diff options
| author | Wai Yew CHAY <wychay@ctl.creative.com> | 2009-05-14 08:05:58 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-05-14 08:24:10 +0200 |
| commit | 8cc72361481f00253f1e468ade5795427386d593 (patch) | |
| tree | ec6f3ea304f90fa9c99abb1bf2354fc5d357db27 /sound/pci/ctxfi/cthardware.c | |
| parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) | |
ALSA: SB X-Fi driver merge
The Sound Blaster X-Fi driver supports Creative solutions based on
20K1 and 20K2 chipsets.
Supported hardware :
Creative Sound Blaster X-Fi Titanium Fatal1ty® Champion Series
Creative Sound Blaster X-Fi Titanium Fatal1ty Professional Series
Creative Sound Blaster X-Fi Titanium Professional Audio
Creative Sound Blaster X-Fi Titanium
Creative Sound Blaster X-Fi Elite Pro
Creative Sound Blaster X-Fi Platinum
Creative Sound Blaster X-Fi Fatal1ty
Creative Sound Blaster X-Fi XtremeGamer
Creative Sound Blaster X-Fi XtremeMusic
Current release features:
* ALSA PCM Playback
* ALSA Record
* ALSA Mixer
Note:
* External I/O modules detection not included.
Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ctxfi/cthardware.c')
| -rw-r--r-- | sound/pci/ctxfi/cthardware.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/cthardware.c b/sound/pci/ctxfi/cthardware.c new file mode 100644 index 000000000000..8e58860f641c --- /dev/null +++ b/sound/pci/ctxfi/cthardware.c @@ -0,0 +1,108 @@ +/** + * 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 cthardware.c + * + * @Brief + * This file contains the implementation of hardware access methord. + * + * @Author Liu Chun + * @Date Jun 26 2008 + * + */ + +#include "cthardware.h" +#include "cthw20k1.h" +#include "cthw20k2.h" +#include <linux/bug.h> + +static enum CHIPTYP get_chip_type(struct hw *hw) +{ + enum CHIPTYP type = ATCNONE; + + switch (hw->pci->device) { + case 0x0005: /* 20k1 device */ + type = ATC20K1; + break; + case 0x000B: /* 20k2 device */ + type = ATC20K2; + break; + default: + type = ATCNONE; + break; + } + + return type; +} + +int create_hw_obj(struct pci_dev *pci, struct hw **rhw) +{ + int err = 0; + + switch (pci->device) { + case 0x0005: /* 20k1 device */ + err = create_20k1_hw_obj(rhw); + break; + case 0x000B: /* 20k2 device */ + err = create_20k2_hw_obj(rhw); + break; + default: + err = -ENODEV; + break; + } + if (err) + return err; + + (*rhw)->pci = pci; + (*rhw)->get_chip_type = get_chip_type; + + return 0; +} + +int destroy_hw_obj(struct hw *hw) +{ + int err = 0; + + switch (hw->pci->device) { + case 0x0005: /* 20k1 device */ + err = destroy_20k1_hw_obj(hw); + break; + case 0x000B: /* 20k2 device */ + err = destroy_20k2_hw_obj(hw); + break; + default: + err = -ENODEV; + break; + } + + return err; +} + +unsigned int get_field(unsigned int data, unsigned int field) +{ + int i; + + BUG_ON(!field); + /* @field should always be greater than 0 */ + for (i = 0; !(field & (1 << i)); ) + i++; + + return (data & field) >> i; +} + +void set_field(unsigned int *data, unsigned int field, unsigned int value) +{ + int i; + + BUG_ON(!field); + /* @field should always be greater than 0 */ + for (i = 0; !(field & (1 << i)); ) + i++; + + *data = (*data & (~field)) | ((value << i) & field); +} + |