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Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio.c')
-rw-r--r--sound/pci/cs5535audio/cs5535audio.c162
1 files changed, 87 insertions, 75 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
index 02e3721030b..edcbbda5c48 100644
--- a/sound/pci/cs5535audio/cs5535audio.c
+++ b/sound/pci/cs5535audio/cs5535audio.c
@@ -1,5 +1,5 @@
/*
- * Driver for audio on multifunction CS5535 companion device
+ * Driver for audio on multifunction CS5535/6 companion device
* Copyright (C) Jaya Kumar
*
* Based on Jaroslav Kysela and Takashi Iwai's examples.
@@ -21,13 +21,12 @@
*
*/
-#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
#include <asm/io.h>
#include <sound/core.h>
#include <sound/control.h>
@@ -40,16 +39,36 @@
#define DRIVER_NAME "cs5535audio"
+static char *ac97_quirk;
+module_param(ac97_quirk, charp, 0444);
+MODULE_PARM_DESC(ac97_quirk, "AC'97 board specific workarounds.");
+
+static struct ac97_quirk ac97_quirks[] = {
+#if 0 /* Not yet confirmed if all 5536 boards are HP only */
+ {
+ .subvendor = PCI_VENDOR_ID_AMD,
+ .subdevice = PCI_DEVICE_ID_AMD_CS5536_AUDIO,
+ .name = "AMD RDK",
+ .type = AC97_TUNE_HP_ONLY
+ },
+#endif
+ {}
+};
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
-
-static struct pci_device_id snd_cs5535audio_ids[] = {
- { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
- { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for " DRIVER_NAME);
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for " DRIVER_NAME);
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable " DRIVER_NAME);
+
+static DEFINE_PCI_DEVICE_TABLE(snd_cs5535audio_ids) = {
+ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO) },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO) },
{}
};
@@ -62,10 +81,11 @@ static void wait_till_cmd_acked(struct cs5535audio *cs5535au, unsigned long time
tmp = cs_readl(cs5535au, ACC_CODEC_CNTL);
if (!(tmp & CMD_NEW))
break;
- msleep(10);
+ udelay(1);
} while (--timeout);
if (!timeout)
- snd_printk(KERN_ERR "Failure writing to cs5535 codec\n");
+ dev_err(cs5535au->card->dev,
+ "Failure writing to cs5535 codec\n");
}
static unsigned short snd_cs5535audio_codec_read(struct cs5535audio *cs5535au,
@@ -80,17 +100,19 @@ static unsigned short snd_cs5535audio_codec_read(struct cs5535audio *cs5535au,
regdata |= CMD_NEW;
cs_writel(cs5535au, ACC_CODEC_CNTL, regdata);
- wait_till_cmd_acked(cs5535au, 500);
+ wait_till_cmd_acked(cs5535au, 50);
timeout = 50;
do {
val = cs_readl(cs5535au, ACC_CODEC_STATUS);
if ((val & STS_NEW) && reg == (val >> 24))
break;
- msleep(10);
+ udelay(1);
} while (--timeout);
if (!timeout)
- snd_printk(KERN_ERR "Failure reading cs5535 codec\n");
+ dev_err(cs5535au->card->dev,
+ "Failure reading codec reg 0x%x, Last value=0x%x\n",
+ reg, val);
return (unsigned short) val;
}
@@ -139,12 +161,24 @@ static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
return err;
memset(&ac97, 0, sizeof(ac97));
- ac97.scaps = AC97_SCAP_AUDIO|AC97_SCAP_SKIP_MODEM;
+ ac97.scaps = AC97_SCAP_AUDIO | AC97_SCAP_SKIP_MODEM
+ | AC97_SCAP_POWER_SAVE;
ac97.private_data = cs5535au;
ac97.pci = cs5535au->pci;
+ /* set any OLPC-specific scaps */
+ olpc_prequirks(card, &ac97);
+
if ((err = snd_ac97_mixer(pbus, &ac97, &cs5535au->ac97)) < 0) {
- snd_printk(KERN_ERR "mixer failed\n");
+ dev_err(card->dev, "mixer failed\n");
+ return err;
+ }
+
+ snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk);
+
+ err = olpc_quirks(card, cs5535au->ac97);
+ if (err < 0) {
+ dev_err(card->dev, "olpc quirks failed\n");
return err;
}
@@ -162,8 +196,9 @@ static void process_bm0_irq(struct cs5535audio *cs5535au)
dma = cs5535au->playback_substream->runtime->private_data;
snd_pcm_period_elapsed(cs5535au->playback_substream);
} else {
- snd_printk(KERN_ERR "unexpected bm0 irq src, bm_stat=%x\n",
- bm_stat);
+ dev_err(cs5535au->card->dev,
+ "unexpected bm0 irq src, bm_stat=%x\n",
+ bm_stat);
}
}
@@ -180,11 +215,9 @@ static void process_bm1_irq(struct cs5535audio *cs5535au)
}
}
-static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
{
u16 acc_irq_stat;
- u8 bm_stat;
unsigned char count;
struct cs5535audio *cs5535au = dev_id;
@@ -195,7 +228,7 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id,
if (!acc_irq_stat)
return IRQ_NONE;
- for (count = 0; count < 10; count++) {
+ for (count = 0; count < 4; count++) {
