| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/platform/bus.h> |
| #include <soc/aml-s905d2/s905d2-gpio.h> |
| #include <soc/aml-s905d2/s905d2-hiu.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| |
| #include <limits.h> |
| #include "astro.h" |
| |
| //clang-format off |
| static const pbus_gpio_t audio_gpios[] = { |
| { |
| // AUDIO_SOC_FAULT_L |
| .gpio = S905D2_GPIOA(4), |
| }, |
| { |
| // SOC_AUDIO_EN |
| .gpio = S905D2_GPIOA(5), |
| }, |
| }; |
| |
| |
| static const pbus_mmio_t audio_mmios[] = { |
| { |
| .base = S905D2_EE_AUDIO_BASE, |
| .length = S905D2_EE_AUDIO_LENGTH |
| }, |
| }; |
| |
| static const pbus_bti_t tdm_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_AUDIO_OUT, |
| }, |
| }; |
| |
| static const pbus_i2c_channel_t codec_i2c[] = { |
| { |
| .bus_id = 2, |
| .address = 0x48, |
| }, |
| }; |
| |
| static pbus_dev_t aml_tdm_dev = { |
| .name = "AstroAudio", |
| .vid = PDEV_VID_AMLOGIC, |
| .pid = PDEV_PID_AMLOGIC_S905D2, |
| .did = PDEV_DID_AMLOGIC_TDM, |
| .gpio_list = audio_gpios, |
| .gpio_count = countof(audio_gpios), |
| .i2c_channel_list = codec_i2c, |
| .i2c_channel_count = countof(codec_i2c), |
| .mmio_list = audio_mmios, |
| .mmio_count = countof(audio_mmios), |
| .bti_list = tdm_btis, |
| .bti_count = countof(tdm_btis), |
| }; |
| |
| //PDM input configurations |
| static const pbus_mmio_t pdm_mmios[] = { |
| { |
| .base = S905D2_EE_PDM_BASE, |
| .length = S905D2_EE_PDM_LENGTH |
| }, |
| { |
| .base = S905D2_EE_AUDIO_BASE, |
| .length = S905D2_EE_AUDIO_LENGTH |
| }, |
| }; |
| |
| static const pbus_bti_t pdm_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_AUDIO_IN, |
| }, |
| }; |
| |
| static const pbus_dev_t aml_pdm_dev = { |
| .name = "gauss-audio-in", |
| .vid = PDEV_VID_AMLOGIC, |
| .pid = PDEV_PID_AMLOGIC_S905D2, |
| .did = PDEV_DID_ASTRO_PDM, |
| .mmio_list = pdm_mmios, |
| .mmio_count = countof(pdm_mmios), |
| .bti_list = pdm_btis, |
| .bti_count = countof(pdm_btis), |
| }; |
| |
| //clang-format on |
| |
| zx_status_t astro_tdm_init(aml_bus_t* bus) { |
| |
| aml_hiu_dev_t hiu; |
| zx_status_t status = s905d2_hiu_init(&hiu); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "hiu_init: failed: %d\n", status); |
| return status; |
| } |
| |
| aml_pll_dev_t hifi_pll; |
| s905d2_pll_init(&hiu, &hifi_pll, HIFI_PLL); |
| status = s905d2_pll_set_rate(&hifi_pll, 1536000000); |
| if (status != ZX_OK) { |
| zxlogf(ERROR,"Invalid rate selected for hifipll\n"); |
| return status; |
| } |
| |
| s905d2_pll_ena(&hifi_pll); |
| |
| // TDM pin assignments |
| gpio_impl_set_alt_function(&bus->gpio, S905D2_GPIOA(1), S905D2_GPIOA_1_TDMB_SCLK_FN); |
| gpio_impl_set_alt_function(&bus->gpio, S905D2_GPIOA(2), S905D2_GPIOA_2_TDMB_FS_FN); |
| gpio_impl_set_alt_function(&bus->gpio, S905D2_GPIOA(3), S905D2_GPIOA_3_TDMB_D0_FN); |
| gpio_impl_set_alt_function(&bus->gpio, S905D2_GPIOA(6), S905D2_GPIOA_6_TDMB_DIN3_FN); |
| |
| // PDM pin assignments |
| gpio_impl_set_alt_function(&bus->gpio, S905D2_GPIOA(7), S905D2_GPIOA_7_PDM_DCLK_FN); |
| gpio_impl_set_alt_function(&bus->gpio, S905D2_GPIOA(8), S905D2_GPIOA_8_PDM_DIN0_FN); |
| |
| gpio_impl_config_out(&bus->gpio, S905D2_GPIOA(5), 1); |
| |
| status = pbus_device_add(&bus->pbus, &aml_tdm_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "astro_tdm_init: pbus_device_add failed: %d\n", status); |
| return status; |
| } |
| |
| status = pbus_device_add(&bus->pbus, &aml_pdm_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "astro_tdm_init: pbus_device_add failed: %d\n", status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |