From 7cc909d389e939c50e616aafe2af8f0a69b71f11 Mon Sep 17 00:00:00 2001 From: Greg Bowne Date: Sat, 15 Jul 2023 15:13:47 -0700 Subject: [PATCH] Adding preliminary bus drivers --- src/drivers/audio/audio.c | 32 ++++++++++++++++++++++ src/drivers/audio/audio.h | 17 ++++++++++++ src/drivers/bus/eisa.c | 44 ++++++++++++++++++++++++++++++ src/drivers/bus/eisa.h | 20 ++++++++++++++ src/drivers/bus/isa.c | 44 ++++++++++++++++++++++++++++++ src/drivers/bus/isa.h | 20 ++++++++++++++ src/drivers/bus/mca.c | 44 ++++++++++++++++++++++++++++++ src/drivers/bus/mca.h | 20 ++++++++++++++ src/drivers/bus/pci.c | 44 ++++++++++++++++++++++++++++++ src/drivers/bus/pci.h | 20 ++++++++++++++ src/drivers/bus/vesa.c | 44 ++++++++++++++++++++++++++++++ src/drivers/bus/vesa.h | 20 ++++++++++++++ src/drivers/display/display.c | 51 +++++++++++++++++++++++++++++++++++ src/drivers/display/display.h | 27 +++++++++++++++++++ 14 files changed, 447 insertions(+) create mode 100644 src/drivers/audio/audio.c create mode 100644 src/drivers/audio/audio.h create mode 100644 src/drivers/bus/eisa.c create mode 100644 src/drivers/bus/eisa.h create mode 100644 src/drivers/bus/isa.c create mode 100644 src/drivers/bus/isa.h create mode 100644 src/drivers/bus/mca.c create mode 100644 src/drivers/bus/mca.h create mode 100644 src/drivers/bus/pci.c create mode 100644 src/drivers/bus/pci.h create mode 100644 src/drivers/bus/vesa.c create mode 100644 src/drivers/bus/vesa.h diff --git a/src/drivers/audio/audio.c b/src/drivers/audio/audio.c new file mode 100644 index 0000000..4c161d0 --- /dev/null +++ b/src/drivers/audio/audio.c @@ -0,0 +1,32 @@ +#include "audio.h" + +#include +#include +#include + +// Audio controller base address +#define AUDIO_BASE_ADDRESS 0x0000 + +// Audio controller data port +#define AUDIO_DATA_PORT 0x00 + +// Audio controller command port +#define AUDIO_COMMAND_PORT 0x01 + +// Initialize the audio driver +void audio_init() +{ + // Add any necessary initialization code here +} + +// Play audio from a buffer +void audio_play(const uint8_t *buffer, size_t size) +{ + // Add any necessary code to play audio from the buffer here +} + +// Stop audio playback +void audio_stop() +{ + // Add any necessary code to stop audio playback here +} \ No newline at end of file diff --git a/src/drivers/audio/audio.h b/src/drivers/audio/audio.h new file mode 100644 index 0000000..5d9610e --- /dev/null +++ b/src/drivers/audio/audio.h @@ -0,0 +1,17 @@ +#ifndef AUDIO_H +#define AUDIO_H + +#include +#include +#include + +// Initialize the audio driver +void audio_init(); + +// Play audio from a buffer +void audio_play(const uint8_t* buffer, size_t size); + +// Stop audio playback +void audio_stop(); + +#endif \ No newline at end of file diff --git a/src/drivers/bus/eisa.c b/src/drivers/bus/eisa.c new file mode 100644 index 0000000..a870e63 --- /dev/null +++ b/src/drivers/bus/eisa.c @@ -0,0 +1,44 @@ +#include "eisa.h" + +#include +#include +#include + +// EISA bus controller base address +#define EISA_BASE_ADDRESS 0x0000 + +// EISA bus controller data port +#define EISA_DATA_PORT 0x00 + +// EISA bus controller command port +#define EISA_COMMAND_PORT 0x01 + +// Initialize the EISA bus +void eisa_init() +{ + // Add any necessary initialization code here +} + +// Detect and configure EISA devices +void eisa_detect_devices() +{ + // Add any necessary device detection and configuration code here +} + +// Read from an EISA device +uint8_t eisa_read(uint16_t port) +{ + uint8_t value; + + // Read from the specified port + __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port)); + + return value; +} + +// Write to an EISA device +void eisa_write(uint16_t port, uint8_t value) +{ + // Write the specified value to the specified port + __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port)); +} \ No newline at end of file diff --git a/src/drivers/bus/eisa.h b/src/drivers/bus/eisa.h new file mode 100644 index 0000000..dac455d --- /dev/null +++ b/src/drivers/bus/eisa.h @@ -0,0 +1,20 @@ +#ifndef EISA_H +#define EISA_H + +#include +#include +#include + +// Initialize the EISA bus +void eisa_init(); + +// Detect and configure EISA devices +void eisa_detect_devices(); + +// Read from an EISA device +uint8_t eisa_read(uint16_t port); + +// Write to an EISA device +void eisa_write(uint16_t port, uint8_t value); + +#endif \ No newline at end of file diff --git