| // Copyright 2017 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/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/platform-defs.h> |
| #include <hw/reg.h> |
| #include <soc/aml-a113/a113-hw.h> |
| #include <soc/aml-a113/aml-tdm.h> |
| #include <zircon/assert.h> |
| #include <limits.h> |
| |
| #include "gauss.h" |
| |
| #define PDM_MMIO_BASE 0xff632000 |
| #define EE_AUDIO_MMIO_BASE 0xff642000 |
| #define PDM_IRQ (85 + 32) |
| |
| static const pbus_mmio_t audio_in_mmios[] = { |
| { |
| .base = EE_AUDIO_MMIO_BASE, .length = PAGE_SIZE, |
| }, |
| { |
| .base = PDM_MMIO_BASE, .length = PAGE_SIZE, |
| }, |
| }; |
| |
| static const pbus_irq_t audio_in_irqs[] = { |
| { |
| .irq = PDM_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_bti_t audio_in_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_AUDIO_IN, |
| }, |
| }; |
| |
| static const pbus_dev_t gauss_audio_in_dev = { |
| .name = "gauss-audio-in", |
| .vid = PDEV_VID_GOOGLE, |
| .pid = PDEV_PID_GAUSS, |
| .did = PDEV_DID_GAUSS_AUDIO_IN, |
| .mmio_list = audio_in_mmios, |
| .mmio_count = countof(audio_in_mmios), |
| .irq_list = audio_in_irqs, |
| .irq_count = countof(audio_in_irqs), |
| .bti_list = audio_in_btis, |
| .bti_count = countof(audio_in_btis), |
| }; |
| |
| static const pbus_mmio_t tdm_audio_mmios[] = { |
| { |
| .base = A113_TDM_PHYS_BASE, |
| .length = 4096 |
| }, |
| }; |
| |
| static const pbus_irq_t tdm_irqs[] = { |
| { |
| .irq = (90 + 32), |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_bti_t tdm_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_AUDIO_OUT, |
| }, |
| }; |
| |
| static const pbus_dev_t gauss_tdm_audio_dev = { |
| .name = "gauss-tdm-audio", |
| .vid = PDEV_VID_GOOGLE, |
| .pid = PDEV_PID_GAUSS, |
| .did = PDEV_DID_GAUSS_AUDIO_OUT, |
| .irq_list = tdm_irqs, |
| .irq_count = countof(tdm_irqs), |
| .mmio_list = tdm_audio_mmios, |
| .mmio_count = countof(tdm_audio_mmios), |
| .bti_list = tdm_btis, |
| .bti_count = countof(tdm_btis), |
| }; |
| |
| const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| const zx_bind_inst_t i2c_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_I2C), |
| BI_ABORT_IF(NE, BIND_I2C_BUS_ID, AML_I2C_B), |
| BI_MATCH_IF(EQ, BIND_I2C_ADDRESS, 0x4C), |
| }; |
| const device_component_part_t i2c_component[] = { |
| { countof(root_match), root_match }, |
| { countof(i2c_match), i2c_match }, |
| }; |
| const device_component_t components[] = { |
| { countof(i2c_component), i2c_component }, |
| }; |
| |
| zx_status_t gauss_audio_init(gauss_bus_t* bus) { |
| |
| ZX_DEBUG_ASSERT(bus); |
| zx_status_t status; |
| |
| // Add audio in and out devices. |
| if ((status = pbus_device_add(&bus->pbus, &gauss_audio_in_dev)) != ZX_OK) { |
| zxlogf(ERROR, "a113_audio_init could not add gauss_audio_in_dev: %d\n", status); |
| return status; |
| } |
| |
| printf("Adding the tdm device\n"); |
| if ((status = pbus_composite_device_add(&bus->pbus, &gauss_tdm_audio_dev, components, |
| countof(components), UINT32_MAX)) != ZX_OK) { |
| zxlogf(ERROR, "a113_audio_init could not add gauss_tdm_audio_dev: %d\n", status); |
| } |
| |
| return ZX_OK; |
| } |