diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/pcmcia/synclink_cs.c | 1 | ||||
-rw-r--r-- | drivers/char/synclink.c | 1 | ||||
-rw-r--r-- | drivers/serial/8250.c | 35 | ||||
-rw-r--r-- | drivers/serial/8250_pci.c | 4 | ||||
-rw-r--r-- | drivers/serial/8250_pnp.c | 13 | ||||
-rw-r--r-- | drivers/serial/m32r_sio.c | 5 | ||||
-rw-r--r-- | drivers/serial/serial_core.c | 18 | ||||
-rw-r--r-- | drivers/serial/serial_cs.c | 292 | ||||
-rw-r--r-- | drivers/serial/serial_txx9.c | 2 |
9 files changed, 268 insertions, 103 deletions
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index dd845cb..d1ecb2c 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -57,7 +57,6 @@ #include <linux/netdevice.h> #include <linux/vmalloc.h> #include <linux/init.h> -#include <asm/serial.h> #include <linux/delay.h> #include <linux/ioctl.h> diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 244dc30..38d9498 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -87,7 +87,6 @@ #include <linux/vmalloc.h> #include <linux/init.h> -#include <asm/serial.h> #include <linux/delay.h> #include <linux/ioctl.h> diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 10c2daa..cc2a205 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1896,6 +1896,17 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios, serial_outp(up, UART_EFR, efr); } +#ifdef CONFIG_ARCH_OMAP15XX + /* Workaround to enable 115200 baud on OMAP1510 internal ports */ + if (cpu_is_omap1510() && is_omap_port((unsigned int)up->port.membase)) { + if (baud == 115200) { + quot = 1; + serial_out(up, UART_OMAP_OSC_12M_SEL, 1); + } else + serial_out(up, UART_OMAP_OSC_12M_SEL, 0); + } +#endif + if (up->capabilities & UART_NATSEMI) { /* Switch to bank 2 not bank 1, to avoid resetting EXCR2 */ serial_outp(up, UART_LCR, 0xe0); @@ -1949,6 +1960,8 @@ static int serial8250_request_std_resource(struct uart_8250_port *up) case UPIO_AU: size = 0x100000; /* fall thru */ + case UPIO_TSI: + case UPIO_MEM32: case UPIO_MEM: if (!up->port.mapbase) break; @@ -1984,6 +1997,8 @@ static void serial8250_release_std_resource(struct uart_8250_port *up) case UPIO_AU: size = 0x100000; /* fall thru */ + case UPIO_TSI: + case UPIO_MEM32: case UPIO_MEM: if (!up->port.mapbase) break; @@ -2007,17 +2022,15 @@ static int serial8250_request_rsa_resource(struct uart_8250_port *up) { unsigned long start = UART_RSA_BASE << up->port.regshift; unsigned int size = 8 << up->port.regshift; - int ret = 0; + int ret = -EINVAL; switch (up->port.iotype) { - case UPIO_MEM: - ret = -EINVAL; - break; - case UPIO_HUB6: case UPIO_PORT: start += up->port.iobase; - if (!request_region(start, size, "serial-rsa")) + if (request_region(start, size, "serial-rsa")) + ret = 0; + else ret = -EBUSY; break; } @@ -2031,9 +2044,6 @@ static void serial8250_release_rsa_resource(struct uart_8250_port *up) unsigned int size = 8 << up->port.regshift; switch (up->port.iotype) { - case UPIO_MEM: - break; - case UPIO_HUB6: case UPIO_PORT: release_region(up->port.iobase + offset, size); @@ -2222,9 +2232,10 @@ static inline void wait_for_xmitr(struct uart_8250_port *up, int bits) /* Wait up to 1s for flow control if necessary */ if (up->port.flags & UPF_CONS_FLOW) { tmout = 1000000; - while (--tmout && - ((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0)) + while (!