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)
diff --git a/sound/pci/ctxfi/ctatc.h b/sound/pci/ctxfi/ctatc.h
index 9fe620ea..9fd8a57 100644
--- a/sound/pci/ctxfi/ctatc.h
+++ b/sound/pci/ctxfi/ctatc.h
@@ -136,6 +136,13 @@
unsigned char n_pcm;
struct ct_timer *timer;
+
+#ifdef CONFIG_PM
+ int (*suspend)(struct ct_atc *atc, pm_message_t state);
+ int (*resume)(struct ct_atc *atc);
+#define NUM_PCMS (NUM_CTALSADEVS - 1)
+ struct snd_pcm *pcms[NUM_PCMS];
+#endif
};
diff --git a/sound/pci/ctxfi/cthardware.h b/sound/pci/ctxfi/cthardware.h
index a4c2cad..af55405 100644
--- a/sound/pci/ctxfi/cthardware.h
+++ b/sound/pci/ctxfi/cthardware.h
@@ -64,6 +64,10 @@
int (*card_init)(struct hw *hw, struct card_conf *info);
int (*card_stop)(struct hw *hw);
int (*pll_init)(struct hw *hw, unsigned int rsr);
+#ifdef CONFIG_PM
+ int (*suspend)(struct hw *hw, pm_message_t state);
+ int (*resume)(struct hw *hw, struct card_conf *info);
+#endif
int (*is_adc_source_selected)(struct hw *hw, enum ADCSRC source);
int (*select_adc_source)(struct hw *hw, enum ADCSRC source);
int (*have_digit_io_switch)(struct hw *hw);
diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c
index cb69d9d..ad3e1d1 100644
--- a/sound/pci/ctxfi/cthw20k1.c
+++ b/sound/pci/ctxfi/cthw20k1.c
@@ -1911,9 +1911,17 @@
goto error1;
}
- err = pci_request_regions(pci, "XFi");
- if (err < 0)
- goto error1;
+ if (!hw->io_base) {
+ err = pci_request_regions(pci, "XFi");
+ if (err < 0)
+ goto error1;
+
+ if (hw->model == CTUAA)
+ hw->io_base = pci_resource_start(pci, 5);
+ else
+ hw->io_base = pci_resource_start(pci, 0);
+
+ }
/* Switch to X-Fi mode from UAA mode if neeeded */
if (hw->model == CTUAA) {
@@ -1921,18 +1929,17 @@
if (err)
goto error2;
- hw->io_base = pci_resource_start(pci, 5);
- } else {
- hw->io_base = pci_resource_start(pci, 0);
}
- err = request_irq(pci->irq, ct_20k1_interrupt, IRQF_SHARED,
- "ctxfi", hw);
- if (err < 0) {
- printk(KERN_ERR "XFi: Cannot get irq %d\n", pci->irq);
- goto error2;
+ if (hw->irq < 0) {
+ err = request_irq(pci->irq, ct_20k1_interrupt, IRQF_SHARED,
+ "ctxfi", hw);
+ if (err < 0) {
+ printk(KERN_ERR "XFi: Cannot get irq %d\n", pci->irq);
+ goto error2;
+ }
+ hw->irq = pci->irq;
}
- hw->irq = pci->irq;
pci_set_master(pci);
@@ -1948,6 +1955,15 @@
static int hw_card_stop(struct hw *hw)
{
+ unsigned int data;
+
+ /* disable transport bus master and queueing of request */
+ hw_write_20kx(hw, TRNCTL, 0x00);
+
+ /* disable pll */
+ data = hw_read_20kx(hw, PLLCTL);
+ hw_write_20kx(hw, PLLCTL, (data & (~(0x0F<<12))));
+
/* TODO: Disable interrupt and so on... */
if (hw->irq >= 0)
synchronize_irq(hw->irq);
@@ -1987,11 +2003,9 @@
struct trn_conf trn_info = {0};
/* Get PCI io port base address and do Hendrix switch if needed. */
- if (!hw->io_base) {
- err = hw_card_start(hw);
- if (err)
- return err;
- }
+ err = hw_card_start(hw);
+ if (err)
+ return err;
/* PLL init */
err = hw_pll_init(hw, info->rsr);
@@ -2064,6 +2078,37 @@
return 0;
}
+#ifdef CONFIG_PM
+static int hw_suspend(struct hw *hw, pm_message_t state)
+{
+ struct pci_dev *pci = hw->pci;
+
+ hw_card_stop(hw);
+
+ if (hw->model == CTUAA) {
+ /* Switch to UAA config space. */
+ pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x0);
+ }
+
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ pci_set_power_state(pci, pci_choose_state(pci, state));
+
+ return 0;
+}
+
+static int hw_resume(struct hw *hw, struct card_conf *info)
+{
+ struct pci_dev *pci = hw->pci;
+
+ pci_set_power_state(pci, PCI_D0);
+ pci_restore_state(pci);
+
+ /* Re-initialize card hardware. */
+ return hw_card_init(hw, info);
+}
+#endif
+
static u32 hw_read_20kx(struct hw *hw, u32 reg)
{
u32 value;
@@ -2128,6 +2173,10 @@
.is_adc_source_selected = hw_is_adc_input_selected,
.select_adc_source = hw_adc_input_select,
