/** * 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 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); } href='/cgit.cgi/linux/net-next.git/log/sound/pci/lola/Makefile?h=nds-private-remove'>logtree commit diff

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