360 lines
11 KiB
C
360 lines
11 KiB
C
/*
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* Customer code to add GPIO control during WLAN start/stop
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* Copyright (C) 1999-2013, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: dhd_custom_gpio.c 441177 2013-12-05 07:03:52Z $
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*/
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#include <typedefs.h>
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#include <linuxver.h>
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#include <osl.h>
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#include <bcmutils.h>
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#include <dngl_stats.h>
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#include <dhd.h>
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#include <wlioctl.h>
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#include <wl_iw.h>
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#include <asm/intel-mid.h>
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#include <linux/gpio.h>
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#if defined(SUPPORT_MULTIPLE_REVISION)
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#include "bcmdevs.h"
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#endif /* SUPPORT_MULTIPLE_REVISION */
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#define WL_ERROR(x) printf x
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#define WL_TRACE(x)
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#ifdef CUSTOMER_HW
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extern void bcm_wlan_power_off(int);
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extern void bcm_wlan_power_on(int);
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#endif /* CUSTOMER_HW */
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#if defined(CUSTOMER_HW2)
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#ifdef CONFIG_WIFI_CONTROL_FUNC
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int wifi_set_power(int on, unsigned long msec);
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int wifi_get_irq_number(unsigned long *irq_flags_ptr);
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int wifi_get_gpioen_number(void);
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int wifi_get_mac_addr(unsigned char *buf);
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void *wifi_get_country_code(char *ccode);
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#else
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int wifi_set_power(int on, unsigned long msec) { return -1; }
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int wifi_get_irq_number(unsigned long *irq_flags_ptr) { return -1; }
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int wifi_get_gpioen_number(void) { return -1; }
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int wifi_get_mac_addr(unsigned char *buf) { return -1; }
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void *wifi_get_country_code(char *ccode) { return NULL; }
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#endif /* CONFIG_WIFI_CONTROL_FUNC */
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#endif
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#if defined(OOB_INTR_ONLY)
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#if defined(BCMLXSDMMC)
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extern int sdioh_mmc_irq(int irq);
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#endif /* (BCMLXSDMMC) */
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#if defined(CUSTOMER_HW3)
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#include <mach/gpio.h>
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#endif
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#include "wl_android.h"
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/* Customer specific Host GPIO defintion */
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static int dhd_oob_gpio_num = -1;
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module_param(dhd_oob_gpio_num, int, 0644);
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MODULE_PARM_DESC(dhd_oob_gpio_num, "DHD oob gpio number");
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/* This function will return:
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* 1) return : Host gpio interrupt number per customer platform
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* 2) irq_flags_ptr : Type of Host interrupt as Level or Edge
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*
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* NOTE :
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* Customer should check his platform definitions
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* and his Host Interrupt spec
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* to figure out the proper setting for his platform.
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* Broadcom provides just reference settings as example.
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*
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*/
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int dhd_customer_oob_irq_map(unsigned long *irq_flags_ptr)
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{
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int host_oob_irq = 0;
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#if defined(CUSTOMER_HW2) || defined(CUSTOMER_HW4)
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host_oob_irq = wifi_get_irq_number(irq_flags_ptr);
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if (!wifi_irq_is_fastirq()) {
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if (gpio_request(host_oob_irq, "bcm43xx_irq") < 0) {
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WL_ERROR(("%s: Error on gpio_request bcm43xx_irq: %d\n", __func__, host_oob_irq));
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return 1;
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}
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if (gpio_direction_input(host_oob_irq) < 0) {
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WL_ERROR(("%s: Error on gpio_direction_input\n", __func__));
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return 1;
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}
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if (gpio_set_debounce(host_oob_irq, 0) < 0)
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WL_ERROR(("%s: Error on gpio_set_debounce\n", __func__));
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host_oob_irq = gpio_to_irq(host_oob_irq);
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}
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#else
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#if defined(CUSTOM_OOB_GPIO_NUM)
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if (dhd_oob_gpio_num < 0) {
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dhd_oob_gpio_num = CUSTOM_OOB_GPIO_NUM;
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}
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#endif /* CUSTOMER_OOB_GPIO_NUM */
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if (dhd_oob_gpio_num < 0) {
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WL_ERROR(("%s: ERROR customer specific Host GPIO is NOT defined \n",
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__FUNCTION__));
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return (dhd_oob_gpio_num);
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}
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WL_ERROR(("%s: customer specific Host GPIO number is (%d)\n",
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__FUNCTION__, dhd_oob_gpio_num));
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#if defined CUSTOMER_HW
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host_oob_irq = MSM_GPIO_TO_INT(dhd_oob_gpio_num);
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#elif defined CUSTOMER_HW3
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gpio_request(dhd_oob_gpio_num, "oob irq");
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host_oob_irq = gpio_to_irq(dhd_oob_gpio_num);
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gpio_direction_input(dhd_oob_gpio_num);
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#endif /* CUSTOMER_HW */
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#endif
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return (host_oob_irq);
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}
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#endif
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int dhd_customer_oob_irq_unmap(void)
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{
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#if defined(CUSTOMER_HW2) || defined(CUSTOMER_HW4)
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int host_oob_irq = 0;
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long unsigned int irq_flags_ptr;
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host_oob_irq = wifi_get_irq_number(&irq_flags_ptr);
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if (host_oob_irq < 0)
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WL_ERROR(("%s: wifi_get_irq_number returned %d\n",
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__func__, host_oob_irq));
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else {
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if (gpio_set_debounce(host_oob_irq, 1) < 0)
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WL_ERROR(("%s: Error on gpio_set_debounce\n",
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__func__));
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gpio_free(host_oob_irq);
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}
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#endif
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return 0;
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}
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/* Customer function to control hw specific wlan gpios */
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void
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dhd_customer_gpio_wlan_ctrl(int onoff)
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{
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switch (onoff) {
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case WLAN_RESET_OFF:
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WL_TRACE(("%s: call customer specific GPIO to insert WLAN RESET\n",
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__FUNCTION__));
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#ifdef CUSTOMER_HW
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bcm_wlan_power_off(2);
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#endif /* CUSTOMER_HW */
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#if defined(CUSTOMER_HW2)
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wifi_set_power(0, WIFI_TURNOFF_DELAY);
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#endif
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WL_ERROR(("=========== WLAN placed in RESET ========\n"));
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break;
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case WLAN_RESET_ON:
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WL_TRACE(("%s: callc customer specific GPIO to remove WLAN RESET\n",
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__FUNCTION__));
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#ifdef CUSTOMER_HW
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bcm_wlan_power_on(2);
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#endif /* CUSTOMER_HW */
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#if defined(CUSTOMER_HW2)
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wifi_set_power(1, WIFI_TURNON_DELAY);
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#endif
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WL_ERROR(("=========== WLAN going back to live ========\n"));
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break;
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case WLAN_POWER_OFF:
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WL_TRACE(("%s: call customer specific GPIO to turn off WL_REG_ON\n",
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__FUNCTION__));
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#ifdef CUSTOMER_HW
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bcm_wlan_power_off(1);
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#endif /* CUSTOMER_HW */
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break;
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case WLAN_POWER_ON:
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WL_TRACE(("%s: call customer specific GPIO to turn on WL_REG_ON\n",
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__FUNCTION__));
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#ifdef CUSTOMER_HW
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bcm_wlan_power_on(1);
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/* Lets customer power to get stable */
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OSL_DELAY(200);
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#endif /* CUSTOMER_HW */
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break;
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}
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}
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#ifdef GET_CUSTOM_MAC_ENABLE
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#define MAC_ADDRESS_LEN 12
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int wifi_get_mac_addr_intel(unsigned char *buf){
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int ret = 0;
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int i;
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struct file *fp = NULL;
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unsigned char c_mac[MAC_ADDRESS_LEN];
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char fname[]="/config/wifi/mac.txt";
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WL_TRACE(("%s Enter\n", __FUNCTION__));
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fp = dhd_os_open_image(fname);
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if (fp== NULL){
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WL_ERROR(("%s: unable to open %s\n",__FUNCTION__, fname));
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return 1;
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}
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if ( dhd_os_get_image_block(c_mac, MAC_ADDRESS_LEN, fp) != MAC_ADDRESS_LEN ){
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WL_ERROR(("%s: Error on reading mac address from %s \n",__FUNCTION__, fname));
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dhd_os_close_image(fp);
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return 1;
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}
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dhd_os_close_image(fp);
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for (i =0; i< MAC_ADDRESS_LEN ; i+=2){
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c_mac[i] = bcm_isdigit(c_mac[i]) ? c_mac[i]-'0' : bcm_toupper(c_mac[i])-'A'+10;
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c_mac[i+1] = bcm_isdigit(c_mac[i+1]) ? c_mac[i+1]-'0' : bcm_toupper(c_mac[i+1])-'A'+10;
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buf[i/2] = c_mac[i]*16 + c_mac[i+1];
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}
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WL_TRACE(("%s: read from file mac address: %x:%x:%x:%x:%x:%x\n",
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__FUNCTION__, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]));
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return ret;
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}
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/* Function to get custom MAC address */
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int
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dhd_custom_get_mac_address(unsigned char *buf)
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{
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int ret = 0;
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WL_TRACE(("%s Enter\n", __FUNCTION__));
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if (!buf)
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return -EINVAL;
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/* Customer access to MAC address stored outside of DHD driver */
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#if (defined(CUSTOMER_HW2) || defined(CUSTOMER_HW10)) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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ret = wifi_get_mac_addr_intel(buf);
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#endif
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#ifdef EXAMPLE_GET_MAC
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/* EXAMPLE code */
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{
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struct ether_addr ea_example = {{0x00, 0x11, 0x22, 0x33, 0x44, 0xFF}};
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bcopy((char *)&ea_example, buf, sizeof(struct ether_addr));
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}
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#endif /* EXAMPLE_GET_MAC */
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return ret;
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}
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#endif /* GET_CUSTOM_MAC_ENABLE */
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/* Customized Locale table : OPTIONAL feature */
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const struct cntry_locales_custom translate_custom_table[] = {
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/* Table should be filled out based on custom platform regulatory requirement */
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/* Table must match BRCM firmware tables */
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/*
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* Only modify the Country Code which have a problem regarding Intel requirement.
