11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Emagic EMI 2|6 usb audio interface firmware loader. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2002 496de0e252cedffad61b3cb5e05662c591898e69aJan Engelhardt * Tapio Laxström (tapio.laxstrom@iptime.fi) 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License, as published by 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation, version 2. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * emi26.c,v 1.13 2002/03/08 13:10:26 tapio Exp 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/usb.h> 1716c23f7d88cbcce491f9370b2846fad66e8ef319Monty#include <linux/delay.h> 18ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse#include <linux/firmware.h> 19ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse#include <linux/ihex.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EMI26_VENDOR_ID 0x086a /* Emagic Soft-und Hardware GmBH */ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EMI26_PRODUCT_ID 0x0100 /* EMI 2|6 without firmware */ 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EMI26B_PRODUCT_ID 0x0102 /* EMI 2|6 without firmware */ 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ANCHOR_LOAD_INTERNAL 0xA0 /* Vendor specific request code for Anchor Upload/Download (This one is implemented in the core) */ 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ANCHOR_LOAD_EXTERNAL 0xA3 /* This command is not implemented in the core. Requires firmware */ 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ANCHOR_LOAD_FPGA 0xA5 /* This command is not implemented in the core. Requires firmware. Emagic extension */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_INTERNAL_ADDRESS 0x1B3F /* This is the highest internal RAM address for the AN2131Q */ 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CPUCS_REG 0x7F92 /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */ 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define INTERNAL_RAM(address) (address <= MAX_INTERNAL_ADDRESS) 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 32ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhousestatic int emi26_writememory( struct usb_device *dev, int address, 33ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse const unsigned char *data, int length, 34ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse __u8 bRequest); 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi26_set_reset(struct usb_device *dev, unsigned char reset_bit); 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi26_load_firmware (struct usb_device *dev); 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi26_probe(struct usb_interface *intf, const struct usb_device_id *id); 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void emi26_disconnect(struct usb_interface *intf); 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* thanks to drivers/usb/serial/keyspan_pda.c code */ 41ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhousestatic int emi26_writememory (struct usb_device *dev, int address, 42ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse const unsigned char *data, int length, 43ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse __u8 request) 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 465d7efe5b3768bf53df9b87380ea68baacf11f933Eric Sesterhenn unsigned char *buffer = kmemdup(data, length, GFP_KERNEL); 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!buffer) { 49fd3f1917e345d852ef9ae36178719f4e639f70aeGreg Kroah-Hartman dev_err(&dev->dev, "kmalloc(%d) failed.\n", length); 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Note: usb_control_msg returns negative value on error or length of the 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * data that was written! */ 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree (buffer); 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* thanks to drivers/usb/serial/keyspan_pda.c code */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi26_set_reset (struct usb_device *dev, unsigned char reset_bit) 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int response; 631b29a375fb0b79a11a2d18e7bf5f6da422a35025Greg Kroah-Hartman dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit); 64441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison /* printk(KERN_DEBUG "%s - %d", __func__, reset_bit); */ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds response = emi26_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0); 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (response < 0) { 67fd3f1917e345d852ef9ae36178719f4e639f70aeGreg Kroah-Hartman dev_err(&dev->dev, "set_reset (%d) failed\n", reset_bit); 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return response; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FW_LOAD_SIZE 1023 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi26_load_firmware (struct usb_device *dev) 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 76ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse const struct firmware *loader_fw = NULL; 77ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse const struct firmware *bitstream_fw = NULL; 78ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse const struct firmware *firmware_fw = NULL; 79ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse const struct ihex_binrec *rec; 80b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman int err = -ENOMEM; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u32 addr; /* Address to write */ 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u8 *buf; 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL); 86b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (!buf) 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 89ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = request_ihex_firmware(&loader_fw, "emi26/loader.fw", &dev->dev); 90ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse if (err) 91ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse goto nofw; 92ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse 93ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = request_ihex_firmware(&bitstream_fw, "emi26/bitstream.fw", 94ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse &dev->dev); 95ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse if (err) 96ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse goto nofw; 97ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse 98ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = request_ihex_firmware(&firmware_fw, "emi26/firmware.fw", 99ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse &dev->dev); 100ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse if (err) { 101ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse nofw: 102fd3f1917e345d852ef9ae36178719f4e639f70aeGreg Kroah-Hartman dev_err(&dev->dev, "%s - request_firmware() failed\n", 103fd3f1917e345d852ef9ae36178719f4e639f70aeGreg Kroah-Hartman __func__); 104ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse goto wraperr; 105ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse } 106ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assert reset (stop the CPU in the EMI) */ 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_set_reset(dev,1); 109b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 112ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec = (const struct ihex_binrec *)loader_fw->data; 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1. We need to put the loader for the FPGA into the EZ-USB */ 114ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse while (rec) { 115ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = emi26_writememory(dev, be32_to_cpu(rec->addr), 116ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec->data, be16_to_cpu(rec->len), 117ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse ANCHOR_LOAD_INTERNAL); 118b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 120ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec = ihex_next_binrec(rec); 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* De-assert reset (let the CPU run) */ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_set_reset(dev,0); 125b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 126cf4cf0bb89cbff95c5be8f8d3c68e55f38f94ba7Oliver Neukum goto wraperr; 12716c23f7d88cbcce491f9370b2846fad66e8ef319Monty msleep(250); /* let device settle */ 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2. We upload the FPGA firmware into the EMI 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: collect up to 1023 (yes!) bytes and send them with 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a single request. This is _much_ faster! */ 132ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec = (const struct ihex_binrec *)bitstream_fw->data; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 135ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse addr = be32_to_cpu(rec->addr); 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* intel hex records are terminated with type 0 element */ 138ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse while (rec && (i + be16_to_cpu(rec->len) < FW_LOAD_SIZE)) { 139ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse memcpy(buf + i, rec->data, be16_to_cpu(rec->len)); 140ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse i += be16_to_cpu(rec->len); 141ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec = ihex_next_binrec(rec); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_writememory(dev, addr, buf, i, ANCHOR_LOAD_FPGA); 144b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 146327d74f6b65ddc8a042c43c11fdd4be0bb354668Marcin Slusarz } while (rec); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assert reset (stop the CPU in the EMI) */ 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_set_reset(dev,1); 150b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3. We need to put the loader for the firmware into the EZ-USB (again...) */ 154ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse for (rec = (const struct ihex_binrec *)loader_fw->data; 155ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec; rec = ihex_next_binrec(rec)) { 156ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = emi26_writememory(dev, be32_to_cpu(rec->addr), 157ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec->data, be16_to_cpu(rec->len), 158ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse ANCHOR_LOAD_INTERNAL); 159b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16216c23f7d88cbcce491f9370b2846fad66e8ef319Monty msleep(250); /* let device settle */ 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* De-assert reset (let the CPU run) */ 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_set_reset(dev,0); 166b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */ 170ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse 171ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse for (rec = (const struct ihex_binrec *)firmware_fw->data; 172ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec; rec = ihex_next_binrec(rec)) { 173ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse if (!INTERNAL_RAM(be32_to_cpu(rec->addr))) { 174ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = emi26_writememory(dev, be32_to_cpu(rec->addr), 175ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec->data, be16_to_cpu(rec->len), 176ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse ANCHOR_LOAD_EXTERNAL); 177b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 181b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assert reset (stop the CPU in the EMI) */ 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_set_reset(dev,1); 184b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 187ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse for (rec = (const struct ihex_binrec *)firmware_fw->data; 188ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec; rec = ihex_next_binrec(rec)) { 189ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse if (INTERNAL_RAM(be32_to_cpu(rec->addr))) { 190ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse err = emi26_writememory(dev, be32_to_cpu(rec->addr), 191ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse rec->data, be16_to_cpu(rec->len), 192ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse ANCHOR_LOAD_INTERNAL); 193b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* De-assert reset (let the CPU run) */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi26_set_reset(dev,0); 200b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 20216c23f7d88cbcce491f9370b2846fad66e8ef319Monty msleep(250); /* let device settle */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* return 1 to fail the driver inialization 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and give real driver change to load */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = 1; 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldswraperr: 209b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman if (err < 0) 210b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman dev_err(&dev->dev,"%s - error loading firmware: error = %d\n", 211b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman __func__, err); 212b412284b969845615e860001b2f34614ece1d576Greg Kroah-Hartman 213ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse release_firmware(loader_fw); 214ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse release_firmware(bitstream_fw); 215ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse release_firmware(firmware_fw); 216ae93a55bf948753de0bb8e43fa9c027f786abb05David Woodhouse 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(buf); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22133b9e16243fd69493be3ddda7be73226c8be586aNémeth Mártonstatic const struct usb_device_id id_table[] = { 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(EMI26_VENDOR_ID, EMI26_PRODUCT_ID) }, 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(EMI26_VENDOR_ID, EMI26B_PRODUCT_ID) }, 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* Terminating entry */ 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE (usb, id_table); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi26_probe(struct usb_interface *intf, const struct usb_device_id *id) 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_device *dev = interface_to_usbdev(intf); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2331b29a375fb0b79a11a2d18e7bf5f6da422a35025Greg Kroah-Hartman dev_info(&intf->dev, "%s start\n", __func__); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds emi26_load_firmware(dev); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* do not return the driver context, let real audio driver do that */ 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EIO; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void emi26_disconnect(struct usb_interface *intf) 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct usb_driver emi26_driver = { 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "emi26 - firmware loader", 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = emi26_probe, 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .disconnect = emi26_disconnect, 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = id_table, 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25265db43054065790a75291b0834657445fea2cf56Greg Kroah-Hartmanmodule_usb_driver(emi26_driver); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25496de0e252cedffad61b3cb5e05662c591898e69aJan EngelhardtMODULE_AUTHOR("Tapio Laxström"); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("Emagic EMI 2|6 firmware loader."); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 258ae93a55bf948753de0bb8e43fa9c027f786abb05David WoodhouseMODULE_FIRMWARE("emi26/loader.fw"); 259ae93a55bf948753de0bb8e43fa9c027f786abb05David WoodhouseMODULE_FIRMWARE("emi26/bitstream.fw"); 260ae93a55bf948753de0bb8e43fa9c027f786abb05David WoodhouseMODULE_FIRMWARE("emi26/firmware.fw"); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* vi:ai:syntax=c:sw=8:ts=8:tw=80 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 263