--- /dev/null
+/*
+ * Driver for Digigram pcxhr compatible soundcards
+ *
+ * main file with alsa callbacks
+ *
+ * Copyright (c) 2004 by Digigram <alsa@digigram.com>
+ *
+ * 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 <sound/driver.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/moduleparam.h>
+#include <linux/mutex.h>
+
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include "pcxhr.h"
+#include "pcxhr_mixer.h"
+#include "pcxhr_hwdep.h"
+#include "pcxhr_core.h"
+
+#define DRIVER_NAME "pcxhr"
+
+MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>");
+MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+static int mono[SNDRV_CARDS]; /* capture in mono only */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
+module_param_array(mono, bool, NULL, 0444);
+MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
+
+enum {
+ PCI_ID_VX882HR,
+ PCI_ID_PCX882HR,
+ PCI_ID_VX881HR,
+ PCI_ID_PCX881HR,
+ PCI_ID_PCX1222HR,
+ PCI_ID_PCX1221HR,
+ PCI_ID_LAST
+};
+
+static struct pci_device_id pcxhr_ids[] __devinitdata = {
+ { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, /* VX882HR */
+ { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, /* PCX882HR */
+ { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, /* VX881HR */
+ { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, }, /* PCX881HR */
+ { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, /* PCX1222HR */
+ { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, /* PCX1221HR */
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, pcxhr_ids);
+
+struct board_parameters {
+ char* board_name;
+ short playback_chips;
+ short capture_chips;
+ short firmware_num;
+};
+static struct board_parameters pcxhr_board_params[] = {
+[PCI_ID_VX882HR] = { "VX882HR", 4, 4, 41, },
+[PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 41, },
+[PCI_ID_VX881HR] = { "VX881HR", 4, 4, 41, },
+[PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 41, },
+[PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 42, },
+[PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 42, },
+};
+
+
+static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
+ unsigned int* realfreq)
+{
+ unsigned int reg;
+
+ if (freq < 6900 || freq > 110250)
+ return -EINVAL;
+ reg = (28224000 * 10) / freq;
+ reg = (reg + 5) / 10;
+ if (reg < 0x200)
+ *pllreg = reg + 0x800;
+ else if (reg < 0x400)
+ *pllreg = reg & 0x1ff;
+ else if (reg < 0x800) {
+ *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
+ reg &= ~1;
+ } else {
+ *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
+ reg &= ~3;
+ }
+ if (realfreq)
+ *realfreq = ((28224000 * 10) / reg + 5) / 10;
+ return 0;
+}
+
+
+#define PCXHR_FREQ_REG_MASK 0x1f
+#define PCXHR_FREQ_QUARTZ_48000 0x00
+#define PCXHR_FREQ_QUARTZ_24000 0x01
+#define PCXHR_FREQ_QUARTZ_12000 0x09
+#define PCXHR_FREQ_QUARTZ_32000 0x08
+#define PCXHR_FREQ_QUARTZ_16000 0x04
+#define PCXHR_FREQ_QUARTZ_8000 0x0c
+#define PCXHR_FREQ_QUARTZ_44100 0x02
+#define PCXHR_FREQ_QUARTZ_22050 0x0a
+#define PCXHR_FREQ_QUARTZ_11025 0x06
+#define PCXHR_FREQ_PLL 0x05
+#define PCXHR_FREQ_QUARTZ_192000 0x10
+#define PCXHR_FREQ_QUARTZ_96000 0x18
+#define PCXHR_FREQ_QUARTZ_176400 0x14
+#define PCXHR_FREQ_QUARTZ_88200 0x1c
+#define PCXHR_FREQ_QUARTZ_128000 0x12
+#define PCXHR_FREQ_QUARTZ_64000 0x1a
+
+#define PCXHR_FREQ_WORD_CLOCK 0x0f
+#define PCXHR_FREQ_SYNC_AES 0x0e
+#define PCXHR_FREQ_AES_1 0x07
+#define PCXHR_FREQ_AES_2 0x0b
+#define PCXHR_FREQ_AES_3 0x03
+#define PCXHR_FREQ_AES_4 0x0d
+
+#define PCXHR_MODIFY_CLOCK_S_BIT 0x04
+
+#define PCXHR_IRQ_TIMER_FREQ 92000
+#define PCXHR_IRQ_TIMER_PERIOD 48
+
+static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
+ unsigned int *reg, unsigned int *freq)
+{
