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Diffstat (limited to 'sound/pci/es1938.c')
-rw-r--r--sound/pci/es1938.c169
1 files changed, 54 insertions, 115 deletions
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index 09704a78d799..018a8d53ca53 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -52,10 +52,6 @@
MODULE_AUTHOR("Jaromir Koutek <miri@punknet.cz>");
MODULE_DESCRIPTION("ESS Solo-1");
MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{ESS,ES1938},"
- "{ESS,ES1946},"
- "{ESS,ES1969},"
- "{TerraTec,128i PCI}}");
#if IS_REACHABLE(CONFIG_GAMEPORT)
#define SUPPORT_JOYSTICK 1
@@ -220,9 +216,7 @@ struct es1938 {
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
#endif
-#ifdef CONFIG_PM_SLEEP
unsigned char saved_regs[SAVED_REG_SIZE];
-#endif
};
static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id);
@@ -297,7 +291,8 @@ static void snd_es1938_write_cmd(struct es1938 *chip, unsigned char cmd)
int i;
unsigned char v;
for (i = 0; i < WRITE_LOOP_TIMEOUT; i++) {
- if (!(v = inb(SLSB_REG(chip, READSTATUS)) & 0x80)) {
+ v = inb(SLSB_REG(chip, READSTATUS));
+ if (!(v & 0x80)) {
outb(cmd, SLSB_REG(chip, WRITEDATA));
return;
}
@@ -313,9 +308,11 @@ static int snd_es1938_get_byte(struct es1938 *chip)
{
int i;
unsigned char v;
- for (i = GET_LOOP_TIMEOUT; i; i--)
- if ((v = inb(SLSB_REG(chip, STATUS))) & 0x80)
+ for (i = GET_LOOP_TIMEOUT; i; i--) {
+ v = inb(SLSB_REG(chip, STATUS));
+ if (v & 0x80)
return inb(SLSB_REG(chip, READDATA));
+ }
dev_err(chip->card->dev, "get_byte timeout: status 0x02%x\n", v);
return -ENODEV;
}
@@ -825,7 +822,7 @@ static snd_pcm_uframes_t snd_es1938_playback_pointer(struct snd_pcm_substream *s
static int snd_es1938_capture_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
- void __user *dst, unsigned long count)
+ struct iov_iter *dst, unsigned long count)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct es1938 *chip = snd_pcm_substream_chip(substream);
@@ -833,36 +830,17 @@ static int snd_es1938_capture_copy(struct snd_pcm_substream *substream,
if (snd_BUG_ON(pos + count > chip->dma1_size))
return -EINVAL;
if (pos + count < chip->dma1_size) {
- if (copy_to_user(dst, runtime->dma_area + pos + 1, count))
+ if (copy_to_iter(runtime->dma_area + pos + 1, count, dst) != count)
return -EFAULT;
} else {
- if (copy_to_user(dst, runtime->dma_area + pos + 1, count - 1))
+ if (copy_to_iter(runtime->dma_area + pos + 1, count - 1, dst) != count - 1)
return -EFAULT;
- if (put_user(runtime->dma_area[0],
- ((unsigned char __user *)dst) + count - 1))
+ if (copy_to_iter(runtime->dma_area, 1, dst) != 1)
return -EFAULT;
}
return 0;
}
-static int snd_es1938_capture_copy_kernel(struct snd_pcm_substream *substream,
- int channel, unsigned long pos,
- void *dst, unsigned long count)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct es1938 *chip = snd_pcm_substream_chip(substream);
-
- if (snd_BUG_ON(pos + count > chip->dma1_size))
- return -EINVAL;
- if (pos + count < chip->dma1_size) {
- memcpy(dst, runtime->dma_area + pos + 1, count);
- } else {
- memcpy(dst, runtime->dma_area + pos + 1, count - 1);
- runtime->dma_area[0] = *((unsigned char *)dst + count - 1);
- }
- return 0;
-}
-
/* ----------------------------------------------------------------------
* Audio1 Capture (ADC)
* ----------------------------------------------------------------------*/
@@ -988,8 +966,7 @@ static const struct snd_pcm_ops snd_es1938_capture_ops = {
.prepare = snd_es1938_capture_prepare,
.trigger = snd_es1938_capture_trigger,
.pointer = snd_es1938_capture_pointer,
