diff options
| -rw-r--r-- | sound/pci/ens1370.c | 174 |
1 files changed, 123 insertions, 51 deletions
diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index 2daa575..fa619a9 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -19,6 +19,13 @@ * */ +/* Power-Management-Code ( CONFIG_PM ) + * for ens1371 only ( FIXME ) + * derived from cs4281.c, atiixp.c and via82xx.c + * using http://www.alsa-project.org/~iwai/writing-an-alsa-driver/c1540.htm + * by Kurt J. Bosch + */ + #include <sound/driver.h> #include <asm/io.h> #include <linux/delay.h> @@ -1924,6 +1931,117 @@ static struct { }; #endif +static void snd_ensoniq_chip_init(ensoniq_t * ensoniq) +{ +#ifdef CHIP1371 + int idx; + struct pci_dev *pci = ensoniq->pci; +#endif +// this code was part of snd_ensoniq_create before intruduction of suspend/resume +#ifdef CHIP1370 + outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL)); + outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL)); + outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE)); + outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME)); + outl(0, ES_REG(ensoniq, PHANTOM_COUNT)); +#else + outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL)); + outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL)); + outl(0, ES_REG(ensoniq, 1371_LEGACY)); + for (idx = 0; es1371_ac97_reset_hack[idx].vid != (unsigned short)PCI_ANY_ID; idx++) + if (pci->vendor == es1371_ac97_reset_hack[idx].vid && + pci->device == es1371_ac97_reset_hack[idx].did && + ensoniq->rev == es1371_ac97_reset_hack[idx].rev) { + outl(ensoniq->cssr, ES_REG(ensoniq, STATUS)); + /* need to delay around 20ms(bleech) to give + some CODECs enough time to wakeup */ + msleep(20); + break; + } + /* AC'97 warm reset to start the bitclk */ + outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL)); + inl(ES_REG(ensoniq, CONTROL)); + udelay(20); + outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL)); + /* Init the sample rate converter */ + snd_es1371_wait_src_ready(ensoniq); + outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE)); + for (idx = 0; idx < 0x80; idx++) + snd_es1371_src_write(ensoniq, idx, 0); + snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4); + snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10); + snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4); + snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10); + snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12); + snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12); + snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12); + snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12); + snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12); + snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12); + snd_es1371_adc_rate(ensoniq, 22050); + snd_es1371_dac1_rate(ensoniq, 22050); + snd_es1371_dac2_rate(ensoniq, 22050); + /* WARNING: + * enabling the sample rate converter without properly programming + * its parameters causes the chip to lock up (the SRC busy bit will + * be stuck high, and I've found no way to rectify this other than + * power cycle) - Thomas Sailer + */ + snd_es1371_wait_src_ready(ensoniq); + outl(0, ES_REG(ensoniq, 1371_SMPRATE)); + /* try reset codec directly */ + outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC)); +#endif + outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL)); + outb(0x00, ES_REG(ensoniq, UART_RES)); + outl(ensoniq->cssr, ES_REG(ensoniq, STATUS)); + synchronize_irq(ensoniq->irq); +} + +#ifdef CONFIG_PM +static int snd_ensoniq_suspend (snd_card_t * card, + pm_message_t state) +{ + ensoniq_t *ensoniq = card->pm_private_data; + + snd_pcm_suspend_all(ensoniq->pcm1); + snd_pcm_suspend_all(ensoniq->pcm2); + +#ifdef CHIP1371 + if (ensoniq->u.es1371.ac97) + snd_ac97_suspend(ensoniq->u.es1371.ac97); +#else + /* FIXME */ +#endif + pci_set_power_state(ensoniq->pci, 3); + pci_disable_device(ensoniq->pci); + // snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); // only 2.6.10 + return 0; +} + +static int snd_ensoniq_resume (snd_card_t * card + ) +{ + ensoniq_t *ensoniq = card->pm_private_data; + + pci_enable_device(ensoniq->pci); + pci_set_power_state(ensoniq->pci, 