.have_digit_io_switch = hw_have_digit_io_switch,
+#ifdef CONFIG_PM
+ .suspend = hw_suspend,
+ .resume = hw_resume,
+#endif
.src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk,
.src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk,
diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
index 4493a51..dec46d0 100644
--- a/sound/pci/ctxfi/cthw20k2.c
+++ b/sound/pci/ctxfi/cthw20k2.c
@@ -1860,16 +1860,18 @@
goto error1;
}
- err = pci_request_regions(pci, "XFi");
- if (err < 0)
- goto error1;
+ if (!hw->io_base) {
+ err = pci_request_regions(pci, "XFi");
+ if (err < 0)
+ goto error1;
- hw->io_base = pci_resource_start(hw->pci, 2);
- hw->mem_base = (unsigned long)ioremap(hw->io_base,
+ hw->io_base = pci_resource_start(hw->pci, 2);
+ hw->mem_base = (unsigned long)ioremap(hw->io_base,
pci_resource_len(hw->pci, 2));
- if (NULL == (void *)hw->mem_base) {
- err = -ENOENT;
- goto error2;
+ if (NULL == (void *)hw->mem_base) {
+ err = -ENOENT;
+ goto error2;
+ }
}
/* Switch to 20k2 mode from UAA mode. */
@@ -1901,6 +1903,15 @@
static int hw_card_stop(struct hw *hw)
{
+ unsigned int data;
+
+ /* disable transport bus master and queueing of request */
+ hw_write_20kx(hw, TRANSPORT_CTL, 0x00);
+
+ /* disable pll */
+ data = hw_read_20kx(hw, PLL_ENB);
+ hw_write_20kx(hw, PLL_ENB, (data & (~0x07)));
+
/* TODO: Disable interrupt and so on... */
return 0;
}
@@ -1939,11 +1950,9 @@
/* Get PCI io port/memory base address and
* do 20kx core switch if needed. */
- if (!hw->io_base) {
- err = hw_card_start(hw);
- if (err)
- return err;
- }
+ err = hw_card_start(hw);
+ if (err)
+ return err;
/* PLL init */
err = hw_pll_init(hw, info->rsr);
@@ -2006,6 +2015,32 @@
return 0;
}
+#ifdef CONFIG_PM
+static int hw_suspend(struct hw *hw, pm_message_t state)
+{
+ struct pci_dev *pci = hw->pci;
+
+ hw_card_stop(hw);
+
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ pci_set_power_state(pci, pci_choose_state(pci, state));
+
+ return 0;
+}
+
+static int hw_resume(struct hw *hw, struct card_conf *info)
+{
+ struct pci_dev *pci = hw->pci;
+
+ pci_set_power_state(pci, PCI_D0);
+ pci_restore_state(pci);
+
+ /* Re-initialize card hardware. */
+ return hw_card_init(hw, info);
+}
+#endif
+
static u32 hw_read_20kx(struct hw *hw, u32 reg)
{
return readl((void *)(hw->mem_base + reg));
@@ -2025,6 +2060,10 @@
.is_adc_source_selected = hw_is_adc_input_selected,
.select_adc_source = hw_adc_input_select,
.have_digit_io_switch = hw_have_digit_io_switch,
+#ifdef CONFIG_PM
+ .suspend = hw_suspend,
+ .resume = hw_resume,
+#endif
.src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk,
.src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk,
diff --git a/sound/pci/ctxfi/ctmixer.c b/sound/pci/ctxfi/ctmixer.c
index 666722d..f26d7cd 100644
--- a/sound/pci/ctxfi/ctmixer.c
+++ b/sound/pci/ctxfi/ctmixer.c
@@ -462,6 +462,43 @@
return;
}
+static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
+{
+ struct ct_mixer *mixer = atc->mixer;
+
+ /* Do changes in mixer. */
+ if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
+ if (state) {
+ ct_mixer_recording_select(mixer,
+ get_amixer_index(type));
+ } else {
+ ct_mixer_recording_unselect(mixer,
+ get_amixer_index(type));
+ }
+ }
+ /* Do changes out of mixer. */
+ if (state && (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type))
+ do_line_mic_switch(atc, type);
+ else if (MIXER_WAVEF_P_S == type)
+ atc->line_front_unmute(atc, state);
+ else if (MIXER_WAVES_P_S == type)
+ atc->line_surround_unmute(atc, state);
+ else if (MIXER_WAVEC_P_S == type)
+ atc->line_clfe_unmute(atc, state);
+ else if (MIXER_WAVER_P_S == type)
+ atc->line_rear_unmute(atc, state);
+ else if (MIXER_LINEIN_P_S == type)
+ atc->line_in_unmute(atc, state);
+ else if (MIXER_SPDIFO_P_S == type)
+ atc->spdif_out_unmute(atc, state);
