1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2016 Linaro Limited. 4 * Copyright (c) 2014-2016 HiSilicon Limited. 5 */ 6 7 #ifndef __DW_DSI_REG_H__ 8 #define __DW_DSI_REG_H__ 9 10 #define MASK(x) (BIT(x) - 1) 11 12 /* 13 * regs 14 */ 15 #define PWR_UP 0x04 /* Core power-up */ 16 #define RESET 0 17 #define POWERUP BIT(0) 18 #define PHY_IF_CFG 0xA4 /* D-PHY interface configuration */ 19 #define CLKMGR_CFG 0x08 /* the internal clock dividers */ 20 #define PHY_RSTZ 0xA0 /* D-PHY reset control */ 21 #define PHY_ENABLECLK BIT(2) 22 #define PHY_UNRSTZ BIT(1) 23 #define PHY_UNSHUTDOWNZ BIT(0) 24 #define PHY_TST_CTRL0 0xB4 /* D-PHY test interface control 0 */ 25 #define PHY_TST_CTRL1 0xB8 /* D-PHY test interface control 1 */ 26 #define CLK_TLPX 0x10 27 #define CLK_THS_PREPARE 0x11 28 #define CLK_THS_ZERO 0x12 29 #define CLK_THS_TRAIL 0x13 30 #define CLK_TWAKEUP 0x14 31 #define DATA_TLPX(x) (0x20 + ((x) << 4)) 32 #define DATA_THS_PREPARE(x) (0x21 + ((x) << 4)) 33 #define DATA_THS_ZERO(x) (0x22 + ((x) << 4)) 34 #define DATA_THS_TRAIL(x) (0x23 + ((x) << 4)) 35 #define DATA_TTA_GO(x) (0x24 + ((x) << 4)) 36 #define DATA_TTA_GET(x) (0x25 + ((x) << 4)) 37 #define DATA_TWAKEUP(x) (0x26 + ((x) << 4)) 38 #define PHY_CFG_I 0x60 39 #define PHY_CFG_PLL_I 0x63 40 #define PHY_CFG_PLL_II 0x64 41 #define PHY_CFG_PLL_III 0x65 42 #define PHY_CFG_PLL_IV 0x66 43 #define PHY_CFG_PLL_V 0x67 44 #define DPI_COLOR_CODING 0x10 /* DPI color coding */ 45 #define DPI_CFG_POL 0x14 /* DPI polarity configuration */ 46 #define VID_HSA_TIME 0x48 /* Horizontal Sync Active time */ 47 #define VID_HBP_TIME 0x4C /* Horizontal Back Porch time */ 48 #define VID_HLINE_TIME 0x50 /* Line time */ 49 #define VID_VSA_LINES 0x54 /* Vertical Sync Active period */ 50 #define VID_VBP_LINES 0x58 /* Vertical Back Porch period */ 51 #define VID_VFP_LINES 0x5C /* Vertical Front Porch period */ 52 #define VID_VACTIVE_LINES 0x60 /* Vertical resolution */ 53 #define VID_PKT_SIZE 0x3C /* Video packet size */ 54 #define VID_MODE_CFG 0x38 /* Video mode configuration */ 55 #define PHY_TMR_CFG 0x9C /* Data lanes timing configuration */ 56 #define BTA_TO_CNT 0x8C /* Response timeout definition */ 57 #define PHY_TMR_LPCLK_CFG 0x98 /* clock lane timing configuration */ 58 #define CLK_DATA_TMR_CFG 0xCC 59 #define LPCLK_CTRL 0x94 /* Low-power in clock lane */ 60 #define PHY_TXREQUESTCLKHS BIT(0) 61 #define MODE_CFG 0x34 /* Video or Command mode selection */ 62 #define PHY_STATUS 0xB0 /* D-PHY PPI status interface */ 63 64 #define PHY_STOP_WAIT_TIME 0x30 65 66 /* 67 * regs relevant enum 68 */ 69 enum dpi_color_coding { 70 DSI_24BITS_1 = 5, 71 }; 72 73 enum dsi_video_mode_type { 74 DSI_NON_BURST_SYNC_PULSES = 0, 75 DSI_NON_BURST_SYNC_EVENTS, 76 DSI_BURST_SYNC_PULSES_1, 77 DSI_BURST_SYNC_PULSES_2 78 }; 79 80 enum dsi_work_mode { 81 DSI_VIDEO_MODE = 0, 82 DSI_COMMAND_MODE 83 }; 84 85 /* 86 * Register Write/Read Helper functions 87 */ 88 static inline void dw_update_bits(void __iomem *addr, u32 bit_start, 89 u32 mask, u32 val) 90 { 91 u32 tmp, orig; 92 93 orig = readl(addr); 94 tmp = orig & ~(mask << bit_start); 95 tmp |= (val & mask) << bit_start; 96 writel(tmp, addr); 97 } 98 99 #endif /* __DW_DRM_DSI_H__ */ 100