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USe debounce bit and do not use interrupts for touchpad

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This commit is contained in:
Jeremy Soller
2024-06-17 14:33:45 -06:00
committed by Tim Crawford
parent d88a175e23
commit 5b0766a209
1 changed files with 4 additions and 8 deletions
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12
src/board/system76/common/kbc.c
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@@ -400,15 +400,13 @@ static void kbc_on_input_data(struct Kbc *const kbc, uint8_t data) {
TRACE(" write second port input\n"); TRACE(" write second port input\n");
state = KBC_STATE_NORMAL; state = KBC_STATE_NORMAL;
// Begin write // Begin write
*(PS2_TOUCHPAD.control) = 0x0D; *(PS2_TOUCHPAD.control) = 0x1D;
// Enable Transaction Done interrupt
*(PS2_TOUCHPAD.interrupt) |= BIT(2);
// Write the data // Write the data
*(PS2_TOUCHPAD.data) = data; *(PS2_TOUCHPAD.data) = data;
// Pull data line low // Pull data line low
*(PS2_TOUCHPAD.control) = 0x0C; *(PS2_TOUCHPAD.control) = 0x1C;
// Pull clock line high // Pull clock line high
*(PS2_TOUCHPAD.control) = 0x0E; *(PS2_TOUCHPAD.control) = 0x1E;
// Set wait timeout of 100 cycles // Set wait timeout of 100 cycles
kbc_second_wait = 100; kbc_second_wait = 100;
break; break;
@@ -489,9 +487,7 @@ void kbc_event(struct Kbc *const kbc) {
if (kbc_second_wait == 0) { if (kbc_second_wait == 0) {
// Attempt to read from touchpad // Attempt to read from touchpad
*(PS2_TOUCHPAD.control) = 0x07; *(PS2_TOUCHPAD.control) = 0x17;
// Enable Transaction Done interrupt
*(PS2_TOUCHPAD.interrupt) |= BIT(2);
if (state == KBC_STATE_NORMAL) { if (state == KBC_STATE_NORMAL) {
uint8_t sts = *(PS2_TOUCHPAD.status); uint8_t sts = *(PS2_TOUCHPAD.status);
*(PS2_TOUCHPAD.status) = sts; *(PS2_TOUCHPAD.status) = sts;