diff options
Diffstat (limited to 'board/gdsys/common/adv7611.c')
| -rw-r--r-- | board/gdsys/common/adv7611.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/board/gdsys/common/adv7611.c b/board/gdsys/common/adv7611.c deleted file mode 100644 index 06cdc05825..0000000000 --- a/board/gdsys/common/adv7611.c +++ /dev/null @@ -1,180 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2014 - * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc - */ - -#ifdef CONFIG_GDSYS_LEGACY_DRIVERS - -#include <common.h> -#include <i2c.h> - -#define ADV7611_I2C_ADDR 0x4c -#define ADV7611_RDINFO 0x2051 - -/* - * ADV7611 I2C Addresses in u-boot notation - */ -enum { - CP_I2C_ADDR = 0x22, - DPLL_I2C_ADDR = 0x26, - KSV_I2C_ADDR = 0x32, - HDMI_I2C_ADDR = 0x34, - EDID_I2C_ADDR = 0x36, - INFOFRAME_I2C_ADDR = 0x3e, - CEC_I2C_ADDR = 0x40, - IO_I2C_ADDR = ADV7611_I2C_ADDR, -}; - -/* - * Global Control Registers - */ -enum { - IO_RD_INFO_MSB = 0xea, - IO_RD_INFO_LSB = 0xeb, - IO_CEC_ADDR = 0xf4, - IO_INFOFRAME_ADDR = 0xf5, - IO_DPLL_ADDR = 0xf8, - IO_KSV_ADDR = 0xf9, - IO_EDID_ADDR = 0xfa, - IO_HDMI_ADDR = 0xfb, - IO_CP_ADDR = 0xfd, -}; - -int adv7611_i2c[] = CONFIG_SYS_ADV7611_I2C; - -int adv7611_probe(unsigned int screen) -{ - int old_bus = i2c_get_bus_num(); - unsigned int rd_info; - int res = 0; - - i2c_set_bus_num(adv7611_i2c[screen]); - - rd_info = (i2c_reg_read(IO_I2C_ADDR, IO_RD_INFO_MSB) << 8) - | i2c_reg_read(IO_I2C_ADDR, IO_RD_INFO_LSB); - - if (rd_info != ADV7611_RDINFO) { - res = -1; - goto out; - } - - /* - * set I2C addresses to default values - */ - i2c_reg_write(IO_I2C_ADDR, IO_CEC_ADDR, CEC_I2C_ADDR << 1); - i2c_reg_write(IO_I2C_ADDR, IO_INFOFRAME_ADDR, INFOFRAME_I2C_ADDR << 1); - i2c_reg_write(IO_I2C_ADDR, IO_DPLL_ADDR, DPLL_I2C_ADDR << 1); - i2c_reg_write(IO_I2C_ADDR, IO_KSV_ADDR, KSV_I2C_ADDR << 1); - i2c_reg_write(IO_I2C_ADDR, IO_EDID_ADDR, EDID_I2C_ADDR << 1); - i2c_reg_write(IO_I2C_ADDR, IO_HDMI_ADDR, HDMI_I2C_ADDR << 1); - i2c_reg_write(IO_I2C_ADDR, IO_CP_ADDR, CP_I2C_ADDR << 1); - - /* - * do magic initialization sequence from - * "ADV7611 Register Settings Recommendations Revision 1.5" - * with most registers undocumented - */ - i2c_reg_write(CP_I2C_ADDR, 0x6c, 0x00); - i2c_reg_write(HDMI_I2C_ADDR, 0x9b, 0x03); - i2c_reg_write(HDMI_I2C_ADDR, 0x6f, 0x08); - i2c_reg_write(HDMI_I2C_ADDR, 0x85, 0x1f); - i2c_reg_write(HDMI_I2C_ADDR, 0x87, 0x70); - i2c_reg_write(HDMI_I2C_ADDR, 0x57, 0xda); - i2c_reg_write(HDMI_I2C_ADDR, 0x58, 0x01); - i2c_reg_write(HDMI_I2C_ADDR, 0x03, 0x98); - i2c_reg_write(HDMI_I2C_ADDR, 0x4c, 0x44); - - /* - * IO_REG_02, default 0xf0 - * - * INP_COLOR_SPACE (IO, Address 0x02[7:4]) - * default: 0b1111 auto - * set to : 0b0001 force RGB (range 0 to 255) input - * - * RGB_OUT (IO, Address 0x02[1]) - * default: 0 YPbPr color space output - * set to : 1 RGB color space output - */ - i2c_reg_write(IO_I2C_ADDR, 0x02, 0x12); - - /* - * IO_REG_03, default 0x00 - * - * OP_FORMAT_SEL (IO, Address 0x03[7:0]) - * default: 0x00 8-bit SDR ITU-656 mode - * set to : 0x40 24-bit 4:4:4 SDR mode - */ - i2c_reg_write(IO_I2C_ADDR, 0x03, 0x40); - - /* - * IO_REG_05, default 0x2c - * - * AVCODE_INSERT_EN (IO, Address 0x05[2]) - * default: 1 insert AV codes into data stream - * set to : 0 do not insert AV codes into data stream - */ - i2c_reg_write(IO_I2C_ADDR, 0x05, 0x28); - - /* - * IO_REG_0C, default 0x62 - * - * POWER_DOWN (IO, Address 0x0C[5]) - * default: 1 chip is powered down - * set to : 0 chip is operational - */ - i2c_reg_write(IO_I2C_ADDR, 0x0c, 0x42); - - /* - * IO_REG_15, default 0xbe - * - * TRI_SYNCS (IO, Address 0x15[3) - * TRI_LLC (IO, Address 0x15[2]) - * TRI_PIX (IO, Address 0x15[1]) - * default: 1 video output pins are tristate - * set to : 0 video output pins are active - */ - i2c_reg_write(IO_I2C_ADDR, 0x15, 0xb0); - - /* - * HDMI_REGISTER_02H, default 0xff - * - * CLOCK_TERMA_DISABLE (HDMI, Address 0x83[0]) - * default: 1 disable termination - * set to : 0 enable termination - * Future options are: - * - use the chips automatic termination control - * - set this manually on cable detect - * but at the moment this seems a safe default. - */ - i2c_reg_write(HDMI_I2C_ADDR, 0x83, 0xfe); - - /* - * HDMI_CP_CNTRL_1, default 0x01 - * - * HDMI_FRUN_EN (CP, Address 0xBA[0]) - * default: 1 Enable the free run feature in HDMI mode - * set to : 0 Disable the free run feature in HDMI mode - */ - i2c_reg_write(CP_I2C_ADDR, 0xba, 0x00); - - /* - * INT1_CONFIGURATION, default 0x20 - * - * INTRQ_DUR_SEL[1:0] (IO, Address 0x40[7:6]) - * default: 00 Interrupt signal is active for 4 Xtal periods - * set to : 11 Active until cleared - * - * INTRQ_OP_SEL[1:0] (IO, Address 0x40[1:0]) - * default: 00 Open drain - * set to : 10 Drives high when active - */ - i2c_reg_write(IO_I2C_ADDR, 0x40, 0xc2); - -out: - i2c_set_bus_num(old_bus); - - return res; -} - -#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */ |