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author | Len Brown <len.brown@intel.com> | 2008-10-23 05:57:26 +0200 |
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committer | Len Brown <len.brown@intel.com> | 2008-10-23 06:11:07 +0200 |
commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/pcmcia/pxa2xx_palmld.c | |
parent | panasonic-laptop: fix build (diff) | |
parent | binfmt_elf_fdpic: Update for cputime changes. (diff) | |
download | linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.zip |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pcmcia/pxa2xx_palmld.c')
-rw-r--r-- | drivers/pcmcia/pxa2xx_palmld.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c new file mode 100644 index 000000000000..1736c67e547e --- /dev/null +++ b/drivers/pcmcia/pxa2xx_palmld.c @@ -0,0 +1,151 @@ +/* + * linux/drivers/pcmcia/pxa2xx_palmld.c + * + * Driver for Palm LifeDrive PCMCIA + * + * Copyright (C) 2006 Alex Osborne <ato@meshy.org> + * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@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/module.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> + +#include <asm/mach-types.h> +#include <mach/palmld.h> +#include "soc_common.h" + +static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR"); + if (ret) + goto err1; + ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0); + if (ret) + goto err2; + + ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST"); + if (ret) + goto err2; + ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1); + if (ret) + goto err3; + + ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY"); + if (ret) + goto err3; + ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY); + if (ret) + goto err4; + + skt->irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY); + return 0; + +err4: + gpio_free(GPIO_NR_PALMLD_PCMCIA_READY); +err3: + gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET); +err2: + gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER); +err1: + return ret; +} + +static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free(GPIO_NR_PALMLD_PCMCIA_READY); + gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET); + gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER); +} + +static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + state->detect = 1; /* always inserted */ + state->ready = !!gpio_get_value(GPIO_NR_PALMLD_PCMCIA_READY); + state->bvd1 = 1; + state->bvd2 = 1; + state->wrprot = 0; + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int palmld_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + gpio_set_value(GPIO_NR_PALMLD_PCMCIA_POWER, 1); + gpio_set_value(GPIO_NR_PALMLD_PCMCIA_RESET, + !!(state->flags & SS_RESET)); + + return 0; +} + +static void palmld_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void palmld_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level palmld_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 2, + + .hw_init = palmld_pcmcia_hw_init, + .hw_shutdown = palmld_pcmcia_hw_shutdown, + + .socket_state = palmld_pcmcia_socket_state, + .configure_socket = palmld_pcmcia_configure_socket, + + .socket_init = palmld_pcmcia_socket_init, + .socket_suspend = palmld_pcmcia_socket_suspend, +}; + +static struct platform_device *palmld_pcmcia_device; + +static int __init palmld_pcmcia_init(void) +{ + int ret; + + if (!machine_is_palmld()) + return -ENODEV; + + palmld_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!palmld_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(palmld_pcmcia_device, &palmld_pcmcia_ops, + sizeof(palmld_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(palmld_pcmcia_device); + + if (ret) + platform_device_put(palmld_pcmcia_device); + + return ret; +} + +static void __exit palmld_pcmcia_exit(void) +{ + platform_device_unregister(palmld_pcmcia_device); +} + +module_init(palmld_pcmcia_init); +module_exit(palmld_pcmcia_exit); + +MODULE_AUTHOR("Alex Osborne <ato@meshy.org>," + " Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("PCMCIA support for Palm LifeDrive"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); |