static void
bcmrng_get(struct bcm2835rng_softc *sc)
{
uint32_t status, cnt;
uint32_t buf[RNG_DATA_MAX]; /* 1k on the stack */
mutex_spin_enter(&sc->sc_intr_lock);
while (sc->sc_bytes_wanted) {
status = bus_space_read_4(sc->sc_iot, sc->sc_ioh, RNG_STATUS);
cnt = __SHIFTOUT(status, RNG_STATUS_CNT);
KASSERT(cnt < RNG_DATA_MAX);
if (cnt == 0)
continue; /* XXX Busy-waiting seems wrong... */
bus_space_read_multi_4(sc->sc_iot, sc->sc_ioh, RNG_DATA, buf,
cnt);
/*
* This lock dance is necessary because rnd_add_data
* may call bcmrng_get_cb which takes the intr lock.
*/
mutex_spin_exit(&sc->sc_intr_lock);
mutex_spin_enter(&sc->sc_rnd_lock);
rnd_add_data(&sc->sc_rndsource, buf, (cnt * 4),
(cnt * 4 * NBBY));
mutex_spin_exit(&sc->sc_rnd_lock);
mutex_spin_enter(&sc->sc_intr_lock);
sc->sc_bytes_wanted -= MIN(sc->sc_bytes_wanted, (cnt * 4));
}
explicit_memset(buf, 0, sizeof(buf));
mutex_spin_exit(&sc->sc_intr_lock);
}
__stdcall static void
hal_readport_buf_ulong(uint32_t *port, uint32_t *val, uint32_t cnt)
{
bus_space_read_multi_4(NDIS_BUS_SPACE_IO, 0x0,
(bus_size_t)port, val, cnt);
return;
}
u_char
ppc_io(device_t ppcdev, int iop, u_char *addr, int cnt, u_char byte)
{
struct ppc_data *ppc = DEVTOSOFTC(ppcdev);
switch (iop) {
case PPB_OUTSB_EPP:
bus_space_write_multi_1(ppc->bst, ppc->bsh, PPC_EPP_DATA, addr, cnt);
break;
case PPB_OUTSW_EPP:
bus_space_write_multi_2(ppc->bst, ppc->bsh, PPC_EPP_DATA, (u_int16_t *)addr, cnt);
break;
case PPB_OUTSL_EPP:
bus_space_write_multi_4(ppc->bst, ppc->bsh, PPC_EPP_DATA, (u_int32_t *)addr, cnt);
break;
case PPB_INSB_EPP:
bus_space_read_multi_1(ppc->bst, ppc->bsh, PPC_EPP_DATA, addr, cnt);
break;
case PPB_INSW_EPP:
bus_space_read_multi_2(ppc->bst, ppc->bsh, PPC_EPP_DATA, (u_int16_t *)addr, cnt);
break;
case PPB_INSL_EPP:
bus_space_read_multi_4(ppc->bst, ppc->bsh, PPC_EPP_DATA, (u_int32_t *)addr, cnt);
break;
case PPB_RDTR:
return (r_dtr(ppc));
case PPB_RSTR:
return (r_str(ppc));
case PPB_RCTR:
return (r_ctr(ppc));
case PPB_REPP_A:
return (r_epp_A(ppc));
case PPB_REPP_D:
return (r_epp_D(ppc));
case PPB_RECR:
return (r_ecr(ppc));
case PPB_RFIFO:
return (r_fifo(ppc));
case PPB_WDTR:
w_dtr(ppc, byte);
break;
case PPB_WSTR:
w_str(ppc, byte);
break;
case PPB_WCTR:
w_ctr(ppc, byte);
break;
case PPB_WEPP_A:
w_epp_A(ppc, byte);
break;
case PPB_WEPP_D:
w_epp_D(ppc, byte);
break;
case PPB_WECR:
w_ecr(ppc, byte);
break;
case PPB_WFIFO:
w_fifo(ppc, byte);
break;
default:
panic("%s: unknown I/O operation", __func__);
break;
}
return (0); /* not significative */
}
void
itherm_refresh_sensor_data(struct itherm_softc *sc)
{
u_int16_t data;
int64_t energy;
u_int32_t i;
/* Thermometer sensor */
sc->sensors[ITHERM_SENSOR_THERMOMETER].value =
IREAD1(sc, ITHERM_TSTR);
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_THERMOMETER]);
/*
* The Intel 3400 Thermal Sensor has separate sensors for each
* core, reported as a 16 bit value. Bits 13:6 are the integer
* part of the temperature in C and bits 5:0 are the fractional
* part of the temperature, in 1/64 degree C intervals.
