Differential D30291 Diff 89612 sys/dev/mmc/mmc_fdt_helpers.c

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sys/dev/mmc/mmc_fdt_helpers.c

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#include <dev/gpio/gpiobusvar.h>		#include <dev/gpio/gpiobusvar.h>
#include <dev/ofw/ofw_bus.h>		#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>		#include <dev/ofw/ofw_bus_subr.h>

#ifdef EXT_RESOURCES		#ifdef EXT_RESOURCES
#include <dev/extres/regulator/regulator.h>		#include <dev/extres/regulator/regulator.h>
#endif		#endif

		#include "mmc_pwrseq_if.h"

static inline void		static inline void
mmc_fdt_parse_sd_speed(phandle_t node, struct mmc_host *host)		mmc_fdt_parse_sd_speed(phandle_t node, struct mmc_host *host)
{		{
bool no_18v = false;		bool no_18v = false;

/*		/*
* Parse SD supported modes		* Parse SD supported modes
* All UHS-I modes requires 1.8V signaling.		* All UHS-I modes requires 1.8V signaling.
▲ Show 20 Lines • Show All 361 Lines • ▼ Show 20 Lines	if (helper->wp_disabled)
return (false);		return (false);

if (helper->wp_pin == NULL)		if (helper->wp_pin == NULL)
return (false);		return (false);

gpio_pin_is_active(helper->wp_pin, &pinstate);		gpio_pin_is_active(helper->wp_pin, &pinstate);

return (pinstate ^ (helper->props & MMC_PROP_WP_INVERTED));		return (pinstate ^ (helper->props & MMC_PROP_WP_INVERTED));
		}

		void
		mmc_fdt_set_power(struct mmc_fdt_helper *helper, enum mmc_power_mode power_mode)
		{
		int reg_status;
		int rv;

		switch (power_mode) {
		case power_on:
		break;
		case power_off:
		if (helper->vmmc_supply) {
		rv = regulator_status(helper->vmmc_supply, &reg_status);
		if (rv == 0 && reg_status == REGULATOR_STATUS_ENABLED)
		regulator_disable(helper->vmmc_supply);
		}
		if (helper->vqmmc_supply) {
		rv = regulator_status(helper->vqmmc_supply, &reg_status);
		if (rv == 0 && reg_status == REGULATOR_STATUS_ENABLED)
		regulator_disable(helper->vqmmc_supply);
		}
		if (helper->mmc_pwrseq)
		MMC_PWRSEQ_SET_POWER(helper->mmc_pwrseq, false);
		break;
		case power_up:
		if (helper->vmmc_supply) {
		rv = regulator_status(helper->vmmc_supply, &reg_status);
		if (rv == 0 && reg_status != REGULATOR_STATUS_ENABLED)
		regulator_enable(helper->vmmc_supply);
		}
		if (helper->vqmmc_supply) {
		rv = regulator_status(helper->vqmmc_supply, &reg_status);
		if (rv == 0 && reg_status != REGULATOR_STATUS_ENABLED)
		regulator_enable(helper->vqmmc_supply);
		}
		if (helper->mmc_pwrseq)
		MMC_PWRSEQ_SET_POWER(helper->mmc_pwrseq, true);
		break;
		}
}		}