| /* |
| * 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 */ |