zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/pcmcia/pxa2xx_e740.c b/ap/os/linux/linux-3.4.x/drivers/pcmcia/pxa2xx_e740.c
new file mode 100644
index 0000000..8751a32
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/pcmcia/pxa2xx_e740.c
@@ -0,0 +1,130 @@
+/*
+ * Toshiba e740 PCMCIA specific routines.
+ *
+ * (c) 2004 Ian Molton <spyro@f2s.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/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
+#include <mach/eseries-gpio.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include "soc_common.h"
+
+static int e740_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ if (skt->nr == 0) {
+ skt->stat[SOC_STAT_CD].gpio = GPIO_E740_PCMCIA_CD0;
+ skt->stat[SOC_STAT_CD].name = "CF card detect";
+ skt->stat[SOC_STAT_RDY].gpio = GPIO_E740_PCMCIA_RDY0;
+ skt->stat[SOC_STAT_RDY].name = "CF ready";
+ } else {
+ skt->stat[SOC_STAT_CD].gpio = GPIO_E740_PCMCIA_CD1;
+ skt->stat[SOC_STAT_CD].name = "Wifi switch";
+ skt->stat[SOC_STAT_RDY].gpio = GPIO_E740_PCMCIA_RDY1;
+ skt->stat[SOC_STAT_RDY].name = "Wifi ready";
+ }
+
+ return 0;
+}
+
+static void e740_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ state->vs_3v = 1;
+ state->vs_Xv = 0;
+}
+
+static int e740_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ if (state->flags & SS_RESET) {
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_RST0, 1);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_RST1, 1);
+ } else {
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_RST0, 0);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_RST1, 0);
+ }
+
+ switch (state->Vcc) {
+ case 0: /* Socket off */
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_PWR0, 0);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_PWR1, 1);
+ break;
+ case 50:
+ case 33: /* socket on */
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_PWR0, 1);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_PWR1, 0);
+ break;
+ default:
+ printk(KERN_ERR "e740_cs: Unsupported Vcc: %d\n", state->Vcc);
+ }
+
+ return 0;
+}
+
+static struct pcmcia_low_level e740_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = e740_pcmcia_hw_init,
+ .socket_state = e740_pcmcia_socket_state,
+ .configure_socket = e740_pcmcia_configure_socket,
+ .nr = 2,
+};
+
+static struct platform_device *e740_pcmcia_device;
+
+static int __init e740_pcmcia_init(void)
+{
+ int ret;
+
+ if (!machine_is_e740())
+ return -ENODEV;
+
+ e740_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+ if (!e740_pcmcia_device)
+ return -ENOMEM;
+
+ ret = platform_device_add_data(e740_pcmcia_device, &e740_pcmcia_ops,
+ sizeof(e740_pcmcia_ops));
+
+ if (!ret)
+ ret = platform_device_add(e740_pcmcia_device);
+
+ if (ret)
+ platform_device_put(e740_pcmcia_device);
+
+ return ret;
+}
+
+static void __exit e740_pcmcia_exit(void)
+{
+ platform_device_unregister(e740_pcmcia_device);
+}
+
+module_init(e740_pcmcia_init);
+module_exit(e740_pcmcia_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
+MODULE_DESCRIPTION("e740 PCMCIA platform support");