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Bluetooth: Controller: Add deinit() infrastructure

Browse source 
Allow the controller to be deinitialized, adding the whole chain of
calls:

- ll_deinit()
- lll_deinit()
- lll_clock_deinit()

in order to be able to turn everything off, including the controller's
refcount of the LF clock.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
This commit is contained in:
Carles Cufi 2022-06-02 15:40:40 +02:00 committed by Carles Cufí
parent 11da95bb4d
commit 4349a475a8
7 changed files with 61 additions and 8 deletions
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1
subsys/bluetooth/controller/include/ll.h
View file

@ -6,6 +6,7 @@
*/
int ll_init(struct k_sem *sem_rx);
int ll_deinit(void);
void ll_reset(void);
uint8_t ll_set_host_feature(uint8_t bit_number, uint8_t bit_value);

1
subsys/bluetooth/controller/ll_sw/lll.h
View file

@ -537,6 +537,7 @@ struct node_tx_iso;
void lll_done_score(void *param, uint8_t result);
int lll_init(void);
int lll_deinit(void);
int lll_reset(void);
void lll_resume(void *param);
void lll_disable(void *param);

1
subsys/bluetooth/controller/ll_sw/lll_clock.h
View file

@ -5,6 +5,7 @@
*/
int lll_clock_init(void);
int lll_clock_deinit(void);
int lll_clock_wait(void);
int lll_hfclock_on(void);
int lll_hfclock_on_wait(void);

30
subsys/bluetooth/controller/ll_sw/nordic/lll/lll.c
View file

@ -202,16 +202,38 @@ int lll_init(void)
irq_enable(RADIO_IRQn);
irq_enable(RTC0_IRQn);
irq_enable(HAL_SWI_RADIO_IRQ);
#if defined(CONFIG_BT_CTLR_LOW_LAT) || \
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)
irq_enable(HAL_SWI_JOB_IRQ);
#endif
if (IS_ENABLED(CONFIG_BT_CTLR_LOW_LAT) ||
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)) {
irq_enable(HAL_SWI_JOB_IRQ);
}
radio_setup();
return 0;
}
int lll_deinit(void)
{
int err;
/* Release clocks */
err = lll_clock_deinit();
if (err < 0) {
return err;
}
/* Disable IRQs */
irq_disable(RADIO_IRQn);
irq_disable(RTC0_IRQn);
irq_disable(HAL_SWI_RADIO_IRQ);
if (IS_ENABLED(CONFIG_BT_CTLR_LOW_LAT) ||
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)) {
irq_disable(HAL_SWI_JOB_IRQ);
}
return 0;
}
int lll_csrand_get(void *buf, size_t len)
{
return entropy_get_entropy(dev_entropy, buf, len);

8
subsys/bluetooth/controller/ll_sw/nordic/lll/lll_clock.c
View file

@ -64,6 +64,14 @@ int lll_clock_init(void)
return onoff_request(mgr, &lf_cli);
}
int lll_clock_deinit(void)
{
struct onoff_manager *mgr =
z_nrf_clock_control_get_onoff(CLOCK_CONTROL_NRF_SUBSYS_LF);
return onoff_release(mgr);
}
int lll_clock_wait(void)
{
struct onoff_manager *mgr;

22
subsys/bluetooth/controller/ll_sw/openisa/lll/lll.c
View file

@ -155,10 +155,10 @@ int lll_init(void)
irq_enable(LL_RADIO_IRQn);
irq_enable(LL_RTC0_IRQn);
irq_enable(HAL_SWI_RADIO_IRQ);
#if defined(CONFIG_BT_CTLR_LOW_LAT) || \
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)
irq_enable(HAL_SWI_JOB_IRQ);
#endif
if (IS_ENABLED(CONFIG_BT_CTLR_LOW_LAT) ||
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)) {
irq_enable(HAL_SWI_JOB_IRQ);
}
/* Call it after IRQ enable to be able to measure ISR latency */
radio_setup();
@ -166,6 +166,20 @@ int lll_init(void)
return 0;
}
int lll_deinit(void)
{
/* Disable IRQs */
irq_disable(LL_RADIO_IRQn);
irq_disable(LL_RTC0_IRQn);
irq_disable(HAL_SWI_RADIO_IRQ);
if (IS_ENABLED(CONFIG_BT_CTLR_LOW_LAT) ||
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)) {
irq_disable(HAL_SWI_JOB_IRQ);
}
return 0;
}
int lll_csrand_get(void *buf, size_t len)
{
return entropy_get_entropy(dev_entropy, buf, len);

6
subsys/bluetooth/controller/ll_sw/ull.c
View file

@ -699,6 +699,12 @@ int ll_init(struct k_sem *sem_rx)
return 0;
}
int ll_deinit(void)
{
ll_reset();
return lll_deinit();
}
void ll_reset(void)
{
int err;