diff options
Diffstat (limited to 'common/wireless.c')
| -rw-r--r-- | common/wireless.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/common/wireless.c b/common/wireless.c deleted file mode 100644 index d1f5cad645..0000000000 --- a/common/wireless.c +++ /dev/null @@ -1,169 +0,0 @@ -/* Copyright 2013 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Wireless power management */ - -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "host_command.h" -#include "util.h" -#include "wireless.h" - -/* Unless told otherwise, disable wireless in suspend */ -#ifndef CONFIG_WIRELESS_SUSPEND -#define CONFIG_WIRELESS_SUSPEND 0 -#endif - -/* - * Flags which will be left on when suspending. Other flags will be disabled - * when suspending. - */ -static int suspend_flags = CONFIG_WIRELESS_SUSPEND; - -/** - * Set wireless switch state. - * - * @param flags Enable flags from ec_commands.h (EC_WIRELESS_SWITCH_*), - * 0 to turn all wireless off, or -1 to turn all wireless - * on. - * @param mask Which of those flags to set - */ -static void wireless_enable(int flags) -{ -#ifdef WIRELESS_GPIO_WLAN - gpio_set_level(WIRELESS_GPIO_WLAN, - flags & EC_WIRELESS_SWITCH_WLAN); -#endif - -#ifdef WIRELESS_GPIO_WWAN - gpio_set_level(WIRELESS_GPIO_WWAN, - flags & EC_WIRELESS_SWITCH_WWAN); -#endif - -#ifdef WIRELESS_GPIO_BLUETOOTH - gpio_set_level(WIRELESS_GPIO_BLUETOOTH, - flags & EC_WIRELESS_SWITCH_BLUETOOTH); -#endif - -#ifdef WIRELESS_GPIO_WLAN_POWER -#ifndef CONFIG_WLAN_POWER_ACTIVE_LOW - gpio_set_level(WIRELESS_GPIO_WLAN_POWER, - flags & EC_WIRELESS_SWITCH_WLAN_POWER); -#else - gpio_set_level(WIRELESS_GPIO_WLAN_POWER, - !(flags & EC_WIRELESS_SWITCH_WLAN_POWER)); -#endif /* CONFIG_WLAN_POWER_ACTIVE_LOW */ -#endif - -} - -static int wireless_get(void) -{ - int flags = 0; - -#ifdef WIRELESS_GPIO_WLAN - if (gpio_get_level(WIRELESS_GPIO_WLAN)) - flags |= EC_WIRELESS_SWITCH_WLAN; -#endif - -#ifdef WIRELESS_GPIO_WWAN - if (gpio_get_level(WIRELESS_GPIO_WWAN)) - flags |= EC_WIRELESS_SWITCH_WWAN; -#endif - -#ifdef WIRELESS_GPIO_BLUETOOTH - if (gpio_get_level(WIRELESS_GPIO_BLUETOOTH)) - flags |= EC_WIRELESS_SWITCH_BLUETOOTH; -#endif - -#ifdef WIRELESS_GPIO_WLAN_POWER -#ifndef CONFIG_WLAN_POWER_ACTIVE_LOW - if (gpio_get_level(WIRELESS_GPIO_WLAN_POWER)) -#else - if (!gpio_get_level(WIRELESS_GPIO_WLAN_POWER)) -#endif /* CONFIG_WLAN_POWER_ACTIVE_LOW */ - flags |= EC_WIRELESS_SWITCH_WLAN_POWER; -#endif - - return flags; -} - -void wireless_set_state(enum wireless_power_state state) -{ - switch (state) { - case WIRELESS_OFF: - wireless_enable(0); - break; - case WIRELESS_SUSPEND: - /* - * When suspending, only turn things off. If the AP has - * disabled WiFi power, going into S3 should not re-enable it. - */ - wireless_enable(wireless_get() & suspend_flags); - break; - case WIRELESS_ON: - wireless_enable(EC_WIRELESS_SWITCH_ALL); - break; - } -} - -static enum ec_status wireless_enable_cmd(struct host_cmd_handler_args *args) -{ - const struct ec_params_switch_enable_wireless_v1 *p = args->params; - struct ec_response_switch_enable_wireless_v1 *r = args->response; - - if (args->version == 0) { - /* Ver.0 command just set all current flags */ - wireless_enable(p->now_flags); - return EC_RES_SUCCESS; - } - - /* Ver.1 can set flags based on mask */ - wireless_enable((wireless_get() & ~p->now_mask) | - (p->now_flags & p->now_mask)); - - suspend_flags = (suspend_flags & ~p->suspend_mask) | - (p->suspend_flags & p->suspend_mask); - - /* And return the current flags */ - r->now_flags = wireless_get(); - r->suspend_flags = suspend_flags; - args->response_size = sizeof(*r); - return EC_RES_SUCCESS; -} -DECLARE_HOST_COMMAND(EC_CMD_SWITCH_ENABLE_WIRELESS, - wireless_enable_cmd, - EC_VER_MASK(0) | EC_VER_MASK(1)); - -static int command_wireless(int argc, char **argv) -{ - char *e; - int i; - - if (argc >= 2) { - i = strtoi(argv[1], &e, 0); - if (*e) - return EC_ERROR_PARAM1; - - wireless_enable(i); - } - - if (argc >= 3) { - i = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - - suspend_flags = i; - } - - ccprintf("Wireless flags: now=0x%x, suspend=0x%x\n", wireless_get(), - suspend_flags); - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(wireless, command_wireless, - "[now [suspend]]", - "Get/set wireless flags"); |