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-rw-r--r--arch/sh/include/asm/dma-register.h51
-rw-r--r--arch/sh/include/asm/dma-sh.h95
-rw-r--r--arch/sh/include/asm/dmaengine.h73
-rw-r--r--arch/sh/include/asm/siu.h2
4 files changed, 127 insertions, 94 deletions
diff --git a/arch/sh/include/asm/dma-register.h b/arch/sh/include/asm/dma-register.h
new file mode 100644
index 000000000000..51cd78feacff
--- /dev/null
+++ b/arch/sh/include/asm/dma-register.h
@@ -0,0 +1,51 @@
+/*
+ * Common header for the legacy SH DMA driver and the new dmaengine driver
+ *
+ * extracted from arch/sh/include/asm/dma-sh.h:
+ *
+ * Copyright (C) 2000 Takashi YOSHII
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef DMA_REGISTER_H
+#define DMA_REGISTER_H
+
+/* DMA register */
+#define SAR 0x00
+#define DAR 0x04
+#define TCR 0x08
+#define CHCR 0x0C
+#define DMAOR 0x40
+
+/* DMAOR definitions */
+#define DMAOR_AE 0x00000004
+#define DMAOR_NMIF 0x00000002
+#define DMAOR_DME 0x00000001
+
+/* Definitions for the SuperH DMAC */
+#define REQ_L 0x00000000
+#define REQ_E 0x00080000
+#define RACK_H 0x00000000
+#define RACK_L 0x00040000
+#define ACK_R 0x00000000
+#define ACK_W 0x00020000
+#define ACK_H 0x00000000
+#define ACK_L 0x00010000
+#define DM_INC 0x00004000
+#define DM_DEC 0x00008000
+#define DM_FIX 0x0000c000
+#define SM_INC 0x00001000
+#define SM_DEC 0x00002000
+#define SM_FIX 0x00003000
+#define RS_IN 0x00000200
+#define RS_OUT 0x00000300
+#define TS_BLK 0x00000040
+#define TM_BUR 0x00000020
+#define CHCR_DE 0x00000001
+#define CHCR_TE 0x00000002
+#define CHCR_IE 0x00000004
+
+#endif
diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index 2e3631d6e273..f3acb8e34c6b 100644
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -11,7 +11,8 @@
#ifndef __DMA_SH_H
#define __DMA_SH_H
-#include <asm/dma.h>
+#include <asm/dma-register.h>
+#include <cpu/dma-register.h>
#include <cpu/dma.h>
/* DMAOR contorl: The DMAOR access size is different by CPU.*/
@@ -53,34 +54,6 @@ static int dmte_irq_map[] __maybe_unused = {
#endif
};
-/* Definitions for the SuperH DMAC */
-#define REQ_L 0x00000000
-#define REQ_E 0x00080000
-#define RACK_H 0x00000000
-#define RACK_L 0x00040000
-#define ACK_R 0x00000000
-#define ACK_W 0x00020000
-#define ACK_H 0x00000000
-#define ACK_L 0x00010000
-#define DM_INC 0x00004000
-#define DM_DEC 0x00008000
-#define DM_FIX 0x0000c000
-#define SM_INC 0x00001000
-#define SM_DEC 0x00002000
-#define SM_FIX 0x00003000
-#define RS_IN 0x00000200
-#define RS_OUT 0x00000300
-#define TS_BLK 0x00000040
-#define TM_BUR 0x00000020
-#define CHCR_DE 0x00000001
-#define CHCR_TE 0x00000002
-#define CHCR_IE 0x00000004
-
-/* DMAOR definitions */
-#define DMAOR_AE 0x00000004
-#define DMAOR_NMIF 0x00000002
-#define DMAOR_DME 0x00000001
-
/*
* Define the default configuration for dual address memory-memory transfer.
* The 0x400 value represents auto-request, external->external.