0); + pci_set_master(ensoniq->pci); + + snd_ensoniq_chip_init(ensoniq); + +#ifdef CHIP1371 + if (ensoniq->u.es1371.ac97) + snd_ac97_resume(ensoniq->u.es1371.ac97); +#else + /* FIXME */ +#endif + // snd_power_change_state(card, SNDRV_CTL_POWER_D0); // only 2.6.10 + return 0; +} +#endif /* CONFIG_PM */ + + static int __devinit snd_ensoniq_create(snd_card_t * card, struct pci_dev *pci, ensoniq_t ** rensoniq) @@ -1986,12 +2104,6 @@ static int __devinit snd_ensoniq_create(snd_card_t * card, ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000)); #endif ensoniq->sctrl = 0; - /* initialize the chips */ - outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL)); - outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL)); - outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE)); - outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME)); - outl(0, ES_REG(ensoniq, PHANTOM_COUNT)); #else ensoniq->ctrl = 0; ensoniq->sctrl = 0; @@ -2002,59 +2114,16 @@ static int __devinit snd_ensoniq_create(snd_card_t * card, ensoniq->ctrl |= ES_1371_GPIO_OUT(1); /* turn amplifier on */ break; } - /* initialize the chips */ - outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL)); - outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL)); - outl(0, ES_REG(ensoniq, 1371_LEGACY)); for (idx = 0; es1371_ac97_reset_hack[idx].vid != (unsigned short)PCI_ANY_ID; idx++) if (pci->vendor == es1371_ac97_reset_hack[idx].vid && pci->device == es1371_ac97_reset_hack[idx].did && ensoniq->rev == es1371_ac97_reset_hack[idx].rev) { ensoniq->cssr |= ES_1371_ST_AC97_RST; - outl(ensoniq->cssr, ES_REG(ensoniq, STATUS)); - /* need to delay around 20ms(bleech) to give - some CODECs enough time to wakeup */ - msleep(20); break; } - /* AC'97 warm reset to start the bitclk */ - outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL)); - inl(ES_REG(ensoniq, CONTROL)); - udelay(20); - outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL)); - /* Init the sample rate converter */ - snd_es1371_wait_src_ready(ensoniq); - outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE)); - for (idx = 0; idx < 0x80; idx++) - snd_es1371_src_write(ensoniq, idx, 0); - snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4); - snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10); - snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4); - snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10); - snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12); - snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12); - snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12); - snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12); - snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12); - snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12); - snd_es1371_adc_rate(ensoniq, 22050); - snd_es1371_dac1_rate(ensoniq, 22050); - snd_es1371_dac2_rate(ensoniq, 22050); - /* WARNING: - * enabling the sample rate converter without properly programming - * its parameters causes the chip to lock up (the SRC busy bit will - * be stuck high, and I've found no way to rectify this other than - * power cycle) - Thomas Sailer - */ - snd_es1371_wait_src_ready(ensoniq); - outl(0, ES_REG(ensoniq, 1371_SMPRATE)); - /* try reset codec directly */ - outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC)); #endif - outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL)); - outb(0x00, ES_REG(ensoniq, UART_RES)); - outl(ensoniq->cssr, ES_REG(ensoniq, STATUS)); - synchronize_irq(ensoniq->irq); + + snd_ensoniq_chip_init(ensoniq); if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) { snd_ensoniq_free(ensoniq); @@ -2063,6 +2132,8 @@ static int __devinit snd_ensoniq_create(snd_card_t * card, snd_ensoniq_proc_init(ensoniq); + snd_card_set_pm_callback(card, snd_ensoniq_suspend, snd_ensoniq_resume, ensoniq); + snd_card_set_dev(card, &pci->dev); *rensoniq = ensoniq; @@ -2389,6 +2460,7 @@ static struct pci_driver driver = { .id_table = snd_audiopci_ids, .probe = snd_audiopci_probe, .remove = __devexit_p(snd_audiopci_remove), + SND_PCI_PM_CALLBACKS }; static int __init alsa_card_ens137x_init(void) |
