/* 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__ /* 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) /* * PKT_CONTROL format: * [15: 0] - word count * [17:16] - virtual channel * [23:18] - data type * [24] - LP or HS select (0 - LP, 1 - HS) * [25] - perform BTA after packet is sent * [26] - perform BTA only, no packet tx */ #define NWL_DSI_WC(x) FIELD_PREP(GENMASK(15, 0), (x)) #define NWL_DSI_TX_VC(x) FIELD_PREP(GENMASK(17, 16), (x)) #define NWL_DSI_TX_DT(x) FIELD_PREP(GENMASK(23, 18), (x)) #define NWL_DSI_HS_SEL(x) FIELD_PREP(GENMASK(24, 24), (x)) #define NWL_DSI_BTA_TX(x) FIELD_PREP(GENMASK(25, 25), (x)) #define NWL_DSI_BTA_NO_TX(x) FIELD_PREP(GENMASK(26, 26), (x)) /* * RX_PKT_HEADER format: * [15: 0] - word count * [21:16] - data type * [23:22] - virtual channel */ #define NWL_DSI_RX_DT(x) FIELD_GET(GENMASK(21, 16), (x)) #define NWL_DSI_RX_VC(x) FIELD_GET(GENMASK(23, 22), (x)) /* DSI Video mode */ #define NWL_DSI_VM_BURST_MODE_WITH_SYNC_PULSES 0 #define NWL_DSI_VM_NON_BURST_MODE_WITH_SYNC_EVENTS BIT(0) #define NWL_DSI_VM_BURST_MODE BIT(1) /* * DPI color coding */ #define NWL_DSI_DPI_16_BIT_565_PACKED 0 #define NWL_DSI_DPI_16_BIT_565_ALIGNED 1 #define NWL_DSI_DPI_16_BIT_565_SHIFTED 2 #define NWL_DSI_DPI_18_BIT_PACKED 3 #define NWL_DSI_DPI_18_BIT_ALIGNED 4 #define NWL_DSI_DPI_24_BIT 5 /* * DPI Pixel format */ #define NWL_DSI_PIXEL_FORMAT_16 0 #define NWL_DSI_PIXEL_FORMAT_18 BIT(0) #define NWL_DSI_PIXEL_FORMAT_18L BIT(1) #define NWL_DSI_PIXEL_FORMAT_24 (BIT(0) | BIT(1)) #endif /* __NWL_DSI_H__ */