| 958 | #endif /* RT_SERIAL_USING_DMA */ |
| 959 | |
| 960 | static rt_err_t hpm_uart_control(struct rt_serial_device *serial, int cmd, void *arg) |
| 961 | { |
| 962 | RT_ASSERT(serial != RT_NULL); |
| 963 | |
| 964 | rt_ubase_t ctrl_arg = (rt_ubase_t) arg; |
| 965 | uint8_t *tmp_buffer = NULL; |
| 966 | struct rt_serial_rx_fifo *rx_fifo = (struct rt_serial_rx_fifo*)serial->serial_rx; |
| 967 | struct rt_serial_tx_fifo *tx_fifo = (struct rt_serial_tx_fifo*)serial->serial_tx; |
| 968 | struct hpm_uart *uart = (struct hpm_uart *)serial->parent.user_data; |
| 969 | |
| 970 | if(ctrl_arg & (RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_RX_NON_BLOCKING)) |
| 971 | { |
| 972 | #ifdef RT_SERIAL_USING_DMA |
| 973 | if (uart->dma_flags & RT_DEVICE_FLAG_DMA_RX) |
| 974 | { |
| 975 | ctrl_arg = RT_DEVICE_FLAG_DMA_RX; |
| 976 | } |
| 977 | else |
| 978 | #endif |
| 979 | { |
| 980 | ctrl_arg = RT_DEVICE_FLAG_INT_RX; |
| 981 | } |
| 982 | } |
| 983 | else if(ctrl_arg & (RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING)) |
| 984 | { |
| 985 | #ifdef RT_SERIAL_USING_DMA |
| 986 | if (uart->dma_flags & RT_DEVICE_FLAG_DMA_TX) |
| 987 | { |
| 988 | ctrl_arg = RT_DEVICE_FLAG_DMA_TX; |
| 989 | } |
| 990 | else |
| 991 | #endif |
| 992 | { |
| 993 | ctrl_arg = RT_DEVICE_FLAG_INT_TX; |
| 994 | } |
| 995 | } |
| 996 | |
| 997 | switch (cmd) { |
| 998 | case RT_DEVICE_CTRL_CLR_INT: |
| 999 | if (ctrl_arg == RT_DEVICE_FLAG_INT_RX) { |
| 1000 | /* disable rx irq */ |
| 1001 | uart_disable_irq(uart->uart_base, uart_intr_rx_data_avail_or_timeout); |
| 1002 | intc_m_disable_irq(uart->irq_num); |
| 1003 | } |
| 1004 | else if (ctrl_arg == RT_DEVICE_FLAG_INT_TX) { |
| 1005 | /* disable tx irq */ |
| 1006 | uart_disable_irq(uart->uart_base, uart_intr_tx_slot_avail); |
| 1007 | intc_m_disable_irq(uart->irq_num); |
| 1008 | } |
| 1009 | #ifdef RT_SERIAL_USING_DMA |
| 1010 | else if (ctrl_arg == RT_DEVICE_FLAG_DMA_TX) { |
| 1011 | dma_mgr_disable_chn_irq(&uart->tx_chn_ctx.resource, DMA_INTERRUPT_MASK_ALL); |
| 1012 | dma_abort_channel(uart->tx_chn_ctx.resource.base, uart->tx_chn_ctx.resource.channel); |
| 1013 | if (uart->tx_chn_ctx.ringbuf_ptr != RT_NULL) { |
| 1014 | rt_free(uart->tx_chn_ctx.ringbuf_ptr); |
| 1015 | uart->tx_chn_ctx.ringbuf_ptr = RT_NULL; |
| 1016 | } |
| 1017 | } else if (ctrl_arg == RT_DEVICE_FLAG_DMA_RX) { |
nothing calls this directly
no test coverage detected