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Diffstat (limited to 'sound/oss/wavfront.c')
| -rw-r--r-- | sound/oss/wavfront.c | 3554 |
1 files changed, 0 insertions, 3554 deletions
diff --git a/sound/oss/wavfront.c b/sound/oss/wavfront.c deleted file mode 100644 index 1dec3958cc7b..000000000000 --- a/sound/oss/wavfront.c +++ /dev/null @@ -1,3554 +0,0 @@ -/* -*- linux-c -*- - * - * sound/wavfront.c - * - * A Linux driver for Turtle Beach WaveFront Series (Maui, Tropez, Tropez Plus) - * - * This driver supports the onboard wavetable synthesizer (an ICS2115), - * including patch, sample and program loading and unloading, conversion - * of GUS patches during loading, and full user-level access to all - * WaveFront commands. It tries to provide semi-intelligent patch and - * sample management as well. - * - * It also provides support for the ICS emulation of an MPU-401. Full - * support for the ICS emulation's "virtual MIDI mode" is provided in - * wf_midi.c. - * - * Support is also provided for the Tropez Plus' onboard FX processor, - * a Yamaha YSS225. Currently, code exists to configure the YSS225, - * and there is an interface allowing tweaking of any of its memory - * addresses. However, I have been unable to decipher the logical - * positioning of the configuration info for various effects, so for - * now, you just get the YSS225 in the same state as Turtle Beach's - * "SETUPSND.EXE" utility leaves it. - * - * The boards' DAC/ADC (a Crystal CS4232) is supported by cs4232.[co], - * This chip also controls the configuration of the card: the wavefront - * synth is logical unit 4. - * - * - * Supported devices: - * - * /dev/dsp - using cs4232+ad1848 modules, OSS compatible - * /dev/midiNN and /dev/midiNN+1 - using wf_midi code, OSS compatible - * /dev/synth00 - raw synth interface - * - ********************************************************************** - * - * Copyright (C) by Paul Barton-Davis 1998 - * - * Some portions of this file are taken from work that is - * copyright (C) by Hannu Savolainen 1993-1996 - * - * Although the relevant code here is all new, the handling of - * sample/alias/multi- samples is entirely based on a driver by Matt - * Martin and Rutger Nijlunsing which demonstrated how to get things - * to work correctly. The GUS patch loading code has been almost - * unaltered by me, except to fit formatting and function names in the - * rest of the file. Many thanks to them. - * - * Appreciation and thanks to Hannu Savolainen for his early work on the Maui - * driver, and answering a few questions while this one was developed. - * - * Absolutely NO thanks to Turtle Beach/Voyetra and Yamaha for their - * complete lack of help in developing this driver, and in particular - * for their utter silence in response to questions about undocumented - * aspects of configuring a WaveFront soundcard, particularly the - * effects processor. - * - * $Id: wavfront.c,v 0.7 1998/09/09 15:47:36 pbd Exp $ - * - * This program is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) - * Version 2 (June 1991). See the "COPYING" file distributed with this software - * for more info. - * - * Changes: - * 11-10-2000 Bartlomiej Zolnierkiewicz <bkz@linux-ide.org> - * Added some __init and __initdata to entries in yss225.c - */ - -#include <linux/module.h> - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/smp_lock.h> -#include <linux/ptrace.h> -#include <linux/fcntl.h> -#include <linux/syscalls.h> -#include <linux/ioport.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <linux/config.h> - -#include <linux/delay.h> - -#include "sound_config.h" - -#include <linux/wavefront.h> - -#define _MIDI_SYNTH_C_ -#define MIDI_SYNTH_NAME "WaveFront MIDI" -#define MIDI_SYNTH_CAPS SYNTH_CAP_INPUT -#include "midi_synth.h" - -/* Compile-time control of the extent to which OSS is supported. - - I consider /dev/sequencer to be an anachronism, but given its - widespread usage by various Linux MIDI software, it seems worth - offering support to it if it's not too painful. Instead of using - /dev/sequencer, I recommend: - - for synth programming and patch loading: /dev/synthNN - for kernel-synchronized MIDI sequencing: the ALSA sequencer - for direct MIDI control: /dev/midiNN - - I have never tried static compilation into the kernel. The #if's - for this are really just notes to myself about what the code is - for. -*/ - -#define OSS_SUPPORT_SEQ 0x1 /* use of /dev/sequencer */ -#define OSS_SUPPORT_STATIC_INSTALL 0x2 /* static compilation into kernel */ - -#define OSS_SUPPORT_LEVEL 0x1 /* just /dev/sequencer for now */ - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ -static int (*midi_load_patch) (int devno, int format, const char __user *addr, - int offs, int count, int pmgr_flag) = NULL; -#endif /* OSS_SUPPORT_SEQ */ - -/* if WF_DEBUG not defined, no run-time debugging messages will - be available via the debug flag setting. Given the current - beta state of the driver, this will remain set until a future - version. -*/ - -#define WF_DEBUG 1 - -#ifdef WF_DEBUG - -/* Thank goodness for gcc's preprocessor ... */ - -#define DPRINT(cond, format, args...) \ - if ((dev.debug & (cond)) == (cond)) { \ - printk (KERN_DEBUG LOGNAME format, ## args); \ - } -#else -#define DPRINT(cond, format, args...) -#endif - -#define LOGNAME "WaveFront: " - -/* bitmasks for WaveFront status port value */ - -#define STAT_RINTR_ENABLED 0x01 -#define STAT_CAN_READ 0x02 -#define STAT_INTR_READ 0x04 -#define STAT_WINTR_ENABLED 0x10 -#define STAT_CAN_WRITE 0x20 -#define STAT_INTR_WRITE 0x40 - -/*** Module-accessible parameters ***************************************/ - -static int wf_raw; /* we normally check for "raw state" to firmware - loading. if set, then during driver loading, the - state of the board is ignored, and we reset the - board and load the firmware anyway. - */ - -static int fx_raw = 1; /* if this is zero, we'll leave the FX processor in - whatever state it is when the driver is loaded. - The default is to download the microprogram and - associated coefficients to set it up for "default" - operation, whatever that means. - */ - -static int debug_default; /* you can set this to control debugging - during driver loading. it takes any combination - of the WF_DEBUG_* flags defined in - wavefront.h - */ - -/* XXX this needs to be made firmware and hardware version dependent */ - -static char *ospath = "/etc/sound/wavefront.os"; /* where to find a processed - version of the WaveFront OS - */ - -static int wait_polls = 2000; /* This is a number of tries we poll the - status register before resorting to sleeping. - WaveFront being an ISA card each poll takes - about 1.2us. So before going to - sleep we wait up to 2.4ms in a loop. - */ - -static int sleep_length = HZ/100; /* This says how long we're going to - sleep between polls. - 10ms sounds reasonable for fast response. - */ - -static int sleep_tries = 50; /* Wait for status 0.5 seconds total. */ - -static int reset_time = 2; /* hundreths of a second we wait after a HW reset for - the expected interrupt. - */ - -static int ramcheck_time = 20; /* time in seconds to wait while ROM code - checks on-board RAM. - */ - -static int osrun_time = 10; /* time in seconds we wait for the OS to - start running. - */ - -module_param(wf_raw, int, 0); -module_param(fx_raw, int, 0); -module_param(debug_default, int, 0); -module_param(wait_polls, int, 0); -module_param(sleep_length, int, 0); -module_param(sleep_tries, int, 0); -module_param(ospath, charp, 0); -module_param(reset_time, int, 0); -module_param(ramcheck_time, int, 0); -module_param(osrun_time, int, 0); - -/***************************************************************************/ - -/* Note: because this module doesn't export any symbols, this really isn't - a global variable, even if it looks like one. I was quite confused by - this when I started writing this as a (newer) module -- pbd. -*/ - -struct wf_config { - int devno; /* device number from kernel */ - int irq; /* "you were one, one of the few ..." */ - int base; /* low i/o port address */ - -#define mpu_data_port base -#define mpu_command_port base + 1 /* write semantics */ -#define mpu_status_port base + 1 /* read semantics */ -#define data_port base + 2 -#define status_port base + 3 /* read semantics */ -#define control_port base + 3 /* write semantics */ -#define block_port base + 4 /* 16 bit, writeonly */ -#define last_block_port base + 6 /* 16 bit, writeonly */ - - /* FX ports. These are mapped through the ICS2115 to the YS225. - The ICS2115 takes care of flipping the relevant pins on the - YS225 so that access to each of these ports does the right - thing. Note: these are NOT documented by Turtle Beach. - */ - -#define fx_status base + 8 -#define fx_op base + 8 -#define fx_lcr base + 9 -#define fx_dsp_addr base + 0xa -#define fx_dsp_page base + 0xb -#define fx_dsp_lsb base + 0xc -#define fx_dsp_msb base + 0xd -#define fx_mod_addr base + 0xe -#define fx_mod_data base + 0xf - - volatile int irq_ok; /* set by interrupt handler */ - volatile int irq_cnt; /* ditto */ - int opened; /* flag, holds open(2) mode */ - char debug; /* debugging flags */ - int freemem; /* installed RAM, in bytes */ - - int synth_dev; /* devno for "raw" synth */ - int mididev; /* devno for internal MIDI */ - int ext_mididev; /* devno for external MIDI */ - int fx_mididev; /* devno for FX MIDI interface */ -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ - int oss_dev; /* devno for OSS sequencer synth */ -#endif /* OSS_SUPPORT_SEQ */ - - char fw_version[2]; /* major = [0], minor = [1] */ - char hw_version[2]; /* major = [0], minor = [1] */ - char israw; /* needs Motorola microcode */ - char has_fx; /* has FX processor (Tropez+) */ - char prog_status[WF_MAX_PROGRAM]; /* WF_SLOT_* */ - char patch_status[WF_MAX_PATCH]; /* WF_SLOT_* */ - char sample_status[WF_MAX_SAMPLE]; /* WF_ST_* | WF_SLOT_* */ - int samples_used; /* how many */ - char interrupts_on; /* h/w MPU interrupts enabled ? */ - char rom_samples_rdonly; /* can we write on ROM samples */ - wait_queue_head_t interrupt_sleeper; -} dev; - -static DEFINE_SPINLOCK(lock); -static int detect_wffx(void); -static int wffx_ioctl (wavefront_fx_info *); -static int wffx_init (void); - -static int wavefront_delete_sample (int sampnum); -static int wavefront_find_free_sample (void); - -/* From wf_midi.c */ - -extern int virtual_midi_enable (void); -extern int virtual_midi_disable (void); -extern int detect_wf_mpu (int, int); -extern int install_wf_mpu (void); -extern int uninstall_wf_mpu (void); - -typedef struct { - int cmd; - char *action; - unsigned int read_cnt; - unsigned int write_cnt; - int need_ack; -} wavefront_command; - -static struct { - int errno; - const char *errstr; -} wavefront_errors[] = { - { 0x01, "Bad sample number" }, - { 0x02, "Out of sample memory" }, - { 0x03, "Bad patch