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Diffstat (limited to 'sound/ppc/pmac.c')
-rw-r--r--sound/ppc/pmac.c177
1 files changed, 119 insertions, 58 deletions
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index f9a9601769aa..3bf5f069a03d 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -27,14 +27,13 @@
#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)
@@ -57,22 +56,29 @@ static int tumbler_freqs[1] = {
/*
* 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);
+ }
}
@@ -237,7 +243,7 @@ static int snd_pmac_pcm_prepare(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substr
/* 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);
@@ -664,8 +670,8 @@ int __init snd_pmac_pcm_new(pmac_t *chip)
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;
@@ -757,28 +763,10 @@ snd_pmac_ctrl_intr(int irq, void *devid, struct pt_regs *regs)
/*
* 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
@@ -786,8 +774,6 @@ static void snd_pmac_sound_feature(pmac_t *chip, int enable)
static int snd_pmac_free(pmac_t *chip)
{
- int i;
-
/* stop sounds */
if (chip->initialized) {
snd_pmac_dbdma_reset(chip);
@@ -813,9 +799,9 @@ static int snd_pmac_free(pmac_t *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)
@@ -826,12 +812,23 @@ static int snd_pmac_free(pmac_t *chip)
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;
}
@@ -881,6 +878,8 @@ static int __init snd_pmac_detect(pmac_t *chip)
{
struct device_node *sound;
unsigned int *prop, l;
+ struct macio_chip* macio;
+
u32 layout_id = 0;
if (_machine != _MACH_Pmac)
@@ -918,10 +917,17 @@ static int __init snd_pmac_detect(pmac_t *chip)
* 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;
@@ -966,7 +972,8 @@ static int __init snd_pmac_detect(pmac_t *chip)
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
}
if (device_is_compatible(sound, "AOAKeylargo") ||
- device_is_compatible(sound, "AOAbase")) {
+ 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
*/
@@ -975,6 +982,7 @@ static int __init snd_pmac_detect(pmac_t *chip)
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 */
@@ -987,6 +995,26 @@ static int __init snd_pmac_detect(pmac_t *chip)
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
@@ -1091,8 +1119,10 @@ int __init snd_pmac_add_automute(pmac_t *chip)
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);
}
@@ -1106,6 +1136,7 @@ int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return)
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,
};
@@ -1127,32 +1158,59 @@ int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return)
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)) {
@@ -1180,7 +1238,8 @@ int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return)
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
@@ -1232,6 +1291,8 @@ int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return)
return 0;
__error:
+ if (chip->pdev)
+ pci_dev_put(chip->pdev);
snd_pmac_free(chip);
return err;
}