/*
- * linux/drivers/sound/dmasound/dmasound_awacs.c
+ * linux/sound/oss/dmasound/dmasound_awacs.c
*
* PowerMac `AWACS' and `Burgundy' DMA Sound Driver
* with some limited support for DACA & Tumbler
*
- * See linux/drivers/sound/dmasound/dmasound_core.c for copyright and
+ * See linux/sound/oss/dmasound/dmasound_core.c for copyright and
* history prior to 2001/01/26.
*
* 26/01/2001 ed 0.1 Iain Sandoe
#include <linux/types.h>
#include <linux/module.h>
-#include <linux/config.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/nvram.h>
#include <linux/tty.h>
#include <linux/vt_kern.h>
-#include <linux/irq.h>
#include <linux/spinlock.h>
#include <linux/kmod.h>
#include <linux/interrupt.h>
#include <linux/input.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#ifdef CONFIG_ADB_CUDA
#include <linux/cuda.h>
#endif
#include <linux/pmu.h>
#endif
-#include <linux/i2c-dev.h>
-
#include <asm/uaccess.h>
#include <asm/prom.h>
#include <asm/machdep.h>
* Interrupt numbers and addresses, & info obtained from the device tree.
*/
static int awacs_irq, awacs_tx_irq, awacs_rx_irq;
-static volatile struct awacs_regs *awacs;
-static volatile u32 *i2s;
-static volatile struct dbdma_regs *awacs_txdma, *awacs_rxdma;
+static volatile struct awacs_regs __iomem *awacs;
+static volatile u32 __iomem *i2s;
+static volatile struct dbdma_regs __iomem *awacs_txdma, *awacs_rxdma;
static int awacs_rate_index;
static int awacs_subframe;
static struct device_node* awacs_node;
static struct device_node* i2s_node;
+static struct resource awacs_rsrc[3];
static char awacs_name[64];
static int awacs_revision;
static int awacs_sleeping;
-static DECLARE_MUTEX(dmasound_sem);
+static DEFINE_MUTEX(dmasound_mutex);
static int sound_device_id; /* exists after iMac revA */
static int hw_can_byteswap = 1 ; /* most pmac sound h/w can */
/* for earlier powerbooks which need fiddling with mac-io to enable
* cd etc.
*/
-static unsigned char *latch_base;
-static unsigned char *macio_base;
+static unsigned char __iomem *latch_base;
+static unsigned char __iomem *macio_base;
/*
* Space for the DBDMA command blocks.
static volatile struct dbdma_cmd *emergency_dbdma_cmd;
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
/*
* Stuff for restoring after a sleep.
*/
struct pmu_sleep_notifier awacs_sleep_notifier = {
awacs_sleep_notify, SLEEP_LEVEL_SOUND,
};
-#endif /* CONFIG_PMAC_PBOOK */
+#endif /* CONFIG_PM */
/* for (soft) sample rate translations */
int expand_bal; /* Balance factor for expanding (not volume!) */
/*** Low level stuff *********************************************************/
-static void *PMacAlloc(unsigned int size, int flags);
+static void *PMacAlloc(unsigned int size, gfp_t flags);
static void PMacFree(void *ptr, unsigned int size);
static int PMacIrqInit(void);
#ifdef MODULE
static int PMacSetVolume(int volume);
static void PMacPlay(void);
static void PMacRecord(void);
-static irqreturn_t pmac_awacs_tx_intr(int irq, void *devid, struct pt_regs *regs);
-static irqreturn_t pmac_awacs_rx_intr(int irq, void *devid, struct pt_regs *regs);
-static irqreturn_t pmac_awacs_intr(int irq, void *devid, struct pt_regs *regs);
+static irqreturn_t pmac_awacs_tx_intr(int irq, void *devid);
+static irqreturn_t pmac_awacs_rx_intr(int irq, void *devid);
+static irqreturn_t pmac_awacs_intr(int irq, void *devid);
static void awacs_write(int val);
static int awacs_get_volume(int reg, int lshift);
static int awacs_volume_setter(int volume, int n, int mute, int lshift);