number" }, - { 0x04, "Error in number of voices" }, - { 0x06, "Sample load already in progress" }, - { 0x0B, "No sample load request pending" }, - { 0x0E, "Bad MIDI channel number" }, - { 0x10, "Download Record Error" }, - { 0x80, "Success" }, - { 0 } -}; - -#define NEEDS_ACK 1 - -static wavefront_command wavefront_commands[] = { - { WFC_SET_SYNTHVOL, "set synthesizer volume", 0, 1, NEEDS_ACK }, - { WFC_GET_SYNTHVOL, "get synthesizer volume", 1, 0, 0}, - { WFC_SET_NVOICES, "set number of voices", 0, 1, NEEDS_ACK }, - { WFC_GET_NVOICES, "get number of voices", 1, 0, 0 }, - { WFC_SET_TUNING, "set synthesizer tuning", 0, 2, NEEDS_ACK }, - { WFC_GET_TUNING, "get synthesizer tuning", 2, 0, 0 }, - { WFC_DISABLE_CHANNEL, "disable synth channel", 0, 1, NEEDS_ACK }, - { WFC_ENABLE_CHANNEL, "enable synth channel", 0, 1, NEEDS_ACK }, - { WFC_GET_CHANNEL_STATUS, "get synth channel status", 3, 0, 0 }, - { WFC_MISYNTH_OFF, "disable midi-in to synth", 0, 0, NEEDS_ACK }, - { WFC_MISYNTH_ON, "enable midi-in to synth", 0, 0, NEEDS_ACK }, - { WFC_VMIDI_ON, "enable virtual midi mode", 0, 0, NEEDS_ACK }, - { WFC_VMIDI_OFF, "disable virtual midi mode", 0, 0, NEEDS_ACK }, - { WFC_MIDI_STATUS, "report midi status", 1, 0, 0 }, - { WFC_FIRMWARE_VERSION, "report firmware version", 2, 0, 0 }, - { WFC_HARDWARE_VERSION, "report hardware version", 2, 0, 0 }, - { WFC_GET_NSAMPLES, "report number of samples", 2, 0, 0 }, - { WFC_INSTOUT_LEVELS, "report instantaneous output levels", 7, 0, 0 }, - { WFC_PEAKOUT_LEVELS, "report peak output levels", 7, 0, 0 }, - { WFC_DOWNLOAD_SAMPLE, "download sample", - 0, WF_SAMPLE_BYTES, NEEDS_ACK }, - { WFC_DOWNLOAD_BLOCK, "download block", 0, 0, NEEDS_ACK}, - { WFC_DOWNLOAD_SAMPLE_HEADER, "download sample header", - 0, WF_SAMPLE_HDR_BYTES, NEEDS_ACK }, - { WFC_UPLOAD_SAMPLE_HEADER, "upload sample header", 13, 2, 0 }, - - /* This command requires a variable number of bytes to be written. - There is a hack in wavefront_cmd() to support this. The actual - count is passed in as the read buffer ptr, cast appropriately. - Ugh. - */ - - { WFC_DOWNLOAD_MULTISAMPLE, "download multisample", 0, 0, NEEDS_ACK }, - - /* This one is a hack as well. We just read the first byte of the - response, don't fetch an ACK, and leave the rest to the - calling function. Ugly, ugly, ugly. - */ - - { WFC_UPLOAD_MULTISAMPLE, "upload multisample", 2, 1, 0 }, - { WFC_DOWNLOAD_SAMPLE_ALIAS, "download sample alias", - 0, WF_ALIAS_BYTES, NEEDS_ACK }, - { WFC_UPLOAD_SAMPLE_ALIAS, "upload sample alias", WF_ALIAS_BYTES, 2, 0}, - { WFC_DELETE_SAMPLE, "delete sample", 0, 2, NEEDS_ACK }, - { WFC_IDENTIFY_SAMPLE_TYPE, "identify sample type", 5, 2, 0 }, - { WFC_UPLOAD_SAMPLE_PARAMS, "upload sample parameters" }, - { WFC_REPORT_FREE_MEMORY, "report free memory", 4, 0, 0 }, - { WFC_DOWNLOAD_PATCH, "download patch", 0, 134, NEEDS_ACK }, - { WFC_UPLOAD_PATCH, "upload patch", 132, 2, 0 }, - { WFC_DOWNLOAD_PROGRAM, "download program", 0, 33, NEEDS_ACK }, - { WFC_UPLOAD_PROGRAM, "upload program", 32, 1, 0 }, - { WFC_DOWNLOAD_EDRUM_PROGRAM, "download enhanced drum program", 0, 9, - NEEDS_ACK}, - { WFC_UPLOAD_EDRUM_PROGRAM, "upload enhanced drum program", 8, 1, 0}, - { WFC_SET_EDRUM_CHANNEL, "set enhanced drum program channel", - 0, 1, NEEDS_ACK }, - { WFC_DISABLE_DRUM_PROGRAM, "disable drum program", 0, 1, NEEDS_ACK }, - { WFC_REPORT_CHANNEL_PROGRAMS, "report channel program numbers", - 32, 0, 0 }, - { WFC_NOOP, "the no-op command", 0, 0, NEEDS_ACK }, - { 0x00 } -}; - -static const char * -wavefront_errorstr (int errnum) - -{ - int i; - - for (i = 0; wavefront_errors[i].errstr; i++) { - if (wavefront_errors[i].errno == errnum) { - return wavefront_errors[i].errstr; - } - } - - return "Unknown WaveFront error"; -} - -static wavefront_command * -wavefront_get_command (int cmd) - -{ - int i; - - for (i = 0; wavefront_commands[i].cmd != 0; i++) { - if (cmd == wavefront_commands[i].cmd) { - return &wavefront_commands[i]; - } - } - - return (wavefront_command *) 0; -} - -static inline int -wavefront_status (void) - -{ - return inb (dev.status_port); -} - -static int -wavefront_wait (int mask) - -{ - int i; - - for (i = 0; i < wait_polls; i++) - if (wavefront_status() & mask) - return 1; - - for (i = 0; i < sleep_tries; i++) { - - if (wavefront_status() & mask) { - set_current_state(TASK_RUNNING); - return 1; - } - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(sleep_length); - if (signal_pending(current)) - break; - } - - set_current_state(TASK_RUNNING); - return 0; -} - -static int -wavefront_read (void) - -{ - if (wavefront_wait (STAT_CAN_READ)) - return inb (dev.data_port); - - DPRINT (WF_DEBUG_DATA, "read timeout.\n"); - - return -1; -} - -static int -wavefront_write (unsigned char data) - -{ - if (wavefront_wait (STAT_CAN_WRITE)) { - outb (data, dev.data_port); - return 0; - } - - DPRINT (WF_DEBUG_DATA, "write timeout.\n"); - - return -1; -} - -static int -wavefront_cmd (int cmd, unsigned char *rbuf, unsigned char *wbuf) - -{ - int ack; - int i; - int c; - wavefront_command *wfcmd; - - if ((wfcmd = wavefront_get_command (cmd)) == (wavefront_command *) 0) { - printk (KERN_WARNING LOGNAME "command 0x%x not supported.\n", - cmd); - return 1; - } - - /* Hack to handle the one variable-size write command. See - wavefront_send_multisample() for the other half of this - gross and ugly strategy. - */ - - if (cmd == WFC_DOWNLOAD_MULTISAMPLE) { - wfcmd->write_cnt = (unsigned int) rbuf; - rbuf = NULL; - } - - DPRINT (WF_DEBUG_CMD, "0x%x [%s] (%d,%d,%d)\n", - cmd, wfcmd->action, wfcmd->read_cnt, - wfcmd->write_cnt, wfcmd->need_ack); - - if (wavefront_write (cmd)) { - DPRINT ((WF_DEBUG_IO|WF_DEBUG_CMD), "cannot request " - "0x%x [%s].\n", - cmd, wfcmd->action); - return 1; - } - - if (wfcmd->write_cnt > 0) { - DPRINT (WF_DEBUG_DATA, "writing %d bytes " - "for 0x%x\n", - wfcmd->write_cnt, cmd); - - for (i = 0; i < wfcmd->write_cnt; i++) { - if (wavefront_write (wbuf[i])) { - DPRINT (WF_DEBUG_IO, "bad write for byte " - "%d of 0x%x [%s].\n", - i, cmd, wfcmd->action); - return 1; - } - - DPRINT (WF_DEBUG_DATA, "write[%d] = 0x%x\n", - i, wbuf[i]); - } - } - - if (wfcmd->read_cnt > 0) { - DPRINT (WF_DEBUG_DATA, "reading %d ints " - "for 0x%x\n", - wfcmd->read_cnt, cmd); - - for (i = 0; i < wfcmd->read_cnt; i++) { - - if ((c = wavefront_read()) == -1) { - DPRINT (WF_DEBUG_IO, "bad read for byte " - "%d of 0x%x [%s].\n", - i, cmd, wfcmd->action); - return 1; - } - - /* Now handle errors. Lots of special cases here */ - - if (c == 0xff) { - if ((c = wavefront_read ()) == -1) { - DPRINT (WF_DEBUG_IO, "bad read for " - "error byte at " - "read byte %d " - "of 0x%x [%s].\n", - i, cmd, - wfcmd->action); - return 1; - } - - /* Can you believe this madness ? */ - - if (c == 1 && - wfcmd->cmd == WFC_IDENTIFY_SAMPLE_TYPE) { - rbuf[0] = WF_ST_EMPTY; - return (0); - - } else if (c == 3 && - wfcmd->cmd == WFC_UPLOAD_PATCH) { - - return 3; - - } else if (c == 1 && - wfcmd->cmd == WFC_UPLOAD_PROGRAM) { - - return 1; - - } else { - - DPRINT (WF_DEBUG_IO, "error %d (%s) " - "during " - "read for byte " - "%d of 0x%x " - "[%s].\n", - c, - wavefront_errorstr (c), - i, cmd, - wfcmd->action); - return 1; - - } - - } else { - rbuf[i] = c; - } - - DPRINT (WF_DEBUG_DATA, "read[%d] = 0x%x\n",i, rbuf[i]); - } - } - - if ((wfcmd->read_cnt == 0 && wfcmd->write_cnt == 0) || wfcmd->need_ack) { - - DPRINT (WF_DEBUG_CMD, "reading ACK for 0x%x\n", cmd); - - /* Some commands need an ACK, but return zero instead - of the standard value. - */ - - if ((ack = wavefront_read()) == 0) { - ack = WF_ACK; - } - - if (ack != WF_ACK) { - if (ack == -1) { - DPRINT (WF_DEBUG_IO, "cannot read ack for " - "0x%x [%s].\n", - cmd, wfcmd->action); - return 1; - - } else { - int err = -1; /* something unknown */ - - if (ack == 0xff) { /* explicit error */ - - if ((err = wavefront_read ()) == -1) { - DPRINT (WF_DEBUG_DATA, - "cannot read err " - "for 0x%x [%s].\n", - cmd, wfcmd->action); - } - } - - DPRINT (WF_DEBUG_IO, "0x%x [%s] " - "failed (0x%x, 0x%x, %s)\n", - cmd, wfcmd->action, ack, err, - wavefront_errorstr (err)); - - return -err; - } - } - - DPRINT (WF_DEBUG_DATA, "ack received " - "for 0x%x [%s]\n", - cmd, wfcmd->action); - } else { - - DPRINT (WF_DEBUG_CMD, "0x%x [%s] does not need " - "ACK (%d,%d,%d)\n", - cmd, wfcmd->action, wfcmd->read_cnt, - wfcmd->write_cnt, wfcmd->need_ack); - } - - return 0; - -} - -/*********************************************************************** -WaveFront: data munging - -Things here are weird. All data written to the board cannot -have its most significant bit set. Any data item with values -potentially > 0x7F (127) must be split across multiple bytes. - -Sometimes, we need to munge numeric values that are represented on -the x86 side as 8-32 bit values. Sometimes, we need to munge data -that is represented on the x86 side as an array of bytes. The most -efficient approach to handling both cases seems to be to use 2 -different functions for munging and 2 for de-munging. This avoids -weird casting and worrying about bit-level offsets. - -**********************************************************************/ - -static -unsigned char * -munge_int32 (unsigned int src, - unsigned char *dst, - unsigned int dst_size) -{ - int i; - - for (i = 0;i < dst_size; i++) { - *dst = src & 0x7F; /* Mask high bit of LSB */ - src = src >> 7; /* Rotate Right 7 bits */ - /* Note: we leave the upper bits in place */ - - dst++; - }; - return dst; -}; - -static int -demunge_int32 (unsigned char* src, int src_size) - -{ - int i; - int outval = 0; - - for (i = src_size - 1; i >= 0; i--) { - outval=(outval<<7)+src[i]; - } - - return outval; -}; - -static -unsigned char * -munge_buf (unsigned char *src, unsigned char *dst, unsigned int dst_size) - -{ - int i; - unsigned int last = dst_size / 2; - - for (i = 0; i < last; i++) { - *dst++ = src[i] & 0x7f; - *dst++ = src[i] >> 7; - } - return dst; -} - -static -unsigned char * -demunge_buf (unsigned char *src, unsigned char *dst, unsigned int src_bytes) - -{ - int i; - unsigned char *end = src + src_bytes; - - end = src + src_bytes; - - /* NOTE: src and dst *CAN* point to the same address */ - - for (i = 0; src != end; i++) { - dst[i] = *src++; - dst[i] |= (*src++)<<7; - } - - return dst; -} - -/*********************************************************************** -WaveFront: sample, patch and program management. -***********************************************************************/ - -static int -wavefront_delete_sample (int sample_num) - -{ - unsigned char wbuf[2]; - int x; - - wbuf[0] = sample_num & 0x7f; - wbuf[1] = sample_num >> 7; - - if ((x = wavefront_cmd (WFC_DELETE_SAMPLE, NULL, wbuf)) == 0) { - dev.sample_status[sample_num] = WF_ST_EMPTY; - } - - return x; -} - -static int -wavefront_get_sample_status (int assume_rom) - -{ - int i; - unsigned char rbuf[32], wbuf[32]; - unsigned int sc_real, sc_alias, sc_multi; - - /* check sample status */ - - if (wavefront_cmd (WFC_GET_NSAMPLES, rbuf, wbuf)) { - printk (KERN_WARNING LOGNAME "cannot request sample count.