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* Currently, on BCM4335/4339 when using "FR" it is required to use "FR/5" to enable 802.11ac.
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*
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* In addition, since Finland team is also testing 802.11ac,
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* it is required to use "FR/5" instead of "FI".
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* No issue to use FR/5 instead of FI since they are EU...
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*
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* Fix Korea country code to "KR/4" for 43340, 43241, 4335/4339 but still use "KR/0" for 4334.
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*
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* Fix US country code to "US/0" for 4334, 43340, 43241, 4335/4339. It enable 5Ghz channels.
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*/
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#ifdef BOARD_INTEL
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#if defined(SUPPORT_MULTIPLE_REVISION)
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{BCM4334_CHIP_ID, "US", "US", 0}, /* Translate US into US/0 in order to enable 5GHz band */
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{BCM4324_CHIP_ID, "US", "US", 0}, /* Translate US into US/0 in order to enable 5GHz band */
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{BCM43341_CHIP_ID, "US", "US", 0}, /* Translate US into US/0 in order to enable 5GHz band */
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{BCM4335_CHIP_ID, "US", "US", 0}, /* Translate US into US/0 in order to enable 5GHz band */
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{BCM4339_CHIP_ID, "US", "US", 0}, /* Translate US into US/0 in order to enable 5GHz band */
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{BCM4335_CHIP_ID, "FR", "FR", 5}, /* Translate FR into FR/5 in order to enable 802.11ac */
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{BCM4339_CHIP_ID, "FR", "FR", 5}, /* Translate FR into FR/5 in order to enable 802.11ac */
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{BCM4335_CHIP_ID, "FI", "FR", 5}, /* Translate FI into FR/5 in order to enable 802.11ac */
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{BCM4339_CHIP_ID, "FI", "FR", 5}, /* Translate FI into FR/5 in order to enable 802.11ac */
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{BCM4324_CHIP_ID, "KR", "KR", 4}, /* Enable correct 5Ghz channel */
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{BCM43341_CHIP_ID, "KR", "KR", 4}, /* Enable correct 5Ghz channel */
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{BCM4335_CHIP_ID, "KR", "KR", 4}, /* Enable correct 5Ghz channel */
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{BCM4339_CHIP_ID, "KR", "KR", 4}, /* Enable correct 5Ghz channel */
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#else /* SUPPORT_MULTIPLE_REVISION */
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{"US", "US", 0}, /* Translate US into US/0 in order to enable 5GHz band */
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{"FR", "FR", 5}, /* Translate FR into FR/5 in order to enable 802.11ac */
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{"FI", "FR", 5}, /* Translate FI into FR/5 in order to enable 802.11ac */
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{"KR", "KR", 4}, /* Enable correct 5Ghz channel */
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#endif /* SUPPORT_MULTIPLE_REVISION */
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#endif /* BOARD_INTEL */
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};
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/* Customized Locale convertor
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* input : ISO 3166-1 country abbreviation
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* output: customized cspec
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*/
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void get_customized_country_code(char *country_iso_code, wl_country_t *cspec)
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{
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#if defined(CUSTOMER_HW2) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
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int size, i;
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size = ARRAYSIZE(translate_custom_table);
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if (cspec == 0)
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return;
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if (size == 0)
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return;
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for (i = 0; i < size; i++) {
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uint chip = 0;
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#if defined(SUPPORT_MULTIPLE_REVISION)
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chip = bcm_get_chip_id();
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if (chip != translate_custom_table[i].chip_id) {
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continue;
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}
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#endif
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if (strcmp(country_iso_code, translate_custom_table[i].iso_abbrev) == 0) {
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memcpy(cspec->ccode,
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translate_custom_table[i].custom_locale, WLC_CNTRY_BUF_SZ);
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cspec->rev = translate_custom_table[i].custom_locale_rev;
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printk(KERN_ERR "%s: chip = %x => ccode = %s, regrev = %d\n", __func__, chip, cspec->ccode, cspec->rev);
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return;
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}
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}
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return;
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#endif /* defined(CUSTOMER_HW2) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)) */
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}
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