if (acc_irq_stat & (1 << count)) {
switch (count) {
case IRQ_STS:
@@ -210,26 +243,10 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id,
case BM1_IRQ_STS:
process_bm1_irq(cs5535au);
break;
- case BM2_IRQ_STS:
- bm_stat = cs_readb(cs5535au, ACC_BM2_STATUS);
- break;
- case BM3_IRQ_STS:
- bm_stat = cs_readb(cs5535au, ACC_BM3_STATUS);
- break;
- case BM4_IRQ_STS:
- bm_stat = cs_readb(cs5535au, ACC_BM4_STATUS);
- break;
- case BM5_IRQ_STS:
- bm_stat = cs_readb(cs5535au, ACC_BM5_STATUS);
- break;
- case BM6_IRQ_STS:
- bm_stat = cs_readb(cs5535au, ACC_BM6_STATUS);
- break;
- case BM7_IRQ_STS:
- bm_stat = cs_readb(cs5535au, ACC_BM7_STATUS);
- break;
default:
- snd_printk(KERN_ERR "Unexpected irq src\n");
+ dev_err(cs5535au->card->dev,
+ "Unexpected irq src: 0x%x\n",
+ acc_irq_stat);
break;
}
}
@@ -240,7 +257,7 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id,
static int snd_cs5535audio_free(struct cs5535audio *cs5535au)
{
synchronize_irq(cs5535au->irq);
- pci_set_power_state(cs5535au->pci, 3);
+ pci_set_power_state(cs5535au->pci, PCI_D3hot);
if (cs5535au->irq >= 0)
free_irq(cs5535au->irq, cs5535au);
@@ -257,9 +274,9 @@ static int snd_cs5535audio_dev_free(struct snd_device *device)
return snd_cs5535audio_free(cs5535au);
}
-static int __devinit snd_cs5535audio_create(struct snd_card *card,
- struct pci_dev *pci,
- struct cs5535audio **rcs5535au)
+static int snd_cs5535audio_create(struct snd_card *card,
+ struct pci_dev *pci,
+ struct cs5535audio **rcs5535au)
{
struct cs5535audio *cs5535au;
@@ -272,9 +289,9 @@ static int __devinit snd_cs5535audio_create(struct snd_card *card,
if ((err = pci_enable_device(pci)) < 0)
return err;
- if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
- pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
- printk(KERN_WARNING "unable to get 32bit dma\n");
+ if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0) {
+ dev_warn(card->dev, "unable to get 32bit dma\n");
err = -ENXIO;
goto pcifail;
}
@@ -298,8 +315,8 @@ static int __devinit snd_cs5535audio_create(struct snd_card *card,
cs5535au->port = pci_resource_start(pci, 0);
if (request_irq(pci->irq, snd_cs5535audio_interrupt,
- SA_INTERRUPT|SA_SHIRQ, "CS5535 Audio", cs5535au)) {
- snd_printk("unable to grab IRQ %d\n", pci->irq);
+ IRQF_SHARED, KBUILD_MODNAME, cs5535au)) {
+ dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
err = -EBUSY;
goto sndfail;
}
@@ -311,8 +328,6 @@ static int __devinit snd_cs5535audio_create(struct snd_card *card,
cs5535au, &ops)) < 0)
goto sndfail;
- snd_card_set_dev(card, &pci->dev);
-
*rcs5535au = cs5535au;
return 0;
@@ -325,8 +340,8 @@ pcifail:
return err;
}
-static int __devinit snd_cs5535audio_probe(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
+static int snd_cs5535audio_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
@@ -340,13 +355,16 @@ static int __devinit snd_cs5535audio_probe(struct pci_dev *pci,
return -ENOENT;
}
- card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
- if (card == NULL)
- return -ENOMEM;
+ err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+ 0, &card);
+ if (err < 0)
+ return err;
if ((err = snd_cs5535audio_create(card, pci, &cs5535au)) < 0)
goto probefail_out;
+ card->private_data = cs5535au;
+
if ((err = snd_cs5535audio_mixer(cs5535au)) < 0)
goto probefail_out;
@@ -372,31 +390,25 @@ probefail_out:
return err;
}
-static void __devexit snd_cs5535audio_remove(struct pci_dev *pci)
+static void snd_cs5535audio_remove(struct pci_dev *pci)
{
+ olpc_quirks_cleanup();
snd_card_free(pci_get_drvdata(pci));
- pci_set_drvdata(pci, NULL);
}
-static struct pci_driver driver = {
- .name = DRIVER_NAME,
+static struct pci_driver cs5535audio_driver = {
+ .name = KBUILD_MODNAME,
.id_table = snd_cs5535audio_ids,
.probe = snd_cs5535audio_probe,
- .remove = __devexit_p(snd_cs5535audio_remove),
+ .remove = snd_cs5535audio_remove,
+#ifdef CONFIG_PM_SLEEP
+ .driver = {
+ .pm = &snd_cs5535audio_pm,
+ },
+#endif
};
-static int __init alsa_card_cs5535audio_init(void)
-{
- return pci_register_driver(&driver);
-}
-
-static void __exit alsa_card_cs5535audio_exit(void)
-{
- pci_unregister_driver(&driver);
-}
-
-module_init(alsa_card_cs5535audio_init)
-module_exit(alsa_card_cs5535audio_exit)
+module_pci_driver(cs5535audio_driver);
MODULE_AUTHOR("Jaya Kumar");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 09:20:57 +0000