| // 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 <fuchsia/hardware/platform/bus/c/banjo.h> |
| #include <fuchsia/hardware/scpi/c/banjo.h> |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/platform-defs.h> |
| #include <fbl/algorithm.h> |
| #include <soc/aml-common/aml-thermal.h> |
| #include <soc/aml-s912/s912-gpio.h> |
| #include <soc/aml-s912/s912-hw.h> |
| |
| #include "vim-gpios.h" |
| #include "vim.h" |
| |
| namespace vim { |
| |
| static const pbus_mmio_t mailbox_mmios[] = { |
| // Mailbox |
| { |
| .base = S912_HIU_MAILBOX_BASE, |
| .length = S912_HIU_MAILBOX_LENGTH, |
| }, |
| // Mailbox Payload |
| { |
| .base = S912_MAILBOX_PAYLOAD_BASE, |
| .length = S912_MAILBOX_PAYLOAD_LENGTH, |
| }, |
| }; |
| |
| // IRQ for Mailbox |
| static const pbus_irq_t mailbox_irqs[] = { |
| {.irq = S912_MBOX_IRQ_RECEIV0, .mode = ZX_INTERRUPT_MODE_EDGE_HIGH}, |
| {.irq = S912_MBOX_IRQ_RECEIV1, .mode = ZX_INTERRUPT_MODE_EDGE_HIGH}, |
| {.irq = S912_MBOX_IRQ_RECEIV2, .mode = ZX_INTERRUPT_MODE_EDGE_HIGH}, |
| {.irq = S912_MBOX_IRQ_SEND3, .mode = ZX_INTERRUPT_MODE_EDGE_HIGH}, |
| {.irq = S912_MBOX_IRQ_SEND4, .mode = ZX_INTERRUPT_MODE_EDGE_HIGH}, |
| {.irq = S912_MBOX_IRQ_SEND5, .mode = ZX_INTERRUPT_MODE_EDGE_HIGH}, |
| }; |
| |
| /* ACTIVE COOLING - For VIM2, we assume that all devices |
| * are connected with a GPIO-controlled fan. |
| * The GPIO controlled fan has 3 levels of speed (1-3) |
| * |
| * PASSIVE COOLING - For VIM2, we have DVFS support added |
| * Below is the operating point information for Big cluster |
| * Operating point 0 - Freq 0.1000 Ghz Voltage 0.9100 V |
| * Operating point 1 - Freq 0.2500 Ghz Voltage 0.9100 V |
| * Operating point 2 - Freq 0.5000 Ghz Voltage 0.9100 V |
| * Operating point 3 - Freq 0.6670 Ghz Voltage 0.9500 V |
| * Operating point 4 - Freq 1.0000 Ghz Voltage 0.9900 V |
| * Operating point 5 - Freq 1.2000 Ghz Voltage 1.0700 V |
| * Operating point 6 - Freq 1.2960 Ghz Voltage 1.1000 V |
| * |
| * Below is the operating point information for Little cluster |
| * Operating point 0 - Freq 0.1000 Ghz Voltage 0.9100 V |
| * Operating point 1 - Freq 0.2500 Ghz Voltage 0.9100 V |
| * Operating point 2 - Freq 0.5000 Ghz Voltage 0.9100 V |
| * Operating point 3 - Freq 0.6670 Ghz Voltage 0.9500 V |
| * Operating point 4 - Freq 1.0000 Ghz Voltage 0.9900 V |
| * |
| * GPU_CLK_FREQUENCY_SOURCE - For VIM2, we support GPU |
| * throttling. Currently we have pre-defined frequencies |
| * we can set the GPU clock to, but we can always add more |
| * One's we support now are below |
| * Operating point 0 - 285.7 MHz |
| * Operating point 1 - 400.0 MHz |
| * Operating point 2 - 500.0 MHz |
| * Operating point 3 - 666.0 MHz |
| * Operating point -1 - INVALID/No throttling needed |
| */ |
| |
| static fuchsia_hardware_thermal_ThermalDeviceInfo aml_vim2_config = { |
| .active_cooling = true, |
| .passive_cooling = true, |
| .gpu_throttling = true, |
| .num_trip_points = 8, |
| .big_little = true, |
| .critical_temp_celsius = 81.0f, |
| .trip_point_info = |
| { |
| { |
| // This is the initial thermal setup of the device |
| // Fan set to OFF |
| // CPU freq set to a known stable MAX |
| |
| // c++ initialization error |
| .up_temp_celsius = 2.0f, |
| .down_temp_celsius = 0.0f, |
| // c++ initialization error |
| .fan_level = 0, |
| .big_cluster_dvfs_opp = 6, |
| .little_cluster_dvfs_opp = 4, |
| .gpu_clk_freq_source = 3, |
| }, |
| { |
| .up_temp_celsius = 65.0f, |
| .down_temp_celsius = 63.0f, |
| .fan_level = 1, |
| .big_cluster_dvfs_opp = 6, |
| .little_cluster_dvfs_opp = 4, |
| .gpu_clk_freq_source = 3, |
| }, |
| { |
| .up_temp_celsius = 70.0f, |
| .down_temp_celsius = 68.0f, |
| .fan_level = 2, |
| .big_cluster_dvfs_opp = 6, |
| .little_cluster_dvfs_opp = 4, |
| .gpu_clk_freq_source = 3, |
| }, |
| { |
| .up_temp_celsius = 75.0f, |
| .down_temp_celsius = 73.0f, |
| .fan_level = 3, |
| .big_cluster_dvfs_opp = 6, |
| .little_cluster_dvfs_opp = 4, |
| .gpu_clk_freq_source = 3, |
| }, |
| { |
| .up_temp_celsius = 82.0f, |
| .down_temp_celsius = 79.0f, |
| .fan_level = 3, |
| .big_cluster_dvfs_opp = 5, |
| .little_cluster_dvfs_opp = 4, |
| .gpu_clk_freq_source = 2, |
| }, |
| { |
| .up_temp_celsius = 87.0f, |
| .down_temp_celsius = 84.0f, |
| .fan_level = 3, |
| .big_cluster_dvfs_opp = 4, |
| .little_cluster_dvfs_opp = 4, |
| .gpu_clk_freq_source = 2, |
| }, |
| { |
| .up_temp_celsius = 92.0f, |
| .down_temp_celsius = 89.0f, |
| .fan_level = 3, |
| .big_cluster_dvfs_opp = 3, |
| .little_cluster_dvfs_opp = 3, |
| .gpu_clk_freq_source = 1, |
| }, |
| { |
| .up_temp_celsius = 96.0f, |
| .down_temp_celsius = 93.0f, |
| .fan_level = 3, |
| .big_cluster_dvfs_opp = 2, |
| .little_cluster_dvfs_opp = 2, |
| .gpu_clk_freq_source = 0, |
| }, |
| }, |
| .opps = {}, |
| }; |
| |
| static const pbus_metadata_t vim_thermal_metadata[] = {{ |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data_buffer = &aml_vim2_config, |
| .data_size = sizeof(aml_vim2_config), |
| }}; |
| |
| // Composite binding rules for thermal driver. |
| static const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| static const zx_bind_inst_t scpi_match[] = { |
| BI_ABORT_IF(NE, BIND_PLATFORM_DEV_VID, PDEV_VID_AMLOGIC), |
| BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_DID, PDEV_DID_AMLOGIC_SCPI), |
| }; |
| static const zx_bind_inst_t fan0_gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_THERMAL_FAN_O), |
| }; |
| static const zx_bind_inst_t fan1_gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_THERMAL_FAN_1), |
| }; |
| static const device_fragment_part_t scpi_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(scpi_match), scpi_match}, |
| }; |
| static const device_fragment_part_t fan0_gpio_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(fan0_gpio_match), fan0_gpio_match}, |
| }; |
| static const device_fragment_part_t fan1_gpio_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(fan1_gpio_match), fan1_gpio_match}, |
| }; |
| static const device_fragment_t fragments[] = { |
| {"scpi", std::size(scpi_fragment), scpi_fragment}, |
| {"gpio-fan-0", std::size(fan0_gpio_fragment), fan0_gpio_fragment}, |
| {"gpio-fan-1", std::size(fan1_gpio_fragment), fan1_gpio_fragment}, |
| }; |
| |
| zx_status_t Vim::ThermalInit() { |
| pbus_dev_t mailbox_dev = {}; |
| mailbox_dev.name = "mailbox"; |
| mailbox_dev.vid = PDEV_VID_AMLOGIC; |
| mailbox_dev.pid = PDEV_PID_AMLOGIC_S912; |
| mailbox_dev.did = PDEV_DID_AMLOGIC_MAILBOX; |
| mailbox_dev.mmio_list = mailbox_mmios; |
| mailbox_dev.mmio_count = countof(mailbox_mmios); |
| mailbox_dev.irq_list = mailbox_irqs; |
| mailbox_dev.irq_count = countof(mailbox_irqs); |
| mailbox_dev.metadata_list = vim_thermal_metadata; |
| mailbox_dev.metadata_count = countof(vim_thermal_metadata); |
| |
| zx_status_t status = pbus_.DeviceAdd(&mailbox_dev); |
| |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "ThermalInit: pbus_device_add failed: %d", status); |
| return status; |
| } |
| |
| // Add a composite device for thermal driver. |
| constexpr zx_device_prop_t props[] = { |
| {BIND_PLATFORM_DEV_VID, 0, PDEV_VID_AMLOGIC}, |
| {BIND_PLATFORM_DEV_PID, 0, PDEV_PID_AMLOGIC_S912}, |
| {BIND_PLATFORM_DEV_DID, 0, PDEV_DID_VIM2_THERMAL}, |
| }; |
| |
| const composite_device_desc_t comp_desc = { |
| .props = props, |
| .props_count = countof(props), |
| .fragments = fragments, |
| .fragments_count = countof(fragments), |
| .coresident_device_index = 0, |
| .metadata_list = nullptr, |
| .metadata_count = 0, |
| }; |
| |
| status = DdkAddComposite("vim-thermal", &comp_desc); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: device_add_composite failed: %d", __func__, status); |
| return status; |
| } |
| return ZX_OK; |
| } |
| } // namespace vim |
