uint sd_sdmode = SDIOH_MODE_SD4; /* Use SD4 mode by default */
uint sd_f2_blocksize = 512; /* Default blocksize */
-uint sd_divisor = 2; /* Default 48MHz/2 = 24MHz */
-
uint sd_power = 1; /* Default to SD Slot powered ON */
uint sd_clock = 1; /* Default to SD Clock turned ON */
uint sd_hiok = false; /* Don't use hi-speed mode by default */
IOV_USEINTS,
IOV_NUMINTS,
IOV_DEVREG,
- IOV_DIVISOR,
IOV_SDMODE,
IOV_HISPEED,
IOV_HCIREGS,
{"sd_numints", IOV_NUMINTS, 0, IOVT_UINT32, 0},
{"sd_devreg", IOV_DEVREG, 0, IOVT_BUFFER, sizeof(sdreg_t)}
,
- {"sd_divisor", IOV_DIVISOR, 0, IOVT_UINT32, 0}
- ,
{"sd_power", IOV_POWER, 0, IOVT_UINT32, 0}
,
{"sd_clock", IOV_CLOCK, 0, IOVT_UINT32, 0}
break;
- case IOV_GVAL(IOV_DIVISOR):
- int_val = (u32) sd_divisor;
- memcpy(arg, &int_val, val_size);
- break;
-
- case IOV_SVAL(IOV_DIVISOR):
- sd_divisor = int_val;
- break;
-
case IOV_GVAL(IOV_POWER):
int_val = (u32) sd_power;
memcpy(arg, &int_val, val_size);
s32 idletime; /* Control for activity timeout */
s32 idlecount; /* Activity timeout counter */
s32 idleclock; /* How to set bus driver when idle */
- s32 sd_divisor; /* Speed control to bus driver */
s32 sd_mode; /* Mode control to bus driver */
s32 sd_rxchain; /* If bcmsdh api accepts PKT chains */
bool use_rxchain; /* If dhd should use PKT chains */
__func__, err));
return -EBADE;
}
- } else if (bus->idleclock != DHD_IDLE_ACTIVE) {
- /* Restore clock speed */
- iovalue = bus->sd_divisor;
- err = bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0,
- &iovalue, sizeof(iovalue), true);
- if (err) {
- DHD_ERROR(("%s: error restoring sd_divisor: %d\n",
- __func__, err));
- return -EBADE;
- }
}
bus->clkstate = CLK_SDONLY;
} else {
/* Stop or slow the SD clock itself */
- if ((bus->sd_divisor == -1) || (bus->sd_mode == -1)) {
- DHD_TRACE(("%s: can't idle clock, divisor %d mode %d\n",
- __func__, bus->sd_divisor, bus->sd_mode));
+ if (bus->sd_mode == -1) {
+ DHD_TRACE(("%s: can't idle clock, mode %d\n",
+ __func__, bus->sd_mode));
return -EBADE;
}
if (bus->idleclock == DHD_IDLE_STOP) {
__func__, err));
return -EBADE;
}
- } else if (bus->idleclock != DHD_IDLE_ACTIVE) {
- /* Set divisor to idle value */
- iovalue = bus->idleclock;
- err = bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0,
- &iovalue, sizeof(iovalue), true);
- if (err) {
- DHD_ERROR(("%s: error changing sd_divisor: %d\n",
- __func__, err));
- return -EBADE;
- }
}
bus->clkstate = CLK_NONE;
}
/* Check for bus configuration changes of interest */
- /* If it was divisor change, read the new one */
- if (set && strcmp(name, "sd_divisor") == 0) {
- if (bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0,
- &bus->sd_divisor, sizeof(s32),
- false) != 0) {
- bus->sd_divisor = -1;
- DHD_ERROR(("%s: fail on %s get\n", __func__,
- name));
- } else {
- DHD_INFO(("%s: noted %s update, value now %d\n",
- __func__, name, bus->sd_divisor));
- }
- }
/* If it was a mode change, read the new one */
if (set && strcmp(name, "sd_mode") == 0) {
if (bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0,
bus->idletime = (s32) dhd_idletime;
bus->idleclock = DHD_IDLE_ACTIVE;
- /* Query the SD clock speed */
- if (bcmsdh_iovar_op(sdh, "sd_divisor", NULL, 0,
- &bus->sd_divisor, sizeof(s32),
- false) != 0) {
- DHD_ERROR(("%s: fail on %s get\n", __func__, "sd_divisor"));
- bus->sd_divisor = -1;
- } else {
- DHD_INFO(("%s: Initial value for %s is %d\n",
- __func__, "sd_divisor", bus->sd_divisor));
- }
-
/* Query the SD bus mode */
if (bcmsdh_iovar_op(sdh, "sd_mode", NULL, 0,
&bus->sd_mode, sizeof(s32), false) != 0) {