drivers/net/wireless/bcmdhd/dhd_custom_gpio.c - pub/scm/linux/kernel/git/jic23/parrot - Git at Google

 /*
 * 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)) */
 }
	/*
	* 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)) */
	}