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authorPavel Hofman <pavel.hofman@ivitera.com>2009-09-16 22:25:38 +0200
committerTakashi Iwai <tiwai@suse.de>2009-09-21 15:46:19 +0200
commit494703062b6e6ef5e72364aafc9bcbc172d53dea (patch)
tree146331d091b4dba7928244cd1a1ed3dbf0fbad9d
parent42cfa276aebd28e5cc4350ff6c7d75f1cb84dd98 (diff)
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ALSA: ice1724 - adding GPIO routines for mask and direction
* get/set routines for GPIO mask and direction Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/pci/ice1712/ice1712.c12
-rw-r--r--sound/pci/ice1712/ice1712.h7
-rw-r--r--sound/pci/ice1712/ice1724.c19
3 files changed, 38 insertions, 0 deletions
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index cecf1ffeeaaa..56d8d67f1ac3 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -298,6 +298,16 @@ static void snd_ice1712_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
inb(ICEREG(ice, DATA)); /* dummy read for pci-posting */
}
+static unsigned int snd_ice1712_get_gpio_dir(struct snd_ice1712 *ice)
+{
+ return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DIRECTION);
+}
+
+static unsigned int snd_ice1712_get_gpio_mask(struct snd_ice1712 *ice)
+{
+ return snd_ice1712_read(ice, ICE1712_IREG_GPIO_WRITE_MASK);
+}
+
static void snd_ice1712_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
{
snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, data);
@@ -2557,7 +2567,9 @@ static int __devinit snd_ice1712_create(struct snd_card *card,
mutex_init(&ice->i2c_mutex);
mutex_init(&ice->open_mutex);
ice->gpio.set_mask = snd_ice1712_set_gpio_mask;
+ ice->gpio.get_mask = snd_ice1712_get_gpio_mask;
ice->gpio.set_dir = snd_ice1712_set_gpio_dir;
+ ice->gpio.get_dir = snd_ice1712_get_gpio_dir;
ice->gpio.set_data = snd_ice1712_set_gpio_data;
ice->gpio.get_data = snd_ice1712_get_gpio_data;
diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
index 9da2dae64c5b..b31a59d0625c 100644
--- a/sound/pci/ice1712/ice1712.h
+++ b/sound/pci/ice1712/ice1712.h
@@ -359,7 +359,9 @@ struct snd_ice1712 {
unsigned int saved[2]; /* for ewx_i2c */
/* operators */
void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
+ unsigned int (*get_mask)(struct snd_ice1712 *ice);
void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
+ unsigned int (*get_dir)(struct snd_ice1712 *ice);
void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
unsigned int (*get_data)(struct snd_ice1712 *ice);
/* misc operators - move to another place? */
@@ -399,6 +401,11 @@ static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned in
ice->gpio.set_dir(ice, bits);
}
+static inline unsigned int snd_ice1712_gpio_get_dir(struct snd_ice1712 *ice)
+{
+ return ice->gpio.get_dir(ice);
+}
+
static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
{
ice->gpio.set_mask(ice, bits);
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index af6e00148621..2213beec009a 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -196,6 +196,12 @@ static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
}
+/* get gpio direction 0 = read, 1 = write */
+static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
+{
+ return inl(ICEREG1724(ice, GPIO_DIRECTION));
+}
+
/* set the gpio mask (0 = writable) */
static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
{
@@ -205,6 +211,17 @@ static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
}
+static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
+{
+ unsigned int mask;
+ if (!ice->vt1720)
+ mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
+ else
+ mask = 0;
+ mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
+ return mask;
+}
+
static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
{
outw(data, ICEREG1724(ice, GPIO_DATA));
@@ -2434,7 +2451,9 @@ static int __devinit snd_vt1724_create(struct snd_card *card,
mutex_init(&ice->open_mutex);
mutex_init(&ice->i2c_mutex);
ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
+ ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
+ ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
ice->gpio.set_data = snd_vt1724_set_gpio_data;
ice->gpio.get_data = snd_vt1724_get_gpio_data;
ice->card = card;