--- /dev/null
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Creative Labs, Inc.
+ * Routines for control of EMU10K1 chips / PCM routines
+ * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
+ *
+ * BUGS:
+ * --
+ *
+ * TODO:
+ * --
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/init.h>
+#include <sound/core.h>
+#include <sound/emu10k1.h>
+
+static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_voice *voice)
+{
+ struct snd_emu10k1_pcm *epcm;
+
+ if ((epcm = voice->epcm) == NULL)
+ return;
+ if (epcm->substream == NULL)
+ return;
+#if 0
+ dev_dbg(emu->card->dev,
+ "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
+ epcm->substream->runtime->hw->pointer(emu, epcm->substream),
+ snd_pcm_lib_period_bytes(epcm->substream),
+ snd_pcm_lib_buffer_bytes(epcm->substream));
+#endif
+ snd_pcm_period_elapsed(epcm->substream);
+}
+
+static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
+ unsigned int status)
+{
+#if 0
+ if (status & IPR_ADCBUFHALFFULL) {
+ if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
+ return;
+ }
+#endif
+ snd_pcm_period_elapsed(emu->pcm_capture_substream);
+}
+
+static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
+ unsigned int status)
+{
+#if 0
+ if (status & IPR_MICBUFHALFFULL) {
+ if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
+ return;
+ }
+#endif
+ snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
+}
+
+static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
+ unsigned int status)
+{
+#if 0
+ if (status & IPR_EFXBUFHALFFULL) {
+ if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
+ return;
+ }
+#endif
+ snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
+}
+
+static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ unsigned int ptr;
+
+ if (!epcm->running)
+ return 0;
+ ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
+ ptr += runtime->buffer_size;
+ ptr -= epcm->ccca_start_addr;
+ ptr %= runtime->buffer_size;
+
+ return ptr;
+}
+
+static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
+{
+ int err, i;
+
+ if (epcm->voices[1] != NULL && voices < 2) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
+ epcm->voices[1] = NULL;
+ }
+ for (i = 0; i < voices; i++) {
+ if (epcm->voices[i] == NULL)
+ break;
+ }
+ if (i == voices)
+ return 0; /* already allocated */
+
+ for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
+ if (epcm->voices[i]) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
+ epcm->voices[i] = NULL;
+ }
+ }
+ err = snd_emu10k1_voice_alloc(epcm->emu,
+ epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
+ voices,
+ &epcm->voices[0]);
+
+ if (err < 0)
+ return err;
+ epcm->voices[0]->epcm = epcm;
+ if (voices > 1) {
+ for (i = 1; i < voices; i++) {
+ epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
+ epcm->voices[i]->epcm = epcm;
+ }
+ }
+ if (epcm->extra == NULL) {
+ err = snd_emu10k1_voice_alloc(epcm->emu,
+ epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
+ 1,
+ &epcm->extra);
+ if (err < 0) {
+ /*
+ dev_dbg(emu->card->dev, "pcm_channel_alloc: "
+ "failed extra: voices=%d, frame=%d\n",
+ voices, frame);
+ */
+ for (i = 0; i < voices; i++) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
+ epcm->voices[i] = NULL;
+ }
+ return err;
+ }
+ epcm->extra->epcm = epcm;
+ epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
+ }
+ return 0;
+}
+
+static unsigned int capture_period_sizes[31] = {
+ 384, 448, 512, 640,
+ 384*2, 448*2, 512*2, 640*2,
+ 384*4, 448*4, 512*4, 640*4,
+ 384*8, 448*8, 512*8, 640*8,
+ 384*16, 448*16, 512*16, 640*16,
+ 384*32, 448*32, 512*32, 640*32,
+ 384*64, 448*64, 512*64, 640*64,
+ 384*128,448*128,512*128
+};
+
+static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
+ .count = 31,
+ .list = capture_period_sizes,
+ .mask = 0
+};
+
+static unsigned int capture_rates[8] = {
+ 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
+};
+
+static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
+ .count = 8,
+ .list = capture_rates,
+ .mask = 0
+};
+
+static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
+{
+ switch (rate) {
+ case 8000: return ADCCR_SAMPLERATE_8;
+ case 11025: return ADCCR_SAMPLERATE_11;
+ case 16000: return ADCCR_SAMPLERATE_16;
+ case 22050: return ADCCR_SAMPLERATE_22;
+ case 24000: return ADCCR_SAMPLERATE_24;
+ case 32000: return ADCCR_SAMPLERATE_32;
+ case 44100: return ADCCR_SAMPLERATE_44;
+ case 48000: return ADCCR_SAMPLERATE_48;
+ default:
+ snd_BUG();
+ return ADCCR_SAMPLERATE_8;
+ }
+}
+
+static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
+{
+ switch (rate) {
+ case 8000: return A_ADCCR_SAMPLERATE_8;
+ case 11025: return A_ADCCR_SAMPLERATE_11;
+ case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
+ case 16000: return ADCCR_SAMPLERATE_16;
+ case 22050: return ADCCR_SAMPLERATE_22;
+ case 24000: return ADCCR_SAMPLERATE_24;
+ case 32000: return ADCCR_SAMPLERATE_32;
+ case 44100: return ADCCR_SAMPLERATE_44;
+ case 48000: return ADCCR_SAMPLERATE_48;
+ default:
+ snd_BUG();
+ return A_ADCCR_SAMPLERATE_8;
+ }
+}
+
+static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
+{
+ unsigned int pitch_target;
+
+ pitch_target = (rate << 8) / 375;
+ pitch_target = (pitch_target >> 1) + (pitch_target & 1);
+ return pitch_target;
+}
+
+#define PITCH_48000 0x00004000
