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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 11:16:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 11:16:27 -0700 |
commit | e349792a385ed47390d156155b1a1e19af1bf163 (patch) | |
tree | f9dc4e3e42769950230eaa58ecdd056eb27b23e8 /sound/pci/ctxfi/ctresource.h | |
parent | 6d21491838a2a9f22843c7530b118596ee9f4d77 (diff) | |
parent | e3f86d3d3ce350144562d9bd035dc8a274fce58e (diff) | |
download | talos-op-linux-e349792a385ed47390d156155b1a1e19af1bf163.tar.gz talos-op-linux-e349792a385ed47390d156155b1a1e19af1bf163.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (290 commits)
ALSA: pcm - Update document about xrun_debug proc file
ALSA: lx6464es - support standard alsa module parameters
ALSA: snd_usb_caiaq: set mixername
ALSA: hda - add quirk for STAC92xx (SigmaTel STAC9205)
ALSA: use card device as parent for jack input-devices
ALSA: sound/ps3: Correct existing and add missing annotations
ALSA: sound/ps3: Restructure driver source
ALSA: sound/ps3: Fix checkpatch issues
ASoC: Fix lm4857 control
ALSA: ctxfi - Clear PCM resources at hw_params and hw_free
ALSA: ctxfi - Check the presence of SRC instance in PCM pointer callbacks
ALSA: ctxfi - Add missing start check in atc_pcm_playback_start()
ALSA: ctxfi - Add use_system_timer module option
ALSA: usb - Add boot quirk for C-Media 6206 USB Audio
ALSA: ctxfi - Fix wrong model id for UAA
ALSA: ctxfi - Clean up probe routines
ALSA: hda - Fix the previous tagra-8ch patch
ALSA: hda - Add 7.1 support for MSI GX620
ALSA: pcm - A helper function to compose PCM stream name for debug prints
ALSA: emu10k1 - Fix minimum periods for efx playback
...
Diffstat (limited to 'sound/pci/ctxfi/ctresource.h')
-rw-r--r-- | sound/pci/ctxfi/ctresource.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h new file mode 100644 index 000000000000..0838c2e84f8b --- /dev/null +++ b/sound/pci/ctxfi/ctresource.h @@ -0,0 +1,72 @@ +/** + * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. + * + * This source file is released under GPL v2 license (no other versions). + * See the COPYING file included in the main directory of this source + * distribution for the license terms and conditions. + * + * @File ctresource.h + * + * @Brief + * This file contains the definition of generic hardware resources for + * resource management. + * + * @Author Liu Chun + * @Date May 13 2008 + * + */ + +#ifndef CTRESOURCE_H +#define CTRESOURCE_H + +#include <linux/types.h> + +enum RSCTYP { + SRC, + SRCIMP, + AMIXER, + SUM, + DAIO, + NUM_RSCTYP /* This must be the last one and less than 16 */ +}; + +struct rsc_ops; + +struct rsc { + u32 idx:12; /* The index of a resource */ + u32 type:4; /* The type (RSCTYP) of a resource */ + u32 conj:12; /* Current conjugate index */ + u32 msr:4; /* The Master Sample Rate a resource working on */ + void *ctrl_blk; /* Chip specific control info block for a resource */ + void *hw; /* Chip specific object for hardware access means */ + struct rsc_ops *ops; /* Generic resource operations */ +}; + +struct rsc_ops { + int (*master)(struct rsc *rsc); /* Move to master resource */ + int (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ + int (*index)(const struct rsc *rsc); /* Return the index of resource */ + /* Return the output slot number */ + int (*output_slot)(const struct rsc *rsc); +}; + +int rsc_init(struct rsc *rsc, u32 idx, enum RSCTYP type, u32 msr, void *hw); +int rsc_uninit(struct rsc *rsc); + +struct rsc_mgr { + enum RSCTYP type; /* The type (RSCTYP) of resource to manage */ + unsigned int amount; /* The total amount of a kind of resource */ + unsigned int avail; /* The amount of currently available resources */ + unsigned char *rscs; /* The bit-map for resource allocation */ + void *ctrl_blk; /* Chip specific control info block */ + void *hw; /* Chip specific object for hardware access */ +}; + +/* Resource management is based on bit-map mechanism */ +int rsc_mgr_init(struct rsc_mgr *mgr, enum RSCTYP type, + unsigned int amount, void *hw); +int rsc_mgr_uninit(struct rsc_mgr *mgr); +int mgr_get_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int *ridx); +int mgr_put_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int idx); + +#endif /* CTRESOURCE_H */ |