1 // Copyright 2018 The Fuchsia Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #pragma once 6 7 #include <ddk/mmio-buffer.h> 8 #include <ddk/protocol/gpio.h> 9 #include <ddk/protocol/scpi.h> 10 #include <ddk/debug.h> 11 #include <ddk/device.h> 12 #include <ddk/platform-defs.h> 13 #include <ddk/protocol/platform/bus.h> 14 #include <ddk/protocol/platform/device.h> 15 #include <threads.h> 16 17 #define GPU_ERROR(fmt, ...) zxlogf(ERROR, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__) 18 #define GPU_INFO(fmt, ...) zxlogf(INFO, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__) 19 #define PWR_KEY 0x14 20 #define PWR_OVERRIDE1 0x16 21 22 #define READ32_GPU_REG(offset) readl((uint32_t*)gpu->gpu_buffer.vaddr + offset) 23 #define WRITE32_GPU_REG(offset, value) writel(value, (uint32_t*)gpu->gpu_buffer.vaddr + offset) 24 25 #define READ32_HIU_REG(offset) readl((uint32_t*)gpu->hiu_buffer.vaddr + offset) 26 #define WRITE32_HIU_REG(offset, value) writel(value, (uint32_t*)gpu->hiu_buffer.vaddr + offset) 27 28 #define READ32_PRESET_REG(offset) readl((uint32_t*)gpu->preset_buffer.vaddr + offset) 29 #define WRITE32_PRESET_REG(offset, value) writel(value, (uint32_t*)gpu->preset_buffer.vaddr + offset) 30 31 #define CLK_ENABLED_BIT_SHIFT 8 32 #define CALCULATE_CLOCK_MUX(enabled, base, divisor) \ 33 ((!!(enabled) << CLK_ENABLED_BIT_SHIFT) | (base << 9) | (divisor - 1)) 34 35 #define CLOCK_MUX_MASK 0xFFF 36 37 #define MAX_GPU_CLK_FREQ 6 38 #define FINAL_MUX_BIT_SHIFT 31 39 40 enum { 41 MMIO_GPU, 42 MMIO_HIU, 43 MMIO_PRESET, 44 }; 45 46 typedef struct { 47 uint32_t reset0_level_offset; 48 uint32_t reset0_mask_offset; 49 uint32_t reset2_level_offset; 50 uint32_t reset2_mask_offset; 51 uint32_t hhi_clock_cntl_offset; 52 uint32_t gpu_clk_freq[MAX_GPU_CLK_FREQ]; 53 }aml_gpu_block_t; 54 55 typedef struct aml_hiu_dev aml_hiu_dev_t; 56 typedef struct aml_pll_dev aml_pll_dev_t; 57 58 typedef struct { 59 pdev_protocol_t pdev; 60 61 zx_device_t* zxdev; 62 63 zx_handle_t bti; 64 65 mmio_buffer_t hiu_buffer; 66 mmio_buffer_t preset_buffer; 67 mmio_buffer_t gpu_buffer; 68 69 aml_gpu_block_t* gpu_block; 70 aml_hiu_dev_t* hiu_dev; 71 aml_pll_dev_t* gp0_pll_dev; 72 } aml_gpu_t; 73