+#define PITCH_96000 0x00008000
+#define PITCH_85000 0x00007155
+#define PITCH_80726 0x00006ba2
+#define PITCH_67882 0x00005a82
+#define PITCH_57081 0x00004c1c
+
+static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
+{
+ if (pitch_target == PITCH_48000)
+ return CCCA_INTERPROM_0;
+ else if (pitch_target < PITCH_48000)
+ return CCCA_INTERPROM_1;
+ else if (pitch_target >= PITCH_96000)
+ return CCCA_INTERPROM_0;
+ else if (pitch_target >= PITCH_85000)
+ return CCCA_INTERPROM_6;
+ else if (pitch_target >= PITCH_80726)
+ return CCCA_INTERPROM_5;
+ else if (pitch_target >= PITCH_67882)
+ return CCCA_INTERPROM_4;
+ else if (pitch_target >= PITCH_57081)
+ return CCCA_INTERPROM_3;
+ else
+ return CCCA_INTERPROM_2;
+}
+
+/*
+ * calculate cache invalidate size
+ *
+ * stereo: channel is stereo
+ * w_16: using 16bit samples
+ *
+ * returns: cache invalidate size in samples
+ */
+static inline int emu10k1_ccis(int stereo, int w_16)
+{
+ if (w_16) {
+ return stereo ? 24 : 26;
+ } else {
+ return stereo ? 24*2 : 26*2;
+ }
+}
+
+static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
+ int master, int extra,
+ struct snd_emu10k1_voice *evoice,
+ unsigned int start_addr,
+ unsigned int end_addr,
+ struct snd_emu10k1_pcm_mixer *mix)
+{
+ struct snd_pcm_substream *substream = evoice->epcm->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int silent_page, tmp;
+ int voice, stereo, w_16;
+ unsigned char attn, send_amount[8];
+ unsigned char send_routing[8];
+ unsigned long flags;
+ unsigned int pitch_target;
+ unsigned int ccis;
+
+ voice = evoice->number;
+ stereo = runtime->channels == 2;
+ w_16 = snd_pcm_format_width(runtime->format) == 16;
+
+ if (!extra && stereo) {
+ start_addr >>= 1;
+ end_addr >>= 1;
+ }
+ if (w_16) {
+ start_addr >>= 1;
+ end_addr >>= 1;
+ }
+
+ spin_lock_irqsave(&emu->reg_lock, flags);
+
+ /* volume parameters */
+ if (extra) {
+ attn = 0;
+ memset(send_routing, 0, sizeof(send_routing));
+ send_routing[0] = 0;
+ send_routing[1] = 1;
+ send_routing[2] = 2;
+ send_routing[3] = 3;
+ memset(send_amount, 0, sizeof(send_amount));
+ } else {
+ /* mono, left, right (master voice = left) */
+ tmp = stereo ? (master ? 1 : 2) : 0;
+ memcpy(send_routing, &mix->send_routing[tmp][0], 8);
+ memcpy(send_amount, &mix->send_volume[tmp][0], 8);
+ }
+
+ ccis = emu10k1_ccis(stereo, w_16);
+
+ if (master) {
+ evoice->epcm->ccca_start_addr = start_addr + ccis;
+ if (extra) {
+ start_addr += ccis;
+ end_addr += ccis + emu->delay_pcm_irq;
+ }
+ if (stereo && !extra) {
+ snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
+ snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
+ } else {
+ snd_emu10k1_ptr_write(emu, CPF, voice, 0);
+ }
+ }
+
+ /* setup routing */
+ if (emu->audigy) {
+ snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
+ snd_emu10k1_compose_audigy_fxrt1(send_routing));
+ snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
+ snd_emu10k1_compose_audigy_fxrt2(send_routing));
+ snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
+ ((unsigned int)send_amount[4] << 24) |
+ ((unsigned int)send_amount[5] << 16) |
+ ((unsigned int)send_amount[6] << 8) |
+ (unsigned int)send_amount[7]);
+ } else
+ snd_emu10k1_ptr_write(emu, FXRT, voice,
+ snd_emu10k1_compose_send_routing(send_routing));
+ /* Stop CA */
+ /* Assumption that PT is already 0 so no harm overwriting */
+ snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
+ snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
+ snd_emu10k1_ptr_write(emu, PSST, voice,
+ (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
+ (send_amount[2] << 24));
+ if (emu->card_capabilities->emu_model)
+ pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
+ else
+ pitch_target = emu10k1_calc_pitch_target(runtime->rate);
+ if (extra)
+ snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
+ emu10k1_select_interprom(pitch_target) |
+ (w_16 ? 0 : CCCA_8BITSELECT));
+ else
+ snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
+ emu10k1_select_interprom(pitch_target) |
+ (w_16 ? 0 : CCCA_8BITSELECT));
+ /* Clear filter delay memory */
+ snd_emu10k1_ptr_write(emu, Z1, voice, 0);
+ snd_emu10k1_ptr_write(emu, Z2, voice, 0);
+ /* invalidate maps */
+ silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
+ snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
+ snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
+ /* modulation envelope */
+ snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
+ snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
+ snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
+ snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
+ snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
+ snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
+ snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
+ snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
+ snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
+ snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
+ /* volume envelope */
+ snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
+ snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
+ /* filter envelope */
+ snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
+ /* pitch envelope */
+ snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
