/* * Copyright 2012-15 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #ifndef __DAL_I2C_HW_ENGINE_DCE110_H__ #define __DAL_I2C_HW_ENGINE_DCE110_H__ #define I2C_HW_ENGINE_COMMON_REG_LIST(id)\ SRI(SETUP, DC_I2C_DDC, id),\ SRI(SPEED, DC_I2C_DDC, id),\ SR(DC_I2C_ARBITRATION),\ SR(DC_I2C_CONTROL),\ SR(DC_I2C_SW_STATUS),\ SR(DC_I2C_TRANSACTION0),\ SR(DC_I2C_TRANSACTION1),\ SR(DC_I2C_TRANSACTION2),\ SR(DC_I2C_TRANSACTION3),\ SR(DC_I2C_DATA),\ SR(MICROSECOND_TIME_BASE_DIV) #define I2C_SF(reg_name, field_name, post_fix)\ .field_name = reg_name ## __ ## field_name ## post_fix #define I2C_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh)\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_ENABLE, mask_sh),\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_TIME_LIMIT, mask_sh),\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_DATA_DRIVE_EN, mask_sh),\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_CLK_DRIVE_EN, mask_sh),\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_DATA_DRIVE_SEL, mask_sh),\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_INTRA_TRANSACTION_DELAY, mask_sh),\ I2C_SF(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_INTRA_BYTE_DELAY, mask_sh),\ I2C_SF(DC_I2C_ARBITRATION, DC_I2C_SW_DONE_USING_I2C_REG, mask_sh),\ I2C_SF(DC_I2C_ARBITRATION, DC_I2C_NO_QUEUED_SW_GO, mask_sh),\ I2C_SF(DC_I2C_ARBITRATION, DC_I2C_SW_PRIORITY, mask_sh),\ I2C_SF(DC_I2C_CONTROL, DC_I2C_SOFT_RESET, mask_sh),\ I2C_SF(DC_I2C_CONTROL, DC_I2C_SW_STATUS_RESET, mask_sh),\ I2C_SF(DC_I2C_CONTROL, DC_I2C_GO, mask_sh),\ I2C_SF(DC_I2C_CONTROL, DC_I2C_SEND_RESET, mask_sh),\ I2C_SF(DC_I2C_CONTROL, DC_I2C_TRANSACTION_COUNT, mask_sh),\ I2C_SF(DC_I2C_CONTROL, DC_I2C_DDC_SELECT, mask_sh),\ I2C_SF(DC_I2C_DDC1_SPEED, DC_I2C_DDC1_PRESCALE, mask_sh),\ I2C_SF(DC_I2C_DDC1_SPEED, DC_I2C_DDC1_THRESHOLD, mask_sh),\ I2C_SF(DC_I2C_SW_STATUS, DC_I2C_SW_STOPPED_ON_NACK, mask_sh),\ I2C_SF(DC_I2C_SW_STATUS, DC_I2C_SW_TIMEOUT, mask_sh),\ I2C_SF(DC_I2C_SW_STATUS, DC_I2C_SW_ABORTED, mask_sh),\ I2C_SF(DC_I2C_SW_STATUS, DC_I2C_SW_DONE, mask_sh),\ I2C_SF(DC_I2C_SW_STATUS, DC_I2C_SW_STATUS, mask_sh),\ I2C_SF(DC_I2C_TRANSACTION0, DC_I2C_STOP_ON_NACK0, mask_sh),\ I2C_SF(DC_I2C_TRANSACTION0, DC_I2C_START0, mask_sh),\ I2C_SF(DC_I2C_TRANSACTION0, DC_I2C_RW0, mask_sh),\ I2C_SF(DC_I2C_TRANSACTION0, DC_I2C_STOP0, mask_sh),\ I2C_SF(DC_I2C_TRANSACTION0, DC_I2C_COUNT0, mask_sh),\ I2C_SF(DC_I2C_DATA, DC_I2C_DATA_RW, mask_sh),\ I2C_SF(DC_I2C_DATA, DC_I2C_DATA, mask_sh),\ I2C_SF(DC_I2C_DATA, DC_I2C_INDEX, mask_sh),\ I2C_SF(DC_I2C_DATA, DC_I2C_INDEX_WRITE, mask_sh),\ I2C_SF(MICROSECOND_TIME_BASE_DIV, XTAL_REF_DIV, mask_sh) #define I2C_COMMON_MASK_SH_LIST_DCE100(mask_sh)\ I2C_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) #define I2C_COMMON_MASK_SH_LIST_DCE110(mask_sh)\ I2C_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh),\ I2C_SF(DC_I2C_DDC1_SPEED, DC_I2C_DDC1_START_STOP_TIMING_CNTL, mask_sh) struct dce110_i2c_hw_engine_shift { uint8_t DC_I2C_DDC1_ENABLE; uint8_t DC_I2C_DDC1_TIME_LIMIT; uint8_t DC_I2C_DDC1_DATA_DRIVE_EN; uint8_t DC_I2C_DDC1_CLK_DRIVE_EN; uint8_t DC_I2C_DDC1_DATA_DRIVE_SEL; uint8_t DC_I2C_DDC1_INTRA_TRANSACTION_DELAY; uint8_t DC_I2C_DDC1_INTRA_BYTE_DELAY; uint8_t