diff options
Diffstat (limited to 'drivers/pcmcia/sa1100_nanoengine.c')
| -rw-r--r-- | drivers/pcmcia/sa1100_nanoengine.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/drivers/pcmcia/sa1100_nanoengine.c b/drivers/pcmcia/sa1100_nanoengine.c deleted file mode 100644 index 35c30ff41e81..000000000000 --- a/drivers/pcmcia/sa1100_nanoengine.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * drivers/pcmcia/sa1100_nanoengine.c - * - * PCMCIA implementation routines for BSI nanoEngine. - * - * In order to have a fully functional pcmcia subsystem in a BSE nanoEngine - * board you should carefully read this: - * http://cambuca.ldhs.cetuc.puc-rio.br/nanoengine/ - * - * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> - * - * Based on original work for kernel 2.4 by - * Miguel Freitas <miguel@cpti.cetuc.puc-rio.br> - * - * 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/device.h> -#include <linux/errno.h> -#include <linux/gpio.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/signal.h> - -#include <asm/mach-types.h> -#include <asm/irq.h> - -#include <mach/hardware.h> -#include <mach/nanoengine.h> - -#include "sa1100_generic.h" - -struct nanoengine_pins { - unsigned output_pins; - unsigned clear_outputs; - int gpio_rst; - int gpio_cd; - int gpio_rdy; -}; - -static struct nanoengine_pins nano_skts[] = { - { - .gpio_rst = GPIO_PC_RESET0, - .gpio_cd = GPIO_PC_CD0, - .gpio_rdy = GPIO_PC_READY0, - }, { - .gpio_rst = GPIO_PC_RESET1, - .gpio_cd = GPIO_PC_CD1, - .gpio_rdy = GPIO_PC_READY1, - } -}; - -unsigned num_nano_pcmcia_sockets = ARRAY_SIZE(nano_skts); - -static int nanoengine_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - unsigned i = skt->nr; - int ret; - - if (i >= num_nano_pcmcia_sockets) - return -ENXIO; - - ret = gpio_request_one(nano_skts[i].gpio_rst, GPIOF_OUT_INIT_LOW, - i ? "PC RST1" : "PC RST0"); - if (ret) - return ret; - - skt->stat[SOC_STAT_CD].gpio = nano_skts[i].gpio_cd; - skt->stat[SOC_STAT_CD].name = i ? "PC CD1" : "PC CD0"; - skt->stat[SOC_STAT_RDY].gpio = nano_skts[i].gpio_rdy; - skt->stat[SOC_STAT_RDY].name = i ? "PC RDY1" : "PC RDY0"; - - return 0; -} - -static void nanoengine_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - gpio_free(nano_skts[skt->nr].gpio_rst); -} - -static int nanoengine_pcmcia_configure_socket( - struct soc_pcmcia_socket *skt, const socket_state_t *state) -{ - unsigned i = skt->nr; - - if (i >= num_nano_pcmcia_sockets) - return -ENXIO; - - gpio_set_value(nano_skts[skt->nr].gpio_rst, !!(state->flags & SS_RESET)); - - return 0; -} - -static void nanoengine_pcmcia_socket_state( - struct soc_pcmcia_socket *skt, struct pcmcia_state *state) -{ - unsigned i = skt->nr; - - if (i >= num_nano_pcmcia_sockets) - return; - - state->bvd1 = 1; - state->bvd2 = 1; - state->vs_3v = 1; /* Can only apply 3.3V */ - state->vs_Xv = 0; -} - -static struct pcmcia_low_level nanoengine_pcmcia_ops = { - .owner = THIS_MODULE, - - .hw_init = nanoengine_pcmcia_hw_init, - .hw_shutdown = nanoengine_pcmcia_hw_shutdown, - - .configure_socket = nanoengine_pcmcia_configure_socket, - .socket_state = nanoengine_pcmcia_socket_state, -}; - -int pcmcia_nanoengine_init(struct device *dev) -{ - int ret = -ENODEV; - - if (machine_is_nanoengine()) - ret = sa11xx_drv_pcmcia_probe( - dev, &nanoengine_pcmcia_ops, 0, 2); - - return ret; -} - |