diff options
Diffstat (limited to 'drivers/tty/serial/8250')
22 files changed, 847 insertions, 418 deletions
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index d54dcd87c67e..047a7ba6796a 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -92,6 +92,18 @@ struct serial8250_config { #define SERIAL8250_SHARE_IRQS 0 #endif +#define SERIAL8250_PORT_FLAGS(_base, _irq, _flags) \ + { \ + .iobase = _base, \ + .irq = _irq, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = UPF_BOOT_AUTOCONF | (_flags), \ + } + +#define SERIAL8250_PORT(_base, _irq) SERIAL8250_PORT_FLAGS(_base, _irq, 0) + + static inline int serial_in(struct uart_8250_port *up, int offset) { return up->port.serial_in(&up->port, offset); @@ -117,6 +129,8 @@ static inline void serial_dl_write(struct uart_8250_port *up, int value) struct uart_8250_port *serial8250_get_port(int line); void serial8250_rpm_get(struct uart_8250_port *p); void serial8250_rpm_put(struct uart_8250_port *p); +int serial8250_em485_init(struct uart_8250_port *p); +void serial8250_em485_destroy(struct uart_8250_port *p); #if defined(__alpha__) && !defined(CONFIG_PCI) /* diff --git a/drivers/tty/serial/8250/8250_accent.c b/drivers/tty/serial/8250/8250_accent.c index 34b51c651192..522aeae05192 100644 --- a/drivers/tty/serial/8250/8250_accent.c +++ b/drivers/tty/serial/8250/8250_accent.c @@ -10,18 +10,11 @@ #include <linux/init.h> #include <linux/serial_8250.h> -#define PORT(_base,_irq) \ - { \ - .iobase = _base, \ - .irq = _irq, \ - .uartclk = 1843200, \ - .iotype = UPIO_PORT, \ - .flags = UPF_BOOT_AUTOCONF, \ - } +#include "8250.h" static struct plat_serial8250_port accent_data[] = { - PORT(0x330, 4), - PORT(0x338, 4), + SERIAL8250_PORT(0x330, 4), + SERIAL8250_PORT(0x338, 4), { }, }; diff --git a/drivers/tty/serial/8250/8250_acorn.c b/drivers/tty/serial/8250/8250_acorn.c index 549aa07c0d27..402dfdd4940e 100644 --- a/drivers/tty/serial/8250/8250_acorn.c +++ b/drivers/tty/serial/8250/8250_acorn.c @@ -70,7 +70,7 @@ serial_card_probe(struct expansion_card *ec, const struct ecard_id *id) uart.port.regshift = 2; uart.port.dev = &ec->dev; - for (i = 0; i < info->num_ports; i ++) { + for (i = 0; i < info->num_ports; i++) { uart.port.membase = info->vaddr + type->offset[i]; uart.port.mapbase = bus_addr + type->offset[i]; diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c new file mode 100644 index 000000000000..ecf89f13a13b --- /dev/null +++ b/drivers/tty/serial/8250/8250_bcm2835aux.c @@ -0,0 +1,146 @@ +/* + * Serial port driver for BCM2835AUX UART + * + * Copyright (C) 2016 Martin Sperl <kernel@martin.sperl.org> + * + * Based on 8250_lpc18xx.c: + * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> + +#include "8250.h" + +struct bcm2835aux_data { + struct uart_8250_port uart; + struct clk *clk; + int line; +}; + +static int bcm2835aux_serial_probe(struct platform_device *pdev) +{ + struct bcm2835aux_data *data; + struct resource *res; + int ret; + + /* allocate the custom structure */ + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + /* initialize data */ + spin_lock_init(&data->uart.port.lock); + data->uart.capabilities = UART_CAP_FIFO; + data->uart.port.dev = &pdev->dev; + data->uart.port.regshift = 2; + data->uart.port.type = PORT_16550; + data->uart.port.iotype = UPIO_MEM; + data->uart.port.fifosize = 8; + data->uart.port.flags = UPF_SHARE_IRQ | + UPF_FIXED_PORT | + UPF_FIXED_TYPE | + UPF_SKIP_TEST; + + /* get the clock - this also enables the HW */ + data->clk = devm_clk_get(&pdev->dev, NULL); + ret = PTR_ERR_OR_ZERO(data->clk); + if (ret) { + dev_err(&pdev->dev, "could not get clk: %d\n", ret); + return ret; + } + + /* get the interrupt */ + data->uart.port.irq = platform_get_irq(pdev, 0); + if (data->uart.port.irq < 0) { + dev_err(&pdev->dev, "irq not found - %i", + data->uart.port.irq); + return data->uart.port.irq; + } + + /* map the main registers */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "memory resource not found"); + return -EINVAL; + } + data->uart.port.membase = devm_ioremap_resource(&pdev->dev, res); + ret = PTR_ERR_OR_ZERO(data->uart.port.membase); + if (ret) + return ret; + + /* Check for a fixed line number */ + ret = of_alias_get_id(pdev->dev.of_node, "serial"); + if (ret >= 0) + data->uart.port.line = ret; + + /* enable the clock as a last step */ + ret = clk_prepare_enable(data->clk); + if (ret) { + dev_err(&pdev->dev, "unable to enable uart clock - %d\n", + ret); + return ret; + } + + /* the HW-clock divider for bcm2835aux is 8, + * but 8250 expects a divider of 16, + * so we have to multiply the actual clock by 2 + * to get identical baudrates. + */ + data->uart.port.uartclk = clk_get_rate(data->clk) * 2; + + /* register the port */ + ret = serial8250_register_8250_port(&data->uart); + if (ret < 0) { + dev_err(&pdev->dev, "unable to register 8250 port - %d\n", + ret); + goto dis_clk; + } + data->line = ret; + + platform_set_drvdata(pdev, data); + + return 0; + +dis_clk: + clk_disable_unprepare(data->clk); + return ret; +} + +static int bcm2835aux_serial_remove(struct platform_device *pdev) +{ + struct bcm2835aux_data *data = platform_get_drvdata(pdev); + + serial8250_unregister_port(data->uart.port.line); + clk_disable_unprepare(data->clk); + + return 0; +} + +static const struct of_device_id bcm2835aux_serial_match[] = { + { .compatible = "brcm,bcm2835-aux-uart" }, + { }, +}; +MODULE_DEVICE_TABLE(of, bcm2835aux_serial_match); + +static struct platform_driver bcm2835aux_serial_driver = { + .driver = { + .name = "bcm2835-aux-uart", + .of_match_table = bcm2835aux_serial_match, + }, + .probe = bcm2835aux_serial_probe, + .remove = bcm2835aux_serial_remove, +}; +module_platform_driver(bcm2835aux_serial_driver); + +MODULE_DESCRIPTION("BCM2835 auxiliar UART driver"); +MODULE_AUTHOR("Martin Sperl <kernel@martin.sperl.org>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/tty/serial/8250/8250_boca.c b/drivers/tty/serial/8250/8250_boca.c index d125dc107985..a63b5998e383 100644 --- a/drivers/tty/serial/8250/8250_boca.c +++ b/drivers/tty/serial/8250/8250_boca.c @@ -10,32 +10,25 @@ #include <linux/init.h> #include <linux/serial_8250.h> -#define PORT(_base,_irq) \ - { \ - .iobase = _base, \ - .irq = _irq, \ - .uartclk = 1843200, \ - .iotype = UPIO_PORT, \ - .flags = UPF_BOOT_AUTOCONF, \ - } +#include "8250.h" static struct plat_serial8250_port boca_data[] = { - PORT(0x100, 12), - PORT(0x108, 12), - PORT(0x110, 12), - PORT(0x118, 12), - PORT(0x120, 12), - PORT(0x128, 12), - PORT(0x130, 12), - PORT(0x138, 12), - PORT(0x140, 12), - PORT(0x148, 12), - PORT(0x150, 12), - PORT(0x158, 12), - PORT(0x160, 12), - PORT(0x168, 12), - PORT(0x170, 12), - PORT(0x178, 12), + SERIAL8250_PORT(0x100, 12), + SERIAL8250_PORT(0x108, 12), + SERIAL8250_PORT(0x110, 12), + SERIAL8250_PORT(0x118, 12), + SERIAL8250_PORT(0x120, 12), + SERIAL8250_PORT(0x128, 12), + SERIAL8250_PORT(0x130, 12), + SERIAL8250_PORT(0x138, 12), + SERIAL8250_PORT(0x140, 12), + SERIAL8250_PORT(0x148, 12), + SERIAL8250_PORT(0x150, 12), + SERIAL8250_PORT(0x158, 12), + SERIAL8250_PORT(0x160, 12), + SERIAL8250_PORT(0x168, 12), + SERIAL8250_PORT(0x170, 12), + SERIAL8250_PORT(0x178, 12), { }, }; diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index c9720a97a977..77752216de0e 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -597,6 +597,7 @@ static void univ8250_console_write(struct console *co, const char *s, static int univ8250_console_setup(struct console *co, char *options) { struct uart_port *port; + int retval; /* * Check whether an invalid uart number has been specified, and @@ -609,7 +610,10 @@ static int univ8250_console_setup(struct console *co, char *options) /* link port to console */ port->cons = co; - return serial8250_console_setup(port, options, false); + retval = serial8250_console_setup(port, options, false); + if (retval != 0) + port->cons = NULL; + return retval; } /** @@ -687,7 +691,7 @@ static int __init univ8250_console_init(void) } console_initcall(univ8250_console_init); -#define SERIAL8250_CONSOLE &univ8250_console +#define SERIAL8250_CONSOLE (&univ8250_console) #else #define SERIAL8250_CONSOLE NULL #endif @@ -764,6 +768,7 @@ void serial8250_suspend_port(int line) uart_suspend_port(&serial8250_reg, port); } +EXPORT_SYMBOL(serial8250_suspend_port); /** * serial8250_resume_port - resume one serial port @@ -789,6 +794,7 @@ void serial8250_resume_port(int line) } uart_resume_port(&serial8250_reg, port); } +EXPORT_SYMBOL(serial8250_resume_port); /* * Register a set of serial devices attached to a platform device. The @@ -1093,9 +1099,8 @@ static int __init serial8250_init(void) serial8250_isa_init_ports(); - printk(KERN_INFO "Serial: 8250/16550 driver, " - "%d ports, IRQ sharing %sabled\n", nr_uarts, - share_irqs ? "en" : "dis"); + pr_info("Serial: 8250/16550 driver, %d ports, IRQ sharing %sabled\n", + nr_uarts, share_irqs ? "en" : "dis"); #ifdef CONFIG_SPARC ret = sunserial_register_minors(&serial8250_reg, UART_NR); @@ -1168,15 +1173,11 @@ static void __exit serial8250_exit(void) module_init(serial8250_init); module_exit(serial8250_exit); -EXPORT_SYMBOL(serial8250_suspend_port); -EXPORT_SYMBOL(serial8250_resume_port); - MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Generic 8250/16x50 serial driver"); module_param(share_irqs, uint, 0644); -MODULE_PARM_DESC(share_irqs, "Share IRQs with other non-8250/16x50 devices" - " (unsafe)"); +MODULE_PARM_DESC(share_irqs, "Share IRQs with other non-8250/16x50 devices (unsafe)"); module_param(nr_uarts, uint, 0644); MODULE_PARM_DESC(nr_uarts, "Maximum number of UARTs supported. (1-" __MODULE_STRING(CONFIG_SERIAL_8250_NR_UARTS) ")"); diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index a5d319e4aae6..30810acf7f96 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -95,25 +95,45 @@ static void dw8250_force_idle(struct uart_port *p) (void)p->serial_in(p, UART_RX); } -static void dw8250_serial_out(struct uart_port *p, int offset, int value) +static void dw8250_check_lcr(struct uart_port *p, int value) { - writeb(value, p->membase + (offset << p->regshift)); + void __iomem *offset = p->membase + (UART_LCR << p->regshift); + int tries = 1000; /* Make sure LCR write wasn't ignored */ - if (offset == UART_LCR) { - int tries = 1000; - while (tries--) { - unsigned int lcr = p->serial_in(p, UART_LCR); - if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) - return; - dw8250_force_idle(p); - writeb(value, p->membase + (UART_LCR << p->regshift)); - } - /* - * FIXME: this deadlocks if port->lock is already held - * dev_err(p->dev, "Couldn't set LCR to %d\n", value); - */ + while (tries--) { + unsigned int lcr = p->serial_in(p, UART_LCR); + + if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) + return; + + dw8250_force_idle(p); + +#ifdef CONFIG_64BIT + __raw_writeq(value & 0xff, offset); +#else + if (p->iotype == UPIO_MEM32) + writel(value, offset); + else if (p->iotype == UPIO_MEM32BE) + iowrite32be(value, offset); + else + writeb(value, offset); +#endif } + /* + * FIXME: this deadlocks if port->lock is already held + * dev_err(p->dev, "Couldn't set LCR to %d\n", value); + */ +} + +static void dw8250_serial_out(struct uart_port *p, int offset, int value) +{ + struct dw8250_data *d = p->private_data; + + writeb(value, p->membase + (offset << p->regshift)); + + if (offset == UART_LCR && !d->uart_16550_compatible) + dw8250_check_lcr(p, value); } static unsigned int dw8250_serial_in(struct uart_port *p, int offset) @@ -135,49 +155,26 @@ static unsigned int dw8250_serial_inq(struct uart_port *p, int offset) static void dw8250_serial_outq(struct uart_port *p, int offset, int value) { + struct dw8250_data *d = p->private_data; + value &= 0xff; __raw_writeq(value, p->membase + (offset << p->regshift)); /* Read back to ensure register write ordering. */ __raw_readq(p->membase + (UART_LCR << p->regshift)); - /* Make sure LCR write wasn't ignored */ - if (offset == UART_LCR) { - int tries = 1000; - while (tries--) { - unsigned int lcr = p->serial_in(p, UART_LCR); - if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) - return; - dw8250_force_idle(p); - __raw_writeq(value & 0xff, - p->membase + (UART_LCR << p->regshift)); - } - /* - * FIXME: this deadlocks if port->lock is already held - * dev_err(p->dev, "Couldn't set LCR to %d\n", value); - */ - } + if (offset == UART_LCR && !d->uart_16550_compatible) + dw8250_check_lcr(p, value); } #endif /* CONFIG_64BIT */ static void dw8250_serial_out32(struct uart_port *p, int offset, int value) { + struct dw8250_data *d = p->private_data; + writel(value, p->membase + (offset << p->regshift)); - /* Make sure LCR write wasn't ignored */ - if (offset == UART_LCR) { - int tries = 1000; - while (tries--) { - unsigned int lcr = p->serial_in(p, UART_LCR); - if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) - return; - dw8250_force_idle(p); - writel(value, p->membase + (UART_LCR << p->regshift)); - } - /* - * FIXME: this deadlocks if port->lock is already held - * dev_err(p->dev, "Couldn't set LCR to %d\n", value); - */ - } + if (offset == UART_LCR && !d->uart_16550_compatible) + dw8250_check_lcr(p, value); } static unsigned int dw8250_serial_in32(struct uart_port *p, int offset) @@ -187,6 +184,24 @@ static unsigned int dw8250_serial_in32(struct uart_port *p, int offset) return dw8250_modify_msr(p, offset, value); } +static void dw8250_serial_out32be(struct uart_port *p, int offset, int value) +{ + struct dw8250_data *d = p->private_data; + + iowrite32be(value, p->membase + (offset << p->regshift)); + + if (offset == UART_LCR && !d->uart_16550_compatible) + dw8250_check_lcr(p, value); +} + +static unsigned int dw8250_serial_in32be(struct uart_port *p, int offset) +{ + unsigned int value = ioread32be(p->membase + (offset << p->regshift)); + + return dw8250_modify_msr(p, offset, value); +} + + static int dw8250_handle_irq(struct uart_port *p) { struct dw8250_data *d = p->private_data; @@ -281,6 +296,11 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data) data->skip_autocfg = true; } #endif + if (of_device_is_big_endian(p->dev->of_node)) { + p->iotype = UPIO_MEM32BE; + p->serial_in = dw8250_serial_in32be; + p->serial_out = dw8250_serial_out32be; + } } else if (has_acpi_companion(p->dev)) { p->iotype = UPIO_MEM32; p->regshift = 2; @@ -309,14 +329,20 @@ static void dw8250_setup_port(struct uart_port *p) * If the Component Version Register returns zero, we know that * ADDITIONAL_FEATURES are not enabled. No need to go any further. */ - reg = readl(p->membase + DW_UART_UCV); + if (p->iotype == UPIO_MEM32BE) + reg = ioread32be(p->membase + DW_UART_UCV); + else + reg = readl(p->membase + DW_UART_UCV); if (!reg) return; dev_dbg(p->dev, "Designware UART version %c.%c%c\n", (reg >> 24) & 0xff, (reg >> 16) & 0xff, (reg >> 8) & 0xff); - reg = readl(p->membase + DW_UART_CPR); + if (p->iotype == UPIO_MEM32BE) + reg = ioread32be(p->membase + DW_UART_CPR); + else + reg = readl(p->membase + DW_UART_CPR); if (!reg) return; @@ -463,10 +489,8 @@ static int dw8250_probe(struct platform_device *pdev) dw8250_quirks(p, data); /* If the Busy Functionality is not implemented, don't handle it */ - if (data->uart_16550_compatible) { - p->serial_out = NULL; + if (data->uart_16550_compatible) p->handle_irq = NULL; - } if (!data->skip_autocfg) dw8250_setup_port(p); diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index af62131af21e..3b3dbdc1b73e 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -39,15 +39,17 @@ static unsigned int __init serial8250_early_in(struct uart_port *port, int offset) { + offset <<= port->regshift; + switch (port->iotype) { case UPIO_MEM: return readb(port->membase + offset); case UPIO_MEM16: - return readw(port->membase + (offset << 1)); + return readw(port->membase + offset); case UPIO_MEM32: - return readl(port->membase + (offset << 2)); + return readl(port->membase + offset); case UPIO_MEM32BE: - return ioread32be(port->membase + (offset << 2)); + return ioread32be(port->membase + offset); case UPIO_PORT: return inb(port->iobase + offset); default: @@ -57,18 +59,20 @@ static unsigned int __init serial8250_early_in(struct uart_port *port, int offse static void __init serial8250_early_out(struct uart_port *port, int offset, int value) { + offset <<= port->regshift; + switch (port->iotype) { case UPIO_MEM: writeb(value, port->membase + offset); break; case UPIO_MEM16: - writew(value, port->membase + (offset << 1)); + writew(value, port->membase + offset); break; case UPIO_MEM32: - writel(value, port->membase + (offset << 2)); + writel(value, port->membase + offset); break; case UPIO_MEM32BE: - iowrite32be(value, port->membase + (offset << 2)); + iowrite32be(value, port->membase + offset); break; case UPIO_PORT: outb(value, port->iobase + offset); @@ -145,3 +149,24 @@ EARLYCON_DECLARE(uart8250, early_serial8250_setup); EARLYCON_DECLARE(uart, early_serial8250_setup); OF_EARLYCON_DECLARE(ns16550, "ns16550", early_serial8250_setup); OF_EARLYCON_DECLARE(ns16550a, "ns16550a", early_serial8250_setup); + +#ifdef CONFIG_SERIAL_8250_OMAP + +static int __init early_omap8250_setup(struct earlycon_device *device, + const char *options) +{ + struct uart_port *port = &device->port; + + if (!