From: Harry Wentland Date: Mon, 8 May 2017 19:21:44 +0000 (-0400) Subject: drm/amdgpu/display: Add gpio support for DCN X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=981ab3f1dc3949b45e317e343dfc232a102847aa;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu/display: Add gpio support for DCN GPIOs are used for i2c and other things. Signed-off-by: Harry Wentland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.c new file mode 100644 index 000000000000..409763c70ce5 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.c @@ -0,0 +1,192 @@ +/* + * Copyright 2013-15 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/gpio_types.h" +#include "../hw_factory.h" + + +#include "../hw_gpio.h" +#include "../hw_ddc.h" +#include "../hw_hpd.h" + +#include "hw_factory_dcn10.h" + +#include "raven1/DCN/dcn_1_0_offset.h" +#include "raven1/DCN/dcn_1_0_sh_mask.h" +#include "vega10/soc15ip.h" + +#define block HPD +#define reg_num 0 + +/* set field name */ +#define SF_HPD(reg_name, field_name, post_fix)\ + .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix + +#define BASE_INNER(seg) \ + DCE_BASE__INST0_SEG ## seg + +/* compile time expand base address. */ +#define BASE(seg) \ + BASE_INNER(seg) + +#define REG(reg_name)\ + BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name + +#define REGI(reg_name, block, id)\ + BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ + mm ## block ## id ## _ ## reg_name + +#include "reg_helper.h" +#include "../hpd_regs.h" + +#define hpd_regs(id) \ +{\ + HPD_REG_LIST(id)\ +} + +static const struct hpd_registers hpd_regs[] = { + hpd_regs(0), + hpd_regs(1), + hpd_regs(2), + hpd_regs(3), + hpd_regs(4), + hpd_regs(5) +}; + +static const struct hpd_sh_mask hpd_shift = { + HPD_MASK_SH_LIST(__SHIFT) +}; + +static const struct hpd_sh_mask hpd_mask = { + HPD_MASK_SH_LIST(_MASK) +}; + +#include "../ddc_regs.h" + + /* set field name */ +#define SF_DDC(reg_name, field_name, post_fix)\ + .field_name = reg_name ## __ ## field_name ## post_fix + +static const struct ddc_registers ddc_data_regs[] = { + ddc_data_regs(1), + ddc_data_regs(2), + ddc_data_regs(3), + ddc_data_regs(4), + ddc_data_regs(5), + ddc_data_regs(6), + ddc_vga_data_regs, + ddc_i2c_data_regs +}; + +static const struct ddc_registers ddc_clk_regs[] = { + ddc_clk_regs(1), + ddc_clk_regs(2), + ddc_clk_regs(3), + ddc_clk_regs(4), + ddc_clk_regs(5), + ddc_clk_regs(6), + ddc_vga_clk_regs, + ddc_i2c_clk_regs +}; + +static const struct ddc_sh_mask ddc_shift = { + DDC_MASK_SH_LIST(__SHIFT) +}; + +static const struct ddc_sh_mask ddc_mask = { + DDC_MASK_SH_LIST(_MASK) +}; + +static void define_ddc_registers( + struct hw_gpio_pin *pin, + uint32_t en) +{ + struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin); + + switch (pin->id) { + case GPIO_ID_DDC_DATA: + ddc->regs = &ddc_data_regs[en]; + ddc->base.regs = &ddc_data_regs[en].gpio; + break; + case GPIO_ID_DDC_CLOCK: + ddc->regs = &ddc_clk_regs[en]; + ddc->base.regs = &ddc_clk_regs[en].gpio; + break; + default: + ASSERT_CRITICAL(false); + return; + } + + ddc->shifts = &ddc_shift; + ddc->masks = &ddc_mask; + +} + +static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en) +{ + struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin); + + hpd->regs = &hpd_regs[en]; + hpd->shifts = &hpd_shift; + hpd->masks = &hpd_mask; + hpd->base.regs = &hpd_regs[en].gpio; +} + + +/* fucntion table */ +static const struct hw_factory_funcs funcs = { + .create_ddc_data = dal_hw_ddc_create, + .create_ddc_clock = dal_hw_ddc_create, + .create_generic = NULL, + .create_hpd = dal_hw_hpd_create, + .create_sync = NULL, + .create_gsl = NULL, + .define_hpd_registers = define_hpd_registers, + .define_ddc_registers = define_ddc_registers +}; +/* + * dal_hw_factory_dcn10_init + * + * @brief + * Initialize HW factory function pointers and pin info + * + * @param + * struct hw_factory *factory - [out] struct of function pointers + */ +void dal_hw_factory_dcn10_init(struct hw_factory *factory) +{ + /*TODO check ASIC CAPs*/ + factory->number_of_pins[GPIO_ID_DDC_DATA] = 8; + factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8; + factory->number_of_pins[GPIO_ID_GENERIC] = 7; + factory->number_of_pins[GPIO_ID_HPD] = 6; + factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31; + factory->number_of_pins[GPIO_ID_VIP_PAD] = 0; + factory->number_of_pins[GPIO_ID_SYNC] = 2; + factory->number_of_pins[GPIO_ID_GSL] = 4; + + factory->funcs = &funcs; +} diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.h b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.h new file mode 100644 index 000000000000..2cc7a585b1f8 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.h @@ -0,0 +1,32 @@ +/* + * Copyright 2013-15 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_HW_FACTORY_DCN10_H__ +#define __DAL_HW_FACTORY_DCN10_H__ + +/* Initialize HW factory function pointers and pin info */ +void dal_hw_factory_dcn10_init(struct hw_factory *factory); + +#endif /* __DAL_HW_FACTORY_DCN10_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.c new file mode 100644 index 000000000000..64a6915b846b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.c @@ -0,0 +1,408 @@ +/* + * Copyright 2013-15 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 + * + */ + +/* + * Pre-requisites: headers required by header of this unit + */ + +#include "hw_translate_dcn10.h" + +#include "dm_services.h" +#include "include/gpio_types.h" +#include "../hw_translate.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 REG(reg_name)\ + BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name + +#define REGI(reg_name, block, id)\ + 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 *********************/ + +static bool offset_to_id( + uint32_t offset, + uint32_t mask, + enum gpio_id *id, + uint32_t *en) +{ + switch (offset) { + /* GENERIC */ + case REG(DC_GPIO_GENERIC_A): + *id = GPIO_ID_GENERIC; + switch (mask) { + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK: + *en = GPIO_GENERIC_A; + return true; + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK: + *en = GPIO_GENERIC_B; + return true; + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK: + *en = GPIO_GENERIC_C; + return true; + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK: + *en = GPIO_GENERIC_D; + return true; + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK: + *en = GPIO_GENERIC_E; + return true; + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK: + *en = GPIO_GENERIC_F; + return true; + case DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK: + *en = GPIO_GENERIC_G; + return true; + default: + ASSERT_CRITICAL(false); + return false; + } + break; + /* HPD */ + case REG(DC_GPIO_HPD_A): + *id = GPIO_ID_HPD; + switch (mask) { + case DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK: + *en = GPIO_HPD_1; + return true; + case DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK: + *en = GPIO_HPD_2; + return true; + case DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK: + *en = GPIO_HPD_3; + return true; + case DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK: + *en = GPIO_HPD_4; + return true; + case DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK: + *en = GPIO_HPD_5; + return true; + case DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK: + *en = GPIO_HPD_6; + return true; + default: + ASSERT_CRITICAL(false); + return