X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fserial%2Fserial_cs.c;h=2c70773543e052b94f98931557e967c9eb13a9eb;hb=33b37a33c242542fac2980b8ccd90977388b7a8d;hp=1e6889f52b386a5cfde09a5f7a5567975491d5f8;hpb=70294b468302fd7a0a99dad935c7ba5322989345;p=powerpc.git diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 1e6889f52b..2c70773543 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -41,6 +41,7 @@ #include #include #include +#include #include #include #include @@ -97,11 +98,13 @@ static const struct multi_id multi_id[] = { #define MULTI_COUNT (sizeof(multi_id)/sizeof(struct multi_id)) struct serial_info { - dev_link_t link; + struct pcmcia_device *p_dev; int ndev; int multi; int slave; int manfid; + int prodid; + int c950ctrl; dev_node_t node[4]; int line[4]; }; @@ -113,9 +116,36 @@ struct serial_cfg_mem { }; -static void serial_config(dev_link_t * link); +static int serial_config(struct pcmcia_device * link); +static void wakeup_card(struct serial_info *info) +{ + int ctrl = info->c950ctrl; + + if (info->manfid == MANFID_OXSEMI) { + outb(12, ctrl + 1); + } else if (info->manfid == MANFID_POSSIO && info->prodid == PRODID_POSSIO_GCC) { + /* request_region? oxsemi branch does no request_region too... */ + /* This sequence is needed to properly initialize MC45 attached to OXCF950. + * I tried decreasing these msleep()s, but it worked properly (survived + * 1000 stop/start operations) with these timeouts (or bigger). */ + outb(0xA, ctrl + 1); + msleep(100); + outb(0xE, ctrl + 1); + msleep(300); + outb(0xC, ctrl + 1); + msleep(100); + outb(0xE, ctrl + 1); + msleep(200); + outb(0xF, ctrl + 1); + msleep(100); + outb(0xE, ctrl + 1); + msleep(100); + outb(0xC, ctrl + 1); + } +} + /*====================================================================== After a card is removed, serial_remove() will unregister @@ -123,59 +153,45 @@ static void serial_config(dev_link_t * link); ======================================================================*/ -static void serial_remove(dev_link_t *link) +static void serial_remove(struct pcmcia_device *link) { struct serial_info *info = link->priv; int i; - link->state &= ~DEV_PRESENT; - DEBUG(0, "serial_release(0x%p)\n", link); /* * Recheck to see if the device is still configured. */ - if (info->link.state & DEV_CONFIG) { - for (i = 0; i < info->ndev; i++) - serial8250_unregister_port(info->line[i]); - - info->link.dev = NULL; + for (i = 0; i < info->ndev; i++) + serial8250_unregister_port(info->line[i]); - if (!info->slave) - pcmcia_disable_device(link->handle); + info->p_dev->dev_node = NULL; - info->link.state &= ~DEV_CONFIG; - } + if (!info->slave) + pcmcia_disable_device(link); } -static int serial_suspend(struct pcmcia_device *dev) +static int serial_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); - - if (link->state & DEV_CONFIG) { - struct serial_info *info = link->priv; - int i; + struct serial_info *info = link->priv; + int i; - for (i = 0; i < info->ndev; i++) - serial8250_suspend_port(info->line[i]); - - if (info->slave) - link->state &= DEV_SUSPEND_NORELEASE; - } + for (i = 0; i < info->ndev; i++) + serial8250_suspend_port(info->line[i]); return 0; } -static int serial_resume(struct pcmcia_device *dev) +static int serial_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); - - if (DEV_OK(link)) { + if (pcmcia_dev_present(link)) { struct serial_info *info = link->priv; int i; for (i = 0; i < info->ndev; i++) serial8250_resume_port(info->line[i]); + wakeup_card(info); } return 0; @@ -189,10 +205,9 @@ static int serial_resume(struct pcmcia_device *dev) ======================================================================*/ -static int serial_probe(struct pcmcia_device *p_dev) +static int serial_probe(struct pcmcia_device *link) { struct serial_info *info; - dev_link_t *link; DEBUG(0, "serial_attach()\n"); @@ -201,7 +216,7 @@ static int serial_probe(struct pcmcia_device *p_dev) if (!info) return -ENOMEM; memset(info, 0, sizeof (*info)); - link = &info->link; + info->p_dev = link; link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; @@ -215,12 +230,7 @@ static int serial_probe(struct pcmcia_device *p_dev) } link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - serial_config(link); - - return 0; + return serial_config(link); } /*====================================================================== @@ -232,9 +242,8 @@ static int serial_probe(struct pcmcia_device *p_dev) ======================================================================*/ -static void serial_detach(struct pcmcia_device *p_dev) +static void serial_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct serial_info *info = link->priv; DEBUG(0, "serial_detach(0x%p)\n", link); @@ -255,7 +264,7 @@ static void serial_detach(struct pcmcia_device *p_dev) /*====================================================================*/ -static int setup_serial(client_handle_t handle, struct serial_info * info, +static int setup_serial(struct pcmcia_device *handle, struct serial_info * info, kio_addr_t iobase, int irq) { struct uart_port port; @@ -290,7 +299,7 @@ static int setup_serial(client_handle_t handle, struct serial_info * info, /*====================================================================*/ static int -first_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse) +first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse) { int i; i = pcmcia_get_first_tuple(handle, tuple); @@ -303,7 +312,7 @@ first_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse) } static int -next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse) +next_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse) { int i; i = pcmcia_get_next_tuple(handle, tuple); @@ -317,11 +326,10 @@ next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse) /*====================================================================*/ -static int simple_config(dev_link_t *link) +static int simple_config(struct pcmcia_device *link) { static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; static const int size_table[2] = { 8, 16 }; - client_handle_t handle = link->handle; struct serial_info *info = link->priv; struct serial_cfg_mem *cfg_mem; tuple_t *tuple; @@ -342,7 +350,7 @@ static int simple_config(dev_link_t *link) buf = cfg_mem->buf; /* If the card is already configured, look up the port and irq */ - i = pcmcia_get_configuration_info(handle, &config); + i = pcmcia_get_configuration_info(link, &config); if ((i == CS_SUCCESS) && (config.Attributes & CONF_VALID_CLIENT)) { kio_addr_t port = 0; if ((config.BasePort2 != 0) && (config.NumPorts2 == 8)) { @@ -355,7 +363,7 @@ static int simple_config(dev_link_t *link) } if (info->slave) { kfree(cfg_mem); - return setup_serial(handle, info, port, config.AssignedIRQ); + return setup_serial(link, info, port, config.AssignedIRQ); } } @@ -368,7 +376,7 @@ static int simple_config(dev_link_t *link) /* Two tries: without IO aliases, then with aliases */ for (s = 0; s < 2; s++) { for (try = 0; try < 2; try++) { - i = first_tuple(handle, tuple, parse); + i = first_tuple(link, tuple, parse); while (i != CS_NO_MORE_ITEMS) { if (i != CS_SUCCESS) goto next_entry; @@ -381,19 +389,19 @@ static int simple_config(dev_link_t *link) link->io.BasePort1 = cf->io.win[0].base; link->io.IOAddrLines = (try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK; - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); if (i == CS_SUCCESS) goto found_port; } next_entry: - i = next_tuple(handle, tuple, parse); + i = next_tuple(link, tuple, parse); } } } /* Second pass: try to find an entry that isn't picky about its base address, then try to grab any standard serial port address, and finally try to get any free port. */ - i = first_tuple(handle, tuple, parse); + i = first_tuple(link, tuple, parse); while (i != CS_NO_MORE_ITEMS) { if ((i == CS_SUCCESS) && (cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) { @@ -401,43 +409,42 @@ next_entry: for (j = 0; j < 5; j++) { link->io.BasePort1 = base[j]; link->io.IOAddrLines = base[j] ? 16 : 3; - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); if (i == CS_SUCCESS) goto found_port; } } - i = next_tuple(handle, tuple, parse); + i = next_tuple(link, tuple, parse); } found_port: if (i != CS_SUCCESS) { printk(KERN_NOTICE "serial_cs: no usable port range found, giving up\n"); - cs_error(link->handle, RequestIO, i); + cs_error(link, RequestIO, i); kfree(cfg_mem); return -1; } - i = pcmcia_request_irq(link->handle, &link->irq); + i = pcmcia_request_irq(link, &link->irq); if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIRQ, i); + cs_error(link, RequestIRQ, i); link->irq.AssignedIRQ = 0; } if (info->multi && (info->manfid == MANFID_3COM)) link->conf.ConfigIndex &= ~(0x08); - i = pcmcia_request_configuration(link->handle, &link->conf); + i = pcmcia_request_configuration(link, &link->conf); if (i != CS_SUCCESS) { - cs_error(link->handle, RequestConfiguration, i); + cs_error(link, RequestConfiguration, i); kfree(cfg_mem); return -1; } kfree(cfg_mem); - return setup_serial(handle, info, link->io.BasePort1, link->irq.AssignedIRQ); + return setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ); } -static int multi_config(dev_link_t * link) +static int multi_config(struct pcmcia_device * link) { - client_handle_t handle = link->handle; struct serial_info *info = link->priv; struct serial_cfg_mem *cfg_mem; tuple_t *tuple; @@ -462,7 +469,7 @@ static int multi_config(dev_link_t * link) /* First, look for a generic full-sized window */ link->io.NumPorts1 = info->multi * 8; - i = first_tuple(handle, tuple, parse); + i = first_tuple(link, tuple, parse); while (i != CS_NO_MORE_ITEMS) { /* The quad port cards have bad CIS's, so just look for a window larger than 8 ports and assume it will be right */ @@ -472,19 +479,19 @@ static int multi_config(dev_link_t * link) link->io.BasePort1 = cf->io.win[0].base; link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK; - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); base2 = link->io.BasePort1 + 8; if (i == CS_SUCCESS) break; } - i = next_tuple(handle, tuple, parse); + i = next_tuple(link, tuple, parse); } /* If that didn't work, look for two windows */ if (i != CS_SUCCESS) { link->io.NumPorts1 = link->io.NumPorts2 = 8; info->multi = 2; - i = first_tuple(handle, tuple, parse); + i = first_tuple(link, tuple, parse); while (i != CS_NO_MORE_ITEMS) { if ((i == CS_SUCCESS) && (cf->io.nwin == 2)) { link->conf.ConfigIndex = cf->index; @@ -492,26 +499,26 @@ static int multi_config(dev_link_t * link) link->io.BasePort2 = cf->io.win[1].base; link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK; - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); base2 = link->io.BasePort2; if (i == CS_SUCCESS) break; } - i = next_tuple(handle, tuple, parse); + i = next_tuple(link, tuple, parse); } } if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIO, i); + cs_error(link, RequestIO, i); rc = -1; goto free_cfg_mem; } - i = pcmcia_request_irq(link->handle, &link->irq); + i = pcmcia_request_irq(link, &link->irq); if (i != CS_SUCCESS) { printk(KERN_NOTICE "serial_cs: no usable port range found, giving up\n"); - cs_error(link->handle, RequestIRQ, i); + cs_error(link, RequestIRQ, i); link->irq.AssignedIRQ = 0; } /* Socket Dual IO: this enables irq's for second port */ @@ -519,35 +526,43 @@ static int multi_config(dev_link_t * link) link->conf.Present |= PRESENT_EXT_STATUS; link->conf.ExtStatus = ESR_REQ_ATTN_ENA; } - i = pcmcia_request_configuration(link->handle, &link->conf); + i = pcmcia_request_configuration(link, &link->conf); if (i != CS_SUCCESS) { - cs_error(link->handle, RequestConfiguration, i); + cs_error(link, RequestConfiguration, i); rc = -1; goto free_cfg_mem; } /* The Oxford Semiconductor OXCF950 cards are in fact single-port: - 8 registers are for the UART, the others are extra registers */ - if (info->manfid == MANFID_OXSEMI) { + * 8 registers are for the UART, the others are extra registers. + * Siemen's MC45 PCMCIA (Possio's GCC) is OXCF950 based too. + */ + if (info->manfid == MANFID_OXSEMI || (info->manfid == MANFID_POSSIO && + info->prodid == PRODID_POSSIO_GCC)) { + int err; + if (cf->index == 1 || cf->index == 3) { - setup_serial(handle, info, base2, link->irq.AssignedIRQ); - outb(12, link->io.BasePort1 + 1); + err = setup_serial(link, info, base2, + link->irq.AssignedIRQ); + base2 = link->io.BasePort1; } else { - setup_serial(handle, info, link->io.BasePort1, link->irq.AssignedIRQ); - outb(12, base2 + 1); + err = setup_serial(link, info, link->io.BasePort1, + link->irq.AssignedIRQ); } + info->c950ctrl = base2; + wakeup_card(info); rc = 0; goto free_cfg_mem; } - setup_serial(handle, info, link->io.BasePort1, link->irq.AssignedIRQ); + setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ); /* The Nokia cards are not really multiport cards */ if (info->manfid == MANFID_NOKIA) { rc = 0; goto free_cfg_mem; } for (i = 0; i < info->multi - 1; i++) - setup_serial(handle, info, base2 + (8 * i), + setup_serial(link, info, base2 + (8 * i), link->irq.AssignedIRQ); rc = 0; free_cfg_mem: @@ -563,9 +578,8 @@ free_cfg_mem: ======================================================================*/ -void serial_config(dev_link_t * link) +static int serial_config(struct pcmcia_device * link) { - client_handle_t handle = link->handle; struct serial_info *info = link->priv; struct serial_cfg_mem *cfg_mem; tuple_t *tuple; @@ -591,7 +605,7 @@ void serial_config(dev_link_t * link) tuple->Attributes = 0; /* Get configuration register information */ tuple->DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(handle, tuple, parse); + last_ret = first_tuple(link, tuple, parse); if (last_ret != CS_SUCCESS) { last_fn = ParseTuple; goto cs_failed; @@ -599,18 +613,16 @@ void serial_config(dev_link_t * link) link->conf.ConfigBase = parse->config.base; link->conf.Present = parse->config.rmask[0]; - /* Configure card */ - link->state |= DEV_CONFIG; - /* Is this a compliant multifunction card? */ tuple->DesiredTuple = CISTPL_LONGLINK_MFC; tuple->Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK; - info->multi = (first_tuple(handle, tuple, parse) == CS_SUCCESS); + info->multi = (first_tuple(link, tuple, parse) == CS_SUCCESS); /* Is this a multiport card? */ tuple->DesiredTuple = CISTPL_MANFID; - if (first_tuple(handle, tuple, parse) == CS_SUCCESS) { + if (first_tuple(link, tuple, parse) == CS_SUCCESS) { info->manfid = parse->manfid.manf; + info->prodid = le16_to_cpu(buf[1]); for (i = 0; i < MULTI_COUNT; i++) if ((info->manfid == multi_id[i].manfid) && (parse->manfid.card == multi_id[i].prodid)) @@ -623,11 +635,11 @@ void serial_config(dev_link_t * link) multifunction cards that ask for appropriate IO port ranges */ tuple->DesiredTuple = CISTPL_FUNCID; if ((info->multi == 0) && - ((first_tuple(handle, tuple, parse) != CS_SUCCESS) || + ((first_tuple(link, tuple, parse) != CS_SUCCESS) || (parse->funcid.func == CISTPL_FUNCID_MULTI) || (parse->funcid.func == CISTPL_FUNCID_SERIAL))) { tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY; - if (first_tuple(handle, tuple, parse) == CS_SUCCESS) { + if (first_tuple(link, tuple, parse) == CS_SUCCESS) { if ((cf->io.nwin == 1) && (cf->io.win[0].len % 8 == 0)) info->multi = cf->io.win[0].len >> 3; if ((cf->io.nwin == 2) && (cf->io.win[0].len == 8) && @@ -646,31 +658,30 @@ void serial_config(dev_link_t * link) if (info->manfid == MANFID_IBM) { conf_reg_t reg = { 0, CS_READ, 0x800, 0 }; - last_ret = pcmcia_access_configuration_register(link->handle, ®); + last_ret = pcmcia_access_configuration_register(link, ®); if (last_ret) { last_fn = AccessConfigurationRegister; goto cs_failed; } reg.Action = CS_WRITE; reg.Value = reg.Value | 1; - last_ret = pcmcia_access_configuration_register(link->handle, ®); + last_ret = pcmcia_access_configuration_register(link, ®); if (last_ret) { last_fn = AccessConfigurationRegister; goto cs_failed; } } - link->dev = &info->node[0]; - link->state &= ~DEV_CONFIG_PENDING; + link->dev_node = &info->node[0]; kfree(cfg_mem); - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: serial_remove(link); - link->state &= ~DEV_CONFIG_PENDING; kfree(cfg_mem); + return -ENODEV; } static struct pcmcia_device_id serial_ids[] = {