Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
[sfrench/cifs-2.6.git] / sound / ppc / tumbler.c
index 2fbe1d183fcefdb08d15986836ebc47e679b79b3..71a7a97654298b8545184d20dd633bfab4317113 100644 (file)
@@ -24,7 +24,6 @@
  */
 
 
-#include <sound/driver.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
@@ -275,14 +274,20 @@ static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
 {
        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
        struct pmac_tumbler *mix = chip->mixer_data;
+       unsigned int vol[2];
        int change;
 
        snd_assert(mix, return -ENODEV);
-       change = mix->master_vol[0] != ucontrol->value.integer.value[0] ||
-               mix->master_vol[1] != ucontrol->value.integer.value[1];
+       vol[0] = ucontrol->value.integer.value[0];
+       vol[1] = ucontrol->value.integer.value[1];
+       if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
+           vol[1] >= ARRAY_SIZE(master_volume_table))
+               return -EINVAL;
+       change = mix->master_vol[0] != vol[0] ||
+               mix->master_vol[1] != vol[1];
        if (change) {
-               mix->master_vol[0] = ucontrol->value.integer.value[0];
-               mix->master_vol[1] = ucontrol->value.integer.value[1];
+               mix->master_vol[0] = vol[0];
+               mix->master_vol[1] = vol[1];
                tumbler_set_master_volume(mix);
        }
        return change;
@@ -417,13 +422,22 @@ static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
 {
        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
        struct pmac_tumbler *mix;
+       unsigned int val;
        int change;
 
        if (! (mix = chip->mixer_data))
                return -ENODEV;
-       change = mix->drc_range != ucontrol->value.integer.value[0];
+       val = ucontrol->value.integer.value[0];
+       if (chip->model == PMAC_TUMBLER) {
+               if (val > TAS3001_DRC_MAX)
+                       return -EINVAL;
+       } else {
+               if (val > TAS3004_DRC_MAX)
+                       return -EINVAL;
+       }
+       change = mix->drc_range != val;
        if (change) {
-               mix->drc_range = ucontrol->value.integer.value[0];
+               mix->drc_range = val;
                if (chip->model == PMAC_TUMBLER)
                        tumbler_set_drc(mix);
                else
@@ -530,13 +544,17 @@ static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
        struct pmac_tumbler *mix;
+       unsigned int vol;
        int change;
 
        if (! (mix = chip->mixer_data))
                return -ENODEV;
-       change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0];
+       vol = ucontrol->value.integer.value[0];
+       if (vol >= info->max)
+               return -EINVAL;
+       change = mix->mono_vol[info->index] != vol;
        if (change) {
-               mix->mono_vol[info->index] = ucontrol->value.integer.value[0];
+               mix->mono_vol[info->index] = vol;
                tumbler_set_mono_volume(mix, info);
        }
        return change;
@@ -672,15 +690,21 @@ static int snapper_put_mix(struct snd_kcontrol *kcontrol,
        int idx = (int)kcontrol->private_value;
        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
        struct pmac_tumbler *mix;
+       unsigned int vol[2];
        int change;
 
        if (! (mix = chip->mixer_data))
                return -ENODEV;
-       change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] ||
-               mix->mix_vol[idx][1] != ucontrol->value.integer.value[1];
+       vol[0] = ucontrol->value.integer.value[0];
+       vol[1] = ucontrol->value.integer.value[1];
+       if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
+           vol[1] >= ARRAY_SIZE(mixer_volume_table))
+               return -EINVAL;
+       change = mix->mix_vol[idx][0] != vol[0] ||
+               mix->mix_vol[idx][1] != vol[1];
        if (change) {
-               mix->mix_vol[idx][0] = ucontrol->value.integer.value[0];
-               mix->mix_vol[idx][1] = ucontrol->value.integer.value[1];
+               mix->mix_vol[idx][0] = vol[0];
+               mix->mix_vol[idx][1] = vol[1];
                snapper_set_mix_vol(mix, idx);
        }
        return change;
@@ -784,7 +808,7 @@ static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
        struct pmac_tumbler *mix = chip->mixer_data;
 
        snd_assert(mix, return -ENODEV);
-       ucontrol->value.integer.value[0] = mix->capture_source;
+       ucontrol->value.enumerated.item[0] = mix->capture_source;
        return 0;
 }
 
@@ -796,9 +820,9 @@ static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
        int change;
 
        snd_assert(mix, return -ENODEV);
-       change = ucontrol->value.integer.value[0] != mix->capture_source;
+       change = ucontrol->value.enumerated.item[0] != mix->capture_source;
        if (change) {
-               mix->capture_source = !!ucontrol->value.integer.value[0];
+               mix->capture_source = !!ucontrol->value.enumerated.item[0];
                snapper_set_capture_source(mix);
        }
        return change;
@@ -942,10 +966,11 @@ static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int
 }
 
 static struct work_struct device_change;
+static struct snd_pmac *device_change_chip;
 
-static void device_change_handler(void *self)
+static void device_change_handler(struct work_struct *work)
 {
-       struct snd_pmac *chip = self;
+       struct snd_pmac *chip = device_change_chip;
        struct pmac_tumbler *mix;
        int headphone, lineout;
 
@@ -1030,32 +1055,40 @@ static irqreturn_t headphone_intr(int irq, void *devid)
 /* look for audio-gpio device */
 static struct device_node *find_audio_device(const char *name)
 {
+       struct device_node *gpiop;
        struct device_node *np;
   
