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110 lines
4.8 KiB
C++
110 lines
4.8 KiB
C++
/*---------------------------------------------------------*\
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| ZotacBlackwellGPUController.h |
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| Driver for ZOTAC Blackwell (RTX 50 series) GPU |
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| Eder Sánchez 27 Mar 2026 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-or-later |
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\*---------------------------------------------------------*/
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#pragma once
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#include <string>
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#include "i2c_smbus.h"
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#include "RGBController.h"
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/*---------------------------------------------------------*\
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| ZOTAC Blackwell I2C address |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_ADDR 0x4B
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/*---------------------------------------------------------*\
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| Register map (0x20 - 0x2F) |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_REG_FIXED 0x20
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#define ZOTAC_BLACKWELL_GPU_REG_ZONE 0x21
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#define ZOTAC_BLACKWELL_GPU_REG_MODE 0x22
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#define ZOTAC_BLACKWELL_GPU_REG_RED1 0x23
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#define ZOTAC_BLACKWELL_GPU_REG_GREEN1 0x24
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#define ZOTAC_BLACKWELL_GPU_REG_BLUE1 0x25
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#define ZOTAC_BLACKWELL_GPU_REG_RED2 0x26
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#define ZOTAC_BLACKWELL_GPU_REG_GREEN2 0x27
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#define ZOTAC_BLACKWELL_GPU_REG_BLUE2 0x28
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#define ZOTAC_BLACKWELL_GPU_REG_BRIGHTNESS 0x29
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#define ZOTAC_BLACKWELL_GPU_REG_SPEED 0x2A
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#define ZOTAC_BLACKWELL_GPU_REG_DIRECTION 0x2B
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#define ZOTAC_BLACKWELL_GPU_REG_RESERVED_2C 0x2C
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#define ZOTAC_BLACKWELL_GPU_REG_RESERVED_2D 0x2D
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#define ZOTAC_BLACKWELL_GPU_REG_RESERVED_2E 0x2E
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#define ZOTAC_BLACKWELL_GPU_REG_RESERVED_2F 0x2F
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/*---------------------------------------------------------*\
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| Control registers |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_REG_RELOAD 0x11
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#define ZOTAC_BLACKWELL_GPU_REG_COMMIT 0x17
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/*---------------------------------------------------------*\
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| Zone indices |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_ZONE_LOGO 0x00
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#define ZOTAC_BLACKWELL_GPU_ZONE_SIDEBAR 0x01
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#define ZOTAC_BLACKWELL_GPU_ZONE_INFINITY 0x02
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#define ZOTAC_BLACKWELL_GPU_NUM_ZONES 3
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/*---------------------------------------------------------*\
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| Mode values (from Firestorm V5.0.0.012E reverse eng.) |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_MODE_STATIC 0x01
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#define ZOTAC_BLACKWELL_GPU_MODE_BREATHE 0x02
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#define ZOTAC_BLACKWELL_GPU_MODE_FADE 0x03
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#define ZOTAC_BLACKWELL_GPU_MODE_WINK 0x04
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#define ZOTAC_BLACKWELL_GPU_MODE_GLIDE 0x08
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#define ZOTAC_BLACKWELL_GPU_MODE_PRISM 0x09
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#define ZOTAC_BLACKWELL_GPU_MODE_BOKEH 0x0A
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#define ZOTAC_BLACKWELL_GPU_MODE_BEACON 0x0B
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#define ZOTAC_BLACKWELL_GPU_MODE_TANDEM 0x18
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#define ZOTAC_BLACKWELL_GPU_MODE_TIDAL 0x19
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#define ZOTAC_BLACKWELL_GPU_MODE_ASTRA 0x20
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#define ZOTAC_BLACKWELL_GPU_MODE_COSMIC 0x21
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#define ZOTAC_BLACKWELL_GPU_MODE_VOLTA 0x22
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/*---------------------------------------------------------*\
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| Direction values |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_DIR_LEFT 0x00
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#define ZOTAC_BLACKWELL_GPU_DIR_RIGHT 0x01
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/*---------------------------------------------------------*\
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| I2C transaction delays (microseconds) |
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\*---------------------------------------------------------*/
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#define ZOTAC_BLACKWELL_GPU_DELAY_US 3000
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#define ZOTAC_BLACKWELL_GPU_COMMIT_DELAY_US 10000
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class ZotacBlackwellGPUController
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{
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public:
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ZotacBlackwellGPUController(i2c_smbus_interface* bus, u8 dev, std::string dev_name);
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~ZotacBlackwellGPUController();
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std::string GetDeviceLocation();
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std::string GetName();
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std::string GetVersion();
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void SetMode(unsigned int zone, unsigned int mode_val,
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RGBColor color1, RGBColor color2,
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unsigned int brightness, unsigned int speed,
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unsigned int direction);
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void Commit();
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private:
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i2c_smbus_interface* bus;
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u8 dev;
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std::string name;
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std::string version;
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void ReadVersion();
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};
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