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Move PMC logic to board

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This commit is contained in:
Jeremy Soller 2019-11-20 13:05:14 -07:00
parent dc9ba7d96a
commit 68ed5913dd
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GPG Key ID: E988B49EE78A7FB1
4 changed files with 70 additions and 71 deletions
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1
src/board/system76/galp3-c/include/board/pmc.h
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@ -4,5 +4,6 @@
#include <ec/pmc.h>
void pmc_init(void);
void pmc_event(struct Pmc * pmc);
#endif // _BOARD_PMC_H

69
src/board/system76/galp3-c/pmc.c
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@ -1,6 +1,75 @@
#include <board/acpi.h>
#include <board/pmc.h>
#include <common/debug.h>
void pmc_init(void) {
*(PMC_1.control) = 0x41;
*(PMC_2.control) = 0x41;
}
#define PMC_TIMEOUT 1000
enum PmcState {
PMC_STATE_DEFAULT,
PMC_STATE_ACPI_READ,
PMC_STATE_ACPI_WRITE,
PMC_STATE_ACPI_WRITE_ADDR,
};
void pmc_event(struct Pmc * pmc) {
static enum PmcState state = PMC_STATE_DEFAULT;
static uint8_t state_data[2] = {0, 0};
uint8_t sts = pmc_status(pmc);
if (sts & PMC_STS_IBF) {
uint8_t data = pmc_read(pmc);
if (sts & PMC_STS_CMD) {
DEBUG("pmc cmd: %02X\n", data);
state = PMC_STATE_DEFAULT;
switch (data) {
case 0x80:
state = PMC_STATE_ACPI_READ;
break;
case 0x81:
state = PMC_STATE_ACPI_WRITE;
break;
case 0x82:
DEBUG(" burst enable\n");
// TODO: figure out what burst is
pmc_write(pmc, 0x90, PMC_TIMEOUT);
break;
case 0x83:
DEBUG(" burst disable\n");
// TODO: figure out what burst is
break;
case 0x84:
DEBUG(" SCI queue\n");
// TODO: queue is always empty
pmc_write(pmc, 0, PMC_TIMEOUT);
break;
}
} else {
DEBUG("pmc data: %02X\n", data);
switch (state) {
case PMC_STATE_ACPI_READ:
state = PMC_STATE_DEFAULT;
uint8_t value = acpi_read(data);
pmc_write(pmc, value, PMC_TIMEOUT);
break;
case PMC_STATE_ACPI_WRITE:
state = PMC_STATE_ACPI_WRITE_ADDR;
state_data[0] = data;
break;
case PMC_STATE_ACPI_WRITE_ADDR:
state = PMC_STATE_DEFAULT;
acpi_write(state_data[0], data);
break;
default:
state = PMC_STATE_DEFAULT;
break;
}
}
}
}

2
src/ec/it8587e/include/ec/pmc.h
View File

@ -26,8 +26,6 @@ uint8_t pmc_status(struct Pmc * pmc);
uint8_t pmc_read(struct Pmc * pmc);
bool pmc_write(struct Pmc * pmc, uint8_t data, int timeout);
void pmc_event(struct Pmc * pmc);
volatile uint8_t __xdata __at(0x1500) PM1STS;
volatile uint8_t __xdata __at(0x1501) PM1DO;
volatile uint8_t __xdata __at(0x1504) PM1DI;

69
src/ec/it8587e/pmc.c
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@ -1,5 +1,3 @@
#include <board/acpi.h>
#include <common/debug.h>
#include <ec/pmc.h>
#define PMC(NUM) { \
@ -33,70 +31,3 @@ bool pmc_write(struct Pmc * pmc, uint8_t data, int timeout) {
*(pmc->data_out) = data;
return true;
}
#define PMC_TIMEOUT 1000
enum PmcState {
PMC_STATE_DEFAULT,
PMC_STATE_ACPI_READ,
PMC_STATE_ACPI_WRITE,
PMC_STATE_ACPI_WRITE_ADDR,
};
void pmc_event(struct Pmc * pmc) {
static enum PmcState state = PMC_STATE_DEFAULT;
static uint8_t state_data[2] = {0, 0};
uint8_t sts = pmc_status(pmc);
if (sts & PMC_STS_IBF) {
uint8_t data = pmc_read(pmc);
if (sts & PMC_STS_CMD) {
DEBUG("pmc cmd: %02X\n", data);
state = PMC_STATE_DEFAULT;
switch (data) {
case 0x80:
state = PMC_STATE_ACPI_READ;
break;
case 0x81:
state = PMC_STATE_ACPI_WRITE;
break;
case 0x82:
DEBUG(" burst enable\n");
// TODO: figure out what burst is
pmc_write(pmc, 0x90, PMC_TIMEOUT);
break;
case 0x83:
DEBUG(" burst disable\n");
// TODO: figure out what burst is
break;
case 0x84:
DEBUG(" SCI queue\n");
// TODO: queue is always empty
pmc_write(pmc, 0, PMC_TIMEOUT);
break;
}
} else {
DEBUG("pmc data: %02X\n", data);
switch (state) {
case PMC_STATE_ACPI_READ:
state = PMC_STATE_DEFAULT;
uint8_t value = acpi_read(data);
pmc_write(pmc, value, PMC_TIMEOUT);
break;
case PMC_STATE_ACPI_WRITE:
state = PMC_STATE_ACPI_WRITE_ADDR;
state_data[0] = data;
break;
case PMC_STATE_ACPI_WRITE_ADDR:
state = PMC_STATE_DEFAULT;
acpi_write(state_data[0], data);
break;
default:
state = PMC_STATE_DEFAULT;
break;
}
}
}
}