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Diffstat (limited to 'sound/pci/es1968.c')
-rw-r--r--sound/pci/es1968.c212
1 files changed, 72 insertions, 140 deletions
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 34332d008b27..c6c018b40c69 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -107,10 +107,6 @@
MODULE_DESCRIPTION("ESS Maestro");
MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{ESS,Maestro 2e},"
- "{ESS,Maestro 2},"
- "{ESS,Maestro 1},"
- "{TerraTec,DMX}}");
#if IS_REACHABLE(CONFIG_GAMEPORT)
#define SUPPORT_JOYSTICK 1
@@ -477,9 +473,7 @@ struct esschan {
/* linked list */
struct list_head list;
-#ifdef CONFIG_PM_SLEEP
u16 wc_map[4];
-#endif
};
struct es1968 {
@@ -530,9 +524,7 @@ struct es1968 {
struct list_head substream_list;
spinlock_t substream_lock;
-#ifdef CONFIG_PM_SLEEP
u16 apu_map[NR_APUS][NR_APU_REGS];
-#endif
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
@@ -693,9 +685,7 @@ static void __apu_set_register(struct es1968 *chip, u16 channel, u8 reg, u16 dat
{
if (snd_BUG_ON(channel >= NR_APUS))
return;
-#ifdef CONFIG_PM_SLEEP
chip->apu_map[channel][reg] = data;
-#endif
reg |= (channel << 4);
apu_index_set(chip, reg);
apu_data_set(chip, data);
@@ -980,9 +970,7 @@ static void snd_es1968_program_wavecache(struct es1968 *chip, struct esschan *es
/* set the wavecache control reg */
wave_set_register(chip, es->apu[channel] << 3, tmpval);
-#ifdef CONFIG_PM_SLEEP
es->wc_map[channel] = tmpval;
-#endif
}
@@ -1604,7 +1592,8 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream)
es->mode = ESM_MODE_CAPTURE;
/* get mixbuffer */
- if ((es->mixbuf = snd_es1968_new_memory(chip, ESM_MIXBUF_SIZE)) == NULL) {
+ es->mixbuf = snd_es1968_new_memory(chip, ESM_MIXBUF_SIZE);
+ if (!es->mixbuf) {
snd_es1968_free_apu_pair(chip, apu1);
snd_es1968_free_apu_pair(chip, apu2);
kfree(es);
@@ -1699,11 +1688,13 @@ static void es1968_measure_clock(struct es1968 *chip)
chip->clock = 48000; /* default clock value */
/* search 2 APUs (although one apu is enough) */
- if ((apu = snd_es1968_alloc_apu_pair(chip, ESM_APU_PCM_PLAY)) < 0) {
+ apu = snd_es1968_alloc_apu_pair(chip, ESM_APU_PCM_PLAY);
+ if (apu < 0) {
dev_err(chip->card->dev, "Hmm, cannot find empty APU pair!?\n");
return;
}
- if ((memory = snd_es1968_new_memory(chip, CLOCK_MEASURE_BUFSIZE)) == NULL) {
+ memory = snd_es1968_new_memory(chip, CLOCK_MEASURE_BUFSIZE);
+ if (!memory) {
dev_warn(chip->card->dev,
"cannot allocate dma buffer - using default clock %d\n",
chip->clock);
@@ -1795,7 +1786,8 @@ snd_es1968_pcm(struct es1968 *chip, int device)
int err;
/* get DMA buffer */
- if ((err = snd_es1968_init_dmabuf(chip)) < 0)
+ err = snd_es1968_init_dmabuf(chip);
+ if (err < 0)
return err;
/* set PCMBAR */
@@ -1804,9 +1796,10 @@ snd_es1968_pcm(struct es1968 *chip, int device)
wave_set_register(chip, 0x01FE, chip->dma.addr >> 12);
wave_set_register(chip, 0x01FF, chip->dma.addr >> 12);
- if ((err = snd_pcm_new(chip->card, "ESS Maestro", device,
- chip->playback_streams,
- chip->capture_streams, &pcm)) < 0)
+ err = snd_pcm_new(chip->card, "ESS Maestro", device,
+ chip->playback_streams,
+ chip->capture_streams, &pcm);
+ if (err < 0)
return err;
pcm->private_data = chip;
@@ -1957,7 +1950,8 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id)
struct es1968 *chip = dev_id;
u32 event;