+
+ spin_unlock_irqrestore(&emu->reg_lock, flags);
+}
+
+static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ int err;
+
+ if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
+ return err;
+ if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
+ return err;
+ if (err > 0) { /* change */
+ int mapped;
+ if (epcm->memblk != NULL)
+ snd_emu10k1_free_pages(emu, epcm->memblk);
+ epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
+ epcm->start_addr = 0;
+ if (! epcm->memblk)
+ return -ENOMEM;
+ mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
+ if (mapped < 0)
+ return -ENOMEM;
+ epcm->start_addr = mapped << PAGE_SHIFT;
+ }
+ return 0;
+}
+
+static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm;
+
+ if (runtime->private_data == NULL)
+ return 0;
+ epcm = runtime->private_data;
+ if (epcm->extra) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->extra);
+ epcm->extra = NULL;
+ }
+ if (epcm->voices[1]) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
+ epcm->voices[1] = NULL;
+ }
+ if (epcm->voices[0]) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
+ epcm->voices[0] = NULL;
+ }
+ if (epcm->memblk) {
+ snd_emu10k1_free_pages(emu, epcm->memblk);
+ epcm->memblk = NULL;
+ epcm->start_addr = 0;
+ }
+ snd_pcm_lib_free_pages(substream);
+ return 0;
+}
+
+static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm;
+ int i;
+
+ if (runtime->private_data == NULL)
+ return 0;
+ epcm = runtime->private_data;
+ if (epcm->extra) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->extra);
+ epcm->extra = NULL;
+ }
+ for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
+ if (epcm->voices[i]) {
+ snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
+ epcm->voices[i] = NULL;
+ }
+ }
+ if (epcm->memblk) {
+ snd_emu10k1_free_pages(emu, epcm->memblk);
+ epcm->memblk = NULL;
+ epcm->start_addr = 0;
+ }
+ snd_pcm_lib_free_pages(substream);
+ return 0;
+}
+
+static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ unsigned int start_addr, end_addr;
+
+ start_addr = epcm->start_addr;
+ end_addr = snd_pcm_lib_period_bytes(substream);
+ if (runtime->channels == 2) {
+ start_addr >>= 1;
+ end_addr >>= 1;
+ }
+ end_addr += start_addr;
+ snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
+ start_addr, end_addr, NULL);
+ start_addr = epcm->start_addr;
+ end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
+ snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
+ start_addr, end_addr,
+ &emu->pcm_mixer[substream->number]);
+ if (epcm->voices[1])
+ snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
+ start_addr, end_addr,
+ &emu->pcm_mixer[substream->number]);
+ return 0;
+}
+
+static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ unsigned int start_addr, end_addr;
+ unsigned int channel_size;
+ int i;
+
+ start_addr = epcm->start_addr;
+ end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
+
+ /*
+ * the kX driver leaves some space between voices
+ */
+ channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
+
+ snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
+ start_addr, start_addr + (channel_size / 2), NULL);
+
+ /* only difference with the master voice is we use it for the pointer */
+ snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
+ start_addr, start_addr + channel_size,
+ &emu->efx_pcm_mixer[0]);
+
+ start_addr += channel_size;
+ for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
+ snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
+ start_addr, start_addr + channel_size,
+ &emu->efx_pcm_mixer[i]);
+ start_addr += channel_size;
+ }
+
+ return 0;
+}
+
+static struct snd_pcm_hardware snd_emu10k1_efx_playback =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .channels_min = NUM_EFX_PLAYBACK,
+ .channels_max = NUM_EFX_PLAYBACK,
+ .buffer_bytes_max = (64*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (64*1024),
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0,
+};
+
+static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+}
+
+static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_lib_free_pages(substream);
+}
+
+static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ int idx;
+
+ /* zeroing the buffer size will stop capture */
+ snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
+ switch (epcm->type) {
+ case CAPTURE_AC97ADC:
+ snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
+ break;
+ case CAPTURE_EFX:
+ if (emu->audigy) {
+ snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
+ snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
+ } else
+ snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
+ break;
+ default:
+ break;
+ }
+ snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
+ epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
+ epcm->capture_bs_val = 0;
+ for (idx = 0; idx < 31; idx++) {
+ if (capture_period_sizes[idx] == epcm->capture_bufsize) {
+ epcm->capture_bs_val = idx + 1;
+ break;
+ }
+ }
+ if (epcm->capture_bs_val == 0) {
+ snd_BUG();
+ epcm->capture_bs_val++;
+ }
+ if (epcm->type == CAPTURE_AC97ADC) {
+ epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
+ if (runtime->channels > 1)
+ epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
+ epcm->capture_cr_val |= emu->audigy ?
+ snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
+ snd_emu10k1_capture_rate_reg(runtime->rate);
+ }
+ return 0;
+}
+
+static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
+{
+ struct snd_pcm_runtime *runtime;
+ unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
+
+ if (evoice == NULL)
+ return;
+ runtime = evoice->epcm->substream->runtime;
+ voice = evoice->number;
+ stereo = (!extra && runtime->channels == 2);
+ sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
+ ccis = emu10k1_ccis(stereo, sample == 0);
+ /* set cs to 2 * number of cache registers beside the invalidated */
+ cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
+ if (cs > 16) cs = 16;
+ for (i = 0; i < cs; i++) {
+ snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
+ if (stereo) {
+ snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
+ }
+ }
+ /* reset cache */
+ snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
+ snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
+ if (stereo) {
+ snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
+ snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
+ }
+ /* fill cache */
+ snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
+ if (stereo) {
+ snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
+ }
+}
+
+static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
+ int master, int extra,
+ struct snd_emu10k1_pcm_mixer *mix)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ unsigned int attn, vattn;
+ unsigned int voice, tmp;
+
+ if (evoice == NULL) /* skip second voice for mono */
+ return;
+ substream = evoice->epcm->substream;
+ runtime = substream->runtime;
+ voice = evoice->number;
+
+ attn = extra ? 0 : 0x00ff;
+ tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
+ vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
+ snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
+ snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
+ snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
+ snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
+ snd_emu10k1_voice_clear_loop_stop(emu, voice);
+}
+
+static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ unsigned int voice, pitch, pitch_target;
+
+ if (evoice == NULL) /* skip second voice for mono */
+ return;
+ substream = evoice->epcm->substream;
+ runtime = substream->runtime;
+ voice = evoice->number;
+
+ pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
+ if (emu->card_capabilities->emu_model)
+ pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
+ else
+ pitch_target = emu10k1_calc_pitch_target(runtime->rate);
+ snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
+ if (master || evoice->epcm->type == PLAYBACK_EFX)
+ snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
+ snd_emu10k1_ptr_write(emu, IP, voice, pitch);
+ if (extra)
+ snd_emu10k1_voice_intr_enable(emu, voice);
+}
+
+static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
+{
+ unsigned int voice;
+
+ if (evoice == NULL)
+ return;
+ voice = evoice->number;
+ snd_emu10k1_voice_intr_disable(emu, voice);
+ snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
+ snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
+ snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
+ snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
+ snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
+ snd_emu10k1_ptr_write(emu, IP, voice, 0);
+}
+
+static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_pcm *epcm,
+ struct snd_pcm_substream *substream,
+ struct snd_pcm_runtime *runtime)
+{
+ unsigned int ptr, period_pos;
+
+ /* try to sychronize the current position for the interrupt
+ source voice */
+ period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
+ period_pos %= runtime->period_size;
+ ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
+ ptr &= ~0x00ffffff;
+ ptr |= epcm->ccca_start_addr + period_pos;
+ snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
+}
+
+static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ struct snd_emu10k1_pcm_mixer *mix;
+ int result = 0;
+
+ /*
+ dev_dbg(emu->card->dev,
+ "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
+ (int)emu, cmd, substream->ops->pointer(substream))
+ */
+ spin_lock(&emu->reg_lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */
+ snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
+ /* follow thru */
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
+ snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
+ mix = &emu->pcm_mixer[substream->number];
+ snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
+ snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
+ snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
+ snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
+ snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
+ snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
+ epcm->running = 1;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ epcm->running = 0;
+ snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
+ snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
+ snd_emu10k1_playback_stop_voice(emu, epcm->extra);
+ break;
+ default:
+ result = -EINVAL;
+ break;
+ }
+ spin_unlock(&emu->reg_lock);
+ return result;
+}
+
+static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ int result = 0;
+
+ spin_lock(&emu->reg_lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ /* hmm this should cause full and half full interrupt to be raised? */
+ outl(epcm->capture_ipr, emu->port + IPR);
+ snd_emu10k1_intr_enable(emu, epcm->capture_inte);
+ /*
+ dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
+ epcm->adccr, epcm->adcbs);
+ */
+ switch (epcm->type) {
+ case CAPTURE_AC97ADC:
+ snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
+ break;
+ case CAPTURE_EFX:
+ if (emu->audigy) {
+ snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
+ snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
+ dev_dbg(emu->card->dev,
+ "cr_val=0x%x, cr_val2=0x%x\n",
+ epcm->capture_cr_val,
+ epcm->capture_cr_val2);
+ } else
+ snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
+ break;
+ default:
+ break;
+ }
+ snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
+ epcm->running = 1;
