M7350/kernel/drivers/net/wireless/bcmdhd/dhd_custom_gpio.c
2024-09-09 08:52:07 +00:00

294 lines
8.0 KiB
C

/*
* Customer code to add GPIO control during WLAN start/stop
* Copyright (C) 1999-2012, 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 291086 2011-10-21 01:17:24Z $
*/
#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 */
#if defined(CUSTOMER_HW2)
#ifdef CONFIG_WIFI_CONTROL_FUNC
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);
void *wifi_get_country_code(char *ccode);
#else
int wifi_set_power(int on, unsigned long msec) { return -1; }
int wifi_get_irq_number(unsigned long *irq_flags_ptr) { return -1; }
int wifi_get_mac_addr(unsigned char *buf) { return -1; }
void *wifi_get_country_code(char *ccode) { return NULL; }
#endif /* CONFIG_WIFI_CONTROL_FUNC */
#endif /* CUSTOMER_HW2 */
#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;
module_param(dhd_oob_gpio_num, int, 0644);
MODULE_PARM_DESC(dhd_oob_gpio_num, "DHD oob gpio number");
/* This function will return:
* 1) return : Host gpio interrupt number per customer platform
* 2) irq_flags_ptr : Type of Host interrupt as Level or Edge
*
* NOTE :
* Customer should check his platform definitions
* and his Host Interrupt spec
* to figure out the proper setting for his platform.
* Broadcom provides just reference settings as example.
*
*/
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
#if defined(CUSTOM_OOB_GPIO_NUM)
if (dhd_oob_gpio_num < 0) {
dhd_oob_gpio_num = CUSTOM_OOB_GPIO_NUM;
}
#endif /* CUSTOMER_HW2 */
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(200);
#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 */
#if defined(CUSTOMER_HW2) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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 */
/* Customized Locale table : OPTIONAL feature */
const struct cntry_locales_custom translate_custom_table[] = {
/* Table should be filled out based on custom platform regulatory requirement */
#ifdef EXAMPLE_TABLE
{"", "XY", 4}, /* Universal if Country code is unknown or empty */
{"US", "US", 69}, /* input ISO "US" to : US regrev 69 */
{"CA", "US", 69}, /* input ISO "CA" to : US regrev 69 */
{"EU", "EU", 5}, /* European union countries to : EU regrev 05 */
{"AT", "EU", 5},
{"BE", "EU", 5},
{"BG", "EU", 5},
{"CY", "EU", 5},
{"CZ", "EU", 5},
{"DK", "EU", 5},
{"EE", "EU", 5},
{"FI", "EU", 5},
{"FR", "EU", 5},
{"DE", "EU", 5},
{"GR", "EU", 5},
{"HU", "EU", 5},
{"IE", "EU", 5},
{"IT", "EU", 5},
{"LV", "EU", 5},
{"LI", "EU", 5},
{"LT", "EU", 5},
{"LU", "EU", 5},
{"MT", "EU", 5},
{"NL", "EU", 5},
{"PL", "EU", 5},
{"PT", "EU", 5},
{"RO", "EU", 5},
{"SK", "EU", 5},
{"SI", "EU", 5},
{"ES", "EU", 5},
{"SE", "EU", 5},
{"GB", "EU", 5},
{"KR", "XY", 3},
{"AU", "XY", 3},
{"CN", "XY", 3}, /* input ISO "CN" to : XY regrev 03 */
{"TW", "XY", 3},
{"AR", "XY", 3},
{"MX", "XY", 3},
{"IL", "IL", 0},
{"CH", "CH", 0},
{"TR", "TR", 0},
{"NO", "NO", 0},
#endif /* EXMAPLE_TABLE */
};
/* Customized Locale convertor
* input : ISO 3166-1 country abbreviation
* output: customized cspec
*/
void get_customized_country_code(char *country_iso_code, wl_country_t *cspec)
{
#if defined(CUSTOMER_HW2) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
struct cntry_locales_custom *cloc_ptr;
if (!cspec)
return;
cloc_ptr = wifi_get_country_code(country_iso_code);
if (cloc_ptr) {
strlcpy(cspec->ccode, cloc_ptr->custom_locale, WLC_CNTRY_BUF_SZ);
cspec->rev = cloc_ptr->custom_locale_rev;
}
return;
#else
int size, i;
size = ARRAYSIZE(translate_custom_table);
if (cspec == 0)
return;
if (size == 0)
return;
for (i = 0; i < size; i++) {
if (strcmp(country_iso_code, translate_custom_table[i].iso_abbrev) == 0) {
memcpy(cspec->ccode,
translate_custom_table[i].custom_locale, WLC_CNTRY_BUF_SZ);
cspec->rev = translate_custom_table[i].custom_locale_rev;
return;
}
}
#ifdef EXAMPLE_TABLE
/* if no country code matched return first universal code from translate_custom_table */
memcpy(cspec->ccode, translate_custom_table[0].custom_locale, WLC_CNTRY_BUF_SZ);
cspec->rev = translate_custom_table[0].custom_locale_rev;
#endif /* EXMAPLE_TABLE */
return;
#endif /* defined(CUSTOMER_HW2) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)) */
}