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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* NWL MIPI DSI host driver
*
* Copyright (C) 2017 NXP
* Copyright (C) 2019 Purism SPC
*/
#ifndef __NWL_DSI_H__
#define __NWL_DSI_H__
#include <linux/irqreturn.h>
#include <drm/drm_mipi_dsi.h>
#include "nwl-drv.h"
/* DSI HOST registers */
#define NWL_DSI_CFG_NUM_LANES 0x0
#define NWL_DSI_CFG_NONCONTINUOUS_CLK 0x4
#define NWL_DSI_CFG_T_PRE 0x8
#define NWL_DSI_CFG_T_POST 0xc
#define NWL_DSI_CFG_TX_GAP 0x10
#define NWL_DSI_CFG_AUTOINSERT_EOTP 0x14
#define NWL_DSI_CFG_EXTRA_CMDS_AFTER_EOTP 0x18
#define NWL_DSI_CFG_HTX_TO_COUNT 0x1c
#define NWL_DSI_CFG_LRX_H_TO_COUNT 0x20
#define NWL_DSI_CFG_BTA_H_TO_COUNT 0x24
#define NWL_DSI_CFG_TWAKEUP 0x28
#define NWL_DSI_CFG_STATUS_OUT 0x2c
#define NWL_DSI_RX_ERROR_STATUS 0x30
/* DSI DPI registers */
#define NWL_DSI_PIXEL_PAYLOAD_SIZE 0x200
#define NWL_DSI_PIXEL_FIFO_SEND_LEVEL 0x204
#define NWL_DSI_INTERFACE_COLOR_CODING 0x208
#define NWL_DSI_PIXEL_FORMAT 0x20c
#define NWL_DSI_VSYNC_POLARITY 0x210
#define NWL_DSI_VSYNC_POLARITY_ACTIVE_LOW 0
#define NWL_DSI_VSYNC_POLARITY_ACTIVE_HIGH BIT(1)
#define NWL_DSI_HSYNC_POLARITY 0x214
#define NWL_DSI_HSYNC_POLARITY_ACTIVE_LOW 0
#define NWL_DSI_HSYNC_POLARITY_ACTIVE_HIGH BIT(1)
#define NWL_DSI_VIDEO_MODE 0x218
#define NWL_DSI_HFP 0x21c
#define NWL_DSI_HBP 0x220
#define NWL_DSI_HSA 0x224
#define NWL_DSI_ENABLE_MULT_PKTS 0x228
#define NWL_DSI_VBP 0x22c
#define NWL_DSI_VFP 0x230
#define NWL_DSI_BLLP_MODE 0x234
#define NWL_DSI_USE_NULL_PKT_BLLP 0x238
#define NWL_DSI_VACTIVE 0x23c
#define NWL_DSI_VC 0x240
/* DSI APB PKT control */
#define NWL_DSI_TX_PAYLOAD 0x280
#define NWL_DSI_PKT_CONTROL 0x284
#define NWL_DSI_SEND_PACKET 0x288
#define NWL_DSI_PKT_STATUS 0x28c
#define NWL_DSI_PKT_FIFO_WR_LEVEL 0x290
#define NWL_DSI_PKT_FIFO_RD_LEVEL 0x294
#define NWL_DSI_RX_PAYLOAD 0x298
#define NWL_DSI_RX_PKT_HEADER 0x29c
/* DSI IRQ handling */
#define NWL_DSI_IRQ_STATUS 0x2a0
#define NWL_DSI_SM_NOT_IDLE BIT(0)
#define NWL_DSI_TX_PKT_DONE BIT(1)
#define NWL_DSI_DPHY_DIRECTION BIT(2)
#define NWL_DSI_TX_FIFO_OVFLW BIT(3)
#define NWL_DSI_TX_FIFO_UDFLW BIT(4)
#define NWL_DSI_RX_FIFO_OVFLW BIT(5)
#define NWL_DSI_RX_FIFO_UDFLW BIT(6)
#define NWL_DSI_RX_PKT_HDR_RCVD BIT(7)
#define NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD BIT(8)
#define NWL_DSI_BTA_TIMEOUT BIT(29)
#define NWL_DSI_LP_RX_TIMEOUT BIT(30)
#define NWL_DSI_HS_TX_TIMEOUT BIT(31)
#define NWL_DSI_IRQ_STATUS2 0x2a4
#define NWL_DSI_SINGLE_BIT_ECC_ERR BIT(0)
#define NWL_DSI_MULTI_BIT_ECC_ERR BIT(1)
#define NWL_DSI_CRC_ERR BIT(2)
#define NWL_DSI_IRQ_MASK 0x2a8
#define NWL_DSI_SM_NOT_IDLE_MASK BIT(0)
#define NWL_DSI_TX_PKT_DONE_MASK BIT(1)
#define NWL_DSI_DPHY_DIRECTION_MASK BIT(2)
#define NWL_DSI_TX_FIFO_OVFLW_MASK BIT(3)
#define NWL_DSI_TX_FIFO_UDFLW_MASK BIT(4)
#define NWL_DSI_RX_FIFO_OVFLW_MASK BIT(5)
#define NWL_DSI_RX_FIFO_UDFLW_MASK BIT(6)
#define NWL_DSI_RX_PKT_HDR_RCVD_MASK BIT(7)
#define NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD_MASK BIT(8)
#define NWL_DSI_BTA_TIMEOUT_MASK BIT(29)
#define NWL_DSI_LP_RX_TIMEOUT_MASK BIT(30)
#define NWL_DSI_HS_TX_TIMEOUT_MASK BIT(31)
#define NWL_DSI_IRQ_MASK2 0x2ac
#define NWL_DSI_SINGLE_BIT_ECC_ERR_MASK BIT(0)
#define NWL_DSI_MULTI_BIT_ECC_ERR_MASK BIT(1)
#define NWL_DSI_CRC_ERR_MASK BIT(2)
extern const struct mipi_dsi_host_ops nwl_dsi_host_ops;
irqreturn_t nwl_dsi_irq_handler(int irq, void *data);
int nwl_dsi_enable(struct nwl_dsi *dsi);
int nwl_dsi_disable(struct nwl_dsi *dsi);
#endif /* __NWL_DSI_H__ */
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