+ epcm->first_ptr = 1;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ epcm->running = 0;
+ snd_emu10k1_intr_disable(emu, epcm->capture_inte);
+ outl(epcm->capture_ipr, emu->port + IPR);
+ snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
+ switch (epcm->type) {
+ case CAPTURE_AC97ADC:
+ snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
+ break;
+ case CAPTURE_EFX:
+ if (emu->audigy) {
+ snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
+ snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
+ } else
+ snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ result = -EINVAL;
+ }
+ spin_unlock(&emu->reg_lock);
+ return result;
+}
+
+static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ unsigned int ptr;
+
+ if (!epcm->running)
+ return 0;
+ ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
+#if 0 /* Perex's code */
+ ptr += runtime->buffer_size;
+ ptr -= epcm->ccca_start_addr;
+ ptr %= runtime->buffer_size;
+#else /* EMU10K1 Open Source code from Creative */
+ if (ptr < epcm->ccca_start_addr)
+ ptr += runtime->buffer_size - epcm->ccca_start_addr;
+ else {
+ ptr -= epcm->ccca_start_addr;
+ if (ptr >= runtime->buffer_size)
+ ptr -= runtime->buffer_size;
+ }
+#endif
+ /*
+ dev_dbg(emu->card->dev,
+ "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
+ (long)ptr, (long)runtime->buffer_size,
+ (long)runtime->period_size);
+ */
+ return ptr;
+}
+
+
+static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ int i;
+ int result = 0;
+
+ spin_lock(&emu->reg_lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ /* prepare voices */
+ for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
+ snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
+ }
+ snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
+
+ /* follow thru */
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
+ snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
+ &emu->efx_pcm_mixer[0]);
+ for (i = 1; i < NUM_EFX_PLAYBACK; i++)
+ snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
+ &emu->efx_pcm_mixer[i]);
+ snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
+ snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
+ for (i = 1; i < NUM_EFX_PLAYBACK; i++)
+ snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
+ epcm->running = 1;
+ break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ epcm->running = 0;
+ for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
+ snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
+ }
+ snd_emu10k1_playback_stop_voice(emu, epcm->extra);
+ break;
+ default:
+ result = -EINVAL;
+ break;
+ }
+ spin_unlock(&emu->reg_lock);
+ return result;
+}
+
+
+static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ unsigned int ptr;
+
+ if (!epcm->running)
+ return 0;
+ if (epcm->first_ptr) {
+ udelay(50); /* hack, it takes awhile until capture is started */
+ epcm->first_ptr = 0;
+ }
+ ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
+ return bytes_to_frames(runtime, ptr);
+}
+
+/*
+ * Playback support device description
+ */
+
+static struct snd_pcm_hardware snd_emu10k1_playback =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
+ .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
+ .rate_min = 4000,
+ .rate_max = 96000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (128*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (128*1024),
+ .periods_min = 1,
+ .periods_max = 1024,
+ .fifo_size = 0,
+};
+
+/*
+ * Capture support device description
+ */
+
+static struct snd_pcm_hardware snd_emu10k1_capture =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (64*1024),
+ .period_bytes_min = 384,
+ .period_bytes_max = (64*1024),
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0,
+};
+
+static struct snd_pcm_hardware snd_emu10k1_capture_efx =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
+ SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
+ .rate_min = 44100,
+ .rate_max = 192000,
+ .channels_min = 8,
+ .channels_max = 8,
+ .buffer_bytes_max = (64*1024),
+ .period_bytes_min = 384,
+ .period_bytes_max = (64*1024),
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0,
+};
+
+/*
+ *
+ */
+
+static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
+{
+ struct snd_ctl_elem_id id;
+
+ if (! kctl)
+ return;
+ if (activate)
+ kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ else
+ kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ snd_ctl_build_ioff(&id, kctl, idx));
+}
+
+static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
+{
+ snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
+ snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
+ snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
+}
+
+static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
+{
+ snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
+ snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
+ snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
+}
+
+static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
+{
+ kfree(runtime->private_data);
+}
+
+static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_pcm_mixer *mix;
+ int i;
+
+ for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
+ mix = &emu->efx_pcm_mixer[i];
+ mix->epcm = NULL;
+ snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
+ }
+ return 0;
+}
+
+static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_pcm *epcm;
+ struct snd_emu10k1_pcm_mixer *mix;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int i;
+
+ epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
+ if (epcm == NULL)
+ return -ENOMEM;
+ epcm->emu = emu;
+ epcm->type = PLAYBACK_EFX;
+ epcm->substream = substream;
+
+ emu->pcm_playback_efx_substream = substream;
+
+ runtime->private_data = epcm;
+ runtime->private_free = snd_emu10k1_pcm_free_substream;
+ runtime->hw = snd_emu10k1_efx_playback;
+
+ for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
+ mix = &emu->efx_pcm_mixer[i];
+ mix->send_routing[0][0] = i;
+ memset(&mix->send_volume, 0, sizeof(mix->send_volume));
+ mix->send_volume[0][0] = 255;
+ mix->attn[0] = 0xffff;
+ mix->epcm = epcm;
+ snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
+ }
+ return 0;
+}
+
+static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_pcm *epcm;
+ struct snd_emu10k1_pcm_mixer *mix;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int i, err, sample_rate;
