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gdma: support override default channel priority

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This commit is contained in:
morris 2023-03-09 11:42:06 +08:00
parent 033f737205
commit 1429913042
8 changed files with 50 additions and 2 deletions
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22
components/esp_hw_support/dma/gdma.c
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@ -359,6 +359,24 @@ err:
return ret;
}
esp_err_t gdma_set_priority(gdma_channel_handle_t dma_chan, uint32_t priority)
{
gdma_pair_t *pair = NULL;
gdma_group_t *group = NULL;
ESP_RETURN_ON_FALSE(dma_chan && priority <= GDMA_LL_CHANNEL_MAX_PRIORITY, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
pair = dma_chan->pair;
group = pair->group;
if (dma_chan->direction == GDMA_CHANNEL_DIRECTION_TX) {
gdma_ll_tx_set_priority(group->hal.dev, pair->pair_id, priority);
} else {
gdma_ll_rx_set_priority(group->hal.dev, pair->pair_id, priority);
}
return ESP_OK;
}
esp_err_t gdma_register_tx_event_callbacks(gdma_channel_handle_t dma_chan, gdma_tx_event_callbacks_t *cbs, void *user_data)
{
esp_err_t ret = ESP_OK;
@ -651,6 +669,8 @@ static esp_err_t gdma_del_tx_channel(gdma_channel_t *dma_channel)
ESP_LOGD(TAG, "uninstall interrupt service for tx channel (%d,%d)", group_id, pair_id);
}
gdma_ll_tx_set_priority(group->hal.dev, pair_id, 0); // reset the priority to 0 (lowest)
free(tx_chan);
ESP_LOGD(TAG, "del tx channel (%d,%d)", group_id, pair_id);
// channel has a reference on pair, release it now
@ -679,6 +699,8 @@ static esp_err_t gdma_del_rx_channel(gdma_channel_t *dma_channel)
ESP_LOGD(TAG, "uninstall interrupt service for rx channel (%d,%d)", group_id, pair_id);
}
gdma_ll_rx_set_priority(group->hal.dev, pair_id, 0); // reset the priority to 0 (lowest)
free(rx_chan);
ESP_LOGD(TAG, "del rx channel (%d,%d)", group_id, pair_id);
gdma_release_pair_handle(pair);

18
components/esp_hw_support/include/esp_private/gdma.h
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@ -177,14 +177,28 @@ esp_err_t gdma_set_transfer_ability(gdma_channel_handle_t dma_chan, const gdma_t
/**
* @brief Apply channel strategy for GDMA channel
*
* @param dma_chan GDMA channel handle, allocated by `gdma_new_channel`
* @param config Configuration of GDMA channel strategy
* @param[in] dma_chan GDMA channel handle, allocated by `gdma_new_channel`
* @param[in] config Configuration of GDMA channel strategy
* - ESP_OK: Apply channel strategy successfully
* - ESP_ERR_INVALID_ARG: Apply channel strategy failed because of invalid argument
* - ESP_FAIL: Apply channel strategy failed because of other error
*/
esp_err_t gdma_apply_strategy(gdma_channel_handle_t dma_chan, const gdma_strategy_config_t *config);
/**
* @brief Set GDMA channel priority
*
* @note By default, all GDMA channels are with the same priority: 0. Channels with the same priority are served in round-robin manner.
*
* @param[in] dma_chan GDMA channel handle, allocated by `gdma_new_channel`
* @param[in] priority Priority of GDMA channel, higher value means higher priority
* @return
* - ESP_OK: Set GDMA channel priority successfully
* - ESP_ERR_INVALID_ARG: Set GDMA channel priority failed because of invalid argument, e.g. priority out of range [0,GDMA_LL_CHANNEL_MAX_PRIORITY]
* - ESP_FAIL: Set GDMA channel priority failed because of other error
*/
esp_err_t gdma_set_priority(gdma_channel_handle_t dma_chan, uint32_t priority);
/**
* @brief Delete GDMA channel
* @note If you call `gdma_new_channel` several times for a same peripheral, make sure you call this API the same times.

2
components/hal/esp32c2/include/hal/gdma_ll.h
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@ -18,6 +18,8 @@ extern "C" {
#define GDMA_LL_GET_HW(id) (((id) == 0) ? (&GDMA) : NULL)
#define GDMA_LL_CHANNEL_MAX_PRIORITY 5 // supported priority levels: [0,5]
#define GDMA_LL_RX_EVENT_MASK (0x06A7)
#define GDMA_LL_TX_EVENT_MASK (0x1958)

2
components/hal/esp32c3/include/hal/gdma_ll.h
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@ -18,6 +18,8 @@ extern "C" {
#define GDMA_LL_GET_HW(id) (((id) == 0) ? (&GDMA) : NULL)
#define GDMA_LL_CHANNEL_MAX_PRIORITY 5 // supported priority levels: [0,5]
#define GDMA_LL_RX_EVENT_MASK (0x06A7)
#define GDMA_LL_TX_EVENT_MASK (0x1958)

2
components/hal/esp32c6/include/hal/gdma_ll.h
View File

@ -19,6 +19,8 @@ extern "C" {
#define GDMA_LL_GET_HW(id) (((id) == 0) ? (&GDMA) : NULL)
#define GDMA_LL_CHANNEL_MAX_PRIORITY 5 // supported priority levels: [0,5]
#define GDMA_LL_RX_EVENT_MASK (0x7F)
#define GDMA_LL_TX_EVENT_MASK (0x3F)

2
components/hal/esp32h2/include/hal/gdma_ll.h
View File

@ -19,6 +19,8 @@ extern "C" {
#define GDMA_LL_GET_HW(id) (((id) == 0) ? (&GDMA) : NULL)
#define GDMA_LL_CHANNEL_MAX_PRIORITY 5 // supported priority levels: [0,5]
#define GDMA_LL_RX_EVENT_MASK (0x7F)
#define GDMA_LL_TX_EVENT_MASK (0x3F)

2
components/hal/esp32h4/include/hal/gdma_ll.h
View File

@ -18,6 +18,8 @@ extern "C" {
#define GDMA_LL_GET_HW(id) (((id) == 0) ? (&GDMA) : NULL)
#define GDMA_LL_CHANNEL_MAX_PRIORITY 5 // supported priority levels: [0,5]
#define GDMA_LL_RX_EVENT_MASK (0x06A7)
#define GDMA_LL_TX_EVENT_MASK (0x1958)

2
components/hal/esp32s3/include/hal/gdma_ll.h
View File

@ -18,6 +18,8 @@ extern "C" {
#define GDMA_LL_GET_HW(id) (((id) == 0) ? (&GDMA) : NULL)
#define GDMA_LL_CHANNEL_MAX_PRIORITY 5 // supported priority levels: [0,5]
#define GDMA_LL_RX_EVENT_MASK (0x3FF)
#define GDMA_LL_TX_EVENT_MASK (0xFF)