#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
-
-#define chip_t pmac_t
-
-
-#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);
-#endif
+#include <asm/pci-bridge.h>
/* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */
44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350
};
/* fixed frequency table for tumbler */
-static int tumbler_freqs[2] = {
- 48000, 44100
+static int tumbler_freqs[1] = {
+ 44100
};
/*
* allocate DBDMA command arrays
*/
-static int snd_pmac_dbdma_alloc(pmac_dbdma_t *rec, int size)
+static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *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));
- rec->cmds = (void*)DBDMA_ALIGN(rec->space);
- rec->addr = virt_to_bus(rec->cmds);
+ memset(rec->space, 0, rsize);
+ rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space);
+ 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(struct snd_pmac *chip, struct pmac_dbdma *rec)
{
- if (rec && rec->space)
- kfree(rec->space);
+ if (rec->space) {
+ unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1);
+
+ dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base);
+ }
}
* look up frequency table
*/
-static unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate)
+unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate)
{
int i, ok, found;
/*
* allocate buffers
*/
-static int snd_pmac_pcm_hw_params(snd_pcm_substream_t *subs,
- snd_pcm_hw_params_t *hw_params)
+static int snd_pmac_pcm_hw_params(struct snd_pcm_substream *subs,
+ struct snd_pcm_hw_params *hw_params)
{
return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params));
}
/*
* release buffers
*/
-static int snd_pmac_pcm_hw_free(snd_pcm_substream_t *subs)
+static int snd_pmac_pcm_hw_free(struct snd_pcm_substream *subs)
{
snd_pcm_lib_free_pages(subs);
return 0;
/*
* get a stream of the opposite direction
*/
-static pmac_stream_t *snd_pmac_get_stream(pmac_t *chip, int stream)
+static struct pmac_stream *snd_pmac_get_stream(struct snd_pmac *chip, int stream)
{
switch (stream) {
case SNDRV_PCM_STREAM_PLAYBACK:
/*
* wait while run status is on
*/
-inline static void
-snd_pmac_wait_ack(pmac_stream_t *rec)
+static inline void
+snd_pmac_wait_ack(struct pmac_stream *rec)
{
int timeout = 50000;
while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0)
* set the format and rate to the chip.
* call the lowlevel function if defined (e.g. for AWACS).
*/
-static void snd_pmac_pcm_set_format(pmac_t *chip)
+static void snd_pmac_pcm_set_format(struct snd_pmac *chip)
{
/* set up frequency and format */
out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8));
/*
* stop the DMA transfer
*/
-inline static void snd_pmac_dma_stop(pmac_stream_t *rec)
+static inline void snd_pmac_dma_stop(struct pmac_stream *rec)
{
out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16);
snd_pmac_wait_ack(rec);
/*
* set the command pointer address
*/
-inline static void snd_pmac_dma_set_command(pmac_stream_t *rec, pmac_dbdma_t *cmd)
+static inline void snd_pmac_dma_set_command(struct pmac_stream *rec, struct pmac_dbdma *cmd)
{
out_le32(&rec->dma->cmdptr, cmd->addr);
}
/*
* start the DMA
*/
-inline static void snd_pmac_dma_run(pmac_stream_t *rec, int status)
+static inline void snd_pmac_dma_run(struct pmac_stream *rec, int status)
{
out_le32(&rec->dma->control, status | (status << 16));
}
/*
* prepare playback/capture stream
*/
-static int snd_pmac_pcm_prepare(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs)
+static int snd_pmac_pcm_prepare(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_substream *subs)
{
int i;
- volatile struct dbdma_cmd *cp;
- unsigned long flags;
- snd_pcm_runtime_t *runtime = subs->runtime;
+ volatile struct dbdma_cmd __iomem *cp;
+ struct snd_pcm_runtime *runtime = subs->runtime;
int rate_index;
long offset;
- pmac_stream_t *astr;
+ struct pmac_stream *astr;
rec->dma_size = snd_pcm_lib_buffer_bytes(subs);
rec->period_size = snd_pcm_lib_period_bytes(subs);
/* set up constraints */
astr = snd_pmac_get_stream(chip, another_stream(rec->stream));
- snd_runtime_check(astr, return -EINVAL);
+ if (! astr)
+ return -EINVAL;
astr->cur_freqs = 1 << rate_index;
astr->cur_formats = 1 << runtime->format;
chip->rate_index = rate_index;
/* We really want to execute a DMA stop command, after the AWACS
* is initialized.
