From 29959a09cc1aabd2d5f4f03afc0305de6bd29248 Mon Sep 17 00:00:00 2001 From: Wai Yew CHAY Date: Mon, 22 Jun 2009 14:52:34 +0200 Subject: [PATCH] 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 Singed-off-by: Ryan RICHARDS Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctatc.c | 181 +++++++++++++++++++++++++---------- sound/pci/ctxfi/ctatc.h | 7 ++ sound/pci/ctxfi/cthardware.h | 4 + sound/pci/ctxfi/cthw20k1.c | 83 ++++++++++++---- sound/pci/ctxfi/cthw20k2.c | 65 ++++++++++--- sound/pci/ctxfi/ctmixer.c | 92 ++++++++++++------ sound/pci/ctxfi/ctmixer.h | 3 + sound/pci/ctxfi/ctpcm.c | 4 + sound/pci/ctxfi/xfi.c | 22 +++++ 9 files changed, 354 insertions(+), 107 deletions(-) diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index 32e3c26e969e..a49c76647307 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -261,13 +261,8 @@ static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm) 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 @@ static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm) 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 @@ spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm) 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 @@ spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm) 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 @@ static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state) 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; - - 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 */ + 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; + + /* disconnect internal mixer objects */ if (NULL != atc->mixer) { mixer = atc->mixer; mixer->set_input_left(mixer, MIX_LINE_IN, NULL); @@ -1150,7 +1129,6 @@ static int ct_atc_destroy(struct ct_atc *atc) 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 @@ static int ct_atc_destroy(struct ct_atc *atc) daio_mgr->put_daio(daio_mgr, daio); } kfree(atc->daios); + atc->daios = NULL; } if (NULL != atc->pcm) { @@ -1176,6 +1155,7 @@ static int ct_atc_destroy(struct ct_atc *atc) sum_mgr->put_sum(sum_mgr, atc->pcm[i]); kfree(atc->pcm); + atc->pcm = NULL; } if (NULL != atc->srcs) { @@ -1184,6 +1164,7 @@ static int ct_atc_destroy(struct ct_atc *atc) src_mgr->put_src(src_mgr, atc->srcs[i]); kfree(atc->srcs); + atc->srcs = NULL; } if (NULL != atc->srcimps) { @@ -1194,8 +1175,30 @@ static int ct_atc_destroy(struct ct_atc *atc) 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 @@ static int __devinit atc_create_hw_devs(struct ct_atc *atc) 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 @@ static int __devinit atc_get_resources(struct ct_atc *atc) 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 @@ atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai, 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 @@ static void __devinit atc_connect_resources(struct ct_atc *atc) } } +#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 @@ static struct ct_atc atc_preset __devinitdata = { .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 @@ int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci, 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 9fe620ea5f3f..9fd8a5708943 100644 --- a/sound/pci/ctxfi/ctatc.h +++ b/sound/pci/ctxfi/ctatc.h @@ -136,6 +136,13 @@ struct ct_atc { 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 a4c2cad80f3a..af55405f5dec 100644 --- a/sound/pci/ctxfi/cthardware.h +++ b/sound/pci/ctxfi/cthardware.h @@ -64,6 +64,10 @@ struct hw { 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 cb69d9ddfbe3..ad3e1d144464 100644 --- a/sound/pci/ctxfi/cthw20k1.c +++ b/sound/pci/ctxfi/cthw20k1.c @@ -1911,9 +1911,17 @@ static int hw_card_start(struct hw *hw) 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 @@ static int hw_card_start(struct hw *hw) 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 @@ error1: 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 @@ static int hw_card_init(struct hw *hw, struct card_conf *info) 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 @@ static int hw_card_init(struct hw *hw, struct card_conf *info) 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 @@ static struct hw ct20k1_preset __devinitdata = { .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 4493a51c6b01..dec46d04b041 100644 --- a/sound/pci/ctxfi/cthw20k2.c +++ b/sound/pci/ctxfi/cthw20k2.c @@ -1860,16 +1860,18 @@ static int hw_card_start(struct hw *hw) 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 @@ error1: 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 @@ static int hw_card_init(struct hw *hw, struct card_conf *info) /* 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 @@ static int hw_card_init(struct hw *hw, struct card_conf *info) 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 @@ static struct hw ct20k2_preset __devinitdata = { .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 666722d9de41..f26d7cd9db9f 100644 --- a/sound/pci/ctxfi/ctmixer.c +++ b/sound/pci/ctxfi/ctmixer.c @@ -462,6 +462,43 @@ do_digit_io_switch(struct ct_atc *atc, int state) 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 @@ static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol, 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 @@ mixer_set_input_right(struct ct_mixer *mixer, 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 @@ int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer) 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 e2d96ebde746..b009e989e77d 100644 --- a/sound/pci/ctxfi/ctmixer.h +++ b/sound/pci/ctxfi/ctmixer.h @@ -56,6 +56,9 @@ struct ct_mixer { 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 9e5c0c4da726..60ea23180acb 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -422,5 +422,9 @@ int ct_alsa_pcm_create(struct ct_atc *atc, 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 2d3dd89af151..76541748e7bc 100644 --- a/sound/pci/ctxfi/xfi.c +++ b/sound/pci/ctxfi/xfi.c @@ -121,11 +121,33 @@ static void __devexit ct_card_remove(struct pci_dev *pci) 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) -- 2.39.2