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-rw-r--r--arch/arm/mach-mx35/dma.c1046
1 files changed, 1046 insertions, 0 deletions
diff --git a/arch/arm/mach-mx35/dma.c b/arch/arm/mach-mx35/dma.c
new file mode 100644
index 000000000000..ef7f557d1cc8
--- /dev/null
+++ b/arch/arm/mach-mx35/dma.c
@@ -0,0 +1,1046 @@
+/*
+ * Copyright 2008-2009 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 <linux/init.h>
+#include <linux/device.h>
+#include <asm/dma.h>
+#include <mach/hardware.h>
+
+#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_SPDIF_TXFIFO_WML 8
+#define MXC_SPDIF_RXFIFO_WML 8
+#define MXC_SPDIF_TX_REG 0x2C
+#define MXC_SPDIF_RX_REG 0x14
+
+#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_ASRC_FIFO_WML 0x40
+#define MXC_ASRCA_RX_REG 0x60
+#define MXC_ASRCA_TX_REG 0x64
+#define MXC_ASRCB_RX_REG 0x68
+#define MXC_ASRCB_TX_REG 0x6C
+#define MXC_ASRCC_RX_REG 0x70
+#define MXC_ASRCC_TX_REG 0x74
+
+#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;
+ void *chnl_info;
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_uart1_rx_params = {
+ .chnl_params = {
+ .watermark_level = UART1_UFCR_RXTL,
+ .per_address = 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 = 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 = 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 = 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 = 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 = 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_spdif_16bit_tx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SPDIF_TXFIFO_WML,
+ .per_address = SPDIF_BASE_ADDR + MXC_SPDIF_TX_REG,
+ .peripheral_type = SPDIF,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_SPDIF_TX,
+ .bd_number = 32,
+ .word_size = TRANSFER_16BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_SPDIF_TX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_spdif_32bit_tx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SPDIF_TXFIFO_WML,
+ .per_address = SPDIF_BASE_ADDR + MXC_SPDIF_TX_REG,
+ .peripheral_type = SPDIF,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_SPDIF_TX,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_SPDIF_TX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_spdif_32bit_rx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SPDIF_RXFIFO_WML,
+ .per_address = SPDIF_BASE_ADDR + MXC_SPDIF_RX_REG,
+ .peripheral_type = SPDIF,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SPDIF_RX,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_SPDIF_RX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+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_ssi1_8bit_rx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_RX0_REG,
+ .peripheral_type = SSI,
+ .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_tx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_TXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = SSI,
+ .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_rx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_RX0_REG,
+ .peripheral_type = SSI,
+ .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_tx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_TXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = SSI,
+ .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_rx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_RX0_REG,
+ .peripheral_type = SSI,
+ .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_tx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_TXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = SSI,
+ .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_ssi1_8bit_rx1_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI1_BASE_ADDR + MXC_SSI_RX1_REG,
+ .peripheral_type = SSI,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SSI1_RX2,
+ .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 = SSI1_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = SSI,
+ .transfer_type = soc_trans_type,
+ .event_id = DMA_REQ_SSI1_TX2,
+ .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 = SSI1_BASE_ADDR + MXC_SSI_RX1_REG,
+ .peripheral_type = SSI,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SSI1_RX2,
+ .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 = SSI1_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = SSI,
+ .transfer_type = soc_trans_type,
+ .event_id = DMA_REQ_SSI1_TX2,
+ .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 = SSI1_BASE_ADDR + MXC_SSI_RX1_REG,
+ .peripheral_type = SSI,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SSI1_RX2,
+ .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 = SSI1_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = SSI,
+ .transfer_type = soc_trans_type,
+ .event_id = DMA_REQ_SSI1_TX2,
+ .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 = SSI2_BASE_ADDR + MXC_SSI_RX0_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_tx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_TXFIFO_WML,