+
+ epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
+ if (epcm == NULL)
+ return -ENOMEM;
+ epcm->emu = emu;
+ epcm->type = PLAYBACK_EMUVOICE;
+ epcm->substream = substream;
+ runtime->private_data = epcm;
+ runtime->private_free = snd_emu10k1_pcm_free_substream;
+ runtime->hw = snd_emu10k1_playback;
+ if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
+ kfree(epcm);
+ return err;
+ }
+ if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
+ kfree(epcm);
+ return err;
+ }
+ if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
+ sample_rate = 44100;
+ else
+ sample_rate = 48000;
+ err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
+ if (err < 0) {
+ kfree(epcm);
+ return err;
+ }
+ mix = &emu->pcm_mixer[substream->number];
+ for (i = 0; i < 4; i++)
+ mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
+ memset(&mix->send_volume, 0, sizeof(mix->send_volume));
+ mix->send_volume[0][0] = mix->send_volume[0][1] =
+ mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
+ mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
+ mix->epcm = epcm;
+ snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
+ return 0;
+}
+
+static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
+
+ mix->epcm = NULL;
+ snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
+ return 0;
+}
+
+static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_pcm *epcm;
+
+ epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
+ if (epcm == NULL)
+ return -ENOMEM;
+ epcm->emu = emu;
+ epcm->type = CAPTURE_AC97ADC;
+ epcm->substream = substream;
+ epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
+ epcm->capture_inte = INTE_ADCBUFENABLE;
+ epcm->capture_ba_reg = ADCBA;
+ epcm->capture_bs_reg = ADCBS;
+ epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
+ runtime->private_data = epcm;
+ runtime->private_free = snd_emu10k1_pcm_free_substream;
+ runtime->hw = snd_emu10k1_capture;
+ emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
+ emu->pcm_capture_substream = substream;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
+ return 0;
+}
+
+static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+
+ emu->capture_interrupt = NULL;
+ emu->pcm_capture_substream = NULL;
+ return 0;
+}
+
+static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_pcm *epcm;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
+ if (epcm == NULL)
+ return -ENOMEM;
+ epcm->emu = emu;
+ epcm->type = CAPTURE_AC97MIC;
+ epcm->substream = substream;
+ epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
+ epcm->capture_inte = INTE_MICBUFENABLE;
+ epcm->capture_ba_reg = MICBA;
+ epcm->capture_bs_reg = MICBS;
+ epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
+ substream->runtime->private_data = epcm;
+ substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
+ runtime->hw = snd_emu10k1_capture;
+ runtime->hw.rates = SNDRV_PCM_RATE_8000;
+ runtime->hw.rate_min = runtime->hw.rate_max = 8000;
+ runtime->hw.channels_min = 1;
+ emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
+ emu->pcm_capture_mic_substream = substream;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
+ return 0;
+}
+
+static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+
+ emu->capture_interrupt = NULL;
+ emu->pcm_capture_mic_substream = NULL;
+ return 0;
+}
+
+static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_pcm *epcm;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int nefx = emu->audigy ? 64 : 32;
+ int idx;
+
+ epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
+ if (epcm == NULL)
+ return -ENOMEM;
+ epcm->emu = emu;
+ epcm->type = CAPTURE_EFX;
+ epcm->substream = substream;
+ epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
+ epcm->capture_inte = INTE_EFXBUFENABLE;
+ epcm->capture_ba_reg = FXBA;
+ epcm->capture_bs_reg = FXBS;
+ epcm->capture_idx_reg = FXIDX;
+ substream->runtime->private_data = epcm;
+ substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
+ runtime->hw = snd_emu10k1_capture_efx;
+ runtime->hw.rates = SNDRV_PCM_RATE_48000;
+ runtime->hw.rate_min = runtime->hw.rate_max = 48000;
+ spin_lock_irq(&emu->reg_lock);
+ if (emu->card_capabilities->emu_model) {
+ /* Nb. of channels has been increased to 16 */
+ /* TODO
+ * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
+ * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+ * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
+ * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
+ * rate_min = 44100,
+ * rate_max = 192000,
+ * channels_min = 16,
+ * channels_max = 16,
+ * Need to add mixer control to fix sample rate
+ *
+ * There are 32 mono channels of 16bits each.
+ * 24bit Audio uses 2x channels over 16bit
+ * 96kHz uses 2x channels over 48kHz
+ * 192kHz uses 4x channels over 48kHz
+ * So, for 48kHz 24bit, one has 16 channels
+ * for 96kHz 24bit, one has 8 channels
+ * for 192kHz 24bit, one has 4 channels
+ *
+ */
+#if 1
+ switch (emu->emu1010.internal_clock) {
+ case 0:
+ /* For 44.1kHz */
+ runtime->hw.rates = SNDRV_PCM_RATE_44100;
+ runtime->hw.rate_min = runtime->hw.rate_max = 44100;
+ runtime->hw.channels_min =
+ runtime->hw.channels_max = 16;
+ break;
+ case 1:
+ /* For 48kHz */
+ runtime->hw.rates = SNDRV_PCM_RATE_48000;
+ runtime->hw.rate_min = runtime->hw.rate_max = 48000;
+ runtime->hw.channels_min =
+ runtime->hw.channels_max = 16;
+ break;
+ }
+#endif
+#if 0
+ /* For 96kHz */
+ runtime->hw.rates = SNDRV_PCM_RATE_96000;
+ runtime->hw.rate_min = runtime->hw.rate_max = 96000;
+ runtime->hw.channels_min = runtime->hw.channels_max = 4;
+#endif
+#if 0
+ /* For 192kHz */
+ runtime->hw.rates = SNDRV_PCM_RATE_192000;
+ runtime->hw.rate_min = runtime->hw.rate_max = 192000;
+ runtime->hw.channels_min = runtime->hw.channels_max = 2;
+#endif
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
+ /* efx_voices_mask[0] is expected to be zero
+ * efx_voices_mask[1] is expected to have 32bits set
+ */
+ } else {
+ runtime->hw.channels_min = runtime->hw.channels_max = 0;
+ for (idx = 0; idx < nefx; idx++) {
+ if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
+ runtime->hw.channels_min++;
+ runtime->hw.channels_max++;
+ }
+ }
+ }
+ epcm->capture_cr_val = emu->efx_voices_mask[0];
+ epcm->capture_cr_val2 = emu->efx_voices_mask[1];