- if (!(event = inb(chip->io_port + 0x1A)))
+ event = inb(chip->io_port + 0x1A);
+ if (!event)
return IRQ_NONE;
outw(inw(chip->io_port + 4) & 1, chip->io_port + 4);
@@ -2003,34 +1997,29 @@ snd_es1968_mixer(struct es1968 *chip)
{
struct snd_ac97_bus *pbus;
struct snd_ac97_template ac97;
-#ifndef CONFIG_SND_ES1968_INPUT
- struct snd_ctl_elem_id elem_id;
-#endif
int err;
static const struct snd_ac97_bus_ops ops = {
.write = snd_es1968_ac97_write,
.read = snd_es1968_ac97_read,
};
- if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
+ err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus);
+ if (err < 0)
return err;
pbus->no_vra = 1; /* ES1968 doesn't need VRA */
memset(&ac97, 0, sizeof(ac97));
ac97.private_data = chip;
- if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
+ err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
+ if (err < 0)
return err;
#ifndef CONFIG_SND_ES1968_INPUT
/* attach master switch / volumes for h/w volume control */
- memset(&elem_id, 0, sizeof(elem_id));
- elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- strcpy(elem_id.name, "Master Playback Switch");
- chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
- memset(&elem_id, 0, sizeof(elem_id));
- elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- strcpy(elem_id.name, "Master Playback Volume");
- chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
+ chip->master_switch = snd_ctl_find_id_mixer(chip->card,
+ "Master Playback Switch");
+ chip->master_volume = snd_ctl_find_id_mixer(chip->card,
+ "Master Playback Volume");
#endif
return 0;
@@ -2359,7 +2348,6 @@ static void snd_es1968_start_irq(struct es1968 *chip)
outw(w, chip->io_port + ESM_PORT_HOST_IRQ);
}
-#ifdef CONFIG_PM_SLEEP
/*
* PM support
*/
@@ -2421,11 +2409,7 @@ static int es1968_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(es1968_pm, es1968_suspend, es1968_resume);
-#define ES1968_PM_OPS &es1968_pm
-#else
-#define ES1968_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(es1968_pm, es1968_suspend, es1968_resume);
#ifdef SUPPORT_JOYSTICK
#define JOYSTICK_ADDR 0x200
@@ -2438,7 +2422,8 @@ static int snd_es1968_create_gameport(struct es1968 *chip, int dev)
if (!joystick[dev])
return -ENODEV;
- r = request_region(JOYSTICK_ADDR, 8, "ES1968 gameport");
+ r = devm_request_region(&chip->pci->dev, JOYSTICK_ADDR, 8,
+ "ES1968 gameport");
if (!r)
return -EBUSY;
@@ -2446,7 +2431,6 @@ static int snd_es1968_create_gameport(struct es1968 *chip, int dev)
if (!gp) {
dev_err(chip->card->dev,
"cannot allocate memory for gameport\n");
- release_and_free_resource(r);
return -ENOMEM;
}
@@ -2457,7 +2441,6 @@ static int snd_es1968_create_gameport(struct es1968 *chip, int dev)
gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
gameport_set_dev_parent(gp, &chip->pci->dev);
gp->io = JOYSTICK_ADDR;
- gameport_set_port_data(gp, r);
gameport_register_port(gp);
@@ -2467,12 +2450,8 @@ static int snd_es1968_create_gameport(struct es1968 *chip, int dev)
static void snd_es1968_free_gameport(struct es1968 *chip)
{
if (chip->gameport) {
- struct resource *r = gameport_get_port_data(chip->gameport);
-
gameport_unregister_port(chip->gameport);
chip->gameport = NULL;
-
- release_and_free_resource(r);
}
}
#else
@@ -2486,7 +2465,7 @@ static int snd_es1968_input_register(struct es1968 *chip)