false; + } + break; + /* SYNCA */ + case REG(DC_GPIO_SYNCA_A): + *id = GPIO_ID_SYNC; + switch (mask) { + case DC_GPIO_SYNCA_A__DC_GPIO_HSYNCA_A_MASK: + *en = GPIO_SYNC_HSYNC_A; + return true; + case DC_GPIO_SYNCA_A__DC_GPIO_VSYNCA_A_MASK: + *en = GPIO_SYNC_VSYNC_A; + return true; + default: + ASSERT_CRITICAL(false); + return false; + } + break; + /* REG(DC_GPIO_GENLK_MASK */ + case REG(DC_GPIO_GENLK_A): + *id = GPIO_ID_GSL; + switch (mask) { + case DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK: + *en = GPIO_GSL_GENLOCK_CLOCK; + return true; + case DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK: + *en = GPIO_GSL_GENLOCK_VSYNC; + return true; + case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK: + *en = GPIO_GSL_SWAPLOCK_A; + return true; + case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK: + *en = GPIO_GSL_SWAPLOCK_B; + return true; + default: + ASSERT_CRITICAL(false); + return false; + } + break; + /* DDC */ + /* we don't care about the GPIO_ID for DDC + * in DdcHandle it will use GPIO_ID_DDC_DATA/GPIO_ID_DDC_CLOCK + * directly in the create method */ + case REG(DC_GPIO_DDC1_A): + *en = GPIO_DDC_LINE_DDC1; + return true; + case REG(DC_GPIO_DDC2_A): + *en = GPIO_DDC_LINE_DDC2; + return true; + case REG(DC_GPIO_DDC3_A): + *en = GPIO_DDC_LINE_DDC3; + return true; + case REG(DC_GPIO_DDC4_A): + *en = GPIO_DDC_LINE_DDC4; + return true; + case REG(DC_GPIO_DDC5_A): + *en = GPIO_DDC_LINE_DDC5; + return true; + case REG(DC_GPIO_DDC6_A): + *en = GPIO_DDC_LINE_DDC6; + return true; + case REG(DC_GPIO_DDCVGA_A): + *en = GPIO_DDC_LINE_DDC_VGA; + return true; + /* GPIO_I2CPAD */ + case REG(DC_GPIO_I2CPAD_A): + *en = GPIO_DDC_LINE_I2C_PAD; + return true; + /* Not implemented */ + case REG(DC_GPIO_PWRSEQ_A): + case REG(DC_GPIO_PAD_STRENGTH_1): + case REG(DC_GPIO_PAD_STRENGTH_2): + case REG(DC_GPIO_DEBUG): + return false; + /* UNEXPECTED */ + default: + ASSERT_CRITICAL(false); + return false; + } +} + +static bool id_to_offset( + enum gpio_id id, + uint32_t en, + struct gpio_pin_info *info) +{ + bool result = true; + + switch (id) { + case GPIO_ID_DDC_DATA: + info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6DATA_A_MASK; + switch (en) { + case GPIO_DDC_LINE_DDC1: + info->offset = REG(DC_GPIO_DDC1_A); + break; + case GPIO_DDC_LINE_DDC2: + info->offset = REG(DC_GPIO_DDC2_A); + break; + case GPIO_DDC_LINE_DDC3: + info->offset = REG(DC_GPIO_DDC3_A); + break; + case GPIO_DDC_LINE_DDC4: + info->offset = REG(DC_GPIO_DDC4_A); + break; + case GPIO_DDC_LINE_DDC5: + info->offset = REG(DC_GPIO_DDC5_A); + break; + case GPIO_DDC_LINE_DDC6: + info->offset = REG(DC_GPIO_DDC6_A); + break; + case GPIO_DDC_LINE_DDC_VGA: + info->offset = REG(DC_GPIO_DDCVGA_A); + break; + case GPIO_DDC_LINE_I2C_PAD: + info->offset = REG(DC_GPIO_I2CPAD_A); + break; + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_DDC_CLOCK: + info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6CLK_A_MASK; + switch (en) { + case GPIO_DDC_LINE_DDC1: + info->offset = REG(DC_GPIO_DDC1_A); + break; + case GPIO_DDC_LINE_DDC2: + info->offset = REG(DC_GPIO_DDC2_A); + break; + case GPIO_DDC_LINE_DDC3: + info->offset = REG(DC_GPIO_DDC3_A); + break; + case GPIO_DDC_LINE_DDC4: + info->offset = REG(DC_GPIO_DDC4_A); + break; + case GPIO_DDC_LINE_DDC5: + info->offset = REG(DC_GPIO_DDC5_A); + break; + case GPIO_DDC_LINE_DDC6: + info->offset = REG(DC_GPIO_DDC6_A); + break; + case GPIO_DDC_LINE_DDC_VGA: + info->offset = REG(DC_GPIO_DDCVGA_A); + break; + case GPIO_DDC_LINE_I2C_PAD: + info->offset = REG(DC_GPIO_I2CPAD_A); + break; + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_GENERIC: + info->offset = REG(DC_GPIO_GENERIC_A); + switch (en) { + case