Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / sound / oss / dmasound / dmasound_awacs.c
index 5281b88..c8e2103 100644 (file)
@@ -80,7 +80,7 @@
 #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
@@ -88,8 +88,6 @@
 #include <linux/pmu.h>
 #endif
 
-#include <linux/i2c-dev.h>
-
 #include <asm/uaccess.h>
 #include <asm/prom.h>
 #include <asm/machdep.h>
@@ -125,11 +123,12 @@ 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 */
@@ -255,7 +254,7 @@ static int awacs_burgundy_read_mvolume(unsigned address);
 
 static volatile struct dbdma_cmd *emergency_dbdma_cmd;
 
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
 /*
  * Stuff for restoring after a sleep.
  */
@@ -263,7 +262,7 @@ static int awacs_sleep_notify(struct pmu_sleep_notifier *self, int when);
 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!) */
@@ -271,7 +270,7 @@ int expand_read_bal;        /* Balance factor for expanding reads (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
@@ -311,11 +310,11 @@ extern int daca_enter_sleep(void);
 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
  * 
@@ -614,7 +613,7 @@ tas_init_frame_rates(unsigned int *prop, unsigned int l)
 /*
  * 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);
 }
@@ -667,19 +666,18 @@ static void PMacIrqCleanup(void)
        iounmap(awacs_txdma);
        iounmap(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
+       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
 }
@@ -1419,7 +1417,7 @@ load_awacs(void)
        }
 }
 
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
 /*
  * Save state when going to sleep, restore it afterwards.
  */
@@ -1555,13 +1553,13 @@ static int awacs_sleep_notify(struct pmu_sleep_notifier *self, int when)
        }
        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 */
@@ -1569,7 +1567,7 @@ awacs_burgundy_busy_wait(void)
                udelay(1) ;
 }
 
-inline static void
+static inline void
 awacs_burgundy_extend_wait(void)
 {
        int count = 50 ; /* > 2 samples at 44k1 */
@@ -2301,8 +2299,7 @@ if (count <= 0)
 #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
@@ -2360,8 +2357,7 @@ if (count <= 0)
 #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
@@ -2802,32 +2798,23 @@ __init setup_beep(void)
                        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;
@@ -2878,48 +2865,76 @@ printk("dmasound_pmac: couldn't find a Codec we can handle\n");
         * 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 || io->n_intrs < 3) {
                /* 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 ||
+                           io->n_intrs < 3) {
+                               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 = ioremap(io->addrs[0].address, 0x1000);
+               i2s = ioremap(awacs_rsrc[0].start, 0x1000);
        else
-               awacs = ioremap(io->addrs[0].address, 0x1000);
-       awacs_txdma = ioremap(io->addrs[1].address, 0x100);
-       awacs_rxdma = 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);
@@ -3059,9 +3074,9 @@ printk("dmasound_pmac: Awacs/Screamer Codec Mfct: %d Rev %d\n", mfg, rev);
        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
@@ -3082,9 +3097,10 @@ printk("dmasound_pmac: Awacs/Screamer Codec Mfct: %d Rev %d\n", mfg, rev);
                struct device_node* mio;
                macio_base = NULL;
                for (mio = io->parent; mio; mio = mio->parent) {
-                       if (strcmp(mio->name, "mac-io") == 0
-                           && mio->n_addrs > 0) {
-                               macio_base = 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;
                        }
                }
@@ -3146,14 +3162,14 @@ printk("dmasound_pmac: Awacs/Screamer Codec Mfct: %d Rev %d\n", mfg, rev);
         * 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: