#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include "pmac.h"
#include <sound/pcm_params.h>
-#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
#include <asm/pmac_feature.h>
-#else
-#include <asm/feature.h>
-#endif
+#include <asm/pci-bridge.h>
#if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK)
static int snd_pmac_register_sleep_notifier(pmac_t *chip);
static int snd_pmac_unregister_sleep_notifier(pmac_t *chip);
-static int snd_pmac_suspend(snd_card_t *card, unsigned int state);
-static int snd_pmac_resume(snd_card_t *card, unsigned int state);
+static int snd_pmac_suspend(snd_card_t *card, pm_message_t state);
+static int snd_pmac_resume(snd_card_t *card);
#endif
/*
* allocate DBDMA command arrays
*/
-static int snd_pmac_dbdma_alloc(pmac_dbdma_t *rec, int size)
+static int snd_pmac_dbdma_alloc(pmac_t *chip, pmac_dbdma_t *rec, int size)
{
- rec->space = kmalloc(sizeof(struct dbdma_cmd) * (size + 1), GFP_KERNEL);
+ unsigned int rsize = sizeof(struct dbdma_cmd) * (size + 1);
+
+ rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize,
+ &rec->dma_base, GFP_KERNEL);
if (rec->space == NULL)
return -ENOMEM;
rec->size = size;
- memset(rec->space, 0, sizeof(struct dbdma_cmd) * (size + 1));
+ memset(rec->space, 0, rsize);
rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space);
- rec->addr = virt_to_bus(rec->cmds);
+ rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space);
+
return 0;
}
-static void snd_pmac_dbdma_free(pmac_dbdma_t *rec)
+static void snd_pmac_dbdma_free(pmac_t *chip, pmac_dbdma_t *rec)
{
- if (rec)
- kfree(rec->space);
+ if (rec) {
+ unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1);
+
+ dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base);
+ }
}
/* continuous DMA memory type doesn't provide the physical address,
* so we need to resolve the address here...
*/
- offset = virt_to_bus(runtime->dma_area);
+ offset = runtime->dma_addr;
for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) {
st_le32(&cp->phy_addr, offset);
st_le16(&cp->req_count, rec->period_size);
chip->capture.cur_freqs = chip->freqs_ok;
/* preallocate 64k buffer */
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL),
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ &chip->pdev->dev,
64 * 1024, 64 * 1024);
return 0;
/*
* a wrapper to feature call for compatibility
*/
-#if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK)
static void snd_pmac_sound_feature(pmac_t *chip, int enable)
{
-#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable);
-#else
- if (chip->is_pbook_G3) {
- pmu_suspend();
- feature_clear(chip->node, FEATURE_Sound_power);
- feature_clear(chip->node, FEATURE_Sound_CLK_enable);
- big_mdelay(1000); /* XXX */
- pmu_resume();
- }
- if (chip->is_pbook_3400) {
- feature_set(chip->node, FEATURE_IOBUS_enable);
- udelay(10);
- }
-#endif
}
-#else /* CONFIG_PM && CONFIG_PMAC_PBOOK */
-#define snd_pmac_sound_feature(chip,enable) /**/
-#endif /* CONFIG_PM && CONFIG_PMAC_PBOOK */
/*
* release resources
static int snd_pmac_free(pmac_t *chip)
{
- int i;
-
/* stop sounds */
if (chip->initialized) {
snd_pmac_dbdma_reset(chip);
free_irq(chip->tx_irq, (void*)chip);
if (chip->rx_irq >= 0)
free_irq(chip->rx_irq, (void*)chip);
- snd_pmac_dbdma_free(&chip->playback.cmd);
- snd_pmac_dbdma_free(&chip->capture.cmd);
- snd_pmac_dbdma_free(&chip->extra_dma);
+ snd_pmac_dbdma_free(chip, &chip->playback.cmd);
+ snd_pmac_dbdma_free(chip, &chip->capture.cmd);
+ snd_pmac_dbdma_free(chip, &chip->extra_dma);
if (chip->macio_base)
iounmap(chip->macio_base);
if (chip->latch_base)
iounmap(chip->playback.dma);
if (chip->capture.dma)
iounmap(chip->capture.dma);
+#ifndef CONFIG_PPC64
if (chip->node) {
+ int i;
+
for (i = 0; i < 3; i++) {
- if (chip->of_requested & (1 << i))
- release_OF_resource(chip->node, i);
+ if (chip->of_requested & (1 << i)) {
+ if (chip->is_k2)
+ release_OF_resource(chip->node->parent,
+ i);
+ else
+ release_OF_resource(chip->node, i);
+ }
}
}
+#endif /* CONFIG_PPC64 */
+ if (chip->pdev)
+ pci_dev_put(chip->pdev);
kfree(chip);
return 0;
}
*/
static int __init snd_pmac_detect(pmac_t *chip)
{
- struct device_node *sound;
+ struct device_node *sound = NULL;
unsigned int *prop, l;
+ struct macio_chip* macio;
+
+ u32 layout_id = 0;
if (_machine != _MACH_Pmac)
return -ENODEV;
chip->is_pbook_G3 = 1;
chip->node = find_devices("awacs");
if (chip->node)
- return 0; /* ok */
+ sound = chip->node;
/*
* powermac G3 models have a node called "davbus"
* with a child called "sound".
