/* * Copyright (C) 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. */ /* * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ #include #include #include #include #include "serial.h" #ifdef CONFIG_SND_MXC_SOC_IRAM #define soc_trans_type int_2_per #else #define soc_trans_type emi_2_per #endif #define MXC_SSI_TX0_REG 0x0 #define MXC_SSI_TX1_REG 0x4 #define MXC_SSI_RX0_REG 0x8 #define MXC_SSI_RX1_REG 0xC #define MXC_SSI_TXFIFO_WML 0x4 #define MXC_SSI_RXFIFO_WML 0x6 #define MXC_ESAI_TX_REG 0x00 #define MXC_ESAI_RX_REG 0x04 #define MXC_ESAI_FIFO_WML 0x40 struct mxc_sdma_info_entry_s { mxc_dma_device_t device; mxc_sdma_channel_params_t *chnl_info; }; static mxc_sdma_channel_params_t mxc_sdma_uart1_rx_params = { .chnl_params = { .watermark_level = UART1_UFCR_RXTL, .per_address = MX25_UART1_BASE_ADDR, .peripheral_type = UART, .transfer_type = per_2_emi, .event_id = DMA_REQ_UART1_RX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART1_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart1_tx_params = { .chnl_params = { .watermark_level = UART1_UFCR_TXTL, .per_address = MX25_UART1_BASE_ADDR + MXC_UARTUTXD, .peripheral_type = UART, .transfer_type = emi_2_per, .event_id = DMA_REQ_UART1_TX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART1_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart2_rx_params = { .chnl_params = { .watermark_level = UART2_UFCR_RXTL, .per_address = MX25_UART2_BASE_ADDR, .peripheral_type = UART, .transfer_type = per_2_emi, .event_id = DMA_REQ_UART2_RX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART2_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart2_tx_params = { .chnl_params = { .watermark_level = UART2_UFCR_TXTL, .per_address = MX25_UART2_BASE_ADDR + MXC_UARTUTXD, .peripheral_type = UART, .transfer_type = emi_2_per, .event_id = DMA_REQ_UART2_TX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART2_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart3_rx_params = { .chnl_params = { .watermark_level = UART3_UFCR_RXTL, .per_address = MX25_UART3_BASE_ADDR, .peripheral_type = UART_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_UART3_RX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART3_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart3_tx_params = { .chnl_params = { .watermark_level = UART3_UFCR_TXTL, .per_address = MX25_UART3_BASE_ADDR + MXC_UARTUTXD, .peripheral_type = UART_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_UART3_TX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART3_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart4_rx_params = { .chnl_params = { .watermark_level = UART4_UFCR_RXTL, .per_address = MX25_UART4_BASE_ADDR, .peripheral_type = UART_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_UART4_RX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART4_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart4_tx_params = { .chnl_params = { .watermark_level = UART4_UFCR_TXTL, .per_address = MX25_UART4_BASE_ADDR + MXC_UARTUTXD, .peripheral_type = UART_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_UART4_TX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART4_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart5_rx_params = { .chnl_params = { .watermark_level = UART5_UFCR_RXTL, .per_address = MX25_UART5_BASE_ADDR, .peripheral_type = UART_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_UART5_RX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART5_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_uart5_tx_params = { .chnl_params = { .watermark_level = UART5_UFCR_TXTL, .per_address = MX25_UART5_BASE_ADDR + MXC_UARTUTXD, .peripheral_type = UART_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_UART5_TX, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_UART5_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_8bit_rx0_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_RX0_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI1_RX0, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_8bit_tx0_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_TX0_REG, .peripheral_type = SSI_SP, .transfer_type = soc_trans_type, .event_id = DMA_REQ_SSI1_TX0, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_16bit_rx0_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_RX0_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI1_RX0, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_16bit_tx0_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_TX0_REG, .peripheral_type = SSI_SP, .transfer_type = soc_trans_type, .event_id = DMA_REQ_SSI1_TX0, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_24bit_rx0_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_RX0_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI1_RX0, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_24bit_tx0_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_TX0_REG, .peripheral_type = SSI_SP, .transfer_type = soc_trans_type, .event_id = DMA_REQ_SSI1_TX0, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_8bit_rx1_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_RX1_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI1_RX1, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_8bit_tx1_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_TX1_REG, .peripheral_type = SSI_SP, .transfer_type = soc_trans_type, .event_id = DMA_REQ_SSI1_TX1, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_16bit_rx1_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_RX1_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI1_RX1, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_16bit_tx1_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_TX1_REG, .peripheral_type = SSI_SP, .transfer_type = soc_trans_type, .event_id = DMA_REQ_SSI1_TX1, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_24bit_rx1_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_RX1_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI1_RX1, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi1_24bit_tx1_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI1_BASE_ADDR + MXC_SSI_TX1_REG, .peripheral_type = SSI_SP, .transfer_type = soc_trans_type, .event_id = DMA_REQ_SSI1_TX1, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI1_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_8bit_rx0_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_RX0_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI2_RX0, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_8bit_tx0_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_TX0_REG, .peripheral_type = SSI_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_SSI2_TX0, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_16bit_rx0_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_RX0_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI2_RX0, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_16bit_tx0_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_TX0_REG, .peripheral_type = SSI_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_SSI2_TX0, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_24bit_rx0_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_RX0_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI2_RX0, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_24bit_tx0_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_TX0_REG, .peripheral_type = SSI_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_SSI2_TX0, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_8bit_rx1_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_RX1_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI2_RX1, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_8bit_tx1_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_TX1_REG, .peripheral_type = SSI_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_SSI2_TX1, .bd_number = 32, .word_size = TRANSFER_8BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_16bit_rx1_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_RX1_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI2_RX1, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_16bit_tx1_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_TX1_REG, .peripheral_type = SSI_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_SSI2_TX1, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_24bit_rx1_params = { .chnl_params = { .watermark_level = MXC_SSI_RXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_RX1_REG, .peripheral_type = SSI_SP, .transfer_type = per_2_emi, .event_id = DMA_REQ_SSI2_RX1, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_RX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_ssi2_24bit_tx1_params = { .chnl_params = { .watermark_level = MXC_SSI_TXFIFO_WML, .per_address = MX25_SSI2_BASE_ADDR + MXC_SSI_TX1_REG, .peripheral_type = SSI_SP, .transfer_type = emi_2_per, .event_id = DMA_REQ_SSI2_TX1, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_SSI2_TX, .chnl_priority = 2, }; static mxc_sdma_channel_params_t mxc_sdma_memory_params = { .chnl_params = { .peripheral_type = MEMORY, .transfer_type = emi_2_emi, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_MEMORY, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_esai_16bit_rx_params = { .chnl_params = { .watermark_level = MXC_ESAI_FIFO_WML, .per_address = MX25_ESAI_BASE_ADDR + MXC_ESAI_RX_REG, .peripheral_type = ESAI, .transfer_type = per_2_emi, .event_id = DMA_REQ_ESAI_RX, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_ESAI_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_esai_16bit_tx_params = { .chnl_params = { .watermark_level = MXC_ESAI_FIFO_WML, .per_address = MX25_ESAI_BASE_ADDR + MXC_ESAI_TX_REG, .peripheral_type = ESAI, .transfer_type = soc_trans_type, .event_id = DMA_REQ_ESAI_TX, .bd_number = 32, .word_size = TRANSFER_16BIT, }, .channel_num = MXC_DMA_CHANNEL_ESAI_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_esai_24bit_rx_params = { .chnl_params = { .watermark_level = MXC_ESAI_FIFO_WML, .per_address = MX25_ESAI_BASE_ADDR + MXC_ESAI_RX_REG, .peripheral_type = ESAI, .transfer_type = per_2_emi, .event_id = DMA_REQ_ESAI_RX, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_ESAI_RX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static mxc_sdma_channel_params_t mxc_sdma_esai_24bit_tx_params = { .chnl_params = { .watermark_level = MXC_ESAI_FIFO_WML, .per_address = MX25_ESAI_BASE_ADDR + MXC_ESAI_TX_REG, .peripheral_type = ESAI, .transfer_type = soc_trans_type, .event_id = DMA_REQ_ESAI_TX, .bd_number = 32, .word_size = TRANSFER_32BIT, }, .channel_num = MXC_DMA_CHANNEL_ESAI_TX, .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY, }; static struct mxc_sdma_info_entry_s mxc_sdma_active_dma_info[] = { {MXC_DMA_UART1_RX, &mxc_sdma_uart1_rx_params}, {MXC_DMA_UART1_TX, &mxc_sdma_uart1_tx_params}, {MXC_DMA_UART2_RX, &mxc_sdma_uart2_rx_params}, {MXC_DMA_UART2_TX, &mxc_sdma_uart2_tx_params}, {MXC_DMA_UART3_RX, &mxc_sdma_uart3_rx_params}, {MXC_DMA_UART3_TX, &mxc_sdma_uart3_tx_params}, {MXC_DMA_UART4_RX, &mxc_sdma_uart4_rx_params}, {MXC_DMA_UART4_TX, &mxc_sdma_uart4_tx_params}, {MXC_DMA_UART5_RX, &mxc_sdma_uart5_rx_params}, {MXC_DMA_UART5_TX, &mxc_sdma_uart5_tx_params}, {MXC_DMA_SSI1_8BIT_RX0, &mxc_sdma_ssi1_8bit_rx0_params}, {MXC_DMA_SSI1_8BIT_TX0, &mxc_sdma_ssi1_8bit_tx0_params}, {MXC_DMA_SSI1_16BIT_RX0, &mxc_sdma_ssi1_16bit_rx0_params}, {MXC_DMA_SSI1_16BIT_TX0, &mxc_sdma_ssi1_16bit_tx0_params}, {MXC_DMA_SSI1_24BIT_RX0, &mxc_sdma_ssi1_24bit_rx0_params}, {MXC_DMA_SSI1_24BIT_TX0, &mxc_sdma_ssi1_24bit_tx0_params}, {MXC_DMA_SSI1_8BIT_RX1, &mxc_sdma_ssi1_8bit_rx1_params}, {MXC_DMA_SSI1_8BIT_TX1, &mxc_sdma_ssi1_8bit_tx1_params}, {MXC_DMA_SSI1_16BIT_RX1, &mxc_sdma_ssi1_16bit_rx1_params}, {MXC_DMA_SSI1_16BIT_TX1, &mxc_sdma_ssi1_16bit_tx1_params}, {MXC_DMA_SSI1_24BIT_RX1, &mxc_sdma_ssi1_24bit_rx1_params}, {MXC_DMA_SSI1_24BIT_TX1, &mxc_sdma_ssi1_24bit_tx1_params}, {MXC_DMA_SSI2_8BIT_RX0, &mxc_sdma_ssi2_8bit_rx0_params}, {MXC_DMA_SSI2_8BIT_TX0, &mxc_sdma_ssi2_8bit_tx0_params}, {MXC_DMA_SSI2_16BIT_RX0, &mxc_sdma_ssi2_16bit_rx0_params}, {MXC_DMA_SSI2_16BIT_TX0, &mxc_sdma_ssi2_16bit_tx0_params}, {MXC_DMA_SSI2_24BIT_RX0, &mxc_sdma_ssi2_24bit_rx0_params}, {MXC_DMA_SSI2_24BIT_TX0, &mxc_sdma_ssi2_24bit_tx0_params}, {MXC_DMA_SSI2_8BIT_RX1, &mxc_sdma_ssi2_8bit_rx1_params}, {MXC_DMA_SSI2_8BIT_TX1, &mxc_sdma_ssi2_8bit_tx1_params}, {MXC_DMA_SSI2_16BIT_RX1, &mxc_sdma_ssi2_16bit_rx1_params}, {MXC_DMA_SSI2_16BIT_TX1, &mxc_sdma_ssi2_16bit_tx1_params}, {MXC_DMA_SSI2_24BIT_RX1, &mxc_sdma_ssi2_24bit_rx1_params}, {MXC_DMA_SSI2_24BIT_TX1, &mxc_sdma_ssi2_24bit_tx1_params}, {MXC_DMA_ESAI_16BIT_RX, &mxc_sdma_esai_16bit_rx_params}, {MXC_DMA_ESAI_16BIT_TX, &mxc_sdma_esai_16bit_tx_params}, {MXC_DMA_ESAI_24BIT_RX, &mxc_sdma_esai_24bit_rx_params}, {MXC_DMA_ESAI_24BIT_TX, &mxc_sdma_esai_24bit_tx_params}, {MXC_DMA_MEMORY, &mxc_sdma_memory_params}, }; static int mxc_sdma_info_entrys = sizeof(mxc_sdma_active_dma_info) / sizeof(mxc_sdma_active_dma_info[0]); /*! * This functions Returns the SDMA paramaters associated for a module * * @param channel_id the ID of the module requesting DMA * @return returns the sdma parameters structure for the device */ mxc_sdma_channel_params_t *mxc_sdma_get_channel_params(mxc_dma_device_t channel_id) { struct mxc_sdma_info_entry_s *p = mxc_sdma_active_dma_info; int i; for (i = 0; i < mxc_sdma_info_entrys; i++, p++) { if (p->device == channel_id) return p->chnl_info; } return NULL; } EXPORT_SYMBOL(mxc_sdma_get_channel_params); /*! * This functions marks the SDMA channels that are statically allocated * * @param chnl the channel array used to store channel information */ void mxc_get_static_channels(mxc_dma_channel_t *chnl) { #ifdef CONFIG_SDMA_IRAM int i; for (i = MXC_DMA_CHANNEL_IRAM; i < MAX_DMA_CHANNELS; i++) chnl[i].dynamic = 0; #endif } EXPORT_SYMBOL(mxc_get_static_channels);