struct input_dev *input_dev;
int err;
- input_dev = input_allocate_device();
+ input_dev = devm_input_allocate_device(&chip->pci->dev);
if (!input_dev)
return -ENOMEM;
@@ -2506,10 +2485,8 @@ static int snd_es1968_input_register(struct es1968 *chip)
__set_bit(KEY_VOLUMEUP, input_dev->keybit);
err = input_register_device(input_dev);
- if (err) {
- input_free_device(input_dev);
+ if (err)
return err;
- }
chip->input_dev = input_dev;
return 0;
@@ -2593,13 +2570,11 @@ static const struct snd_tea575x_ops snd_es1968_tea_ops = {
};
#endif
-static int snd_es1968_free(struct es1968 *chip)
+static void snd_es1968_free(struct snd_card *card)
{
+ struct es1968 *chip = card->private_data;
+
cancel_work_sync(&chip->hwvol_work);
-#ifdef CONFIG_SND_ES1968_INPUT
- if (chip->input_dev)
- input_unregister_device(chip->input_dev);
-#endif
if (chip->io_port) {
outw(1, chip->io_port + 0x04); /* clear WP interrupts */
@@ -2611,19 +2586,7 @@ static int snd_es1968_free(struct es1968 *chip)
v4l2_device_unregister(&chip->v4l2_dev);
#endif
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
snd_es1968_free_gameport(chip);
- pci_release_regions(chip->pci);
- pci_disable_device(chip->pci);
- kfree(chip);
- return 0;
-}
-
-static int snd_es1968_dev_free(struct snd_device *device)
-{
- struct es1968 *chip = device->device_data;
- return snd_es1968_free(chip);
}
struct ess_device_list {
@@ -2653,35 +2616,22 @@ static int snd_es1968_create(struct snd_card *card,
int capt_streams,
int chip_type,
int do_pm,
- int radio_nr,
- struct es1968 **chip_ret)
+ int radio_nr)
{
- static const struct snd_device_ops ops = {
- .dev_free = snd_es1968_dev_free,
- };
- struct es1968 *chip;
+ struct es1968 *chip = card->private_data;
int i, err;
- *chip_ret = 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 28 bits */
- if (dma_set_mask(&pci->dev, DMA_BIT_MASK(28)) < 0 ||
- dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(28)) < 0) {
+ if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28))) {
dev_err(card->dev,
"architecture does not support 28bit PCI busmaster DMA\n");
- pci_disable_device(pci);
return -ENXIO;
}
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (! chip) {
- pci_disable_device(pci);
- return -ENOMEM;
- }
-
/* Set Vars */
chip->type = chip_type;
spin_lock_init(&chip->reg_lock);
@@ -2697,20 +2647,18 @@ static int snd_es1968_create(struct snd_card *card,
chip->playback_streams = play_streams;
chip->capture_streams = capt_streams;
- if ((err = pci_request_regions(pci, "ESS Maestro")) < 0) {
- kfree(chip);
- pci_disable_device(pci);
+ err = pci_request_regions(pci, "ESS Maestro");
+ if (err < 0)
return err;
- }
chip->io_port = pci_resource_start(pci, 0);
- if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_SHARED,
- KBUILD_MODNAME, chip)) {
+ if (devm_request_irq(&pci->dev, pci->irq, snd_es1968_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, chip)) {
dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
- snd_es1968_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
+ card->private_free = snd_es1968_free;
/* Clear Maestro_map */
for (i = 0; i < 32; i++)
@@ -2744,20 +2692,13 @@ static int snd_es1968_create(struct snd_card *card,
snd_es1968_chip_init(chip);
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
- snd_es1968_free(chip);
- return err;
- }
-
