/* ------------------------------------------------------------------------*//**
* @FUNCTION voltdm_por_nominal_voltage_get
* @BRIEF return the nominal voltage to be supplied to a
* voltage domain, as defined in Data Manual.
* @RETURNS nominal voltage in micro-volt (> 0) in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @param[in] opp: OPP provided as a string (as defined in opp.h)
* @DESCRIPTION return the nominal voltage to be supplied to a
* voltage domain, as defined in Data Manual.
* Not read from the platform, but from internal tables.
*//*------------------------------------------------------------------------ */
int voltdm_por_nominal_voltage_get(const char *voltdm, const char *opp)
{
int vdd_id, opp_id;
CHECK_NULL_ARG(voltdm, OMAPCONF_ERR_ARG);
voltdm_init();
vdd_id = voltdm_s2id(voltdm);
if (vdd_id < 0)
return OMAPCONF_ERR_ARG;
opp_id = opp_s2id(opp);
if (opp_id < 0)
return opp_id;
if (cpu_is_omap44xx()) {
return v2uv(voltdm44xx_por_nominal_voltage_get(
(voltdm44xx_id) vdd_id, (opp44xx_id) opp_id));
} else if (cpu_is_omap54xx()) {
return v2uv(voltdm54xx_por_nominal_voltage_get(
(voltdm54xx_id) vdd_id, (opp54xx_id) opp_id));
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
return OMAPCONF_ERR_CPU;
}
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION voltdm_voltage_get
* @BRIEF return the current voltage supplied to a voltage domain.
* @RETURNS supplied voltage in micro-volt (> 0) in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_REG_ACCESS
* OMAPCONF_ERR_NOT_AVAILABLE
* OMAPCONF_ERR_INTERNAL
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @DESCRIPTION return the current voltage supplied to a voltage domain.
*//*------------------------------------------------------------------------ */
int voltdm_voltage_get(const char *voltdm)
{
int id, ret;
double volt;
CHECK_NULL_ARG(voltdm, OMAPCONF_ERR_ARG);
voltdm_init();
id = voltdm_s2id(voltdm);
if (id < 0)
return (double) OMAPCONF_ERR_ARG;
if (cpu_is_omap44xx()) {
ret = voltdm44xx_get_voltage((voltdm44xx_id) id, &volt);
if (ret < 0)
return (double) ret;
else
return v2uv(volt);
} else if (cpu_is_omap54xx()) {
return v2uv(voltdm54xx_voltage_get((voltdm54xx_id) id));
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
return (double) OMAPCONF_ERR_CPU;
}
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION voltdm_nominal_voltage_get
* @BRIEF return the nominal voltage supplied to a voltage domain.
* @RETURNS nominal voltage in micro-volt (> 0) in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @DESCRIPTION return the nominal voltage supplied to a voltage domain.
* In case SmartReflex AVS Class3 is enabled,
* it may differ from the current supplied voltage.
*//*------------------------------------------------------------------------ */
int voltdm_nominal_voltage_get(const char *voltdm)
{
int id;
int uvolt;
CHECK_NULL_ARG(voltdm, OMAPCONF_ERR_ARG);
voltdm_init();
id = voltdm_s2id(voltdm);
if (id < 0) {
uvolt = OMAPCONF_ERR_ARG;
} else if (cpu_is_omap44xx()) {
uvolt = v2uv(voltdm44xx_nominal_voltage_get(
(voltdm44xx_id) id));
} else if (cpu_is_omap54xx()) {
uvolt = v2uv(voltdm54xx_nominal_voltage_get(
(voltdm54xx_id) id));
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
uvolt = OMAPCONF_ERR_CPU;
}
dprintf("%s(%s) = %duV\n", __func__, voltdm, uvolt);
return uvolt;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION temp_sensor_voltdm2sensor
* @BRIEF convert generic voltage domain name
* into generic temperature sensor name.
* @RETURNS temperature sensor name
* NULL if not available or in case of error
* @param[in] voltdm: voltage domain name
* @DESCRIPTION convert generic voltage domain name
* into generic temperature sensor name.
* To be used to generically retrieve the temperature
* sensor of a given voltage domain.
