/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*/
#ifndef _QCOM_GENI_SE
#define _QCOM_GENI_SE
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,
GENI_SE_INVALID_PROTO = 255,
};
#define QUP_HW_VER_REG 0x4
/* Common SE registers */
#define GENI_INIT_CFG_REVISION 0x0
#define GENI_S_INIT_CFG_REVISION 0x4
#define GENI_FORCE_DEFAULT_REG 0x20
#define GENI_OUTPUT_CTRL 0x24
#define GENI_CGC_CTRL 0x28
#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 GENI_DFS_IF_CFG 0x80
#define SE_GENI_CLK_SEL 0x7c
#define SE_GENI_CFG_SEQ_START 0x84
#define SE_GENI_BYTE_GRAN 0x254
#define SE_GENI_DMA_MODE_EN 0x258
#define SE_GENI_TX_PACKING_CFG0 0x260
#define SE_GENI_TX_PACKING_CFG1 0x264
#define SE_GENI_RX_PACKING_CFG0 0x284
#define SE_GENI_RX_PACKING_CFG1 0x288
#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 0x800
#define SE_GENI_RX_FIFO_STATUS 0x804
#define SE_GENI_TX_WATERMARK_REG 0x80c
#define SE_GENI_RX_WATERMARK_REG 0x810
#define SE_GENI_RX_RFR_WATERMARK_REG 0x814
#define SE_GENI_IOS 0x908
#define SE_DMA_TX_IRQ_STAT 0xc40
#define SE_DMA_TX_IRQ_CLR 0xc44
#define SE_DMA_TX_IRQ_EN_SET 0xc4c
#define SE_DMA_TX_FSM_RST 0xc58
#define SE_DMA_RX_IRQ_STAT 0xd40
#define SE_DMA_RX_IRQ_CLR 0xd44
#define SE_DMA_RX_IRQ_EN_SET 0xd4c
#define SE_DMA_RX_LEN_IN 0xd54
#define SE_DMA_RX_FSM_RST 0xd58
#define SE_GSI_EVENT_EN 0xe18
#define SE_IRQ_EN 0xe1c
#define SE_HW_PARAM_0 0xe24
#define SE_HW_PARAM_1 0xe28
#define SE_DMA_GENERAL_CFG 0xe30
/* GENI_DFS_IF_CFG fields */
#define DFS_IF_EN BIT(0)
/* SE_DMA_RX_IRQ_EN_SET fields */
#define RESET_DONE_EN_SET BIT(3)
/* GENI_FORCE_DEFAULT_REG fields */
#define FORCE_DEFAULT BIT(0)
/* GENI_OUTPUT_CTRL fields */
#define GENI_IO_MUX_0_EN BIT(0)
#define DEFAULT_IO_OUTPUT_CTRL_MSK GENMASK(6, 0)
/* GENI_CGC_CTRL fields */
#define CFG_AHB_CLK_CGC_ON BIT(0)
#define CFG_AHB_WR_ACLK_CGC_ON BIT(1)
#define DATA_AHB_CLK_CGC_ON BIT(2)
#define SCLK_CGC_ON BIT(3)
#define TX_CLK_CGC_ON BIT(4)
#define RX_CLK_CGC_ON BIT(5)
#define EXT_CLK_CGC_ON BIT(6)
#define PROG_RAM_HCLK_OFF BIT(8)
#define PROG_RAM_SCLK_OFF BIT(9)
#define DEFAULT_CGC_EN GENMASK(6, 0)
/* GENI_STATUS fields */
#define M_GENI_CMD_ACTIVE BIT(0)
#define S_GENI_CMD_ACTIVE BIT(12)
/* GENI_SER_M_CLK_CFG/GENI_SER_S_CLK_CFG */
#define SER_CLK_EN BIT(0)
#define CLK_DIV_MSK GENMASK(15, 4)
#define CLK_DIV_SHFT 4
/* GENI_IF_DISABLE_RO fields */
#define FIFO_IF_DISABLE (BIT(0))
/* GENI_FW_REVISION_RO fields */
#define FW_REV_PROTOCOL_MSK GENMASK(15, 8)
#define FW_REV_PROTOCOL_SHFT 8
/* GENI_CLK_SEL fields */
#define CLK_SEL_MSK GENMASK(2, 0)
/* SE_GENI_CFG_SEQ_START fields */
#define START_TRIGGER BIT(0)
/* SE_IRQ_EN fields */
#define DMA_RX_IRQ_EN BIT(0)
#define DMA_TX_IRQ_EN BIT(1)
#define GENI_M_IRQ_EN BIT(2)
#define GENI_S_IRQ_EN BIT(3)
/* SE_GENI_DMA_MODE_EN */
#define GENI_DMA_MODE_EN BIT(0)
/* GENI_M_CMD0 fields */
#define M_OPCODE_MSK GENMASK(31, 27)
#define M_OPCODE_SHFT 27
#define M_PARAMS_MSK GENMASK(26, 0)
/* GENI_M_CMD_CTRL_REG */
#define M_GENI_CMD_CANCEL BIT(2)
#define M_GENI_CMD_ABORT BIT(1)
#define M_GENI_DISABLE BIT(0)
/* GENI_S_CMD0 fields */
#define S_OPCODE_MSK GENMASK(31, 27)
#define S_OPCODE_SHFT 27
#define S_PARAMS_MSK GENMASK(26, 0)
/* GENI_S_CMD_CTRL_REG */
#define S_GENI_CMD_CANCEL BIT(2)
#define S_GENI_CMD_ABORT BIT(1)
#define S_GENI_DISABLE BIT(0)
/* GENI_M_IRQ_EN fields */
#define M_CMD_DONE_EN BIT(0)
#define M_CMD_OVERRUN_EN BIT(1)
#define M_ILLEGAL_CMD_EN BIT(2)
#define M_CMD_FAILURE_EN BIT(3)
#define M_CMD_CANCEL_EN BIT(4)
#define M_CMD_ABORT_EN BIT(5)
#define M_TIMESTAMP_EN BIT(6)
#define M_RX_IRQ_EN BIT(7)
#define M_GP_SYNC_IRQ_0_EN BIT(8)
#define M_GP_IRQ_0_EN BIT(9)
#define M_GP_IRQ_1_EN BIT(10)
#define M_GP_IRQ_2_EN BIT(11)
#define M_GP_IRQ_3_EN BIT(12)
#define M_GP_IRQ_4_EN BIT(13)
#define M_GP_IRQ_5_EN BIT(14)
#define M_TX_FIFO_NOT_EMPTY_EN BIT(21)
#define M_IO_DATA_DEASSERT_EN BIT(22)
#define M_IO_DATA_ASSERT_EN BIT(23)
#define M_RX_FIFO_RD_ERR_EN BIT(24)
#define M_RX_FIFO_WR_ERR_EN BIT(25)
#define M_RX_FIFO_WATERMARK_EN BIT(26)
#define M_RX_FIFO_LAST_EN BIT(27)
#define M_TX_FIFO_RD_ERR_EN BIT(28)
#define M_TX_FIFO_WR_ERR_EN BIT(29)
#define M_TX_FIFO_WATERMARK_EN BIT(30)
#define M_SEC_IRQ_EN BIT(31)
#define M_COMMON_GENI_M_IRQ_EN (GENMASK(6, 1) | \
M_IO_DATA_DEASSERT_EN | \
M_IO_DATA_ASSERT_EN | M_RX_FIFO_RD_ERR_EN | \
M_RX_FIFO_WR_ERR_EN | M_TX_FIFO_RD_ERR_EN | \
M_TX_FIFO_WR_ERR_EN)
/* GENI_S_IRQ_EN fields */
#define S_CMD_DONE_EN BIT(0)
#define S_CMD_OVERRUN_EN BIT(1)
#define S_ILLEGAL_CMD_EN BIT(2)
#define S_CMD_FAILURE_EN BIT(3)
#define S_CMD_CANCEL_EN BIT(4)
#define S_CMD_ABORT_EN BIT(5)
#define S_GP_SYNC_IRQ_0_EN BIT(8)
#define S_GP_IRQ_0_EN BIT(9)
#define S_GP_IRQ_1_EN BIT(10)
#define S_GP_IRQ_2_EN BIT(11)
#define S_GP_IRQ_3_EN BIT(12)
#define S_GP_IRQ_4_EN BIT(13)
#define S_GP_IRQ_5_EN BIT(14)
#define S_IO_DATA_DEASSERT_EN BIT(22)
#define S_IO_DATA_ASSERT_EN BIT(23)
#define S_RX_FIFO_RD_ERR_EN BIT(24)
#define S_RX_FIFO_WR_ERR_EN BIT(25)
#define S_RX_FIFO_WATERMARK_EN BIT(26)
#define S_RX_FIFO_LAST_EN BIT(27)
#define S_COMMON_GENI_S_IRQ_EN (GENMASK(5, 1) | GENMASK(13, 9) | \
S_RX_FIFO_RD_ERR_EN | S_RX_FIFO_WR_ERR_EN)
/* GENI_/TX/RX/RX_RFR/_WATERMARK_REG fields */
#define WATERMARK_MSK GENMASK(5, 0)
/* GENI_TX_FIFO_STATUS fields */
#define TX_FIFO_WC GENMASK(27, 0)
/* GENI_RX_FIFO_STATUS fields */
#define RX_LAST BIT(31)
#define RX_LAST_BYTE_VALID_MSK GENMASK(30, 28)
#define RX_LAST_BYTE_VALID_SHFT 28
#define RX_FIFO_WC_MSK GENMASK(24, 0)
/* SE_GENI_IOS fields */
#define IO2_DATA_IN BIT(1)
#define RX_DATA_IN BIT(0)
/* SE_DMA_TX_IRQ_STAT Register fields */
#define TX_DMA_DONE BIT(0)
#define TX_EOT BIT(1)
#define TX_SBE BIT(2)
#define TX_RESET_DONE BIT(3)
/* SE_DMA_RX_IRQ_STAT Register fields */
#define RX_DMA_DONE BIT(0)
#define RX_EOT BIT(1)
#define RX_SBE BIT(2)
#define RX_RESET_DONE BIT(3)
#define RX_FLUSH_DONE BIT(4)
#define RX_DMA_PARITY_ERR BIT(5)
#define RX_DMA_BREAK GENMASK(8, 7)
#define RX_GENI_GP_IRQ GENMASK(10, 5)
#define RX_GENI_CANCEL_IRQ BIT(11)
#define RX_GENI_GP_IRQ_EXT GENMASK(13, 12)
/* SE_HW_PARAM_0 fields */
#define TX_FIFO_WIDTH_MSK GENMASK(29, 24)
#define TX_FIFO_WIDTH_SHFT 24
/*
* For QUP HW Version >= 3.10 Tx fifo depth support is increased
* to 256bytes and corresponding bits are 16 to 23
*/
#define TX_FIFO_DEPTH_MSK_256_BYTES GENMASK(23, 16)
#define TX_FIFO_DEPTH_MSK GENMASK(21, 16)
#define TX_FIFO_DEPTH_SHFT 16
/* SE_HW_PARAM_1 fields */
#define RX_FIFO_WIDTH_MSK GENMASK(29, 24)
#define RX_FIFO_WIDTH_SHFT 24
/*
* For QUP HW Version >= 3.10 Rx fifo depth support is increased
* to 256bytes and corresponding bits are 16 to 23
*/
#define RX_FIFO_DEPTH_MSK_256_BYTES GENMASK(23, 16)
#define RX_FIFO_DEPTH_MSK GENMASK(21, 16)
#define RX_FIFO_DEPTH_SHFT 16
#define HW_VER_MAJOR_MASK GENMASK(31, 28)
#define HW_VER_MAJOR_SHFT 28
#define HW_VER_MINOR_MASK GENMASK(27, 16)
#define HW_VER_MINOR_SHFT 16
#define HW_VER_STEP_MASK GENMASK(15, 0)
#define GENI_SE_VERSION_MAJOR(ver) ((ver & HW_VER_MAJOR_MASK) >> HW_VER_MAJOR_SHFT)
#define GENI_SE_VERSION_MINOR(ver) ((ver & HW_VER_MINOR_MASK) >> HW_VER_MINOR_SHFT)
#define GENI_SE_VERSION_STEP(ver) (ver & HW_VER_STEP_MASK)
/* QUP SE VERSION value for major number 2 and minor number 5 */
#define QUP_SE_VERSION_2_5 0x20050000
/* SE_DMA_GENERAL_CFG */
#define DMA_RX_CLK_CGC_ON BIT(0)
#define DMA_TX_CLK_CGC_ON BIT(1)
#define DMA_AHB_SLV_CFG_ON BIT(2)
#define AHB_SEC_SLV_CLK_CGC_ON BIT(3)
#define DUMMY_RX_NON_BUFFERABLE BIT(4)
#define RX_DMA_ZERO_PADDING_EN BIT(5)
#define RX_DMA_IRQ_DELAY_MSK GENMASK(8, 6)
#define RX_DMA_IRQ_DELAY_SHFT 6
#define GENI_SE_DMA_DONE_EN BIT(0)
#define GENI_SE_DMA_EOT_EN BIT(1)
#define GENI_SE_DMA_AHB_ERR_EN BIT(2)
#define GENI_SE_DMA_EOT_BUF BIT(0)
#define GENI_DMA_MODE_EN BIT(0)
#endif