diff options
Diffstat (limited to 'drivers/net/wireless/bcm4329/dhd_custom_gpio.c')
| -rw-r--r-- | drivers/net/wireless/bcm4329/dhd_custom_gpio.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm4329/dhd_custom_gpio.c b/drivers/net/wireless/bcm4329/dhd_custom_gpio.c new file mode 100644 index 0000000..8c6ec47 --- /dev/null +++ b/drivers/net/wireless/bcm4329/dhd_custom_gpio.c @@ -0,0 +1,179 @@ +/* +* 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 1.1.4.8.4.1 2010/09/02 23:13:16 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); +int wifi_get_mac_addr(unsigned char *buf); +#endif + +#if defined(OOB_INTR_ONLY) + +#if defined(BCMLXSDMMC) +extern int sdioh_mmc_irq(int irq); +#endif /* (BCMLXSDMMC) */ + +#ifdef CUSTOMER_HW3 +#include <mach/gpio.h> +#endif + +/* 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 = 0; + +#ifdef CUSTOMER_HW2 + host_oob_irq = wifi_get_irq_number(irq_flags_ptr); + +#else /* for NOT CUSTOMER_HW2 */ +#if defined(CUSTOM_OOB_GPIO_NUM) + if (dhd_oob_gpio_num < 0) { + dhd_oob_gpio_num = CUSTOM_OOB_GPIO_NUM; + } +#endif + + 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)); + +#if defined CUSTOMER_HW + host_oob_irq = MSM_GPIO_TO_INT(dhd_oob_gpio_num); +#elif defined CUSTOMER_HW3 + gpio_request(dhd_oob_gpio_num, "oob irq"); + host_oob_irq = gpio_to_irq(dhd_oob_gpio_num); + gpio_direction_input(dhd_oob_gpio_num); +#endif /* CUSTOMER_HW */ +#endif /* CUSTOMER_HW2 */ + + 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); + /* Lets customer power to get stable */ + OSL_DELAY(50); +#endif /* CUSTOMER_HW */ + break; + } +} + +#ifdef GET_CUSTOM_MAC_ENABLE +/* Function to get custom MAC address */ +int +dhd_custom_get_mac_address(unsigned char *buf) +{ + int ret = 0; + + WL_TRACE(("%s Enter\n", __FUNCTION__)); + if (!buf) + return -EINVAL; + + /* Customer access to MAC address stored outside of DHD driver */ +#ifdef CUSTOMER_HW2 + ret = wifi_get_mac_addr(buf); +#endif + +#ifdef EXAMPLE_GET_MAC + /* EXAMPLE code */ + { + struct ether_addr ea_example = {{0x00, 0x11, 0x22, 0x33, 0x44, 0xFF}}; + bcopy((char *)&ea_example, buf, sizeof(struct ether_addr)); + } +#endif /* EXAMPLE_GET_MAC */ + + return ret; +} +#endif /* GET_CUSTOM_MAC_ENABLE */ |