diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/asihpi/hpidspcd.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/asihpi/hpidspcd.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/ANDROID_3.4.5/sound/pci/asihpi/hpidspcd.c b/ANDROID_3.4.5/sound/pci/asihpi/hpidspcd.c deleted file mode 100644 index 456a758f..00000000 --- a/ANDROID_3.4.5/sound/pci/asihpi/hpidspcd.c +++ /dev/null @@ -1,148 +0,0 @@ -/***********************************************************************/ -/** - - AudioScience HPI driver - Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> - - 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 - -\file -Functions for reading DSP code using -hotplug firmware loader from individual dsp code files -*/ -/***********************************************************************/ -#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_printk(KERN_ERR, &dev->dev, - "%d, request_firmware failed for %s\n", err, - fw_name); - goto error1; - } - if (firmware->size < sizeof(header)) { - dev_printk(KERN_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_printk(KERN_ERR, &dev->dev, - "Invalid firmware header size %d != file %zd\n", - header.size, firmware->size); - goto error2; - } - - if ((header.version >> 9) != (HPI_VER >> 9)) { - /* Consider even and subsequent odd minor versions to be compatible */ - dev_printk(KERN_ERR, &dev->dev, - "Incompatible firmware version " - "DSP image %X != Driver %X\n", header.version, - HPI_VER); - goto error2; - } - - if (header.version != HPI_VER) { - dev_printk(KERN_INFO, &dev->dev, - "Firmware: release 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; -} |