-       if (! (np = find_devices("gpio")))
+       gpiop = of_find_node_by_name(NULL, "gpio");
+       if (! gpiop)
                return NULL;
   
-       for (np = np->child; np; np = np->sibling) {
-               const char *property = get_property(np, "audio-gpio", NULL);
+       for (np = of_get_next_child(gpiop, NULL); np;
+                       np = of_get_next_child(gpiop, np)) {
+               const char *property = of_get_property(np, "audio-gpio", NULL);
                if (property && strcmp(property, name) == 0)
-                       return np;
+                       break;
        }  
-       return NULL;
+       of_node_put(gpiop);
+       return np;
 }
 
 /* look for audio-gpio device */
 static struct device_node *find_compatible_audio_device(const char *name)
 {
+       struct device_node *gpiop;
        struct device_node *np;
   
-       if (! (np = find_devices("gpio")))
+       gpiop = of_find_node_by_name(NULL, "gpio");
+       if (!gpiop)
                return NULL;
   
-       for (np = np->child; np; np = np->sibling) {
-               if (device_is_compatible(np, name))
-                       return np;
+       for (np = of_get_next_child(gpiop, NULL); np;
+                       np = of_get_next_child(gpiop, np)) {
+               if (of_device_is_compatible(np, name))
+                       break;
        }  
-       return NULL;
+       of_node_put(gpiop);
+       return np;
 }
 
 /* find an audio device and get its address */
@@ -1065,6 +1098,7 @@ static long tumbler_find_device(const char *device, const char *platform,
        struct device_node *node;
        const u32 *base;
        u32 addr;
+       long ret;
 
        if (is_compatible)
                node = find_compatible_audio_device(device);
@@ -1076,12 +1110,13 @@ static long tumbler_find_device(const char *device, const char *platform,
                return -ENODEV;
        }
 
-       base = get_property(node, "AAPL,address", NULL);
+       base = of_get_property(node, "AAPL,address", NULL);
        if (! base) {
-               base = get_property(node, "reg", NULL);
+               base = of_get_property(node, "reg", NULL);
                if (!base) {
                        DBG("(E) cannot find address for device %s !\n", device);
                        snd_printd("cannot find address for device %s\n", device);
+                       of_node_put(node);
                        return -ENODEV;
                }
                addr = *base;
@@ -1092,7 +1127,7 @@ static long tumbler_find_device(const char *device, const char *platform,
 
        gp->addr = addr & 0x0000ffff;
        /* Try to find the active state, default to 0 ! */
-       base = get_property(node, "audio-gpio-active-state", NULL);
+       base = of_get_property(node, "audio-gpio-active-state", NULL);
        if (base) {
                gp->active_state = *base;
                gp->active_val = (*base) ? 0x5 : 0x4;
@@ -1107,7 +1142,7 @@ static long tumbler_find_device(const char *device, const char *platform,
                 * as we don't yet have an interpreter for these things
                 */
                if (platform)
-                       prop = get_property(node, platform, NULL);
+                       prop = of_get_property(node, platform, NULL);
                if (prop) {
                        if (prop[3] == 0x9 && prop[4] == 0x9) {
                                gp->active_val = 0xd;
@@ -1123,7 +1158,9 @@ static long tumbler_find_device(const char *device, const char *platform,
        DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
            device, gp->addr, gp->active_state);
 
-       return irq_of_parse_and_map(node, 0);
+       ret = irq_of_parse_and_map(node, 0);
+       of_node_put(node);
+       return ret;
 }
 
 /* reset audio */
@@ -1309,7 +1346,7 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
 {
        int i, err;
        struct pmac_tumbler *mix;
-       u32 *paddr;
+       const u32 *paddr;
        struct device_node *tas_node, *np;
        char *chipname;
 
@@ -1330,9 +1367,9 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
 
        for (np = chip->node->child; np; np = np->sibling) {
                if (!strcmp(np->name, "sound")) {
-                       if (get_property(np, "has-anded-reset", NULL))
+                       if (of_get_property(np, "has-anded-reset", NULL))
                                mix->anded_reset = 1;
-                       if (get_property(np, "layout-id", NULL))
+                       if (of_get_property(np, "layout-id", NULL))
                                mix->reset_on_sleep = 0;
                        break;
                }
@@ -1341,19 +1378,20 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
                return err;
 
        /* set up TAS */
-       tas_node = find_devices("deq");
+       tas_node = of_find_node_by_name(NULL, "deq");
        if (tas_node == NULL)
-               tas_node = find_devices("codec");
+               tas_node = of_find_node_by_name(NULL, "codec");
        if (tas_node == NULL)
                return -ENODEV;
 
-       paddr = (u32 *)get_property(tas_node, "i2c-address", NULL);
+       paddr = of_get_property(tas_node, "i2c-address", NULL);
        if (paddr == NULL)
-               paddr = (u32 *)get_property(tas_node, "reg", NULL);
+               paddr = of_get_property(tas_node, "reg", NULL);
        if (paddr)
                mix->i2c.addr = (*paddr) >> 1;
        else
                mix->i2c.addr = TAS_I2C_ADDR;
+       of_node_put(tas_node);
 
        DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
 
@@ -1417,7 +1455,8 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
        chip->resume = tumbler_resume;
 #endif
 
-       INIT_WORK(&device_change, device_change_handler, (void *)chip);
+       INIT_WORK(&device_change, device_change_handler);
+       device_change_chip = chip;
 
 #ifdef PMAC_SUPPORT_AUTOMUTE
        if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)