diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1997-12-06 23:51:34 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 1997-12-06 23:51:34 +0000 |
commit | 230e5ab6a084ed50470f101934782dbf54b0d06b (patch) | |
tree | 5dd821c8d33f450470588e7a543f74bf74306e9e /drivers/sound/opl3.c | |
parent | c9b1c8a64c6444d189856f1e26bdcb8b4cd0113a (diff) |
Merge with Linux 2.1.67.
Diffstat (limited to 'drivers/sound/opl3.c')
-rw-r--r-- | drivers/sound/opl3.c | 1876 |
1 files changed, 942 insertions, 934 deletions
diff --git a/drivers/sound/opl3.c b/drivers/sound/opl3.c index 5c71dc585..beb146710 100644 --- a/drivers/sound/opl3.c +++ b/drivers/sound/opl3.c @@ -11,7 +11,7 @@ * for more info. */ #include <linux/config.h> - +#include <linux/module.h> /* * Major improvements to the FM handling 30AUG92 by Rob Hooft, @@ -21,8 +21,9 @@ */ #include "sound_config.h" +#include "soundmodule.h" -#if defined(CONFIG_YM3812) +#if defined(CONFIG_YM3812) || defined(MODULE) #include "opl3.h" @@ -30,265 +31,248 @@ #define OFFS_4OP 11 struct voice_info - { - unsigned char keyon_byte; - long bender; - long bender_range; - unsigned long orig_freq; - unsigned long current_freq; - int volume; - int mode; - int panning; /* 0xffff means not set */ - }; +{ + unsigned char keyon_byte; + long bender; + long bender_range; + unsigned long orig_freq; + unsigned long current_freq; + int volume; + int mode; + int panning; /* 0xffff means not set */ +}; typedef struct opl_devinfo - { - int base; - int left_io, right_io; - int nr_voice; - int lv_map[MAX_VOICE]; +{ + int base; + int left_io, right_io; + int nr_voice; + int lv_map[MAX_VOICE]; - struct voice_info voc[MAX_VOICE]; - struct voice_alloc_info *v_alloc; - struct channel_info *chn_info; + struct voice_info voc[MAX_VOICE]; + struct voice_alloc_info *v_alloc; + struct channel_info *chn_info; - struct sbi_instrument i_map[SBFM_MAXINSTR]; - struct sbi_instrument *act_i[MAX_VOICE]; + struct sbi_instrument i_map[SBFM_MAXINSTR]; + struct sbi_instrument *act_i[MAX_VOICE]; - struct synth_info fm_info; + struct synth_info fm_info; - int busy; - int model; - unsigned char cmask; + int busy; + int model; + unsigned char cmask; - int is_opl4; - int *osp; - } -opl_devinfo; + int is_opl4; + int *osp; +} opl_devinfo; static struct opl_devinfo *devc = NULL; static int detected_model; -static int store_instr (int instr_no, struct sbi_instrument *instr); -static void freq_to_fnum (int freq, int *block, int *fnum); -static void opl3_command (int io_addr, unsigned int addr, unsigned int val); -static int opl3_kill_note (int dev, int voice, int note, int velocity); +static int store_instr(int instr_no, struct sbi_instrument *instr); +static void freq_to_fnum(int freq, int *block, int *fnum); +static void opl3_command(int io_addr, unsigned int addr, unsigned int val); +static int opl3_kill_note(int dev, int voice, int note, int velocity); -static void -enter_4op_mode (void) +static void enter_4op_mode(void) { - int i; - static int v4op[MAX_VOICE] = - {0, 1, 2, 9, 10, 11, 6, 7, 8, 15, 16, 17}; - - devc->cmask = 0x3f; /* Connect all possible 4 OP voice operators */ - opl3_command (devc->right_io, CONNECTION_SELECT_REGISTER, 0x3f); - - for (i = 0; i < 3; i++) - pv_map[i].voice_mode = 4; - for (i = 3; i < 6; i++) - pv_map[i].voice_mode = 0; - - for (i = 9; i < 12; i++) - pv_map[i].voice_mode = 4; - for (i = 12; i < 15; i++) - pv_map[i].voice_mode = 0; - - for (i = 0; i < 12; i++) - devc->lv_map[i] = v4op[i]; - devc->v_alloc->max_voice = devc->nr_voice = 12; + int i; + static int v4op[MAX_VOICE] = { + 0, 1, 2, 9, 10, 11, 6, 7, 8, 15, 16, 17 + }; + + devc->cmask = 0x3f; /* Connect all possible 4 OP voice operators */ + opl3_command(devc->right_io, CONNECTION_SELECT_REGISTER, 0x3f); + + for (i = 0; i < 3; i++) + pv_map[i].voice_mode = 4; + for (i = 3; i < 6; i++) + pv_map[i].voice_mode = 0; + + for (i = 9; i < 12; i++) + pv_map[i].voice_mode = 4; + for (i = 12; i < 15; i++) + pv_map[i].voice_mode = 0; + + for (i = 0; i < 12; i++) + devc->lv_map[i] = v4op[i]; + devc->v_alloc->max_voice = devc->nr_voice = 12; } -static int -opl3_ioctl (int dev, - unsigned int cmd, caddr_t arg) +static int opl3_ioctl(int dev, unsigned int cmd, caddr_t arg) { - switch (cmd) - { - - case SNDCTL_FM_LOAD_INSTR: - { - struct sbi_instrument ins; - - memcpy ((char *) &ins, (&((char *) arg)[0]), sizeof (ins)); - printk("Warning: Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. Fix the program.\n"); - - if (ins.channel < 0 || ins.channel >= SBFM_MAXINSTR) - { - printk ("FM Error: Invalid instrument number %d\n", ins.channel); - return -EINVAL; - } - - return store_instr (ins.channel, &ins); - } - break; - - case SNDCTL_SYNTH_INFO: - devc->fm_info.nr_voices = (devc->nr_voice == 12) ? 6 : devc->nr_voice; - - memcpy ((&((char *) arg)[0]), (char *) &devc->fm_info, sizeof (devc->fm_info)); - return 0; - break; - - case SNDCTL_SYNTH_MEMAVL: - return 0x7fffffff; - break; - - case SNDCTL_FM_4OP_ENABLE: - if (devc->model == 2) - enter_4op_mode (); - return 0; - break; - - default: - return -EINVAL; - } + switch (cmd) + { + case SNDCTL_FM_LOAD_INSTR: + { + struct sbi_instrument ins; + + printk(KERN_WARNING "Warning: Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. Fix the program.\n"); + memcpy((char *) &ins, (&((char *) arg)[0]), sizeof(ins)); + + if (ins.channel < 0 || ins.channel >= SBFM_MAXINSTR) + { + printk("FM Error: Invalid instrument number %d\n", ins.channel); + return -EINVAL; + } + return store_instr(ins.channel, &ins); + } + + case SNDCTL_SYNTH_INFO: + devc->fm_info.nr_voices = + (devc->nr_voice == 12) ? 