a/src/drivers/bus/isa.c b/src/drivers/bus/isa.c new file mode 100644 index 0000000..c5b741c --- /dev/null +++ b/src/drivers/bus/isa.c @@ -0,0 +1,44 @@ +#include "isa.h" + +#include +#include +#include + +// ISA bus controller base address +#define ISA_BASE_ADDRESS 0x0000 + +// ISA bus controller data port +#define ISA_DATA_PORT 0x00 + +// ISA bus controller command port +#define ISA_COMMAND_PORT 0x01 + +// Initialize the ISA bus +void isa_init() +{ + // Add any necessary initialization code here +} + +// Detect and configure ISA devices +void isa_detect_devices() +{ + // Add any necessary device detection and configuration code here +} + +// Read from an ISA device +uint8_t isa_read(uint16_t port) +{ + uint8_t value; + + // Read from the specified port + __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port)); + + return value; +} + +// Write to an ISA device +void isa_write(uint16_t port, uint8_t value) +{ + // Write the specified value to the specified port + __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port)); +} \ No newline at end of file diff --git a/src/drivers/bus/isa.h b/src/drivers/bus/isa.h new file mode 100644 index 0000000..d96c2d2 --- /dev/null +++ b/src/drivers/bus/isa.h @@ -0,0 +1,20 @@ +#ifndef ISA_H +#define ISA_H + +#include +#include +#include + +// Initialize the ISA bus +void isa_init(); + +// Detect and configure ISA devices +void isa_detect_devices(); + +// Read from an ISA device +uint8_t isa_read(uint16_t port); + +// Write to an ISA device +void isa_write(uint16_t port, uint8_t value); + +#endif \ No newline at end of file diff --git a/src/drivers/bus/mca.c b/src/drivers/bus/mca.c new file mode 100644 index 0000000..ba99308 --- /dev/null +++ b/src/drivers/bus/mca.c @@ -0,0 +1,44 @@ +#include "mca.h" + +#include +#include +#include + +// MCA bus controller base address +#define MCA_BASE_ADDRESS 0x0000 + +// MCA bus controller data port +#define MCA_DATA_PORT 0x00 + +// MCA bus controller command port +#define MCA_COMMAND_PORT 0x01 + +// Initialize the MCA bus +void mca_init() +{ + // Add any necessary initialization code here +} + +// Detect and configure MCA devices +void mca_detect_devices() +{ + // Add any necessary device detection and configuration code here +} + +// Read from an MCA device +uint8_t mca_read(uint16_t port) +{ + uint8_t value; + + // Read from the specified port + __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port)); + + return value; +} + +// Write to an MCA device +void mca_write(uint16_t port, uint8_t value) +{ + // Write the specified value to the specified port + __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port)); +} \ No newline at end of file diff --git a/src/drivers/bus/mca.h b/src/drivers/bus/mca.h new file mode 100644 index 0000000..9673ce1 --- /dev/null +++ b/src/drivers/bus/mca.h @@ -0,0 +1,20 @@ +#ifndef MCA_H +#define MCA_H + +#include +#include +#include + +// Initialize the MCA bus +void mca_init(); + +// Detect and configure MCA devices +void mca_detect_devices(); + +// Read from an MCA device +uint8_t mca_read(uint16_t port); + +// Write to an MCA device +void mca_write(uint16_t port, uint8_t value); + +#endif \ No newline at end of file diff --git a/src/drivers/bus/pci.c b/src/drivers/bus/pci.c new file mode 100644 index 0000000..3ae3492 --- /dev/null +++ b/src/drivers/bus/pci.c @@ -0,0 +1,44 @@ +#include "pci.h" + +#include +#include +#include + +// PCI bus controller base address +#define PCI_BASE_ADDRESS 0x0000 + +// PCI bus controller data port +#define PCI_DATA_PORT 0x00 + +// PCI bus controller command port +#define PCI_COMMAND_PORT 0x01 + +// Initialize the PCI bus +void pci_init() +{ + // Add any necessary initialization code here +} + +// Detect and configure PCI devices +void pci_detect_devices() +{ + // Add any necessary device detection and configuration code here +} + +// Read from a PCI device +uint8_t pci_read(uint16_t port) +{ + uint8_t value; + + // Read from the specified port + __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port)); + + return value; +} + +// Write to a PCI device +void pci_write(uint16_t port, uint8_t value) +{ + // Write the specified value to the specified port + __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port)); +} \ No newline at end of file diff --git a/src/drivers/bus/pci.h b/src/drivers/bus/pci.h new file mode 100644 index 0000000..7ecc598 --- /dev/null +++ b/src/drivers/bus/pci.h @@ -0,0 +1,20 @@ +#ifndef PCI_H +#define PCI_H + +#include +#include +#include + +// Initialize the PCI bus +void pci_init(); + +// Detect and configure PCI devices +void pci_detect_devices(); + +// Read from a PCI device +uint8_t pci_read(uint16_t port); + +// Write to a PCI device +void pci_write(uint16_t port, uint8_t value); + +#endif \ No newline at end of file diff --git a/src/drivers/bus/vesa.c b/src/drivers/bus/vesa.c new file mode 100644 index 0000000..e7dae08 --- /dev/null +++ b/src/drivers/bus/vesa.c @@ -0,0 +1,44 @@ +#include "vesa.h" + +#include +#include +#include + +// VESA bus controller base address +#define VESA_BASE_ADDRESS 0x0000 + +// VESA bus controller data port +#define VESA_DATA_PORT 0x00 + +// VESA bus controller command port +#define VESA_COMMAND_PORT 0x01 + +// Initialize the VESA bus +void vesa_init() +{ + // Add any necessary initialization code here +} + +// Detect and configure VESA devices +void vesa_detect_devices() +{ + // Add any necessary device detection and configuration code here +} + +// Read from a VESA device +uint8_t vesa_read(uint16_t port) +{ + uint8_t value; + + // Read from the specified port + __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port)); + + return value; +} + +// Write to a VESA device +void vesa_write(uint16_t port, uint8_t value) +{ + // Write the specified value to the specified port + __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port)); +} diff --git a/src/drivers/bus/vesa.h b/src/drivers/bus/vesa.h new file mode 100644 index 0000000..674b1c2 --- /dev/null +++ b/src/drivers/bus/vesa.h @@ -0,0 +1,20 @@ +#ifndef VESA_H +#define VESA_H + +#include +#include +#include + +// Initialize the VESA bus +void vesa_init(); + +// Detect and configure VESA devices +void vesa_detect_devices(); + +// Read from a VESA device +uint8_t vesa_read(uint16_t port); + +// Write to a VESA device +void vesa_write(uint16_t port, uint8_t value); + +#endif \ No newline at end of file diff --git a/src/drivers/display/display.c b/src/drivers/display/display.c index e69de29..2470331 100644 --- a/src/drivers/display/display.c +++ b/src/drivers/display/display.c @@ -0,0 +1,51 @@ +#include "display.h" + +#include +#include +#include + +// Display controller base address +#define DISPLAY_BASE_ADDRESS 0x0000 + +// Display controller data port +#define DISPLAY_DATA_PORT 0x00 + +// Display controller command port +#define DISPLAY_COMMAND_PORT 0x01 + +// Initialize the display driver +void display_init() +{ + // Add any necessary initialization code here +} + +// Set the display mode +void display_set_mode(uint32_t width, uint32_t height, uint32_t bpp) +{ + // Add any necessary code to set the display mode here +} + +// Draw a pixel at the specified coordinates +void display_draw_pixel(uint32_t x, uint32_t y, uint32_t color) +{ + // Add any necessary code to draw a pixel here +} + +// Clear the display with the specified color +void display_clear(uint32_t color) +{ + // Add any necessary code to clear the display here +} + +// Draw a character at the specified coordinates +void display_draw_char(uint32_t x, uint32_t y, char c, uint32_t color) +{ + // Add any necessary code to draw a character here +} + +// Draw a string at the specified coordinates +void display_draw_string(uint32_t x, uint32_t y, const char *str, + uint32_t color) +{ + // Add any necessary code to draw a string here +} \ No newline at end of file diff --git a/src/drivers/display/display.h b/src/drivers/display/display.h index e69de29..7744490 100644 --- a/src/drivers/display/display.h +++ b/src/drivers/display/display.h @@ -0,0 +1,27 @@ +#ifndef DISPLAY_H +#define DISPLAY_H + +#include +#include +#include + +// Initialize the display driver +void display_init(); + +// Set the display mode +void display_set_mode(uint32_t width, uint32_t height, uint32_t bpp); + +// Draw a pixel at the specified coordinates +void display_draw_pixel(uint32_t x, uint32_t y, uint32_t color); + +// Clear the display with the specified color +void display_clear(uint32_t color); + +// Draw a character at the specified coordinates +void display_draw_char(uint32_t x, uint32_t y, char c, uint32_t color); + +// Draw a string at the specified coordinates +void display_draw_string(uint32_t x, uint32_t y, const char *str, + uint32_t color); + +#endif \ No newline at end of file