GPIO_GENERIC_A: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK; + break; + case GPIO_GENERIC_B: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK; + break; + case GPIO_GENERIC_C: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK; + break; + case GPIO_GENERIC_D: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK; + break; + case GPIO_GENERIC_E: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK; + break; + case GPIO_GENERIC_F: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK; + break; + case GPIO_GENERIC_G: + info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK; + break; + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_HPD: + info->offset = REG(DC_GPIO_HPD_A); + switch (en) { + case GPIO_HPD_1: + info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK; + break; + case GPIO_HPD_2: + info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK; + break; + case GPIO_HPD_3: + info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK; + break; + case GPIO_HPD_4: + info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK; + break; + case GPIO_HPD_5: + info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK; + break; + case GPIO_HPD_6: + info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK; + break; + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_SYNC: + switch (en) { + case GPIO_SYNC_HSYNC_A: + info->offset = REG(DC_GPIO_SYNCA_A); + info->mask = DC_GPIO_SYNCA_A__DC_GPIO_HSYNCA_A_MASK; + break; + case GPIO_SYNC_VSYNC_A: + info->offset = REG(DC_GPIO_SYNCA_A); + info->mask = DC_GPIO_SYNCA_A__DC_GPIO_VSYNCA_A_MASK; + break; + case GPIO_SYNC_HSYNC_B: + case GPIO_SYNC_VSYNC_B: + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_GSL: + switch (en) { + case GPIO_GSL_GENLOCK_CLOCK: + info->offset = REG(DC_GPIO_GENLK_A); + info->mask = DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK; + break; + case GPIO_GSL_GENLOCK_VSYNC: + info->offset = REG(DC_GPIO_GENLK_A); + info->mask = + DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK; + break; + case GPIO_GSL_SWAPLOCK_A: + info->offset = REG(DC_GPIO_GENLK_A); + info->mask = DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK; + break; + case GPIO_GSL_SWAPLOCK_B: + info->offset = REG(DC_GPIO_GENLK_A); + info->mask = DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK; + break; + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_VIP_PAD: + default: + ASSERT_CRITICAL(false); + result = false; + } + + if (result) { + info->offset_y = info->offset + 2; + info->offset_en = info->offset + 1; + info->offset_mask = info->offset - 1; + + info->mask_y = info->mask; + info->mask_en = info->mask; + info->mask_mask = info->mask; + } + + return result; +} + +/* function table */ +static const struct hw_translate_funcs funcs = { + .offset_to_id = offset_to_id, + .id_to_offset = id_to_offset, +}; + +/* + * dal_hw_translate_dcn10_init + * + * @brief + * Initialize Hw translate function pointers. + * + * @param + * struct hw_translate *tr - [out] struct of function pointers + * + */ +void dal_hw_translate_dcn10_init(struct hw_translate *tr) +{ + tr->funcs = &funcs; +} diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.h b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.h new file mode 100644 index 000000000000..9edef53c80a0 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.h @@ -0,0 +1,34 @@ +/* + * Copyright 2013-15 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_HW_TRANSLATE_DCN10_H__ +#define __DAL_HW_TRANSLATE_DCN10_H__ + +struct hw_translate; + +/* Initialize Hw translate function pointers */ +void dal_hw_translate_dcn10_init(struct hw_translate *tr); + +#endif /* __DAL_HW_TRANSLATE_DCN10_H__ */