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/*
* Copyright (c) 2016 Linaro Limited.
* Copyright (c) 2014-2016 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __DW_DSI_REG_H__
#define __DW_DSI_REG_H__
#define MASK(x) (BIT(x) - 1)
/*
* regs
*/
#define PWR_UP 0x04 /* Core power-up */
#define RESET 0
#define POWERUP BIT(0)
#define PHY_IF_CFG 0xA4 /* D-PHY interface configuration */
#define CLKMGR_CFG 0x08 /* the internal clock dividers */
#define PHY_RSTZ 0xA0 /* D-PHY reset control */
#define PHY_ENABLECLK BIT(2)
#define PHY_UNRSTZ BIT(1)
#define PHY_UNSHUTDOWNZ BIT(0)
#define PHY_TST_CTRL0 0xB4 /* D-PHY test interface control 0 */
#define PHY_TST_CTRL1 0xB8 /* D-PHY test interface control 1 */
#define CLK_TLPX 0x10
#define CLK_THS_PREPARE 0x11
#define CLK_THS_ZERO 0x12
#define CLK_THS_TRAIL 0x13
#define CLK_TWAKEUP 0x14
#define DATA_TLPX(x) (0x20 + ((x) << 4))
#define DATA_THS_PREPARE(x) (0x21 + ((x) << 4))
#define DATA_THS_ZERO(x) (0x22 + ((x) << 4))
#define DATA_THS_TRAIL(x) (0x23 + ((x) << 4))
#define DATA_TTA_GO(x) (0x24 + ((x) << 4))
#define DATA_TTA_GET(x) (0x25 + ((x) << 4))
#define DATA_TWAKEUP(x) (0x26 + ((x) << 4))
#define PHY_CFG_I 0x60
#define PHY_CFG_PLL_I 0x63
#define PHY_CFG_PLL_II 0x64
#define PHY_CFG_PLL_III 0x65
#define PHY_CFG_PLL_IV 0x66
#define PHY_CFG_PLL_V 0x67
#define DPI_COLOR_CODING 0x10 /* DPI color coding */
#define DPI_CFG_POL 0x14 /* DPI polarity configuration */
#define VID_HSA_TIME 0x48 /* Horizontal Sync Active time */
#define VID_HBP_TIME 0x4C /* Horizontal Back Porch time */
#define VID_HLINE_TIME 0x50 /* Line time */
#define VID_VSA_LINES 0x54 /* Vertical Sync Active period */
#define VID_VBP_LINES 0x58 /* Vertical Back Porch period */
#define VID_VFP_LINES 0x5C /* Vertical Front Porch period */
#define VID_VACTIVE_LINES 0x60 /* Vertical resolution */
#define VID_PKT_SIZE 0x3C /* Video packet size */
#define VID_MODE_CFG 0x38 /* Video mode configuration */
#define GEN_HDR 0x6c
#define GEN_HDATA(data) (((data) & 0xffff) << 8)
#define GEN_HDATA_MASK (0xffff << 8)
#define GEN_HTYPE(type) (((type) & 0xff) << 0)
#define GEN_HTYPE_MASK 0xff
#define GEN_PLD_DATA 0x70
#define CMD_PKT_STATUS 0x74
#define GEN_CMD_EMPTY BIT(0)
#define GEN_CMD_FULL BIT(1)
#define GEN_PLD_W_EMPTY BIT(2)
#define GEN_PLD_W_FULL BIT(3)
#define GEN_PLD_R_EMPTY BIT(4)
#define GEN_PLD_R_FULL BIT(5)
#define GEN_RD_CMD_BUSY BIT(6)
#define CMD_MODE_CFG 0x68
#define MAX_RD_PKT_SIZE_LP BIT(24)
#define DCS_LW_TX_LP BIT(19)
#define DCS_SR_0P_TX_LP BIT(18)
#define DCS_SW_1P_TX_LP BIT(17)
#define DCS_SW_0P_TX_LP BIT(16)
#define GEN_LW_TX_LP BIT(14)
#define GEN_SR_2P_TX_LP BIT(13)
#define GEN_SR_1P_TX_LP BIT(12)
#define GEN_SR_0P_TX_LP BIT(11)
#define GEN_SW_2P_TX_LP BIT(10)
#define GEN_SW_1P_TX_LP BIT(9)
#define GEN_SW_0P_TX_LP BIT(8)
#define EN_ACK_RQST BIT(1)
#define EN_TEAR_FX BIT(0)
#define CMD_MODE_ALL_LP (MAX_RD_PKT_SIZE_LP | \
DCS_LW_TX_LP | \
DCS_SR_0P_TX_LP | \
DCS_SW_1P_TX_LP | \
DCS_SW_0P_TX_LP | \
GEN_LW_TX_LP | \
GEN_SR_2P_TX_LP | \
GEN_SR_1P_TX_LP | \
GEN_SR_0P_TX_LP | \
GEN_SW_2P_TX_LP | \
GEN_SW_1P_TX_LP | \
GEN_SW_0P_TX_LP)
#define PHY_TMR_CFG 0x9C /* Data lanes timing configuration */
#define BTA_TO_CNT 0x8C /* Response timeout definition */
#define PHY_TMR_LPCLK_CFG 0x98 /* clock lane timing configuration */
#define CLK_DATA_TMR_CFG 0xCC
#define LPCLK_CTRL 0x94 /* Low-power in clock lane */
#define PHY_TXREQUESTCLKHS BIT(0)
#define MODE_CFG 0x34 /* Video or Command mode selection */
#define PHY_STATUS 0xB0 /* D-PHY PPI status interface */
#define PHY_STOP_WAIT_TIME 0x30
#define CMD_PKT_STATUS_TIMEOUT_US 20000
/*
* regs relevant enum
*/
enum dpi_color_coding {
DSI_24BITS_1 = 5,
};
enum dsi_video_mode_type {
DSI_NON_BURST_SYNC_PULSES = 0,
DSI_NON_BURST_SYNC_EVENTS,
DSI_BURST_SYNC_PULSES_1,
DSI_BURST_SYNC_PULSES_2
};
enum dsi_work_mode {
DSI_VIDEO_MODE = 0,
DSI_COMMAND_MODE
};
/*
* Register Write/Read Helper functions
*/
static inline void dw_update_bits(void __iomem *addr, u32 bit_start,
u32 mask, u32 val)
{
u32 tmp, orig;
orig = readl(addr);
tmp = orig & ~(mask << bit_start);
tmp |= (val & mask) << bit_start;
writel(tmp, addr);
}
#endif /* __DW_DRM_DSI_H__ */
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