X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/8328d66ad5de53d630db5b32a155404181733843..87067c7f16425837971f5c1b5fd0fc5338757377:/lunaix-os/kernel/peripheral/ps2kbd.c?ds=sidebyside diff --git a/lunaix-os/kernel/peripheral/ps2kbd.c b/lunaix-os/kernel/peripheral/ps2kbd.c index df6ffc1..c31d736 100644 --- a/lunaix-os/kernel/peripheral/ps2kbd.c +++ b/lunaix-os/kernel/peripheral/ps2kbd.c @@ -3,6 +3,7 @@ #include #include #include +#include #include #include #include @@ -15,7 +16,7 @@ #define PS2_DEV_CMD_MAX_ATTEMPTS 5 -LOG_MODULE("PS2KBD"); +LOG_MODULE("i8042"); static struct ps2_cmd_queue cmd_q; static struct ps2_kbd_state kbd_state; @@ -85,8 +86,8 @@ static struct input_device* kbd_idev; void intr_ps2_kbd_handler(const isr_param* param); -static uint8_t -ps2_issue_cmd_wretry(char cmd, uint16_t arg); +static u8_t +ps2_issue_cmd_wretry(char cmd, u16_t arg); void ps2_device_post_cmd(char cmd, char arg) @@ -138,13 +139,13 @@ ps2_kbd_init() * https://bochs.sourceforge.io/cgi-bin/lxr/source/bios/rombios32.c#L1314 */ if (!(acpi_ctx->fadt.boot_arch & IAPC_ARCH_8042)) { - kprintf(KERROR "i8042: not found\n"); + kprintf(KERROR "not found\n"); // FUTURE: Some alternative fallback on this? Check PCI bus for USB // controller instead? return; } } else { - kprintf(KWARN "i8042: outdated FADT used, assuming exists.\n"); + kprintf(KWARN "outdated FADT used, assuming exists.\n"); } char result; @@ -166,14 +167,14 @@ ps2_kbd_init() // 4、控制器自检 result = ps2_issue_cmd_wretry(PS2_CMD_SELFTEST, PS2_NO_ARG); if (result != PS2_RESULT_TEST_OK) { - kprintf(KWARN "Controller self-test failed. (%x)\n", result); + kprintf(KWARN "controller self-test failed. (%x)\n", result); // goto done; } // 5、设备自检(端口1自检,通常是我们的键盘) result = ps2_issue_cmd_wretry(PS2_CMD_SELFTEST_PORT1, PS2_NO_ARG); if (result != 0) { - kprintf(KERROR "Interface test on port 1 failed. (%x)\n", result); + kprintf(KERROR "interface test on port 1 failed. (%x)\n", result); // goto done; } @@ -188,9 +189,6 @@ ps2_kbd_init() // 至此,PS/2控制器和设备已完成初始化,可以正常使用。 - // 将我们的键盘驱动挂载到第204号中断上(已由IOAPIC映射至IRQ#1), - intr_subscribe(PC_KBD_IV, intr_ps2_kbd_handler); - // 搞一个计时器,将我们的 ps2_process_cmd // 挂上去。每隔5毫秒执行排在队头的命令。 // 为什么只执行队头的命令,而不是全部的命令? @@ -207,10 +205,8 @@ ps2_kbd_init() * * 所以,保险的方法是:在初始化后才去设置ioapic,这样一来我们就能有一个稳定的IRQ#1以放心使用。 */ - uint8_t irq_kbd = ioapic_get_irq(acpi_ctx, PC_AT_IRQ_KBD); - ioapic_redirect(irq_kbd, PC_KBD_IV, 0, IOAPIC_DELMOD_FIXED); + isrm_bindirq(PC_AT_IRQ_KBD, intr_ps2_kbd_handler); -done: cpu_enable_interrupt(); } @@ -234,7 +230,7 @@ ps2_process_cmd(void* arg) // 处理队列排头的指令 struct ps2_cmd* pending_cmd = &cmd_q.cmd_queue[cmd_q.queue_ptr]; - char result; + u8_t result; int attempts = 0; // 尝试将命令发送至PS/2键盘(通过PS/2控制器) @@ -254,7 +250,7 @@ ps2_process_cmd(void* arg) } void -kbd_buffer_key_event(kbd_keycode_t key, uint8_t scancode, kbd_kstate_t state) +kbd_buffer_key_event(kbd_keycode_t key, u8_t scancode, kbd_kstate_t state) { /* forgive me on these ugly bit-level tricks, @@ -309,7 +305,7 @@ intr_ps2_kbd_handler(const isr_param* param) // check. But DO NOT. This chunk is in right place and right order. Moving // it at your own risk This is to ensure we've cleared the output buffer // everytime, so it won't pile up across irqs. - uint8_t scancode = io_inb(PS2_PORT_ENC_DATA); + u8_t scancode = io_inb(PS2_PORT_ENC_DATA); kbd_keycode_t key; /* @@ -406,8 +402,8 @@ intr_ps2_kbd_handler(const isr_param* param) } } -static uint8_t -ps2_issue_cmd(char cmd, uint16_t arg) +static u8_t +ps2_issue_cmd(char cmd, u16_t arg) { ps2_post_cmd(PS2_PORT_CTRL_CMDREG, cmd, arg); @@ -419,21 +415,21 @@ ps2_issue_cmd(char cmd, uint16_t arg) return io_inb(PS2_PORT_ENC_CMDREG); } -static uint8_t -ps2_issue_cmd_wretry(char cmd, uint16_t arg) +static u8_t +ps2_issue_cmd_wretry(char cmd, u16_t arg) { - uint8_t r, c = 0; + u8_t r, c = 0; while ((r = ps2_issue_cmd(cmd, arg)) == PS2_RESULT_NAK && c < 5) { c++; } if (c >= 5) { - kprintf(KWARN "Max attempt reached.\n"); + kprintf(KWARN "max attempt reached.\n"); } return r; } static void -ps2_post_cmd(uint8_t port, char cmd, uint16_t arg) +ps2_post_cmd(u8_t port, char cmd, u16_t arg) { // 等待PS/2输入缓冲区清空,这样我们才可以写入命令 while (io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_IFULL) @@ -446,13 +442,13 @@ ps2_post_cmd(uint8_t port, char cmd, uint16_t arg) // 所有参数一律通过0x60传入。 while (io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_IFULL) ; - io_outb(PS2_PORT_ENC_CMDREG, (uint8_t)(arg & 0x00ff)); + io_outb(PS2_PORT_ENC_CMDREG, (u8_t)(arg & 0x00ff)); io_delay(PS2_DELAY); } } -static uint8_t -ps2_issue_dev_cmd(char cmd, uint16_t arg) +static u8_t +ps2_issue_dev_cmd(char cmd, u16_t arg) { ps2_post_cmd(PS2_PORT_ENC_CMDREG, cmd, arg);