diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/dhd_custom_gpio.c')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/dhd_custom_gpio.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_custom_gpio.c b/drivers/staging/brcm80211/brcmfmac/dhd_custom_gpio.c new file mode 100644 index 0000000..f647034 --- /dev/null +++ b/drivers/staging/brcm80211/brcmfmac/dhd_custom_gpio.c @@ -0,0 +1,160 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#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) */ + +#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", + __func__)); + return dhd_oob_gpio_num; + } + + WL_ERROR(("%s: customer specific Host GPIO number is (%d)\n", + __func__, 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", + __func__)); +#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", + __func__)); +#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", + __func__)); +#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", + __func__)); +#ifdef CUSTOMER_HW + bcm_wlan_power_on(1); +#endif /* CUSTOMER_HW */ + /* Lets customer power to get stable */ + udelay(200); + break; + } +} + +#ifdef GET_CUSTOM_MAC_ENABLE +/* Function to get custom MAC address */ +int dhd_custom_get_mac_address(unsigned char *buf) +{ + WL_TRACE(("%s Enter\n", __func__)); + if (!buf) + return -EINVAL; + + /* Customer access to MAC address stored outside of DHD driver */ + +#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 0; +} +#endif /* GET_CUSTOM_MAC_ENABLE */ |
