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wctdm24xxp: Name the shadow registers for each modules.

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Saved me time when reading the code so I don't have to lookup which position
in the index is what register for each of the modules.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10165 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell 2011-08-30 16:38:19 +00:00
parent 32bb7d4c10
commit a2aba65e0c
2 changed files with 35 additions and 24 deletions
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52
drivers/dahdi/wctdm24xxp/base.c
View File

@ -1025,11 +1025,16 @@ static void _cmd_decipher(struct wctdm *wc, const u8 *eframe, int card)
switch (mod->type) {
case FXS:
mod->isrshadow[(68 == address) ? 0 : 1] = value;
if (68 == address)
mod->mod.fxs.hook_state_shadow = value;
else
mod->mod.fxs.linefeed_control_shadow = value;
break;
case FXO:
/* 5 = Hook/Ring 29 = Battery */
mod->isrshadow[(5 == address) ? 0 : 1] = value;
if (5 == address)
mod->mod.fxo.hook_ring_shadow = value;
else
mod->mod.fxo.line_voltage_status = value;
break;
case QRV:
/* wctdm_isr_getreg(wc, mod, 3); */ /* COR/CTCSS state */
@ -1649,7 +1654,6 @@ static void
wctdm_proslic_check_oppending(struct wctdm *wc, struct wctdm_module *const mod)
{
struct fxs *const fxs = &mod->mod.fxs;
int res;
if (!(fxs->lasttxhook & SLIC_LF_OPPENDING))
return;
@ -1657,20 +1661,22 @@ wctdm_proslic_check_oppending(struct wctdm *wc, struct wctdm_module *const mod)
/* Monitor the Pending LF state change, for the next 100ms */
spin_lock(&wc->reglock);
if (!(fxs->lasttxhook & SLIC_LF_OPPENDING)) {
spin_unlock(&wc->reglock);
return;
}
res = mod->isrshadow[1];
if ((res & SLIC_LF_SETMASK) == (fxs->lasttxhook & SLIC_LF_SETMASK)) {
if ((fxs->linefeed_control_shadow & SLIC_LF_SETMASK) ==
(fxs->lasttxhook & SLIC_LF_SETMASK)) {
fxs->lasttxhook &= SLIC_LF_SETMASK;
fxs->oppending_ms = 0;
if (debug & DEBUG_CARD) {
dev_info(&wc->vb.pdev->dev,
"SLIC_LF OK: card=%d shadow=%02x "
"lasttxhook=%02x framecount=%ld\n", mod->card,
res, fxs->lasttxhook, wc->framecount);
fxs->linefeed_control_shadow,
fxs->lasttxhook, wc->framecount);
}
} else if (fxs->oppending_ms && (--fxs->oppending_ms == 0)) {
wctdm_setreg_intr(wc, mod, LINE_STATE, fxs->lasttxhook);
@ -1678,7 +1684,8 @@ wctdm_proslic_check_oppending(struct wctdm *wc, struct wctdm_module *const mod)
dev_info(&wc->vb.pdev->dev,
"SLIC_LF RETRY: card=%d shadow=%02x "
"lasttxhook=%02x framecount=%ld\n", mod->card,
res, fxs->lasttxhook, wc->framecount);
fxs->linefeed_control_shadow,
fxs->lasttxhook, wc->framecount);
}
} else { /* Start 100ms Timeout */
fxs->oppending_ms = 100;
@ -1710,9 +1717,9 @@ wctdm_proslic_recheck_sanity(struct wctdm *wc, struct wctdm_module *const mod)
}
#else
spin_lock(&wc->reglock);
res = mod->isrshadow[1];
res = !res && /* reg 64 has to be zero at last isr read */
/* reg 64 has to be zero at last isr read */
res = !fxs->linefeed_control_shadow &&
!(fxs->lasttxhook & SLIC_LF_OPPENDING) && /* not a transition */
fxs->lasttxhook; /* not an intended zero */
@ -1730,8 +1737,9 @@ wctdm_proslic_recheck_sanity(struct wctdm *wc, struct wctdm_module *const mod)
fxs->lasttxhook |= SLIC_LF_OPPENDING;
mod->sethook = CMD_WR(LINE_STATE, fxs->lasttxhook);
/* Update shadow register to avoid extra power alarms until next read */
mod->isrshadow[1] = fxs->lasttxhook;
/* Update shadow register to avoid extra power alarms
* until next read */
fxs->linefeed_control_shadow = fxs->lasttxhook;