6 : devc->nr_voice; + memcpy((&((char *) arg)[0]), (char *) &devc->fm_info, sizeof(devc->fm_info)); + return 0; + + case SNDCTL_SYNTH_MEMAVL: + return 0x7fffffff; + + case SNDCTL_FM_4OP_ENABLE: + if (devc->model == 2) + enter_4op_mode(); + return 0; + + default: + return -EINVAL; + } } -int -opl3_detect (int ioaddr, int *osp) +int opl3_detect(int ioaddr, int *osp) { - /* - * This function returns 1 if the FM chip is present at the given I/O port - * The detection algorithm plays with the timer built in the FM chip and - * looks for a change in the status register. - * - * Note! The timers of the FM chip are not connected to AdLib (and compatible) - * boards. - * - * Note2! The chip is initialized if detected. - */ - - unsigned char stat1, signature; - int i; - - if (devc != NULL) - return 0; - - - devc = (struct opl_devinfo *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (*devc))); - sound_mem_sizes[sound_nblocks] = sizeof (*devc); - if (sound_nblocks < 1024) - sound_nblocks++;; - - if (devc == NULL) - { - printk ("OPL3: Can't allocate memory for the device control structure\n"); - return 0; - } - - devc->osp = osp; - devc->base = ioaddr; - - /* Reset timers 1 and 2 */ - opl3_command (ioaddr, TIMER_CONTROL_REGISTER, TIMER1_MASK | TIMER2_MASK); - - /* Reset the IRQ of the FM chip */ - opl3_command (ioaddr, TIMER_CONTROL_REGISTER, IRQ_RESET); - - signature = stat1 = inb (ioaddr); /* Status register */ - - if (signature != 0x00 && signature != 0x06 && signature != 0x02 && - signature != 0x0f) - { - DDB (printk ("OPL3 not detected %x\n", signature)); - return 0; - } - - if (signature == 0x06) /* OPL2 */ - { - detected_model = 2; - } - else if (signature == 0x00 || signature == 0x0f) /* OPL3 or OPL4 */ - { - unsigned char tmp; - - detected_model = 3; - - /* - * Detect availability of OPL4 (_experimental_). Works probably - * only after a cold boot. In addition the OPL4 port - * of the chip may not be connected to the PC bus at all. - */ - - opl3_command (ioaddr + 2, OPL3_MODE_REGISTER, 0x00); - opl3_command (ioaddr + 2, OPL3_MODE_REGISTER, OPL3_ENABLE | OPL4_ENABLE); - - if ((tmp = inb (ioaddr)) == 0x02) /* Have a OPL4 */ + /* + * This function returns 1 if the FM chip is present at the given I/O port + * The detection algorithm plays with the timer built in the FM chip and + * looks for a change in the status register. + * + * Note! The timers of the FM chip are not connected to AdLib (and compatible) + * boards. + * + * Note2! The chip is initialized if detected. + */ + + unsigned char stat1, signature; + int i; + + if (devc != NULL) { - detected_model = 4; + printk(KERN_ERR "opl3: Only one OPL3 supported.\n"); + return 0; } - if (!check_region (ioaddr - 8, 2)) /* OPL4 port is free */ + devc = (struct opl_devinfo *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(*devc))); + sound_mem_sizes[sound_nblocks] = sizeof(*devc); + if (sound_nblocks < 1024) + sound_nblocks++;; + + if (devc == NULL) { - int tmp; - - outb ((0x02), ioaddr - 8); /* Select OPL4 ID register */ - tenmicrosec (devc->osp); - tmp = inb (ioaddr - 7); /* Read it */ - tenmicrosec (devc->osp); - - if (tmp == 0x20) /* OPL4 should return 0x20 here */ - { - detected_model = 4; - - outb ((0xF8), ioaddr - 8); /* Select OPL4 FM mixer control */ - tenmicrosec (devc->osp); - outb ((0x1B), ioaddr - 7); /* Write value */ - tenmicrosec (devc->osp); - } - else - detected_model = 3; + printk(KERN_ERR "OPL3: Can't allocate memory for the device control " + "structure \n "); + return 0; } + devc->osp = osp; + devc->base = ioaddr; - opl3_command (ioaddr + 2, OPL3_MODE_REGISTER, 0); + /* Reset timers 1 and 2 */ + opl3_command(ioaddr, TIMER_CONTROL_REGISTER, TIMER1_MASK | TIMER2_MASK); - } + /* Reset the IRQ of the FM chip */ + opl3_command(ioaddr, TIMER_CONTROL_REGISTER, IRQ_RESET); - for (i = 0; i < 9; i++) - opl3_command (ioaddr, KEYON_BLOCK + i, 0); /* - * Note off - */ + signature = stat1 = inb(ioaddr); /* Status register */ - opl3_command (ioaddr, TEST_REGISTER, ENABLE_WAVE_SELECT); - opl3_command (ioaddr, PERCOSSION_REGISTER, 0x00); /* - * Melodic mode. - */ + if (signature != 0x00 && signature != 0x06 && signature != 0x02 && + signature != 0x0f) + { + MDB(printk(KERN_INFO "OPL3 not detected %x\n", signature)); + return 0; + } + + if (signature == 0x06) /* OPL2 */ + { + detected_model = 2; + } + else if (signature == 0x00 || signature == 0x0f) /* OPL3 or OPL4 */ + { + unsigned char tmp; + + detected_model = 3; + + /* + * Detect availability of OPL4 (_experimental_). Works probably + * only after a cold boot. In addition the OPL4 port + * of the chip may not be connected to the PC bus at all. + */ + + opl3_command(ioaddr + 2, OPL3_MODE_REGISTER, 0x00); + opl3_command(ioaddr + 2, OPL3_MODE_REGISTER, OPL3_ENABLE | OPL4_ENABLE); + + if ((tmp = inb(ioaddr)) == 0x02) /* Have a OPL4 */ + { + detected_model = 4; + } + + if (!check_region(ioaddr - 8, 2)) /* OPL4 port is free */ + { + int tmp; + + outb((0x02), ioaddr - 8); /* Select OPL4 ID register */ + tenmicrosec(devc->osp); + tmp = inb(ioaddr - 7); /* Read it */ + tenmicrosec(devc->osp); + + if (tmp == 0x20) /* OPL4 should return 0x20 here */ + { + detected_model = 4; + outb((0xF8), ioaddr - 8); /* Select OPL4 FM mixer control */ + tenmicrosec(devc->osp); + outb((0x1B), ioaddr - 7); /* Write value */ + tenmicrosec(devc->osp); + } + else + detected_model = 3; + } + opl3_command(ioaddr + 2, OPL3_MODE_REGISTER, 0); + } + for (i = 0; i < 9; i++) + opl3_command(ioaddr, KEYON_BLOCK + i, 0); /* + * Note off + */ - return 1; + opl3_command(ioaddr, TEST_REGISTER, ENABLE_WAVE_SELECT); + opl3_command(ioaddr, PERCOSSION_REGISTER, 0x00); /* + * Melodic mode. + */ + return 1; } -static int -opl3_kill_note (int devno, int voice, int note, int velocity) +static int opl3_kill_note (int devno, int voice, int note, int velocity) { - struct physical_voice_info *map; - - if (voice < 0 || voice >= devc->nr_voice) - return 0; + struct physical_voice_info *map; - devc->v_alloc->map[voice] = 0; + if (voice < 0 || voice >= devc->nr_voice) + return 0; - map = &pv_map[devc->lv_map[voice]]; + devc->v_alloc->map[voice] = 0; - DEB (printk ("Kill note %d\n", voice)); + map = &pv_map[devc->lv_map[voice]]; + DEB(printk("Kill note %d\n", voice)); - if (map->voice_mode == 0) - return 0; + if (map->voice_mode == 0) + return 0; - opl3_command (map->ioaddr, KEYON_BLOCK + map->voice_num, devc->voc[voice].keyon_byte & ~0x20); - - devc->voc[voice].keyon_byte = 0; - devc->voc[voice].bender = 0; - devc->voc[voice].volume = 64; - devc->voc[voice].panning = 0xffff; /* Not set */ - devc->voc[voice].bender_range = 200; - devc->voc[voice].orig_freq = 0; - devc->voc[voice].current_freq = 0; - devc->voc[voice].mode = 0; - - return 0; + opl3_command(map->ioaddr, KEYON_BLOCK + map->voice_num, devc->voc[voice].keyon_byte & ~0x20); + devc->voc[voice].keyon_byte = 0; + devc->voc[voice].bender = 0; + devc->voc[voice].volume = 64; + devc->voc[voice].panning = 0xffff; /* Not set */ + devc->voc[voice].bender_range = 200; + devc->voc[voice].orig_freq = 0; + devc->voc[voice].current_freq = 0; + devc->voc[voice].mode = 0; + return 0; } #define HIHAT 0 @@ -299,28 +283,23 @@ opl3_kill_note (int devno, int voice, int note, int velocity) #define UNDEFINED TOMTOM #define DEFAULT TOMTOM -static int -store_instr (int instr_no, struct sbi_instrument *instr) +static int store_instr(int instr_no, struct sbi_instrument *instr) { - - if (instr->key != FM_PATCH && (instr->key != OPL3_PATCH || devc->model != 2)) - printk ("FM warning: Invalid patch format field (key) 0x%x\n", instr->key); - memcpy ((char *) &(devc->i_map[instr_no]), (char *) instr, sizeof (*instr)); - - return 0; + if (instr->key != FM_PATCH && (instr->key != OPL3_PATCH || devc->model != 2)) + printk(KERN_WARNING "FM warning: Invalid patch format field (key) 0x%x\n", instr->key); + memcpy((char *) &(devc->i_map[instr_no]), (char *) instr, sizeof(*instr)); + return 0; } -static int -opl3_set_instr (int dev, int voice, int instr_no) +static int opl3_set_instr (int dev, int voice, int instr_no) { - if (voice < 0 || voice >= devc->nr_voice) - return 0; - - if (instr_no < 0 || instr_no >= SBFM_MAXINSTR) - instr_no = 0; /* Acoustic piano (usually) */ + if (voice < 0 || voice >= devc->nr_voice) + return 0; + if (instr_no < 0 || instr_no >= SBFM_MAXINSTR) + instr_no = 0; /* Acoustic piano (usually) */ - devc->act_i[voice] = &devc->i_map[instr_no]; - return 0; + devc->act_i[voice] = &devc->i_map[instr_no]; + return 0; } /* @@ -332,882 +311,911 @@ opl3_set_instr (int dev, int voice, int instr_no) * volume -8 it was implemented as a table because it is only 128 bytes and * it saves a lot of log() calculations. (RH) */ -static char fm_volume_table[128] = -{-64, -48, -40, -35, -32, -29, -27, -26, - -24, -23, -21, -20, -19, -18, -18, -17, - -16, -15, -15, -14, -13, -13, -12, -12, - -11, -11, -10, -10, -10, -9, -9, -8, - -8, -8, -7, -7, -7, -6, -6, -6, - -5, -5, -5, -5, -4, -4, -4, -4, - -3, -3, -3, -3, -2, -2, -2, -2, - -2, -1, -1, -1, -1, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 1, - 1, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 4, - 4, 4, 4, 4, 4, 4, 4, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 6, 6, 6, 6, 6, 6, 6, 6, - 6, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 8, 8, 8, 8, 8}; - -static void -calc_vol (unsigned char *regbyte, int volume, int main_vol) + +static char fm_volume_table[128] = { - int level = (~*regbyte & 0x3f); + -64, -48, -40, -35, -32, -29, -27, -26, + -24, -23, -21, -20, -19, -18, -18, -17, + -16, -15, -15, -14, -13, -13, -12, -12, + -11, -11, -10, -10, -10, -9, -9, -8, + -8, -8, -7, -7, -7, -6, -6, -6, + -5, -5, -5, -5, -4, -4, -4, -4, + -3, -3, -3, -3, -2, -2, -2, -2, + -2, -1, -1, -1, -1, 0, 0, 0, + 0, 0, 0, 1, 1, 1, 1, 1, + 1, 2, 2, 2, 2, 2, 2, 2, + 3, 3, 3, 3, 3, 3, 3, 4, + 4, 4, 4, 4, 4, 4, 4, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 8, 8, 8, 8, 8 +}; - if (main_vol > 127) - main_vol = 127; +static void calc_vol(unsigned char *regbyte, int volume, int main_vol) +{ + int level = (~*regbyte & 0x3f); - volume = (volume * main_vol) / 127; + if (main_vol > 127) + main_vol = 127; + volume = (volume * main_vol) / 127; - if (level) - level += fm_volume_table[volume]; + if (level) + level += fm_volume_table[volume]; - if (level > 0x3f) - level = 0x3f; - if (level < 0) - level = 0; + if (level > 0x3f) + level = 0x3f; + if (level < 0) + level = 0; - *regbyte = (*regbyte & 0xc0) | (~level & 0x3f); + *regbyte = (*regbyte & 0xc0) | (~level & 0x3f); } -static void -set_voice_volume (int voice, int volume, int main_vol) +static void set_voice_volume(int voice, int volume, int main_vol) { - unsigned char vol1, vol2, vol3, vol4; - struct sbi_instrument *instr; - struct physical_voice_info *map; - - if (voice < 0 || voice >= devc->nr_voice) - return; + unsigned char vol1, vol2, vol3, vol4; + struct sbi_instrument *instr; + struct physical_voice_info *map; - map = &pv_map[devc->lv_map[voice]]; + if (voice < 0 || voice >= devc->nr_voice) + return; - instr = devc->act_i[voice]; + map = &pv_map[devc->lv_map[voice]]; + instr = devc->act_i[voice]; - if (!instr) - instr = &devc->i_map[0]; + if (!instr) + instr = &devc->i_map[0]; - if (instr->channel < 0) - return; + if (instr->channel < 0) + return; - if (devc->voc[voice].mode == 0) - return; + if (devc->voc[voice].mode == 0) + return; - if (devc->voc[voice].mode == 2) - { - - vol1 = instr->operators[2]; - vol2 = instr->operators[3]; - - if ((instr->operators[10] & 0x01)) + if (devc->voc[voice].mode == 2) { - calc_vol (&vol1, volume, main_vol); - calc_vol (&vol2, volume, main_vol); + vol1 = instr->operators[2]; + vol2 = instr->operators[3]; + if ((instr->operators[10] & 0x01)) + { + calc_vol(&vol1, volume, main_vol); + calc_vol(&vol2, volume, main_vol); + } + else + { + calc_vol(&vol2, volume, main_vol); + } + opl3_command(map->ioaddr, KSL_LEVEL + map->op[0], vol1); + opl3_command(map->ioaddr, KSL_LEVEL + map->op[1], vol2); } - else - { - calc_vol (&vol2, volume, main_vol); - } - - opl3_command (map->ioaddr, KSL_LEVEL + map->op[0], vol1); - opl3_command (map->ioaddr, KSL_LEVEL + map->op[1], vol2); - } - else - { /* - * 4 OP voice - */ - int connection; - - vol1 = instr->operators[2]; - vol2 = instr->operators[3]; - vol3 = instr->operators[OFFS_4OP + 2]; - vol4 = instr->operators[OFFS_4OP + 3]; - - /* - * The connection method for 4 OP devc->voc is defined by the rightmost - * bits at the offsets 10 and 10+OFFS_4OP - */ - - connection = ((instr->operators[10] & 0x01) << 1) | (instr->operators[10 + OFFS_4OP] & 0x01); - - switch (connection) - { - case 0: - calc_vol (&vol4, volume, main_vol); - break; - - case 1: - calc_vol (&vol2, volume, main_vol); - calc_vol (&vol4, volume, main_vol); - break; - - case 2: - calc_vol (&vol1, volume, main_vol); - calc_vol (&vol4, volume, main_vol); - break; - - case 3: - calc_vol (&vol1, volume, main_vol); - calc_vol (&vol3, volume, main_vol); - calc_vol (&vol4, volume, main_vol); - break; - - default:; + else + { /* + * 4 OP voice + */ + int connection; + + vol1 = instr->operators[2]; + vol2 = instr->operators[3]; + vol3 = instr->operators[OFFS_4OP + 2]; + vol4 = instr->operators[OFFS_4OP + 3]; + + /* + * The connection method for 4 OP devc->voc is defined by the rightmost + * bits at the offsets 10 and 10+OFFS_4OP + */ + + connection = ((instr->operators[10] & 0x01) << 1) | (instr->operators[10 + OFFS_4OP] & 0x01); + + switch (connection) + { + case 0: + calc_vol(&vol4, volume, main_vol); + break; + + case 1: + calc_vol(&vol2, volume, main_vol); + calc_vol(&vol4, volume, main_vol); + break; + + case 2: + calc_vol(&vol1, volume, main_vol); + calc_vol(&vol4, volume, main_vol); + break; + + case 3: + calc_vol(&vol1, volume, main_vol); + calc_vol(&vol3, volume, main_vol); + calc_vol(&vol4, volume, main_vol); + break; + + default: + ; + } + opl3_command(map->ioaddr, KSL_LEVEL + map->op[0], vol1); + opl3_command(map->ioaddr, KSL_LEVEL + map->op[1], vol2); + opl3_command(map->ioaddr, KSL_LEVEL + map->op[2], vol3); + opl3_command(map->ioaddr, KSL_LEVEL + map->op[3], vol4); } - - opl3_command (map->ioaddr, KSL_LEVEL + map->op[0], vol1); - opl3_command (map->ioaddr, KSL_LEVEL + map->op[1], vol2); - opl3_command (map->ioaddr, KSL_LEVEL + map->op[2], vol3); - opl3_command (map->ioaddr, KSL_LEVEL + map->op[3], vol4); - } } -static int -opl3_start_note (int dev, int voice, int note, int volume) +static int opl3_start_note (int dev, int voice, int note, int volume) { - unsigned char data, fpc; - int block, fnum, freq, voice_mode, pan; - struct sbi_instrument *instr; - struct physical_voice_info *map; + unsigned char data, fpc; + int block, fnum, freq, voice_mode, pan; + struct sbi_instrument *instr; + struct physical_voice_info *map; - if (voice < 0 || voice >= devc->nr_voice) - return 0; + if (voice < 0 || voice >= devc->nr_voice) + return 0; - map = &pv_map[devc->lv_map[voice]]; - pan = devc->voc[voice].panning; + map = &pv_map[devc->lv_map[voice]]; + pan = devc->voc[voice].panning; - if (map->voice_mode == 0) - return 0; + if (map->voice_mode == 0) + return 0; - if (note == 255) /* + if (note == 255) /* * Just change the volume */ - { - set_voice_volume (voice, volume, devc->voc[voice].volume); - return 0; - } - - /* - * Kill previous note before playing - */ - opl3_command (map->ioaddr, KSL_LEVEL + map->op[1], 0xff); /* - * Carrier - * volume to - * min - */ - opl3_command (map->ioaddr, KSL_LEVEL + map->op[0], 0xff); /* - * Modulator - * volume to - */ + { + set_voice_volume(voice, volume, devc->voc[voice].volume); + return 0; + } + + /* + * Kill previous note before playing + */ + + opl3_command(map->ioaddr, KSL_LEVEL + map->op[1], 0xff); /* + * Carrier + * volume to + * min + */ + opl3_command(map->ioaddr, KSL_LEVEL + map->op[0], 0xff); /* + * Modulator + * volume to + */ - if (map->voice_mode == 4) - { - opl3_command (map->ioaddr, KSL_LEVEL + map->op[2], 0xff); - opl3_command (map->ioaddr, KSL_LEVEL + map->op[3], 0xff); - } + if (map->voice_mode == 4) + { + opl3_command(map->ioaddr, KSL_LEVEL + map->op[2], 0xff); + opl3_command(map->ioaddr, KSL_LEVEL + map->op[3], 0xff); + } - opl3_command (map->ioaddr, KEYON_BLOCK + map->voice_num, 0x00); /* + opl3_command(map->ioaddr, KEYON_BLOCK + map->voice_num, 0x00); /* * Note * off */ - instr = devc->act_i[voice]; + instr = devc->act_i[voice]; + + if (!instr) + instr = &devc->i_map[0]; - if (!instr) - instr = &devc->i_map[0]; - - if (instr->channel < 0) - { - printk ( - "OPL3: Initializing voice %d with undefined instrument\n", - voice); - return 0; - } + if (instr->channel < 0) + { + printk(KERN_WARNING "OPL3: Initializing voice %d with undefined instrument\n", voice); + return 0; + } - if (map->voice_mode == 2 && instr->key == OPL3_PATCH) - return 0; /* + if (map->voice_mode == 2 && instr->key == OPL3_PATCH) + return 0; /* * Cannot play */ - voice_mode = map->voice_mode; + voice_mode = map->voice_mode; - if (voice_mode == 4) - { - int voice_shift; + if (voice_mode == 4) + { + int voice_shift; - voice_shift = (map->ioaddr == devc->left_io) ? 0 : 3; - voice_shift += map->voice_num; + voice_shift = (map->ioaddr == devc->left_io) ? 0 : 3; + voice_shift += map->voice_num; - if (instr->key != OPL3_PATCH) /* - * Just 2 OP patch - */ - { - voice_mode = 2; - devc->cmask &= ~(1 << voice_shift); + if (instr->key != OPL3_PATCH) /* + * Just 2 OP patch + */ + { + voice_mode = 2; + devc->cmask &= ~(1 << voice_shift); + } + else + { + devc->cmask |= (1 << voice_shift); + } + + opl3_command(devc->right_io, CONNECTION_SELECT_REGISTER, devc->cmask); } - else + + /* + * Set Sound Characteristics + */ + + opl3_command(map->ioaddr, AM_VIB + map->op[0], instr->operators[0]); + opl3_command(map->ioaddr, AM_VIB + map->op[1], instr->operators[1]); + + /* + * Set Attack/Decay + */ + + opl3_command(map->ioaddr, ATTACK_DECAY + map->op[0], instr->operators[4]); + opl3_command(map->ioaddr, ATTACK_DECAY + map->op[1], instr->operators[5]); + + /* + * Set Sustain/Release + */ + + opl3_command(map->ioaddr, SUSTAIN_RELEASE + map->op[0], instr->operators[6]); + opl3_command(map->ioaddr, SUSTAIN_RELEASE + map->op[1], instr->operators[7]); + + /* + * Set Wave Select + */ + + opl3_command(map->ioaddr, WAVE_SELECT + map->op[0], instr->operators[8]); + opl3_command(map->ioaddr, WAVE_SELECT + map->op[1], instr->operators[9]); + + /* + * Set Feedback/Connection + */ + + fpc = instr->operators[10]; + + if (pan != 0xffff) { - devc->cmask |= (1 << voice_shift); + fpc &= ~STEREO_BITS; + if (pan < -64) + fpc |= VOICE_TO_LEFT; + else + if (pan > 64) + fpc |= VOICE_TO_RIGHT; + else + fpc |= (VOICE_TO_LEFT | VOICE_TO_RIGHT); } - opl3_command (devc->right_io, CONNECTION_SELECT_REGISTER, devc->cmask); - } - - /* - * Set Sound Characteristics - */ - opl3_command (map->ioaddr, AM_VIB + map->op[0], instr->operators[0]); - opl3_command (map->ioaddr, AM_VIB + map->op[1], instr->operators[1]); - - /* - * Set Attack/Decay - */ - opl3_command (map->ioaddr, ATTACK_DECAY + map->op[0], instr->operators[4]); - opl3_command (map->ioaddr, ATTACK_DECAY + map->op[1], instr->operators[5]); - - /* - * Set Sustain/Release - */ - opl3_command (map->ioaddr, SUSTAIN_RELEASE + map->op[0], instr->operators[6]); - opl3_command (map->ioaddr, SUSTAIN_RELEASE + map->op[1], instr->operators[7]); - - /* - * Set Wave Select - */ - opl3_command (map->ioaddr, WAVE_SELECT + map->op[0], instr->operators[8]); - opl3_command (map->ioaddr, WAVE_SELECT + map->op[1], instr->operators[9]); - - /* - * Set Feedback/Connection - */ - fpc = instr->operators[10]; - - if (pan != 0xffff) - { - fpc &= ~STEREO_BITS; - - if (pan < -64) - fpc |= VOICE_TO_LEFT; - else if (pan > 64) - fpc |= VOICE_TO_RIGHT; - else - fpc |= (VOICE_TO_LEFT | VOICE_TO_RIGHT); - } - - if (!