#ifdef CONFIG_SND_ES1968_RADIO
/* don't play with GPIOs on laptops */
if (chip->pci->subsystem_vendor != 0x125d)
- goto no_radio;
+ return 0;
err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
- if (err < 0) {
- snd_es1968_free(chip);
+ if (err < 0)
return err;
- }
chip->tea.v4l2_dev = &chip->v4l2_dev;
chip->tea.private_data = chip;
chip->tea.radio_nr = radio_nr;
@@ -2768,24 +2709,20 @@ static int snd_es1968_create(struct snd_card *card,
if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
dev_info(card->dev, "detected TEA575x radio type %s\n",
get_tea575x_gpio(chip)->name);
- strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
+ strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
sizeof(chip->tea.card));
break;
}
}
-no_radio:
#endif
-
- *chip_ret = chip;
-
return 0;
}
/*
*/
-static int snd_es1968_probe(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
+static int __snd_es1968_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
@@ -2800,27 +2737,25 @@ static int snd_es1968_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;
+ chip = card->private_data;
if (total_bufsize[dev] < 128)
total_bufsize[dev] = 128;
if (total_bufsize[dev] > 4096)
total_bufsize[dev] = 4096;
- if ((err = snd_es1968_create(card, pci,
- total_bufsize[dev] * 1024, /* in bytes */
- pcm_substreams_p[dev],
- pcm_substreams_c[dev],
- pci_id->driver_data,
- use_pm[dev],
- radio_nr[dev],
- &chip)) < 0) {
- snd_card_free(card);
+ err = snd_es1968_create(card, pci,
+ total_bufsize[dev] * 1024, /* in bytes */
+ pcm_substreams_p[dev],
+ pcm_substreams_c[dev],
+ pci_id->driver_data,
+ use_pm[dev],
+ radio_nr[dev]);
+ if (err < 0)
return err;
- }
- card->private_data = chip;
switch (chip->type) {
case TYPE_MAESTRO2E:
@@ -2837,15 +2772,13 @@ static int snd_es1968_probe(struct pci_dev *pci,
break;
}
- if ((err = snd_es1968_pcm(chip, 0)) < 0) {
- snd_card_free(card);
+ err = snd_es1968_pcm(chip, 0);
+ if (err < 0)
return err;
- }
- if ((err = snd_es1968_mixer(chip)) < 0) {
- snd_card_free(card);
+ err = snd_es1968_mixer(chip);
+ if (err < 0)
return err;
- }
if (enable_mpu[dev] == 2) {
/* check the deny list */
@@ -2860,13 +2793,13 @@ static int snd_es1968_probe(struct pci_dev *pci,
}
}
if (enable_mpu[dev]) {
- if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
- chip->io_port + ESM_MPU401_PORT,
- MPU401_INFO_INTEGRATED |
- MPU401_INFO_IRQ_HOOK,
- -1, &chip->rmidi)) < 0) {
+ err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
+ chip->io_port + ESM_MPU401_PORT,
+ MPU401_INFO_INTEGRATED |
+ MPU401_INFO_IRQ_HOOK,
+ -1, &chip->rmidi);
+ if (err < 0)
dev_warn(card->dev, "skipping MPU-401 MIDI support..\n");
- }
}
snd_es1968_create_gameport(chip, dev);
@@ -2887,27 +2820,26 @@ static int snd_es1968_probe(struct pci_dev *pci,
sprintf(card->longname, "%s at 0x%lx, irq %i",
card->shortname, chip->io_port, chip->irq);
- 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_es1968_remove(struct pci_dev *pci)
+static int snd_es1968_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_es1968_probe(pci, pci_id));
}
static struct pci_driver es1968_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_es1968_ids,
.probe = snd_es1968_probe,
- .remove = snd_es1968_remove,
.driver = {
- .pm = ES1968_PM_OPS,
+ .pm = &es1968_pm,
},
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.