diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_translate_dce110.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_translate_dce110.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_translate_dce110.c b/drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_translate_dce110.c new file mode 100644 index 000000000000..ac4cddbba815 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_translate_dce110.c @@ -0,0 +1,387 @@ +/* + * 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 "dm_services.h" +#include "include/gpio_types.h" +#include "../hw_translate.h" + +#include "hw_translate_dce110.h" + +#include "dce/dce_11_0_d.h" +#include "dce/dce_11_0_sh_mask.h" + +static bool offset_to_id( + uint32_t offset, + uint32_t mask, + enum gpio_id *id, + uint32_t *en) +{ + switch (offset) { + /* GENERIC */ + case mmDC_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 mmDC_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 mmDC_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; + /* mmDC_GPIO_GENLK_MASK */ + case mmDC_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 mmDC_GPIO_DDC1_A: + *en = GPIO_DDC_LINE_DDC1; + return true; + case mmDC_GPIO_DDC2_A: + *en = GPIO_DDC_LINE_DDC2; + return true; + case mmDC_GPIO_DDC3_A: + *en = GPIO_DDC_LINE_DDC3; + return true; + case mmDC_GPIO_DDC4_A: + *en = GPIO_DDC_LINE_DDC4; + return true; + case mmDC_GPIO_DDC5_A: + *en = GPIO_DDC_LINE_DDC5; + return true; + case mmDC_GPIO_DDC6_A: + *en = GPIO_DDC_LINE_DDC6; + return true; + case mmDC_GPIO_DDCVGA_A: + *en = GPIO_DDC_LINE_DDC_VGA; + return true; + /* GPIO_I2CPAD */ + case mmDC_GPIO_I2CPAD_A: + *en = GPIO_DDC_LINE_I2C_PAD; + return true; + /* Not implemented */ + case mmDC_GPIO_PWRSEQ_A: + case mmDC_GPIO_PAD_STRENGTH_1: + case mmDC_GPIO_PAD_STRENGTH_2: + case mmDC_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 = mmDC_GPIO_DDC1_A; + break; + case GPIO_DDC_LINE_DDC2: + info->offset = mmDC_GPIO_DDC2_A; + break; + case GPIO_DDC_LINE_DDC3: + info->offset = mmDC_GPIO_DDC3_A; + break; + case GPIO_DDC_LINE_DDC4: + info->offset = mmDC_GPIO_DDC4_A; + break; + case GPIO_DDC_LINE_DDC5: + info->offset = mmDC_GPIO_DDC5_A; + break; + case GPIO_DDC_LINE_DDC6: + info->offset = mmDC_GPIO_DDC6_A; + break; + case GPIO_DDC_LINE_DDC_VGA: + info->offset = mmDC_GPIO_DDCVGA_A; + break; + case GPIO_DDC_LINE_I2C_PAD: + info->offset = mmDC_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 = mmDC_GPIO_DDC1_A; + break; + case GPIO_DDC_LINE_DDC2: + info->offset = mmDC_GPIO_DDC2_A; + break; + case GPIO_DDC_LINE_DDC3: + info->offset = mmDC_GPIO_DDC3_A; + break; + case GPIO_DDC_LINE_DDC4: + info->offset = mmDC_GPIO_DDC4_A; + break; + case GPIO_DDC_LINE_DDC5: + info->offset = mmDC_GPIO_DDC5_A; + break; + case GPIO_DDC_LINE_DDC6: + info->offset = mmDC_GPIO_DDC6_A; + break; + case GPIO_DDC_LINE_DDC_VGA: + info->offset = mmDC_GPIO_DDCVGA_A; + break; + case GPIO_DDC_LINE_I2C_PAD: + info->offset = mmDC_GPIO_I2CPAD_A; + break; + default: + ASSERT_CRITICAL(false); + result = false; + } + break; + case GPIO_ID_GENERIC: + info->offset = mmDC_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 = mmDC_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 = mmDC_GPIO_SYNCA_A; + info->mask = DC_GPIO_SYNCA_A__DC_GPIO_HSYNCA_A_MASK; + break; + case GPIO_SYNC_VSYNC_A: + info->offset = mmDC_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 = mmDC_GPIO_GENLK_A; + info->mask = DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK; + break; + case GPIO_GSL_GENLOCK_VSYNC: + info->offset = mmDC_GPIO_GENLK_A; + info->mask = + DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK; + break; + case GPIO_GSL_SWAPLOCK_A: + info->offset = mmDC_GPIO_GENLK_A; + info->mask = DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK; + break; + case GPIO_GSL_SWAPLOCK_B: + info->offset = mmDC_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_dce110_init + * + * @brief + * Initialize Hw translate function pointers. + * + * @param + * struct hw_translate *tr - [out] struct of function pointers + * + */ +void dal_hw_translate_dce110_init(struct hw_translate *tr) +{ + tr->funcs = &funcs; +} |