+ else if (MIXER_SPDIFI_P_S == type)
+ atc->spdif_in_unmute(atc, state);
+ else if (MIXER_DIGITAL_IO_S == type)
+ do_digit_io_switch(atc, state);
+
+ return;
+}
+
static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -498,35 +535,7 @@
return 0;
set_switch_state(mixer, type, state);
- /* Do changes in mixer. */
- if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
- if (state) {
- ct_mixer_recording_select(mixer,
- get_amixer_index(type));
- } else {
- ct_mixer_recording_unselect(mixer,
- get_amixer_index(type));
- }
- }
- /* Do changes out of mixer. */
- if (state && (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type))
- do_line_mic_switch(atc, type);
- else if (MIXER_WAVEF_P_S == type)
- atc->line_front_unmute(atc, state);
- else if (MIXER_WAVES_P_S == type)
- atc->line_surround_unmute(atc, state);
- else if (MIXER_WAVEC_P_S == type)
- atc->line_clfe_unmute(atc, state);
- else if (MIXER_WAVER_P_S == type)
- atc->line_rear_unmute(atc, state);
- else if (MIXER_LINEIN_P_S == type)
- atc->line_in_unmute(atc, state);
- else if (MIXER_SPDIFO_P_S == type)
- atc->spdif_out_unmute(atc, state);
- else if (MIXER_SPDIFI_P_S == type)
- atc->spdif_in_unmute(atc, state);
- else if (MIXER_DIGITAL_IO_S == type)
- do_digit_io_switch(atc, state);
+ do_switch(atc, type, state);
return 1;
}
@@ -1039,6 +1048,28 @@
return 0;
}
+#ifdef CONFIG_PM
+static int mixer_resume(struct ct_mixer *mixer)
+{
+ int i, state;
+ struct amixer *amixer;
+
+ /* resume topology and volume gain. */
+ for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
+ amixer = mixer->amixers[i];
+ amixer->ops->commit_write(amixer);
+ }
+
+ /* resume switch state. */
+ for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
+ state = get_switch_state(mixer, i);
+ do_switch(mixer->atc, i, state);
+ }
+
+ return 0;
+}
+#endif
+
int ct_mixer_destroy(struct ct_mixer *mixer)
{
struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
@@ -1087,6 +1118,9 @@
mixer->get_output_ports = mixer_get_output_ports;
mixer->set_input_left = mixer_set_input_left;
mixer->set_input_right = mixer_set_input_right;
+#ifdef CONFIG_PM
+ mixer->resume = mixer_resume;
+#endif
/* Allocate chip resources for mixer obj */
err = ct_mixer_get_resources(mixer);
diff --git a/sound/pci/ctxfi/ctmixer.h b/sound/pci/ctxfi/ctmixer.h
index e2d96eb..b009e98 100644
--- a/sound/pci/ctxfi/ctmixer.h
+++ b/sound/pci/ctxfi/ctmixer.h
@@ -56,6 +56,9 @@
enum MIXER_PORT_T type, struct rsc *rsc);
int (*set_input_right)(struct ct_mixer *mixer,
enum MIXER_PORT_T type, struct rsc *rsc);
+#ifdef CONFIG_PM
+ int (*resume)(struct ct_mixer *mixer);
+#endif
};
int ct_alsa_mix_create(struct ct_atc *atc,
diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c
index 9e5c0c4..60ea231 100644
--- a/sound/pci/ctxfi/ctpcm.c
+++ b/sound/pci/ctxfi/ctpcm.c
@@ -422,5 +422,9 @@
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(atc->pci), 128*1024, 128*1024);
+#ifdef CONFIG_PM
+ atc->pcms[device] = pcm;
+#endif
+
return 0;
}
diff --git a/sound/pci/ctxfi/xfi.c b/sound/pci/ctxfi/xfi.c
index 2d3dd89..7654174 100644
--- a/sound/pci/ctxfi/xfi.c
+++ b/sound/pci/ctxfi/xfi.c
@@ -121,11 +121,33 @@
pci_set_drvdata(pci, NULL);
}
+#ifdef CONFIG_PM
+static int ct_card_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct ct_atc *atc = card->private_data;
+
+ return atc->suspend(atc, state);
+}
+
+static int ct_card_resume(struct pci_dev *pci)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct ct_atc *atc = card->private_data;
+
+ return atc->resume(atc);
+}
+#endif
+
static struct pci_driver ct_driver = {
.name = "SB-XFi",
.id_table = ct_pci_dev_ids,
.probe = ct_card_probe,
.remove = __devexit_p(ct_card_remove),
+#ifdef CONFIG_PM
+ .suspend = ct_card_suspend,
+ .resume = ct_card_resume,
+#endif
};
static int __init ct_card_init(void)