*/
- chip->node = find_devices("davbus");
+ if (!chip->node)
+ chip->node = find_devices("davbus");
/*
* if we didn't find a davbus device, try 'i2s-a' since
* this seems to be what iBooks have
*/
- if (! chip->node)
+ if (! chip->node) {
chip->node = find_devices("i2s-a");
+ if (chip->node && chip->node->parent &&
+ chip->node->parent->parent) {
+ if (device_is_compatible(chip->node->parent->parent,
+ "K2-Keylargo"))
+ chip->is_k2 = 1;
+ }
+ }
if (! chip->node)
return -ENODEV;
- sound = find_devices("sound");
- while (sound && sound->parent != chip->node)
- sound = sound->next;
+
+ if (!sound) {
+ sound = find_devices("sound");
+ while (sound && sound->parent != chip->node)
+ sound = sound->next;
+ }
if (! sound)
return -ENODEV;
prop = (unsigned int *) get_property(sound, "sub-frame", NULL);
if (prop && *prop < 16)
chip->subframe = *prop;
+ prop = (unsigned int *) get_property(sound, "layout-id", NULL);
+ if (prop)
+ layout_id = *prop;
/* This should be verified on older screamers */
if (device_is_compatible(sound, "screamer")) {
chip->model = PMAC_SCREAMER;
chip->freq_table = tumbler_freqs;
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
}
- if (device_is_compatible(sound, "AOAKeylargo")) {
- /* Seems to support the stock AWACS frequencies, but has
- a snapper mixer */
- chip->model = PMAC_SNAPPER;
- // chip->can_byte_swap = 0; /* FIXME: check this */
- chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
+ if (device_is_compatible(sound, "AOAKeylargo") ||
+ device_is_compatible(sound, "AOAbase") ||
+ device_is_compatible(sound, "AOAK2")) {
+ /* For now, only support very basic TAS3004 based machines with
+ * single frequency until proper i2s control is implemented
+ */
+ switch(layout_id) {
+ case 0x48:
+ case 0x46:
+ case 0x33:
+ case 0x29:
+ case 0x24:
+ chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
+ chip->model = PMAC_SNAPPER;
+ chip->can_byte_swap = 0; /* FIXME: check this */
+ chip->control_mask = MASK_IEPC | 0x11;/* disable IEE */
+ break;
+ case 0x3a:
+ chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
+ chip->model = PMAC_TOONIE;
+ chip->can_byte_swap = 0; /* FIXME: check this */
+ chip->control_mask = MASK_IEPC | 0x11;/* disable IEE */
+ break;
+ }
}
prop = (unsigned int *)get_property(sound, "device-id", NULL);
if (prop)
chip->device_id = *prop;
chip->has_iic = (find_devices("perch") != NULL);
+ /* We need the PCI device for DMA allocations, let's use a crude method
+ * for now ...
