HTC Vision (and others) have a Broadcom BCM4329 chip-set for WiFi/Bluetooth/FM-rx...

[bootloader-ap.git] / drivers / net / wireless / bcm4329 / dhd_custom_gpio.c

diff --git a/drivers/net/wireless/bcm4329/dhd_custom_gpio.c b/drivers/net/wireless/bcm4329/dhd_custom_gpio.c
new file mode 100644 (file)
index 0000000..2dc6e42
--- /dev/null
+++ b/drivers/net/wireless/bcm4329/dhd_custom_gpio.c
@@ -0,0 +1,138 @@
+/*
+* Customer code to add GPIO control during WLAN start/stop
+* Copyright (C) 1999-2010, Broadcom Corporation
+* 
+*      Unless you and Broadcom execute a separate written software license
+* agreement governing use of this software, this software is licensed to you
+* under the terms of the GNU General Public License version 2 (the "GPL"),
+* available at http://www.broadcom.com/licenses/GPLv2.php, with the
+* following added to such license:
+* 
+*      As a special exception, the copyright holders of this software give you
+* permission to link this software with independent modules, and to copy and
+* distribute the resulting executable under terms of your choice, provided that
+* you also meet, for each linked independent module, the terms and conditions of
+* the license of that module.  An independent module is a module which is not
+* derived from this software.  The special exception does not apply to any
+* modifications of the software.
+* 
+*      Notwithstanding the above, under no circumstances may you combine this
+* software in any way with any other Broadcom software provided under a license
+* other than the GPL, without Broadcom's express prior written consent.
+*
+* $Id: dhd_custom_gpio.c,v 1.1.4.6 2010/02/19 22:56:49 Exp $
+*/
+
+
+#include <typedefs.h>
+#include <linuxver.h>
+#include <osl.h>
+#include <bcmutils.h>
+
+#include <dngl_stats.h>
+#include <dhd.h>
+
+#include <wlioctl.h>
+#include <wl_iw.h>
+
+#define WL_ERROR(x) printf x
+#define WL_TRACE(x)
+
+#ifdef CUSTOMER_HW
+extern  void bcm_wlan_power_off(int);
+extern  void bcm_wlan_power_on(int);
+#endif /* CUSTOMER_HW */
+
+#ifdef CUSTOMER_HW2
+int wifi_set_carddetect(int on);
+int wifi_set_power(int on, unsigned long msec);
+int wifi_get_irq_number(unsigned long *irq_flags_ptr);
+#endif
+
+#if defined(OOB_INTR_ONLY)
+
+#if defined(BCMLXSDMMC)
+extern int sdioh_mmc_irq(int irq);
+#endif /* (BCMLXSDMMC)  */
+
+/* Customer specific Host GPIO defintion  */
+static int dhd_oob_gpio_num = -1; /* GG 19 */
+
+module_param(dhd_oob_gpio_num, int, 0644);
+MODULE_PARM_DESC(dhd_oob_gpio_num, "DHD oob gpio number");
+
+int dhd_customer_oob_irq_map(unsigned long *irq_flags_ptr)
+{
+       int  host_oob_irq;
+#ifdef CUSTOMER_HW2
+       host_oob_irq = wifi_get_irq_number(irq_flags_ptr);
+#else
+#if defined(CUSTOM_OOB_GPIO_NUM)
+       if (dhd_oob_gpio_num < 0) {
+               dhd_oob_gpio_num = CUSTOM_OOB_GPIO_NUM;
+       }
+#endif
+       *irq_flags_ptr = IRQF_TRIGGER_FALLING;
+       if (dhd_oob_gpio_num < 0) {
+               WL_ERROR(("%s: ERROR customer specific Host GPIO is NOT defined \n",
+                                    __FUNCTION__));
+               return (dhd_oob_gpio_num);
+       }
+
+       WL_ERROR(("%s: customer specific Host GPIO number is (%d)\n",
+                __FUNCTION__, dhd_oob_gpio_num));
+
+       host_oob_irq = sdioh_mmc_irq(dhd_oob_gpio_num);
+#endif
+       return (host_oob_irq);
+}
+#endif /* defined(OOB_INTR_ONLY) */
+
+/* Customer function to control hw specific wlan gpios */
+void
+dhd_customer_gpio_wlan_ctrl(int onoff)
+{
+       switch (onoff) {
+               case WLAN_RESET_OFF:
+                       WL_TRACE(("%s: call customer specific GPIO to insert WLAN RESET\n",
+                               __FUNCTION__));
+#ifdef CUSTOMER_HW
+                       bcm_wlan_power_off(2);
+#endif /* CUSTOMER_HW */
+#ifdef CUSTOMER_HW2
+                       wifi_set_power(0, 0);
+#endif
+                       WL_ERROR(("=========== WLAN placed in RESET ========\n"));
+               break;
+
+               case WLAN_RESET_ON:
+                       WL_TRACE(("%s: callc customer specific GPIO to remove WLAN RESET\n",
+                               __FUNCTION__));
+#ifdef CUSTOMER_HW
+                       bcm_wlan_power_on(2);
+#endif /* CUSTOMER_HW */
+#ifdef CUSTOMER_HW2
+                       wifi_set_power(1, 0);
+#endif
+                       WL_ERROR(("=========== WLAN going back to live  ========\n"));
+               break;
+
+               case WLAN_POWER_OFF:
+                       WL_TRACE(("%s: call customer specific GPIO to turn off WL_REG_ON\n",
+                               __FUNCTION__));
+#ifdef CUSTOMER_HW
+                       bcm_wlan_power_off(1);
+#endif /* CUSTOMER_HW */
+               break;
+
+               case WLAN_POWER_ON:
+                       WL_TRACE(("%s: call customer specific GPIO to turn on WL_REG_ON\n",
+                               __FUNCTION__));
+#ifdef CUSTOMER_HW
+                       bcm_wlan_power_on(1);
+#endif /* CUSTOMER_HW */
+                       /* Lets customer power to get stable */
+                       OSL_DELAY(500);
+               break;
+       }
+}