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-rw-r--r--sound/pci/ens1370.c174
1 files changed, 123 insertions, 51 deletions
diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c
index 2daa575f43ff..fa619a959d8c 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)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 16:20:35 +0000