diff options
Diffstat (limited to 'arch/arm/mach-pxa/viper-pcmcia.c')
| -rw-r--r-- | arch/arm/mach-pxa/viper-pcmcia.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/arch/arm/mach-pxa/viper-pcmcia.c b/arch/arm/mach-pxa/viper-pcmcia.c deleted file mode 100644 index 26599dcc49b3..000000000000 --- a/arch/arm/mach-pxa/viper-pcmcia.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * Viper/Zeus PCMCIA support - * Copyright 2004 Arcom Control Systems - * - * Maintained by Marc Zyngier <maz@misterjones.org> - * - * Based on: - * iPAQ h2200 PCMCIA support - * Copyright 2004 Koen Kooi <koen@vestingbar.nl> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> - -#include <pcmcia/ss.h> -#include <pcmcia/soc_common.h> - -#include <asm/irq.h> - -#include "viper-pcmcia.h" - -static struct platform_device *arcom_pcmcia_dev; - -static inline struct arcom_pcmcia_pdata *viper_get_pdata(void) -{ - return arcom_pcmcia_dev->dev.platform_data; -} - -static int viper_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - struct arcom_pcmcia_pdata *pdata = viper_get_pdata(); - unsigned long flags; - - skt->stat[SOC_STAT_CD].gpio = pdata->cd_gpio; - skt->stat[SOC_STAT_CD].name = "PCMCIA_CD"; - skt->stat[SOC_STAT_RDY].gpio = pdata->rdy_gpio; - skt->stat[SOC_STAT_RDY].name = "CF ready"; - - if (gpio_request(pdata->pwr_gpio, "CF power")) - goto err_request_pwr; - - local_irq_save(flags); - - if (gpio_direction_output(pdata->pwr_gpio, 0)) { - local_irq_restore(flags); - goto err_dir; - } - - local_irq_restore(flags); - - return 0; - -err_dir: - gpio_free(pdata->pwr_gpio); -err_request_pwr: - dev_err(&arcom_pcmcia_dev->dev, "Failed to setup PCMCIA GPIOs\n"); - return -1; -} - -/* - * Release all resources. - */ -static void viper_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - struct arcom_pcmcia_pdata *pdata = viper_get_pdata(); - - gpio_free(pdata->pwr_gpio); -} - -static void viper_pcmcia_socket_state(struct soc_pcmcia_socket *skt, - struct pcmcia_state *state) -{ - state->vs_3v = 1; /* Can only apply 3.3V */ - state->vs_Xv = 0; -} - -static int viper_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - struct arcom_pcmcia_pdata *pdata = viper_get_pdata(); - - /* Silently ignore Vpp, output enable, speaker enable. */ - pdata->reset(state->flags & SS_RESET); - - /* Apply socket voltage */ - switch (state->Vcc) { - case 0: - gpio_set_value(pdata->pwr_gpio, 0); - break; - case 33: - gpio_set_value(pdata->pwr_gpio, 1); - break; - default: - dev_err(&arcom_pcmcia_dev->dev, "Unsupported Vcc:%d\n", state->Vcc); - return -1; - } - - return 0; -} - -static struct pcmcia_low_level viper_pcmcia_ops = { - .owner = THIS_MODULE, - .hw_init = viper_pcmcia_hw_init, - .hw_shutdown = viper_pcmcia_hw_shutdown, - .socket_state = viper_pcmcia_socket_state, - .configure_socket = viper_pcmcia_configure_socket, - .nr = 1, -}; - -static struct platform_device *viper_pcmcia_device; - -static int viper_pcmcia_probe(struct platform_device *pdev) -{ - int ret; - - /* I can't imagine more than one device, but you never know... */ - if (arcom_pcmcia_dev) - return -EEXIST; - - if (!pdev->dev.platform_data) - return -EINVAL; - - viper_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); - if (!viper_pcmcia_device) - return -ENOMEM; - - arcom_pcmcia_dev = pdev; - - viper_pcmcia_device->dev.parent = &pdev->dev; - - ret = platform_device_add_data(viper_pcmcia_device, - &viper_pcmcia_ops, - sizeof(viper_pcmcia_ops)); - - if (!ret) - ret = platform_device_add(viper_pcmcia_device); - - if (ret) { - platform_device_put(viper_pcmcia_device); - arcom_pcmcia_dev = NULL; - } - - return ret; -} - -static int viper_pcmcia_remove(struct platform_device *pdev) -{ - platform_device_unregister(viper_pcmcia_device); - arcom_pcmcia_dev = NULL; - return 0; -} - -static struct platform_device_id viper_pcmcia_id_table[] = { - { .name = "viper-pcmcia", }, - { .name = "zeus-pcmcia", }, - { }, -}; - -static struct platform_driver viper_pcmcia_driver = { - .probe = viper_pcmcia_probe, - .remove = viper_pcmcia_remove, - .driver = { - .name = "arcom-pcmcia", - }, - .id_table = viper_pcmcia_id_table, -}; - -module_platform_driver(viper_pcmcia_driver); - -MODULE_DEVICE_TABLE(platform, viper_pcmcia_id_table); -MODULE_LICENSE("GPL"); |