(fpc & 0x30)) - fpc |= 0x30; /* - * Ensure that at least one chn is enabled - */ - opl3_command (map->ioaddr, FEEDBACK_CONNECTION + map->voice_num, - fpc); - - /* - * If the voice is a 4 OP one, initialize the operators 3 and 4 also - */ - - if (voice_mode == 4) - { - - /* - * Set Sound Characteristics - */ - opl3_command (map->ioaddr, AM_VIB + map->op[2], instr->operators[OFFS_4OP + 0]); - opl3_command (map->ioaddr, AM_VIB + map->op[3], instr->operators[OFFS_4OP + 1]); - - /* - * Set Attack/Decay - */ - opl3_command (map->ioaddr, ATTACK_DECAY + map->op[2], instr->operators[OFFS_4OP + 4]); - opl3_command (map->ioaddr, ATTACK_DECAY + map->op[3], instr->operators[OFFS_4OP + 5]); - - /* - * Set Sustain/Release - */ - opl3_command (map->ioaddr, SUSTAIN_RELEASE + map->op[2], instr->operators[OFFS_4OP + 6]); - opl3_command (map->ioaddr, SUSTAIN_RELEASE + map->op[3], instr->operators[OFFS_4OP + 7]); - - /* - * Set Wave Select - */ - opl3_command (map->ioaddr, WAVE_SELECT + map->op[2], instr->operators[OFFS_4OP + 8]); - opl3_command (map->ioaddr, WAVE_SELECT + map->op[3], instr->operators[OFFS_4OP + 9]); - - /* - * Set Feedback/Connection - */ - fpc = instr->operators[OFFS_4OP + 10]; - if (!(fpc & 0x30)) - fpc |= 0x30; /* + if (!(fpc & 0x30)) + fpc |= 0x30; /* * Ensure that at least one chn is enabled */ - opl3_command (map->ioaddr, FEEDBACK_CONNECTION + map->voice_num + 3, fpc); - } + opl3_command(map->ioaddr, FEEDBACK_CONNECTION + map->voice_num, fpc); - devc->voc[voice].mode = voice_mode; + /* + * If the voice is a 4 OP one, initialize the operators 3 and 4 also + */ - set_voice_volume (voice, volume, devc->voc[voice].volume); + if (voice_mode == 4) + { + /* + * Set Sound Characteristics + */ + + opl3_command(map->ioaddr, AM_VIB + map->op[2], instr->operators[OFFS_4OP + 0]); + opl3_command(map->ioaddr, AM_VIB + map->op[3], instr->operators[OFFS_4OP + 1]); + + /* + * Set Attack/Decay + */ + + opl3_command(map->ioaddr, ATTACK_DECAY + map->op[2], instr->operators[OFFS_4OP + 4]); + opl3_command(map->ioaddr, ATTACK_DECAY + map->op[3], instr->operators[OFFS_4OP + 5]); + + /* + * Set Sustain/Release + */ + + opl3_command(map->ioaddr, SUSTAIN_RELEASE + map->op[2], instr->operators[OFFS_4OP + 6]); + opl3_command(map->ioaddr, SUSTAIN_RELEASE + map->op[3], instr->operators[OFFS_4OP + 7]); + + /* + * Set Wave Select + */ + + opl3_command(map->ioaddr, WAVE_SELECT + map->op[2], instr->operators[OFFS_4OP + 8]); + opl3_command(map->ioaddr, WAVE_SELECT + map->op[3], instr->operators[OFFS_4OP + 9]); + + /* + * Set Feedback/Connection + */ + + fpc = instr->operators[OFFS_4OP + 10]; + if (!(fpc & 0x30)) + fpc |= 0x30; /* + * Ensure that at least one chn is enabled + */ + opl3_command(map->ioaddr, FEEDBACK_CONNECTION + map->voice_num + 3, fpc); + } + + devc->voc[voice].mode = voice_mode; + set_voice_volume(voice, volume, devc->voc[voice].volume); - freq = devc->voc[voice].orig_freq = note_to_freq (note) / 1000; + freq = devc->voc[voice].orig_freq = note_to_freq(note) / 1000; - /* - * Since the pitch bender may have been set before playing the note, we - * have to calculate the bending now. - */ + /* + * Since the pitch bender may have been set before playing the note, we + * have to calculate the bending now. + */ - freq = compute_finetune (devc->voc[voice].orig_freq, devc->voc[voice].bender, devc->voc[voice].bender_range, 0); - devc->voc[voice].current_freq = freq; + freq = compute_finetune(devc->voc[voice].orig_freq, devc->voc[voice].bender, devc->voc[voice].bender_range, 0); + devc->voc[voice].current_freq = freq; - freq_to_fnum (freq, &block, &fnum); + freq_to_fnum(freq, &block, &fnum); - /* - * Play note - */ + /* + * Play note + */ - data = fnum & 0xff; /* + data = fnum & 0xff; /* * Least significant bits of fnumber */ - opl3_command (map->ioaddr, FNUM_LOW + map->voice_num, data); + opl3_command(map->ioaddr, FNUM_LOW + map->voice_num, data); - data = 0x20 | ((block & 0x7) << 2) | ((fnum >> 8) & 0x3); - devc->voc[voice].keyon_byte = data; - opl3_command (map->ioaddr, KEYON_BLOCK + map->voice_num, data); - if (voice_mode == 4) - opl3_command (map->ioaddr, KEYON_BLOCK + map->voice_num + 3, data); + data = 0x20 | ((block & 0x7) << 2) | ((fnum >> 8) & 0x3); + devc->voc[voice].keyon_byte = data; + opl3_command(map->ioaddr, KEYON_BLOCK + map->voice_num, data); + if (voice_mode == 4) + opl3_command(map->ioaddr, KEYON_BLOCK + map->voice_num + 3, data); - return 0; + return 0; } -static void -freq_to_fnum (int freq, int *block, int *fnum) +static void freq_to_fnum (int freq, int *block, int *fnum) { - int f, octave; + int f, octave; - /* - * Converts the note frequency to block and fnum values for the FM chip - */ - /* - * First try to compute the block -value (octave) where the note belongs - */ + /* + * Converts the note frequency to block and fnum values for the FM chip + */ + /* + * First try to compute the block -value (octave) where the note belongs + */ - f = freq; + f = freq; - octave = 5; + octave = 5; - if (f == 0) - octave = 0; - else if (f < 261) - { - while (f < 261) + if (f == 0) + octave = 0; + else if (f < 261) { - octave--; - f <<= 1; + while (f < 261) + { + octave--; + f <<= 1; + } } - } - else if (f > 493) - { - while (f > 493) + else if (f > 493) { - octave++; - f >>= 1; + while (f > 493) + { + octave++; + f >>= 1; + } } - } - if (octave > 7) - octave = 7; + if (octave > 7) + octave = 7; - *fnum = freq * (1 << (20 - octave)) / 49716; - *block = octave; + *fnum = freq * (1 << (20 - octave)) / 49716; + *block = octave; } -static void -opl3_command (int io_addr, unsigned int addr, unsigned int val) +static void opl3_command (int io_addr, unsigned int addr, unsigned int val) { - int i; - - /* - * The original 2-OP synth requires a quite long delay after writing to a - * register. The OPL-3 survives with just two INBs - */ - - outb (((unsigned char) (addr & 0xff)), io_addr); - - if (devc->model != 2) - tenmicrosec (devc->osp); - else - for (i = 0; i < 2; i++) - inb (io_addr); - - outb (((unsigned char) (val & 0xff)), io_addr + 1); - - if (devc->model != 2) - { - tenmicrosec (devc->osp); - tenmicrosec (devc->osp); - tenmicrosec (devc->osp); - } - else - for (i = 0; i < 2; i++) - inb (io_addr); -} + int i; -static void -opl3_reset (int devno) -{ - int i; + /* + * The original 2-OP synth requires a