+ spin_unlock_irq(&emu->reg_lock);
+ emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
+ emu->pcm_capture_efx_substream = substream;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
+ return 0;
+}
+
+static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+
+ emu->capture_interrupt = NULL;
+ emu->pcm_capture_efx_substream = NULL;
+ return 0;
+}
+
+static struct snd_pcm_ops snd_emu10k1_playback_ops = {
+ .open = snd_emu10k1_playback_open,
+ .close = snd_emu10k1_playback_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_emu10k1_playback_hw_params,
+ .hw_free = snd_emu10k1_playback_hw_free,
+ .prepare = snd_emu10k1_playback_prepare,
+ .trigger = snd_emu10k1_playback_trigger,
+ .pointer = snd_emu10k1_playback_pointer,
+ .page = snd_pcm_sgbuf_ops_page,
+};
+
+static struct snd_pcm_ops snd_emu10k1_capture_ops = {
+ .open = snd_emu10k1_capture_open,
+ .close = snd_emu10k1_capture_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_emu10k1_capture_hw_params,
+ .hw_free = snd_emu10k1_capture_hw_free,
+ .prepare = snd_emu10k1_capture_prepare,
+ .trigger = snd_emu10k1_capture_trigger,
+ .pointer = snd_emu10k1_capture_pointer,
+};
+
+/* EFX playback */
+static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
+ .open = snd_emu10k1_efx_playback_open,
+ .close = snd_emu10k1_efx_playback_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_emu10k1_playback_hw_params,
+ .hw_free = snd_emu10k1_efx_playback_hw_free,
+ .prepare = snd_emu10k1_efx_playback_prepare,
+ .trigger = snd_emu10k1_efx_playback_trigger,
+ .pointer = snd_emu10k1_efx_playback_pointer,
+ .page = snd_pcm_sgbuf_ops_page,
+};
+
+int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
+{
+ struct snd_pcm *pcm;
+ struct snd_pcm_substream *substream;
+ int err;
+
+ if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
+ return err;
+
+ pcm->private_data = emu;
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
+
+ pcm->info_flags = 0;
+ pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
+ strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
+ emu->pcm = pcm;
+
+ for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
+ if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
+ return err;
+
+ for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
+ snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
+
+ return 0;
+}
+
+int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
+{
+ struct snd_pcm *pcm;
+ struct snd_pcm_substream *substream;
+ int err;
+
+ if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
+ return err;
+
+ pcm->private_data = emu;
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
+
+ pcm->info_flags = 0;
+ pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
+ strcpy(pcm->name, "Multichannel Playback");
+ emu->pcm_multi = pcm;
+
+ for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
+ if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
+ return err;
+
+ return 0;
+}
+
+
+static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
+ .open = snd_emu10k1_capture_mic_open,
+ .close = snd_emu10k1_capture_mic_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_emu10k1_capture_hw_params,
+ .hw_free = snd_emu10k1_capture_hw_free,
+ .prepare = snd_emu10k1_capture_prepare,
+ .trigger = snd_emu10k1_capture_trigger,
+ .pointer = snd_emu10k1_capture_pointer,
+};
+
+int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
+{
+ struct snd_pcm *pcm;
+ int err;
+
+ if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
+ return err;
+
+ pcm->private_data = emu;
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
+
+ pcm->info_flags = 0;
+ strcpy(pcm->name, "Mic Capture");
+ emu->pcm_mic = pcm;
+
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
+
+ return 0;
+}
+
+static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ int nefx = emu->audigy ? 64 : 32;
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = nefx;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ int nefx = emu->audigy ? 64 : 32;
+ int idx;
+
+ spin_lock_irq(&emu->reg_lock);
+ for (idx = 0; idx < nefx; idx++)
+ ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
+ spin_unlock_irq(&emu->reg_lock);
+ return 0;
+}
+
+static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int nval[2], bits;
+ int nefx = emu->audigy ? 64 : 32;
+ int nefxb = emu->audigy ? 7 : 6;
+ int change, idx;
+
+ nval[0] = nval[1] = 0;
+ for (idx = 0, bits = 0; idx < nefx; idx++)
+ if (ucontrol->value.integer.value[idx]) {
+ nval[idx / 32] |= 1 << (idx % 32);
+ bits++;
+ }
+
+ for (idx = 0; idx < nefxb; idx++)
+ if (1 << idx == bits)
+ break;
+
+ if (idx >= nefxb)
+ return -EINVAL;
+
+ spin_lock_irq(&emu->reg_lock);
+ change = (nval[0] != emu->efx_voices_mask[0]) ||
+ (nval[1] != emu->efx_voices_mask[1]);
+ emu->efx_voices_mask[0] = nval[0];
+ emu->efx_voices_mask[1] = nval[1];
+ spin_unlock_irq(&emu->reg_lock);
+ return change;
+}
+
+static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "Captured FX8010 Outputs",
+ .info = snd_emu10k1_pcm_efx_voices_mask_info,
+ .get = snd_emu10k1_pcm_efx_voices_mask_get,
+ .put = snd_emu10k1_pcm_efx_voices_mask_put
+};
+
+static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
+ .open = snd_emu10k1_capture_efx_open,
+ .close = snd_emu10k1_capture_efx_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_emu10k1_capture_hw_params,
+ .hw_free = snd_emu10k1_capture_hw_free,
+ .prepare = snd_emu10k1_capture_prepare,
+ .trigger = snd_emu10k1_capture_trigger,
+ .pointer = snd_emu10k1_capture_pointer,
+};
+
+
+/* EFX playback */
+
+#define INITIAL_TRAM_SHIFT 14
+#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
+
+static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
+{
+ struct snd_pcm_substream *substream = private_data;
+ snd_pcm_period_elapsed(substream);
+}
+
+static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
+ unsigned short *dst_right,
+ unsigned short *src,
+ unsigned int count,
+ unsigned int tram_shift)
+{
+ /*
+ dev_dbg(emu->card->dev,
+ "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
+ "src = 0x%p, count = 0x%x\n",
+ dst_left, dst_right, src, count);
+ */
+ if ((tram_shift & 1) == 0) {
+ while (count--) {
+ *dst_left-- = *src++;
+ *dst_right-- = *src++;
+ }
+ } else {
+ while (count--) {
+ *dst_right-- = *src++;