(device->port.membase || device->port.iobase)) + return -ENODEV; + + port->regshift = 2; + device->con->write = early_serial8250_write; + return 0; +} + +OF_EARLYCON_DECLARE(omap8250, "ti,omap2-uart", early_omap8250_setup); +OF_EARLYCON_DECLARE(omap8250, "ti,omap3-uart", early_omap8250_setup); +OF_EARLYCON_DECLARE(omap8250, "ti,omap4-uart", early_omap8250_setup); + +#endif diff --git a/drivers/tty/serial/8250/8250_exar_st16c554.c b/drivers/tty/serial/8250/8250_exar_st16c554.c index bf53aabf9b5e..3a7cb8262bb9 100644 --- a/drivers/tty/serial/8250/8250_exar_st16c554.c +++ b/drivers/tty/serial/8250/8250_exar_st16c554.c @@ -13,20 +13,13 @@ #include <linux/init.h> #include <linux/serial_8250.h> -#define PORT(_base,_irq) \ - { \ - .iobase = _base, \ - .irq = _irq, \ - .uartclk = 1843200, \ - .iotype = UPIO_PORT, \ - .flags = UPF_BOOT_AUTOCONF, \ - } +#include "8250.h" static struct plat_serial8250_port exar_data[] = { - PORT(0x100, 5), - PORT(0x108, 5), - PORT(0x110, 5), - PORT(0x118, 5), + SERIAL8250_PORT(0x100, 5), + SERIAL8250_PORT(0x108, 5), + SERIAL8250_PORT(0x110, 5), + SERIAL8250_PORT(0x118, 5), { }, }; diff --git a/drivers/tty/serial/8250/8250_fourport.c b/drivers/tty/serial/8250/8250_fourport.c index be1582609626..4045180a8cfc 100644 --- a/drivers/tty/serial/8250/8250_fourport.c +++ b/drivers/tty/serial/8250/8250_fourport.c @@ -10,24 +10,20 @@ #include <linux/init.h> #include <linux/serial_8250.h> -#define PORT(_base,_irq) \ - { \ - .iobase = _base, \ - .irq = _irq, \ - .uartclk = 1843200, \ - .iotype = UPIO_PORT, \ - .flags = UPF_BOOT_AUTOCONF | UPF_FOURPORT, \ - } +#include "8250.h" + +#define SERIAL8250_FOURPORT(_base, _irq) \ + SERIAL8250_PORT_FLAGS(_base, _irq, UPF_FOURPORT) static struct plat_serial8250_port fourport_data[] = { - PORT(0x1a0, 9), - PORT(0x1a8, 9), - PORT(0x1b0, 9), - PORT(0x1b8, 9), - PORT(0x2a0, 5), - PORT(0x2a8, 5), - PORT(0x2b0, 5), - PORT(0x2b8, 5), + SERIAL8250_FOURPORT(0x1a0, 9), + SERIAL8250_FOURPORT(0x1a8, 9), + SERIAL8250_FOURPORT(0x1b0, 9), + SERIAL8250_FOURPORT(0x1b8, 9), + SERIAL8250_FOURPORT(0x2a0, 5), + SERIAL8250_FOURPORT(0x2a8, 5), + SERIAL8250_FOURPORT(0x2b0, 5), + SERIAL8250_FOURPORT(0x2b8, 5), { }, }; diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c index 2e3ea1a70d7b..b1e6ae9f1ff9 100644 --- a/drivers/tty/serial/8250/8250_gsc.c +++ b/drivers/tty/serial/8250/8250_gsc.c @@ -42,7 +42,7 @@ static int __init serial_init_chip(struct parisc_device *dev) * the user what they're missing. */ if (parisc_parent(dev)->id.hw_type != HPHW_IOA) - printk(KERN_INFO + dev_info(&dev->dev, "Serial: device 0x%llx not configured.\n" "Enable support for Wax, Lasi, Asp or Dino.\n", (unsigned long long)dev->hpa.start); @@ -66,8 +66,9 @@ static int __init serial_init_chip(struct parisc_device *dev) err = serial8250_register_8250_port(&uart); if (err < 0) { - printk(KERN_WARNING - "serial8250_register_8250_port returned error %d\n", err); + dev_warn(&dev->dev, + "serial8250_register_8250_port returned error %d\n", + err); iounmap(uart.port.membase); return err; } diff --git a/drivers/tty/serial/8250/8250_hp300.c b/drivers/tty/serial/8250/8250_hp300.c index 2891958cd842..38166db2b824 100644 --- a/drivers/tty/serial/8250/8250_hp300.c +++ b/drivers/tty/serial/8250/8250_hp300.c @@ -24,8 +24,7 @@ #endif #ifdef CONFIG_HPAPCI -struct hp300_port -{ +struct hp300_port { struct hp300_port *next; /* next port */ int line; /* line (tty) number */ }; @@ -111,7 +110,7 @@ int __init hp300_setup_serial_console(void) /* Check for APCI console */ if (scode == 256) { #ifdef CONFIG_HPAPCI - printk(KERN_INFO "Serial console is HP APCI 1\n"); + pr_info("Serial console is HP APCI 1\n"); port.uartclk = HPAPCI_BAUD_BASE * 16; port.mapbase = (FRODO_BASE + FRODO_APCI_OFFSET(1)); @@ -119,7 +118,7 @@ int __init hp300_setup_serial_console(void) port.regshift = 2; add_preferred_console("ttyS", port.line, "9600n8"); #else - printk(KERN_WARNING "Serial console is APCI but support is disabled (CONFIG_HPAPCI)!\n"); + pr_warn("Serial console is APCI but support is disabled (CONFIG_HPAPCI)!\n"); return 0; #endif } else { @@ -128,7 +127,7 @@ int __init hp300_setup_serial_console(void) if (!pa) return 0; - printk(KERN_INFO "Serial console is HP DCA at select code %d\n", scode); + pr_info("Serial console is HP DCA at select code %d\n", scode); port.uartclk = HPDCA_BAUD_BASE * 16; port.mapbase = (pa + UART_OFFSET); @@ -142,13 +141,13 @@ int __init hp300_setup_serial_console(void) if (DIO_ID(pa + DIO_VIRADDRBASE) & 0x80) add_preferred_console("ttyS", port.line, "9600n8"); #else - printk(KERN_WARNING "Serial console is DCA but support is disabled (CONFIG_HPDCA)!\n"); + pr_warn("Serial console is DCA but support is disabled (CONFIG_HPDCA)!\n"); return 0; #endif } if (early_serial_setup(&port) < 0) - printk(KERN_WARNING "hp300_setup_serial_console(): early_serial_setup() failed.\n"); + pr_warn("%s: early_serial_setup() failed.\n", __func__); return 0; } #endif /* CONFIG_SERIAL_8250_CONSOLE */ @@ -180,8 +179,9 @@ static int hpdca_init_one(struct dio_dev *d, line = serial8250_register_8250_port(&uart); if (line < 0) { - printk(KERN_NOTICE "8250_hp300: register_serial() DCA scode %d" - " irq %d failed\n", d->scode, uart.port.irq); + dev_notice(&d->dev, + "8250_hp300: register_serial() DCA scode %d irq %d failed\n", + d->scode, uart.port.irq); return -ENOMEM; } @@ -249,8 +249,8 @@ static int __init hp300_8250_init(void) /* Memory mapped I/O */ uart.port.iotype = UPIO_MEM; - uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ \ - | UPF_BOOT_AUTOCONF; + uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ + | UPF_BOOT_AUTOCONF; /* XXX - no interrupt support yet */ uart.port.irq = 0; uart.port.uartclk = HPAPCI_BAUD_BASE * 16; @@ -261,8 +261,9 @@ static int __init hp300_8250_init(void) line = serial8250_register_8250_port(&uart); if (line < 0) { - printk(KERN_NOTICE "8250_hp300: register_serial() APCI" - " %d irq %d failed\n", i, uart.port.irq); + dev_notice(uart.port.dev, + "8250_hp300: register_serial() APCI %d irq %d failed\n", + i, uart.port.irq); kfree(port); continue; } diff --git a/drivers/tty/serial/8250/8250_hub6.c b/drivers/tty/serial/8250/8250_hub6.c index a5c778e83de0..27124e21eb96 100644 --- a/drivers/tty/serial/8250/8250_hub6.c +++ b/drivers/tty/serial/8250/8250_hub6.c @@ -10,7 +10,7 @@ #include <linux/init.h> #include <linux/serial_8250.h> -#define HUB6(card,port) \ +#define HUB6(card, port) \ { \ .iobase = 0x302, \ .irq = 3, \ diff --git a/drivers/tty/serial/8250/8250_ingenic.c b/drivers/tty/serial/8250/8250_ingenic.c index d6e1ec9b4fde..b4e1d39805b2 100644 --- a/drivers/tty/serial/8250/8250_ingenic.c +++ b/drivers/tty/serial/8250/8250_ingenic.c @@ -4,6 +4,8 @@ * * Ingenic SoC UART support * + * Author: Paul Burton <paul.burton@imgtec.com> + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your @@ -18,7 +20,7 @@ #include <linux/console.h> #include <linux/io.h> #include <linux/libfdt.h> -#include <linux/module.h> +#include <linux/init.h> #include <linux/of.h> #include <linux/of_fdt.h> #include <linux/of_device.h> @@ -154,14 +156,18 @@ static void ingenic_uart_serial_out(struct uart_port *p, int offset, int value) break; case UART_IER: - /* Enable receive timeout interrupt with the - * receive line status interrupt */ + /* + * Enable receive timeout interrupt with the receive line + * status interrupt. + */ value |= (value & 0x4) << 2; break; case UART_MCR: - /* If we have enabled modem status IRQs we should enable modem - * mode. */ + /* + * If we have enabled modem status IRQs we should enable + * modem mode. + */ ier = p->serial_in(p, UART_IER); if (ier & UART_IER_MSI) @@ -297,16 +303,6 @@ out: return err; } -static int ingenic_uart_remove(struct platform_device *pdev) -{ - struct ingenic_uart_data *data = platform_get_drvdata(pdev); - - serial8250_unregister_port(data->line); - clk_disable_unprepare(data->clk_module); - clk_disable_unprepare(data->clk_baud); - return 0; -} - static const struct ingenic_uart_config jz4740_uart_config = { .tx_loadsz = 8, .fifosize = 16, @@ -329,19 +325,13 @@ static const struct of_device_id of_match[] = { { .compatible = "ingenic,jz4780-uart", .data = &jz4780_uart_config }, { /* sentinel */ } }; -MODULE_DEVICE_TABLE(of, of_match); static struct platform_driver ingenic_uart_platform_driver = { .driver = { - .name = "ingenic-uart", - .of_match_table = of_match, + .name = "ingenic-uart", + .of_match_table = of_match, + .suppress_bind_attrs = true, }, .probe = ingenic_uart_probe, - .remove = ingenic_uart_remove, }; - -module_platform_driver(ingenic_uart_platform_driver); - -MODULE_AUTHOR("Paul Burton"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Ingenic SoC UART driver"); +builtin_platform_driver(ingenic_uart_platform_driver); diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 33021c1f7d55..c7ed3d2bc8b2 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -335,6 +335,7 @@ static struct platform_driver of_platform_serial_driver = { .driver = { .name = "of_serial", .of_match_table = of_platform_serial_table, + .pm = &of_serial_pm_ops, }, .probe = of_platform_serial_probe, .remove = of_platform_serial_remove, diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index a2c0734c76e2..d710985a2e4f 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -697,6 +697,36 @@ static void omap_8250_throttle(struct uart_port *port) pm_runtime_put_autosuspend(port->dev); } +static int omap_8250_rs485_config(struct uart_port *port, + struct serial_rs485 *rs485) +{ + struct uart_8250_port *up = up_to_u8250p(port); + + /* Clamp the delays to [0, 100ms] */ + rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); + rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); + + port->rs485 = *rs485; + + /* + * Both serial8250_em485_init and serial8250_em485_destroy + * are idempotent + */ + if (rs485->flags & SER_RS485_ENABLED) { + int ret = serial8250_em485_init(up); + + if (ret) { + rs485->flags &= ~SER_RS485_ENABLED; + port->rs485.flags &= ~SER_RS485_ENABLED; + } + return ret; + } + + serial8250_em485_destroy(up); + + return 0; +} + static void omap_8250_unthrottle(struct uart_port *port) { unsigned long flags; @@ -1146,6 +1176,7 @@ static int omap8250_probe(struct platform_device *pdev) up.port.shutdown = omap_8250_shutdown; up.port.throttle = omap_8250_throttle; up.port.unthrottle = omap_8250_unthrottle; + up.port.rs485_config = omap_8250_rs485_config; if (pdev->dev.of_node) { const struct of_device_id *id; diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 7cd6f9a90542..8f8d5c59c818 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -721,7 +721,7 @@ static int pci_ni8430_init(struct pci_dev *dev) */ pcibios_resource_to_bus(dev->bus, ®ion, &dev->resource[bar]); device_window = ((region.start + MITE_IOWBSR1_WIN_OFFSET) & 0xffffff00) - | MITE_IOWBSR1_WENAB | MITE_IOWBSR1_WSIZE; + | MITE_IOWBSR1_WENAB | MITE_IOWBSR1_WSIZE; writel(device_window, p + MITE_IOWBSR1); /* Set window access to go to RAMSEL IO address space */ @@ -803,12 +803,12 @@ static int pci_netmos_9900_numports(struct pci_dev *dev) unsigned int pi; unsigned short sub_serports; - pi = (c & 0xff); + pi = c & 0xff; - if (pi == 2) { + if (pi == 2) return 1; - } else if ((pi == 0) && - (dev->device == PCI_DEVICE_ID_NETMOS_9900)) { + + if ((pi == 0) && (dev->device == PCI_DEVICE_ID_NETMOS_9900)) { /* two possibilities: 0x30ps encodes number of parallel and * serial ports, or 0x1000 indicates *something*. This is not * immediately obvious, since the 2s1p+4s configuration seems @@ -816,12 +816,12 @@ static int pci_netmos_9900_numports(struct pci_dev *dev) * advertising the same function 3 as the 4s+2s1p config. */ sub_serports = dev->subsystem_device & 0xf; - if (sub_serports > 0) { + if (sub_serports > 0) return sub_serports; - } else { - dev_err(&dev->dev, "NetMos/Mostech serial driver ignoring port on ambiguous config.\n"); - return 0; - } + + dev_err(&dev->dev, + "NetMos/Mostech serial driver ignoring port on ambiguous config.\n"); + return 0; } moan_device("unknown NetMos/Mostech program interface", dev); @@ -842,21 +842,21 @@ static int pci_netmos_init(struct pci_dev *dev) return 0; switch (dev->device) { /* FALLTHROUGH on all */ - case PCI_DEVICE_ID_NETMOS_9904: - case PCI_DEVICE_ID_NETMOS_9912: - case PCI_DEVICE_ID_NETMOS_9922: - case PCI_DEVICE_ID_NETMOS_9900: - num_serial = pci_netmos_9900_numports(dev); - break; + case PCI_DEVICE_ID_NETMOS_9904: + case PCI_DEVICE_ID_NETMOS_9912: + case PCI_DEVICE_ID_NETMOS_9922: + case PCI_DEVICE_ID_NETMOS_9900: + num_serial = pci_netmos_9900_numports(dev); + break; - default: - if (num_serial == 0 ) { - moan_device("unknown NetMos/Mostech device", dev); - } + default: + break; } - if (num_serial == 0) + if (num_serial == 0) { + moan_device("unknown NetMos/Mostech device", dev); return -ENODEV; + } return num_serial; } @@ -1198,8 +1198,9 @@ static int pci_quatech_has_qmcr(struct uart_8250_port *port) static int pci_quatech_test(struct uart_8250_port *port) { - u8 reg; - u8 qopr = pci_quatech_rqopr(port); + u8 reg, qopr; + + qopr = pci_quatech_rqopr(port); pci_quatech_wqopr(port, qopr & QPCR_TEST_FOR1); reg = pci_quatech_rqopr(port) & 0xC0; if (reg != QPCR_TEST_GET1) @@ -1286,6 +1287,7 @@ static int pci_quatech_init(struct pci_dev *dev) unsigned long base = pci_resource_start(dev, 0); if (base) { u32 tmp; + outl(inl(base + 0x38) | 0x00002000, base + 0x38); tmp = inl(base + 0x3c); outl(tmp | 0x01000000, base + 0x3c); @@ -1334,29 +1336,6 @@ static int pci_default_setup(struct serial_private *priv, return setup_port(priv, port, bar, offset, board->reg_shift); } -static int pci_pericom_setup(struct serial_private *priv, - const struct pciserial_board *board, - struct uart_8250_port *port, int idx) -{ - unsigned int bar, offset = board->first_offset, maxnr; - - bar = FL_GET_BASE(board->flags); - if (board->flags & FL_BASE_BARS) - bar += idx; - else - offset += idx * board->uart_offset; - - maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) >> - (board->reg_shift + 3); - - if (board->flags & FL_REGION_SZ_CAP && idx >= maxnr) - return 1; - - port->port.uartclk = 14745600; - - return setup_port(priv, port, bar, offset, board->reg_shift); -} - static int ce4100_serial_setup(struct serial_private *priv, const struct pciserial_board *board, @@ -1541,10 +1520,9 @@ pci_brcm_trumanage_setup(struct serial_private *priv, static int pci_fintek_rs485_config(struct uart_port *port, struct serial_rs485 *rs485) { + struct pci_dev *pci_dev = to_pci_dev(port->dev); u8 setting; u8 *index = (u8 *) port->private_data; - struct pci_dev *pci_dev = container_of(port->dev, struct pci_dev, - dev); pci_read_config_byte(pci_dev, 0x40 + 8 * *index + 7, &setting); @@ -1766,7 +1744,7 @@ xr17v35x_has_slave(struct serial_private *priv) const int dev_id = priv->dev->device; return ((dev_id == PCI_DEVICE_ID_EXAR_XR17V4358) || - (dev_id == PCI_DEVICE_ID_EXAR_XR17V8358)); + (dev_id == PCI_DEVICE_ID_EXAR_XR17V8358)); } static int @@ -1866,8 +1844,8 @@ pci_fastcom335_setup(struct serial_private *priv, static int pci_wch_ch353_setup(struct serial_private *priv, - const struct pciserial_board *board, - struct uart_8250_port *port, int idx) + const struct pciserial_board *board, + struct uart_8250_port *port, int idx) { port->port.flags |= UPF_FIXED_TYPE; port->port.type = PORT_16550A; @@ -1876,8 +1854,8 @@ pci_wch_ch353_setup(struct serial_private *priv, static int pci_wch_ch38x_setup(struct serial_private *priv, - const struct pciserial_board *board, - struct uart_8250_port *port, int idx) + const struct pciserial_board *board, + struct uart_8250_port *port, int idx) { port->port.flags |= UPF_FIXED_TYPE; port->port.type = PORT_16850; @@ -2246,16 +2224,6 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .exit = pci_plx9050_exit, }, /* - * Pericom - */ - { - .vendor = PCI_VENDOR_ID_PERICOM, - .device = PCI_ANY_ID, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - .setup = pci_pericom_setup, - }, - /* * PLX */ { @@ -4538,7 +4506,7 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_bt_2_921600 }, { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI958, - PCI_ANY_ID , PCI_ANY_ID, 0, 0, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b2_8_1152000 }, /* diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c index 658b392d1170..34f05ed78b68 100644 --- a/drivers/tty/serial/8250/8250_pnp.c +++ b/drivers/tty/serial/8250/8250_pnp.c @@ -357,8 +357,8 @@ static const struct pnp_device_id pnp_dev_table[] = { /* Fujitsu Wacom 1FGT Tablet PC device */ { "FUJ02E9", 0 }, /* - * LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in - * disguise) + * LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 + * in disguise). */ { "LTS0001", 0 }, /* Rockwell's (PORALiNK) 33600 INT PNP */ @@ -367,12 +367,14 @@ static const struct pnp_device_id pnp_dev_table[] = { { "PNPCXXX", UNKNOWN_DEV }, /* More unknown PnP modems */ { "PNPDXXX", UNKNOWN_DEV }, - /* Winbond CIR port, should not be probed. We should keep track - of it to prevent the legacy serial driver from probing it */ + /* + * Winbond CIR port, should not be probed. We should keep track of + * it to prevent the legacy serial driver from probing it. + */ { "WEC1022", CIR_PORT }, /* - * SMSC IrCC SIR/FIR port, should not be probed by serial driver - * as well so its own driver can bind to it. + * SMSC IrCC SIR/FIR port, should not be probed by serial driver as + * well so its own driver can bind to it. */ { "SMCF010", CIR_PORT }, { "", 0 } @@ -380,35 +382,35 @@ static const struct pnp_device_id pnp_dev_table[] = { MODULE_DEVICE_TABLE(pnp, pnp_dev_table); -static char *modem_names[] = { +static const char *modem_names[] = { "MODEM", "Modem", "modem", "FAX", "Fax", "fax", "56K", "56k", "K56", "33.6", "28.8", "14.4", "33,600", "28,800", "14,400", "33.600", "28.800", "14.400", "33600", "28800", "14400", "V.90", "V.34", "V.32", NULL }; -static int check_name(char *name) +static bool check_name(const char *name) { - char **tmp; + const char **tmp; for (tmp = modem_names; *tmp; tmp++) if (strstr(name, *tmp)) - return 1; + return true; - return 0; + return false; } -static int check_resources(struct pnp_dev *dev) +static bool check_resources(struct pnp_dev *dev) { - resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8}; - int i; + static const resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8}; + unsigned int i; for (i = 0; i < ARRAY_SIZE(base); i++) { if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8)) - return 1; + return true; } - return 0; + return false; } /* @@ -425,8 +427,8 @@ static int check_resources(struct pnp_dev *dev) static int serial_pnp_guess_board(struct pnp_dev *dev) { if (!(check_name(pnp_dev_name(dev)) || - (dev->card && check_name(dev->card->name)))) - return -ENODEV; + (dev->card && check_name(dev->card->name)))) + return -ENODEV; if (check_resources(dev)) return 0; @@ -462,11 +464,11 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) } else return -ENODEV; -#ifdef SERIAL_DEBUG_PNP - printk(KERN_DEBUG - "Setup PNP port: port %x, mem 0x%lx, irq %d, type %d\n", - uart.port.iobase, uart.port.mapbase, uart.port.irq, uart.port.iotype); -#endif + dev_dbg(&dev->dev, + "Setup PNP port: port %lx, mem %pa, irq %d, type %d\n", + uart.port.iobase, &uart.port.mapbase, + uart.port.irq, uart.port.iotype); + if (flags & CIR_PORT) { uart.port.flags |= UPF_FIXED_PORT | UPF_FIXED_TYPE; uart.port.type = PORT_8250_CIR; diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 8d262bce97e4..e376cfaf8ab7 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -37,6 +37,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/pm_runtime.h> +#include <linux/timer.h> #include <asm/io.h> #include <asm/irq.h> @@ -52,7 +53,7 @@ #define DEBUG_AUTOCONF(fmt...) do { } while (0) #endif -#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) /* * Here we define the default xmit fifo size used for each type of UART. @@ -250,9 +251,11 @@ static const struct serial8250_config uart_config[] = { .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, .flags = UART_CAP_FIFO | UART_CAP_AFE, }, -/* tx_loadsz is set to 63-bytes instead of 64-bytes to implement -workaround of errata A-008006 which states that tx_loadsz should be -configured less than Maximum supported fifo bytes */ + /* + * tx_loadsz is set to 63-bytes instead of 64-bytes to implement + * workaround of errata A-008006 which states that tx_loadsz should + * be configured less than Maximum supported fifo bytes. + */ [PORT_16550A_FSL64] = { .name = "16550A_FSL64", .fifo_size = 64, @@ -522,6 +525,20 @@ static void serial8250_clear_fifos(struct uart_8250_port *p) } } +static inline void serial8250_em485_rts_after_send(struct uart_8250_port *p) +{ + unsigned char mcr = serial_in(p, UART_MCR); + + if (p->port.rs485.flags & SER_RS485_RTS_AFTER_SEND) + mcr |= UART_MCR_RTS; + else + mcr &= ~UART_MCR_RTS; + serial_out(p, UART_MCR, mcr); +} + +static void serial8250_em485_handle_start_tx(unsigned long arg); +static void serial8250_em485_handle_stop_tx(unsigned long arg); + void serial8250_clear_and_reinit_fifos(struct uart_8250_port *p) { serial8250_clear_fifos(p); @@ -546,6 +563,73 @@ void serial8250_rpm_put(struct uart_8250_port *p) } EXPORT_SYMBOL_GPL(serial8250_rpm_put); +/** + * serial8250_em485_init() - put uart_8250_port into rs485 emulating + * @p: uart_8250_port port instance + * + * The function is used to start rs485 software emulating on the + * &struct uart_8250_port* @p. Namely, RTS is switched before/after + * transmission. The function is idempotent, so it is safe to call it + * multiple times. + * + * The caller MUST enable interrupt on empty shift register before + * calling serial8250_em485_init(). This interrupt is not a part of + * 8250 standard, but implementation defined. + * + * The function is supposed to be called from .rs485_config callback + * or from any other callback protected with p->port.lock spinlock. + * + * See also serial8250_em485_destroy() + * + * Return 0 - success, -errno - otherwise + */ +int serial8250_em485_init(struct uart_8250_port *p) +{ + if (p->em485 != NULL) + return 0; + + p->em485 = kmalloc(sizeof(struct uart_8250_em485), GFP_KERNEL); + if (p->em485 == NULL) + return -ENOMEM; + + setup_timer(&p->em485->stop_tx_timer, + serial8250_em485_handle_stop_tx, (unsigned long)p); + setup_timer(&p->em485->start_tx_timer, + serial8250_em485_handle_start_tx, (unsigned long)p); + p->em485->active_timer = NULL; + + serial8250_em485_rts_after_send(p); + + return 0; +} +EXPORT_SYMBOL_GPL(serial8250_em485_init); + +/** + * serial8250_em485_destroy() - put uart_8250_port into normal state + * @p: uart_8250_port port instance + * + * The function is used to stop rs485 software emulating on the + * &struct uart_8250_port* @p. The function is idempotent, so it is safe to + * call it multiple times. + * + * The function is supposed to be called from .rs485_config callback + * or from any other callback protected with p->port.lock spinlock. + * + * See also serial8250_em485_init() + */ +void serial8250_em485_destroy(struct uart_8250_port *p) +{ + if (p->em485 == NULL) + return; + + del_timer(&p->em485->start_tx_timer); + del_timer(&p->em485->stop_tx_timer); + + kfree(p->em485); + p->em485 = NULL; +} +EXPORT_SYMBOL_GPL(serial8250_em485_destroy); + /* * These two wrappers ensure that enable_runtime_pm_tx() can be called more than * once and disable_runtime_pm_tx() will still disable RPM because the fifo is @@ -731,22 +815,16 @@ static int size_fifo(struct uart_8250_port *up) */ static unsigned int autoconfig_read_divisor_id(struct uart_8250_port *p) { - unsigned char old_dll, old_dlm, old_lcr; - unsigned int id; + unsigned char old_lcr; + unsigned int id, old_dl; old_lcr = serial_in(p, UART_LCR); serial_out(p, UART_LCR, UART_LCR_CONF_MODE_A); + old_dl = serial_dl_read(p); + serial_dl_write(p, 0); + id = serial_dl_read(p); + serial_dl_write(p, old_dl); - old_dll = serial_in(p, UART_DLL); - old_dlm = serial_in(p, UART_DLM); - - serial_out(p, UART_DLL, 0); - serial_out(p, UART_DLM, 0); - - id = serial_in(p, UART_DLL) | serial_in(p, UART_DLM) << 8; - - serial_out(p, UART_DLL, old_dll); - serial_out(p, UART_DLM, old_dlm); serial_out(p, UART_LCR, old_lcr); return id; @@ -1238,8 +1316,7 @@ static void autoconfig(struct uart_8250_port *up) out_lock: spin_unlock_irqrestore(&port->lock, flags); if (up->capabilities != old_capabilities) { - printk(KERN_WARNING - "ttyS%d: detected caps %08x should be %08x\n", + pr_warn("ttyS%d: detected caps %08x should be %08x\n", serial_index(port), old_capabilities, up->capabilities); } @@ -1304,7 +1381,69 @@ static void autoconfig_irq(struct uart_8250_port *up) port->irq = (irq > 0) ? irq : 0; } -static inline void __stop_tx(struct uart_8250_port *p) +static void serial8250_stop_rx(struct uart_port *port) +{ + struct uart_8250_port *up = up_to_u8250p(port); + + serial8250_rpm_get(up); + + up->ier &= ~(UART_IER_RLSI | UART_IER_RDI); + up->port.read_status_mask &= ~UART_LSR_DR; + serial_port_out(port, UART_IER, up->ier); + + serial8250_rpm_put(up); +} + +static void __do_stop_tx_rs485(struct uart_8250_port *p) +{ + if (!p->em485) + return; + + serial8250_em485_rts_after_send(p); + /* + * Empty the RX FIFO, we are not interested in anything + * received during the half-duplex transmission. + */ + if (!(p->port.rs485.flags & SER_RS485_RX_DURING_TX)) + serial8250_clear_fifos(p); +} + +static void serial8250_em485_handle_stop_tx(unsigned long arg) +{ + struct uart_8250_port *p = (struct uart_8250_port *)arg; + struct uart_8250_em485 *em485 = p->em485; + unsigned long flags; + + spin_lock_irqsave(&p->port.lock, flags); + if (em485 && + em485->active_timer == &em485->stop_tx_timer) { + __do_stop_tx_rs485(p); + em485->active_timer = NULL; + } + spin_unlock_irqrestore(&p->port.lock, flags); +} + +static void __stop_tx_rs485(struct uart_8250_port *p) +{ + struct uart_8250_em485 *em485 = p->em485; + + if (!em485) + return; + + /* + * __do_stop_tx_rs485 is going to set RTS according to config + * AND flush RX FIFO if required. + */ + if (p->port.rs485.delay_rts_after_send > 0) { + em485->active_timer = &em485->stop_tx_timer; + mod_timer(&em485->stop_tx_timer, jiffies + + p->port.rs485.delay_rts_after_send * HZ / 1000); + } else { + __do_stop_tx_rs485(p); + } +} + +static inline void __do_stop_tx(struct uart_8250_port *p) { if (p->ier & UART_IER_THRI) { p->ier &= ~UART_IER_THRI; @@ -1313,6 +1452,28 @@ static inline void __stop_tx(struct uart_8250_port *p) } } +static inline void __stop_tx(struct uart_8250_port *p) +{ + struct uart_8250_em485 *em485 = p->em485; + + if (em485) { + unsigned char lsr = serial_in(p, UART_LSR); + /* + * To provide required timeing and allow FIFO transfer, + * __stop_tx_rs485 must be called only when both FIFO and + * shift register are empty. It is for device driver to enable + * interrupt on TEMT. + */ + if ((lsr & BOTH_EMPTY) != BOTH_EMPTY) + return; + + del_timer(&em485->start_tx_timer); + em485->active_timer = NULL; + } + __do_stop_tx(p); + __stop_tx_rs485(p); +} + static void serial8250_stop_tx(struct uart_port *port) { struct uart_8250_port *up = up_to_u8250p(port); @@ -1330,12 +1491,10 @@ static void serial8250_stop_tx(struct uart_port *port) serial8250_rpm_put(up); } -static void serial8250_start_tx(struct uart_port *port) +static inline void __start_tx(struct uart_port *port) { struct uart_8250_port *up = up_to_u8250p(port); - serial8250_rpm_get_tx(up); - if (up->dma && !up->dma->tx_dma(up)) return; @@ -1345,6 +1504,7 @@ static void serial8250_start_tx(struct uart_port *port) if (up->bugs & UART_BUG_TXEN) { unsigned char lsr; + lsr = serial_in(up, UART_LSR); up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; if (lsr & UART_LSR_THRE) @@ -1361,27 +1521,78 @@ static void serial8250_start_tx(struct uart_port *port) } } -static void serial8250_throttle(struct uart_port *port) +static inline void start_tx_rs485(struct uart_port *port) { - port->throttle(port); + struct uart_8250_port *up = up_to_u8250p(port); + struct uart_8250_em485 *em485 = up->em485; + unsigned char mcr; + + if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) + serial8250_stop_rx(&up->port); + + del_timer(&em485->stop_tx_timer); + em485->active_timer = NULL; + + mcr = serial_in(up, UART_MCR); + if (!!(up->port.rs485.flags & SER_RS485_RTS_ON_SEND) != + !!(mcr & UART_MCR_RTS)) { + if (up->port.rs485.flags & SER_RS485_RTS_ON_SEND) + mcr |= UART_MCR_RTS; + else + mcr &= ~UART_MCR_RTS; + serial_out(up, UART_MCR, mcr); + + if (up->port.rs485.delay_rts_before_send > 0) { + em485->active_timer = &em485->start_tx_timer; + mod_timer(&em485->start_tx_timer, jiffies + + up->port.rs485.delay_rts_before_send * HZ / 1000); + return; + } + } + + __start_tx(port); } -static void serial8250_unthrottle(struct uart_port *port) +static void serial8250_em485_handle_start_tx(unsigned long arg) { - port->unthrottle(port); + struct uart_8250_port *p = (struct uart_8250_port *)arg; + struct uart_8250_em485 *em485 = p->em485; + unsigned long flags; + + spin_lock_irqsave(&p->port.lock, flags); + if (em485 && + em485->active_timer == &em485->start_tx_timer) { + __start_tx(&p->port); + em485->active_timer = NULL; + } + spin_unlock_irqrestore(&p->port.lock, flags); } -static void serial8250_stop_rx(struct uart_port *port) +static void serial8250_start_tx(struct uart_port *port) { struct uart_8250_port *up = up_to_u8250p(port); + struct uart_8250_em485 *em485 = up->em485; - serial8250_rpm_get(up); + serial8250_rpm_get_tx(up); - up->ier &= ~(UART_IER_RLSI | UART_IER_RDI); - up->port.read_status_mask &= ~UART_LSR_DR; - serial_port_out(port, UART_IER, up->ier); + if (em485 && + em485->active_timer == &em485->start_tx_timer) + return; - serial8250_rpm_put(up); + if (em485) + start_tx_rs485(port); + else + __start_tx(port); +} + +static void serial8250_throttle(struct uart_port *port) +{ + port->throttle(port); +} + +static void serial8250_unthrottle(struct uart_port *port) +{ + port->unthrottle(port); } static void serial8250_disable_ms(struct uart_port *port) @@ -1412,81 +1623,85 @@ static void serial8250_enable_ms(struct uart_port *port) serial8250_rpm_put(up); } +static void serial8250_read_char(struct uart_8250_port *up, unsigned char lsr) +{ + struct uart_port *port = &up->port; + unsigned char ch; + char flag = TTY_NORMAL; + + if (likely(lsr & UART_LSR_DR)) + ch = serial_in(up, UART_RX); + else + /* + * Intel 82571 has a Serial Over Lan device that will + * set UART_LSR_BI without setting UART_LSR_DR when + * it receives a break. To avoid reading from the + * receive buffer without UART_LSR_DR bit set, we + * just force the read character to be 0 + */ + ch = 0; + + port->icount.rx++; + + lsr |= up->lsr_saved_flags; + up->lsr_saved_flags = 0; + + if (unlikely(lsr & UART_LSR_BRK_ERROR_BITS)) { + if (lsr & UART_LSR_BI) { + lsr &= ~(UART_LSR_FE | UART_LSR_PE); + port->icount.brk++; + /* + * We do the SysRQ and SAK checking + * here because otherwise the break + * may get masked by ignore_status_mask + * or read_status_mask. + */ + if (uart_handle_break(port)) + return; + } else if (lsr & UART_LSR_PE) + port->icount.parity++; + else if (lsr & UART_LSR_FE) + port->icount.frame++; + if (lsr & UART_LSR_OE) + port->icount.overrun++; + + /* + * Mask off conditions which should be ignored. + */ + lsr &= port->read_status_mask; + + if (lsr & UART_LSR_BI) { + DEBUG_INTR("handling break...."); + flag = TTY_BREAK; + } else if (lsr & UART_LSR_PE) + flag = TTY_PARITY; + else if (lsr & UART_LSR_FE) + flag = TTY_FRAME; + } + if (uart_handle_sysrq_char(port, ch)) + return; + + uart_insert_char(port, lsr, UART_LSR_OE, ch, flag); +} + /* * serial8250_rx_chars: processes according