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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/sound/pci/ctxfi/cthardware.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/sound/pci/ctxfi/cthardware.c')
-rw-r--r-- | kernel/sound/pci/ctxfi/cthardware.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/kernel/sound/pci/ctxfi/cthardware.c b/kernel/sound/pci/ctxfi/cthardware.c new file mode 100644 index 000000000..a689f2552 --- /dev/null +++ b/kernel/sound/pci/ctxfi/cthardware.c @@ -0,0 +1,93 @@ +/** + * 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> + +int create_hw_obj(struct pci_dev *pci, enum CHIPTYP chip_type, + enum CTCARDS model, struct hw **rhw) +{ + int err; + + switch (chip_type) { + case ATC20K1: + err = create_20k1_hw_obj(rhw); + break; + case ATC20K2: + err = create_20k2_hw_obj(rhw); + break; + default: + err = -ENODEV; + break; + } + if (err) + return err; + + (*rhw)->pci = pci; + (*rhw)->chip_type = chip_type; + (*rhw)->model = model; + + return 0; +} + +int destroy_hw_obj(struct hw *hw) +{ + int err; + + 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; + + if (WARN_ON(!field)) + return 0; + /* @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; + + if (WARN_ON(!field)) + return; + /* @field should always be greater than 0 */ + for (i = 0; !(field & (1 << i)); ) + i++; + + *data = (*data & (~field)) | ((value << i) & field); +} + |