+ */
+ macio = macio_find(chip->node, macio_unknown);
+ if (macio == NULL)
+ printk(KERN_WARNING "snd-powermac: can't locate macio !\n");
+ else {
+ struct pci_dev *pdev = NULL;
+
+ for_each_pci_dev(pdev) {
+ struct device_node *np = pci_device_to_OF_node(pdev);
+ if (np && np == macio->of_node) {
+ chip->pdev = pdev;
+ break;
+ }
+ }
+ }
+ if (chip->pdev == NULL)
+ printk(KERN_WARNING "snd-powermac: can't locate macio PCI"
+ " device !\n");
+
detect_byte_swap(chip);
/* look for a property saying what sample rates
are available */
prop = (unsigned int *) get_property(sound, "sample-rates", &l);
if (! prop)
- prop = (unsigned int *) get_property(sound, "output-frame-rates", &l);
+ prop = (unsigned int *) get_property(sound,
+ "output-frame-rates", &l);
if (prop) {
int i;
chip->freqs_ok = 0;
/*
* exported - boolean info callbacks for ease of programming
*/
-int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol,
+ snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 2;
return 0;
}
-int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol,
+ snd_ctl_elem_info_t *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 1;
int err;
chip->auto_mute = 1;
err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip));
- if (err < 0)
+ if (err < 0) {
+ printk(KERN_ERR "snd-powermac: Failed to add automute control\n");
return err;
+ }
chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip);
return snd_ctl_add(chip->card, chip->hp_detect_ctl);
}
pmac_t *chip;
struct device_node *np;
int i, err;
+ unsigned long ctrl_addr, txdma_addr, rxdma_addr;
static snd_device_ops_t ops = {
.dev_free = snd_pmac_dev_free,
};
if ((err = snd_pmac_detect(chip)) < 0)
goto __error;
- if (snd_pmac_dbdma_alloc(&chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 ||
- snd_pmac_dbdma_alloc(&chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 ||
- snd_pmac_dbdma_alloc(&chip->extra_dma, 2) < 0) {
+ if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 ||
+ snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 ||
+ snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0) {
err = -ENOMEM;
goto __error;
}
np = chip->node;
- if (np->n_addrs < 3 || np->n_intrs < 3) {
- err = -ENODEV;
- goto __error;
- }
+ if (chip->is_k2) {
+ if (np->parent->n_addrs < 2 || np->n_intrs < 3) {
+ err = -ENODEV;
+ goto __error;
+ }
+ for (i = 0; i < 2; i++) {
+#ifndef CONFIG_PPC64
+ static char *name[2] = { "- Control", "- DMA" };
+ if (! request_OF_resource(np->parent, i, name[i])) {
+ snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i);
+ err = -ENODEV;
+ goto __error;
+ }
+ chip->of_requested |= (1 << i);
+#endif /* CONFIG_PPC64 */
+ ctrl_addr = np->parent->addrs[0].address;
+ txdma_addr = np->parent->addrs[1].address;
+ rxdma_addr = txdma_addr + 0x100;
+ }
- for (i = 0; i < 3; i++) {
- static char *name[3] = { NULL, "- Tx DMA", "- Rx DMA" };
- if (! request_OF_resource(np, i, name[i])) {
- snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i);
+ } else {
+ if (np->n_addrs < 3 || np->n_intrs < 3) {
err = -ENODEV;
goto __error;
}
- chip->of_requested |= (1 << i);
+
+ for (i = 0; i < 3; i++) {
+#ifndef CONFIG_PPC64
+ static char *name[3] = { "- Control", "- Tx DMA", "- Rx DMA" };
+ if (! request_OF_resource(np, i, name[i])) {
+ snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i);
+ err = -ENODEV;
+ goto __error;
+ }
+ chip->of_requested |= (1 << i);
+#endif /* CONFIG_PPC64 */
+ ctrl_addr = np->addrs[0].address;
+ txdma_addr = np->addrs[1].address;
+ rxdma_addr = np->addrs[2].address;
+ }
}
- chip->awacs = ioremap(np->addrs[0].address, 0x1000);
- chip->playback.dma = ioremap(np->addrs[1].address, 0x100);
- chip->capture.dma = ioremap(np->addrs[2].address, 0x100);
+ chip->awacs = ioremap(ctrl_addr, 0x1000);
+ chip->playback.dma = ioremap(txdma_addr, 0x100);
+ chip->capture.dma = ioremap(rxdma_addr, 0x100);
if (chip->model <= PMAC_BURGUNDY) {
if (request_irq(np->intrs[0].line, snd_pmac_ctrl_intr, 0,
"PMac", (void*)chip)) {
snd_pmac_sound_feature(chip, 1);
/* reset */
- out_le32(&chip->awacs->control, 0x11);
+ if (chip->model == PMAC_AWACS)
+ out_le32(&chip->awacs->control, 0x11);
/* Powerbooks have odd ways of enabling inputs such as
an expansion-bay CD or sound from an internal modem
return 0;
__error:
+ if (chip->pdev)
+ pci_dev_put(chip->pdev);
snd_pmac_free(chip);
return err;
}
* Save state when going to sleep, restore it afterwards.
*/
-static int snd_pmac_suspend(snd_card_t *card, unsigned int state)
+static int snd_pmac_suspend(snd_card_t *card, pm_message_t state)
{
pmac_t *chip = card->pm_private_data;
unsigned long flags;
return 0;
}
-static int snd_pmac_resume(snd_card_t *card, unsigned int state)
+static int snd_pmac_resume(snd_card_t *card)
{
pmac_t *chip = card->pm_private_data;
switch (when) {
case PBOOK_SLEEP_NOW:
- snd_pmac_suspend(chip->card, 0);
+ snd_pmac_suspend(chip->card, PMSG_SUSPEND);
break;
case PBOOK_WAKE:
- snd_pmac_resume(chip->card, 0);
+ snd_pmac_resume(chip->card);
break;
}
return PBOOK_SLEEP_OK;