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change(driver/i2c): use new retention api to implement i2c retention

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This commit is contained in:
Li Shuai 2024-02-26 11:01:03 +08:00
parent c07be48edb
commit 91bb0e7276
2 changed files with 43 additions and 6 deletions
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24
components/driver/i2c/i2c.c
View File

@ -276,6 +276,16 @@ static void i2c_hw_enable(i2c_port_t i2c_num)
I2C_EXIT_CRITICAL(&(i2c_context[i2c_num].spinlock));
}
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
static esp_err_t i2c_sleep_retention_init(void *arg)
{
i2c_port_t i2c_num = *(i2c_port_t *)arg;
esp_err_t ret = sleep_retention_entries_create(i2c_regs_retention[i2c_num].link_list, i2c_regs_retention[i2c_num].link_num, REGDMA_LINK_PRI_7, I2C_SLEEP_RETENTION_MODULE(i2c_num));
ESP_RETURN_ON_ERROR(ret, I2C_TAG, "failed to allocate mem for sleep retention");
return ret;
}
#endif
/*
For i2c master mode, we don't need to use a buffer for the data, the APIs will execute the master commands
and return after all of the commands have been sent out or when error occurs. So when we send master commands,
@ -415,8 +425,13 @@ esp_err_t i2c_driver_install(i2c_port_t i2c_num, i2c_mode_t mode, size_t slv_rx_
#endif // SOC_I2C_SUPPORT_SLAVE
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP && !CONFIG_IDF_TARGET_ESP32P4 // TODO: IDF-9353
ret = sleep_retention_entries_create(i2c_regs_retention[i2c_num].link_list, i2c_regs_retention[i2c_num].link_num, REGDMA_LINK_PRI_7, I2C_SLEEP_RETENTION_MODULE(i2c_num));
ESP_GOTO_ON_ERROR(ret, err, I2C_TAG, "failed to allocate mem for sleep retention");
sleep_retention_module_init_param_t init_param = {
.cbs = { .create = { .handle = i2c_sleep_retention_init, .arg = &i2c_num } }
};
ret = sleep_retention_module_init(I2C_SLEEP_RETENTION_MODULE(i2c_num), &init_param);
if (ret == ESP_OK) {
sleep_retention_module_allocate(I2C_SLEEP_RETENTION_MODULE(i2c_num));
}
#endif
return ESP_OK;
@ -471,7 +486,10 @@ esp_err_t i2c_driver_delete(i2c_port_t i2c_num)
p_i2c->intr_handle = NULL;
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP && !CONFIG_IDF_TARGET_ESP32P4 // TODO: IDF-9353
sleep_retention_entries_destroy(I2C_SLEEP_RETENTION_MODULE(i2c_num));
esp_err_t err = sleep_retention_module_free(I2C_SLEEP_RETENTION_MODULE(i2c_num));
if (err == ESP_OK) {
err = sleep_retention_module_deinit(I2C_SLEEP_RETENTION_MODULE(i2c_num));
}
#endif
if (p_i2c->cmd_mux) {

25
components/esp_driver_i2c/i2c_common.c
View File

@ -41,6 +41,17 @@ typedef struct i2c_platform_t {
static i2c_platform_t s_i2c_platform = {}; // singleton platform
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
static esp_err_t s_i2c_sleep_retention_init(void *arg)
{
i2c_bus_t *bus = (i2c_bus_t *)arg;
i2c_port_num_t port_num = bus->port_num;
esp_err_t ret = sleep_retention_entries_create(i2c_regs_retention[port_num].link_list, i2c_regs_retention[port_num].link_num, REGDMA_LINK_PRI_7, I2C_SLEEP_RETENTION_MODULE(port_num));
ESP_RETURN_ON_ERROR(ret, TAG, "failed to allocate mem for sleep retention");
return ret;
}
#endif
static esp_err_t s_i2c_bus_handle_acquire(i2c_port_num_t port_num, i2c_bus_handle_t *i2c_new_bus, i2c_bus_mode_t mode)
{
#if CONFIG_I2C_ENABLE_DEBUG_LOG
@ -60,8 +71,13 @@ static esp_err_t s_i2c_bus_handle_acquire(i2c_port_num_t port_num, i2c_bus_handl
bus->bus_mode = mode;
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP && !CONFIG_IDF_TARGET_ESP32P4 // TODO: IDF-9353
ret = sleep_retention_entries_create(i2c_regs_retention[port_num].link_list, i2c_regs_retention[port_num].link_num, REGDMA_LINK_PRI_7, I2C_SLEEP_RETENTION_MODULE(port_num));
ESP_RETURN_ON_ERROR(ret, TAG, "failed to allocate mem for sleep retention");
sleep_retention_module_init_param_t init_param = {
.cbs = { .create = { .handle = s_i2c_sleep_retention_init, .arg = (void *)bus } }
};
ret = sleep_retention_module_init(I2C_SLEEP_RETENTION_MODULE(port_num), &init_param);
if (ret == ESP_OK) {
sleep_retention_module_allocate(I2C_SLEEP_RETENTION_MODULE(port_num));
}
#endif
// Enable the I2C module
@ -138,7 +154,10 @@ esp_err_t i2c_release_bus_handle(i2c_bus_handle_t i2c_bus)
do_deinitialize = true;
s_i2c_platform.buses[port_num] = NULL;
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP && !CONFIG_IDF_TARGET_ESP32P4 // TODO: IDF-9353
sleep_retention_entries_destroy(I2C_SLEEP_RETENTION_MODULE(port_num));
esp_err_t err = sleep_retention_module_free(I2C_SLEEP_RETENTION_MODULE(port_num));
if (err == ESP_OK) {
err = sleep_retention_module_deinit(I2C_SLEEP_RETENTION_MODULE(port_num));
}
#endif
if (i2c_bus->intr_handle) {
ESP_RETURN_ON_ERROR(esp_intr_free(i2c_bus->intr_handle), TAG, "delete interrupt service failed");