- .copy_user = snd_es1938_capture_copy,
- .copy_kernel = snd_es1938_capture_copy_kernel,
+ .copy = snd_es1938_capture_copy,
};
static int snd_es1938_new_pcm(struct es1938 *chip, int device)
@@ -997,7 +974,8 @@ static int snd_es1938_new_pcm(struct es1938 *chip, int device)
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(chip->card, "es-1938-1946", device, 2, 1, &pcm)) < 0)
+ err = snd_pcm_new(chip->card, "es-1938-1946", device, 2, 1, &pcm);
+ if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1938_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1938_capture_ops);
@@ -1415,7 +1393,6 @@ static void snd_es1938_chip_init(struct es1938 *chip)
outb(0, SLDM_REG(chip, DMACLEAR));
}
-#ifdef CONFIG_PM_SLEEP
/*
* PM support
*/
@@ -1481,11 +1458,7 @@ static int es1938_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume);
-#define ES1938_PM_OPS &es1938_pm
-#else
-#define ES1938_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume);
#ifdef SUPPORT_JOYSTICK
static int snd_es1938_create_gameport(struct es1938 *chip)
@@ -1521,8 +1494,10 @@ static inline int snd_es1938_create_gameport(struct es1938 *chip) { return -ENOS
static inline void snd_es1938_free_gameport(struct es1938 *chip) { }
#endif /* SUPPORT_JOYSTICK */
-static int snd_es1938_free(struct es1938 *chip)
+static void snd_es1938_free(struct snd_card *card)
{
+ struct es1938 *chip = card->private_data;
+
/* disable irqs */
outb(0x00, SLIO_REG(chip, IRQCONTROL));
if (chip->rmidi)
@@ -1532,70 +1507,47 @@ static int snd_es1938_free(struct es1938 *chip)
if (chip->irq >= 0)
free_irq(chip->irq, chip);
- pci_release_regions(chip->pci);
- pci_disable_device(chip->pci);
- kfree(chip);
- return 0;
-}
-
-static int snd_es1938_dev_free(struct snd_device *device)
-{
- struct es1938 *chip = device->device_data;
- return snd_es1938_free(chip);
}
static int snd_es1938_create(struct snd_card *card,
- struct pci_dev *pci,
- struct es1938 **rchip)
+ struct pci_dev *pci)
{
- struct es1938 *chip;
+ struct es1938 *chip = card->private_data;
int err;
- static const struct snd_device_ops ops = {
- .dev_free = snd_es1938_dev_free,
- };
-
- *rchip = NULL;
/* enable PCI device */
- if ((err = pci_enable_device(pci)) < 0)
+ err = pcim_enable_device(pci);
+ if (err < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 24 bits */
- if (dma_set_mask(&pci->dev, DMA_BIT_MASK(24)) < 0 ||
- dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(24)) < 0) {
+ if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(24))) {
dev_err(card->dev,
"architecture does not support 24bit PCI busmaster DMA\n");
- pci_disable_device(pci);
return -ENXIO;
}
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL) {
- pci_disable_device(pci);
- return -ENOMEM;
- }
spin_lock_init(&chip->reg_lock);
spin_lock_init(&chip->mixer_lock);
chip->card = card;
chip->pci = pci;
chip->irq = -1;
- if ((err = pci_request_regions(pci, "ESS Solo-1")) < 0) {
- kfree(chip);
- pci_disable_device(pci);
+ err = pci_request_regions(pci, "ESS Solo-1");
+ if (err < 0)
return err;
- }
chip->io_port = pci_resource_start(pci, 0);
chip->sb_port = pci_resource_start(pci, 1);
chip->vc_port = pci_resource_start(pci, 2);
chip->mpu_port = pci_resource_start(pci, 3);
chip->game_port = pci_resource_start(pci, 4);
+ /* still use non-managed irq handler as it's re-acquired at PM resume */
if (request_irq(pci->irq, snd_es1938_interrupt, IRQF_SHARED,
KBUILD_MODNAME, chip)) {
dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
- snd_es1938_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
