emi62.c revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Emagic EMI 2|6 usb audio interface firmware loader. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2002 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Tapio Laxstr�m (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 * $Id: emi62.c,v 1.15 2002/04/23 06:13:59 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/init.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/usb.h> 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_INTEL_HEX_RECORD_LENGTH 16 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct _INTEL_HEX_RECORD 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u32 length; 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u32 address; 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u32 type; 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u8 data[MAX_INTEL_HEX_RECORD_LENGTH]; 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} INTEL_HEX_RECORD, *PINTEL_HEX_RECORD; 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* include firmware (variables)*/ 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* FIXME: This is quick and dirty solution! */ 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SPDIF /* if you want SPDIF comment next line */ 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//#undef SPDIF /* if you want MIDI uncomment this line */ 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SPDIF 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# include "emi62_fw_s.h" /* spdif fw */ 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# include "emi62_fw_m.h" /* midi fw */ 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EMI62_VENDOR_ID 0x086a /* Emagic Soft-und Hardware GmBH */ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EMI62_PRODUCT_ID 0x0110 /* EMI 6|2m without firmware */ 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ANCHOR_LOAD_INTERNAL 0xA0 /* Vendor specific request code for Anchor Upload/Download (This one is implemented in the core) */ 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ANCHOR_LOAD_EXTERNAL 0xA3 /* This command is not implemented in the core. Requires firmware */ 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ANCHOR_LOAD_FPGA 0xA5 /* This command is not implemented in the core. Requires firmware. Emagic extension */ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_INTERNAL_ADDRESS 0x1B3F /* This is the highest internal RAM address for the AN2131Q */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CPUCS_REG 0x7F92 /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */ 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define INTERNAL_RAM(address) (address <= MAX_INTERNAL_ADDRESS) 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_writememory( struct usb_device *dev, int address, unsigned char *data, int length, __u8 bRequest); 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_set_reset(struct usb_device *dev, unsigned char reset_bit); 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_load_firmware (struct usb_device *dev); 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_probe(struct usb_interface *intf, const struct usb_device_id *id); 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void emi62_disconnect(struct usb_interface *intf); 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init emi62_init (void); 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit emi62_exit (void); 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* thanks to drivers/usb/serial/keyspan_pda.c code */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *buffer = kmalloc (length, GFP_KERNEL); 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!buffer) { 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("emi62: kmalloc(%d) failed.", length); 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy (buffer, data, length); 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Note: usb_control_msg returns negative value on error or length of the 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * data that was written! */ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree (buffer); 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* thanks to drivers/usb/serial/keyspan_pda.c code */ 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_set_reset (struct usb_device *dev, unsigned char reset_bit) 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int response; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info("%s - %d", __FUNCTION__, reset_bit); 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds response = emi62_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0); 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (response < 0) { 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("emi62: set_reset (%d) failed", reset_bit); 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return response; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FW_LOAD_SIZE 1023 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_load_firmware (struct usb_device *dev) 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pos = 0; /* Position in hex record */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u32 addr; /* Address to write */ 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u8 *buf; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&dev->dev, "load_firmware\n"); 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL); 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!buf) { 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err( "%s - error loading firmware: error = %d", __FUNCTION__, -ENOMEM); 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENOMEM; 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assert reset (stop the CPU in the EMI) */ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_set_reset(dev,1); 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1. We need to put the loader for the FPGA into the EZ-USB */ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; g_emi62_loader[i].type == 0; i++) { 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, g_emi62_loader[i].address, g_emi62_loader[i].data, g_emi62_loader[i].length, ANCHOR_LOAD_INTERNAL); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* De-assert reset (let the CPU run) */ 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_set_reset(dev,0); 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2. We upload the FPGA firmware into the EMI 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: collect up to 1023 (yes!) bytes and send them with 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a single request. This is _much_ faster! */ 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = g_emi62bs[pos].address; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* intel hex records are terminated with type 0 element */ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ((g_emi62bs[pos].type == 0) && (i + g_emi62bs[pos].length < FW_LOAD_SIZE)) { 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(buf + i, g_emi62bs[pos].data, g_emi62bs[pos].length); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i += g_emi62bs[pos].length; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pos++; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, addr, buf, i, ANCHOR_LOAD_FPGA); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (i > 0); 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assert reset (stop the CPU in the EMI) */ 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_set_reset(dev,1); 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3. We need to put the loader for the firmware into the EZ-USB (again...) */ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; g_emi62_loader[i].type == 0; i++) { 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, g_emi62_loader[i].address, g_emi62_loader[i].data, g_emi62_loader[i].length, ANCHOR_LOAD_INTERNAL); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* De-assert reset (let the CPU run) */ 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_set_reset(dev,0); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */ 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* FIXME: quick and dirty ifdefs */ 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SPDIF 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; g_HexSpdifFw62[i].type == 0; i++) { 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!INTERNAL_RAM(g_HexSpdifFw62[i].address)) { 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, g_HexSpdifFw62[i].address, g_HexSpdifFw62[i].data, g_HexSpdifFw62[i].length, ANCHOR_LOAD_EXTERNAL); 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* MIDI */ 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; g_HexMidiFw62[i].type == 0; i++) { 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!INTERNAL_RAM(g_HexMidiFw62[i].address)) { 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, g_HexMidiFw62[i].address, g_HexMidiFw62[i].data, g_HexMidiFw62[i].length, ANCHOR_LOAD_EXTERNAL); 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d\n", __FUNCTION__, err); 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assert reset (stop the CPU in the EMI) */ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_set_reset(dev,1); 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* FIXME: quick and dirty ifdefs */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SPDIF 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; g_HexSpdifFw62[i].type == 0; i++) { 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INTERNAL_RAM(g_HexSpdifFw62[i].address)) { 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, g_HexSpdifFw62[i].address, g_HexSpdifFw62[i].data, g_HexSpdifFw62[i].length, ANCHOR_LOAD_INTERNAL); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* MIDI */ 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; g_HexMidiFw62[i].type == 0; i++) { 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INTERNAL_RAM(g_HexMidiFw62[i].address)) { 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_writememory(dev, g_HexMidiFw62[i].address, g_HexMidiFw62[i].data, g_HexMidiFw62[i].length, ANCHOR_LOAD_INTERNAL); 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d\n", __FUNCTION__, err); 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* De-assert reset (let the CPU run) */ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = emi62_set_reset(dev,0); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err("%s - error loading firmware: error = %d", __FUNCTION__, err); 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto wraperr; 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(buf); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* return 1 to fail the driver inialization 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and give real driver change to load */ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldswraperr: 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(buf); 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_err(&dev->dev, "Error\n"); 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic __devinitdata struct usb_device_id id_table [] = { 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(EMI62_VENDOR_ID, EMI62_PRODUCT_ID) }, 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* Terminating entry */ 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE (usb, id_table); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int emi62_probe(struct usb_interface *intf, const struct usb_device_id *id) 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_device *dev = interface_to_usbdev(intf); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&intf->dev, "emi62_probe\n"); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info("%s start", __FUNCTION__); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds emi62_load_firmware(dev); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* do not return the driver context, let real audio driver do that */ 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EIO; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void emi62_disconnect(struct usb_interface *intf) 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct usb_driver emi62_driver = { 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .owner = THIS_MODULE, 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "emi62 - firmware loader", 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = emi62_probe, 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .disconnect = emi62_disconnect, 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = id_table, 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init emi62_init (void) 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = usb_register (&emi62_driver); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval) 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "adi-emi: registration failed\n"); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit emi62_exit (void) 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds usb_deregister (&emi62_driver); 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(emi62_init); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(emi62_exit); 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("tapio laxstr�m"); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("Emagic EMI 6|2m firmware loader."); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* vi:ai:syntax=c:sw=8:ts=8:tw=80 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 299