*//*------------------------------------------------------------------------ */
const char *temp_sensor_voltdm2sensor(const char *voltdm)
{
int vdd_id;
const char *sensor;
CHECK_NULL_ARG(voltdm, NULL);
vdd_id = voltdm_s2id(voltdm);
if (vdd_id < 0) {
sensor = NULL;
} else if (cpu_is_omap44xx()) {
switch (vdd_id) {
case OMAP4_VDD_MPU:
sensor = TEMP_SENSOR_HOTSPOT_MPU;
break;
case OMAP4_VDD_CORE:
sensor = TEMP_SENSOR_BANDGAP;
break;
default:
sensor = NULL;
}
} else if (cpu_is_omap54xx()) {
switch (vdd_id) {
case VDD54XX_MPU:
sensor = TEMP_SENSOR_MPU;
break;
case VDD54XX_MM:
sensor = TEMP_SENSOR_GPU;
break;
case VDD54XX_CORE:
sensor = TEMP_SENSOR_CORE;
break;
default:
sensor = NULL;
}
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
sensor = NULL;
}
dprintf("%s(%s) = %s\n", __func__, voltdm, sensor);
return sensor;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION opp_count_get
* @BRIEF return the number of OPP(s) of a given voltage domain
* @RETURNS number of OPP(s) (> 0) in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @DESCRIPTION return the number of OPP(s) of a given voltage domain
*//*------------------------------------------------------------------------ */
int opp_count_get(const char *voltdm)
{
int vdd_id;
CHECK_NULL_ARG(voltdm, OMAPCONF_ERR_ARG);
opp_init();
vdd_id = voltdm_s2id(voltdm);
if (vdd_id < 0)
return OMAPCONF_ERR_ARG;
if (cpu_is_omap44xx()) {
return opp44xx_count_get((voltdm44xx_id) vdd_id);
} else if (cpu_is_omap54xx()) {
return opp54xx_count_get((voltdm54xx_id) vdd_id);
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
return OMAPCONF_ERR_CPU;
}
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION opp_list_get
* @BRIEF return the list of OPP of a given voltage domain
* @RETURNS list of OPP of a given voltage domain in case of success
* NULL in case of error
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @DESCRIPTION return the list of OPP of a given voltage domain
*//*------------------------------------------------------------------------ */
const genlist *opp_list_get(const char *voltdm)
{
int vdd_id;
CHECK_NULL_ARG(voltdm, NULL);
opp_init();
vdd_id = voltdm_s2id(voltdm);
if (vdd_id < 0)
return NULL;
if (cpu_is_omap44xx()) {
return opp44xx_list_get((voltdm44xx_id) vdd_id);
} else if (cpu_is_omap54xx()) {
return opp54xx_list_get((voltdm54xx_id) vdd_id);
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
return NULL;
}
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION voltdm_voltage_set
* @BRIEF set the voltage supplied to a voltage domain.
* @RETURNS 0 in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_REG_ACCESS
* OMAPCONF_ERR_NOT_AVAILABLE
* OMAPCONF_ERR_UNEXPECTED
* OMAPCONF_ERR_INTERNAL
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @param[in] uv: new voltage to be set (in micro-volt)
* @DESCRIPTION return the current voltage supplied to a voltage domain.
*//*------------------------------------------------------------------------ */
int voltdm_voltage_set(const char *voltdm, int uv)
{
int id;
CHECK_NULL_ARG(voltdm, OMAPCONF_ERR_ARG);
voltdm_init();
id = voltdm_s2id(voltdm);
if (id < 0)
return (double) OMAPCONF_ERR_ARG;
if (cpu_is_omap44xx()) {
return sr44xx_voltage_set(
(unsigned int) id, (unsigned long) uv);
} else if (cpu_is_omap54xx()) {
return voltdm54xx_voltage_set(
(voltdm54xx_id) id, (unsigned long) uv);
} else {
fprintf(stderr,
"omapconf: %s(): cpu not supported!!!\n", __func__);
return OMAPCONF_ERR_CPU;
}
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION opp_by_rate_get
* @BRIEF return the current voltage domain OPP name,
* searched by clock rates.
* @RETURNS current voltage domain OPP name (as defined in opp.h)
* NULL pointer in case of error
* @param[in] voltdm: voltage domain name (as defined in voltdm.h)
* @param[in] quiet: if == 0, print warning message when OPP
* could not be found
* @DESCRIPTION return the current voltage domain OPP,
* searched by clock rates.
*//*------------------------------------------------------------------------ */
const char *opp_by_rate_get(const char *voltdm, unsigned short quiet)
{
const char *opp = NULL;
int vdd_id;
CHECK_NULL_ARG(voltdm, NULL);
opp_init();
vdd_id = voltdm_s2id(voltdm);
if (vdd_id < 0)
return NULL;
if (cpu_is_omap44xx()) {
opp = opp44xx_by_rate_get(vdd_id);
} else if (cpu_is_omap54xx()) {
opp = opp54xx_by_rate_get(vdd_id);
} else {
fprintf(stderr, "omapconf: %s(): cpu not supported!!!\n",
__func__);
opp = NULL;
}
if ((quiet == 0) && (opp == NULL))
fprintf(stdout,
"omapconf: warning: no matching rate for %s OPP. Please check rates against Data Manual recommendations.\n",
voltdm);
#ifdef OPP_DEBUG
if (opp != NULL)
printf("%s(%s): found %s OPP\n", __func__, voltdm, opp);
else
printf("%s(%s): OPP not found!\n", __func__, voltdm);
#endif
return opp;
}