--- drivers/pcmcia/Makefile | 1 drivers/pcmcia/pxa2xx_hx2750.c | 192 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 193 insertions(+) Index: linux-2.6.23/drivers/pcmcia/pxa2xx_hx2750.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6.23/drivers/pcmcia/pxa2xx_hx2750.c 2007-10-16 11:00:04.000000000 +0100 @@ -0,0 +1,192 @@ +/* + * PCMCIA Support for HP iPAQ hx2750 + * + * Copyright 2005 Openedhand Ltd. + * + * Author: Richard Purdie + * + * Based on pxa2xx_mainstone.c + * + * 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 +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include +#include + +#include "soc_common.h" + + +static struct pcmcia_irqs irqs[] = { + { 0, HX2750_IRQ_GPIO_CF_DETECT, "PCMCIA0 CD" }, +}; + +static int hx2750_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + /* + * Setup default state of GPIO outputs + * before we enable them as outputs. + */ + GPSR(GPIO48_nPOE) = + GPIO_bit(GPIO48_nPOE) | + GPIO_bit(GPIO49_nPWE) | + GPIO_bit(GPIO50_nPIOR) | + GPIO_bit(GPIO51_nPIOW) | + GPIO_bit(GPIO85_nPCE_1) | + GPIO_bit(GPIO54_nPCE_2); + + pxa_gpio_mode(GPIO48_nPOE_MD); + pxa_gpio_mode(GPIO49_nPWE_MD); + pxa_gpio_mode(GPIO50_nPIOR_MD); + pxa_gpio_mode(GPIO51_nPIOW_MD); + pxa_gpio_mode(GPIO85_nPCE_1_MD); + pxa_gpio_mode(GPIO54_nPCE_2_MD); + pxa_gpio_mode(GPIO79_pSKTSEL_MD); + pxa_gpio_mode(GPIO55_nPREG_MD); + pxa_gpio_mode(GPIO56_nPWAIT_MD); + pxa_gpio_mode(GPIO57_nIOIS16_MD); + + skt->irq = (skt->nr == 0) ? HX2750_IRQ_GPIO_CF_IRQ : HX2750_IRQ_GPIO_CF_WIFIIRQ; + return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); +} + +static void hx2750_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); +} + +#define GPLR_BIT(n) (GPLR((n)) & GPIO_bit((n))) +#define GPSR_BIT(n) (GPSR((n)) = GPIO_bit((n))) +#define GPCR_BIT(n) (GPCR((n)) = GPIO_bit((n))) + +static void hx2750_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + if(skt->nr == 0){ + state->detect = GPLR_BIT(HX2750_GPIO_CF_DETECT) ? 0 : 1; + state->ready = GPLR_BIT(HX2750_GPIO_CF_IRQ) ? 1 : 0; + } + else{ + state->detect = 1; + state->ready = GPLR_BIT(HX2750_GPIO_CF_WIFIIRQ) ? 1 : 0; + } + + state->bvd1 = 1; /* not available */ + state->bvd2 = 1; /* not available */ + state->vs_3v = 1; /* not available */ + state->vs_Xv = 0; /* not available */ + state->wrprot = 0; /* not available */ +} + +static int hx2750_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + int ret = 0; + + if(state->flags & SS_RESET) { + if(skt->nr == 0) + hx2750_set_egpio(HX2750_EGPIO_CF0_RESET); + else + hx2750_set_egpio(HX2750_EGPIO_CF1_RESET); + } else { + if(skt->nr == 0) + hx2750_clear_egpio(HX2750_EGPIO_CF0_RESET); + else + hx2750_clear_egpio(HX2750_EGPIO_CF1_RESET); + } + + /* Apply socket voltage */ + switch (state->Vcc) { + case 0: + if(skt->nr == 0) + GPCR_BIT(HX2750_GPIO_CF_PWR); + else + hx2750_clear_egpio(HX2750_EGPIO_WIFI_PWR); + break; + case 50: + case 33: + /* Apply power to socket */ + if(skt->nr == 0) + GPSR_BIT(HX2750_GPIO_CF_PWR); + else + hx2750_set_egpio(HX2750_EGPIO_WIFI_PWR); + break; + default: + printk (KERN_ERR "%s: Unsupported Vcc:%d\n", __FUNCTION__, state->Vcc); + ret = -1; + break; + } + + return ret; +} + +static void hx2750_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void hx2750_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level hx2750_pcmcia_ops = { + .owner = THIS_MODULE, + .hw_init = hx2750_pcmcia_hw_init, + .hw_shutdown = hx2750_pcmcia_hw_shutdown, + .socket_state = hx2750_pcmcia_socket_state, + .configure_socket = hx2750_pcmcia_configure_socket, + .socket_init = hx2750_pcmcia_socket_init, + .socket_suspend = hx2750_pcmcia_socket_suspend, + .nr = 2, +}; + +static struct platform_device *hx2750_pcmcia_device; + +static void hx2750_pcmcia_release(struct device *dev) +{ + kfree(hx2750_pcmcia_device); +} + +static int __init hx2750_pcmcia_init(void) +{ + int ret; + + hx2750_pcmcia_device = kmalloc(sizeof(*hx2750_pcmcia_device), GFP_KERNEL); + if (!hx2750_pcmcia_device) + return -ENOMEM; + memset(hx2750_pcmcia_device, 0, sizeof(*hx2750_pcmcia_device)); + hx2750_pcmcia_device->name = "pxa2xx-pcmcia"; + hx2750_pcmcia_device->dev.platform_data = &hx2750_pcmcia_ops; + hx2750_pcmcia_device->dev.release = hx2750_pcmcia_release; + + ret = platform_device_register(hx2750_pcmcia_device); + if (ret) + kfree(hx2750_pcmcia_device); + + return ret; +} + +static void __exit hx2750_pcmcia_exit(void) +{ + platform_device_unregister(hx2750_pcmcia_device); +} + +module_init(hx2750_pcmcia_init); +module_exit(hx2750_pcmcia_exit); + +MODULE_AUTHOR("Richard Purdie "); +MODULE_DESCRIPTION("iPAQ hx2750 PCMCIA Support"); +MODULE_LICENSE("GPLv2"); Index: linux-2.6.23/drivers/pcmcia/Makefile =================================================================== --- linux-2.6.23.orig/drivers/pcmcia/Makefile 2007-10-16 11:00:00.000000000 +0100 +++ linux-2.6.23/drivers/pcmcia/Makefile 2007-10-16 11:02:15.000000000 +0100 @@ -70,4 +70,5 @@ pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o +pxa2xx_cs-$(CONFIG_MACH_HX2750) += pxa2xx_hx2750.o