X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fsound%2Fpcm.h;h=ee6bc2d0680321f4b7d10af1d2c1c3d16c2b98e8;hb=6026179519896e7d35b2564e7544487d1c8948e7;hp=cebf0310a8dc023c0961a11e9e99e73c12866f61;hpb=0df63e44c3e315ec0fe427ae62558231864108bd;p=linux-2.6 diff --git a/include/sound/pcm.h b/include/sound/pcm.h index cebf0310a8..ee6bc2d068 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -26,6 +26,7 @@ #include #include #include +#include #include #define snd_pcm_substream_chip(substream) ((substream)->private_data) @@ -55,6 +56,8 @@ struct snd_pcm_hardware { size_t fifo_size; /* fifo size in bytes */ }; +struct snd_pcm_substream; + struct snd_pcm_ops { int (*open)(struct snd_pcm_substream *substream); int (*close)(struct snd_pcm_substream *substream); @@ -190,7 +193,7 @@ struct snd_pcm_ops { struct snd_pcm_file { struct snd_pcm_substream *substream; - struct snd_pcm_file *next; + int no_compat_mmap; }; struct snd_pcm_hw_rule; @@ -300,7 +303,6 @@ struct snd_pcm_runtime { /* -- mmap -- */ volatile struct snd_pcm_mmap_status *status; volatile struct snd_pcm_mmap_control *control; - atomic_t mmap_count; /* -- locking / scheduling -- */ wait_queue_head_t sleep; @@ -348,6 +350,7 @@ struct snd_pcm_substream { int number; char name[32]; /* substream name */ int stream; /* stream (direction) */ + char latency_id[20]; /* latency identifier */ size_t buffer_bytes_max; /* limit ring buffer size */ struct snd_dma_buffer dma_buffer; unsigned int dma_buf_id; @@ -369,6 +372,7 @@ struct snd_pcm_substream { /* -- assigned files -- */ void *file; int ref_count; + atomic_t mmap_count; unsigned int f_flags; void (*pcm_release)(struct snd_pcm_substream *); #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) @@ -382,9 +386,9 @@ struct snd_pcm_substream { struct snd_info_entry *proc_sw_params_entry; struct snd_info_entry *proc_status_entry; struct snd_info_entry *proc_prealloc_entry; + struct snd_info_entry *proc_prealloc_max_entry; #endif /* misc flags */ - unsigned int no_mmap_ctrl: 1; unsigned int hw_opened: 1; }; @@ -402,7 +406,6 @@ struct snd_pcm_str { /* -- OSS things -- */ struct snd_pcm_oss_stream oss; #endif - struct snd_pcm_file *files; #ifdef CONFIG_SND_VERBOSE_PROCFS struct snd_info_entry *proc_root; struct snd_info_entry *proc_info_entry; @@ -427,6 +430,7 @@ struct snd_pcm { wait_queue_head_t open_wait; void *private_data; void (*private_free) (struct snd_pcm *pcm); + struct device *dev; /* actual hw device this belongs to */ #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) struct snd_pcm_oss oss; #endif @@ -972,13 +976,13 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream, unsigne static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area) { struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data; - atomic_inc(&substream->runtime->mmap_count); + atomic_inc(&substream->mmap_count); } static inline void snd_pcm_mmap_data_close(struct vm_area_struct *area) { struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data; - atomic_dec(&substream->runtime->mmap_count); + atomic_dec(&substream->mmap_count); } /* mmap for io-memory area */