From 76d62d921bb637f2e17a896c28e81f8f520e8b1c Mon Sep 17 00:00:00 2001 From: Edgaru089 Date: Tue, 12 Oct 2021 15:02:34 +0800 Subject: [PATCH] driver/ps2: tell if the system has PS/2 mouse, replate Printfs with WriteConsoles --- driver/irq/pic/ps2/ps2.c | 31 ++++++++++++++++++++++--------- driver/irq/pic/ps2/ps2.h | 8 ++++++++ 2 files changed, 30 insertions(+), 9 deletions(-) diff --git a/driver/irq/pic/ps2/ps2.c b/driver/irq/pic/ps2/ps2.c index a0a80fe..5511de9 100644 --- a/driver/irq/pic/ps2/ps2.c +++ b/driver/irq/pic/ps2/ps2.c @@ -9,6 +9,7 @@ #include "../../../../graphics/graphics.h" +bool irq_pic_ps2_HasMouse; bool irq_pic_ps2_Mouse4Bytes; // the mouse has 4-byte data packages instead of 3 queue irq_pic_ps2_QueueKeyboard, irq_pic_ps2_QueueMouse; @@ -25,20 +26,29 @@ void irq_pic_ps2_Init() { INTERRUPT_DISABLE; irq_pic_IRQHandler[IRQ_PIC_PS2_KEYBOARD] = irq_pic_ps2_IRQHandlerK; - irq_pic_IRQHandler[IRQ_PIC_PS2_MOUSE] = irq_pic_ps2_IRQHandlerM; irq_pic_Mask(IRQ_PIC_PS2_KEYBOARD, false); - irq_pic_Mask(IRQ_PIC_PS2_MOUSE, false); // enable second PS/2 port - io_Printf("ENABLE_MOUSE... "); + io_WriteConsoleASCII("ENABLE_MOUSE... "); __ps2_WriteCommand(IRQ_PIC_PS2_CMD_ENABLE_MOUSE); - // write controller mode (EnablePort1Int | EnablePort2Int | SystemPOSTOk | Port1Translation) - io_Printf("CONTROLLER_WRITE_CONFIGBYTE... "); - __ps2_WriteCommandData(IRQ_PIC_PS2_CMD_WRITE_CONFIGBYTE, 0x47); + io_WriteConsoleASCII("CONTROLLER_READ_CONFIGBYTE... "); + __ps2_WriteCommand(IRQ_PIC_PS2_CMD_READ_CONFIGBYTE); + uint8_t config = __ps2_ReadData(); + // write controller mode (|= Port1Translation) + io_WriteConsoleASCII("CONTROLLER_WRITE_CONFIGBYTE... "); + __ps2_WriteCommandData(IRQ_PIC_PS2_CMD_WRITE_CONFIGBYTE, config | IRQ_PIC_PS2_CONFIG_PORT1_TRANSLATION); + if (config & IRQ_PIC_PS2_CONFIG_PORT1_CLOCK) { // mouse not present + irq_pic_ps2_HasMouse = false; + io_WriteConsoleASCII("PS/2 Controller has no mouse\n"); + INTERRUPT_RESTORE; + return; // early out + } + + // initialize the mouse // reset mouse - io_Printf("DEVICE_RESET... "); + io_WriteConsoleASCII("DEVICE_RESET... "); __ps2_WriteCommandData(IRQ_PIC_PS2_CMD_SEND_MOUSE, IRQ_PIC_PS2_CMD_DEVICE_RESET); while ((data = __ps2_ReadData()) != IRQ_PIC_PS2_RESET_OK) { io_Printf("%X ", data); @@ -47,7 +57,7 @@ void irq_pic_ps2_Init() { // enable mouse reporting - io_Printf("MOUSE_ENABLE_REPORTING... "); + io_WriteConsoleASCII("MOUSE_ENABLE_REPORTING... "); __ps2_WriteCommandData(IRQ_PIC_PS2_CMD_SEND_MOUSE, IRQ_PIC_PS2_CMD_DEVICE_MOUSE_ENABLE_REPORTING); __ps2_ReadACK(); // receive ACK @@ -57,7 +67,7 @@ void irq_pic_ps2_Init() { __ps2_SetMouseRate(100); __ps2_SetMouseRate(80); - io_Printf("SEND_MOUSE(PS2_DEVICE_ID)"); + io_WriteConsoleASCII("SEND_MOUSE(PS2_DEVICE_ID)"); __ps2_WriteCommandData(IRQ_PIC_PS2_CMD_SEND_MOUSE, 0xf2); // get device ID __ps2_ReadACK(); uint8_t id = __ps2_ReadData(); // receive device ID @@ -65,6 +75,9 @@ void irq_pic_ps2_Init() { if (id == 3) // Z-axis is enabled irq_pic_ps2_Mouse4Bytes = true; + irq_pic_IRQHandler[IRQ_PIC_PS2_MOUSE] = irq_pic_ps2_IRQHandlerM; + irq_pic_Mask(IRQ_PIC_PS2_MOUSE, false); + // set the actual mouse sample rate __ps2_SetMouseRate(IRQ_PIC_PS2_MOUSE_SAMPLERATE); diff --git a/driver/irq/pic/ps2/ps2.h b/driver/irq/pic/ps2/ps2.h index c353a99..254759c 100644 --- a/driver/irq/pic/ps2/ps2.h +++ b/driver/irq/pic/ps2/ps2.h @@ -26,6 +26,13 @@ extern "C" { #define IRQ_PIC_PS2_STATUS_TIMEOUT_ERROR (1 << 6) #define IRQ_PIC_PS2_STATUS_PARITY_ERROR (1 << 7) +#define IRQ_PIC_PS2_CONFIG_PORT1_INTERRUPT (1 << 0) // PS/2 port interrupt (1=Enabled, 0=Disabled) +#define IRQ_PIC_PS2_CONFIG_PORT2_INTERRUPT (1 << 1) // PS/2 port interrupt (1=Enabled, 0=Disabled) +#define IRQ_PIC_PS2_CONFIG_SYSTEM_POST_OK (1 << 2) // If the system have passed POST +#define IRQ_PIC_PS2_CONFIG_PORT1_CLOCK (1 << 4) // PS/2 port clock (1=Disabled, 0=Enabled) +#define IRQ_PIC_PS2_CONFIG_PORT2_CLOCK (1 << 5) // PS/2 port clock (1=Disabled, 0=Enabled) +#define IRQ_PIC_PS2_CONFIG_PORT1_TRANSLATION (1 << 6) // PS/2 keyboard scancode translation (from Set 2 to Set 1) + #define IRQ_PIC_PS2_ACK 0xfa // ACK code for keyboard and mouse (controller cmds have no ack) #define IRQ_PIC_PS2_RESET_OK 0xaa // the last output byte when a PS/2 device is reset @@ -42,6 +49,7 @@ extern "C" { void irq_pic_ps2_Init(); +extern bool irq_pic_ps2_HasMouse; // does the PS/2 controller have 2 channels? extern bool irq_pic_ps2_Mouse4Bytes; // the mouse has 4-byte data packages instead of 3; mouse wheel enabled