/*********************************************************************** AudioScience HPI driver Functions for reading DSP code using hotplug firmware loader Copyright (C) 1997-2014 AudioScience Inc. This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation; This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ***********************************************************************/ #define SOURCEFILE_NAME "hpidspcd.c" #include "hpidspcd.h" #include "hpidebug.h" #include "hpi_version.h" struct dsp_code_private { /** Firmware descriptor */ const struct firmware *firmware; struct pci_dev *dev; }; /*-------------------------------------------------------------------*/ short hpi_dsp_code_open(u32 adapter, void *os_data, struct dsp_code *dsp_code, u32 *os_error_code) { const struct firmware *firmware; struct pci_dev *dev = os_data; struct code_header header; char fw_name[20]; short err_ret = HPI_ERROR_DSP_FILE_NOT_FOUND; int err; sprintf(fw_name, "asihpi/dsp%04x.bin", adapter); err = request_firmware(&firmware, fw_name, &dev->dev); if (err || !firmware) { dev_err(&dev->dev, "%d, request_firmware failed for %s\n", err, fw_name); goto error1; } if (firmware->size < sizeof(header)) { dev_err(&dev->dev, "Header size too small %s\n", fw_name); goto error2; } memcpy(&header, firmware->data, sizeof(header)); if ((header.type != 0x45444F43) || /* "CODE" */ (header.adapter != adapter) || (header.size != firmware->size)) { dev_err(&dev->dev, "Invalid firmware header size %d != file %zd\n", header.size, firmware->size); goto error2; } if (HPI_VER_MAJOR(header.version) != HPI_VER_MAJOR(HPI_VER)) { /* Major version change probably means Host-DSP protocol change */ dev_err(&dev->dev, "Incompatible firmware version DSP image %X != Driver %X\n", header.version, HPI_VER); goto error2; } if (header.version != HPI_VER) { dev_warn(&dev->dev, "Firmware version mismatch: DSP image %X != Driver %X\n", header.version, HPI_VER); } HPI_DEBUG_LOG(DEBUG, "dsp code %s opened\n", fw_name); dsp_code->pvt = kmalloc(sizeof(*dsp_code->pvt), GFP_KERNEL); if (!dsp_code->pvt) { err_ret = HPI_ERROR_MEMORY_ALLOC; goto error2; } dsp_code->pvt->dev = dev; dsp_code->pvt->firmware = firmware; dsp_code->header = header; dsp_code->block_length = header.size / sizeof(u32); dsp_code->word_count = sizeof(header) / sizeof(u32); return 0; error2: release_firmware(firmware); error1: dsp_code->block_length = 0; return err_ret; } /*-------------------------------------------------------------------*/ void hpi_dsp_code_close(struct dsp_code *dsp_code) { HPI_DEBUG_LOG(DEBUG, "dsp code closed\n"); release_firmware(dsp_code->pvt->firmware); kfree(dsp_code->pvt); } /*-------------------------------------------------------------------*/ void hpi_dsp_code_rewind(struct dsp_code *dsp_code) { /* Go back to start of data, after header */ dsp_code->word_count = sizeof(struct code_header) / sizeof(u32); } /*-------------------------------------------------------------------*/ short hpi_dsp_code_read_word(struct dsp_code *dsp_code, u32 *pword) { if (dsp_code->word_count + 1 > dsp_code->block_length) return HPI_ERROR_DSP_FILE_FORMAT; *pword = ((u32 *)(dsp_code->pvt->firmware->data))[dsp_code-> word_count]; dsp_code->word_count++; return 0; } /*-------------------------------------------------------------------*/ short hpi_dsp_code_read_block(size_t words_requested, struct dsp_code *dsp_code, u32 **ppblock) { if (dsp_code->word_count + words_requested > dsp_code->block_length) return HPI_ERROR_DSP_FILE_FORMAT; *ppblock = ((u32 *)(dsp_code->pvt->firmware->data)) + dsp_code->word_count; dsp_code->word_count += words_requested; return 0; } nly
authorKalle Valo <kvalo@codeaurora.org>2017-01-27 14:19:25 +0200
committerKalle Valo <kvalo@codeaurora.org>2017-01-28 09:15:50 +0200
commit2b1d530cb3157f828fcaadd259613f59db3c6d1c (patch)
treefb5dfe8f2e6956f54377c7275f330cd158ead259 /net/ipv6/xfrm6_mode_beet.c
parentbd19b5ab1da654de456e102250822ec06311d6ad (diff)
MAINTAINERS: ath9k-devel is closed
ath9k-devel list is now closed, only linux-wireless should be used. Reported-by: Michael Renzmann <mrenzmann@madwifi-project.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'net/ipv6/xfrm6_mode_beet.c')