diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h new file mode 100644 index 000000000000..5bb04085f670 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h @@ -0,0 +1,210 @@ +/* + * 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 |