(serial_in(up, UART_MSR) & UART_MSR_CTS) && --tmout) { udelay(1); + touch_nmi_watchdog(); + } } } @@ -2397,7 +2408,6 @@ int __init early_serial_setup(struct uart_port *port) /** * serial8250_suspend_port - suspend one serial port * @line: serial line number - * @level: the level of port suspension, as per uart_suspend_port * * Suspend one serial port. */ @@ -2409,7 +2419,6 @@ void serial8250_suspend_port(int line) /** * serial8250_resume_port - resume one serial port * @line: serial line number - * @level: the level of port resumption, as per uart_resume_port * * Resume one serial port. */ diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 851e483..4d0ff8f 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -1789,6 +1789,7 @@ static void __devexit pciserial_remove_one(struct pci_dev *dev) pci_disable_device(dev); } +#ifdef CONFIG_PM static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state) { struct serial_private *priv = pci_get_drvdata(dev); @@ -1818,6 +1819,7 @@ static int pciserial_resume_one(struct pci_dev *dev) } return 0; } +#endif static struct pci_device_id serial_pci_tbl[] = { { PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V960, @@ -2375,8 +2377,10 @@ static struct pci_driver serial_pci_driver = { .name = "serial", .probe = pciserial_init_one, .remove = __devexit_p(pciserial_remove_one), +#ifdef CONFIG_PM .suspend = pciserial_suspend_one, .resume = pciserial_resume_one, +#endif .id_table = serial_pci_tbl, }; diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c index 632f62d..71d907c 100644 --- a/drivers/serial/8250_pnp.c +++ b/drivers/serial/8250_pnp.c @@ -327,6 +327,19 @@ static const struct pnp_device_id pnp_dev_table[] = { { "WACF004", 0 }, { "WACF005", 0 }, { "WACF006", 0 }, + /* Compaq touchscreen */ + { "FPI2002", 0 }, + /* Fujitsu Stylistic touchscreens */ + { "FUJ02B2", 0 }, + { "FUJ02B3", 0 }, + /* Fujitsu Stylistic LT touchscreens */ + { "FUJ02B4", 0 }, + /* Passive Fujitsu Stylistic touchscreens */ + { "FUJ02B6", 0 }, + { "FUJ02B7", 0 }, + { "FUJ02B8", 0 }, + { "FUJ02B9", 0 }, + { "FUJ02BC", 0 }, /* Rockwell's (PORALiNK) 33600 INT PNP */ { "WCI0003", 0 }, /* Unkown PnP modems */ diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c index e7fe4bb..28c9ce6 100644 --- a/drivers/serial/m32r_sio.c +++ b/drivers/serial/m32r_sio.c @@ -76,7 +76,7 @@ */ #define is_real_interrupt(irq) ((irq) != 0) -#include <asm/serial.h> +#define BASE_BAUD 115200 /* Standard COM flags */ #define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST) @@ -86,7 +86,6 @@ * standard enumeration mechanism. Platforms that can find all * serial ports via mechanisms like ACPI or PCI need not supply it. */ -#undef SERIAL_PORT_DFNS #if defined(CONFIG_PLAT_USRV) #define SERIAL_PORT_DFNS \ @@ -109,7 +108,7 @@ #endif /* !CONFIG_PLAT_USRV */ static struct old_serial_port old_serial_port[] = { - SERIAL_PORT_DFNS /* defined in asm/serial.h */ + SERIAL_PORT_DFNS }; #define UART_NR ARRAY_SIZE(old_serial_port) diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index de5e893..c67b05e 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -792,6 +792,7 @@ static int uart_set_info(struct uart_state *state, * We failed anyway. */ retval = -EBUSY; + goto exit; // Added to return the correct error -Ram Gupta } } @@ -1662,16 +1663,16 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i) struct uart_port *port = state->port; char stat_buf[32]; unsigned int status; - int ret; + int mmio, ret; if (!port) return 0; + mmio = port->iotype >= UPIO_MEM; ret = sprintf(buf, "%d: uart:%s %s%08lX irq:%d", port->line, uart_type(port), - port->iotype == UPIO_MEM ? "mmio:0x" : "port:", - port->iotype == UPIO_MEM ? port->mapbase : - (unsigned long) port->iobase, + mmio ? "mmio:0x" : "port:", + mmio ? port->mapbase : (unsigned long) port->iobase, port->irq); if (port->type == PORT_UNKNOWN) { @@ -1939,6 +1940,9 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) if (state->info && state->info->flags & UIF_INITIALIZED) { const struct uart_ops *ops = port->ops; + state->info->flags = (state->info->flags & ~UIF_INITIALIZED) + | UIF_SUSPENDED; + spin_lock_irq(&port->lock); ops->stop_tx(port); ops->set_mctrl(port, 0); @@ -2005,7 +2009,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) console_start(port->cons); } - if (state->info && state->info->flags & UIF_INITIALIZED) { + if (state->info && state->info->flags & UIF_SUSPENDED) { const struct uart_ops *ops = port->ops; int ret; @@ -2017,15 +2021,17 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) ops->set_mctrl(port, port->mctrl); ops->start_tx(port); spin_unlock_irq(&port->lock); + state->info->flags |= UIF_INITIALIZED; } else { /* * Failed to resume - maybe hardware went away? * Clear the "initialized" flag so we won't try * to call the low level drivers shutdown method. */ - state->info->flags &= ~UIF_INITIALIZED; uart_shutdown(state); } + + state->info->flags &= ~UIF_SUSPENDED; } mutex_unlock(&state->mutex); diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index cbf260b..00f9ffd 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -80,23 +80,16 @@ module_param(buggy_uart, int, 0444); /* Table of multi-port card ID's */ -struct multi_id { - u_short manfid; - u_short prodid; +struct serial_quirk { + unsigned int manfid; + unsigned int prodid; int multi; /* 1 = multifunction, > 1 = # ports */ + void (*config)(struct pcmcia_device *); + void (*setup)(struct pcmcia_device *, struct uart_port *); + void (*wakeup)(struct pcmcia_device *); + int (*post)(struct pcmcia_device *); }; -static const struct multi_id multi_id[] = { - { MANFID_OMEGA, PRODID_OMEGA_QSP_100, 4 }, - { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232, 2 }, - { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232_D1, 2 }, - { MANFID_QUATECH, PRODID_QUATECH_QUAD_RS232, 4 }, - { MANFID_SOCKET, PRODID_SOCKET_DUAL_RS232, 2 }, - { MANFID_INTEL, PRODID_INTEL_DUAL_RS232, 2 }, - { MANFID_NATINST, PRODID_NATINST_QUAD_RS232, 4 } -}; -#define MULTI_COUNT (sizeof(multi_id)/sizeof(struct multi_id)) - struct serial_info { struct pcmcia_device *p_dev; int ndev; @@ -107,6 +100,7 @@ struct serial_info { int c950ctrl; dev_node_t node[4]; int line[4]; + const struct serial_quirk *quirk; }; struct serial_cfg_mem { @@ -115,37 +109,165 @@ struct serial_cfg_mem { u_char buf[256]; }; +/* + * vers_1 5.0, "Brain Boxes", "2-Port RS232 card", "r6" + * manfid 0x0160, 0x0104 + * This card appears to have a 14.7456MHz clock. + */ +static void quirk_setup_brainboxes_0104(struct pcmcia_device *link, struct uart_port *port) +{ + port->uartclk = 14745600; +} -static int serial_config(struct pcmcia_device * link); +static int quirk_post_ibm(struct pcmcia_device *link) +{ + conf_reg_t reg = { 0, CS_READ, 0x800, 0 }; + int last_ret, last_fn; + 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, ®); + if (last_ret) { + last_fn = AccessConfigurationRegister; + goto cs_failed; + } + return 0; -static void wakeup_card(struct serial_info *info) + cs_failed: + cs_error(link, last_fn, last_ret); + return -ENODEV; +} + +/* + * Nokia cards are not really multiport cards. Shouldn't this + * be handled by setting the quirk entry .multi = 0 | 1 ? + */ +static void quirk_config_nokia(struct pcmcia_device *link) { - 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); + struct serial_info *info = link->priv; + + if (info->multi > 1) + info->multi = 1; +} + +static void quirk_wakeup_oxsemi(struct pcmcia_device *link) +{ + struct serial_info *info = link->priv; + + outb(12, info->c950ctrl + 1); +} + +/* 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). + */ +static void quirk_wakeup_possio_gcc(struct pcmcia_device *link) +{ + struct serial_info *info = link->priv; + unsigned int ctrl = info->c950ctrl; + + 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); +} + +/* + * Socket Dual IO: this enables irq's for second port + */ +static void quirk_config_socket(struct pcmcia_device *link) +{ + struct serial_info *info = link->priv; + + if (info->multi) { + link->conf.Present |= PRESENT_EXT_STATUS; + link->conf.ExtStatus = ESR_REQ_ATTN_ENA; } } +static const struct serial_quirk quirks[] = { + { + .manfid = 0x0160, + .prodid = 0x0104, + .multi = -1, + .setup = quirk_setup_brainboxes_0104, + }, { + .manfid = MANFID_IBM, + .prodid = ~0, + .multi = -1, + .post = quirk_post_ibm, + }, { + .manfid = MANFID_INTEL, + .prodid = PRODID_INTEL_DUAL_RS232, + .multi = 2, + }, { + .manfid = MANFID_NATINST, + .prodid = PRODID_NATINST_QUAD_RS232, + .multi = 4, + }, { + .manfid = MANFID_NOKIA, + .prodid = ~0, + .multi = -1, + .config = quirk_config_nokia, + }, { + .manfid = MANFID_OMEGA, + .prodid = PRODID_OMEGA_QSP_100, + .multi = 4, + }, { + .manfid = MANFID_OXSEMI, + .prodid = ~0, + .multi = -1, + .wakeup = quirk_wakeup_oxsemi, + }, { + .manfid = MANFID_POSSIO, + .prodid = PRODID_POSSIO_GCC, + .multi = -1, + .wakeup = quirk_wakeup_possio_gcc, + }, { + .manfid = MANFID_QUATECH, + .prodid = PRODID_QUATECH_DUAL_RS232, + .multi = 2, + }, { + .manfid = MANFID_QUATECH, + .prodid = PRODID_QUATECH_DUAL_RS232_D1, + .multi = 2, + }, { + .manfid = MANFID_QUATECH, + .prodid = PRODID_QUATECH_QUAD_RS232, + .multi = 4, + }, { + .manfid = MANFID_SOCKET, + .prodid = PRODID_SOCKET_DUAL_RS232, + .multi = 2, + .config = quirk_config_socket, + }, { + .manfid = MANFID_SOCKET, + .prodid = ~0, + .multi = -1, + .config = quirk_config_socket, + } +}; + + +static int serial_config(struct pcmcia_device * link); + + /*====================================================================== After a card is removed, serial_remove() will unregister @@ -185,14 +307,14 @@ static int serial_suspend(struct pcmcia_device *link) static int serial_resume(struct pcmcia_device *link) { - if (pcmcia_dev_present(link)) { - struct serial_info *info = link->priv; - int i; + struct serial_info *info = link->priv; + int i; - for (i = 0; i < info->ndev; i++) - serial8250_resume_port(info->line[i]); - wakeup_card(info); - } + for (i = 0; i < info->ndev; i++) + serial8250_resume_port(info->line[i]); + + if (info->quirk && info->quirk->wakeup) + info->quirk->wakeup(link); return 0; } @@ -278,6 +400,10 @@ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info, port.dev = &handle_to_dev(handle); if (buggy_uart) port.flags |= UPF_BUGGY_UART; + + if (info->quirk && info->quirk->setup) + info->quirk->setup(handle, &port); + line = serial8250_register_port(&port); if (line < 0) { printk(KERN_NOTICE "serial_cs: serial8250_register_port() at " @@ -433,6 +559,13 @@ next_entry: } if (info->multi && (info->manfid == MANFID_3COM)) link->conf.ConfigIndex &= ~(0x08); + + /* + * Apply any configuration quirks. + */ + if (info->quirk && info->quirk->config) + info->quirk->config(link); + i = pcmcia_request_configuration(link, &link->conf); if (i != CS_SUCCESS) { cs_error(link, RequestConfiguration, i); @@ -521,11 +654,13 @@ static int multi_config(struct pcmcia_device * link) cs_error(link, RequestIRQ, i); link->irq.AssignedIRQ = 0; } - /* Socket Dual IO: this enables irq's for second port */ - if (info->multi && (info->manfid == MANFID_SOCKET)) { - link->conf.Present |= PRESENT_EXT_STATUS; - link->conf.ExtStatus = ESR_REQ_ATTN_ENA; - } + + /* + * Apply any configuration quirks. + */ + if (info->quirk && info->quirk->config) + info->quirk->config(link); + i = pcmcia_request_configuration(link, &link->conf); if (i != CS_SUCCESS) { cs_error(link, RequestConfiguration, i); @@ -550,17 +685,19 @@ static int multi_config(struct pcmcia_device * link) link->irq.AssignedIRQ); } info->c950ctrl = base2; - wakeup_card(info); + + /* + * FIXME: We really should wake up the port prior to + * handing it over to the serial layer. + */ + if (info->quirk && info->quirk->wakeup) + info->quirk->wakeup(link); + rc = 0; goto free_cfg_mem; } 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(link, info, base2 + (8 * i), link->irq.AssignedIRQ); @@ -622,13 +759,16 @@ static int serial_config(struct pcmcia_device * link) tuple->DesiredTuple = CISTPL_MANFID; 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)) + info->prodid = parse->manfid.card; + + for (i = 0; i < ARRAY_SIZE(quirks); i++) + if ((quirks[i].manfid == ~0 || + quirks[i].manfid == info->manfid) && + (quirks[i].prodid == ~0 || + quirks[i].prodid == info->prodid)) { + info->quirk = &quirks[i]; break; - if (i < MULTI_COUNT) - info->multi = multi_id[i].multi; + } } /* Another check for dual-serial cards: look for either serial or @@ -648,6 +788,12 @@ static int serial_config(struct pcmcia_device * link) } } + /* + * Apply any multi-port quirk. + */ + if (info->quirk && info->quirk->multi != -1) + info->multi = info->quirk->multi; + if (info->multi > 1) multi_config(link); else @@ -656,21 +802,13 @@ static int serial_config(struct pcmcia_device * link) if (info->ndev == 0) goto failed; - if (info->manfid == MANFID_IBM) { - conf_reg_t reg = { 0, CS_READ, 0x800, 0 }; - 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, ®); - if (last_ret) { - last_fn = AccessConfigurationRegister; - goto cs_failed; - } - } + /* + * Apply any post-init quirk. FIXME: This should really happen + * before we register the port, since it might already be in use. + */ + if (info->quirk && info->quirk->post) + if (info->quirk->post(link)) + goto failed; link->dev_node = &info->node[0]; kfree(cfg_mem); diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c index b361669..ebd8d2b 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -990,7 +990,6 @@ int __init early_serial_txx9_setup(struct uart_port *port) /** * serial_txx9_suspend_port - suspend one serial port * @line: serial line number - * @level: the level of port suspension, as per uart_suspend_port * * Suspend one serial port. */ @@ -1002,7 +1001,6 @@ static void serial_txx9_suspend_port(int line) /** * serial_txx9_resume_port - resume one serial port * @line: serial line number - * @level: the level of port resumption, as per uart_resume_port * * Resume one serial port. */ |