From 494703062b6e6ef5e72364aafc9bcbc172d53dea Mon Sep 17 00:00:00 2001 From: Pavel Hofman Date: Wed, 16 Sep 2009 22:25:38 +0200 Subject: ALSA: ice1724 - adding GPIO routines for mask and direction * get/set routines for GPIO mask and direction Signed-off-by: Pavel Hofman Signed-off-by: Takashi Iwai --- sound/pci/ice1712/ice1712.c | 12 ++++++++++++ sound/pci/ice1712/ice1712.h | 7 +++++++ sound/pci/ice1712/ice1724.c | 19 +++++++++++++++++++ 3 files changed, 38 insertions(+) (limited to 'sound/pci') 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; -- cgit v1.2.3