DC_I2C_SW_DONE_USING_I2C_REG; uint8_t DC_I2C_NO_QUEUED_SW_GO; uint8_t DC_I2C_SW_PRIORITY; uint8_t DC_I2C_SOFT_RESET; uint8_t DC_I2C_SW_STATUS_RESET; uint8_t DC_I2C_GO; uint8_t DC_I2C_SEND_RESET; uint8_t DC_I2C_TRANSACTION_COUNT; uint8_t DC_I2C_DDC_SELECT; uint8_t DC_I2C_DDC1_PRESCALE; uint8_t DC_I2C_DDC1_THRESHOLD; uint8_t DC_I2C_DDC1_START_STOP_TIMING_CNTL; uint8_t DC_I2C_SW_STOPPED_ON_NACK; uint8_t DC_I2C_SW_TIMEOUT; uint8_t DC_I2C_SW_ABORTED; uint8_t DC_I2C_SW_DONE; uint8_t DC_I2C_SW_STATUS; uint8_t DC_I2C_STOP_ON_NACK0; uint8_t DC_I2C_START0; uint8_t DC_I2C_RW0; uint8_t DC_I2C_STOP0; uint8_t DC_I2C_COUNT0; uint8_t DC_I2C_DATA_RW; uint8_t DC_I2C_DATA; uint8_t DC_I2C_INDEX; uint8_t DC_I2C_INDEX_WRITE; uint8_t XTAL_REF_DIV; }; struct dce110_i2c_hw_engine_mask { uint32_t DC_I2C_DDC1_ENABLE; uint32_t DC_I2C_DDC1_TIME_LIMIT; uint32_t DC_I2C_DDC1_DATA_DRIVE_EN; uint32_t DC_I2C_DDC1_CLK_DRIVE_EN; uint32_t DC_I2C_DDC1_DATA_DRIVE_SEL; uint32_t DC_I2C_DDC1_INTRA_TRANSACTION_DELAY; uint32_t DC_I2C_DDC1_INTRA_BYTE_DELAY; uint32_t DC_I2C_SW_DONE_USING_I2C_REG; uint32_t DC_I2C_NO_QUEUED_SW_GO; uint32_t DC_I2C_SW_PRIORITY; uint32_t DC_I2C_SOFT_RESET; uint32_t DC_I2C_SW_STATUS_RESET; uint32_t DC_I2C_GO; uint32_t DC_I2C_SEND_RESET; uint32_t DC_I2C_TRANSACTION_COUNT; uint32_t DC_I2C_DDC_SELECT; uint32_t DC_I2C_DDC1_PRESCALE; uint32_t DC_I2C_DDC1_THRESHOLD; uint32_t DC_I2C_DDC1_START_STOP_TIMING_CNTL; uint32_t DC_I2C_SW_STOPPED_ON_NACK; uint32_t DC_I2C_SW_TIMEOUT; uint32_t DC_I2C_SW_ABORTED; uint32_t DC_I2C_SW_DONE; uint32_t DC_I2C_SW_STATUS; uint32_t DC_I2C_STOP_ON_NACK0; uint32_t DC_I2C_START0; uint32_t DC_I2C_RW0; uint32_t DC_I2C_STOP0; uint32_t DC_I2C_COUNT0; uint32_t DC_I2C_DATA_RW; uint32_t DC_I2C_DATA; uint32_t DC_I2C_INDEX; uint32_t DC_I2C_INDEX_WRITE; uint32_t XTAL_REF_DIV; }; struct dce110_i2c_hw_engine_registers { uint32_t SETUP; uint32_t SPEED; uint32_t DC_I2C_ARBITRATION; uint32_t DC_I2C_CONTROL; uint32_t DC_I2C_SW_STATUS; uint32_t DC_I2C_TRANSACTION0; uint32_t DC_I2C_TRANSACTION1; uint32_t DC_I2C_TRANSACTION2; uint32_t DC_I2C_TRANSACTION3; uint32_t DC_I2C_DATA; uint32_t MICROSECOND_TIME_BASE_DIV; }; struct i2c_hw_engine_dce110 { struct i2c_hw_engine base; const struct dce110_i2c_hw_engine_registers *regs; const struct dce110_i2c_hw_engine_shift *i2c_shift; const struct dce110_i2c_hw_engine_mask *i2c_mask; struct { uint32_t DC_I2C_DDCX_SETUP; uint32_t DC_I2C_DDCX_SPEED; } addr; uint32_t engine_id; /* expressed in kilohertz */ uint32_t reference_frequency; /* number of bytes currently used in HW buffer */ uint32_t buffer_used_bytes; /* number of bytes used for write transaction in HW buffer * - this will be used as the index to read from*/ uint32_t buffer_used_write; /* number of pending transactions (before GO) */ uint32_t transaction_count; uint32_t engine_keep_power_up_count; }; struct i2c_hw_engine_dce110_create_arg { uint32_t engine_id; uint32_t reference_frequency; uint32_t default_speed; struct dc_context *ctx; const struct dce110_i2c_hw_engine_registers *regs; const struct dce110_i2c_hw_engine_shift *i2c_shift; const struct dce110_i2c_hw_engine_mask *i2c_mask; }; struct i2c_engine *dal_i2c_hw_engine_dce110_create( const struct i2c_hw_engine_dce110_create_arg *arg); #endif