quite long delay after writing to a + * register. The OPL-3 survives with just two INBs + */ - for (i = 0; i < 18; i++) - devc->lv_map[i] = i; + outb(((unsigned char) (addr & 0xff)), io_addr); - for (i = 0; i < devc->nr_voice; i++) - { - opl3_command (pv_map[devc->lv_map[i]].ioaddr, - KSL_LEVEL + pv_map[devc->lv_map[i]].op[0], 0xff); + if (devc->model != 2) + tenmicrosec(devc->osp); + else + for (i = 0; i < 2; i++) + inb(io_addr); - opl3_command (pv_map[devc->lv_map[i]].ioaddr, - KSL_LEVEL + pv_map[devc->lv_map[i]].op[1], 0xff); + outb(((unsigned char) (val & 0xff)), io_addr + 1); - if (pv_map[devc->lv_map[i]].voice_mode == 4) + if (devc->model != 2) { - opl3_command (pv_map[devc->lv_map[i]].ioaddr, - KSL_LEVEL + pv_map[devc->lv_map[i]].op[2], 0xff); - - opl3_command (pv_map[devc->lv_map[i]].ioaddr, - KSL_LEVEL + pv_map[devc->lv_map[i]].op[3], 0xff); + tenmicrosec(devc->osp); + tenmicrosec(devc->osp); + tenmicrosec(devc->osp); } + else + for (i = 0; i < 2; i++) + inb(io_addr); +} + +static void opl3_reset(int devno) +{ + int i; + + for (i = 0; i < 18; i++) + devc->lv_map[i] = i; + + for (i = 0; i < devc->nr_voice; i++) + { + opl3_command(pv_map[devc->lv_map[i]].ioaddr, + KSL_LEVEL + pv_map[devc->lv_map[i]].op[0], 0xff); + + opl3_command(pv_map[devc->lv_map[i]].ioaddr, + KSL_LEVEL + pv_map[devc->lv_map[i]].op[1], 0xff); - opl3_kill_note (devno, i, 0, 64); - } + if (pv_map[devc->lv_map[i]].voice_mode == 4) + { + opl3_command(pv_map[devc->lv_map[i]].ioaddr, + KSL_LEVEL + pv_map[devc->lv_map[i]].op[2], 0xff); - if (devc->model == 2) - { - devc->v_alloc->max_voice = devc->nr_voice = 18; + opl3_command(pv_map[devc->lv_map[i]].ioaddr, + KSL_LEVEL + pv_map[devc->lv_map[i]].op[3], 0xff); + } - for (i = 0; i < 18; i++) - pv_map[i].voice_mode = 2; + opl3_kill_note(devno, i, 0, 64); + } + + if (devc->model == 2) + { + devc->v_alloc->max_voice = devc->nr_voice = 18; - } + for (i = 0; i < 18; i++) + pv_map[i].voice_mode = 2; + } } -static int -opl3_open (int dev, int mode) +static int opl3_open(int dev, int mode) { - int i; + int i; - if (devc->busy) - return -EBUSY; - devc->busy = 1; + if (devc->busy) + return -EBUSY; + MOD_INC_USE_COUNT; + devc->busy = 1; - devc->v_alloc->max_voice = devc->nr_voice = (devc->model == 2) ? 18 : 9; - devc->v_alloc->timestamp = 0; + devc->v_alloc->max_voice = devc->nr_voice = (devc->model == 2) ? 18 : 9; + devc->v_alloc->timestamp = 0; - for (i = 0; i < 18; i++) - { - devc->v_alloc->map[i] = 0; - devc->v_alloc->alloc_times[i] = 0; - } + for (i = 0; i < 18; i++) + { + devc->v_alloc->map[i] = 0; + devc->v_alloc->alloc_times[i] = 0; + } - devc->cmask = 0x00; /* + devc->cmask = 0x00; /* * Just 2 OP mode */ - if (devc->model == 2) - opl3_command (devc->right_io, CONNECTION_SELECT_REGISTER, devc->cmask); - return 0; + if (devc->model == 2) + opl3_command(devc->right_io, CONNECTION_SELECT_REGISTER, devc->cmask); + return 0; } -static void -opl3_close (int dev) +static void opl3_close(int dev) { - devc->busy = 0; - devc->v_alloc->max_voice = devc->nr_voice = (devc->model == 2) ? 18 : 9; + devc->busy = 0; + devc->v_alloc->max_voice = devc->nr_voice = (devc->model == 2) ? 18 : 9; - devc->fm_info.nr_drums = 0; - devc->fm_info.perc_mode = 0; + devc->fm_info.nr_drums = 0; + devc->fm_info.perc_mode = 0; - opl3_reset (dev); + opl3_reset(dev); + MOD_DEC_USE_COUNT; } -static void -opl3_hw_control (int dev, unsigned char *event) +static void opl3_hw_control(int dev, unsigned char *event) { } -static int -opl3_load_patch (int dev, int format, const char *addr, - int offs, int count, int pmgr_flag) +static int opl3_load_patch(int dev, int format, const char *addr, + int offs, int count, int pmgr_flag) { - struct sbi_instrument ins; + struct sbi_instrument ins; - if (count < sizeof (ins)) - { - printk ("FM Error: Patch record too short\n"); - return -EINVAL; - } + if (count <sizeof(ins)) + { + printk(KERN_WARNING "FM Error: Patch record too short\n"); + return -EINVAL; + } - copy_from_user (&((char *) &ins)[offs], &(addr)[offs], sizeof (ins) - offs); + copy_from_user(&((char *) &ins)[offs], &(addr)[offs], sizeof(ins) - offs); - if (ins.channel < 0 || ins.channel >= SBFM_MAXINSTR) - { - printk ("FM Error: Invalid instrument number %d\n", ins.channel); - return -EINVAL; - } - ins.key = format; + if (ins.channel < 0 || ins.channel >= SBFM_MAXINSTR) + { + printk(KERN_WARNING "FM Error: Invalid instrument number %d\n", ins.channel); + return -EINVAL; + } + ins.key = format; - return store_instr (ins.channel, &ins); + return store_instr(ins.channel, &ins); } -static void -opl3_panning (int dev, int voice, int value) +static void opl3_panning(int dev, int voice, int value) { - devc->voc[voice].panning = value; + devc->voc[voice].panning = value; } -static void -opl3_volume_method (int dev, int mode) +static void opl3_volume_method(int dev, int mode) { } #define SET_VIBRATO(cell) { \ - tmp = instr->operators[(cell-1)+(((cell-1)/2)*OFFS_4OP)]; \ - if (pressure > 110) \ - tmp |= 0x40; /* Vibrato on */ \ - opl3_command (map->ioaddr, AM_VIB + map->op[cell-1], tmp);} + tmp = instr->operators[(cell-1)+(((cell-1)/2)*OFFS_4OP)]; \ + if (pressure > 110) \ + tmp |= 0x40; /* Vibrato on */ \ + opl3_command (map->ioaddr, AM_VIB + map->op[cell-1], tmp);} -static void -opl3_aftertouch (int dev, int voice, int pressure) +static void opl3_aftertouch(int dev, int voice, int pressure) { - int tmp; - struct sbi_instrument *instr; - struct physical_voice_info *map; - - if (voice < 0 || voice >= devc->nr_voice) - return; + int tmp; + struct sbi_instrument *instr; + struct physical_voice_info *map; - map = &pv_map[devc->lv_map[voice]]; + if (voice < 0 || voice >= devc->nr_voice) + return; - DEB (printk ("Aftertouch %d\n", voice)); + map = &pv_map[devc->lv_map[voice]]; - if (map->voice_mode == 0) - return; + DEB(printk("Aftertouch %d\n", voice)); - /* - * Adjust the amount of vibrato depending the pressure - */ + if (map->voice_mode == 0) + return; - instr = devc->act_i[voice]; + /* + * Adjust the amount of vibrato depending the pressure + */ - if (!instr) - instr = &devc->i_map[0]; + instr = devc->act_i[voice]; - if (devc->voc[voice].mode == 4) - { - int connection = ((instr->operators[10] & 0x01) << 1) | (instr->operators[10 + OFFS_4OP] & 0x01); + if (!instr) + instr = &devc->i_map[0]; - switch (connection) + if (devc->voc[voice].mode == 4) + { + int connection = ((instr->operators[10] & 0x01) << 1) | (instr->operators[10 + OFFS_4OP] & 0x01); + + switch (connection) + { + case 0: + SET_VIBRATO(4); + break; + + case 1: + SET_VIBRATO(2); + SET_VIBRATO(4); + break; + + case 2: + SET_VIBRATO(1); + SET_VIBRATO(4); + break; + + case 3: + SET_VIBRATO(1); + SET_VIBRATO(3); + SET_VIBRATO(4); + break; + + } + /* + * Not implemented yet + */ + } + else { - case 0: - SET_VIBRATO (4); - break; - - case 1: - SET_VIBRATO (2); - SET_VIBRATO (4); - break; - - case 2: - SET_VIBRATO (1); - SET_VIBRATO (4); - break; - - case 3: - SET_VIBRATO (1); - SET_VIBRATO (3); - SET_VIBRATO (4); - break; + SET_VIBRATO(1); + if ((instr->operators[10] & 0x01)) /* + * Additive synthesis + */ + SET_VIBRATO(2); } - /* - * Not implemented yet - */ - } - else - { - SET_VIBRATO (1); - - if ((instr->operators[10] & 0x01)) /* - * Additive synthesis - */ - SET_VIBRATO (2); - } } #undef SET_VIBRATO -static void -bend_pitch (int dev, int voice, int value) +static void bend_pitch(int dev, int voice, int value) { - unsigned char data; - int block, fnum, freq; - struct physical_voice_info *map; + unsigned char data; + int block, fnum, freq; + struct physical_voice_info *map; - map = &pv_map[devc->lv_map[voice]]; + map = &pv_map[devc->lv_map[voice]]; - if (map->voice_mode == 0) - return; + if (map->voice_mode == 0) + return; - devc->voc[voice].bender = value; - if (!value) - return; - if (!(devc->voc[voice].keyon_byte & 0x20)) - return; /* - * Not keyed on - */ + devc->voc[voice].bender = value; + if (!value) + return; + if (!(devc->voc[voice].keyon_byte & 0x20)) + return; /* + * Not keyed on + */ - freq = compute_finetune (devc->voc[voice].orig_freq, devc->voc[voice].bender, devc->voc[voice].bender_range, 0); - devc->voc[voice].current_freq = freq; + freq = compute_finetune(devc->voc[voice].orig_freq, devc->voc[voice].bender, devc->voc[voice].bender_range, 0); + devc->voc[voice].current_freq = freq; - freq_to_fnum (freq, &block, &fnum); + freq_to_fnum(freq, &block, &fnum); - data = fnum & 0xff; /* + data = fnum & 0xff; /* * Least significant bits of fnumber */ - opl3_command (map->ioaddr, FNUM_LOW + map->voice_num, data); + opl3_command(map->ioaddr, FNUM_LOW + map->voice_num, data); - data = 0x20 | ((block & 0x7) << 2) | ((fnum >> 8) & 0x3); - devc->voc[voice].keyon_byte = data; - opl3_command (map->ioaddr, KEYON_BLOCK + map->voice_num, data); + data = 0x20 | ((block & 0x7) << 2) | ((fnum >> 8) & 0x3); + devc->voc[voice].keyon_byte = data; + opl3_command(map->ioaddr, KEYON_BLOCK + map->voice_num, data); } -static void -opl3_controller (int dev, int voice, int ctrl_num, int value) +static void opl3_controller (int dev, int voice, int ctrl_num, int value) { - if (voice < 0 || voice >= devc->nr_voice) - return; - - switch (ctrl_num) - { - case CTRL_PITCH_BENDER: - bend_pitch (dev, voice, value); - break; - - case CTRL_PITCH_BENDER_RANGE: - devc->voc[voice].bender_range = value; - break; - - case CTL_MAIN_VOLUME: - devc->voc[voice].volume = value / 128; - break; - - case CTL_PAN: - devc->voc[voice].panning = (value * 2) - 128; - break; - } + if (voice < 0 || voice >= devc->nr_voice) + return; + + switch (ctrl_num) + { + case CTRL_PITCH_BENDER: + bend_pitch(dev, voice, value); + break; + + case CTRL_PITCH_BENDER_RANGE: + devc->voc[voice].bender_range = value; + break; + + case CTL_MAIN_VOLUME: + devc->voc[voice].volume = value / 128; + break; + + case CTL_PAN: + devc->voc[voice].panning = (value * 2) - 128; + break; + } } -static void -opl3_bender (int dev, int voice, int value) +static void opl3_bender(int dev, int voice, int value) { - if (voice < 0 || voice >= devc->nr_voice) - return; + if (voice < 0 || voice >= devc->nr_voice) + return; - bend_pitch (dev, voice, value - 8192); + bend_pitch(dev, voice, value - 8192); } -static int -opl3_alloc_voice (int dev, int chn, int note, struct voice_alloc_info *alloc) +static int opl3_alloc_voice(int dev, int chn, int note, struct voice_alloc_info *alloc) { - int i, p, best, first, avail, best_time = 0x7fffffff; - struct sbi_instrument *instr; - int is4op; - int instr_no; - - if (chn < 0 || chn > 15) - instr_no = 0; - else - instr_no = devc->chn_info[chn].pgm_num; - - instr = &devc->i_map[instr_no]; - if (instr->channel < 0 || /* Instrument not loaded */ - devc->nr_voice != 12) /* Not in 4 OP mode */ - is4op = 0; - else if (devc->nr_voice == 12) /* 4 OP mode */ - is4op = (instr->key == OPL3_PATCH); - else - is4op = 0; - - if (is4op) - { - first = p = 0; - avail = 6; - } - else - { - if (devc->nr_voice == 12) /* 4 OP mode. Use the '2 OP only' operators first */ - first = p = 6; - else - first = p = 0; - avail = devc->nr_voice; - } - - /* - * Now try to find a free voice - */ - best = first; - - for (i = 0; i < avail; i++) - { - if (alloc->map[p] == 0) + int i, p, best, first, avail, best_time = 0x7fffffff; + struct sbi_instrument *instr; + int is4op; + int instr_no; + + if (chn < 0 || chn > 15) + instr_no = 0; + else + instr_no = devc->chn_info[chn].pgm_num; + + instr = &devc->i_map[instr_no]; + if (instr->channel < 0 || /* Instrument not loaded */ + devc->nr_voice != 12) /* Not in 4 OP mode */ + is4op = 0; + else if (devc->nr_voice == 12) /* 4 OP mode */ + is4op = (instr->key == OPL3_PATCH); + else + is4op = 0; + + if (is4op) { - return p; + first = p = 0; + avail = 6; } - if (alloc->alloc_times[p] < best_time) /* Find oldest playing note */ + else + { + if (devc->nr_voice == 12) /* 4 OP mode. Use the '2 OP only' operators first */ + first = p = 6; + else + first = p = 0; + avail = devc->nr_voice; + } + + /* + * Now try to find a free voice + */ + best = first; + + for (i = 0; i < avail; i++) { - best_time = alloc->alloc_times[p]; - best = p; + if (alloc->map[p] == 0) + { + return p; + } + if (alloc->alloc_times[p] < best_time) /* Find oldest playing note */ + { + best_time = alloc->alloc_times[p]; + best = p; + } + p = (p + 1) % avail; } - p = (p + 1) % avail; - } - /* - * Insert some kind of priority mechanism here. - */ + /* + * Insert some kind of priority mechanism here. + */ - if (best < 0) - best = 0; - if (best > devc->nr_voice) - best -= devc->nr_voice; + if (best < 0) + best = 0; + if (best > devc->nr_voice) + best -= devc->nr_voice; - return best; /* All devc->voc in use. Select the first one. */ + return best; /* All