to the passed in LSR * value, and returns the remaining LSR bits not handled * by this Rx routine. */ -unsigned char -serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) +unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) { struct uart_port *port = &up->port; - unsigned char ch; int max_count = 256; - char flag; do { - if (likely(lsr & UART_LSR_DR)) - ch = serial_in(up, UART_RX); - else - /* - * Intel 82571 has a Serial Over Lan device that will - * set UART_LSR_BI without setting UART_LSR_DR when - * it receives a break. To avoid reading from the - * receive buffer without UART_LSR_DR bit set, we - * just force the read character to be 0 - */ - ch = 0; - - flag = TTY_NORMAL; - port->icount.rx++; - - lsr |= up->lsr_saved_flags; - up->lsr_saved_flags = 0; - - if (unlikely(lsr & UART_LSR_BRK_ERROR_BITS)) { - if (lsr & UART_LSR_BI) { - lsr &= ~(UART_LSR_FE | UART_LSR_PE); - port->icount.brk++; - /* - * We do the SysRQ and SAK checking - * here because otherwise the break - * may get masked by ignore_status_mask - * or read_status_mask. - */ - if (uart_handle_break(port)) - goto ignore_char; - } else if (lsr & UART_LSR_PE) - port->icount.parity++; - else if (lsr & UART_LSR_FE) - port->icount.frame++; - if (lsr & UART_LSR_OE) - port->icount.overrun++; - - /* - * Mask off conditions which should be ignored. - */ - lsr &= port->read_status_mask; - - if (lsr & UART_LSR_BI) { - DEBUG_INTR("handling break...."); - flag = TTY_BREAK; - } else if (lsr & UART_LSR_PE) - flag = TTY_PARITY; - else if (lsr & UART_LSR_FE) - flag = TTY_FRAME; - } - if (uart_handle_sysrq_char(port, ch)) - goto ignore_char; - - uart_insert_char(port, lsr, UART_LSR_OE, ch, flag); - -ignore_char: + serial8250_read_char(up, lsr); + if (--max_count == 0) + break; lsr = serial_in(up, UART_LSR); - } while ((lsr & (UART_LSR_DR | UART_LSR_BI)) && (--max_count > 0)); - spin_unlock(&port->lock); + } while (lsr & (UART_LSR_DR | UART_LSR_BI)); + tty_flip_buffer_push(&port->state->port); - spin_lock(&port->lock); return lsr; } EXPORT_SYMBOL_GPL(serial8250_rx_chars); @@ -1519,11 +1734,9 @@ void serial8250_tx_chars(struct uart_8250_port *up) port->icount.tx++; if (uart_circ_empty(xmit)) break; - if (up->capabilities & UART_CAP_HFIFO) { - if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) != - BOTH_EMPTY) - break; - } + if ((up->capabilities & UART_CAP_HFIFO) && + (serial_in(up, UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY) + break; } while (--count > 0); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) @@ -1752,6 +1965,7 @@ static 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) { unsigned int tmout; + for (tmout = 1000000; tmout; tmout--) { unsigned int msr = serial_in(up, UART_MSR); up->msr_saved_flags |= msr & MSR_SAVE_FLAGS; @@ -1985,23 +2199,23 @@ int serial8250_do_startup(struct uart_port *port) serial8250_set_mctrl(port, port->mctrl); - /* Serial over Lan (SoL) hack: - Intel 8257x Gigabit ethernet chips have a - 16550 emulation, to be used for Serial Over Lan. - Those chips take a longer time than a normal - serial device to signalize that a transmission - data was queued. Due to that, the above test generally - fails. One solution would be to delay the reading of - iir. However, this is not reliable, since the timeout - is variable. So, let's just don't test if we receive - TX irq. This way, we'll never enable UART_BUG_TXEN. + /* + * Serial over Lan (SoL) hack: + * Intel 8257x Gigabit ethernet chips have a 16550 emulation, to be + * used for Serial Over Lan. Those chips take a longer time than a + * normal serial device to signalize that a transmission data was + * queued. Due to that, the above test generally fails. One solution + * would be to delay the reading of iir. However, this is not + * reliable, since the timeout is variable. So, let's just don't + * test if we receive TX irq. This way, we'll never enable + * UART_BUG_TXEN. */ if (up->port.flags & UPF_NO_TXEN_TEST) goto dont_test_tx_en; /* - * Do a quick test to see if we receive an - * interrupt when we enable the TX irq. + * Do a quick test to see if we receive an interrupt when we enable + * the TX irq. */ serial_port_out(port, UART_IER, UART_IER_THRI); lsr = serial_port_in(port, UART_LSR); @@ -2084,8 +2298,12 @@ void serial8250_do_shutdown(struct uart_port *port) /* * Disable interrupts from this port */ + spin_lock_irqsave(&port->lock, flags); up->ier = 0; serial_port_out(port, UART_IER, 0); + spin_unlock_irqrestore(&port->lock, flags); + + synchronize_irq(port->irq); if (up->dma) serial8250_release_dma(up); @@ -2251,9 +2469,9 @@ static void serial8250_set_divisor(struct uart_port *port, unsigned int baud, serial_port_out(port, 0x2, quot_frac); } -static unsigned int -serial8250_get_baud_rate(struct uart_port *port, struct ktermios *termios, - struct ktermios *old) +static unsigned int serial8250_get_baud_rate(struct uart_port *port, + struct ktermios *termios, + struct ktermios *old) { unsigned int tolerance = port->uartclk / 100; @@ -2270,7 +2488,7 @@ serial8250_get_baud_rate(struct uart_port *port, struct ktermios *termios, void serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, - struct ktermios *old) + struct ktermios *old) { struct uart_8250_port *up = up_to_u8250p(port); unsigned char cval; @@ -2745,8 +2963,7 @@ serial8250_verify_port(struct uart_port *port, struct serial_struct *ser) return 0; } -static const char * -serial8250_type(struct uart_port *port) +static const char *serial8250_type(struct uart_port *port) { int type = port->type; diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index b03cb5175113..67ad6b0d595b 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -272,6 +272,30 @@ config SERIAL_8250_ACORN system, say Y to this option. The driver can handle 1, 2, or 3 port cards. If unsure, say N. +config SERIAL_8250_BCM2835AUX + tristate "BCM2835 auxiliar mini UART support" + depends on ARCH_BCM2835 || COMPILE_TEST + depends on SERIAL_8250 && SERIAL_8250_SHARE_IRQ + help + Support for the BCM2835 auxiliar mini UART. + + Features and limitations of the UART are + Registers are similar to 16650 registers, + set bits in the control registers that are unsupported + are ignored and read back as 0 + 7/8 bit operation with 1 start and 1 stop bit + 8 symbols deep fifo for rx and tx + SW controlled RTS and SW readable CTS + Clock rate derived from system clock + Uses 8 times oversampling (compared to 16 times for 16650) + Missing break detection (but break generation) + Missing framing error detection + Missing parity bit + Missing receive time-out interrupt + Missing DCD, DSR, DTR and RI signals + + If unsure, say N. + config SERIAL_8250_FSL bool depends on SERIAL_8250_CONSOLE diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile index b9b9bca5b6c3..5c1869fdfd4c 100644 --- a/drivers/tty/serial/8250/Makefile +++ b/drivers/tty/serial/8250/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_SERIAL_8250_PCI) += 8250_pci.o obj-$(CONFIG_SERIAL_8250_HP300) += 8250_hp300.o obj-$(CONFIG_SERIAL_8250_CS) += serial_cs.o obj-$(CONFIG_SERIAL_8250_ACORN) += 8250_acorn.o +obj-$(CONFIG_SERIAL_8250_BCM2835AUX) += 8250_bcm2835aux.o obj-$(CONFIG_SERIAL_8250_CONSOLE) += 8250_early.o obj-$(CONFIG_SERIAL_8250_FOURPORT) += 8250_fourport.o obj-$(CONFIG_SERIAL_8250_ACCENT) += 8250_accent.o diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c index 4d180c9423ef..933c2688dd7e 100644 --- a/drivers/tty/serial/8250/serial_cs.c +++ b/drivers/tty/serial/8250/serial_cs.c @@ -28,7 +28,7 @@ and other provisions required by the GPL. If you do not delete the provisions above, a recipient may use your version of this file under either the MPL or the GPL. - + ======================================================================*/ #include <linux/module.h> @@ -257,7 +257,7 @@ static const struct serial_quirk quirks[] = { }; -static int serial_config(struct pcmcia_device * link); +static int serial_config(struct pcmcia_device *link); static void serial_remove(struct pcmcia_device *link) @@ -309,7 +309,7 @@ static int serial_probe(struct pcmcia_device *link) dev_dbg(&link->dev, "serial_attach()\n"); /* Create