dma: coh901318: create a proper platform data file

This extracts the platform data that we will keep generic
from the U300 platform and associates it with the COH901318
driver in <linux/platform_data/dma-coh901318.h>.

Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/include/linux/platform_data/dma-coh901318.h b/include/linux/platform_data/dma-coh901318.h
new file mode 100644
index 000000000000..c4cb9590d115
--- /dev/null
+++ b/include/linux/platform_data/dma-coh901318.h
@@ -0,0 +1,72 @@
+/*
+ * 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 */