* For reasons I don't understand, it stops the hissing noise
- * common to many PowerBook G3 systems (like mine :-).
+ * common to many PowerBook G3 systems and random noise otherwise
+ * captured on iBook2's about every third time. -ReneR
*/
- spin_lock_irqsave(&chip->reg_lock, flags);
+ spin_lock_irq(&chip->reg_lock);
snd_pmac_dma_stop(rec);
- if (rec->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP);
- snd_pmac_dma_set_command(rec, &chip->extra_dma);
- snd_pmac_dma_run(rec, RUN);
- }
+ st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP);
+ snd_pmac_dma_set_command(rec, &chip->extra_dma);
+ snd_pmac_dma_run(rec, RUN);
+ spin_unlock_irq(&chip->reg_lock);
+ mdelay(5);
+ spin_lock_irq(&chip->reg_lock);
/* 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);
snd_pmac_dma_stop(rec);
snd_pmac_dma_set_command(rec, &rec->cmd);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ spin_unlock_irq(&chip->reg_lock);
return 0;
}
/*
* PCM trigger/stop
*/
-static int snd_pmac_pcm_trigger(pmac_t *chip, pmac_stream_t *rec,
- snd_pcm_substream_t *subs, int cmd)
+static int snd_pmac_pcm_trigger(struct snd_pmac *chip, struct pmac_stream *rec,
+ struct snd_pcm_substream *subs, int cmd)
{
- unsigned long flags;
- volatile struct dbdma_cmd *cp;
+ volatile struct dbdma_cmd __iomem *cp;
int i, command;
switch (cmd) {
return -EBUSY;
command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ?
OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS;
- spin_lock_irqsave(&chip->reg_lock, flags);
+ spin_lock(&chip->reg_lock);
snd_pmac_beep_stop(chip);
snd_pmac_pcm_set_format(chip);
for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++)
(void)in_le32(&rec->dma->status);
snd_pmac_dma_run(rec, RUN|WAKE);
rec->running = 1;
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ spin_unlock(&chip->reg_lock);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
- spin_lock_irqsave(&chip->reg_lock, flags);
+ spin_lock(&chip->reg_lock);
rec->running = 0;
/*printk("stopped!!\n");*/
snd_pmac_dma_stop(rec);
for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++)
out_le16(&cp->command, DBDMA_STOP);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ spin_unlock(&chip->reg_lock);
break;
default:
* return the current pointer
*/
inline
-static snd_pcm_uframes_t snd_pmac_pcm_pointer(pmac_t *chip, pmac_stream_t *rec,
- snd_pcm_substream_t *subs)
+static snd_pcm_uframes_t snd_pmac_pcm_pointer(struct snd_pmac *chip,
+ struct pmac_stream *rec,
+ struct snd_pcm_substream *subs)
{
int count = 0;
#if 1 /* hmm.. how can we get the current dma pointer?? */
int stat;
- volatile struct dbdma_cmd *cp = &rec->cmd.cmds[rec->cur_period];
+ volatile struct dbdma_cmd __iomem *cp = &rec->cmd.cmds[rec->cur_period];
stat = ld_le16(&cp->xfer_status);
if (stat & (ACTIVE|DEAD)) {
count = in_le16(&cp->res_count);
- count = rec->period_size - count;
+ if (count)
+ count = rec->period_size - count;
}
#endif
count += rec->cur_period * rec->period_size;
* playback
*/
-static int snd_pmac_playback_prepare(snd_pcm_substream_t *subs)
+static int snd_pmac_playback_prepare(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_prepare(chip, &chip->playback, subs);
}
-static int snd_pmac_playback_trigger(snd_pcm_substream_t *subs,
+static int snd_pmac_playback_trigger(struct snd_pcm_substream *subs,
int cmd)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd);
}
-static snd_pcm_uframes_t snd_pmac_playback_pointer(snd_pcm_substream_t *subs)
+static snd_pcm_uframes_t snd_pmac_playback_pointer(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_pointer(chip, &chip->playback, subs);
}
* capture
*/
-static int snd_pmac_capture_prepare(snd_pcm_substream_t *subs)
+static int snd_pmac_capture_prepare(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_prepare(chip, &chip->capture, subs);
}
-static int snd_pmac_capture_trigger(snd_pcm_substream_t *subs,
+static int snd_pmac_capture_trigger(struct snd_pcm_substream *subs,
int cmd)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd);
}
-static snd_pcm_uframes_t snd_pmac_capture_pointer(snd_pcm_substream_t *subs)
+static snd_pcm_uframes_t snd_pmac_capture_pointer(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_pointer(chip, &chip->capture, subs);
}
/*
* update playback/capture pointer from interrupts
*/
-static void snd_pmac_pcm_update(pmac_t *chip, pmac_stream_t *rec)
+static void snd_pmac_pcm_update(struct snd_pmac *chip, struct pmac_stream *rec)
{
- volatile struct dbdma_cmd *cp;
+ volatile struct dbdma_cmd __iomem *cp;
int c;
int stat;
* hw info
*/
-static snd_pcm_hardware_t snd_pmac_playback =
+static struct snd_pcm_hardware snd_pmac_playback =
{
.info = (SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP |
.rate_max = 44100,
.channels_min = 2,
.channels_max = 2,
- .buffer_bytes_max = 32768,
+ .buffer_bytes_max = 131072,
.period_bytes_min = 256,
.period_bytes_max = 16384,
- .periods_min = 1,
+ .periods_min = 3,
.periods_max = PMAC_MAX_FRAGS,
};
-static snd_pcm_hardware_t snd_pmac_capture =
+static struct snd_pcm_hardware snd_pmac_capture =
{
.info = (SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP |
.rate_max = 44100,
.channels_min = 2,
.channels_max = 2,
- .buffer_bytes_max = 32768,
+ .buffer_bytes_max = 131072,
.period_bytes_min = 256,
.period_bytes_max = 16384,
- .periods_min = 1,
+ .periods_min = 3,
.periods_max = PMAC_MAX_FRAGS,
};
#if 0 // NYI
-static int snd_pmac_hw_rule_rate(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pmac_hw_rule_rate(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- pmac_t *chip = rule->private;
- pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]);
+ struct snd_pmac *chip = rule->private;
+ struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]);
int i, freq_table[8], num_freqs;
- snd_runtime_check(rec, return -EINVAL);
+ if (! rec)
+ return -EINVAL;
num_freqs = 0;
for (i = chip->num_freqs - 1; i >= 0; i--) {
if (rec->cur_freqs & (1 << i))
num_freqs, freq_table, 0);
}
-static int snd_pmac_hw_rule_format(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pmac_hw_rule_format(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- pmac_t *chip = rule->private;
- pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]);
+ struct snd_pmac *chip = rule->private;
+ struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]);
- snd_runtime_check(rec, return -EINVAL);
+ if (! rec)
+ return -EINVAL;
return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT),
rec->cur_formats);
}
#endif // NYI
-static int snd_pmac_pcm_open(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs)
+static int snd_pmac_pcm_open(struct snd_pmac *chip, struct pmac_stream *rec,
+ struct snd_pcm_substream *subs)
{
- snd_pcm_runtime_t *runtime = subs->runtime;
+ struct snd_pcm_runtime *runtime = subs->runtime;
int i, j, fflags;
static int typical_freqs[] = {
- 48000,
44100,
22050,
11025,
0,
};
static int typical_freq_flags[] = {
- SNDRV_PCM_RATE_48000,
SNDRV_PCM_RATE_44100,
SNDRV_PCM_RATE_22050,
SNDRV_PCM_RATE_11025,
if (chip->can_duplex)
snd_pcm_set_sync(subs);
+ /* constraints to fix choppy sound */
+ snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
return 0;
}
-static int snd_pmac_pcm_close(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs)
+static int snd_pmac_pcm_close(struct snd_pmac *chip, struct pmac_stream *rec,
+ struct snd_pcm_substream *subs)
{
- pmac_stream_t *astr;
+ struct pmac_stream *astr;
snd_pmac_dma_stop(rec);
astr = snd_pmac_get_stream(chip, another_stream(rec->stream));
- snd_runtime_check(astr, return -EINVAL);
+ if (! astr)
+ return -EINVAL;