* Bit 15 is used to indicate an invalid temperature
*/
/* Core 1 temperature */
data = IREAD2(sc, ITHERM_CTV1);
if (data & ITHERM_CTV_INVALID)
sc->sensors[ITHERM_SENSOR_CORETEMP1].flags |=
SENSOR_FINVALID;
else {
sc->sensors[ITHERM_SENSOR_CORETEMP1].flags &=
~SENSOR_FINVALID;
sc->sensors[ITHERM_SENSOR_CORETEMP1].value =
(data & ITHERM_CTV_INT_MASK) >> 6;
sc->sensors[ITHERM_SENSOR_CORETEMP1].value *=
1000000;
data &= ITHERM_CTV_FRAC_MASK;
data *= 1000000 / 64;
sc->sensors[ITHERM_SENSOR_CORETEMP1].value +=
data;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_CORETEMP1]);
}
/* Core 2 temperature */
data = IREAD2(sc, ITHERM_CTV2);
if (data & ITHERM_CTV_INVALID)
sc->sensors[ITHERM_SENSOR_CORETEMP2].flags |=
SENSOR_FINVALID;
else {
sc->sensors[ITHERM_SENSOR_CORETEMP2].flags &=
~SENSOR_FINVALID;
sc->sensors[ITHERM_SENSOR_CORETEMP2].value =
(data & ITHERM_CTV_INT_MASK) >> 6;
sc->sensors[ITHERM_SENSOR_CORETEMP2].value *=
1000000;
data &= ITHERM_CTV_FRAC_MASK;
data *= 1000000 / 64;
sc->sensors[ITHERM_SENSOR_CORETEMP2].value +=
data;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_CORETEMP2]);
}
/*
* The core energy sensor reports the number of Joules
* of energy consumed by the processor since powerup.
* This number is scaled by 65535 and is continually
* increasing, so we save the old value and compute
* the difference for the Watt sensor value.
*/
i = IREAD4(sc, ITHERM_CEV1);
/* Convert to Joules per interval */
energy = (i / 65535);
energy = energy - sc->energy_prev;
sc->energy_prev = (i / 65535);
/* Convert to Joules per second */
energy = energy / ITHERM_REFRESH_INTERVAL;
/* Convert to micro Joules per second (micro Watts) */
energy = energy * 1000 * 1000;
sc->sensors[ITHERM_SENSOR_COREENERGY].value = energy;
/*
* XXX - the GPU temp is reported as a 64 bit value with no
* documented structure. Disabled for now
*/
sc->sensors[ITHERM_SENSOR_GPUTEMP].flags |= SENSOR_FINVALID;
#if 0
bus_space_read_multi_4(sc->iot, sc->ioh, ITHERM_MGTV,
(u_int32_t *)&sc->sensors[ITHERM_SENSOR_GPUTEMP].value, 2);
sc->sensors[ITHERM_SENSOR_GPUTEMP].value *= 1000000;
sc->sensors[ITHERM_SENSOR_GPUTEMP].value += 273150000;
#endif
/* Max processor temperature */
sc->sensors[ITHERM_SENSOR_MAXPROCTEMP].value =
IREAD1(sc, ITHERM_PTV) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_MAXPROCTEMP]);
/* DIMM 1 */
sc->sensors[ITHERM_SENSOR_DIMMTEMP1].value =
IREAD1(sc, ITHERM_DTV) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_DIMMTEMP1]);
/* DIMM 2 */
sc->sensors[ITHERM_SENSOR_DIMMTEMP2].value =
IREAD1(sc, ITHERM_DTV+1) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_DIMMTEMP2]);
/* DIMM 3 */
sc->sensors[ITHERM_SENSOR_DIMMTEMP3].value =
IREAD1(sc, ITHERM_DTV+2) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_DIMMTEMP3]);
/* DIMM 4 */
sc->sensors[ITHERM_SENSOR_DIMMTEMP4].value =
IREAD1(sc, ITHERM_DTV+3) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_DIMMTEMP4]);
/* GPU Temperature */
sc->sensors[ITHERM_SENSOR_GPUTEMP_ABSOLUTE].value =
IREAD1(sc, ITHERM_ITV+1) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_GPUTEMP_ABSOLUTE]);
/* PCH Temperature */
sc->sensors[ITHERM_SENSOR_PCHTEMP_ABSOLUTE].value =
IREAD1(sc, ITHERM_ITV) * 1000000;
itherm_bias_temperature_sensor(
&sc->sensors[ITHERM_SENSOR_PCHTEMP_ABSOLUTE]);
}
void
bs_through_bs_rm_4(bus_space_tag_t t, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t *addr, bus_size_t count)
{
bus_space_read_multi_4(t->bs_base, bsh, offset, addr, count);
}