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>

diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index cecf1ff..56d8d67 100644 (file)
--- 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 9da2dae..b31a59d 100644 (file)
--- 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 af6e001..2213bee 100644 (file)
--- 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;