| /* -*- 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/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); |
