1 files changed, 138 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-4430sdp-wifi.c b/arch/arm/mach-omap2/board-4430sdp-wifi.c
new file mode 100755
index 000000000000..4789cbc32ea0
--- /dev/null
+++ b/arch/arm/mach-omap2/board-4430sdp-wifi.c
@@ -0,0 +1,138 @@
+/*
+ * Board support file for containing WiFi specific details for OMAP4430 SDP.
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * Author: Pradeep Gurumath <pradeepgurumath@ti.com>
+ *
+ * Based on mach-omap2/board-3430sdp.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.
+ */
+
+/* linux/arch/arm/mach-omap2/board-4430sdp-wifi.c
+*/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/err.h>
+
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <mach/wifi_tiwlan.h>
+
+#define SDP4430_WIFI_PMENA_GPIO	 54
+#define SDP4430_WIFI_IRQ_GPIO	 53
+
+static int sdp4430_wifi_cd;		/* WIFI virtual 'card detect' status */
+static void (*wifi_status_cb)(int card_present, void *dev_id);
+static void *wifi_status_cb_devid;
+
+int omap_wifi_status_register(void (*callback)(int card_present,
+						void *dev_id), void *dev_id)
+{
+	if (wifi_status_cb)
+		return -EAGAIN;
+	wifi_status_cb = callback;
+
+	wifi_status_cb_devid = dev_id;
+
+	return 0;
+}
+
+int omap_wifi_status(int irq)
+{
+	return sdp4430_wifi_cd;
+}
+
+int sdp4430_wifi_set_carddetect(int val)
+{
+	printk(KERN_WARNING"%s: %d\n", __func__, val);
+	sdp4430_wifi_cd = val;
+	if (wifi_status_cb)
+		wifi_status_cb(val, wifi_status_cb_devid);
+	else
+		printk(KERN_WARNING "%s: Nobody to notify\n", __func__);
+	return 0;
+}
+#ifndef CONFIG_WIFI_CONTROL_FUNC
+EXPORT_SYMBOL(sdp4430_wifi_set_carddetect);
+#endif
+
+static int sdp4430_wifi_power_state;
+
+int sdp4430_wifi_power(int on)
+{
+	printk(KERN_WARNING"%s: %d\n", __func__, on);
+	gpio_set_value(SDP4430_WIFI_PMENA_GPIO, on);
+	sdp4430_wifi_power_state = on;
+	return 0;
+}
+#ifndef CONFIG_WIFI_CONTROL_FUNC
+EXPORT_SYMBOL(sdp4430_wifi_power);
+#endif
+
+static int sdp4430_wifi_reset_state;
+int sdp4430_wifi_reset(int on)
+{
+	printk(KERN_WARNING"%s: %d\n", __func__, on);
+	sdp4430_wifi_reset_state = on;
+	return 0;
+}
+#ifndef CONFIG_WIFI_CONTROL_FUNC
+EXPORT_SYMBOL(sdp4430_wifi_reset);
+#endif
+
+struct wifi_platform_data sdp4430_wifi_control = {
+	.set_power	= sdp4430_wifi_power,
+	.set_reset	= sdp4430_wifi_reset,
+	.set_carddetect	= sdp4430_wifi_set_carddetect,
+};
+
+#ifdef CONFIG_WIFI_CONTROL_FUNC
+static struct resource sdp4430_wifi_resources[] = {
+	[0] = {
+		.name		= "device_wifi_irq",
+		.start		= OMAP_GPIO_IRQ(SDP4430_WIFI_IRQ_GPIO),
+		.end		= OMAP_GPIO_IRQ(SDP4430_WIFI_IRQ_GPIO),
+		.flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+	},
+};
+
+static struct platform_device sdp4430_wifi_device = {
+	.name           = "device_wifi",
+	.id             = 1,
+	.num_resources  = ARRAY_SIZE(sdp4430_wifi_resources),
+	.resource       = sdp4430_wifi_resources,
+	.dev            = {
+		.platform_data = &sdp4430_wifi_control,
+	},
+};
+#endif
+
+static int __init sdp4430_wifi_init(void)
+{
+	int ret;
+
+	printk(KERN_WARNING"%s: start\n", __func__);
+	ret = gpio_request(SDP4430_WIFI_IRQ_GPIO, "wifi_irq");
+	if (ret < 0) {
+		printk(KERN_ERR "%s: can't reserve GPIO: %d\n", __func__,
+			SDP4430_WIFI_IRQ_GPIO);
+		goto out;
+	}
+	gpio_direction_input(SDP4430_WIFI_IRQ_GPIO);
+#ifdef CONFIG_WIFI_CONTROL_FUNC
+	ret = platform_device_register(&sdp4430_wifi_device);
+#endif
+out:
+	return ret;
+}
+
+device_initcall(sdp4430_wifi_init);