_ret); +failed: SYM53C500_release(link); - return; + return -ENODEV; } /* SYM53C500_config */ -static int -SYM53C500_event(event_t event, int priority, event_callback_args_t *args) +static int sym53c500_resume(struct pcmcia_device *link) { - dev_link_t *link = args->client_data; struct scsi_info_t *info = link->priv; - DEBUG(1, "SYM53C500_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - SYM53C500_release(link); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - SYM53C500_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - /* See earlier comment about manufacturer IDs. */ - if ((info->manf_id == MANFID_MACNICA) || - (info->manf_id == MANFID_PIONEER) || - (info->manf_id == 0x0098)) { - outb(0x80, link->io.BasePort1 + 0xd); - outb(0x24, link->io.BasePort1 + 0x9); - outb(0x04, link->io.BasePort1 + 0xd); - } - /* - * If things don't work after a "resume", - * this is a good place to start looking. - */ - SYM53C500_int_host_reset(link->io.BasePort1); - } - break; + /* See earlier comment about manufacturer IDs. */ + if ((info->manf_id == MANFID_MACNICA) || + (info->manf_id == MANFID_PIONEER) || + (info->manf_id == 0x0098)) { + outb(0x80, link->resource[0]->start + 0xd); + outb(0x24, link->resource[0]->start + 0x9); + outb(0x04, link->resource[0]->start + 0xd); } + /* + * If things don't work after a "resume", + * this is a good place to start looking. + */ + SYM53C500_int_host_reset(link->resource[0]->start); + return 0; -} /* SYM53C500_event */ +} static void -SYM53C500_detach(dev_link_t *link) +SYM53C500_detach(struct pcmcia_device *link) { - dev_link_t **linkp; - - DEBUG(0, "SYM53C500_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (*linkp == NULL) - return; - - if (link->state & DEV_CONFIG) - SYM53C500_release(link); + dev_dbg(&link->dev, "SYM53C500_detach\n"); - if (link->handle) - pcmcia_deregister_client(link->handle); + SYM53C500_release(link); - /* Unlink device structure, free bits. */ - *linkp = link->next; kfree(link->priv); link->priv = NULL; } /* SYM53C500_detach */ -static dev_link_t * -SYM53C500_attach(void) +static int +SYM53C500_probe(struct pcmcia_device *link) { struct scsi_info_t *info; - client_reg_t client_reg; - dev_link_t *link; - int ret; - DEBUG(0, "SYM53C500_attach()\n"); + dev_dbg(&link->dev, "SYM53C500_attach()\n"); /* Create new SCSI device */ - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) - return NULL; - memset(info, 0, sizeof(*info)); - link = &info->link; + return -ENOMEM; + info->p_dev = link; link->priv = info; - link->io.NumPorts1 = 16; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; - link->io.IOAddrLines = 10; - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.Present = PRESENT_OPTION; - - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - SYM53C500_detach(link); - return NULL; - } + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; - return link; + return SYM53C500_config(link); } /* SYM53C500_attach */ MODULE_AUTHOR("Bob Tracy <rct@frus.com>"); MODULE_DESCRIPTION("SYM53C500 PCMCIA SCSI driver"); MODULE_LICENSE("GPL"); -static struct pcmcia_device_id sym53c500_ids[] = { +static const struct pcmcia_device_id sym53c500_ids[] = { PCMCIA_DEVICE_PROD_ID12("BASICS by New Media Corporation", "SCSI Sym53C500", 0x23c78a9d, 0x0099e7f7), PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "SCSI Bus Toaster Sym53C500", 0x085a850b, 0x45432eb8), PCMCIA_DEVICE_PROD_ID2("SCSI9000", 0x21648f44), @@ -1005,13 +875,11 @@ MODULE_DEVICE_TABLE(pcmcia, sym53c500_ids); static struct pcmcia_driver sym53c500_cs_driver = { .owner = THIS_MODULE, - .drv = { - .name = "sym53c500_cs", - }, - .attach = SYM53C500_attach, - .event = SYM53C500_event, - .detach = SYM53C500_detach, + .name = "sym53c500_cs", + .probe = SYM53C500_probe, + .remove = SYM53C500_detach, .id_table = sym53c500_ids, + .resume = sym53c500_resume, }; static int __init |