+ card->private_free = snd_es1938_free;
dev_dbg(card->dev,
"create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n",
chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port);
@@ -1603,13 +1555,6 @@ static int snd_es1938_create(struct snd_card *card,
chip->ddma_port = chip->vc_port + 0x00; /* fix from Thomas Sailer */
snd_es1938_chip_init(chip);
-
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
- snd_es1938_free(chip);
- return err;
- }
-
- *rchip = chip;
return 0;
}
@@ -1736,15 +1681,16 @@ static int snd_es1938_mixer(struct es1938 *chip)
kctl->private_free = snd_es1938_hwv_free;
break;
}
- if ((err = snd_ctl_add(card, kctl)) < 0)
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
return err;
}
return 0;
}
-static int snd_es1938_probe(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
+static int __snd_es1938_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
@@ -1759,22 +1705,20 @@ static int snd_es1938_probe(struct pci_dev *pci,
return -ENOENT;
}
- err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
- 0, &card);
+ err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+ sizeof(*chip), &card);
if (err < 0)
return err;
- for (idx = 0; idx < 5; idx++) {
+ chip = card->private_data;
+
+ for (idx = 0; idx < 5; idx++)
if (pci_resource_start(pci, idx) == 0 ||
- !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) {
- snd_card_free(card);
- return -ENODEV;
- }
- }
- if ((err = snd_es1938_create(card, pci, &chip)) < 0) {
- snd_card_free(card);
+ !(pci_resource_flags(pci, idx) & IORESOURCE_IO))
+ return -ENODEV;
+
+ err = snd_es1938_create(card, pci);
+ if (err < 0)
return err;
- }
- card->private_data = chip;
strcpy(card->driver, "ES1938");
strcpy(card->shortname, "ESS ES1938 (Solo-1)");
@@ -1783,14 +1727,12 @@ static int snd_es1938_probe(struct pci_dev *pci,
chip->revision,
chip->irq);
- if ((err = snd_es1938_new_pcm(chip, 0)) < 0) {
- snd_card_free(card);
+ err = snd_es1938_new_pcm(chip, 0);
+ if (err < 0)
return err;
- }
- if ((err = snd_es1938_mixer(chip)) < 0) {
- snd_card_free(card);
+ err = snd_es1938_mixer(chip);
+ if (err < 0)
return err;
- }
if (snd_opl3_create(card,
SLSB_REG(chip, FMLOWADDR),
SLSB_REG(chip, FMHIGHADDR),
@@ -1798,14 +1740,12 @@ static int snd_es1938_probe(struct pci_dev *pci,
dev_err(card->dev, "OPL3 not detected at 0x%lx\n",
SLSB_REG(chip, FMLOWADDR));
} else {
- if ((err = snd_opl3_timer_new(opl3, 0, 1)) < 0) {
- snd_card_free(card);
+ err = snd_opl3_timer_new(opl3, 0, 1);
+ if (err < 0)
return err;
- }
- if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
- snd_card_free(card);
+ err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
+ if (err < 0)
return err;
- }
}
if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
chip->mpu_port,
@@ -1820,28 +1760,27 @@ static int snd_es1938_probe(struct pci_dev *pci,
snd_es1938_create_gameport(chip);
- if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
+ err = snd_card_register(card);
+ if (err < 0)
return err;
- }
pci_set_drvdata(pci, card);
dev++;
return 0;
}
-static void snd_es1938_remove(struct pci_dev *pci)
+static int snd_es1938_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
{
- snd_card_free(pci_get_drvdata(pci));
+ return snd_card_free_on_error(&pci->dev, __snd_es1938_probe(pci, pci_id));
}
static struct pci_driver es1938_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_es1938_ids,
.probe = snd_es1938_probe,
- .remove = snd_es1938_remove,
.driver = {
- .pm = ES1938_PM_OPS,
+ .pm = &es1938_pm,
},
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.