new serial device */ - info = kzalloc(sizeof (*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; info->p_dev = link; @@ -339,7 +339,7 @@ static void serial_detach(struct pcmcia_device *link) /*====================================================================*/ -static int setup_serial(struct pcmcia_device *handle, struct serial_info * info, +static int setup_serial(struct pcmcia_device *handle, struct serial_info *info, unsigned int iobase, int irq) { struct uart_8250_port uart; @@ -441,16 +441,20 @@ static int simple_config(struct pcmcia_device *link) struct serial_info *info = link->priv; int i = -ENODEV, try; - /* First pass: look for a config entry that looks normal. - * Two tries: without IO aliases, then with aliases */ + /* + * First pass: look for a config entry that looks normal. + * Two tries: without IO aliases, then with aliases. + */ link->config_flags |= CONF_AUTO_SET_VPP; for (try = 0; try < 4; try++) if (!pcmcia_loop_config(link, simple_config_check, &try)) goto found_port; - /* 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. */ + /* + * 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. + */ if (!pcmcia_loop_config(link, simple_config_check_notpicky, NULL)) goto found_port; @@ -480,8 +484,10 @@ static int multi_config_check(struct pcmcia_device *p_dev, void *priv_data) if (p_dev->resource[1]->end) return -EINVAL; - /* The quad port cards have bad CIS's, so just look for a - window larger than 8 ports and assume it will be right */ + /* + * The quad port cards have bad CIS's, so just look for a + * window larger than 8 ports and assume it will be right. + */ if (p_dev->resource[0]->end <= 8) return -EINVAL; @@ -527,8 +533,8 @@ static int multi_config(struct pcmcia_device *link) info->multi = 2; if (pcmcia_loop_config(link, multi_config_check_notpicky, &base2)) { - dev_warn(&link->dev, "no usable port range " - "found, giving up\n"); + dev_warn(&link->dev, + "no usable port range found, giving up\n"); return -ENODEV; } } @@ -600,7 +606,7 @@ static int serial_check_for_multi(struct pcmcia_device *p_dev, void *priv_data) } -static int serial_config(struct pcmcia_device * link) +static int serial_config(struct pcmcia_device *link) { struct serial_info *info = link->priv; int i; @@ -623,8 +629,10 @@ static int serial_config(struct pcmcia_device * link) break; } - /* Another check for dual-serial cards: look for either serial or - multifunction cards that ask for appropriate IO port ranges */ + /* + * Another check for dual-serial cards: look for either serial or + * multifunction cards that ask for appropriate IO port ranges. + */ if ((info->multi == 0) && (link->has_func_id) && (link->socket->pcmcia_pfc == 0) && @@ -701,7 +709,7 @@ static const struct pcmcia_device_id serial_ids[] = { PCMCIA_PFC_DEVICE_PROD_ID12(1, "LINKSYS", "PCMLM336", 0xf7cb0b07, 0x7a821b58), PCMCIA_PFC_DEVICE_PROD_ID12(1, "MEGAHERTZ", "XJEM1144/CCEM1144", 0xf510db04, 0x52d21e1e), PCMCIA_PFC_DEVICE_PROD_ID12(1, "MICRO RESEARCH", "COMBO-L/M-336", 0xb2ced065, 0x3ced0555), - PCMCIA_PFC_DEVICE_PROD_ID12(1, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064), + PCMCIA_PFC_DEVICE_PROD_ID12(1, "NEC", "PK-UG-J001", 0x18df0ba0, 0x831b1064), PCMCIA_PFC_DEVICE_PROD_ID12(1, "Ositech", "Trumpcard:Jack of Diamonds Modem+Ethernet", 0xc2f80cd, 0x656947b9), PCMCIA_PFC_DEVICE_PROD_ID12(1, "Ositech", "Trumpcard:Jack of Hearts Modem+Ethernet", 0xc2f80cd, 0xdc9ba5ed), PCMCIA_PFC_DEVICE_PROD_ID12(1, "PCMCIAs", "ComboCard", 0xdcfe12d3, 0xcd8906cc), @@ -797,30 +805,30 @@ static const struct pcmcia_device_id serial_ids[] = { PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "cis/COMpad2.cis"), PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "cis/RS-COM-2P.cis"), PCMCIA_DEVICE_CIS_MANF_CARD(0x0013, 0x0000, "cis/GLOBETROTTER.cis"), - PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100 1.00.",0x19ca78af,0xf964f42b), - PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100",0x19ca78af,0x71d98e83), - PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL232 1.00.",0x19ca78af,0x69fb7490), - PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL232",0x19ca78af,0xb6bc0235), - PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.","SERIAL CARD: CF232",0x63f2e0bd,0xb9e175d3), - PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.","SERIAL CARD: CF232-5",0x63f2e0bd,0xfce33442), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF232",0x3beb8cf2,0x171e7190), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF232-5",0x3beb8cf2,0x20da4262), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF428",0x3beb8cf2,0xea5dd57d), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF500",0x3beb8cf2,0xd77255fa), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: IC232",0x3beb8cf2,0x6a709903), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: SL232",0x3beb8cf2,0x18430676), - PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: XL232",0x3beb8cf2,0x6f933767), - PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: CF332",0x3beb8cf2,0x16dc1ba7), - PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL332",0x3beb8cf2,0x19816c41), - PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL385",0x3beb8cf2,0x64112029), - PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), - PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc), - PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: CF332",0x3beb8cf2,0x16dc1ba7), - PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL332",0x3beb8cf2,0x19816c41), - PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL385",0x3beb8cf2,0x64112029), - PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), - PCMCIA_MFC_DEVICE_PROD_ID12(2,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), - PCMCIA_MFC_DEVICE_PROD_ID12(3,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.", "SERIAL CARD: SL100 1.00.", 0x19ca78af, 0xf964f42b), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.", "SERIAL CARD: SL100", 0x19ca78af, 0x71d98e83), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.", "SERIAL CARD: SL232 1.00.", 0x19ca78af, 0x69fb7490), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.", "SERIAL CARD: SL232", 0x19ca78af, 0xb6bc0235), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.", "SERIAL CARD: CF232", 0x63f2e0bd, 0xb9e175d3), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.", "SERIAL CARD: CF232-5", 0x63f2e0bd, 0xfce33442), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: CF232", 0x3beb8cf2, 0x171e7190), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: CF232-5", 0x3beb8cf2, 0x20da4262), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: CF428", 0x3beb8cf2, 0xea5dd57d), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: CF500", 0x3beb8cf2, 0xd77255fa), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: IC232", 0x3beb8cf2, 0x6a709903), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: SL232", 0x3beb8cf2, 0x18430676), + PCMCIA_DEVICE_PROD_ID12("Elan", "Serial Port: XL232", 0x3beb8cf2, 0x6f933767), + PCMCIA_MFC_DEVICE_PROD_ID12(0, "Elan", "Serial Port: CF332", 0x3beb8cf2, 0x16dc1ba7), + PCMCIA_MFC_DEVICE_PROD_ID12(0, "Elan", "Serial Port: SL332", 0x3beb8cf2, 0x19816c41), + PCMCIA_MFC_DEVICE_PROD_ID12(0, "Elan", "Serial Port: SL385", 0x3beb8cf2, 0x64112029), + PCMCIA_MFC_DEVICE_PROD_ID12(0, "Elan", "Serial Port: SL432", 0x3beb8cf2, 0x1cce7ac4), + PCMCIA_MFC_DEVICE_PROD_ID12(0, "Elan", "Serial+Parallel Port: SP230", 0x3beb8cf2, 0xdb9e58bc), + PCMCIA_MFC_DEVICE_PROD_ID12(1, "Elan", "Serial Port: CF332", 0x3beb8cf2, 0x16dc1ba7), + PCMCIA_MFC_DEVICE_PROD_ID12(1, "Elan", "Serial Port: SL332", 0x3beb8cf2, 0x19816c41), + PCMCIA_MFC_DEVICE_PROD_ID12(1, "Elan", "Serial Port: SL385", 0x3beb8cf2, 0x64112029), + PCMCIA_MFC_DEVICE_PROD_ID12(1, "Elan", "Serial Port: SL432", 0x3beb8cf2, 0x1cce7ac4), + PCMCIA_MFC_DEVICE_PROD_ID12(2, "Elan", "Serial Port: SL432", 0x3beb8cf2, 0x1cce7ac4), + PCMCIA_MFC_DEVICE_PROD_ID12(3, "Elan", "Serial Port: SL432", 0x3beb8cf2, 0x1cce7ac4), PCMCIA_DEVICE_MANF_CARD(0x0279, 0x950b), /* too generic */ /* PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0160, 0x0002), */ |
