root/include/linux/platform_data/dma-coh901318.h

DEFINITIONS

1. coh901318_filter_id

/*
 * 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 */