+ .per_address = SSI2_BASE_ADDR + MXC_SSI_TX0_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_rx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI2_BASE_ADDR + MXC_SSI_RX0_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_tx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_TXFIFO_WML,
+ .per_address = SSI2_BASE_ADDR + MXC_SSI_TX0_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_rx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI2_BASE_ADDR + MXC_SSI_RX0_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_tx0_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_TXFIFO_WML,
+ .per_address = SSI2_BASE_ADDR + MXC_SSI_TX0_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_ssi2_8bit_rx1_params = {
+ .chnl_params = {
+ .watermark_level = MXC_SSI_RXFIFO_WML,
+ .per_address = SSI2_BASE_ADDR + MXC_SSI_RX1_REG,
+ .peripheral_type = SSI_SP,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SSI2_RX2,
+ .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 = SSI2_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = SSI_SP,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_SSI2_TX2,
+ .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 = SSI2_BASE_ADDR + MXC_SSI_RX1_REG,
+ .peripheral_type = SSI_SP,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SSI2_RX2,
+ .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 = SSI2_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = SSI_SP,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_SSI2_TX2,
+ .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 = SSI2_BASE_ADDR + MXC_SSI_RX1_REG,
+ .peripheral_type = SSI_SP,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_SSI2_RX2,
+ .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 = SSI2_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = SSI_SP,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_SSI2_TX2,
+ .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_asrca_rx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_ASRC_FIFO_WML,
+ .per_address = ASRC_BASE_ADDR + MXC_ASRCA_RX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_ASRC_DMA1,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_RX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_asrca_tx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_ASRC_FIFO_WML,
+ .per_address = ASRC_BASE_ADDR + MXC_ASRCA_TX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_ASRC_DMA4,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_TX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_asrcb_rx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_ASRC_FIFO_WML,
+ .per_address = ASRC_BASE_ADDR + MXC_ASRCB_RX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_ASRC_DMA2,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_RX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_asrcb_tx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_ASRC_FIFO_WML,
+ .per_address = ASRC_BASE_ADDR + MXC_ASRCB_TX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_ASRC_DMA5,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_TX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_asrcc_rx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_ASRC_FIFO_WML * 3,
+ .per_address = ASRC_BASE_ADDR + MXC_ASRCC_RX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = emi_2_per,
+ .event_id = DMA_REQ_ASRC_DMA3,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCC_RX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_params_t mxc_sdma_asrcc_tx_params = {
+ .chnl_params = {
+ .watermark_level = MXC_ASRC_FIFO_WML * 3,
+ .per_address = ASRC_BASE_ADDR + MXC_ASRCC_TX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_emi,
+ .event_id = DMA_REQ_ASRC_DMA6,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCC_TX,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrca_ssi1_tx0_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI1_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI1_TX1,
+ .event_id2 = DMA_REQ_ASRC_DMA4,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCA_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_SSI1_TX0,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrca_ssi1_tx1_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI1_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI1_TX2,
+ .event_id2 = DMA_REQ_ASRC_DMA4,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCA_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_SSI1_TX1,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrca_ssi2_tx0_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI2_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI2_TX1,
+ .event_id2 = DMA_REQ_ASRC_DMA4,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCA_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_SSI2_TX0,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrca_ssi2_tx1_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI2_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI2_TX2,