\n"); - return -1; - } - - sc_real = sc_alias = sc_multi = dev.samples_used = 0; - - for (i = 0; i < WF_MAX_SAMPLE; i++) { - - wbuf[0] = i & 0x7f; - wbuf[1] = i >> 7; - - if (wavefront_cmd (WFC_IDENTIFY_SAMPLE_TYPE, rbuf, wbuf)) { - printk (KERN_WARNING LOGNAME - "cannot identify sample " - "type of slot %d\n", i); - dev.sample_status[i] = WF_ST_EMPTY; - continue; - } - - dev.sample_status[i] = (WF_SLOT_FILLED|rbuf[0]); - - if (assume_rom) { - dev.sample_status[i] |= WF_SLOT_ROM; - } - - switch (rbuf[0] & WF_ST_MASK) { - case WF_ST_SAMPLE: - sc_real++; - break; - case WF_ST_MULTISAMPLE: - sc_multi++; - break; - case WF_ST_ALIAS: - sc_alias++; - break; - case WF_ST_EMPTY: - break; - - default: - printk (KERN_WARNING LOGNAME "unknown sample type for " - "slot %d (0x%x)\n", - i, rbuf[0]); - } - - if (rbuf[0] != WF_ST_EMPTY) { - dev.samples_used++; - } - } - - printk (KERN_INFO LOGNAME - "%d samples used (%d real, %d aliases, %d multi), " - "%d empty\n", dev.samples_used, sc_real, sc_alias, sc_multi, - WF_MAX_SAMPLE - dev.samples_used); - - - return (0); - -} - -static int -wavefront_get_patch_status (void) - -{ - unsigned char patchbuf[WF_PATCH_BYTES]; - unsigned char patchnum[2]; - wavefront_patch *p; - int i, x, cnt, cnt2; - - for (i = 0; i < WF_MAX_PATCH; i++) { - patchnum[0] = i & 0x7f; - patchnum[1] = i >> 7; - - if ((x = wavefront_cmd (WFC_UPLOAD_PATCH, patchbuf, - patchnum)) == 0) { - - dev.patch_status[i] |= WF_SLOT_FILLED; - p = (wavefront_patch *) patchbuf; - dev.sample_status - [p->sample_number|(p->sample_msb<<7)] |= - WF_SLOT_USED; - - } else if (x == 3) { /* Bad patch number */ - dev.patch_status[i] = 0; - } else { - printk (KERN_ERR LOGNAME "upload patch " - "error 0x%x\n", x); - dev.patch_status[i] = 0; - return 1; - } - } - - /* program status has already filled in slot_used bits */ - - for (i = 0, cnt = 0, cnt2 = 0; i < WF_MAX_PATCH; i++) { - if (dev.patch_status[i] & WF_SLOT_FILLED) { - cnt++; - } - if (dev.patch_status[i] & WF_SLOT_USED) { - cnt2++; - } - - } - printk (KERN_INFO LOGNAME - "%d patch slots filled, %d in use\n", cnt, cnt2); - - return (0); -} - -static int -wavefront_get_program_status (void) - -{ - unsigned char progbuf[WF_PROGRAM_BYTES]; - wavefront_program prog; - unsigned char prognum; - int i, x, l, cnt; - - for (i = 0; i < WF_MAX_PROGRAM; i++) { - prognum = i; - - if ((x = wavefront_cmd (WFC_UPLOAD_PROGRAM, progbuf, - &prognum)) == 0) { - - dev.prog_status[i] |= WF_SLOT_USED; - - demunge_buf (progbuf, (unsigned char *) &prog, - WF_PROGRAM_BYTES); - - for (l = 0; l < WF_NUM_LAYERS; l++) { - if (prog.layer[l].mute) { - dev.patch_status - [prog.layer[l].patch_number] |= - WF_SLOT_USED; - } - } - } else if (x == 1) { /* Bad program number */ - dev.prog_status[i] = 0; - } else { - printk (KERN_ERR LOGNAME "upload program " - "error 0x%x\n", x); - dev.prog_status[i] = 0; - } - } - - for (i = 0, cnt = 0; i < WF_MAX_PROGRAM; i++) { - if (dev.prog_status[i]) { - cnt++; - } - } - - printk (KERN_INFO LOGNAME "%d programs slots in use\n", cnt); - - return (0); -} - -static int -wavefront_send_patch (wavefront_patch_info *header) - -{ - unsigned char buf[WF_PATCH_BYTES+2]; - unsigned char *bptr; - - DPRINT (WF_DEBUG_LOAD_PATCH, "downloading patch %d\n", - header->number); - - dev.patch_status[header->number] |= WF_SLOT_FILLED; - - bptr = buf; - bptr = munge_int32 (header->number, buf, 2); - munge_buf ((unsigned char *)&header->hdr.p, bptr, WF_PATCH_BYTES); - - if (wavefront_cmd (WFC_DOWNLOAD_PATCH, NULL, buf)) { - printk (KERN_ERR LOGNAME "download patch failed\n"); - return -(EIO); - } - - return (0); -} - -static int -wavefront_send_program (wavefront_patch_info *header) - -{ - unsigned char buf[WF_PROGRAM_BYTES+1]; - int i; - - DPRINT (WF_DEBUG_LOAD_PATCH, "downloading program %d\n", - header->number); - - dev.prog_status[header->number] = WF_SLOT_USED; - - /* XXX need to zero existing SLOT_USED bit for program_status[i] - where `i' is the program that's being (potentially) overwritten. - */ - - for (i = 0; i < WF_NUM_LAYERS; i++) { - if (header->hdr.pr.layer[i].mute) { - dev.patch_status[header->hdr.pr.layer[i].patch_number] |= - WF_SLOT_USED; - - /* XXX need to mark SLOT_USED for sample used by - patch_number, but this means we have to load it. Ick. - */ - } - } - - buf[0] = header->number; - munge_buf ((unsigned char *)&header->hdr.pr, &buf[1], WF_PROGRAM_BYTES); - - if (wavefront_cmd (WFC_DOWNLOAD_PROGRAM, NULL, buf)) { - printk (KERN_WARNING LOGNAME "download patch failed\n"); - return -(EIO); - } - - return (0); -} - -static int -wavefront_freemem (void) - -{ - char rbuf[8]; - - if (wavefront_cmd (WFC_REPORT_FREE_MEMORY, rbuf, NULL)) { - printk (KERN_WARNING LOGNAME "can't get memory stats.\n"); - return -1; - } else { - return demunge_int32 (rbuf, 4); - } -} - -static int -wavefront_send_sample (wavefront_patch_info *header, - UINT16 __user *dataptr, - int data_is_unsigned) - -{ - /* samples are downloaded via a 16-bit wide i/o port - (you could think of it as 2 adjacent 8-bit wide ports - but its less efficient that way). therefore, all - the blocksizes and so forth listed in the documentation, - and used conventionally to refer to sample sizes, - which are given in 8-bit units (bytes), need to be - divided by 2. - */ - - UINT16 sample_short; - UINT32 length; - UINT16 __user *data_end = NULL; - unsigned int i; - const int max_blksize = 4096/2; - unsigned int written; - unsigned int blocksize; - int dma_ack; - int blocknum; - unsigned char sample_hdr[WF_SAMPLE_HDR_BYTES]; - unsigned char *shptr; - int skip = 0; - int initial_skip = 0; - - DPRINT (WF_DEBUG_LOAD_PATCH, "sample %sdownload for slot %d, " - "type %d, %d bytes from %p\n", - header->size ? "" : "header ", - header->number, header->subkey, - header->size, - header->dataptr); - - if (header->number == WAVEFRONT_FIND_FREE_SAMPLE_SLOT) { - int x; - - if ((x = wavefront_find_free_sample ()) < 0) { - return -ENOMEM; - } - printk (KERN_DEBUG LOGNAME "unspecified sample => %d\n", x); - header->number = x; - } - - if (header->size) { - - /* XXX it's a debatable point whether or not RDONLY semantics - on the ROM samples should cover just the sample data or - the sample header. For now, it only covers the sample data, - so anyone is free at all times to rewrite sample headers. - - My reason for this is that we have the sample headers - available in the WFB file for General MIDI, and so these - can always be reset if needed. The sample data, however, - cannot be recovered without a complete reset and firmware - reload of the ICS2115, which is a very expensive operation. - - So, doing things this way allows us to honor the notion of - "RESETSAMPLES" reasonably cheaply. Note however, that this - is done purely at user level: there is no WFB parser in - this driver, and so a complete reset (back to General MIDI, - or theoretically some other configuration) is the - responsibility of the user level library. - - To try to do this in the kernel would be a little - crazy: we'd need 158K of kernel space just to hold - a copy of the patch/program/sample header data. - */ - - if (dev.rom_samples_rdonly) { - if (dev.sample_status[header->number] & WF_SLOT_ROM) { - printk (KERN_ERR LOGNAME "sample slot %d " - "write protected\n", - header->number); - return -EACCES; - } - } - - wavefront_delete_sample (header->number); - } - - if (header->size) { - dev.freemem = wavefront_freemem (); - - if (dev.freemem < header->size) { - printk (KERN_ERR LOGNAME - "insufficient memory to " - "load %d byte sample.\n", - header->size); - return -ENOMEM; - } - - } - - skip = WF_GET_CHANNEL(&header->hdr.s); - - if (skip > 0 && header->hdr.s.SampleResolution != LINEAR_16BIT) { - printk (KERN_ERR LOGNAME "channel selection only " - "possible on 16-bit samples"); - return -(EINVAL); - } - - switch (skip) { - case 0: - initial_skip = 0; - skip = 1; - break; - case 1: - initial_skip = 0; - skip = 2; - break; - case 2: - initial_skip = 1; - skip = 2; - break; - case 3: - initial_skip = 2; - skip = 3; - break; - case 4: - initial_skip = 3; - skip = 4; - break; - case 5: - initial_skip = 4; - skip = 5; - break; - case 6: - initial_skip = 5; - skip = 6; - break; - } - - DPRINT (WF_DEBUG_LOAD_PATCH, "channel selection: %d => " - "initial skip = %d, skip = %d\n", - WF_GET_CHANNEL (&header->hdr.s), - initial_skip, skip); - - /* Be safe, and zero the "Unused" bits ... */ - - WF_SET_CHANNEL(&header->hdr.s, 0); - - /* adjust size for 16 bit samples by dividing by two. We always - send 16 bits per write, even for 8 bit samples, so the length - is always half the size of the sample data in bytes. - */ - - length = header->size / 2; - - /* the data we're sent has not been munged, and in fact, the - header we have to send isn't just a munged copy either. - so, build the sample header right here. - */ - - shptr = &sample_hdr[0]; - - shptr = munge_int32 (header->number, shptr, 2); - - if (header->size) { - shptr = munge_int32 (length, shptr, 4); - } - - /* Yes, a 4 byte result doesn't contain all of the offset bits, - but the offset only uses 24 bits. - */ - - shptr = munge_int32 (*((UINT32 *) &header->hdr.s.sampleStartOffset), - shptr, 4); - shptr = munge_int32 (*((UINT32 *) &header->hdr.s.loopStartOffset), - shptr, 4); - shptr = munge_int32 (*((UINT32 *) &header->hdr.s.loopEndOffset), - shptr, 4); - shptr = munge_int32 (*((UINT32 *) &header->hdr.s.sampleEndOffset), - shptr, 4); - - /* This one is truly weird. What kind of weirdo decided that in - a system dominated by 16 and 32 bit integers, they would use - a just 12 bits ? - */ - - shptr = munge_int32 (header->hdr.s.FrequencyBias, shptr, 3); - - /* Why is this nybblified, when the MSB is *always* zero ? - Anyway, we can't take address of bitfield, so make a - good-faith guess at where it starts. - */ - - shptr = munge_int32 (*(&header->hdr.s.FrequencyBias+1), - shptr, 2); - - if (wavefront_cmd (header->size ? - WFC_DOWNLOAD_SAMPLE : WFC_DOWNLOAD_SAMPLE_HEADER, - NULL, sample_hdr)) { - printk (KERN_WARNING LOGNAME "sample %sdownload refused.\n", - header->size ? "" : "header "); - return -(EIO); - } - - if (header->size == 0) { - goto sent; /* Sorry. Just had to have one somewhere */ - } - - data_end = dataptr + length; - - /* Do any initial skip over an unused channel's data */ - - dataptr += initial_skip; - - for (written = 0, blocknum = 0; - written < length; written += max_blksize, blocknum++) { - - if ((length - written) > max_blksize) { - blocksize = max_blksize; - } else { - /* round to nearest 16-byte value */ - blocksize = ((length-written+7)&~0x7); - } - - if (wavefront_cmd (WFC_DOWNLOAD_BLOCK, NULL, NULL)) { - printk (KERN_WARNING LOGNAME "download block " - "request refused.\n"); - return -(EIO); - } - - for (i = 0; i < blocksize; i++) { - - if (dataptr < data_end) { - - __get_user (sample_short, dataptr); - dataptr += skip; - - if (data_is_unsigned) { /* GUS ? */ - - if (WF_SAMPLE_IS_8BIT(&header->hdr.s)) { - - /* 8 bit sample - resolution, sign - extend both bytes. - */ - - ((unsigned char*) - &sample_short)[0] += 0x7f; - ((unsigned char*) - &sample_short)[1] += 0x7f; - - } else { - - /* 16 bit sample - resolution, sign - extend the MSB. - */ - - sample_short += 0x7fff; - } - } - - } else { - - /* In padding section of final block: - - Don't fetch unsupplied data from - user space, just continue with - whatever the final value was. - */ - } - - if (i < blocksize - 1) { - outw (sample_short, dev.block_port); - } else { - outw (sample_short, dev.last_block_port); - } - } - - /* Get "DMA page acknowledge", even though its really - nothing to do with DMA at all. - */ - - if ((dma_ack = wavefront_read ()) != WF_DMA_ACK) { - if (dma_ack == -1) { - printk (KERN_ERR LOGNAME "upload sample " - "DMA ack timeout\n"); - return -(EIO); - } else { - printk (KERN_ERR LOGNAME "upload sample " - "DMA ack error 0x%x\n", - dma_ack); - return -(EIO); - } - } - } - - dev.sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_SAMPLE); - - /* Note, label is here because sending the sample header shouldn't - alter the sample_status info at all. - */ - - sent: - return (0); -} - -static int -wavefront_send_alias (wavefront_patch_info *header) - -{ - unsigned char alias_hdr[WF_ALIAS_BYTES]; - - DPRINT (WF_DEBUG_LOAD_PATCH, "download alias, %d is " - "alias for %d\n", - header->number, - header->hdr.a.OriginalSample); - - munge_int32 (header->number, &alias_hdr[0], 2); - munge_int32 (header->hdr.a.OriginalSample, &alias_hdr[2], 2); - munge_int32 (*((unsigned int *)&header->hdr.a.sampleStartOffset), - &alias_hdr[4], 4); - munge_int32 (*((unsigned int *)&header->hdr.a.loopStartOffset), - &alias_hdr[8], 4); - munge_int32 (*((unsigned int *)&header->hdr.a.loopEndOffset), - &alias_hdr[12], 4); - munge_int32 (*((unsigned int *)&header->hdr.a.sampleEndOffset), - &alias_hdr[16], 4); - munge_int32 (header->hdr.a.FrequencyBias, &alias_hdr[20], 3); - munge_int32 (*(&header->hdr.a.FrequencyBias+1), &alias_hdr[23], 2); - - if (wavefront_cmd (WFC_DOWNLOAD_SAMPLE_ALIAS, NULL, alias_hdr)) { - printk (KERN_ERR LOGNAME "download alias failed.\n"); - return -(EIO); - } - - dev.sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_ALIAS); - - return (0); -} - -static int -wavefront_send_multisample (wavefront_patch_info *header) -{ - int i; - int num_samples; - unsigned char msample_hdr[WF_MSAMPLE_BYTES]; - - munge_int32 (header->number, &msample_hdr[0], 2); - - /* You'll recall at this point that the "number of samples" value - in a wavefront_multisample struct is actually the log2 of the - real number of samples. - */ - - num_samples = (1<<(header->hdr.ms.NumberOfSamples&7)); - msample_hdr[2] = (unsigned char) header->hdr.ms.NumberOfSamples; - - DPRINT (WF_DEBUG_LOAD_PATCH, "multi %d with %d=%d samples\n", - header->number, - header->hdr.ms.NumberOfSamples, - num_samples); - - for (i = 0; i < num_samples; i++) { - DPRINT(WF_DEBUG_LOAD_PATCH|WF_DEBUG_DATA, "sample[%d] = %d\n", - i, header->hdr.ms.SampleNumber[i]); - munge_int32 (header->hdr.ms.SampleNumber[i], - &msample_hdr[3+(i*2)], 2); - } - - /* Need a hack here to pass in the number of bytes - to be written to the synth. This is ugly, and perhaps - one day, I'll fix it. - */ - - if (wavefront_cmd (WFC_DOWNLOAD_MULTISAMPLE, - (unsigned char *) ((num_samples*2)+3), - msample_hdr)) { - printk (KERN_ERR LOGNAME "download of multisample failed.\n"); - return -(EIO); - } - - dev.sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_MULTISAMPLE); - - return (0); -} - -static int -wavefront_fetch_multisample (wavefront_patch_info *header) -{ - int i; - unsigned char log_ns[1]; - unsigned char number[2]; - int num_samples; - - munge_int32 (header->number, number, 2); - - if (wavefront_cmd (WFC_UPLOAD_MULTISAMPLE, log_ns, number)) { - printk (KERN_ERR LOGNAME "upload multisample failed.\n"); - return -(EIO); - } - - DPRINT (WF_DEBUG_DATA, "msample %d has %d samples\n", - header->number, log_ns[0]); - - header->hdr.ms.NumberOfSamples = log_ns[0]; - - /* get the number of samples ... */ - - num_samples = (1 << log_ns[0]); - - for (i = 0; i < num_samples; i++) { - s8 d[2]; - - if ((d[0] = wavefront_read ()) == -1) { - printk (KERN_ERR LOGNAME "upload multisample failed " - "during sample loop.\n"); - return -(EIO); - } - - if ((d[1] = wavefront_read ()) == -1) { - printk (KERN_ERR LOGNAME "upload multisample failed " - "during sample loop.\n"); - return -(EIO); - } - - header->hdr.ms.SampleNumber[i] = - demunge_int32 ((unsigned char *) d, 2); - - DPRINT (WF_DEBUG_DATA, "msample sample[%d] = %d\n", - i, header->hdr.ms.SampleNumber[i]); - } - - return (0); -} - - -static int -wavefront_send_drum (wavefront_patch_info *header) - -{ - unsigned char drumbuf[WF_DRUM_BYTES]; - wavefront_drum *drum = &header->hdr.d; - int i; - - DPRINT (WF_DEBUG_LOAD_PATCH, "downloading edrum for MIDI " - "note %d, patch = %d\n", - header->number, drum->PatchNumber); - - drumbuf[0] = header->number & 0x7f; - - for (i = 0; i < 4; i++) { - munge_int32 (((unsigned char *)drum)[i], &drumbuf[1+(i*2)], 2); - } - - if (wavefront_cmd (WFC_DOWNLOAD_EDRUM_PROGRAM, NULL, drumbuf)) { - printk (KERN_ERR LOGNAME "download drum failed.\n"); - return -(EIO); - } - - return (0); -} - -static int -wavefront_find_free_sample (void) - -{ - int i; - - for (i = 0; i < WF_MAX_SAMPLE; i++) { - if (!(dev.sample_status[i] & WF_SLOT_FILLED)) { - return i; - } - } - printk (KERN_WARNING LOGNAME "no free sample slots!\n"); - return -1; -} - -static int -wavefront_find_free_patch (void) - -{ - int i; - - for (i = 0; i < WF_MAX_PATCH; i++) { - if (!(dev.patch_status[i] & WF_SLOT_FILLED)) { - return i; - } - } - printk (KERN_WARNING LOGNAME "no free patch slots!\n"); - return -1; -} - -static int -log2_2048(int n) - -{ - int tbl[]={0, 0, 2048, 3246, 4096, 4755, 5294, 5749, 6143, - 6492, 6803, 7084, 7342, 7578, 7797, 8001, 8192, - 8371, 8540, 8699, 8851, 8995, 9132, 9264, 9390, - 9510, 9626, 9738, 9845, 9949, 10049, 10146}; - int i; - - /* Returns 2048*log2(n) */ - - /* FIXME: this is like doing integer math - on quantum particles (RuN) */ - - i=0; - while(n>=32*256) { - n>>=8; - i+=2048*8; - } - while(n>=32) { - n>>=1; - i+=2048; - } - i+=tbl[n]; - return(i); -} - -static int -wavefront_load_gus_patch (int devno, int format, const char __user *addr, - int offs, int count, int pmgr_flag) -{ - struct patch_info guspatch; - wavefront_patch_info *samp, *pat, *prog; - wavefront_patch *patp; - wavefront_sample *sampp; - wavefront_program *progp; - - int i,base_note; - long sizeof_patch; - int rc = -ENOMEM; - - samp = kmalloc(3 * sizeof(wavefront_patch_info), GFP_KERNEL); - if (!samp) - goto free_fail; - pat = samp + 1; - prog = pat + 1; - - /* Copy in the header of the GUS patch */ - - sizeof_patch = (long) &guspatch.data[0] - (long) &guspatch; - if (copy_from_user(&((char *) &guspatch)[offs], - &(addr)[offs], sizeof_patch - offs)) { - rc = -EFAULT; - goto free_fail; - } - - if ((i = wavefront_find_free_patch ()) == -1) { - rc = -EBUSY; - goto free_fail; - } - pat->number = i; - pat->subkey = WF_ST_PATCH; - patp = &pat->hdr.p; - - if ((i = wavefront_find_free_sample ()) == -1) { - rc = -EBUSY; - goto free_fail; - } - samp->number = i; - samp->subkey = WF_ST_SAMPLE; - samp->size = guspatch.len; - sampp = &samp->hdr.s; - - prog->number = guspatch.instr_no; - progp = &prog->hdr.pr; - - /* Setup the patch structure */ - - patp->amplitude_bias=guspatch.volume; - patp->portamento=0; - patp->sample_number= samp->number & 0xff; - patp->sample_msb= samp->number >> 8; - patp->pitch_bend= /*12*/ 0; - patp->mono=1; - patp->retrigger=1; - patp->nohold=(guspatch.mode & WAVE_SUSTAIN_ON) ? 0:1; - patp->frequency_bias=0; - patp->restart=0; - patp->reuse=0; - patp->reset_lfo=1; - patp->fm_src2=0; - patp->fm_src1=WF_MOD_MOD_WHEEL; - patp->am_src=WF_MOD_PRESSURE; - patp->am_amount=127; - patp->fc1_mod_amount=0; - patp->fc2_mod_amount=0; - patp->fm_amount1=0; - patp->fm_amount2=0; - patp->envelope1.attack_level=127; - patp->envelope1.decay1_level=127; - patp->envelope1.decay2_level=127; - patp->envelope1.sustain_level=127; - patp->envelope1.release_level=0; - patp->envelope2.attack_velocity=127; - patp->envelope2.attack_level=127; - patp->envelope2.decay1_level=127; - patp->envelope2.decay2_level=127; - patp->envelope2.sustain_level=127; - patp->envelope2.release_level=0; - patp->envelope2.attack_velocity=127; - patp->randomizer=0; - - /* Program for this patch */ - - progp->layer[0].patch_number= pat->number; /* XXX is this right ? */ - progp->layer[0].mute=1; - progp->layer[0].pan_or_mod=1; - progp->layer[0].pan=7; - progp->layer[0].mix_level=127 /* guspatch.volume */; - progp->layer[0].split_type=0; - progp->layer[0].split_point=0; - progp->layer[0].play_below=0; - - for (i = 1; i < 4; i++) { - progp->layer[i].mute=0; - } - - /* Sample data */ - - sampp->SampleResolution=((~guspatch.mode & WAVE_16_BITS)<<1); - - for (base_note=0; - note_to_freq (base_note) < guspatch.base_note; - base_note++); - - if ((guspatch.base_note-note_to_freq(base_note)) - >(note_to_freq(base_note)-guspatch.base_note)) - base_note++; - - printk(KERN_DEBUG "ref freq=%d,base note=%d\n", - guspatch.base_freq, - base_note); - - sampp->FrequencyBias = (29550 - log2_2048(guspatch.base_freq) - + base_note*171); - printk(KERN_DEBUG "Freq Bias is %d\n", sampp->FrequencyBias); - sampp->Loop=(guspatch.mode & WAVE_LOOPING) ? 1:0; - sampp->sampleStartOffset.Fraction=0; - sampp->sampleStartOffset.Integer=0; - sampp->loopStartOffset.Fraction=0; - sampp->loopStartOffset.Integer=guspatch.loop_start - >>((guspatch.mode&WAVE_16_BITS) ? 1:0); - sampp->loopEndOffset.Fraction=0; - sampp->loopEndOffset.Integer=guspatch.loop_end - >>((guspatch.mode&WAVE_16_BITS) ? 1:0); - sampp->sampleEndOffset.Fraction=0; - sampp->sampleEndOffset.Integer=guspatch.len >> (guspatch.mode&1); - sampp->Bidirectional=(guspatch.mode&WAVE_BIDIR_LOOP) ? 1:0; - sampp->Reverse=(guspatch.mode&WAVE_LOOP_BACK) ? 1:0; - - /* Now ship it down */ - - wavefront_send_sample (samp, - (unsigned short __user *) &(addr)[sizeof_patch], - (guspatch.mode & WAVE_UNSIGNED) ? 1:0); - wavefront_send_patch (pat); - wavefront_send_program (prog); - - /* Now pan as best we can ... use the slave/internal MIDI device - number if it exists (since it talks to the WaveFront), or the - master otherwise. - */ - - if (dev.mididev > 0) { - midi_synth_controller (dev.mididev, guspatch.instr_no, 10, - ((guspatch.panning << 4) > 127) ? - 127 : (guspatch.panning << 4)); - } - rc = 0; - -free_fail: - kfree(samp); - return rc; -} - -static int -wavefront_load_patch (const char __user *addr) - - -{ - wavefront_patch_info header; - - if (copy_from_user (&header, addr, sizeof(wavefront_patch_info) - - sizeof(wavefront_any))) { - printk (KERN_WARNING LOGNAME "bad address for load patch.\n"); - return -EFAULT; - } - - DPRINT (WF_DEBUG_LOAD_PATCH, "download " - "Sample type: %d " - "Sample number: %d " - "Sample size: %d\n", - header.subkey, - header.number, - header.size); - - switch (header.subkey) { - case WF_ST_SAMPLE: /* sample or sample_header, based on patch->size */ - - if (copy_from_user((unsigned char *) &header.hdr.s, - (unsigned char __user *) header.hdrptr, - sizeof (wavefront_sample))) - return -EFAULT; - - return wavefront_send_sample (&header, header.dataptr, 0); - - case WF_ST_MULTISAMPLE: - - if (copy_from_user(&header.hdr.s, header.hdrptr, - sizeof(wavefront_multisample))) - return -EFAULT; - - return wavefront_send_multisample (&header); - - - case WF_ST_ALIAS: - - if (copy_from_user(&header.hdr.a, header.hdrptr, - sizeof (wavefront_alias))) - return -EFAULT; - - return wavefront_send_alias (&header); - - case WF_ST_DRUM: - if (copy_from_user(&header.hdr.d, header.hdrptr, - sizeof (wavefront_drum))) - return -EFAULT; - - return wavefront_send_drum (&header); - - case WF_ST_PATCH: - if (copy_from_user(&header.hdr.p, header.hdrptr, - sizeof (wavefront_patch))) - return -EFAULT; - - return wavefront_send_patch (&header); - - case WF_ST_PROGRAM: - if (copy_from_user(&header.hdr.pr, header.hdrptr, - sizeof (wavefront_program))) - return -EFAULT; - - return wavefront_send_program (&header); - - default: - printk (KERN_ERR LOGNAME "unknown patch type %d.\n", - header.subkey); - return -(EINVAL); - } - - return 0; -} - -/*********************************************************************** -WaveFront: /dev/sequencer{,2} and other hardware-dependent interfaces -***********************************************************************/ - -static void -process_sample_hdr (UCHAR8 *buf) - -{ - wavefront_sample s; - UCHAR8 *ptr; - - ptr = buf; - - /* The board doesn't send us an exact copy of a "wavefront_sample" - in response to an Upload Sample Header command. Instead, we - have to convert the data format back into our data structure, - just as in the Download Sample command, where we have to do - something very similar in the reverse direction. - */ - - *((UINT32 *) &s.sampleStartOffset) = demunge_int32 (ptr, 4); ptr += 4; - *((UINT32 *) &s.loopStartOffset) = demunge_int32 (ptr, 4); ptr += 4; - *((UINT32 *) &s.loopEndOffset) = demunge_int32 (ptr, 4); ptr += 4; - *((UINT32 *) &s.sampleEndOffset) = demunge_int32 (ptr, 4); ptr += 4; - *((UINT32 *) &s.FrequencyBias) = demunge_int32 (ptr, 3); ptr += 3; - - s.SampleResolution = *ptr & 0x3; - s.Loop = *ptr & 0x8; - s.Bidirectional = *ptr & 0x10; - s.Reverse = *ptr & 0x40; - - /* Now copy it back to where it came from */ - - memcpy (buf, (unsigned char *) &s, sizeof (wavefront_sample)); -} - -static int -wavefront_synth_control (int cmd, wavefront_control *wc) - -{ - unsigned char patchnumbuf[2]; - int i; - - DPRINT (WF_DEBUG_CMD, "synth control with " - "cmd 0x%x\n", wc->cmd); - - /* Pre-handling of or for various commands */ - - switch (wc->cmd) { - case WFC_DISABLE_INTERRUPTS: - printk (KERN_INFO LOGNAME "interrupts disabled.\n"); - outb (0x80|0x20, dev.control_port); - dev.interrupts_on = 0; - return 0; - - case WFC_ENABLE_INTERRUPTS: - printk (KERN_INFO LOGNAME "interrupts enabled.\n"); - outb (0x80|0x40|0x20, dev.control_port); - dev.interrupts_on = 1; - return 0; - - case WFC_INTERRUPT_STATUS: - wc->rbuf[0] = dev.interrupts_on; - return 0; - - case WFC_ROMSAMPLES_RDONLY: - dev.rom_samples_rdonly = wc->wbuf[0]; - wc->status = 0; - return 0; - - case WFC_IDENTIFY_SLOT_TYPE: - i = wc->wbuf[0] | (wc->wbuf[1] << 7); - if (i <0 || i >= WF_MAX_SAMPLE) { - printk (KERN_WARNING LOGNAME "invalid slot ID %d\n", - i); - wc->status = EINVAL; - return 0; - } - wc->rbuf[0] = dev.sample_status[i]; - wc->status = 0; - return 0; - - case WFC_DEBUG_DRIVER: - dev.debug = wc->wbuf[0]; - printk (KERN_INFO LOGNAME "debug = 0x%x\n", dev.debug); - return 0; - - case WFC_FX_IOCTL: - wffx_ioctl ((wavefront_fx_info *) &wc->wbuf[0]); - return 0; - - case WFC_UPLOAD_PATCH: - munge_int32 (*((UINT32 *) wc->wbuf), patchnumbuf, 2); - memcpy (wc->wbuf, patchnumbuf, 2); - break; - - case WFC_UPLOAD_MULTISAMPLE: - /* multisamples have to be handled differently, and - cannot be dealt with properly by wavefront_cmd() alone. - */ - wc->status = wavefront_fetch_multisample - ((wavefront_patch_info *) wc->rbuf); - return 0; - - case WFC_UPLOAD_SAMPLE_ALIAS: - printk (KERN_INFO LOGNAME "support for sample alias upload " - "being considered.\n"); - wc->status = EINVAL; - return -EINVAL; - } - - wc->status = wavefront_cmd (wc->cmd, wc->rbuf, wc->wbuf); - - /* Post-handling of certain commands. - - In particular, if the command was an upload, demunge the data - so that the user-level doesn't have to think about it. - */ - - if (wc->status == 0) { - switch (wc->cmd) { - /* intercept any freemem requests so that we know - we are always current with the user-level view - of things. - */ - - case WFC_REPORT_FREE_MEMORY: - dev.freemem = demunge_int32 (wc->rbuf, 4); - break; - - case WFC_UPLOAD_PATCH: - demunge_buf (wc->rbuf, wc->rbuf, WF_PATCH_BYTES); - break; - - case WFC_UPLOAD_PROGRAM: - demunge_buf (wc->rbuf, wc->rbuf, WF_PROGRAM_BYTES); - break; - - case WFC_UPLOAD_EDRUM_PROGRAM: - demunge_buf (wc->rbuf, wc->rbuf, WF_DRUM_BYTES - 1); - break; - - case WFC_UPLOAD_SAMPLE_HEADER: - process_sample_hdr (wc->rbuf); - break; - - case WFC_UPLOAD_SAMPLE_ALIAS: - printk (KERN_INFO LOGNAME "support for " - "sample aliases still " - "being considered.\n"); - break; - - case WFC_VMIDI_OFF: - if (virtual_midi_disable () < 0) { - return -(EIO); - } - break; - - case WFC_VMIDI_ON: - if (virtual_midi_enable () < 0) { - return -(EIO); - } - break; - } - } - - return 0; -} - - -/***********************************************************************/ -/* WaveFront: Linux file system interface (for access via raw synth) */ -/***********************************************************************/ - -static int -wavefront_open (struct inode *inode, struct file *file) -{ - /* XXX fix me */ - dev.opened = file->f_flags; - return 0; -} - -static int -wavefront_release(struct inode *inode, struct file *file) -{ - lock_kernel(); - dev.opened = 0; - dev.debug = 0; - unlock_kernel(); - return 0; -} - -static int -wavefront_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - wavefront_control wc; - int err; - - switch (cmd) { - - case WFCTL_WFCMD: - if (copy_from_user(&wc, (void __user *) arg, sizeof (wc))) - return -EFAULT; - - if ((err = wavefront_synth_control (cmd, &wc)) == 0) { - if (copy_to_user ((void __user *) arg, &wc, sizeof (wc))) - return -EFAULT; - } - - return err; - - case WFCTL_LOAD_SPP: - return wavefront_load_patch ((const char __user *) arg); - - default: - printk (KERN_WARNING LOGNAME "invalid ioctl %#x\n", cmd); - return -(EINVAL); - - } - return 0; -} - -static /*const*/ struct file_operations wavefront_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = wavefront_ioctl, - .open = wavefront_open, - .release = wavefront_release, -}; - - -/***********************************************************************/ -/* WaveFront: OSS installation and support interface */ -/***********************************************************************/ - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ - -static struct synth_info wavefront_info = -{"Turtle Beach WaveFront", 0, SYNTH_TYPE_SAMPLE, SAMPLE_TYPE_WAVEFRONT, - 0, 32, 0, 0, SYNTH_CAP_INPUT}; - -static int -wavefront_oss_open (int devno, int mode) - -{ - dev.opened = mode; - return 0; -} - -static void -wavefront_oss_close (int devno) - -{ - dev.opened = 0; - dev.debug = 0; - return; -} - -static int -wavefront_oss_ioctl (int devno, unsigned int cmd, void __user * arg) - -{ - wavefront_control wc; - int err; - - switch (cmd) { - case SNDCTL_SYNTH_INFO: - if(copy_to_user(arg, &wavefront_info, sizeof (wavefront_info))) - return -EFAULT; - return 0; - - case SNDCTL_SEQ_RESETSAMPLES: -// printk (KERN_WARNING LOGNAME "driver cannot reset samples.\n"); - return 0; /* don't force an error */ - - case SNDCTL_SEQ_PERCMODE: - return 0; /* don't force an error */ - - case SNDCTL_SYNTH_MEMAVL: - if ((dev.freemem = wavefront_freemem ()) < 0) { - printk (KERN_ERR LOGNAME "cannot get memory size\n"); - return -EIO; - } else { - return dev.freemem; - } - break; - - case SNDCTL_SYNTH_CONTROL: - if(copy_from_user (&wc, arg, sizeof (wc))) - err = -EFAULT; - else if ((err = wavefront_synth_control (cmd, &wc)) == 0) { - if(copy_to_user (arg, &wc, sizeof (wc))) - err = -EFAULT; - } - - return err; - - default: - return -(EINVAL); - } -} - -static int -wavefront_oss_load_patch (int devno, int format, const char __user *addr, - int offs, int count, int pmgr_flag) -{ - - if (format == SYSEX_PATCH) { /* Handled by midi_synth.c */ - if (midi_load_patch == NULL) { - printk (KERN_ERR LOGNAME - "SYSEX not loadable: " - "no midi patch loader!\n"); - return -(EINVAL); - } - - return midi_load_patch (devno, format, addr, - offs, count, pmgr_flag); - - } else if (format == GUS_PATCH) { - return wavefront_load_gus_patch (devno, format, - addr, offs, count, pmgr_flag); - - } else if (format != WAVEFRONT_PATCH) { - printk (KERN_ERR LOGNAME "unknown patch format %d\n", format); - return -(EINVAL); - } - - if (count < sizeof (wavefront_patch_info)) { - printk (KERN_ERR LOGNAME "sample header too short\n"); - return -(EINVAL); - } - - /* "addr" points to a user-space wavefront_patch_info */ - - return wavefront_load_patch (addr); -} - -static struct synth_operations wavefront_operations = -{ - .owner = THIS_MODULE, - .id = "WaveFront", - .info = &wavefront_info, - .midi_dev = 0, - .synth_type = SYNTH_TYPE_SAMPLE, - .synth_subtype = SAMPLE_TYPE_WAVEFRONT, - .open = wavefront_oss_open, - .close = wavefront_oss_close, - .ioctl = wavefront_oss_ioctl, - .kill_note = midi_synth_kill_note, - .start_note = midi_synth_start_note, - .set_instr = midi_synth_set_instr, - .reset = midi_synth_reset, - .load_patch = midi_synth_load_patch, - .aftertouch = midi_synth_aftertouch, - .controller = midi_synth_controller, - .panning = midi_synth_panning, - .bender = midi_synth_bender, - .setup_voice = midi_synth_setup_voice -}; -#endif /* OSS_SUPPORT_SEQ */ - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_STATIC_INSTALL - -static void __init attach_wavefront (struct address_info *hw_config) -{ - (void) install_wavefront (); -} - -static int __init probe_wavefront (struct address_info *hw_config) -{ - return !detect_wavefront (hw_config->irq, hw_config->io_base); -} - -static void __exit unload_wavefront (struct address_info *hw_config) -{ - (void) uninstall_wavefront (); -} - -#endif /* OSS_SUPPORT_STATIC_INSTALL */ - -/***********************************************************************/ -/* WaveFront: Linux modular sound kernel installation interface */ -/***********************************************************************/ - -static irqreturn_t -wavefrontintr(int irq, void *dev_id, struct pt_regs *dummy) -{ - struct wf_config *hw = dev_id; - - /* - Some comments on interrupts. I attempted a version of this - driver that used interrupts throughout the code instead of - doing busy and/or sleep-waiting. Alas, it appears that once - the Motorola firmware is downloaded, the card *never* - generates an RX interrupt. These are successfully generated - during firmware loading, and after that wavefront_status() - reports that an interrupt is pending on the card from time - to time, but it never seems to be delivered to this - driver. Note also that wavefront_status() continues to - report that RX interrupts are enabled, suggesting that I - didn't goof up and disable them by mistake. - - Thus, I stepped back to a prior version of - wavefront_wait(), the only place where this really - matters. Its sad, but I've looked through the code to check - on things, and I really feel certain that the Motorola - firmware prevents RX-ready interrupts. - */ - - if ((wavefront_status() & (STAT_INTR_READ|STAT_INTR_WRITE)) == 0) { - return IRQ_NONE; - } - - hw->irq_ok = 1; - hw->irq_cnt++; - wake_up_interruptible (&hw->interrupt_sleeper); - return IRQ_HANDLED; -} - -/* STATUS REGISTER - -0 Host Rx Interrupt Enable (1=Enabled) -1 Host Rx Register Full (1=Full) -2 Host Rx Interrupt Pending (1=Interrupt) -3 Unused -4 Host Tx Interrupt (1=Enabled) -5 Host Tx Register empty (1=Empty) -6 Host Tx Interrupt Pending (1=Interrupt) -7 Unused -*/ - -static int -wavefront_interrupt_bits (int irq) - -{ - int bits; - - switch (irq) { - case 9: - bits = 0x00; - break; - case 5: - bits = 0x08; - break; - case 12: - bits = 0x10; - break; - case 15: - bits = 0x18; - break; - - default: - printk (KERN_WARNING LOGNAME "invalid IRQ %d\n", irq); - bits = -1; - } - - return bits; -} - -static void -wavefront_should_cause_interrupt (int val, int port, int timeout) - -{ - unsigned long flags; - - /* this will not help on SMP - but at least it compiles */ - spin_lock_irqsave(&lock, flags); - dev.irq_ok = 0; - outb (val,port); - interruptible_sleep_on_timeout (&dev.interrupt_sleeper, timeout); - spin_unlock_irqrestore(&lock,flags); -} - -static int __init wavefront_hw_reset (void) -{ - int bits; - int hwv[2]; - unsigned long irq_mask; - short reported_irq; - - /* IRQ already checked in init_module() */ - - bits = wavefront_interrupt_bits (dev.irq); - - printk (KERN_DEBUG LOGNAME "autodetecting WaveFront IRQ\n"); - - irq_mask = probe_irq_on (); - - outb (0x0, dev.control_port); - outb (0x80 | 0x40 | bits, dev.data_port); - wavefront_should_cause_interrupt(0x80|0x40|0x10|0x1, - dev.control_port, - (reset_time*HZ)/100); - - reported_irq = probe_irq_off (irq_mask); - - if (reported_irq != dev.irq) { - if (reported_irq == 0) { - printk (KERN_ERR LOGNAME - "No unassigned interrupts detected " - "after h/w reset\n"); - } else if (reported_irq < 0) { - printk (KERN_ERR LOGNAME - "Multiple unassigned interrupts detected " - "after h/w reset\n"); - } else { - printk (KERN_ERR LOGNAME "autodetected IRQ %d not the " - "value provided (%d)\n", reported_irq, - dev.irq); - } - dev.irq = -1; - return 1; - } else { - printk (KERN_INFO LOGNAME "autodetected IRQ at %d\n", - reported_irq); - } - - if (request_irq (dev.irq, wavefrontintr, - IRQF_DISABLED|IRQF_SHARED, - "wavefront synth", &dev) < 0) { - printk (KERN_WARNING LOGNAME "IRQ %d not available!\n", - dev.irq); - return 1; - } - - /* try reset of port */ - - outb (0x0, dev.control_port); - - /* At this point, the board is in reset, and the H/W initialization - register is accessed at the same address as the data port. - - Bit 7 - Enable IRQ Driver - 0 - Tri-state the Wave-Board drivers for the PC Bus IRQs - 1 - Enable IRQ selected by bits 5:3 to be driven onto the PC Bus. - - Bit 6 - MIDI Interface Select - - 0 - Use the MIDI Input from the 26-pin WaveBlaster - compatible header as the serial MIDI source - 1 - Use the MIDI Input from the 9-pin D connector as the - serial MIDI source. - - Bits 5:3 - IRQ Selection - 0 0 0 - IRQ 2/9 - 0 0 1 - IRQ 5 - 0 1 0 - IRQ 12 - 0 1 1 - IRQ 15 - 1 0 0 - Reserved - 1 0 1 - Reserved - 1 1 0 - Reserved - 1 1 1 - Reserved - - Bits 2:1 - Reserved - Bit 0 - Disable Boot ROM - 0 - memory accesses to 03FC30-03FFFFH utilize the internal Boot ROM - 1 - memory accesses to 03FC30-03FFFFH are directed to external - storage. - - */ - - /* configure hardware: IRQ, enable interrupts, - plus external 9-pin MIDI interface selected - */ - - outb (0x80 | 0x40 | bits, dev.data_port); - - /* CONTROL REGISTER - - 0 Host Rx Interrupt Enable (1=Enabled) 0x1 - 1 Unused 0x2 - 2 Unused 0x4 - 3 Unused 0x8 - 4 Host Tx Interrupt Enable 0x10 - 5 Mute (0=Mute; 1=Play) 0x20 - 6 Master Interrupt Enable (1=Enabled) 0x40 - 7 Master Reset (0=Reset; 1=Run) 0x80 - - Take us out of reset, mute output, master + TX + RX interrupts on. - - We'll get an interrupt presumably to tell us that the TX - register is clear. - */ - - wavefront_should_cause_interrupt(0x80|0x40|0x10|0x1, - dev.control_port, - (reset_time*HZ)/100); - - /* Note: data port is now the data port, not the h/w initialization - port. - */ - - if (!dev.irq_ok) { - printk (KERN_WARNING LOGNAME - "intr not received after h/w un-reset.\n"); - goto gone_bad; - } - - dev.interrupts_on = 1; - - /* Note: data port is now the data port, not the h/w initialization - port. - - At this point, only "HW VERSION" or "DOWNLOAD OS" commands - will work. So, issue one of them, and wait for TX - interrupt. This can take a *long* time after a cold boot, - while the ISC ROM does its RAM test. The SDK says up to 4 - seconds - with 12MB of RAM on a Tropez+, it takes a lot - longer than that (~16secs). Note that the card understands - the difference between a warm and a cold boot, so - subsequent ISC2115 reboots (say, caused by module - reloading) will get through this much faster. - - XXX Interesting question: why is no RX interrupt received first ? - */ - - wavefront_should_cause_interrupt(WFC_HARDWARE_VERSION, - dev.data_port, ramcheck_time*HZ); - - if (!dev.irq_ok) { - printk (KERN_WARNING LOGNAME - "post-RAM-check interrupt not received.\n"); - goto gone_bad; - } - - if (!wavefront_wait (STAT_CAN_READ)) { - printk (KERN_WARNING LOGNAME - "no response to HW version cmd.\n"); - goto gone_bad; - } - - if ((hwv[0] = wavefront_read ()) == -1) { - printk (KERN_WARNING LOGNAME - "board not responding correctly.\n"); - goto gone_bad; - } - - if (hwv[0] == 0xFF) { /* NAK */ - - /* Board's RAM test failed. Try to read error code, - and tell us about it either way. - */ - - if ((hwv[0] = wavefront_read ()) == -1) { - printk (KERN_WARNING LOGNAME "on-board RAM test failed " - "(bad error code).\n"); - } else { - printk (KERN_WARNING LOGNAME "on-board RAM test failed " - "(error code: 0x%x).\n", - hwv[0]); - } - goto gone_bad; - } - - /* We're OK, just get the next byte of the HW version response */ - - if ((hwv[1] = wavefront_read ()) == -1) { - printk (KERN_WARNING LOGNAME "incorrect h/w response.\n"); - goto gone_bad; - } - - printk (KERN_INFO LOGNAME "hardware version %d.%d\n", - hwv[0], hwv[1]); - - return 0; - - - gone_bad: - if (dev.irq >= 0) { - free_irq (dev.irq, &dev); - dev.irq = -1; - } - return (1); -} - -static int __init detect_wavefront (int irq, int io_base) -{ - unsigned char rbuf[4], wbuf[4]; - - /* TB docs say the device takes up 8 ports, but we know that - if there is an FX device present (i.e. a Tropez+) it really - consumes 16. - */ - - if (!request_region (io_base, 16, "wavfront")) { - printk (KERN_ERR LOGNAME "IO address range 0x%x - 0x%x " - "already in use - ignored\n", dev.base, - dev.base+15); - return -1; - } - - dev.irq = irq; - dev.base = io_base; - dev.israw = 0; - dev.debug = debug_default; - dev.interrupts_on = 0; - dev.irq_cnt = 0; - dev.rom_samples_rdonly = 1; /* XXX default lock on ROM sample slots */ - - if (wavefront_cmd (WFC_FIRMWARE_VERSION, rbuf, wbuf) == 0) { - - dev.fw_version[0] = rbuf[0]; - dev.fw_version[1] = rbuf[1]; - printk (KERN_INFO LOGNAME - "firmware %d.%d already loaded.\n", - rbuf[0], rbuf[1]); - - /* check that a command actually works */ - - if (wavefront_cmd (WFC_HARDWARE_VERSION, - rbuf, wbuf) == 0) { - dev.hw_version[0] = rbuf[0]; - dev.hw_version[1] = rbuf[1]; - } else { - printk (KERN_WARNING LOGNAME "not raw, but no " - "hardware version!\n"); - release_region (io_base, 16); - return 0; - } - - if (!wf_raw) { - /* will re-acquire region in install_wavefront() */ - release_region (io_base, 16); - return 1; - } else { - printk (KERN_INFO LOGNAME - "reloading firmware anyway.\n"); - dev.israw = 1; - } - - } else { - - dev.israw = 1; - printk (KERN_INFO LOGNAME - "no response to firmware probe, assume raw.\n"); - - } - - init_waitqueue_head (&dev.interrupt_sleeper); - - if (wavefront_hw_reset ()) { - printk (KERN_WARNING LOGNAME "hardware reset failed\n"); - release_region (io_base, 16); - return 0; - } - - /* Check for FX device, present only on Tropez+ */ - - dev.has_fx = (detect_wffx () == 0); - - /* will re-acquire region in install_wavefront() */ - release_region (io_base, 16); - return 1; -} - -#include "os.h" -#include <linux/fs.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <asm/uaccess.h> - - -static int -wavefront_download_firmware (char *path) - -{ - unsigned char section[WF_SECTION_MAX]; - char section_length; /* yes, just a char; max value is WF_SECTION_MAX */ - int section_cnt_downloaded = 0; - int fd; - int c; - int i; - mm_segment_t fs; - - /* This tries to be a bit cleverer than the stuff Alan Cox did for - the generic sound firmware, in that it actually knows - something about the structure of the Motorola firmware. In - particular, it uses a version that has been stripped of the - 20K of useless header information, and had section lengths - added, making it possible to load the entire OS without any - [kv]malloc() activity, since the longest entity we ever read is - 42 bytes (well, WF_SECTION_MAX) long. - */ - - fs = get_fs(); - set_fs (get_ds()); - - if ((fd = sys_open (path, 0, 0)) < 0) { - printk (KERN_WARNING LOGNAME "Unable to load \"%s\".\n", - path); - return 1; - } - - while (1) { - int x; - - if ((x = sys_read (fd, §ion_length, sizeof (section_length))) != - sizeof (section_length)) { - printk (KERN_ERR LOGNAME "firmware read error.\n"); - goto failure; - } - - if (section_length == 0) { - break; - } - - if (sys_read (fd, section, section_length) != section_length) { - printk (KERN_ERR LOGNAME "firmware section " - "read error.\n"); - goto failure; - } - - /* Send command */ - - if (wavefront_write (WFC_DOWNLOAD_OS)) { - goto failure; - } - - for (i = 0; i < section_length; i++) { - if (wavefront_write (section[i])) { - goto failure; - } - } - - /* get ACK */ - - if (wavefront_wait (STAT_CAN_READ)) { - - if ((c = inb (dev.data_port)) != WF_ACK) { - - printk (KERN_ERR LOGNAME "download " - "of section #%d not " - "acknowledged, ack = 0x%x\n", - section_cnt_downloaded + 1, c); - goto failure; - - } - - } else { - printk (KERN_ERR LOGNAME "time out for firmware ACK.\n"); - goto failure; - } - - } - - sys_close (fd); - set_fs (fs); - return 0; - - failure: - sys_close (fd); - set_fs (fs); - printk (KERN_ERR "\nWaveFront: firmware download failed!!!\n"); - return 1; -} - -static int __init wavefront_config_midi (void) -{ - unsigned char rbuf[4], wbuf[4]; - - if (detect_wf_mpu (dev.irq, dev.base) < 0) { - printk (KERN_WARNING LOGNAME - "could not find working MIDI device\n"); - return -1; - } - - if ((dev.mididev = install_wf_mpu ()) < 0) { - printk (KERN_WARNING LOGNAME - "MIDI interfaces not configured\n"); - return -1; - } - - /* Route external MIDI to WaveFront synth (by default) */ - - if (wavefront_cmd (WFC_MISYNTH_ON, rbuf, wbuf)) { - printk (KERN_WARNING LOGNAME - "cannot enable MIDI-IN to synth routing.\n"); - /* XXX error ? */ - } - - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ - /* Get the regular MIDI patch loading function, so we can - use it if we ever get handed a SYSEX patch. This is - unlikely, because its so damn slow, but we may as well - leave this functionality from maui.c behind, since it - could be useful for sequencer applications that can - only use MIDI to do patch loading. - */ - - if (midi_devs[dev.mididev]->converter != NULL) { - midi_load_patch = midi_devs[dev.mididev]->converter->load_patch; - midi_devs[dev.mididev]->converter->load_patch = - &wavefront_oss_load_patch; - } - -#endif /* OSS_SUPPORT_SEQ */ - - /* Turn on Virtual MIDI, but first *always* turn it off, - since otherwise consectutive reloads of the driver will - never cause the hardware to generate the initial "internal" or - "external" source bytes in the MIDI data stream. This - is pretty important, since the internal hardware generally will - be used to generate none or very little MIDI output, and - thus the only source of MIDI data is actually external. Without - the switch bytes, the driver will think it all comes from - the internal interface. Duh. - */ - - if (wavefront_cmd (WFC_VMIDI_OFF, rbuf, wbuf)) { - printk (KERN_WARNING LOGNAME - "virtual MIDI mode not disabled\n"); - return 0; /* We're OK, but missing the external MIDI dev */ - } - - if ((dev.ext_mididev = virtual_midi_enable ()) < 0) { - printk (KERN_WARNING LOGNAME "no virtual MIDI access.\n"); - } else { - if (wavefront_cmd (WFC_VMIDI_ON, rbuf, wbuf)) { - printk (KERN_WARNING LOGNAME - "cannot enable virtual MIDI mode.\n"); - virtual_midi_disable (); - } - } - - return 0; -} - -static int __init wavefront_do_reset (int atboot) -{ - char voices[1]; - - if (!atboot && wavefront_hw_reset ()) { - printk (KERN_WARNING LOGNAME "hw reset failed.\n"); - goto gone_bad; - } - - if (dev.israw) { - if (wavefront_download_firmware (ospath)) { - goto gone_bad; - } - - dev.israw = 0; - - /* Wait for the OS to get running. The protocol for - this is non-obvious, and was determined by - using port-IO tracing in DOSemu and some - experimentation here. - - Rather than using timed waits, use interrupts creatively. - */ - - wavefront_should_cause_interrupt (WFC_NOOP, - dev.data_port, - (osrun_time*HZ)); - - if (!dev.irq_ok) { - printk (KERN_WARNING LOGNAME - "no post-OS interrupt.\n"); - goto gone_bad; - } - - /* Now, do it again ! */ - - wavefront_should_cause_interrupt (WFC_NOOP, - dev.data_port, (10*HZ)); - - if (!dev.irq_ok) { - printk (KERN_WARNING LOGNAME - "no post-OS interrupt(2).\n"); - goto gone_bad; - } - - /* OK, no (RX/TX) interrupts any more, but leave mute - in effect. - */ - - outb (0x80|0x40, dev.control_port); - - /* No need for the IRQ anymore */ - - free_irq (dev.irq, &dev); - - } - - if (dev.has_fx && fx_raw) { - wffx_init (); - } - - /* SETUPSND.EXE asks for sample memory config here, but since i - have no idea how to interpret the result, we'll forget - about it. - */ - - if ((dev.freemem = wavefront_freemem ()) < 0) { - goto gone_bad; - } - - printk (KERN_INFO LOGNAME "available DRAM %dk\n", dev.freemem / 1024); - - if (wavefront_write (0xf0) || - wavefront_write (1) || - (wavefront_read () < 0)) { - dev.debug = 0; - printk (KERN_WARNING LOGNAME "MPU emulation mode not set.\n"); - goto gone_bad; - } - - voices[0] = 32; - - if (wavefront_cmd (WFC_SET_NVOICES, NULL, voices)) { - printk (KERN_WARNING LOGNAME - "cannot set number of voices to 32.\n"); - goto gone_bad; - } - - - return 0; - - gone_bad: - /* reset that sucker so that it doesn't bother us. */ - - outb (0x0, dev.control_port); - dev.interrupts_on = 0; - if (dev.irq >= 0) { - free_irq (dev.irq, &dev); - } - return 1; -} - -static int __init wavefront_init (int atboot) -{ - int samples_are_from_rom; - - if (dev.israw) { - samples_are_from_rom = 1; - } else { - /* XXX is this always true ? */ - samples_are_from_rom = 0; - } - - if (dev.israw || fx_raw) { - if (wavefront_do_reset (atboot)) { - return -1; - } - } - - wavefront_get_sample_status (samples_are_from_rom); - wavefront_get_program_status (); - wavefront_get_patch_status (); - - /* Start normal operation: unreset, master interrupt enabled, no mute - */ - - outb (0x80|0x40|0x20, dev.control_port); - - return (0); -} - -static int __init install_wavefront (void) -{ - if (!request_region (dev.base+2, 6, "wavefront synth")) - return -1; - - if (dev.has_fx) { - if (!request_region (dev.base+8, 8, "wavefront fx")) { - release_region (dev.base+2, 6); - return -1; - } - } - - if ((dev.synth_dev = register_sound_synth (&wavefront_fops, -1)) < 0) { - printk (KERN_ERR LOGNAME "cannot register raw synth\n"); - goto err_out; - } - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ - if ((dev.oss_dev = sound_alloc_synthdev()) == -1) { - printk (KERN_ERR LOGNAME "Too many sequencers\n"); - /* FIXME: leak: should unregister sound synth */ - goto err_out; - } else { - synth_devs[dev.oss_dev] = &wavefront_operations; - } -#endif /* OSS_SUPPORT_SEQ */ - - if (wavefront_init (1) < 0) { - printk (KERN_WARNING LOGNAME "initialization failed.\n"); - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ - sound_unload_synthdev (dev.oss_dev); -#endif /* OSS_SUPPORT_SEQ */ - - goto err_out; - } - - if (wavefront_config_midi ()) { - printk (KERN_WARNING LOGNAME "could not initialize MIDI.\n"); - } - - return dev.oss_dev; - -err_out: - release_region (dev.base+2, 6); - if (dev.has_fx) - release_region (dev.base+8, 8); - return -1; -} - -static void __exit uninstall_wavefront (void) -{ - /* the first two i/o addresses are freed by the wf_mpu code */ - release_region (dev.base+2, 6); - - if (dev.has_fx) { - release_region (dev.base+8, 8); - } - - unregister_sound_synth (dev.synth_dev); - -#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ - sound_unload_synthdev (dev.oss_dev); -#endif /* OSS_SUPPORT_SEQ */ - uninstall_wf_mpu (); -} - -/***********************************************************************/ -/* WaveFront FX control */ -/***********************************************************************/ - -#include "yss225.h" - -/* Control bits for the Load Control Register - */ - -#define FX_LSB_TRANSFER 0x01 /* transfer after DSP LSB byte written */ -#define FX_MSB_TRANSFER 0x02 /* transfer after DSP MSB byte written */ -#define FX_AUTO_INCR 0x04 /* auto-increment DSP address after transfer */ - -static int -wffx_idle (void) - -{ - int i; - unsigned int x = 0x80; - - for (i = 0; i < 1000; i++) { - x = inb (dev.fx_status); - if ((x & 0x80) == 0) { - break; - } - } - - if (x & 0x80) { - printk (KERN_ERR LOGNAME "FX device never idle.\n"); - return 0; - } - - return (1); -} - -int __init detect_wffx (void) -{ - /* This is a crude check, but its the best one I have for now. - Certainly on the Maui and the Tropez, wffx_idle() will - report "never idle", which suggests that this test should - work OK. - */ - - if (inb (dev.fx_status) & 0x80) { - printk (KERN_INFO LOGNAME "Hmm, probably a Maui or Tropez.\n"); - return -1; - } - - return 0; -} - -static void -wffx_mute (int onoff) - -{ - if (!wffx_idle()) { - return; - } - - outb (onoff ? 0x02 : 0x00, dev.fx_op); -} - -static int -wffx_memset (int page, - int addr, int cnt, unsigned short *data) -{ - if (page < 0 || page > 7) { - printk (KERN_ERR LOGNAME "FX memset: " - "page must be >= 0 and <= 7\n"); - return -(EINVAL); - } - - if (addr < 0 || addr > 0x7f) { - printk (KERN_ERR LOGNAME "FX memset: " - "addr must be >= 0 and <= 7f\n"); - return -(EINVAL); - } - - if (cnt == 1) { - - outb (FX_LSB_TRANSFER, dev.fx_lcr); - outb (page, dev.fx_dsp_page); - outb (addr, dev.fx_dsp_addr); - outb ((data[0] >> 8), dev.fx_dsp_msb); - outb ((data[0] & 0xff), dev.fx_dsp_lsb); - - printk (KERN_INFO LOGNAME "FX: addr %d:%x set to 0x%x\n", - page, addr, data[0]); - - } else { - int i; - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (page, dev.fx_dsp_page); - outb (addr, dev.fx_dsp_addr); - - for (i = 0; i < cnt; i++) { - outb ((data[i] >> 8), dev.fx_dsp_msb); - outb ((data[i] & 0xff), dev.fx_dsp_lsb); - if (!wffx_idle ()) { - break; - } - } - - if (i != cnt) { - printk (KERN_WARNING LOGNAME - "FX memset " - "(0x%x, 0x%x, %p, %d) incomplete\n", - page, addr, data, cnt); - return -(EIO); - } - } - - return 0; -} - -static int -wffx_ioctl (wavefront_fx_info *r) - -{ - unsigned short page_data[256]; - unsigned short *pd; - - switch (r->request) { - case WFFX_MUTE: - wffx_mute (r->data[0]); - return 0; - - case WFFX_MEMSET: - - if (r->data[2] <= 0) { - printk (KERN_ERR LOGNAME "cannot write " - "<= 0 bytes to FX\n"); - return -(EINVAL); - } else if (r->data[2] == 1) { - pd = (unsigned short *) &r->data[3]; - } else { - if (r->data[2] > sizeof (page_data)) { - printk (KERN_ERR LOGNAME "cannot write " - "> 255 bytes to FX\n"); - return -(EINVAL); - } - if (copy_from_user(page_data, - (unsigned char __user *)r->data[3], - r->data[2])) - return -EFAULT; - pd = page_data; - } - - return wffx_memset (r->data[0], /* page */ - r->data[1], /* addr */ - r->data[2], /* cnt */ - pd); - - default: - printk (KERN_WARNING LOGNAME - "FX: ioctl %d not yet supported\n", - r->request); - return -(EINVAL); - } -} - -/* YSS225 initialization. - - This code was developed using DOSEMU. The Turtle Beach SETUPSND - utility was run with I/O tracing in DOSEMU enabled, and a reconstruction - of the port I/O done, using the Yamaha faxback document as a guide - to add more logic to the code. Its really pretty weird. - - There was an alternative approach of just dumping the whole I/O - sequence as a series of port/value pairs and a simple loop - that output it. However, I hope that eventually I'll get more - control over what this code does, and so I tried to stick with - a somewhat "algorithmic" approach. -*/ - -static int __init wffx_init (void) -{ - int i; - int j; - - /* Set all bits for all channels on the MOD unit to zero */ - /* XXX But why do this twice ? */ - - for (j = 0; j < 2; j++) { - for (i = 0x10; i <= 0xff; i++) { - - if (!wffx_idle ()) { - return (-1); - } - - outb (i, dev.fx_mod_addr); - outb (0x0, dev.fx_mod_data); - } - } - - if (!wffx_idle()) return (-1); - outb (0x02, dev.fx_op); /* mute on */ - - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x44, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x42, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x43, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x7c, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x7e, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x46, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x49, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x47, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x4a, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - - /* either because of stupidity by TB's programmers, or because it - actually does something, rezero the MOD page. - */ - for (i = 0x10; i <= 0xff; i++) { - - if (!wffx_idle ()) { - return (-1); - } - - outb (i, dev.fx_mod_addr); - outb (0x0, dev.fx_mod_data); - } - /* load page zero */ - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x00, dev.fx_dsp_page); - outb (0x00, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_zero); i += 2) { - outb (page_zero[i], dev.fx_dsp_msb); - outb (page_zero[i+1], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - /* Now load page one */ - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x01, dev.fx_dsp_page); - outb (0x00, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_one); i += 2) { - outb (page_one[i], dev.fx_dsp_msb); - outb (page_one[i+1], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x02, dev.fx_dsp_page); - outb (0x00, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_two); i++) { - outb (page_two[i], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x03, dev.fx_dsp_page); - outb (0x00, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_three); i++) { - outb (page_three[i], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x04, dev.fx_dsp_page); - outb (0x00, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_four); i++) { - outb (page_four[i], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - /* Load memory area (page six) */ - - outb (FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x06, dev.fx_dsp_page); - - for (i = 0; i < sizeof (page_six); i += 3) { - outb (page_six[i], dev.fx_dsp_addr); - outb (page_six[i+1], dev.fx_dsp_msb); - outb (page_six[i+2], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x07, dev.fx_dsp_page); - outb (0x00, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_seven); i += 2) { - outb (page_seven[i], dev.fx_dsp_msb); - outb (page_seven[i+1], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - /* Now setup the MOD area. We do this algorithmically in order to - save a little data space. It could be done in the same fashion - as the "pages". - */ - - for (i = 0x00; i <= 0x0f; i++) { - outb (0x01, dev.fx_mod_addr); - outb (i, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - outb (0x02, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0xb0; i <= 0xbf; i++) { - outb (i, dev.fx_mod_addr); - outb (0x20, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0xf0; i <= 0xff; i++) { - outb (i, dev.fx_mod_addr); - outb (0x20, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0x10; i <= 0x1d; i++) { - outb (i, dev.fx_mod_addr); - outb (0xff, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0x1e, dev.fx_mod_addr); - outb (0x40, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - for (i = 0x1f; i <= 0x2d; i++) { - outb (i, dev.fx_mod_addr); - outb (0xff, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0x2e, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - for (i = 0x2f; i <= 0x3e; i++) { - outb (i, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0x3f, dev.fx_mod_addr); - outb (0x20, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - for (i = 0x40; i <= 0x4d; i++) { - outb (i, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0x4e, dev.fx_mod_addr); - outb (0x0e, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - outb (0x4f, dev.fx_mod_addr); - outb (0x0e, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - - for (i = 0x50; i <= 0x6b; i++) { - outb (i, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0x6c, dev.fx_mod_addr); - outb (0x40, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - outb (0x6d, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - outb (0x6e, dev.fx_mod_addr); - outb (0x40, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - outb (0x6f, dev.fx_mod_addr); - outb (0x40, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - for (i = 0x70; i <= 0x7f; i++) { - outb (i, dev.fx_mod_addr); - outb (0xc0, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0x80; i <= 0xaf; i++) { - outb (i, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0xc0; i <= 0xdd; i++) { - outb (i, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0xde, dev.fx_mod_addr); - outb (0x10, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - outb (0xdf, dev.fx_mod_addr); - outb (0x10, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - - for (i = 0xe0; i <= 0xef; i++) { - outb (i, dev.fx_mod_addr); - outb (0x00, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0x00; i <= 0x0f; i++) { - outb (0x01, dev.fx_mod_addr); - outb (i, dev.fx_mod_data); - outb (0x02, dev.fx_mod_addr); - outb (0x01, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - outb (0x02, dev.fx_op); /* mute on */ - - /* Now set the coefficients and so forth for the programs above */ - - for (i = 0; i < sizeof (coefficients); i += 4) { - outb (coefficients[i], dev.fx_dsp_page); - outb (coefficients[i+1], dev.fx_dsp_addr); - outb (coefficients[i+2], dev.fx_dsp_msb); - outb (coefficients[i+3], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - /* Some settings (?) that are too small to bundle into loops */ - - if (!wffx_idle()) return (-1); - outb (0x1e, dev.fx_mod_addr); - outb (0x14, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - outb (0xde, dev.fx_mod_addr); - outb (0x20, dev.fx_mod_data); - if (!wffx_idle()) return (-1); - outb (0xdf, dev.fx_mod_addr); - outb (0x20, dev.fx_mod_data); - - /* some more coefficients */ - - if (!wffx_idle()) return (-1); - outb (0x06, dev.fx_dsp_page); - outb (0x78, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x40, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x03, dev.fx_dsp_addr); - outb (0x0f, dev.fx_dsp_msb); - outb (0xff, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x0b, dev.fx_dsp_addr); - outb (0x0f, dev.fx_dsp_msb); - outb (0xff, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x02, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x0a, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x46, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - outb (0x07, dev.fx_dsp_page); - outb (0x49, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - - /* Now, for some strange reason, lets reload every page - and all the coefficients over again. I have *NO* idea - why this is done. I do know that no sound is produced - is this phase is omitted. - */ - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x00, dev.fx_dsp_page); - outb (0x10, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_zero_v2); i += 2) { - outb (page_zero_v2[i], dev.fx_dsp_msb); - outb (page_zero_v2[i+1], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x01, dev.fx_dsp_page); - outb (0x10, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_one_v2); i += 2) { - outb (page_one_v2[i], dev.fx_dsp_msb); - outb (page_one_v2[i+1], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - if (!wffx_idle()) return (-1); - if (!wffx_idle()) return (-1); - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x02, dev.fx_dsp_page); - outb (0x10, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_two_v2); i++) { - outb (page_two_v2[i], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x03, dev.fx_dsp_page); - outb (0x10, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_three_v2); i++) { - outb (page_three_v2[i], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x04, dev.fx_dsp_page); - outb (0x10, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_four_v2); i++) { - outb (page_four_v2[i], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x06, dev.fx_dsp_page); - - /* Page six v.2 is algorithmic */ - - for (i = 0x10; i <= 0x3e; i += 2) { - outb (i, dev.fx_dsp_addr); - outb (0x00, dev.fx_dsp_msb); - outb (0x00, dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev.fx_lcr); - outb (0x07, dev.fx_dsp_page); - outb (0x10, dev.fx_dsp_addr); - - for (i = 0; i < sizeof (page_seven_v2); i += 2) { - outb (page_seven_v2[i], dev.fx_dsp_msb); - outb (page_seven_v2[i+1], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - for (i = 0x00; i < sizeof(mod_v2); i += 2) { - outb (mod_v2[i], dev.fx_mod_addr); - outb (mod_v2[i+1], dev.fx_mod_data); - if (!wffx_idle()) return (-1); - } - - for (i = 0; i < sizeof (coefficients2); i += 4) { - outb (coefficients2[i], dev.fx_dsp_page); - outb (coefficients2[i+1], dev.fx_dsp_addr); - outb (coefficients2[i+2], dev.fx_dsp_msb); - outb (coefficients2[i+3], dev.fx_dsp_lsb); - if (!wffx_idle()) return (-1); - } - - for (i = 0; i < sizeof (coefficients3); i += 2) { - int x; - - outb (0x07, dev.fx_dsp_page); - x = (i % 4) ? 0x4e : 0x4c; - outb (x, dev.fx_dsp_addr); - outb (coefficients3[i], dev.fx_dsp_msb); - outb (coefficients3[i+1], dev.fx_dsp_lsb); - } - - outb (0x00, dev.fx_op); /* mute off */ - if (!wffx_idle()) return (-1); - - return (0); -} - -static int io = -1; -static int irq = -1; - -MODULE_AUTHOR ("Paul Barton-Davis <pbd@op.net>"); -MODULE_DESCRIPTION ("Turtle Beach WaveFront Linux Driver"); -MODULE_LICENSE("GPL"); -module_param (io, int, 0); -module_param (irq, int, 0); - -static int __init init_wavfront (void) -{ - printk ("Turtle Beach WaveFront Driver\n" - "Copyright (C) by Hannu Solvainen, " - "Paul Barton-Davis 1993-1998.\n"); - - /* XXX t'would be lovely to ask the CS4232 for these values, eh ? */ - - if (io == -1 || irq == -1) { - printk (KERN_INFO LOGNAME "irq and io options must be set.\n"); - return -EINVAL; - } - - if (wavefront_interrupt_bits (irq) < 0) { - printk (KERN_INFO LOGNAME - "IRQ must be 9, 5, 12 or 15 (not %d)\n", irq); - return -ENODEV; - } - - if (detect_wavefront (irq, io) < 0) { - return -ENODEV; - } - - if (install_wavefront () < 0) { - return -EIO; - } - - return 0; -} - -static void __exit cleanup_wavfront (void) -{ - uninstall_wavefront (); -} - -module_init(init_wavfront); -module_exit(cleanup_wavfront); |