linux/drivers/gpu/drm/rockchip/rockchip_lvds.h
Sandy Huang 34cc0aa254 drm/rockchip: Add support for Rockchip Soc LVDS
This adds support for Rockchip soc lvds found on rk3288
Based on the patches from Mark yao and Heiko Stuebner.

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Reviewed-by: Mark Yao <mark.yao@rock-chips.com>
Tested-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1504351737-136042-1-git-send-email-hjc@rock-chips.com
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
2017-09-08 14:57:26 +08:00

115 lines
4.0 KiB
C

/*
* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
* Author:
* Sandy Huang <hjc@rock-chips.com>
* Mark Yao <mark.yao@rock-chips.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _ROCKCHIP_LVDS_
#define _ROCKCHIP_LVDS_
#define RK3288_LVDS_CH0_REG0 0x00
#define RK3288_LVDS_CH0_REG0_LVDS_EN BIT(7)
#define RK3288_LVDS_CH0_REG0_TTL_EN BIT(6)
#define RK3288_LVDS_CH0_REG0_LANECK_EN BIT(5)
#define RK3288_LVDS_CH0_REG0_LANE4_EN BIT(4)
#define RK3288_LVDS_CH0_REG0_LANE3_EN BIT(3)
#define RK3288_LVDS_CH0_REG0_LANE2_EN BIT(2)
#define RK3288_LVDS_CH0_REG0_LANE1_EN BIT(1)
#define RK3288_LVDS_CH0_REG0_LANE0_EN BIT(0)
#define RK3288_LVDS_CH0_REG1 0x04
#define RK3288_LVDS_CH0_REG1_LANECK_BIAS BIT(5)
#define RK3288_LVDS_CH0_REG1_LANE4_BIAS BIT(4)
#define RK3288_LVDS_CH0_REG1_LANE3_BIAS BIT(3)
#define RK3288_LVDS_CH0_REG1_LANE2_BIAS BIT(2)
#define RK3288_LVDS_CH0_REG1_LANE1_BIAS BIT(1)
#define RK3288_LVDS_CH0_REG1_LANE0_BIAS BIT(0)
#define RK3288_LVDS_CH0_REG2 0x08
#define RK3288_LVDS_CH0_REG2_RESERVE_ON BIT(7)
#define RK3288_LVDS_CH0_REG2_LANECK_LVDS_MODE BIT(6)
#define RK3288_LVDS_CH0_REG2_LANE4_LVDS_MODE BIT(5)
#define RK3288_LVDS_CH0_REG2_LANE3_LVDS_MODE BIT(4)
#define RK3288_LVDS_CH0_REG2_LANE2_LVDS_MODE BIT(3)
#define RK3288_LVDS_CH0_REG2_LANE1_LVDS_MODE BIT(2)
#define RK3288_LVDS_CH0_REG2_LANE0_LVDS_MODE BIT(1)
#define RK3288_LVDS_CH0_REG2_PLL_FBDIV8 BIT(0)
#define RK3288_LVDS_CH0_REG3 0x0c
#define RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK 0xff
#define RK3288_LVDS_CH0_REG4 0x10
#define RK3288_LVDS_CH0_REG4_LANECK_TTL_MODE BIT(5)
#define RK3288_LVDS_CH0_REG4_LANE4_TTL_MODE BIT(4)
#define RK3288_LVDS_CH0_REG4_LANE3_TTL_MODE BIT(3)
#define RK3288_LVDS_CH0_REG4_LANE2_TTL_MODE BIT(2)
#define RK3288_LVDS_CH0_REG4_LANE1_TTL_MODE BIT(1)
#define RK3288_LVDS_CH0_REG4_LANE0_TTL_MODE BIT(0)
#define RK3288_LVDS_CH0_REG5 0x14
#define RK3288_LVDS_CH0_REG5_LANECK_TTL_DATA BIT(5)
#define RK3288_LVDS_CH0_REG5_LANE4_TTL_DATA BIT(4)
#define RK3288_LVDS_CH0_REG5_LANE3_TTL_DATA BIT(3)
#define RK3288_LVDS_CH0_REG5_LANE2_TTL_DATA BIT(2)
#define RK3288_LVDS_CH0_REG5_LANE1_TTL_DATA BIT(1)
#define RK3288_LVDS_CH0_REG5_LANE0_TTL_DATA BIT(0)
#define RK3288_LVDS_CFG_REGC 0x30
#define RK3288_LVDS_CFG_REGC_PLL_ENABLE 0x00
#define RK3288_LVDS_CFG_REGC_PLL_DISABLE 0xff
#define RK3288_LVDS_CH0_REGD 0x34
#define RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK 0x1f
#define RK3288_LVDS_CH0_REG20 0x80
#define RK3288_LVDS_CH0_REG20_MSB 0x45
#define RK3288_LVDS_CH0_REG20_LSB 0x44
#define RK3288_LVDS_CFG_REG21 0x84
#define RK3288_LVDS_CFG_REG21_TX_ENABLE 0x92
#define RK3288_LVDS_CFG_REG21_TX_DISABLE 0x00
#define RK3288_LVDS_CH1_OFFSET 0x100
/* fbdiv value is split over 2 registers, with bit8 in reg2 */
#define RK3288_LVDS_PLL_FBDIV_REG2(_fbd) \
(_fbd & BIT(8) ? RK3288_LVDS_CH0_REG2_PLL_FBDIV8 : 0)
#define RK3288_LVDS_PLL_FBDIV_REG3(_fbd) \
(_fbd & RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK)
#define RK3288_LVDS_PLL_PREDIV_REGD(_pd) \
(_pd & RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK)
#define RK3288_LVDS_SOC_CON6_SEL_VOP_LIT BIT(3)
#define LVDS_FMT_MASK (0x07 << 16)
#define LVDS_MSB BIT(3)
#define LVDS_DUAL BIT(4)
#define LVDS_FMT_1 BIT(5)
#define LVDS_TTL_EN BIT(6)
#define LVDS_START_PHASE_RST_1 BIT(7)
#define LVDS_DCLK_INV BIT(8)
#define LVDS_CH0_EN BIT(11)
#define LVDS_CH1_EN BIT(12)
#define LVDS_PWRDN BIT(15)
#define LVDS_24BIT (0 << 1)
#define LVDS_18BIT (1 << 1)
#define LVDS_FORMAT_VESA (0 << 0)
#define LVDS_FORMAT_JEIDA (1 << 0)
#define LVDS_VESA_24 0
#define LVDS_JEIDA_24 1
#define LVDS_VESA_18 2
#define LVDS_JEIDA_18 3
#endif /* _ROCKCHIP_LVDS_ */