extern int daca_leave_sleep(void);
#define TRY_LOCK() \
- if ((rc = down_interruptible(&dmasound_sem)) != 0) \
+ if ((rc = mutex_lock_interruptible(&dmasound_mutex)) != 0) \
return rc;
-#define LOCK() down(&dmasound_sem);
+#define LOCK() mutex_lock(&dmasound_mutex);
-#define UNLOCK() up(&dmasound_sem);
+#define UNLOCK() mutex_unlock(&dmasound_mutex);
/* We use different versions that the ones provided in dmasound.h
*
#undef IOCTL_OUT
#define IOCTL_IN(arg, ret) \
- rc = get_user(ret, (int *)(arg)); \
+ rc = get_user(ret, (int __user *)(arg)); \
if (rc) break;
#define IOCTL_OUT(arg, ret) \
- ioctl_return2((int *)(arg), ret)
+ ioctl_return2((int __user *)(arg), ret)
-static inline int ioctl_return2(int *addr, int value)
+static inline int ioctl_return2(int __user *addr, int value)
{
return value < 0 ? value : put_user(value, addr);
}
setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int* gpio_pol)
{
struct device_node *np;
- u32* pp;
-
+ const u32* pp;
+
np = find_devices("gpio");
if (!np)
return -ENODEV;
np = np->child;
while(np != 0) {
if (name) {
- char *property = get_property(np,"audio-gpio",NULL);
+ const char *property =
+ get_property(np,"audio-gpio",NULL);
if (property != 0 && strcmp(property,name) == 0)
break;
} else if (compatible && device_is_compatible(np, compatible))
}
if (!np)
return -ENODEV;
- pp = (u32 *)get_property(np, "AAPL,address", NULL);
+ pp = get_property(np, "AAPL,address", NULL);
if (!pp)
return -ENODEV;
*gpio_addr = (*pp) & 0x0000ffff;
- pp = (u32 *)get_property(np, "audio-gpio-active-state", NULL);
+ pp = get_property(np, "audio-gpio-active-state", NULL);
if (pp)
*gpio_pol = *pp;
else
*gpio_pol = 1;
- if (np->n_intrs > 0)
- return np->intrs[0].line;
-
- return 0;
+ return irq_of_parse_and_map(np, 0);
}
static inline void
* Headphone interrupt via GPIO (Tumbler, Snapper, DACA)
*/
static irqreturn_t
-headphone_intr(int irq, void *devid, struct pt_regs *regs)
+headphone_intr(int irq, void *devid)
{
unsigned long flags;
write_audio_gpio(gpio_audio_reset, !gpio_audio_reset_pol);
msleep(100);
if (gpio_headphone_irq) {
- if (request_irq(gpio_headphone_irq,headphone_intr,0,"Headphone detect",0) < 0) {
+ if (request_irq(gpio_headphone_irq,headphone_intr,0,"Headphone detect",NULL) < 0) {
printk(KERN_ERR "tumbler: Can't request headphone interrupt\n");
gpio_headphone_irq = 0;
} else {
val = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, gpio_headphone_detect, 0);
pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, gpio_headphone_detect, val | 0x80);
/* Trigger it */
- headphone_intr(0,0,0);
+ headphone_intr(0, NULL);
}
}
if (!gpio_headphone_irq) {
tas_dmasound_cleanup(void)
{
if (gpio_headphone_irq)
- free_irq(gpio_headphone_irq, 0);
+ free_irq(gpio_headphone_irq, NULL);
return 0;
}
static int
tas_mixer_ioctl(u_int cmd, u_long arg)
{
+ int __user *argp = (int __user *)arg;
int data;
int rc;
if ((cmd & ~0xff) == MIXER_WRITE(0) &&
tas_supported_mixers() & (1<<(cmd & 0xff))) {
- rc = get_user(data, (int *)(arg));
+ rc = get_user(data, argp);
if (rc<0) return rc;
tas_set_mixer_level(cmd & 0xff, data);
tas_get_mixer_level(cmd & 0xff, &data);
- return ioctl_return2((int *)(arg), data);
+ return ioctl_return2(argp, data);
}
if ((cmd & ~0xff) == MIXER_READ(0) &&
tas_supported_mixers() & (1<<(cmd & 0xff))) {
tas_get_mixer_level(cmd & 0xff, &data);
- return ioctl_return2((int *)(arg), data);
+ return ioctl_return2(argp, data);
}
switch(cmd) {
/*
* PCI PowerMac, with AWACS, Screamer, Burgundy, DACA or Tumbler and DBDMA.