/* reset constraints */
astr->cur_freqs = chip->freqs_ok;
return 0;
}
-static int snd_pmac_playback_open(snd_pcm_substream_t *subs)
+static int snd_pmac_playback_open(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
subs->runtime->hw = snd_pmac_playback;
return snd_pmac_pcm_open(chip, &chip->playback, subs);
}
-static int snd_pmac_capture_open(snd_pcm_substream_t *subs)
+static int snd_pmac_capture_open(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
subs->runtime->hw = snd_pmac_capture;
return snd_pmac_pcm_open(chip, &chip->capture, subs);
}
-static int snd_pmac_playback_close(snd_pcm_substream_t *subs)
+static int snd_pmac_playback_close(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_close(chip, &chip->playback, subs);
}
-static int snd_pmac_capture_close(snd_pcm_substream_t *subs)
+static int snd_pmac_capture_close(struct snd_pcm_substream *subs)
{
- pmac_t *chip = snd_pcm_substream_chip(subs);
+ struct snd_pmac *chip = snd_pcm_substream_chip(subs);
return snd_pmac_pcm_close(chip, &chip->capture, subs);
}
/*
*/
-static snd_pcm_ops_t snd_pmac_playback_ops = {
+static struct snd_pcm_ops snd_pmac_playback_ops = {
.open = snd_pmac_playback_open,
.close = snd_pmac_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.pointer = snd_pmac_playback_pointer,
};
-static snd_pcm_ops_t snd_pmac_capture_ops = {
+static struct snd_pcm_ops snd_pmac_capture_ops = {
.open = snd_pmac_capture_open,
.close = snd_pmac_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.pointer = snd_pmac_capture_pointer,
};
-static void pmac_pcm_free(snd_pcm_t *pcm)
+int __init snd_pmac_pcm_new(struct snd_pmac *chip)
{
- snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
-int __init snd_pmac_pcm_new(pmac_t *chip)
-{
- snd_pcm_t *pcm;
+ struct snd_pcm *pcm;
int err;
int num_captures = 1;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_pmac_capture_ops);
pcm->private_data = chip;
- pcm->private_free = pmac_pcm_free;
- pcm->info_flags = 0;
+ pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
strcpy(pcm->name, chip->card->shortname);
chip->pcm = pcm;
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;
}
-static void snd_pmac_dbdma_reset(pmac_t *chip)
+static void snd_pmac_dbdma_reset(struct snd_pmac *chip)
{
out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16);
snd_pmac_wait_ack(&chip->playback);
}
+/*
+ * handling beep
+ */
+void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed)
+{
+ struct pmac_stream *rec = &chip->playback;
+
+ snd_pmac_dma_stop(rec);
+ st_le16(&chip->extra_dma.cmds->req_count, bytes);
+ st_le16(&chip->extra_dma.cmds->xfer_status, 0);
+ st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr);
+ st_le32(&chip->extra_dma.cmds->phy_addr, addr);
+ st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS);
+ out_le32(&chip->awacs->control,
+ (in_le32(&chip->awacs->control) & ~0x1f00)
+ | (speed << 8));
+ out_le32(&chip->awacs->byteswap, 0);
+ snd_pmac_dma_set_command(rec, &chip->extra_dma);
+ snd_pmac_dma_run(rec, RUN);
+}
+
+void snd_pmac_beep_dma_stop(struct snd_pmac *chip)
+{
+ snd_pmac_dma_stop(&chip->playback);
+ st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP);
+ snd_pmac_pcm_set_format(chip); /* reset format */
+}
+
+
/*
* interrupt handlers
*/
static irqreturn_t
snd_pmac_tx_intr(int irq, void *devid, struct pt_regs *regs)
{
- pmac_t *chip = snd_magic_cast(pmac_t, devid, return IRQ_NONE);
+ struct snd_pmac *chip = devid;
snd_pmac_pcm_update(chip, &chip->playback);
return IRQ_HANDLED;
}
static irqreturn_t
snd_pmac_rx_intr(int irq, void *devid, struct pt_regs *regs)
{
- pmac_t *chip = snd_magic_cast(pmac_t, devid, return IRQ_NONE);
+ struct snd_pmac *chip = devid;
snd_pmac_pcm_update(chip, &chip->capture);
return IRQ_HANDLED;
}
static irqreturn_t
