294 lines
8.0 KiB
C
294 lines
8.0 KiB
C
/*
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* Customer code to add GPIO control during WLAN start/stop
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* Copyright (C) 1999-2012, 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 291086 2011-10-21 01:17:24Z $
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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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#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_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_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 /* CUSTOMER_HW2 */
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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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#ifdef CUSTOMER_HW3
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#include <mach/gpio.h>
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#endif
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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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#ifdef CUSTOMER_HW2
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host_oob_irq = wifi_get_irq_number(irq_flags_ptr);
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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_HW2 */
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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 /* CUSTOMER_HW2 */
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return (host_oob_irq);
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}
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#endif /* defined(OOB_INTR_ONLY) */
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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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#ifdef CUSTOMER_HW2
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wifi_set_power(0, 0);
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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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#ifdef CUSTOMER_HW2
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wifi_set_power(1, 0);
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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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/* 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) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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ret = wifi_get_mac_addr(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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#ifdef EXAMPLE_TABLE
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{"", "XY", 4}, /* Universal if Country code is unknown or empty */
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{"US", "US", 69}, /* input ISO "US" to : US regrev 69 */
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{"CA", "US", 69}, /* input ISO "CA" to : US regrev 69 */
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{"EU", "EU", 5}, /* European union countries to : EU regrev 05 */
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{"AT", "EU", 5},
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{"BE", "EU", 5},
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{"BG", "EU", 5},
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{"CY", "EU", 5},
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{"CZ", "EU", 5},
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{"DK", "EU", 5},
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{"EE", "EU", 5},
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{"FI", "EU", 5},
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{"FR", "EU", 5},
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{"DE", "EU", 5},
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{"GR", "EU", 5},
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{"HU", "EU", 5},
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{"IE", "EU", 5},
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{"IT", "EU", 5},
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{"LV", "EU", 5},
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{"LI", "EU", 5},
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{"LT", "EU", 5},
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{"LU", "EU", 5},
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{"MT", "EU", 5},
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{"NL", "EU", 5},
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{"PL", "EU", 5},
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{"PT", "EU", 5},
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{"RO", "EU", 5},
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{"SK", "EU", 5},
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{"SI", "EU", 5},
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{"ES", "EU", 5},
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{"SE", "EU", 5},
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{"GB", "EU", 5},
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{"KR", "XY", 3},
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{"AU", "XY", 3},
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{"CN", "XY", 3}, /* input ISO "CN" to : XY regrev 03 */
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{"TW", "XY", 3},
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{"AR", "XY", 3},
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{"MX", "XY", 3},
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{"IL", "IL", 0},
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{"CH", "CH", 0},
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{"TR", "TR", 0},
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{"NO", "NO", 0},
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#endif /* EXMAPLE_TABLE */
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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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struct cntry_locales_custom *cloc_ptr;
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if (!cspec)
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return;
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cloc_ptr = wifi_get_country_code(country_iso_code);
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if (cloc_ptr) {
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strlcpy(cspec->ccode, cloc_ptr->custom_locale, WLC_CNTRY_BUF_SZ);
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cspec->rev = cloc_ptr->custom_locale_rev;
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}
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return;
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#else
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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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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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return;
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}
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}
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#ifdef EXAMPLE_TABLE
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/* if no country code matched return first universal code from translate_custom_table */
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memcpy(cspec->ccode, translate_custom_table[0].custom_locale, WLC_CNTRY_BUF_SZ);
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cspec->rev = translate_custom_table[0].custom_locale_rev;
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#endif /* EXMAPLE_TABLE */
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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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