void __init asihpi_init(void) { struct hpi_message hm; struct hpi_response hr; memset(adapters, 0, sizeof(adapters)); printk(KERN_INFO "ASIHPI driver %d.%02d.%02d\n", HPI_VER_MAJOR(HPI_VER), HPI_VER_MINOR(HPI_VER), HPI_VER_RELEASE(HPI_VER)); hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_DRIVER_LOAD); hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL); }
/*-------------------------------------------------------------------*/ 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) { 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; }