From 36677bcc6a000a4d6e635a9fff14fa79c0792b88 Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Mon, 8 May 2017 15:26:37 -0400 Subject: [PATCH 0391/4131] drm/amdgpu/display: Add i2c/aux support for DCN Implement support for i2c and aux on DCN. Signed-off-by: Harry Wentland Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c | 125 +++++++++++++++++++++ .../drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.h | 32 ++++++ 2 files changed, 157 insertions(+) create mode 100644 drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c create mode 100644 drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.h diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c b/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c new file mode 100644 index 0000000..9f17d2e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c @@ -0,0 +1,125 @@ +/* + * 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 + * + */ + +#include "dm_services.h" + +#include "include/i2caux_interface.h" +#include "../i2caux.h" +#include "../engine.h" +#include "../i2c_engine.h" +#include "../i2c_sw_engine.h" +#include "../i2c_hw_engine.h" + +#include "../dce110/aux_engine_dce110.h" +#include "../dce110/i2c_hw_engine_dce110.h" +#include "../dce110/i2caux_dce110.h" + +#include "raven1/DCN/dcn_1_0_offset.h" +#include "raven1/DCN/dcn_1_0_sh_mask.h" +#include "vega10/soc15ip.h" + +/* begin ********************* + * macros to expend register list macro defined in HW object header file */ + +#define BASE_INNER(seg) \ + DCE_BASE__INST0_SEG ## seg + +/* compile time expand base address. */ +#define BASE(seg) \ + BASE_INNER(seg) + +#define SR(reg_name)\ + .reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \ + mm ## reg_name + +#define SRI(reg_name, block, id)\ + .reg_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ + mm ## block ## id ## _ ## reg_name +/* macros to expend register list macro defined in HW object header file + * end *********************/ + +#define aux_regs(id)\ +[id] = {\ + AUX_COMMON_REG_LIST(id), \ + .AUX_RESET_MASK = DP_AUX0_AUX_CONTROL__AUX_RESET_MASK \ +} + +#define hw_engine_regs(id)\ +{\ + I2C_HW_ENGINE_COMMON_REG_LIST(id) \ +} + +static const struct dce110_aux_registers dcn10_aux_regs[] = { + aux_regs(0), + aux_regs(1), + aux_regs(2), + aux_regs(3), + aux_regs(4), + aux_regs(5), +}; + +static const struct dce110_i2c_hw_engine_registers dcn10_hw_engine_regs[] = { + hw_engine_regs(1), + hw_engine_regs(2), + hw_engine_regs(3), + hw_engine_regs(4), + hw_engine_regs(5), + hw_engine_regs(6) +}; + +static const struct dce110_i2c_hw_engine_shift i2c_shift = { + I2C_COMMON_MASK_SH_LIST_DCE110(__SHIFT) +}; + +static const struct dce110_i2c_hw_engine_mask i2c_mask = { + I2C_COMMON_MASK_SH_LIST_DCE110(_MASK) +}; + +struct i2caux *dal_i2caux_dcn10_create( + struct dc_context *ctx) +{ + struct i2caux_dce110 *i2caux_dce110 = + dm_alloc(sizeof(struct i2caux_dce110)); + + if (!i2caux_dce110) { + ASSERT_CRITICAL(false); + return NULL; + } + + if (dal_i2caux_dce110_construct( + i2caux_dce110, + ctx, + dcn10_aux_regs, + dcn10_hw_engine_regs, + &i2c_shift, + &i2c_mask)) + return &i2caux_dce110->base; + + ASSERT_CRITICAL(false); + + dm_free(i2caux_dce110); + + return NULL; +} diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.h b/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.h new file mode 100644 index 0000000..aeb4a86 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.h @@ -0,0 +1,32 @@ +/* + * 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_AUX_DCN10_H__ +#define __DAL_I2C_AUX_DCN10_H__ + +struct i2caux *dal_i2caux_dcn10_create( + struct dc_context *ctx); + +#endif /* __DAL_I2C_AUX_DCN10_H__ */ -- 2.7.4