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gpio: parse config file

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The GPIO numbers are now moved to the config file instead of being 
hardcoded.
This commit is contained in:
Arnaud Ferraris
2021-02-20 15:39:03 +01:00
parent f276d9cf9e
commit cfbbbd0167
1 changed files with 23 additions and 34 deletions
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57
src/gpio.c
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@@ -22,35 +22,12 @@ enum {
GPIO_OUT_COUNT GPIO_OUT_COUNT
}; };
static unsigned gpio_out_idx_bh[] = {
358,
35,
68,
231,
232
};
static unsigned gpio_out_idx_ce[] = {
34,
35,
68,
231,
232
};
enum { enum {
GPIO_IN_STATUS = 0, GPIO_IN_STATUS = 0,
GPIO_IN_COUNT GPIO_IN_COUNT
}; };
static unsigned gpio_in_idx_bh[] = {
GPIO_IDX_INVAL,
};
static unsigned gpio_in_idx_ce[] = {
233,
};
int gpio_sequence_poweron(struct EG25Manager *manager) int gpio_sequence_poweron(struct EG25Manager *manager)
{ {
gpiod_line_set_value(manager->gpio_out[GPIO_OUT_PWRKEY], 1); gpiod_line_set_value(manager->gpio_out[GPIO_OUT_PWRKEY], 1);
@@ -92,11 +69,24 @@ int gpio_sequence_resume(struct EG25Manager *manager)
return 0; return 0;
} }
static guint get_config_gpio(toml_table_t *config, const char *id)
{
toml_datum_t value = toml_int_in(config, id);
guint gpio;
if (!value.ok)
return GPIO_IDX_INVAL;
gpio = (guint)value.u.i;
return gpio;
}
int gpio_init(struct EG25Manager *manager, toml_table_t *config) int gpio_init(struct EG25Manager *manager, toml_table_t *config)
{ {
int i, ret; int i, ret;
unsigned *gpio_in_idx; guint gpio_out_idx[GPIO_OUT_COUNT];
unsigned *gpio_out_idx; guint gpio_in_idx[GPIO_IN_COUNT];
manager->gpiochip[0] = gpiod_chip_open_by_label(GPIO_CHIP1_LABEL); manager->gpiochip[0] = gpiod_chip_open_by_label(GPIO_CHIP1_LABEL);
if (!manager->gpiochip[0]) { if (!manager->gpiochip[0]) {
@@ -110,16 +100,15 @@ int gpio_init(struct EG25Manager *manager, toml_table_t *config)
return 1; return 1;
} }
if (manager->braveheart) { gpio_out_idx[GPIO_OUT_DTR] = get_config_gpio(config, "dtr");
gpio_in_idx = gpio_in_idx_bh; gpio_out_idx[GPIO_OUT_PWRKEY] = get_config_gpio(config, "pwrkey");
gpio_out_idx = gpio_out_idx_bh; gpio_out_idx[GPIO_OUT_RESET] = get_config_gpio(config, "reset");
} else { gpio_out_idx[GPIO_OUT_APREADY] = get_config_gpio(config, "apready");
gpio_in_idx = gpio_in_idx_ce; gpio_out_idx[GPIO_OUT_DISABLE] = get_config_gpio(config, "disable");
gpio_out_idx = gpio_out_idx_ce; gpio_in_idx[GPIO_IN_STATUS] = get_config_gpio(config, "status");
}
for (i = 0; i < GPIO_OUT_COUNT; i++) { for (i = 0; i < GPIO_OUT_COUNT; i++) {
unsigned int offset, chipidx; guint offset, chipidx;
if (gpio_out_idx[i] < MAX_GPIOCHIP_LINES) { if (gpio_out_idx[i] < MAX_GPIOCHIP_LINES) {
offset = gpio_out_idx[i]; offset = gpio_out_idx[i];
@@ -143,7 +132,7 @@ int gpio_init(struct EG25Manager *manager, toml_table_t *config)
} }
for (i = 0; i < GPIO_IN_COUNT; i++) { for (i = 0; i < GPIO_IN_COUNT; i++) {
unsigned int offset, chipidx; guint offset, chipidx;
if (gpio_in_idx[i] == GPIO_IDX_INVAL) if (gpio_in_idx[i] == GPIO_IDX_INVAL)
continue; continue;