snd_pmac_ctrl_intr(int irq, void *devid, struct pt_regs *regs)
{
- pmac_t *chip = snd_magic_cast(pmac_t, devid, return IRQ_NONE);
+ struct snd_pmac *chip = devid;
int ctrl = in_le32(&chip->awacs->control);
/*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/
/*
* 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)
+static void snd_pmac_sound_feature(struct snd_pmac *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
+ if (ppc_md.feature_call)
+ ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable);
}
-#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)
+static int snd_pmac_free(struct snd_pmac *chip)
{
- int i;
-
/* stop sounds */
if (chip->initialized) {
snd_pmac_dbdma_reset(chip);
}
snd_pmac_sound_feature(chip, 0);
-#if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK)
- snd_pmac_unregister_sleep_notifier(chip);
-#endif
/* clean up mixer if any */
if (chip->mixer_free)
chip->mixer_free(chip);
+ snd_pmac_detach_beep(chip);
+
/* release resources */
if (chip->irq >= 0)
free_irq(chip->irq, (void*)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->latch_base);
if (chip->awacs)
- iounmap((void*)chip->awacs);
+ iounmap(chip->awacs);
if (chip->playback.dma)
- iounmap((void*)chip->playback.dma);
+ iounmap(chip->playback.dma);
if (chip->capture.dma)
- iounmap((void*)chip->capture.dma);
+ iounmap(chip->capture.dma);
+
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->requested & (1 << i))
+ release_mem_region(chip->rsrc[i].start,
+ chip->rsrc[i].end -
+ chip->rsrc[i].start + 1);
}
}
- snd_magic_kfree(chip);
+
+ if (chip->pdev)
+ pci_dev_put(chip->pdev);
+ kfree(chip);
return 0;
}
/*
* free the device
*/
-static int snd_pmac_dev_free(snd_device_t *device)
+static int snd_pmac_dev_free(struct snd_device *device)
{
- pmac_t *chip = snd_magic_cast(pmac_t, device->device_data, return -ENXIO);
+ struct snd_pmac *chip = device->device_data;
return snd_pmac_free(chip);
}
* check the machine support byteswap (little-endian)
*/
-static void __init detect_byte_swap(pmac_t *chip)
+static void __init detect_byte_swap(struct snd_pmac *chip)
{
struct device_node *mio;
/*
* detect a sound chip
*/
-static int __init snd_pmac_detect(pmac_t *chip)
+static int __init snd_pmac_detect(struct snd_pmac *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->can_byte_swap = 1;
chip->can_duplex = 1;
chip->can_capture = 1;
- chip->num_freqs = 8;
+ chip->num_freqs = ARRAY_SIZE(awacs_freqs);
chip->freq_table = awacs_freqs;
+ chip->pdev = NULL;
chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */
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", 0);
+ 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->can_capture = 0; /* no capture */
chip->can_duplex = 0;
// chip->can_byte_swap = 0; /* FIXME: check this */
- chip->num_freqs = 2;
+ chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
chip->freq_table = tumbler_freqs;
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
}
if (device_is_compatible(sound, "snapper")) {
chip->model = PMAC_SNAPPER;
// chip->can_byte_swap = 0; /* FIXME: check this */
- chip->num_freqs = 2;
+ chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
chip->freq_table = tumbler_freqs;
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
}
- prop = (unsigned int *)get_property(sound, "device-id", 0);
+ 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 0x24:
+ case 0x29:
+ case 0x33:
+ case 0x46:
+ case 0x48:
+ case 0x50:
+ case 0x5c:
+ 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;
+ default:
+ printk(KERN_ERR "snd: Unknown layout ID 0x%x\n",
+ layout_id);
+ return -ENODEV;
+
+ }
+ }
+ 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(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 1;
/*
* auto-mute
*/
-static int pmac_auto_mute_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int pmac_auto_mute_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] = chip->auto_mute;
return 0;
}
-static int pmac_auto_mute_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int pmac_auto_mute_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.integer.value[0] != chip->auto_mute) {
chip->auto_mute = ucontrol->value.integer.value[0];
if (chip->update_automute)
return 0;
}
-static int pmac_hp_detect_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int pmac_hp_detect_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
if (chip->detect_headphone)
ucontrol->value.integer.value[0] = chip->detect_headphone(chip);
else
return 0;
}
-static snd_kcontrol_new_t auto_mute_controls[] __initdata = {
+static struct snd_kcontrol_new auto_mute_controls[] __initdata = {
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Auto Mute Switch",
.info = snd_pmac_boolean_mono_info,
},
};
-int __init snd_pmac_add_automute(pmac_t *chip)
+int __init snd_pmac_add_automute(struct snd_pmac *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);
}
/*
* create and detect a pmac chip record
*/
-int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return)
+int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return)
{
- pmac_t *chip;
+ struct snd_pmac *chip;
struct device_node *np;
int i, err;
- static snd_device_ops_t ops = {
+ unsigned long ctrl_addr, txdma_addr, rxdma_addr;
+ static struct snd_device_ops ops = {
.dev_free = snd_pmac_dev_free,
};
- snd_runtime_check(chip_return, return -EINVAL);
*chip_return = NULL;
- chip = snd_magic_kcalloc(pmac_t, 0, GFP_KERNEL);
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->card = card;
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;
- }
-
- 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);
+ chip->requested = 0;
+ if (chip->is_k2) {
+ static char *rnames[] = {
+ "Sound Control", "Sound DMA" };
+ if (np->n_intrs < 3) {
+ err = -ENODEV;
+ goto __error;
+ }
+ for (i = 0; i < 2; i ++) {
+ if (of_address_to_resource(np->parent, i,
+ &chip->rsrc[i])) {
+ printk(KERN_ERR "snd: can't translate rsrc "
+ " %d (%s)\n", i, rnames[i]);
+ err = -ENODEV;
+ goto __error;
+ }
+ if (request_mem_region(chip->rsrc[i].start,
+ chip->rsrc[i].end -
+ chip->rsrc[i].start + 1,
+ rnames[i]) == NULL) {
+ printk(KERN_ERR "snd: can't request rsrc "
+ " %d (%s: 0x%08lx:%08lx)\n",
+ i, rnames[i], chip->rsrc[i].start,
+ chip->rsrc[i].end);
+ err = -ENODEV;
+ goto __error;
+ }
+ chip->requested |= (1 << i);
+ }
+ ctrl_addr = chip->rsrc[0].start;
+ txdma_addr = chip->rsrc[1].start;
+ rxdma_addr = txdma_addr + 0x100;
+ } else {
+ static char *rnames[] = {
+ "Sound Control", "Sound Tx DMA", "Sound Rx DMA" };
+ if (np->n_intrs < 3) {
err = -ENODEV;
goto __error;
}
- chip->of_requested |= (1 << i);
+ for (i = 0; i < 3; i ++) {
+ if (of_address_to_resource(np, i,
+ &chip->rsrc[i])) {
+ printk(KERN_ERR "snd: can't translate rsrc "
+ " %d (%s)\n", i, rnames[i]);
+ err = -ENODEV;
+ goto __error;
+ }
+ if (request_mem_region(chip->rsrc[i].start,
+ chip->rsrc[i].end -
+ chip->rsrc[i].start + 1,
+ rnames[i]) == NULL) {
+ printk(KERN_ERR "snd: can't request rsrc "
+ " %d (%s: 0x%08lx:%08lx)\n",
+ i, rnames[i], chip->rsrc[i].start,
+ chip->rsrc[i].end);
+ err = -ENODEV;
+ goto __error;
+ }
+ chip->requested |= (1 << i);
+ }
+ ctrl_addr = chip->rsrc[0].start;
+ txdma_addr = chip->rsrc[1].start;
+ rxdma_addr = chip->rsrc[2].start;
}
- chip->awacs = (volatile struct awacs_regs *) ioremap(np->addrs[0].address, 0x1000);
- chip->playback.dma = (volatile struct dbdma_regs *) ioremap(np->addrs[1].address, 0x100);
- chip->capture.dma = (volatile struct dbdma_regs *) 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
* sound input. The 0x100 enables the SCSI bus
* terminator power.
*/
- chip->latch_base = (unsigned char *) ioremap (0xf301a000, 0x1000);
+ chip->latch_base = ioremap (0xf301a000, 0x1000);
in_8(chip->latch_base + 0x190);
} else if (chip->is_pbook_G3) {
struct device_node* mio;
for (mio = chip->node->parent; mio; mio = mio->parent) {
- if (strcmp(mio->name, "mac-io") == 0
- && mio->n_addrs > 0) {
- chip->macio_base = (unsigned char *) ioremap
- (mio->addrs[0].address, 0x40);
+ if (strcmp(mio->name, "mac-io") == 0) {
+ struct resource r;
+ if (of_address_to_resource(mio, 0, &r) == 0)
+ chip->macio_base =
+ ioremap(r.start, 0x40);
break;
}
}
/* Reset dbdma channels */
snd_pmac_dbdma_reset(chip);
-#if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK)
- /* add sleep notifier */
- if (! snd_pmac_register_sleep_notifier(chip))
- snd_card_set_pm_callback(chip->card, snd_pmac_suspend, snd_pmac_resume, chip);
-#endif
-
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
goto __error;
return 0;
__error:
+ if (chip->pdev)
+ pci_dev_put(chip->pdev);
snd_pmac_free(chip);
return err;
}
* sleep notify for powerbook
*/
-#if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK)
+#ifdef CONFIG_PM
/*
* Save state when going to sleep, restore it afterwards.
*/
-static int snd_pmac_suspend(snd_card_t *card, unsigned int state)
+void snd_pmac_suspend(struct snd_pmac *chip)
{
- pmac_t *chip = snd_magic_cast(pmac_t, card->pm_private_data, return -EINVAL);
unsigned long flags;
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
if (chip->suspend)
chip->suspend(chip);
snd_pcm_suspend_all(chip->pcm);
if (chip->rx_irq >= 0)
disable_irq(chip->rx_irq);
snd_pmac_sound_feature(chip, 0);
- snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
- return 0;
}
-static int snd_pmac_resume(snd_card_t *card, unsigned int state)
+void snd_pmac_resume(struct snd_pmac *chip)
{
- pmac_t *chip = snd_magic_cast(pmac_t, card->pm_private_data, return -EINVAL);
-
snd_pmac_sound_feature(chip, 1);
if (chip->resume)
chip->resume(chip);
/* enable CD sound input */
- if (chip->macio_base && chip->is_pbook_G3) {
+ if (chip->macio_base && chip->is_pbook_G3)
out_8(chip->macio_base + 0x37, 3);
- } else if (chip->is_pbook_3400) {
+ else if (chip->is_pbook_3400)
in_8(chip->latch_base + 0x190);
- }
snd_pmac_pcm_set_format(chip);
if (chip->rx_irq >= 0)
enable_irq(chip->rx_irq);
- snd_power_change_state(card, SNDRV_CTL_POWER_D0);
- return 0;
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
}
-/* the chip is stored statically by snd_pmac_register_sleep_notifier
- * because we can't have any private data for notify callback.
- */
-static pmac_t *sleeping_pmac = NULL;
-
-static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when)
-{
- pmac_t *chip;
-
- chip = sleeping_pmac;
- snd_runtime_check(chip, return 0);
-
- switch (when) {
- case PBOOK_SLEEP_NOW:
- snd_pmac_suspend(chip->card, 0);
- break;
- case PBOOK_WAKE:
- snd_pmac_resume(chip->card, 0);
- break;
- }
- return PBOOK_SLEEP_OK;
-}
-
-static struct pmu_sleep_notifier snd_pmac_sleep_notifier = {
- snd_pmac_sleep_notify, SLEEP_LEVEL_SOUND,
-};
-
-static int __init snd_pmac_register_sleep_notifier(pmac_t *chip)
-{
- /* should be protected here.. */
- snd_assert(! sleeping_pmac, return -EBUSY);
- sleeping_pmac = chip;
- pmu_register_sleep_notifier(&snd_pmac_sleep_notifier);
- return 0;
-}
-
-static int snd_pmac_unregister_sleep_notifier(pmac_t *chip)
-{
- /* should be protected here.. */
- snd_assert(sleeping_pmac == chip, return -ENODEV);
- pmu_unregister_sleep_notifier(&snd_pmac_sleep_notifier);
- sleeping_pmac = NULL;
- return 0;
-}
+#endif /* CONFIG_PM */
-#endif /* CONFIG_PM && CONFIG_PMAC_PBOOK */