GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: GPL-2.0+ */
+#ifndef __SDMA_H
+#define __SDMA_H
+
+/* Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ */
+
+/* Functions */
+void omap3_dma_init(void);
+int omap3_dma_conf_transfer(uint32_t chan, uint32_t *src, uint32_t *dst,
+		uint32_t sze);
+int omap3_dma_start_transfer(uint32_t chan);
+int omap3_dma_wait_for_transfer(uint32_t chan);
+int omap3_dma_conf_chan(uint32_t chan, struct dma4_chan *config);
+int omap3_dma_get_conf_chan(uint32_t chan, struct dma4_chan *config);
+
+/* Register settings */
+#define CSDP_DATA_TYPE_8BIT             0x0
+#define CSDP_DATA_TYPE_16BIT            0x1
+#define CSDP_DATA_TYPE_32BIT            0x2
+#define CSDP_SRC_BURST_SINGLE           (0x0 << 7)
+#define CSDP_SRC_BURST_EN_16BYTES       (0x1 << 7)
+#define CSDP_SRC_BURST_EN_32BYTES       (0x2 << 7)
+#define CSDP_SRC_BURST_EN_64BYTES       (0x3 << 7)
+#define CSDP_DST_BURST_SINGLE           (0x0 << 14)
+#define CSDP_DST_BURST_EN_16BYTES       (0x1 << 14)
+#define CSDP_DST_BURST_EN_32BYTES       (0x2 << 14)
+#define CSDP_DST_BURST_EN_64BYTES       (0x3 << 14)
+#define CSDP_DST_ENDIAN_LOCK_ADAPT      (0x0 << 18)
+#define CSDP_DST_ENDIAN_LOCK_LOCK       (0x1 << 18)
+#define CSDP_DST_ENDIAN_LITTLE          (0x0 << 19)
+#define CSDP_DST_ENDIAN_BIG             (0x1 << 19)
+#define CSDP_SRC_ENDIAN_LOCK_ADAPT      (0x0 << 20)
+#define CSDP_SRC_ENDIAN_LOCK_LOCK       (0x1 << 20)
+#define CSDP_SRC_ENDIAN_LITTLE          (0x0 << 21)
+#define CSDP_SRC_ENDIAN_BIG             (0x1 << 21)
+
+#define CCR_READ_PRIORITY_LOW           (0x0 << 6)
+#define CCR_READ_PRIORITY_HIGH          (0x1 << 6)
+#define CCR_ENABLE_DISABLED             (0x0 << 7)
+#define CCR_ENABLE_ENABLE               (0x1 << 7)
+#define CCR_SRC_AMODE_CONSTANT          (0x0 << 12)
+#define CCR_SRC_AMODE_POST_INC          (0x1 << 12)
+#define CCR_SRC_AMODE_SINGLE_IDX        (0x2 << 12)
+#define CCR_SRC_AMODE_DOUBLE_IDX        (0x3 << 12)
+#define CCR_DST_AMODE_CONSTANT          (0x0 << 14)
+#define CCR_DST_AMODE_POST_INC          (0x1 << 14)
+#define CCR_DST_AMODE_SINGLE_IDX        (0x2 << 14)
+#define CCR_DST_AMODE_SOUBLE_IDX        (0x3 << 14)
+
+#define CCR_RD_ACTIVE_MASK              (1 << 9)
+#define CCR_WR_ACTIVE_MASK              (1 << 10)
+
+#define CSR_TRANS_ERR			(1 << 8)
+#define CSR_SUPERVISOR_ERR		(1 << 10)
+#define CSR_MISALIGNED_ADRS_ERR		(1 << 11)
+
+/* others */
+#define CHAN_NR_MIN			0
+#define CHAN_NR_MAX			31
+
+#endif /* __SDMA_H */