diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-23 10:45:39 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-23 10:45:39 -0700 |
commit | c488eef8154b36cce905624577183dc1fa8f6da0 (patch) | |
tree | e66d9e71e09d7213f9a35685283a5a65d11adfd1 /sound/pci/ctxfi/cthw20k1.c | |
parent | cf9c1b92ae62ce71a8e861f02476724348defc6a (diff) | |
parent | 3f67f6693c82f1cb8edb233f9bd10fa06d27a193 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Make jack-plug notification selectable
ALSA: ctxfi - Add PM support
sound: seq_midi_event: fix decoding of (N)RPN events
ALSA: hda - Add digital-mic support to ALC262 auto model
ALSA: hda - Fix check of input source type for realtek codecs
ALSA: hda - Add quirk for Sony VAIO Z21MN
ALSA: hda - Get back Input Source for ALC262 toshiba-s06 model
ALSA: hda - Fix unsigned comparison in patch_sigmatel.c
ALSA: via82xx: add option to disable 500ms delay in snd_via82xx_codec_wait
sound: fix check for return value in snd_pcm_hw_refine
ALSA: ctxfi - Allow unknown PCI SSIDs
ASoC: Blackfin: update the bf5xx_i2s_resume parameters
ASoC: Blackfin: keep better track of SPORT configuration state
Diffstat (limited to 'sound/pci/ctxfi/cthw20k1.c')
-rw-r--r-- | sound/pci/ctxfi/cthw20k1.c | 83 |
1 files changed, 66 insertions, 17 deletions
diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c index cb69d9ddfbe..ad3e1d14446 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, |