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author | Mike Thomas <rmthomas@sciolus.org> | 2011-01-10 18:41:11 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-01-21 12:25:55 -0800 |
commit | a9855917290fc40dbfd67d3ee06c190667d6c5b5 (patch) | |
tree | b24a96d42526d681d04c6e678fe0649f4a25ba45 /drivers/staging/easycap/easycap.h | |
parent | b54a28a418b2730bf61554864fee3fb24f79e182 (diff) | |
download | linux-stable-a9855917290fc40dbfd67d3ee06c190667d6c5b5.tar.gz linux-stable-a9855917290fc40dbfd67d3ee06c190667d6c5b5.tar.bz2 linux-stable-a9855917290fc40dbfd67d3ee06c190667d6c5b5.zip |
staging: easycap: add ALSA support
This is necessary because some distributions are disabling OSS entirely.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/easycap/easycap.h')
-rw-r--r-- | drivers/staging/easycap/easycap.h | 84 |
1 files changed, 67 insertions, 17 deletions
diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index 063d44718d8d..111f53c33229 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -34,6 +34,8 @@ * EASYCAP_NEEDS_V4L2_DEVICE_H * EASYCAP_NEEDS_V4L2_FOPS * EASYCAP_NEEDS_UNLOCKED_IOCTL + * EASYCAP_NEEDS_ALSA + * EASYCAP_SILENT * * IF REQUIRED THEY MUST BE EXTERNALLY DEFINED, FOR EXAMPLE AS COMPILER * OPTIONS. @@ -57,9 +59,9 @@ */ /*---------------------------------------------------------------------------*/ #undef EASYCAP_TESTCARD +#if (!defined(EASYCAP_NEEDS_ALSA)) #undef EASYCAP_TESTTONE -#undef NOREADBACK -#undef AUDIOTIME +#endif /*EASYCAP_NEEDS_ALSA*/ /*---------------------------------------------------------------------------*/ #include <linux/kernel.h> #include <linux/errno.h> @@ -79,6 +81,16 @@ #include <linux/delay.h> #include <linux/types.h> +#if defined(EASYCAP_NEEDS_ALSA) +#include <linux/vmalloc.h> +#include <linux/sound.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/info.h> +#include <sound/initval.h> +#include <sound/control.h> +#endif /*EASYCAP_NEEDS_ALSA*/ /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if defined(EASYCAP_IS_VIDEODEV_CLIENT) #include <media/v4l2-dev.h> @@ -112,7 +124,7 @@ #define USB_EASYCAP_VENDOR_ID 0x05e1 #define USB_EASYCAP_PRODUCT_ID 0x0408 -#define EASYCAP_DRIVER_VERSION "0.8.41" +#define EASYCAP_DRIVER_VERSION "0.9.01" #define EASYCAP_DRIVER_DESCRIPTION "easycapdc60" #define USB_SKEL_MINOR_BASE 192 @@ -158,7 +170,8 @@ */ /*---------------------------------------------------------------------------*/ #define AUDIO_ISOC_BUFFER_MANY 16 -#define AUDIO_ISOC_ORDER 3 +#define AUDIO_ISOC_ORDER 1 +#define AUDIO_ISOC_FRAMESPERDESC 32 #define AUDIO_ISOC_BUFFER_SIZE (PAGE_SIZE << AUDIO_ISOC_ORDER) /*---------------------------------------------------------------------------*/ /* @@ -166,6 +179,7 @@ */ /*---------------------------------------------------------------------------*/ #define AUDIO_FRAGMENT_MANY 32 +#define PAGES_PER_AUDIO_FRAGMENT 4 /*---------------------------------------------------------------------------*/ /* * IT IS ESSENTIAL THAT EVEN-NUMBERED STANDARDS ARE 25 FRAMES PER SECOND, @@ -296,6 +310,7 @@ struct easycap { #define TELLTALE "expectedstring" char telltale[16]; int isdongle; +int minor; /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if defined(EASYCAP_IS_VIDEODEV_CLIENT) @@ -328,6 +343,7 @@ int done[FRAME_BUFFER_MANY]; wait_queue_head_t wq_video; wait_queue_head_t wq_audio; +wait_queue_head_t wq_trigger; int input; int polled; @@ -429,6 +445,20 @@ int allocation_video_struct; int registered_video; /*---------------------------------------------------------------------------*/ /* + * ALSA + */ +/*---------------------------------------------------------------------------*/ +#if defined(EASYCAP_NEEDS_ALSA) +struct snd_pcm_hardware alsa_hardware; +struct snd_card *psnd_card; +struct snd_pcm *psnd_pcm; +struct snd_pcm_substream *psubstream; +int dma_fill; +int dma_next; +int dma_read; +#endif /*EASYCAP_NEEDS_ALSA*/ +/*---------------------------------------------------------------------------*/ +/* * SOUND PROPERTIES */ /*---------------------------------------------------------------------------*/ @@ -455,10 +485,10 @@ struct list_head *purb_audio_head; * BUFFER INDICATORS */ /*---------------------------------------------------------------------------*/ -int audio_fill; /* Audio buffer being filled by easysnd_complete(). */ - /* Bumped only by easysnd_complete(). */ -int audio_read; /* Audio buffer page being read by easysnd_read(). */ - /* Set by easysnd_read() to trail audio_fill by */ +int audio_fill; /* Audio buffer being filled by easycap_complete(). */ + /* Bumped only by easycap_complete(). */ +int audio_read; /* Audio buffer page being read by easycap_read(). */ + /* Set by easycap_read() to trail audio_fill by */ /* one fragment. */ /*---------------------------------------------------------------------------*/ /* @@ -532,19 +562,39 @@ int adjust_volume(struct easycap *, int); * AUDIO FUNCTION PROTOTYPES */ /*---------------------------------------------------------------------------*/ -void easysnd_complete(struct urb *); -ssize_t easysnd_read(struct file *, char __user *, size_t, loff_t *); -int easysnd_open(struct inode *, struct file *); -int easysnd_release(struct inode *, struct file *); -long easysnd_ioctl_noinode(struct file *, unsigned int, \ +#if defined(EASYCAP_NEEDS_ALSA) +int easycap_alsa_probe(struct easycap *); + +void easycap_alsa_complete(struct urb *); +int easycap_alsa_open(struct snd_pcm_substream *); +int easycap_alsa_close(struct snd_pcm_substream *); +int easycap_alsa_hw_params(struct snd_pcm_substream *, \ + struct snd_pcm_hw_params *); +int easycap_alsa_vmalloc(struct snd_pcm_substream *, size_t); +int easycap_alsa_hw_free(struct snd_pcm_substream *); +int easycap_alsa_prepare(struct snd_pcm_substream *); +int easycap_alsa_ack(struct snd_pcm_substream *); +int easycap_alsa_trigger(struct snd_pcm_substream *, int); +snd_pcm_uframes_t \ + easycap_alsa_pointer(struct snd_pcm_substream *); +struct page *easycap_alsa_page(struct snd_pcm_substream *, unsigned long); + +#else +void easyoss_complete(struct urb *); +ssize_t easyoss_read(struct file *, char __user *, size_t, loff_t *); +int easyoss_open(struct inode *, struct file *); +int easyoss_release(struct inode *, struct file *); +long easyoss_ioctl_noinode(struct file *, unsigned int, \ unsigned long); -int easysnd_ioctl(struct inode *, struct file *, unsigned int, \ +int easyoss_ioctl(struct inode *, struct file *, unsigned int, \ unsigned long); -unsigned int easysnd_poll(struct file *, poll_table *); -void easysnd_delete(struct kref *); +unsigned int easyoss_poll(struct file *, poll_table *); +void easyoss_delete(struct kref *); +#endif /*EASYCAP_NEEDS_ALSA*/ +int easycap_sound_setup(struct easycap *); int submit_audio_urbs(struct easycap *); int kill_audio_urbs(struct easycap *); -void easysnd_testtone(struct easycap *, int); +void easyoss_testtone(struct easycap *, int); int audio_setup(struct easycap *); /*---------------------------------------------------------------------------*/ /* |