} else {
if (fxs->palarms == MAX_ALARMS) {
dev_notice(&wc->vb.pdev->dev,
@ -1751,7 +1759,7 @@ static void wctdm_qrvdri_check_hook(struct wctdm *wc, int card)
if (wc->mods[card].mod.qrv.debtime >= 2)
wc->mods[card].mod.qrv.debtime--;
b = wc->mods[qrvcard].isrshadow[0]; /* Hook/Ring state */
b = wc->mods[qrvcard].mod.qrv.isrshadow[0]; /* Hook/Ring state */
b &= 0xcc; /* use bits 3-4 and 6-7 only */
if (wc->mods[qrvcard].mod.qrv.radmode & RADMODE_IGNORECOR)
@ -1823,7 +1831,7 @@ wctdm_voicedaa_check_hook(struct wctdm *wc, struct wctdm_module *const mod)
struct fxo *const fxo = &mod->mod.fxo;
/* Try to track issues that plague slot one FXO's */
b = mod->isrshadow[0]; /* Hook/Ring state */
b = fxo->hook_ring_shadow;
b &= 0x9b;
if (fxo->offhook) {
if (b != 0x9)
@ -1843,7 +1851,7 @@ wctdm_voicedaa_check_hook(struct wctdm *wc, struct wctdm_module *const mod)
* but not to have transitions between the two bits (i.e. no negative
* to positive or positive to negative transversals )
*/
res = mod->isrshadow[0] & 0x60;
res = fxo->hook_ring_shadow & 0x60;
if (0 == fxo->wasringing) {
if (res) {
/* Look for positive/negative crossings in ring status reg */
@ -1881,7 +1889,7 @@ wctdm_voicedaa_check_hook(struct wctdm *wc, struct wctdm_module *const mod)
}
}
} else {
res = mod->isrshadow[0];
res = fxo->hook_ring_shadow;
if ((res & 0x60) && (fxo->battery == BATTERY_PRESENT)) {
fxo->ringdebounce += (DAHDI_CHUNKSIZE * 16);
if (fxo->ringdebounce >= DAHDI_CHUNKSIZE * ringdebounce) {
@ -1909,7 +1917,7 @@ wctdm_voicedaa_check_hook(struct wctdm *wc, struct wctdm_module *const mod)
}
}
b = mod->isrshadow[1]; /* Voltage */
b = fxo->line_voltage_status;
abs_voltage = abs(b);
if (fxovoltage && time_after(wc->framecount, fxo->display_fxovoltage)) {
@ -2240,7 +2248,7 @@ wctdm_proslic_check_hook(struct wctdm *wc, struct wctdm_module *const mod)
/* For some reason we have to debounce the
hook detector. */
res = mod->isrshadow[0]; /* Hook state */
res = fxs->hook_state_shadow;
hook = (res & 1);
if (hook != fxs->lastrxhook) {
@ -3387,10 +3395,10 @@ wctdm_init_proslic(struct wctdm *wc, struct wctdm_module *const mod,
fxs->lasttxhook = fxs->idletxhookstate;
wctdm_setreg(wc, mod, LINE_STATE, fxs->lasttxhook);
/* Preset the isrshadow register so that we won't get a power alarm
* when we finish initialization, otherwise the line state register
* may not have been read yet. */
mod->isrshadow[1] = fxs->lasttxhook;
/* Preset the shadow register so that we won't get a power alarm when
* we finish initialization, otherwise the line state register may not
* have been read yet. */
fxs->linefeed_control_shadow = fxs->lasttxhook;
return 0;
}

7
drivers/dahdi/wctdm24xxp/wctdm24xxp.h
View File

@ -85,7 +85,6 @@
#define NUM_CAL_REGS 12
#define ISR_COMMANDS 2
#define QRV_DEBOUNCETIME 20
#define VPM150M_HPI_CONTROL 0x00
@ -162,6 +161,8 @@ struct fxo {
unsigned int neonmwi_debounce;
unsigned int neonmwi_offcounter;
unsigned long display_fxovoltage;
u8 hook_ring_shadow;
s8 line_voltage_status;
};
struct fxs {
@ -182,6 +183,8 @@ struct fxs {
*/
int lasttxhook;
int oppending_ms;
u8 linefeed_control_shadow;
u8 hook_state_shadow;
int palarms;
struct dahdi_vmwi_info vmwisetting;
int vmwi_active_messages;
@ -206,6 +209,7 @@ struct qrv {
int radmode;
signed short rxgain;
signed short txgain;
u8 isrshadow[3];
};
enum module_type {
@ -230,7 +234,6 @@ struct wctdm_module {
struct list_head active_cmds;
u8 offsets[3];
u8 subaddr;
u8 isrshadow[ISR_COMMANDS];
u8 card;
enum module_type type;