devc->voc in use. Select the first one. */ } -static void -opl3_setup_voice (int dev, int voice, int chn) +static void opl3_setup_voice(int dev, int voice, int chn) { - struct channel_info *info = - &synth_devs[dev]->chn_info[chn]; + struct channel_info *info = + &synth_devs[dev]->chn_info[chn]; - opl3_set_instr (dev, voice, - info->pgm_num); + opl3_set_instr(dev, voice, info->pgm_num); - devc->voc[voice].bender = 0; - devc->voc[voice].bender_range = info->bender_range; - devc->voc[voice].volume = - info->controllers[CTL_MAIN_VOLUME]; - devc->voc[voice].panning = (info->controllers[CTL_PAN] * 2) - 128; + devc->voc[voice].bender = 0; + devc->voc[voice].bender_range = info->bender_range; + devc->voc[voice].volume = info->controllers[CTL_MAIN_VOLUME]; + devc->voc[voice].panning = (info->controllers[CTL_PAN] * 2) - 128; } static struct synth_operations opl3_operations = { - "OPL", - NULL, - 0, - SYNTH_TYPE_FM, - FM_TYPE_ADLIB, - opl3_open, - opl3_close, - opl3_ioctl, - opl3_kill_note, - opl3_start_note, - opl3_set_instr, - opl3_reset, - opl3_hw_control, - opl3_load_patch, - opl3_aftertouch, - opl3_controller, - opl3_panning, - opl3_volume_method, - opl3_bender, - opl3_alloc_voice, - opl3_setup_voice + "OPL", + NULL, + 0, + SYNTH_TYPE_FM, + FM_TYPE_ADLIB, + opl3_open, + opl3_close, + opl3_ioctl, + opl3_kill_note, + opl3_start_note, + opl3_set_instr, + opl3_reset, + opl3_hw_control, + opl3_load_patch, + opl3_aftertouch, + opl3_controller, + opl3_panning, + opl3_volume_method, + opl3_bender, + opl3_alloc_voice, + opl3_setup_voice }; -void -opl3_init (int ioaddr, int *osp) +int opl3_init(int ioaddr, int *osp) { - int i; - - if (num_synths >= MAX_SYNTH_DEV) - { - printk ("OPL3 Error: Too many synthesizers\n"); - return; - } - - if (devc == NULL) - { - printk ("OPL3: Device control structure not initialized.\n"); - return; - } - - memset ((char *) devc, 0x00, sizeof (*devc)); - devc->osp = osp; - devc->base = ioaddr; - - devc->nr_voice = 9; - strcpy (devc->fm_info.name, "OPL2"); - - devc->fm_info.device = 0; - devc->fm_info.synth_type = SYNTH_TYPE_FM; - devc->fm_info.synth_subtype = FM_TYPE_ADLIB; - devc->fm_info.perc_mode = 0; - devc->fm_info.nr_voices = 9; - devc->fm_info.nr_drums = 0; - devc->fm_info.instr_bank_size = SBFM_MAXINSTR; - devc->fm_info.capabilities = 0; - devc->left_io = ioaddr; - devc->right_io = ioaddr + 2; - - if (detected_model <= 2) - devc->model = 1; - else - { - devc->model = 2; - if (detected_model == 4) - devc->is_opl4 = 1; - } - - opl3_operations.info = &devc->fm_info; - - synth_devs[num_synths++] = &opl3_operations; - sequencer_init (); - devc->v_alloc = &opl3_operations.alloc; - devc->chn_info = &opl3_operations.chn_info[0]; - - if (devc->model == 2) - { - if (devc->is_opl4) - conf_printf2 ("Yamaha OPL4/OPL3 FM", ioaddr, 0, -1, -1); - else - conf_printf2 ("Yamaha OPL3 FM", ioaddr, 0, -1, -1); - - devc->v_alloc->max_voice = devc->nr_voice = 18; - devc->fm_info.nr_drums = 0; - devc->fm_info.synth_subtype = FM_TYPE_OPL3; - devc->fm_info.capabilities |= SYNTH_CAP_OPL3; - strcpy (devc->fm_info.name, "Yamaha OPL-3"); - - for (i = 0; i < 18; i++) - if (pv_map[i].ioaddr == USE_LEFT) - pv_map[i].ioaddr = devc->left_io; + int i; + int me; + + if (devc == NULL) + { + printk(KERN_ERR "opl3_init: Device control structure not initialized.\n"); + return -1; + } + + if ((me = sound_alloc_synthdev()) == -1) + { + printk(KERN_WARNING "opl3: Too many synthesizers\n"); + return -1; + } + + memset((char *) devc, 0x00, sizeof(*devc)); + devc->osp = osp; + devc->base = ioaddr; + + devc->nr_voice = 9; + strcpy(devc->fm_info.name, "OPL2"); + + devc->fm_info.device = 0; + devc->fm_info.synth_type = SYNTH_TYPE_FM; + devc->fm_info.synth_subtype = FM_TYPE_ADLIB; + devc->fm_info.perc_mode = 0; + devc->fm_info.nr_voices = 9; + devc->fm_info.nr_drums = 0; + devc->fm_info.instr_bank_size = SBFM_MAXINSTR; + devc->fm_info.capabilities = 0; + devc->left_io = ioaddr; + devc->right_io = ioaddr + 2; + + if (detected_model <= 2) + devc->model = 1; + else + { + devc->model = 2; + if (detected_model == 4) + devc->is_opl4 = 1; + } + + opl3_operations.info = &devc->fm_info; + + synth_devs[me] = &opl3_operations; + sequencer_init(); + devc->v_alloc = &opl3_operations.alloc; + devc->chn_info = &opl3_operations.chn_info[0]; + + if (devc->model == 2) + { + if (devc->is_opl4) + conf_printf2("Yamaha OPL4/OPL3 FM", ioaddr, 0, -1, -1); + else + conf_printf2("Yamaha OPL3 FM", ioaddr, 0, -1, -1); + + devc->v_alloc->max_voice = devc->nr_voice = 18; + devc->fm_info.nr_drums = 0; + devc->fm_info.synth_subtype = FM_TYPE_OPL3; + devc->fm_info.capabilities |= SYNTH_CAP_OPL3; + strcpy(devc->fm_info.name, "Yamaha OPL-3"); + + for (i = 0; i < 18; i++) + { + if (pv_map[i].ioaddr == USE_LEFT) + pv_map[i].ioaddr = devc->left_io; + else + pv_map[i].ioaddr = devc->right_io; + } + opl3_command(devc->right_io, OPL3_MODE_REGISTER, OPL3_ENABLE); + opl3_command(devc->right_io, CONNECTION_SELECT_REGISTER, 0x00); + } else - pv_map[i].ioaddr = devc->right_io; + { + conf_printf2("Yamaha OPL2 FM", ioaddr, 0, -1, -1); + devc->v_alloc->max_voice = devc->nr_voice = 9; + devc->fm_info.nr_drums = 0; + + for (i = 0; i < 18; i++) + pv_map[i].ioaddr = devc->left_io; + }; + + for (i = 0; i < SBFM_MAXINSTR; i++) + devc->i_map[i].channel = -1; + + return me; +} - opl3_command (devc->right_io, OPL3_MODE_REGISTER, OPL3_ENABLE); - opl3_command (devc->right_io, CONNECTION_SELECT_REGISTER, 0x00); - } - else - { - conf_printf2 ("Yamaha OPL2 FM", ioaddr, 0, -1, -1); - devc->v_alloc->max_voice = devc->nr_voice = 9; - devc->fm_info.nr_drums = 0; +#ifdef MODULE - for (i = 0; i < 18; i++) - pv_map[i].ioaddr = devc->left_io; - }; +/* + * We provide OPL3 functions. + */ - for (i = 0; i < SBFM_MAXINSTR; i++) - devc->i_map[i].channel = -1; +int io = -1; +int me; +int init_module (void) +{ + printk("YM3812 and OPL-3 driver Copyright (C) by Hannu Savolainen, Rob Hooft 1993-1996\n"); + if (io != -1) /* User loading pure OPL3 module */ + { + if (!opl3_detect(io, NULL)) + { + return -ENODEV; + } + me = opl3_init(io, NULL); + } + SOUND_LOCK; + return 0; } +void cleanup_module(void) +{ + if (devc) + { + vfree(devc); + devc = NULL; + sound_unload_synthdev(me); + } + SOUND_LOCK_END; +} + +#else + #endif +#endif + +EXPORT_SYMBOL(opl3_init); +EXPORT_SYMBOL(opl3_detect); +MODULE_PARM(io, "i"); |