+ .event_id2 = DMA_REQ_ASRC_DMA4,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCA_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_SSI2_TX1,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrcb_ssi1_tx0_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI1_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI1_TX1,
+ .event_id2 = DMA_REQ_ASRC_DMA5,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCB_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_SSI1_TX0,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrcb_ssi1_tx1_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI1_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI1_TX2,
+ .event_id2 = DMA_REQ_ASRC_DMA5,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCB_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_SSI1_TX1,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrcb_ssi2_tx0_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI2_BASE_ADDR + MXC_SSI_TX0_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI2_TX1,
+ .event_id2 = DMA_REQ_ASRC_DMA5,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCB_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_SSI2_TX0,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrcb_ssi2_tx1_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ SSI2_BASE_ADDR + MXC_SSI_TX1_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_SSI2_TX2,
+ .event_id2 = DMA_REQ_ASRC_DMA5,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_SSI_TXFIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCB_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_SSI2_TX1,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrca_esai_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ ESAI_BASE_ADDR + MXC_ESAI_TX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_ESAI_TX,
+ .event_id2 = DMA_REQ_ASRC_DMA4,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_ESAI_FIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCA_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCA_ESAI,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrcb_esai_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ ESAI_BASE_ADDR + MXC_ESAI_TX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_ESAI_TX,
+ .event_id2 = DMA_REQ_ASRC_DMA5,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_ESAI_FIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCB_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCB_ESAI,
+ .chnl_priority = MXC_SDMA_DEFAULT_PRIORITY,
+};
+
+static mxc_sdma_channel_ext_params_t mxc_sdma_asrcc_esai_params = {
+ .chnl_ext_params = {
+ .common = {
+ .watermark_level =
+ MXC_ASRC_FIFO_WML >> 1,
+ .per_address =
+ ESAI_BASE_ADDR + MXC_ESAI_TX_REG,
+ .peripheral_type = ASRC,
+ .transfer_type = per_2_per,
+ .event_id = DMA_REQ_ESAI_TX,
+ .event_id2 = DMA_REQ_ASRC_DMA6,
+ .bd_number = 32,
+ .word_size = TRANSFER_32BIT,
+ .ext = 1,
+ },
+ .p2p_dir = 0,
+ .info_bits =
+ SDMA_ASRC_P2P_INFO_CONT | SDMA_ASRC_P2P_INFO_SP |
+ SDMA_ASRC_P2P_INFO_DP,
+ .watermark_level2 = MXC_ASRC_FIFO_WML,
+ .per_address2 = ASRC_BASE_ADDR + MXC_ASRCC_TX_REG,
+ },
+ .channel_num = MXC_DMA_CHANNEL_ASRCC_ESAI,
+ .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 = 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 = 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 = 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 = 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_SPDIF_16BIT_TX, &mxc_sdma_spdif_16bit_tx_params},
+ {MXC_DMA_SPDIF_32BIT_TX, &mxc_sdma_spdif_32bit_tx_params},
+ {MXC_DMA_SPDIF_32BIT_RX, &mxc_sdma_spdif_32bit_rx_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_ASRC_A_RX, &mxc_sdma_asrca_rx_params},
+ {MXC_DMA_ASRC_A_TX, &mxc_sdma_asrca_tx_params},
+ {MXC_DMA_ASRC_B_RX, &mxc_sdma_asrcb_rx_params},
+ {MXC_DMA_ASRC_B_TX, &mxc_sdma_asrcb_tx_params},
+ {MXC_DMA_ASRC_C_RX, &mxc_sdma_asrcc_rx_params},
+ {MXC_DMA_ASRC_C_TX, &mxc_sdma_asrcc_tx_params},
+ {MXC_DMA_ASRCA_SSI1_TX0, &mxc_sdma_asrca_ssi1_tx0_params},
+ {MXC_DMA_ASRCA_SSI1_TX1, &mxc_sdma_asrca_ssi1_tx1_params},
+ {MXC_DMA_ASRCA_SSI2_TX0, &mxc_sdma_asrca_ssi2_tx0_params},
+ {MXC_DMA_ASRCA_SSI2_TX1, &mxc_sdma_asrca_ssi2_tx1_params},
+ {MXC_DMA_ASRCB_SSI1_TX0, &mxc_sdma_asrcb_ssi1_tx0_params},
+ {MXC_DMA_ASRCB_SSI1_TX1, &mxc_sdma_asrcb_ssi1_tx1_params},
+ {MXC_DMA_ASRCB_SSI2_TX0, &mxc_sdma_asrcb_ssi2_tx0_params},
+ {MXC_DMA_ASRCB_SSI2_TX1, &mxc_sdma_asrcb_ssi2_tx1_params},
+ {MXC_DMA_ASRCA_ESAI, &mxc_sdma_asrca_esai_params},
+ {MXC_DMA_ASRCB_ESAI, &mxc_sdma_asrcb_esai_params},
+ {MXC_DMA_ASRCC_ESAI, &mxc_sdma_asrcc_esai_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)
+{
+ /* No channels statically allocated for MX35 */
+#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);