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static inline void qdma_csgf_set_len(struct fsl_qdma_format *csgf, int len)// SPDX-License-Identifier: GPL-2.0// Copyright 2014-2015 Freescale// Copyright 2018 NXP/* * Driver for NXP Layerscape Queue Direct Memory Access Controller * * Author: * Wen He <wen.he_1@nxp.com> * Jiaheng Fan <jiaheng.fan@nxp.com> * */#include <linux/module.h>#include <linux/delay.h>#include <linux/of_irq.h>#include <linux/of_platform.h>#include <linux/of_dma.h>#include <linux/dma-mapping.h>#include "virt-dma.h"#include "fsldma.h"/* Register related definition */#define FSL_QDMA_DMR 0x0#define FSL_QDMA_DSR 0x4#define FSL_QDMA_DEIER 0xe00#define FSL_QDMA_DEDR 0xe04#define FSL_QDMA_DECFDW0R 0xe10#define FSL_QDMA_DECFDW1R 0xe14#define FSL_QDMA_DECFDW2R 0xe18#define FSL_QDMA_DECFDW3R 0xe1c#define FSL_QDMA_DECFQIDR 0xe30#define FSL_QDMA_DECBR 0xe34#define FSL_QDMA_BCQMR(x) (0xc0 + 0x100 * (x))#define FSL_QDMA_BCQSR(x) (0xc4 + 0x100 * (x))#define FSL_QDMA_BCQEDPA_SADDR(x) (0xc8 + 0x100 * (x))#define FSL_QDMA_BCQDPA_SADDR(x) (0xcc + 0x100 * (x))#define FSL_QDMA_BCQEEPA_SADDR(x) (0xd0 + 0x100 * (x))#define FSL_QDMA_BCQEPA_SADDR(x) (0xd4 + 0x100 * (x))#define FSL_QDMA_BCQIER(x) (0xe0 + 0x100 * (x))#define FSL_QDMA_BCQIDR(x) (0xe4 + 0x100 * (x))#define FSL_QDMA_SQDPAR 0x80c#define FSL_QDMA_SQEPAR 0x814#define FSL_QDMA_BSQMR 0x800#define FSL_QDMA_BSQSR 0x804#define FSL_QDMA_BSQICR 0x828#define FSL_QDMA_CQMR 0xa00#define FSL_QDMA_CQDSCR1 0xa08#define FSL_QDMA_CQDSCR2 0xa0c#define FSL_QDMA_CQIER 0xa10#define FSL_QDMA_CQEDR 0xa14#define FSL_QDMA_SQCCMR 0xa20/* Registers for bit and genmask */#define FSL_QDMA_CQIDR_SQT BIT(15)#define QDMA_CCDF_FOTMAT BIT(29)#define QDMA_CCDF_SER BIT(30)#define QDMA_SG_FIN BIT(30)#define QDMA_SG_LEN_MASK GENMASK(29, 0)#define QDMA_CCDF_MASK GENMASK(28, 20)#define FSL_QDMA_DEDR_CLEAR GENMASK(31, 0)#define FSL_QDMA_BCQIDR_CLEAR GENMASK(31, 0)#define FSL_QDMA_DEIER_CLEAR GENMASK(31, 0)#define FSL_QDMA_BCQIER_CQTIE BIT(15)#define FSL_QDMA_BCQIER_CQPEIE BIT(23)#define FSL_QDMA_BSQICR_ICEN BIT(31)#define FSL_QDMA_BSQICR_ICST(x) ((x) << 16)#define FSL_QDMA_CQIER_MEIE BIT(31)#define FSL_QDMA_CQIER_TEIE BIT(0)#define FSL_QDMA_SQCCMR_ENTER_WM BIT(21)#define FSL_QDMA_BCQMR_EN BIT(31)#define FSL_QDMA_BCQMR_EI BIT(30)#define FSL_QDMA_BCQMR_CD_THLD(x) ((x) << 20)#define FSL_QDMA_BCQMR_CQ_SIZE(x) ((x) << 16)#define FSL_QDMA_BCQSR_QF BIT(16)#define FSL_QDMA_BCQSR_XOFF BIT(0)#define FSL_QDMA_BSQMR_EN BIT(31)#define FSL_QDMA_BSQMR_DI BIT(30)#define FSL_QDMA_BSQMR_CQ_SIZE(x) ((x) << 16)#define FSL_QDMA_BSQSR_QE BIT(17)#define FSL_QDMA_DMR_DQD BIT(30)