@@ -111,68 +84,4 @@ static u32 dma_base_addr[] __maybe_unused = {
#endif
};
-/* DMA register */
-#define SAR 0x00
-#define DAR 0x04
-#define TCR 0x08
-#define CHCR 0x0C
-#define DMAOR 0x40
-
-/*
- * for dma engine
- *
- * SuperH DMA mode
- */
-#define SHDMA_MIX_IRQ (1 << 1)
-#define SHDMA_DMAOR1 (1 << 2)
-#define SHDMA_DMAE1 (1 << 3)
-
-enum sh_dmae_slave_chan_id {
- SHDMA_SLAVE_SCIF0_TX,
- SHDMA_SLAVE_SCIF0_RX,
- SHDMA_SLAVE_SCIF1_TX,
- SHDMA_SLAVE_SCIF1_RX,
- SHDMA_SLAVE_SCIF2_TX,
- SHDMA_SLAVE_SCIF2_RX,
- SHDMA_SLAVE_SCIF3_TX,
- SHDMA_SLAVE_SCIF3_RX,
- SHDMA_SLAVE_SCIF4_TX,
- SHDMA_SLAVE_SCIF4_RX,
- SHDMA_SLAVE_SCIF5_TX,
- SHDMA_SLAVE_SCIF5_RX,
- SHDMA_SLAVE_SIUA_TX,
- SHDMA_SLAVE_SIUA_RX,
- SHDMA_SLAVE_SIUB_TX,
- SHDMA_SLAVE_SIUB_RX,
- SHDMA_SLAVE_NUMBER, /* Must stay last */
-};
-
-struct sh_dmae_slave_config {
- enum sh_dmae_slave_chan_id slave_id;
- dma_addr_t addr;
- u32 chcr;
- char mid_rid;
-};
-
-struct sh_dmae_channel {
- unsigned int offset;
- unsigned int dmars;
- unsigned int dmars_bit;
-};
-
-struct sh_dmae_pdata {
- struct sh_dmae_slave_config *slave;
- int slave_num;
- struct sh_dmae_channel *channel;
- int channel_num;
-};
-
-struct device;
-
-struct sh_dmae_slave {
- enum sh_dmae_slave_chan_id slave_id; /* Set by the platform */
- struct device *dma_dev; /* Set by the platform */
- struct sh_dmae_slave_config *config; /* Set by the driver */
-};
-
#endif /* __DMA_SH_H */
diff --git a/arch/sh/include/asm/dmaengine.h b/arch/sh/include/asm/dmaengine.h
new file mode 100644
index 000000000000..9586e4a482b1
--- /dev/null
+++ b/arch/sh/include/asm/dmaengine.h
@@ -0,0 +1,73 @@
+/*
+ * Header for the new SH dmaengine driver
+ *
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ASM_DMAENGINE_H
+#define ASM_DMAENGINE_H
+
+#include <asm/dma-register.h>
+
+#define SH_DMAC_MAX_CHANNELS 6
+
+enum sh_dmae_slave_chan_id {
+ SHDMA_SLAVE_SCIF0_TX,
+ SHDMA_SLAVE_SCIF0_RX,
+ SHDMA_SLAVE_SCIF1_TX,
+ SHDMA_SLAVE_SCIF1_RX,
+ SHDMA_SLAVE_SCIF2_TX,
+ SHDMA_SLAVE_SCIF2_RX,
+ SHDMA_SLAVE_SCIF3_TX,
+ SHDMA_SLAVE_SCIF3_RX,
+ SHDMA_SLAVE_SCIF4_TX,
+ SHDMA_SLAVE_SCIF4_RX,
+ SHDMA_SLAVE_SCIF5_TX,
+ SHDMA_SLAVE_SCIF5_RX,
+ SHDMA_SLAVE_SIUA_TX,
+ SHDMA_SLAVE_SIUA_RX,
+ SHDMA_SLAVE_SIUB_TX,
+ SHDMA_SLAVE_SIUB_RX,
+ SHDMA_SLAVE_NUMBER, /* Must stay last */
+};
+
+struct sh_dmae_slave_config {
+ enum sh_dmae_slave_chan_id slave_id;
+ dma_addr_t addr;
+ u32 chcr;
+ char mid_rid;
+};
+
+struct sh_dmae_channel {
+ unsigned int offset;
+ unsigned int dmars;
+ unsigned int dmars_bit;
+};
+
+struct sh_dmae_pdata {
+ struct sh_dmae_slave_config *slave;
+ int slave_num;
+ struct sh_dmae_channel *channel;
+ int channel_num;
+ unsigned int ts_low_shift;
+ unsigned int ts_low_mask;
+ unsigned int ts_high_shift;
+ unsigned int ts_high_mask;
+ unsigned int *ts_shift;
+ int ts_shift_num;
+ u16 dmaor_init;
+};
+
+struct device;
+
+/* Used by slave DMA clients to request DMA to/from a specific peripheral */
+struct sh_dmae_slave {
+ enum sh_dmae_slave_chan_id slave_id; /* Set by the platform */
+ struct device *dma_dev; /* Set by the platform */
+ struct sh_dmae_slave_config *config; /* Set by the driver */
+};
+
+#endif
diff --git a/arch/sh/include/asm/siu.h b/arch/sh/include/asm/siu.h
index 57565a3b551f..f1b1e6944a5f 100644
--- a/arch/sh/include/asm/siu.h
+++ b/arch/sh/include/asm/siu.h
@@ -11,7 +11,7 @@
#ifndef ASM_SIU_H
#define ASM_SIU_H
-#include <asm/dma-sh.h>
+#include <asm/dmaengine.h>
struct device;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 21:01:57 +0000