ALSA: ctxfi - Add PM support
Added the suspend/resume support to ctxfi driver.
The team tested on the following seems ok:
AMD Athlon 64 3500+ / ASUS A8N-E / 512MB DDR ATI / Radeon X1300
20k1 & 20k2 cards
Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index 32e3c26..a49c766 100644
--- a/sound/pci/ctxfi/ctatc.c
+++ b/sound/pci/ctxfi/ctatc.c
@@ -261,13 +261,8 @@
int device = apcm->substream->pcm->device;
unsigned int pitch;
- if (NULL != apcm->src) {
- /* Prepared pcm playback */
- return 0;
- }
-
/* first release old resources */
- atc->pcm_release_resources(atc, apcm);
+ atc_pcm_release_resources(atc, apcm);
/* Get SRC resource */
desc.multi = apcm->substream->runtime->channels;
@@ -661,10 +656,7 @@
unsigned int pitch;
int mix_base = 0, imp_base = 0;
- if (NULL != apcm->src) {
- /* Prepared pcm capture */
- return 0;
- }
+ atc_pcm_release_resources(atc, apcm);
/* Get needed resources. */
err = atc_pcm_capture_get_resources(atc, apcm);
@@ -867,7 +859,7 @@
struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
unsigned int rate = apcm->substream->runtime->rate;
unsigned int status;
- int err;
+ int err = 0;
unsigned char iec958_con_fs;
switch (rate) {
@@ -908,8 +900,7 @@
int err;
int i;
- if (NULL != apcm->src)
- return 0;
+ atc_pcm_release_resources(atc, apcm);
/* Configure SPDIFOO and PLL to passthrough mode;
* determine pll_rate. */
@@ -1116,32 +1107,20 @@
return err;
}
-static int ct_atc_destroy(struct ct_atc *atc)
+static int atc_release_resources(struct ct_atc *atc)
{
- struct daio_mgr *daio_mgr;
- struct dao *dao;
- struct dai *dai;
- struct daio *daio;
- struct sum_mgr *sum_mgr;
- struct src_mgr *src_mgr;
- struct srcimp_mgr *srcimp_mgr;
- struct srcimp *srcimp;
- struct ct_mixer *mixer;
- int i = 0;
+ int i;
+ struct daio_mgr *daio_mgr = NULL;
+ struct dao *dao = NULL;
+ struct dai *dai = NULL;
+ struct daio *daio = NULL;
+ struct sum_mgr *sum_mgr = NULL;
+ struct src_mgr *src_mgr = NULL;
+ struct srcimp_mgr *srcimp_mgr = NULL;
+ struct srcimp *srcimp = NULL;
+ struct ct_mixer *mixer = NULL;
- if (NULL == atc)
- return 0;
-
- if (atc->timer) {
- ct_timer_free(atc->timer);
- atc->timer = NULL;
- }
-
- /* Stop hardware and disable all interrupts */
- if (NULL != atc->hw)
- ((struct hw *)atc->hw)->card_stop(atc->hw);
-
- /* Destroy internal mixer objects */
+ /* disconnect internal mixer objects */
if (NULL != atc->mixer) {
mixer = atc->mixer;
mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
@@ -1150,7 +1129,6 @@
mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
- ct_mixer_destroy(atc->mixer);
}
if (NULL != atc->daios) {
@@ -1168,6 +1146,7 @@
daio_mgr->put_daio(daio_mgr, daio);
}
kfree(atc->daios);
+ atc->daios = NULL;
}
if (NULL != atc->pcm) {
@@ -1176,6 +1155,7 @@
sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
kfree(atc->pcm);
+ atc->pcm = NULL;
}
if (NULL != atc->srcs) {
@@ -1184,6 +1164,7 @@
src_mgr->put_src(src_mgr, atc->srcs[i]);
kfree(atc->srcs);
+ atc->srcs = NULL;
}
if (NULL != atc->srcimps) {
@@ -1194,8 +1175,30 @@
srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
}
kfree(atc->srcimps);
+ atc->srcimps = NULL;
}
+ return 0;
+}
+
+static int ct_atc_destroy(struct ct_atc *atc)
+{
+ int i = 0;
+
+ if (NULL == atc)
+ return 0;
+
+ if (atc->timer) {
+ ct_timer_free(atc->timer);
+ atc->timer = NULL;
+ }
+
+ atc_release_resources(atc);
+
+ /* Destroy internal mixer objects */
+ if (NULL != atc->mixer)
+ ct_mixer_destroy(atc->mixer);
+
for (i = 0; i < NUM_RSCTYP; i++) {
if ((NULL != rsc_mgr_funcs[i].destroy) &&
(NULL != atc->rsc_mgrs[i]))
@@ -1323,7 +1326,7 @@
return 0;
}
-static int __devinit atc_get_resources(struct ct_atc *atc)
+static int atc_get_resources(struct ct_atc *atc)
{
struct daio_desc da_desc = {0};
struct daio_mgr *daio_mgr;
@@ -1420,16 +1423,10 @@
atc->n_pcm++;
}
- err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
- if (err) {
- printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
- return err;
- }
-
return 0;
}
-static void __devinit
+static void
atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
struct src **srcs, struct srcimp **srcimps)
{
@@ -1468,7 +1465,7 @@
src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
}
-static void __devinit atc_connect_resources(struct ct_atc *atc)
+static void atc_connect_resources(struct ct_atc *atc)
{
struct dai *dai;
struct dao *dao;
@@ -1514,6 +1511,84 @@
}
}
+#ifdef CONFIG_PM
+static int atc_suspend(struct ct_atc *atc, pm_message_t state)
+{
+ int i;
+ struct hw *hw = atc->hw;
+
+ snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
+
+ for (i = FRONT; i < NUM_PCMS; i++) {
+ if (!atc->pcms[i])
+ continue;
+
+ snd_pcm_suspend_all(atc->pcms[i]);
+ }
+
+ atc_release_resources(atc);
+
+ hw->suspend(hw, state);
+
+ return 0;
+}
+
+static int atc_hw_resume(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+ struct card_conf info = {0};
+
+ /* Re-initialize card hardware. */
+ info.rsr = atc->rsr;
+ info.msr = atc->msr;
+ info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
+ return hw->resume(hw, &info);
+}
+
+static int atc_resources_resume(struct ct_atc *atc)
+{
+ struct ct_mixer *mixer;
+ int err = 0;
+
+ /* Get resources */
+ err = atc_get_resources(atc);
+ if (err < 0) {
+ atc_release_resources(atc);
+ return err;
+ }
+
+ /* Build topology */
+ atc_connect_resources(atc);
+
+ mixer = atc->mixer;
+ mixer->resume(mixer);
+
+ return 0;
+}
+
+static int atc_resume(struct ct_atc *atc)
+{
+ int err = 0;
+
+ /* Do hardware resume. */
+ err = atc_hw_resume(atc);
+ if (err < 0) {
+ printk(KERN_ERR "ctxfi: pci_enable_device failed, "
+ "disabling device\n");
+ snd_card_disconnect(atc->card);
+ return err;
+ }
+
+ err = atc_resources_resume(atc);
+ if (err < 0)
+ return err;
+
+ snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
+
+ return 0;
+}
+#endif
+
static struct ct_atc atc_preset __devinitdata = {
.map_audio_buffer = ct_map_audio_buffer,
.unmap_audio_buffer = ct_unmap_audio_buffer,
@@ -1542,6 +1617,10 @@
.spdif_out_set_status = atc_spdif_out_set_status,
.spdif_out_passthru = atc_spdif_out_passthru,
.have_digit_io_switch = atc_have_digit_io_switch,
+#ifdef CONFIG_PM
+ .suspend = atc_suspend,
+ .resume = atc_resume,
+#endif
};
/**
@@ -1600,6 +1679,12 @@
if (err < 0)
goto error1;
+ err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
+ if (err) {
+ printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
+ goto error1;
+ }
+
/* Get resources */
err = atc_get_resources(atc);
if (err < 0)