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Index of /anon_sym/anon/sys/class/tty/tty20
Index of /anon_sym/anon/sys/class/tty/tty20
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„ M²÷ÂÀÉ 8Ê +/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*/
#ifndef _LINUX_QCOM_GENI_SE
#define _LINUX_QCOM_GENI_SE
#include
/**
* enum geni_se_xfer_mode: Transfer modes supported by Serial Engines
*
* @GENI_SE_INVALID: Invalid mode
* @GENI_SE_FIFO: FIFO mode. Data is transferred with SE FIFO
* by programmed IO method
* @GENI_SE_DMA: Serial Engine DMA mode. Data is transferred
* with SE by DMAengine internal to SE
* @GENI_GPI_DMA: GPI DMA mode. Data is transferred using a DMAengine
* configured by a firmware residing on a GSI engine. This DMA name is
* interchangeably used as GSI or GPI which seem to imply the same DMAengine
*/
enum geni_se_xfer_mode {
GENI_SE_INVALID,
GENI_SE_FIFO,
GENI_SE_DMA,
GENI_GPI_DMA,
};
/* Protocols supported by GENI Serial Engines */
enum geni_se_protocol_type {
GENI_SE_NONE,
GENI_SE_SPI,
GENI_SE_UART,
GENI_SE_I2C,
GENI_SE_I3C,
GENI_SE_SPI_SLAVE,
};
struct geni_wrapper;
struct clk;
enum geni_icc_path_index {
GENI_TO_CORE,
CPU_TO_GENI,
GENI_TO_DDR
};
struct geni_icc_path {
struct icc_path *path;
unsigned int avg_bw;
};
/**
* struct geni_se - GENI Serial Engine
* @base: Base Address of the Serial Engine's register block
* @dev: Pointer to the Serial Engine device
* @wrapper: Pointer to the parent QUP Wrapper core
* @clk: Handle to the core serial engine clock
* @num_clk_levels: Number of valid clock levels in clk_perf_tbl
* @clk_perf_tbl: Table of clock frequency input to serial engine clock
* @icc_paths: Array of ICC paths for SE
*/
struct geni_se {
void __iomem *base;
struct device *dev;
struct geni_wrapper *wrapper;
struct clk *clk;
unsigned int num_clk_levels;
unsigned long *clk_perf_tbl;
struct geni_icc_path icc_paths[3];
};
/* Common SE registers */
#define GENI_FORCE_DEFAULT_REG 0x20
#define GENI_OUTPUT_CTRL 0x24
#define SE_GENI_STATUS 0x40
#define GENI_SER_M_CLK_CFG 0x48
#define GENI_SER_S_CLK_CFG 0x4c
#define GENI_IF_DISABLE_RO 0x64
#define GENI_FW_REVISION_RO 0x68
#define SE_GENI_CLK_SEL 0x7c
#define SE_GENI_CFG_SEQ_START 0x84
#define SE_GENI_DMA_MODE_EN 0x258
#define SE_GENI_M_CMD0 0x600
#define SE_GENI_M_CMD_CTRL_REG 0x604
#define SE_GENI_M_IRQ_STATUS 0x610
#define SE_GENI_M_IRQ_EN 0x614
#define SE_GENI_M_IRQ_CLEAR 0x618
#define SE_GENI_S_CMD0 0x630
#define SE_GENI_S_CMD_CTRL_REG 0x634
#define SE_GENI_S_IRQ_STATUS 0x640
#define SE_GENI_S_IRQ_EN 0x644
#define SE_GENI_S_IRQ_CLEAR 0x648
#define SE_GENI_TX_FIFOn 0x700
#define SE_GENI_RX_FIFOn 0x780
#define SE_GENI_TX_FIFO_STATUS