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kernel/linux-rt-4.4.41/include/linux/platform_data/dma-coh901318.h 1.99 KB
5113f6f70   김현기   kernel add
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  /*
   * Platform data for the COH901318 DMA controller
   * Copyright (C) 2007-2013 ST-Ericsson
   * License terms: GNU General Public License (GPL) version 2
   */
  
  #ifndef PLAT_COH901318_H
  #define PLAT_COH901318_H
  
  #ifdef CONFIG_COH901318
  
  /* We only support the U300 DMA channels */
  #define U300_DMA_MSL_TX_0		0
  #define U300_DMA_MSL_TX_1		1
  #define U300_DMA_MSL_TX_2		2
  #define U300_DMA_MSL_TX_3		3
  #define U300_DMA_MSL_TX_4		4
  #define U300_DMA_MSL_TX_5		5
  #define U300_DMA_MSL_TX_6		6
  #define U300_DMA_MSL_RX_0		7
  #define U300_DMA_MSL_RX_1		8
  #define U300_DMA_MSL_RX_2		9
  #define U300_DMA_MSL_RX_3		10
  #define U300_DMA_MSL_RX_4		11
  #define U300_DMA_MSL_RX_5		12
  #define U300_DMA_MSL_RX_6		13
  #define U300_DMA_MMCSD_RX_TX		14
  #define U300_DMA_MSPRO_TX		15
  #define U300_DMA_MSPRO_RX		16
  #define U300_DMA_UART0_TX		17
  #define U300_DMA_UART0_RX		18
  #define U300_DMA_APEX_TX		19
  #define U300_DMA_APEX_RX		20
  #define U300_DMA_PCM_I2S0_TX		21
  #define U300_DMA_PCM_I2S0_RX		22
  #define U300_DMA_PCM_I2S1_TX		23
  #define U300_DMA_PCM_I2S1_RX		24
  #define U300_DMA_XGAM_CDI		25
  #define U300_DMA_XGAM_PDI		26
  #define U300_DMA_SPI_TX			27
  #define U300_DMA_SPI_RX			28
  #define U300_DMA_GENERAL_PURPOSE_0	29
  #define U300_DMA_GENERAL_PURPOSE_1	30
  #define U300_DMA_GENERAL_PURPOSE_2	31
  #define U300_DMA_GENERAL_PURPOSE_3	32
  #define U300_DMA_GENERAL_PURPOSE_4	33
  #define U300_DMA_GENERAL_PURPOSE_5	34
  #define U300_DMA_GENERAL_PURPOSE_6	35
  #define U300_DMA_GENERAL_PURPOSE_7	36
  #define U300_DMA_GENERAL_PURPOSE_8	37
  #define U300_DMA_UART1_TX		38
  #define U300_DMA_UART1_RX		39
  
  #define U300_DMA_DEVICE_CHANNELS	32
  #define U300_DMA_CHANNELS		40
  
  /**
   * coh901318_filter_id() - DMA channel filter function
   * @chan: dma channel handle
   * @chan_id: id of dma channel to be filter out
   *
   * In dma_request_channel() it specifies what channel id to be requested
   */
  bool coh901318_filter_id(struct dma_chan *chan, void *chan_id);
  #else
  static inline bool coh901318_filter_id(struct dma_chan *chan, void *chan_id)
  {
  	return false;
  }
  #endif
  
  #endif /* PLAT_COH901318_H */