/* SPDX-License-Identifier: MIT */ /* * Copyright © 2022 Intel Corporation #ifndef __INTEL_GMBUS_REGS_H__#define __INTEL_GMBUS_REGS_H__#include "intel_display_reg_defs.h" #define __GMBUS_MMIO_BASE(__display) ((__display)->gmbus.mmio_base)#define GPIO(__display, gpio) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x5010 + 4 * (gpio))#define GPIO_CLOCK_DIR_MASK (1 << 0)#define GPIO_CLOCK_DIR_IN (0 << 1)#define GPIO_CLOCK_DIR_OUT (1 << 1)#define GPIO_CLOCK_VAL_MASK (1 << 2)#define GPIO_CLOCK_VAL_OUT (1 << 3)#define GPIO_CLOCK_VAL_IN (1 << 4)#define GPIO_CLOCK_PULLUP_DISABLE (1 << 5)#define GPIO_DATA_DIR_MASK (1 << 8)#define GPIO_DATA_DIR_IN (0 << 9)#define GPIO_DATA_DIR_OUT (1 << 9)#define GPIO_DATA_VAL_MASK (1 << 10)#define GPIO_DATA_VAL_OUT (1 << 11)#define GPIO_DATA_VAL_IN (1 << 12)#define GPIO_DATA_PULLUP_DISABLE (1 << 13)/* clock/port select */ #define GMBUS0(__display) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x5100)#define GMBUS_AKSV_SELECT (1 << 11)#define GMBUS_RATE_100KHZ (0 << 8)#define GMBUS_RATE_50KHZ (1 << 8)#define GMBUS_RATE_400KHZ (2 << 8) /* reserved on Pineview */ #define GMBUS_RATE_1MHZ (3 << 8) /* reserved on Pineview */ #define GMBUS_HOLD_EXT (1 << 7) /* 300ns hold time, rsvd on Pineview */ #define GMBUS_BYTE_CNT_OVERRIDE (1 << 6)/* command/status */ #define GMBUS1(__display) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x5104)#define GMBUS_SW_CLR_INT (1 << 31)#define GMBUS_SW_RDY (1 << 30)#define GMBUS_ENT (1 << 29) /* enable timeout */ #define GMBUS_CYCLE_NONE (0 << 25)#define GMBUS_CYCLE_WAIT (1 << 25)#define GMBUS_CYCLE_INDEX (2 << 25)#define GMBUS_CYCLE_STOP (4 << 25)#define GMBUS_BYTE_COUNT_SHIFT 16#define GMBUS_BYTE_COUNT_MAX 256U#define GEN9_GMBUS_BYTE_COUNT_MAX 511U#define GMBUS_SLAVE_INDEX_SHIFT 8#define GMBUS_SLAVE_ADDR_SHIFT 1#define GMBUS_SLAVE_READ (1 << 0)#define GMBUS_SLAVE_WRITE (0 << 0)/* status */ #define GMBUS2(__display) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x5108)#define GMBUS_INUSE (1 << 15)#define GMBUS_HW_WAIT_PHASE (1 << 14)#define GMBUS_STALL_TIMEOUT (1 << 13)#define GMBUS_INT (1 << 12)#define GMBUS_HW_RDY (1 << 11)#define GMBUS_SATOER (1 << 10)#define GMBUS_ACTIVE (1 << 9)/* data buffer bytes 3-0 */ #define GMBUS3(__display) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x510c)/* interrupt mask (Pineview+) */ #define GMBUS4(__display) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x5110)#define GMBUS_SLAVE_TIMEOUT_EN (1 << 4)#define GMBUS_NAK_EN (1 << 3)#define GMBUS_IDLE_EN (1 << 2)#define GMBUS_HW_WAIT_EN (1 << 1)#define GMBUS_HW_RDY_EN (1 << 0)/* byte index */ #define GMBUS5(__display) _MMIO(__GMBUS_MMIO_BASE(__display) + 0x5120)#define GMBUS_2BYTE_INDEX_EN (1 << 31)#endif /* __INTEL_GMBUS_REGS_H__ */
Messung V0.5 C=95 H=93 G=93
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