*/
-static void *PMacAlloc(unsigned int size, int flags)
+static void *PMacAlloc(unsigned int size, gfp_t flags)
{
return kmalloc(size, flags);
}
static int __init PMacIrqInit(void)
{
if (awacs)
- if (request_irq(awacs_irq, pmac_awacs_intr, 0, "Built-in Sound misc", 0))
+ if (request_irq(awacs_irq, pmac_awacs_intr, 0, "Built-in Sound misc", NULL))
return 0;
- if (request_irq(awacs_tx_irq, pmac_awacs_tx_intr, 0, "Built-in Sound out", 0)
- || request_irq(awacs_rx_irq, pmac_awacs_rx_intr, 0, "Built-in Sound in", 0))
+ if (request_irq(awacs_tx_irq, pmac_awacs_tx_intr, 0, "Built-in Sound out", NULL)
+ || request_irq(awacs_rx_irq, pmac_awacs_rx_intr, 0, "Built-in Sound in", NULL))
return 0;
return 1;
}
msleep(200);
}
if (awacs)
- free_irq(awacs_irq, 0);
- free_irq(awacs_tx_irq, 0);
- free_irq(awacs_rx_irq, 0);
+ free_irq(awacs_irq, NULL);
+ free_irq(awacs_tx_irq, NULL);
+ free_irq(awacs_rx_irq, NULL);
if (awacs)
- iounmap((void *)awacs);
+ iounmap(awacs);
if (i2s)
- iounmap((void *)i2s);
- iounmap((void *)awacs_txdma);
- iounmap((void *)awacs_rxdma);
-
- release_OF_resource(awacs_node, 0);
- release_OF_resource(awacs_node, 1);
- release_OF_resource(awacs_node, 2);
-
- if (awacs_tx_cmd_space)
- kfree(awacs_tx_cmd_space);
- if (awacs_rx_cmd_space)
- kfree(awacs_rx_cmd_space);
- if (beep_dbdma_cmd_space)
- kfree(beep_dbdma_cmd_space);
- if (beep_buf)
- kfree(beep_buf);
-#ifdef CONFIG_PMAC_PBOOK
+ iounmap(i2s);
+ iounmap(awacs_txdma);
+ iounmap(awacs_rxdma);
+
+ release_mem_region(awacs_rsrc[0].start,
+ awacs_rsrc[0].end - awacs_rsrc[0].start + 1);
+ release_mem_region(awacs_rsrc[1].start,
+ awacs_rsrc[1].end - awacs_rsrc[1].start + 1);
+ release_mem_region(awacs_rsrc[2].start,
+ awacs_rsrc[2].end - awacs_rsrc[2].start + 1);
+
+ kfree(awacs_tx_cmd_space);
+ kfree(awacs_rx_cmd_space);
+ kfree(beep_dbdma_cmd_space);
+ kfree(beep_buf);
+#ifdef CONFIG_PM
pmu_unregister_sleep_notifier(&awacs_sleep_notifier);
#endif
}
*/
static irqreturn_t
-pmac_awacs_tx_intr(int irq, void *devid, struct pt_regs *regs)
+pmac_awacs_tx_intr(int irq, void *devid)
{
int i = write_sq.front;
int stat;
static irqreturn_t
-pmac_awacs_rx_intr(int irq, void *devid, struct pt_regs *regs)
+pmac_awacs_rx_intr(int irq, void *devid)
{
int stat ;
/* For some reason on my PowerBook G3, I get one interrupt
static irqreturn_t
-pmac_awacs_intr(int irq, void *devid, struct pt_regs *regs)
+pmac_awacs_intr(int irq, void *devid)
{
int ctrl;
int status;
}
}
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
/*
* Save state when going to sleep, restore it afterwards.
*/
write_audio_gpio(gpio_audio_reset, !gpio_audio_reset_pol);
msleep(150);
tas_leave_sleep(); /* Stub for now */
- headphone_intr(0,0,0);
+ headphone_intr(0, NULL);
break;
case AWACS_DACA:
msleep(10); /* Check this !!! */
}
return PBOOK_SLEEP_OK;
}
-#endif /* CONFIG_PMAC_PBOOK */
+#endif /* CONFIG_PM */
/* All the burgundy functions: */
/* Waits for busy flag to clear */
-inline static void
+static inline void
awacs_burgundy_busy_wait(void)
{
int count = 50; /* > 2 samples at 44k1 */
udelay(1) ;
}
-inline static void
+static inline void
awacs_burgundy_extend_wait(void)
{
int count = 50 ; /* > 2 samples at 44k1 */
#endif
if ((write_sq.max_count + 1) > number_of_tx_cmd_buffers) {
- if (awacs_tx_cmd_space)
- kfree(awacs_tx_cmd_space);
+ kfree(awacs_tx_cmd_space);
number_of_tx_cmd_buffers = 0;
/* we need nbufs + 1 (for the loop) and we should request + 1
#endif
if ((read_sq.max_count+1) > number_of_rx_cmd_buffers ) {
- if (awacs_rx_cmd_space)
- kfree(awacs_rx_cmd_space);
+ kfree(awacs_rx_cmd_space);
number_of_rx_cmd_buffers = 0;
/* we need nbufs + 1 (for the loop) and we should request + 1 again
DBDMA_ALIGN(beep_dbdma_cmd_space);
/* set up emergency dbdma cmd */
emergency_dbdma_cmd = beep_dbdma_cmd+1 ;
- beep_buf = (short *) kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
+ beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
if (beep_buf == NULL) {
printk(KERN_ERR "dmasound_pmac: no memory for beep buffer\n");
- if( beep_dbdma_cmd_space ) kfree(beep_dbdma_cmd_space) ;
+ kfree(beep_dbdma_cmd_space) ;
return -ENOMEM ;
}
return 0 ;
}
-static struct input_dev awacs_beep_dev = {
- .evbit = { BIT(EV_SND) },
- .sndbit = { BIT(SND_BELL) | BIT(SND_TONE) },
- .event = awacs_beep_event,
- .name = "dmasound beeper",
- .phys = "macio/input0", /* what the heck is this?? */
- .id = {
- .bustype = BUS_HOST,
- },
-};
+static struct input_dev *awacs_beep_dev;
int __init dmasound_awacs_init(void)
{
struct device_node *io = NULL, *info = NULL;
int vol, res;
- if (_machine != _MACH_Pmac)
+ if (!machine_is(powermac))
return -ENODEV;
awacs_subframe = 0;
* other info if necessary (early AWACS we want to read chip ids)
*/
- if (io->n_addrs < 3 || io->n_intrs < 3) {
+ if (of_get_address(io, 2, NULL, NULL) == NULL) {
/* OK - maybe we need to use the 'awacs' node (on earlier
* machines).
- */
+ */
if (awacs_node) {
io = awacs_node ;
- if (io->n_addrs < 3 || io->n_intrs < 3) {
- printk("dmasound_pmac: can't use %s"
- " (%d addrs, %d intrs)\n",
- io->full_name, io->n_addrs, io->n_intrs);
+ if (of_get_address(io, 2, NULL, NULL) == NULL) {
+ printk("dmasound_pmac: can't use %s\n",
+ io->full_name);
return -ENODEV;
}
- } else {
- printk("dmasound_pmac: can't use %s (%d addrs, %d intrs)\n",
- io->full_name, io->n_addrs, io->n_intrs);
- }
+ } else
+ printk("dmasound_pmac: can't use %s\n", io->full_name);
}
- if (!request_OF_resource(io, 0, NULL)) {
+ if (of_address_to_resource(io, 0, &awacs_rsrc[0]) ||
+ request_mem_region(awacs_rsrc[0].start,
+ awacs_rsrc[0].end - awacs_rsrc[0].start + 1,
+ " (IO)") == NULL) {
printk(KERN_ERR "dmasound: can't request IO resource !\n");
return -ENODEV;
}
- if (!request_OF_resource(io, 1, " (tx dma)")) {
- release_OF_resource(io, 0);
- printk(KERN_ERR "dmasound: can't request TX DMA resource !\n");
+ if (of_address_to_resource(io, 1, &awacs_rsrc[1]) ||
+ request_mem_region(awacs_rsrc[1].start,
+ awacs_rsrc[1].end - awacs_rsrc[1].start + 1,
+ " (tx dma)") == NULL) {
+ release_mem_region(awacs_rsrc[0].start,
+ awacs_rsrc[0].end - awacs_rsrc[0].start + 1);
+ printk(KERN_ERR "dmasound: can't request Tx DMA resource !\n");
return -ENODEV;
}
-
- if (!request_OF_resource(io, 2, " (rx dma)")) {
- release_OF_resource(io, 0);
- release_OF_resource(io, 1);
- printk(KERN_ERR "dmasound: can't request RX DMA resource !\n");
+ if (of_address_to_resource(io, 2, &awacs_rsrc[2]) ||
+ request_mem_region(awacs_rsrc[2].start,
+ awacs_rsrc[2].end - awacs_rsrc[2].start + 1,
+ " (rx dma)") == NULL) {
+ release_mem_region(awacs_rsrc[0].start,
+ awacs_rsrc[0].end - awacs_rsrc[0].start + 1);
+ release_mem_region(awacs_rsrc[1].start,
+ awacs_rsrc[1].end - awacs_rsrc[1].start + 1);
+ printk(KERN_ERR "dmasound: can't request Rx DMA resource !\n");
return -ENODEV;
}
+ awacs_beep_dev = input_allocate_device();
+ if (!awacs_beep_dev) {
+ release_mem_region(awacs_rsrc[0].start,
+ awacs_rsrc[0].end - awacs_rsrc[0].start + 1);
+ release_mem_region(awacs_rsrc[1].start,
+ awacs_rsrc[1].end - awacs_rsrc[1].start + 1);
+ release_mem_region(awacs_rsrc[2].start,
+ awacs_rsrc[2].end - awacs_rsrc[2].start + 1);
+ printk(KERN_ERR "dmasound: can't allocate input device !\n");
+ return -ENOMEM;
+ }
+
+ awacs_beep_dev->name = "dmasound beeper";
+ awacs_beep_dev->phys = "macio/input0";
+ awacs_beep_dev->id.bustype = BUS_HOST;
+ awacs_beep_dev->event = awacs_beep_event;
+ awacs_beep_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
+ awacs_beep_dev->evbit[0] = BIT(EV_SND);
+
/* all OF versions I've seen use this value */
if (i2s_node)
- i2s = (u32 *)ioremap(io->addrs[0].address, 0x1000);
+ i2s = ioremap(awacs_rsrc[0].start, 0x1000);
else
- awacs = (volatile struct awacs_regs *)
- ioremap(io->addrs[0].address, 0x1000);
- awacs_txdma = (volatile struct dbdma_regs *)
- ioremap(io->addrs[1].address, 0x100);
- awacs_rxdma = (volatile struct dbdma_regs *)
- ioremap(io->addrs[2].address, 0x100);
+ awacs = ioremap(awacs_rsrc[0].start, 0x1000);
+ awacs_txdma = ioremap(awacs_rsrc[1].start, 0x100);
+ awacs_rxdma = ioremap(awacs_rsrc[2].start, 0x100);
/* first of all make sure that the chip is powered up....*/
pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, io, 0, 1);
if (awacs_revision == AWACS_SCREAMER && awacs)
awacs_recalibrate();
- awacs_irq = io->intrs[0].line;
- awacs_tx_irq = io->intrs[1].line;
- awacs_rx_irq = io->intrs[2].line;
+ awacs_irq = irq_of_parse_and_map(io, 0);
+ awacs_tx_irq = irq_of_parse_and_map(io, 1);
+ awacs_rx_irq = irq_of_parse_and_map(io, 2);
/* Hack for legacy crap that will be killed someday */
awacs_node = io;
sound_device_id = 0;
/* device ID appears post g3 b&w */
- prop = (unsigned int *)get_property(info, "device-id", 0);
+ prop = (unsigned int *)get_property(info, "device-id", NULL);
if (prop != 0)
sound_device_id = *prop;
set_hw_byteswap(io) ; /* figure out if the h/w can do it */
- /* get default volume from nvram
- * vol = (~nvram_read_byte(0x1308) & 7) << 1;
- */
+#ifdef CONFIG_NVRAM
+ /* get default volume from nvram */
vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
+#else
+ vol = 0;
+#endif
+
/* set up tracking values */
spk_vol = vol * 100 ;
spk_vol /= 7 ; /* get set value to a percentage */
if ((res=setup_beep()))
return res ;
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
pmu_register_sleep_notifier(&awacs_sleep_notifier);
-#endif /* CONFIG_PMAC_PBOOK */
+#endif /* CONFIG_PM */
/* 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.
*/
- latch_base = (unsigned char *) ioremap (0xf301a000, 0x1000);
+ latch_base = ioremap (0xf301a000, 0x1000);
in_8(latch_base + 0x190);
} else if (is_pbook_g3) {
struct device_node* mio;
- macio_base = 0;
+ macio_base = NULL;
for (mio = io->parent; mio; mio = mio->parent) {
- if (strcmp(mio->name, "mac-io") == 0
- && mio->n_addrs > 0) {
- 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)
+ macio_base = ioremap(r.start, 0x40);
break;
}
}
* XXX: we should handle errors here, but that would mean
* rewriting the whole init code. later..
*/
- input_register_device(&awacs_beep_dev);
+ input_register_device(awacs_beep_dev);
return dmasound_init();
}
static void __exit dmasound_awacs_cleanup(void)
{
- input_unregister_device(&awacs_beep_dev);
+ input_unregister_device(awacs_beep_dev);
switch (awacs_revision) {
case AWACS_TUMBLER:
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