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Merge branch 'bugfix/btdm_check_EXT_CRYS_state_for_sleep_clk' into 'master'

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bugfix/btdm_check_EXT_CRYS_state_for_sleep_clk

Closes BT-582

See merge request espressif/esp-idf!7439
This commit is contained in:
Jiang Jiang Jian 2020-02-21 21:21:54 +08:00
commit 7092613eea
1 changed files with 81 additions and 64 deletions
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145
components/bt/controller/bt.c
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@ -79,14 +79,6 @@
#define BTDM_MIN_SLEEP_DURATION (12) // threshold of interval in slots to allow to fall into modem sleep
#define BTDM_MODEM_WAKE_UP_DELAY (4) // delay in slots of modem wake up procedure, including re-enable PHY/RF
#ifdef CONFIG_PM_ENABLE
#ifndef CONFIG_BTDM_LPCLK_SEL_MAIN_XTAL
#define BTDM_ALLOW_LIGHT_SLEEP 1
#else
#define BTDM_ALLOW_LIGHT_SLEEP 0
#endif
#endif
#define BT_DEBUG(...)
#define BT_API_CALL_CHECK(info, api_call, ret) \
do{\
@ -384,16 +376,21 @@ static DRAM_ATTR portMUX_TYPE global_int_mux = portMUX_INITIALIZER_UNLOCKED;
static DRAM_ATTR uint32_t btdm_lpcycle_us = 0;
static DRAM_ATTR uint8_t btdm_lpcycle_us_frac = 0; // number of fractional bit for btdm_lpcycle_us
#if CONFIG_BTDM_MODEM_SLEEP_MODE_ORIG
// used low power clock
static DRAM_ATTR uint8_t btdm_lpclk_sel;
#endif /* #ifdef CONFIG_BTDM_MODEM_SLEEP_MODE_ORIG */
#ifdef CONFIG_PM_ENABLE
static DRAM_ATTR esp_timer_handle_t s_btdm_slp_tmr;
static DRAM_ATTR esp_pm_lock_handle_t s_pm_lock;
static DRAM_ATTR QueueHandle_t s_pm_lock_sem = NULL;
#if !BTDM_ALLOW_LIGHT_SLEEP
static DRAM_ATTR bool s_btdm_allow_light_sleep;
// pm_lock to prevent light sleep when using main crystal as Bluetooth low power clock
static DRAM_ATTR esp_pm_lock_handle_t s_light_sleep_pm_lock;
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
static void btdm_slp_tmr_callback(void *arg);
#endif
#endif /* #ifdef CONFIG_PM_ENABLE */
static inline void btdm_check_and_init_bb(void)
{
@ -1133,12 +1130,63 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
memset(btdm_queue_table, 0, sizeof(btdm_queue_item_t) * BTDM_MAX_QUEUE_NUM);
#endif
btdm_controller_mem_init();
periph_module_enable(PERIPH_BT_MODULE);
#ifdef CONFIG_PM_ENABLE
#if !BTDM_ALLOW_LIGHT_SLEEP
if ((err = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, "btLS", &s_light_sleep_pm_lock)) != ESP_OK) {
goto error;
s_btdm_allow_light_sleep = false;
#endif
#if CONFIG_BTDM_MODEM_SLEEP_MODE_ORIG
btdm_lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
#if CONFIG_BTDM_LPCLK_SEL_EXT_32K_XTAL
// check whether or not EXT_CRYS is working
if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_32K_XTAL) {
btdm_lpclk_sel = BTDM_LPCLK_SEL_XTAL32K; // set default value
#ifdef CONFIG_PM_ENABLE
s_btdm_allow_light_sleep = true;
#endif
} else {
ESP_LOGW(BTDM_LOG_TAG, "32.768kHz XTAL not detected, fall back to main XTAL as Bluetooth sleep clock\n"
"light sleep mode will not be able to apply when bluetooth is enabled");
btdm_lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
}
#else
btdm_lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
#endif
bool select_src_ret, set_div_ret;
if (btdm_lpclk_sel == BTDM_LPCLK_SEL_XTAL) {
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_XTAL);
set_div_ret = btdm_lpclk_set_div(rtc_clk_xtal_freq_get() * 2 - 1);
assert(select_src_ret && set_div_ret);
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;
btdm_lpcycle_us = 2 << (btdm_lpcycle_us_frac);
} else { // btdm_lpclk_sel == BTDM_LPCLK_SEL_XTAL32K
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_XTAL32K);
set_div_ret = btdm_lpclk_set_div(0);
assert(select_src_ret && set_div_ret);
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;
btdm_lpcycle_us = (RTC_CLK_CAL_FRACT > 15) ? (1000000 << (RTC_CLK_CAL_FRACT - 15)) :
(1000000 >> (15 - RTC_CLK_CAL_FRACT));
assert(btdm_lpcycle_us != 0);
}
btdm_controller_set_sleep_mode(BTDM_MODEM_SLEEP_MODE_ORIG);
#elif CONFIG_BTDM_MODEM_SLEEP_MODE_EVED
btdm_controller_set_sleep_mode(BTDM_MODEM_SLEEP_MODE_EVED);
#else
btdm_controller_set_sleep_mode(BTDM_MODEM_SLEEP_MODE_NONE);
#endif
#ifdef CONFIG_PM_ENABLE
if (!s_btdm_allow_light_sleep) {
if ((err = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, "btLS", &s_light_sleep_pm_lock)) != ESP_OK) {
goto error;
}
}
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
if ((err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "bt", &s_pm_lock)) != ESP_OK) {
goto error;
}
@ -1158,37 +1206,6 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
}
#endif
btdm_controller_mem_init();
periph_module_enable(PERIPH_BT_MODULE);
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;
btdm_lpcycle_us = 32 << btdm_lpcycle_us_frac;
#if CONFIG_BTDM_MODEM_SLEEP_MODE_ORIG
bool select_src_ret = false;
bool set_div_ret = false;
#if CONFIG_BTDM_LPCLK_SEL_MAIN_XTAL
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_XTAL);
set_div_ret = btdm_lpclk_set_div(rtc_clk_xtal_freq_get() * 2 - 1);
assert(select_src_ret && set_div_ret);
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;
btdm_lpcycle_us = 2 << (btdm_lpcycle_us_frac);
#elif CONFIG_BTDM_LPCLK_SEL_EXT_32K_XTAL
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_XTAL32K);
set_div_ret = btdm_lpclk_set_div(0);
assert(select_src_ret && set_div_ret);
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;
btdm_lpcycle_us = (RTC_CLK_CAL_FRACT > 15) ? (1000000 << (RTC_CLK_CAL_FRACT - 15)) :
(1000000 >> (15 - RTC_CLK_CAL_FRACT));
assert(btdm_lpcycle_us != 0);
#endif // CONFIG_BTDM_LPCLK_SEL_XX
btdm_controller_set_sleep_mode(BTDM_MODEM_SLEEP_MODE_ORIG);
#elif CONFIG_BTDM_MODEM_SLEEP_MODE_EVED
btdm_controller_set_sleep_mode(BTDM_MODEM_SLEEP_MODE_EVED);
#else
btdm_controller_set_sleep_mode(BTDM_MODEM_SLEEP_MODE_NONE);
#endif
btdm_cfg_mask = btdm_config_mask_load();
if (btdm_controller_init(btdm_cfg_mask, cfg) != 0) {
@ -1208,12 +1225,12 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
error:
#ifdef CONFIG_PM_ENABLE
#if !BTDM_ALLOW_LIGHT_SLEEP
if (s_light_sleep_pm_lock != NULL) {
esp_pm_lock_delete(s_light_sleep_pm_lock);
s_light_sleep_pm_lock = NULL;
if (!s_btdm_allow_light_sleep) {
if (s_light_sleep_pm_lock != NULL) {
esp_pm_lock_delete(s_light_sleep_pm_lock);
s_light_sleep_pm_lock = NULL;
}
}
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
if (s_pm_lock != NULL) {
esp_pm_lock_delete(s_pm_lock);
s_pm_lock = NULL;
@ -1241,10 +1258,10 @@ esp_err_t esp_bt_controller_deinit(void)
periph_module_disable(PERIPH_BT_MODULE);
#ifdef CONFIG_PM_ENABLE
#if !BTDM_ALLOW_LIGHT_SLEEP
esp_pm_lock_delete(s_light_sleep_pm_lock);
s_light_sleep_pm_lock = NULL;
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
if (!s_btdm_allow_light_sleep) {
esp_pm_lock_delete(s_light_sleep_pm_lock);
s_light_sleep_pm_lock = NULL;
}
esp_pm_lock_delete(s_pm_lock);
s_pm_lock = NULL;
esp_timer_stop(s_btdm_slp_tmr);
@ -1285,9 +1302,9 @@ esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
}
#ifdef CONFIG_PM_ENABLE
#if !BTDM_ALLOW_LIGHT_SLEEP
esp_pm_lock_acquire(s_light_sleep_pm_lock);
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
if (!s_btdm_allow_light_sleep) {
esp_pm_lock_acquire(s_light_sleep_pm_lock);
}
esp_pm_lock_acquire(s_pm_lock);
#endif
@ -1325,9 +1342,9 @@ esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
}
esp_phy_rf_deinit(PHY_BT_MODULE);
#ifdef CONFIG_PM_ENABLE
#if !BTDM_ALLOW_LIGHT_SLEEP
esp_pm_lock_release(s_light_sleep_pm_lock);
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
if (!s_btdm_allow_light_sleep) {
esp_pm_lock_release(s_light_sleep_pm_lock);
}
esp_pm_lock_release(s_pm_lock);
#endif
return ESP_ERR_INVALID_STATE;
@ -1368,9 +1385,9 @@ esp_err_t esp_bt_controller_disable(void)
btdm_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
#ifdef CONFIG_PM_ENABLE
#if !BTDM_ALLOW_LIGHT_SLEEP
esp_pm_lock_release(s_light_sleep_pm_lock);
#endif /* #if !BTDM_ALLOW_LIGHT_SLEEP */
if (!s_btdm_allow_light_sleep) {
esp_pm_lock_release(s_light_sleep_pm_lock);
}
esp_pm_lock_release(s_pm_lock);
#endif