+ *dst_left-- = *src++;
+ }
+ }
+}
+
+static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
+ struct snd_pcm_indirect *rec, size_t bytes)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+ unsigned int tram_size = pcm->buffer_size;
+ unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
+ unsigned int frames = bytes >> 2, count;
+ unsigned int tram_pos = pcm->tram_pos;
+ unsigned int tram_shift = pcm->tram_shift;
+
+ while (frames > tram_pos) {
+ count = tram_pos + 1;
+ snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
+ (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
+ src, count, tram_shift);
+ src += count * 2;
+ frames -= count;
+ tram_pos = (tram_size / 2) - 1;
+ tram_shift++;
+ }
+ snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
+ (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
+ src, frames, tram_shift);
+ tram_pos -= frames;
+ pcm->tram_pos = tram_pos;
+ pcm->tram_shift = tram_shift;
+}
+
+static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+
+ snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
+ return 0;
+}
+
+static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+}
+
+static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+ unsigned int i;
+
+ for (i = 0; i < pcm->channels; i++)
+ snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
+ snd_pcm_lib_free_pages(substream);
+ return 0;
+}
+
+static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+ unsigned int i;
+
+ /*
+ dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
+ "buffer_size = 0x%x (0x%x)\n",
+ emu->fx8010.etram_pages, runtime->dma_area,
+ runtime->buffer_size, runtime->buffer_size << 2);
+ */
+ memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
+ pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
+ pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+ pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
+ pcm->tram_shift = 0;
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
+ for (i = 0; i < pcm->channels; i++)
+ snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
+ return 0;
+}
+
+static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+ int result = 0;
+
+ spin_lock(&emu->reg_lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ /* follow thru */
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+#ifdef EMU10K1_SET_AC3_IEC958
+ {
+ int i;
+ for (i = 0; i < 3; i++) {
+ unsigned int bits;
+ bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+ SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
+ 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
+ snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
+ }
+ }
+#endif
+ result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
+ if (result < 0)
+ goto __err;
+ snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
+ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
+ pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
+ pcm->tram_shift = 0;
+ break;
+ default:
+ result = -EINVAL;
+ break;
+ }
+ __err:
+ spin_unlock(&emu->reg_lock);
+ return result;
+}
+
+static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+ size_t ptr; /* byte pointer */
+
+ if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
+ return 0;
+ ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
+ return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
+}
+
+static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_RESUME |
+ /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
+ .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 1,
+ .buffer_bytes_max = (128*1024),
+ .period_bytes_min = 1024,
+ .period_bytes_max = (128*1024),
+ .periods_min = 2,
+ .periods_max = 1024,
+ .fifo_size = 0,
+};
+
+static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+
+ runtime->hw = snd_emu10k1_fx8010_playback;
+ runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
+ runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
+ spin_lock_irq(&emu->reg_lock);
+ if (pcm->valid == 0) {
+ spin_unlock_irq(&emu->reg_lock);
+ return -ENODEV;
+ }
+ pcm->opened = 1;
+ spin_unlock_irq(&emu->reg_lock);
+ return 0;
+}
+
+static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
+{
+ struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
+ struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
+
+ spin_lock_irq(&emu->reg_lock);
+ pcm->opened = 0;
+ spin_unlock_irq(&emu->reg_lock);
+ return 0;
+}
+
+static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
+ .open = snd_emu10k1_fx8010_playback_open,
+ .close = snd_emu10k1_fx8010_playback_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_emu10k1_fx8010_playback_hw_params,
+ .hw_free = snd_emu10k1_fx8010_playback_hw_free,
+ .prepare = snd_emu10k1_fx8010_playback_prepare,
+ .trigger = snd_emu10k1_fx8010_playback_trigger,
+ .pointer = snd_emu10k1_fx8010_playback_pointer,
+ .ack = snd_emu10k1_fx8010_playback_transfer,
+};
+
+int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
+{
+ struct snd_pcm *pcm;
+ struct snd_kcontrol *kctl;
+ int err;
+
+ if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
+ return err;
+
+ pcm->private_data = emu;
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
+
+ pcm->info_flags = 0;
+ strcpy(pcm->name, "Multichannel Capture/PT Playback");
+ emu->pcm_efx = pcm;
+
+ /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
+ * to these
+ */
+
+ /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
+ if (emu->audigy) {
+ emu->efx_voices_mask[0] = 0;
+ if (emu->card_capabilities->emu_model)
+ /* Pavel Hofman - 32 voices will be used for
+ * capture (write mode) -
+ * each bit = corresponding voice
+ */
+ emu->efx_voices_mask[1] = 0xffffffff;
+ else
+ emu->efx_voices_mask[1] = 0xffff;
+ } else {
+ emu->efx_voices_mask[0] = 0xffff0000;
+ emu->efx_voices_mask[1] = 0;
+ }
+ /* For emu1010, the control has to set 32 upper bits (voices)
+ * out of the 64 bits (voices) to true for the 16-channels capture
+ * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
+ * is already defined but the snd_emu10k1_pcm_efx_voices_mask
+ * control can override this register's value.
+ */
+ kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
+ if (!kctl)
+ return -ENOMEM;
+ kctl->id.device = device;
+ snd_ctl_add(emu->card, kctl);
+
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff