| 1 | /* |
| 2 | * xlnx_dp.h |
| 3 | * |
| 4 | * Copyright (C) 2015 : GreenSocs Ltd |
| 5 | * http://www.greensocs.com/ , email: info@greensocs.com |
| 6 | * |
| 7 | * Developed by : |
| 8 | * Frederic Konrad <fred.konrad@greensocs.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation, either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along |
| 21 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 22 | */ |
| 23 | |
| 24 | #ifndef XLNX_DP_H |
| 25 | #define XLNX_DP_H |
| 26 | |
| 27 | #include "hw/core/sysbus.h" |
| 28 | #include "ui/console.h" |
| 29 | #include "hw/misc/auxbus.h" |
| 30 | #include "hw/i2c/i2c.h" |
| 31 | #include "hw/display/dpcd.h" |
| 32 | #include "hw/display/i2c-ddc.h" |
| 33 | #include "qemu/fifo8.h" |
| 34 | #include "qemu/units.h" |
| 35 | #include "hw/dma/xlnx_dpdma.h" |
| 36 | #include "qemu/audio.h" |
| 37 | #include "qom/object.h" |
| 38 | #include "hw/core/ptimer.h" |
| 39 | |
| 40 | #define AUD_CHBUF_MAX_DEPTH (32 * KiB) |
| 41 | #define MAX_QEMU_BUFFER_SIZE (4 * KiB) |
| 42 | |
| 43 | #define DP_CORE_REG_OFFSET (0x0000) |
| 44 | #define DP_CORE_REG_ARRAY_SIZE (0x3B0 >> 2) |
| 45 | #define DP_AVBUF_REG_OFFSET (0xB000) |
| 46 | #define DP_AVBUF_REG_ARRAY_SIZE (0x238 >> 2) |
| 47 | #define DP_VBLEND_REG_OFFSET (0xA000) |
| 48 | #define DP_VBLEND_REG_ARRAY_SIZE (0x1E0 >> 2) |
| 49 | #define DP_AUDIO_REG_OFFSET (0xC000) |
| 50 | #define DP_AUDIO_REG_ARRAY_SIZE (0x50 >> 2) |
| 51 | #define DP_CONTAINER_SIZE (0xC050) |
| 52 | |
| 53 | struct PixmanPlane { |
| 54 | pixman_format_code_t format; |
| 55 | DisplaySurface *surface; |
| 56 | }; |
| 57 | |
| 58 | struct XlnxDPState { |
| 59 | /*< private >*/ |
| 60 | SysBusDevice parent_obj; |
| 61 | |
| 62 | /* < public >*/ |
| 63 | MemoryRegion container; |
| 64 | |
| 65 | uint32_t core_registers[DP_CORE_REG_ARRAY_SIZE]; |
| 66 | MemoryRegion core_iomem; |
| 67 | |
| 68 | uint32_t avbufm_registers[DP_AVBUF_REG_ARRAY_SIZE]; |
| 69 | MemoryRegion avbufm_iomem; |
| 70 | |
| 71 | uint32_t vblend_registers[DP_VBLEND_REG_ARRAY_SIZE]; |
| 72 | MemoryRegion vblend_iomem; |
| 73 | |
| 74 | uint32_t audio_registers[DP_AUDIO_REG_ARRAY_SIZE]; |
| 75 | MemoryRegion audio_iomem; |
| 76 | |
| 77 | QemuConsole *console; |
| 78 | |
| 79 | /* |
| 80 | * This is the planes used to display in console. When the blending is |
| 81 | * enabled bout_plane is displayed in console else it's g_plane. |
| 82 | */ |
| 83 | struct PixmanPlane g_plane; |
| 84 | struct PixmanPlane v_plane; |
| 85 | struct PixmanPlane bout_plane; |
| 86 | |
| 87 | AudioBackend *audio_be; |
| 88 | SWVoiceOut *amixer_output_stream; |
| 89 | int16_t audio_buffer_0[AUD_CHBUF_MAX_DEPTH]; |
| 90 | int16_t audio_buffer_1[AUD_CHBUF_MAX_DEPTH]; |
| 91 | size_t audio_data_available[2]; |
| 92 | int64_t temp_buffer[AUD_CHBUF_MAX_DEPTH]; |
| 93 | int16_t out_buffer[AUD_CHBUF_MAX_DEPTH]; |
| 94 | size_t byte_left; /* byte available in out_buffer. */ |
| 95 | size_t data_ptr; /* next byte to be sent to QEMU. */ |
| 96 | |
| 97 | /* Associated DPDMA controller. */ |
| 98 | XlnxDPDMAState *dpdma; |
| 99 | |
| 100 | qemu_irq irq; |
| 101 | |
| 102 | AUXBus *aux_bus; |
| 103 | Fifo8 rx_fifo; |
| 104 | Fifo8 tx_fifo; |
| 105 | |
| 106 | /* |
| 107 | * XXX: This should be in an other module. |
| 108 | */ |
| 109 | DPCDState *dpcd; |
| 110 | I2CDDCState *edid; |
| 111 | |
| 112 | ptimer_state *vblank; |
| 113 | }; |
| 114 | |
| 115 | #define TYPE_XLNX_DP "xlnx.v-dp" |
| 116 | OBJECT_DECLARE_SIMPLE_TYPE(XlnxDPState, XLNX_DP) |
| 117 | |
| 118 | #endif |