+ unsigned int val, realfreq, pllreg;
+ struct pcxhr_rmh rmh;
+ int err;
+
+ realfreq = rate;
+ switch (mgr->use_clock_type) {
+ case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */
+ switch (rate) {
+ case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break;
+ case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break;
+ case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break;
+ case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break;
+ case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break;
+ case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break;
+ case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break;
+ case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break;
+ case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break;
+ case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break;
+ case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break;
+ case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break;
+ case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break;
+ case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break;
+ case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break;
+ default :
+ val = PCXHR_FREQ_PLL;
+ /* get the value for the pll register */
+ err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
+ if (err)
+ return err;
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
+ rmh.cmd[0] |= IO_NUM_REG_GENCLK;
+ rmh.cmd[1] = pllreg & MASK_DSP_WORD;
+ rmh.cmd[2] = pllreg >> 24;
+ rmh.cmd_len = 3;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err < 0) {
+ snd_printk(KERN_ERR
+ "error CMD_ACCESS_IO_WRITE for PLL register : %x!\n",
+ err );
+ return err;
+ }
+ }
+ break;
+ case PCXHR_CLOCK_TYPE_WORD_CLOCK : val = PCXHR_FREQ_WORD_CLOCK; break;
+ case PCXHR_CLOCK_TYPE_AES_SYNC : val = PCXHR_FREQ_SYNC_AES; break;
+ case PCXHR_CLOCK_TYPE_AES_1 : val = PCXHR_FREQ_AES_1; break;
+ case PCXHR_CLOCK_TYPE_AES_2 : val = PCXHR_FREQ_AES_2; break;
+ case PCXHR_CLOCK_TYPE_AES_3 : val = PCXHR_FREQ_AES_3; break;
+ case PCXHR_CLOCK_TYPE_AES_4 : val = PCXHR_FREQ_AES_4; break;
+ default : return -EINVAL;
+ }
+ *reg = val;
+ *freq = realfreq;
+ return 0;
+}
+
+
+int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
+{
+ unsigned int val, realfreq, speed;
+ struct pcxhr_rmh rmh;
+ int err, changed;
+
+ if (rate == 0)
+ return 0; /* nothing to do */
+
+ err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
+ if (err)
+ return err;
+
+ /* codec speed modes */
+ if (rate < 55000)
+ speed = 0; /* single speed */
+ else if (rate < 100000)
+ speed = 1; /* dual speed */
+ else
+ speed = 2; /* quad speed */
+ if (mgr->codec_speed != speed) {
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
+ rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err)
+ return err;
+
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
+ rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
+ rmh.cmd[1] = speed;
+ rmh.cmd_len = 2;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err)
+ return err;
+ }
+ /* set the new frequency */
+ snd_printdd("clock register : set %x\n", val);
+ err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, val, &changed);
+ if (err)
+ return err;
+ mgr->sample_rate_real = realfreq;
+ mgr->cur_clock_type = mgr->use_clock_type;
+
+ /* unmute after codec speed modes */
+ if (mgr->codec_speed != speed) {
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
+ rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err)
+ return err;
+ mgr->codec_speed = speed; /* save new codec speed */
+ }
+
+ if (changed) {
+ pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
+ rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */
+ if (rate < PCXHR_IRQ_TIMER_FREQ)
+ rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
+ else
+ rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
+ rmh.cmd[2] = rate;
+ rmh.cmd_len = 3;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err)
+ return err;
+ }
+ snd_printdd("pcxhr_set_clock to %dHz (realfreq=%d)\n", rate, realfreq);
+ return 0;
+}
+
+
+int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type,
+ int *sample_rate)
+{
+ struct pcxhr_rmh rmh;
+ unsigned char reg;
+ int err, rate;
+
+ switch (clock_type) {
+ case PCXHR_CLOCK_TYPE_WORD_CLOCK : reg = REG_STATUS_WORD_CLOCK; break;
+ case PCXHR_CLOCK_TYPE_AES_SYNC : reg = REG_STATUS_AES_SYNC; break;
+ case PCXHR_CLOCK_TYPE_AES_1 : reg = REG_STATUS_AES_1; break;
+ case PCXHR_CLOCK_TYPE_AES_2 : reg = REG_STATUS_AES_2; break;
+ case PCXHR_CLOCK_TYPE_AES_3 : reg = REG_STATUS_AES_3; break;
+ case PCXHR_CLOCK_TYPE_AES_4 : reg = REG_STATUS_AES_4; break;
+ default : return -EINVAL;
+ }
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
+ rmh.cmd_len = 2;
+ rmh.cmd[0] |= IO_NUM_REG_STATUS;
+ if (mgr->last_reg_stat != reg) {
+ rmh.cmd[1] = reg;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err)
+ return err;
+ udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */
+ mgr->last_reg_stat = reg;
+ }
+ rmh.cmd[1] = REG_STATUS_CURRENT;
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err)
+ return err;
+ switch (rmh.stat[1] & 0x0f) {
+ case REG_STATUS_SYNC_32000 : rate = 32000; break;
+ case REG_STATUS_SYNC_44100 : rate = 44100; break;
+ case REG_STATUS_SYNC_48000 : rate = 48000; break;
+ case REG_STATUS_SYNC_64000 : rate = 64000; break;
+ case REG_STATUS_SYNC_88200 : rate = 88200; break;
+ case REG_STATUS_SYNC_96000 : rate = 96000; break;
+ case REG_STATUS_SYNC_128000 : rate = 128000; break;
+ case REG_STATUS_SYNC_176400 : rate = 176400; break;
+ case REG_STATUS_SYNC_192000 : rate = 192000; break;
+ default: rate = 0;
+ }
+ snd_printdd("External clock is at %d Hz\n", rate);
+ *sample_rate = rate;
+ return 0;
+}
+
+
+/*
+ * start or stop playback/capture substream
+ */
+static int pcxhr_set_stream_state(struct pcxhr_stream *stream)
+{
+ int err;
+ struct snd_pcxhr *chip;
+ struct pcxhr_rmh rmh;
+ int stream_mask, start;
+
+ if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
+ start = 1;
+ else {
+ if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
+ snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state CANNOT be stopped\n");
+ return -EINVAL;
+ }
+ start = 0;
+ }
+ if (!stream->substream)
+ return -EINVAL;
+
+ stream->timer_abs_periods = 0;
+ stream->timer_period_frag = 0; /* reset theoretical stream pos */
+ stream->timer_buf_periods = 0;
+ stream->timer_is_synced = 0;
+
+ stream_mask = stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
+
+ pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
+ pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
+ stream->pipe->first_audio, 0, stream_mask);
+
+ chip = snd_pcm_substream_chip(stream->substream);
+
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err)
+ snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state err=%x;\n", err);
+ stream->status = start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
+ return err;
+}
+
+#define HEADER_FMT_BASE_LIN 0xfed00000
+#define HEADER_FMT_BASE_FLOAT 0xfad00000
+#define HEADER_FMT_INTEL 0x00008000
+#define HEADER_FMT_24BITS 0x00004000
+#define HEADER_FMT_16BITS 0x00002000
+#define HEADER_FMT_UPTO11 0x00000200
+#define HEADER_FMT_UPTO32 0x00000100
+#define HEADER_FMT_MONO 0x00000080
+
+static int pcxhr_set_format(struct pcxhr_stream *stream)
+{
+ int err, is_capture, sample_rate, stream_num;
+ struct snd_pcxhr *chip;
+ struct pcxhr_rmh rmh;
+ unsigned int header;
+
+ switch (stream->format) {
+ case SNDRV_PCM_FORMAT_U8:
+ header = HEADER_FMT_BASE_LIN;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS | HEADER_FMT_INTEL;
+ break;
+ case SNDRV_PCM_FORMAT_S16_BE:
+ header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
+ break;
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS | HEADER_FMT_INTEL;
+ break;
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
+ break;
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
+ break;
+ default:
+ snd_printk(KERN_ERR "error pcxhr_set_format() : unknown format\n");
+ return -EINVAL;
+ }
+ chip = snd_pcm_substream_chip(stream->substream);
+
+ sample_rate = chip->mgr->sample_rate;
+ if (sample_rate <= 32000 && sample_rate !=0) {
+ if (sample_rate <= 11025)
+ header |= HEADER_FMT_UPTO11;
+ else
+ header |= HEADER_FMT_UPTO32;
+ }
+ if (stream->channels == 1)
+ header |= HEADER_FMT_MONO;
+
+ is_capture = stream->pipe->is_capture;
+ stream_num = is_capture ? 0 : stream->substream->number;
+
+ pcxhr_init_rmh(&rmh, is_capture ? CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
+ pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
+ if (is_capture)
+ rmh.cmd[0] |= 1<<12;
+ rmh.cmd[1] = 0;
+ rmh.cmd[2] = header >> 8;
+ rmh.cmd[3] = (header & 0xff) << 16;
+ rmh.cmd_len = 4;
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err)
+ snd_printk(KERN_ERR "ERROR pcxhr_set_format err=%x;\n", err);
+ return err;
+}
+
+static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
+{
+ int err, is_capture, stream_num;
+ struct pcxhr_rmh rmh;
+ struct snd_pcm_substream *subs = stream->substream;
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+
+ is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
+ stream_num = is_capture ? 0 : subs->number;
+
+ snd_printdd("pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
+ is_capture ? 'c' : 'p',
+ chip->chip_idx, (void*)subs->runtime->dma_addr,
+ subs->runtime->dma_bytes, subs->number);
+
+ pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
+ pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
+
+ snd_assert(subs->runtime->dma_bytes < 0x200000); /* max buffer size is 2 MByte */
+ rmh.cmd[1] = subs->runtime->dma_bytes * 8; /* size in bits */
+ rmh.cmd[2] = subs->runtime->dma_addr >> 24; /* most significant byte */
+ rmh.cmd[2] |= 1<<19; /* this is a circular buffer */
+ rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD; /* least 3 significant bytes */
+ rmh.cmd_len = 4;
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err)
+ snd_printk(KERN_ERR "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
+ return err;
+}
+
+
+#if 0
+static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, snd_pcm_uframes_t *sample_count)
+{
+ struct pcxhr_rmh rmh;
+ int err;
+ pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
+ pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
+ pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
+ 1<<stream->pipe->first_audio);
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err == 0) {
+ *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
+ *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
+ }
+ snd_printdd("PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
+ return err;
+}
+#endif
+
+static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
+ struct pcxhr_pipe **pipe)
+{
+ if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
+ *pipe = stream->pipe;
+ return 1;
+ }
+ return 0;
+}
+
+static void pcxhr_trigger_tasklet(unsigned long arg)
+{
+ unsigned long flags;
+ int i, j, err;
+ struct pcxhr_pipe *pipe;
+ struct snd_pcxhr *chip;
+ struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg);
+ int capture_mask = 0;
+ int playback_mask = 0;
+
+#ifdef CONFIG_SND_DEBUG_DETECT
+ struct timeval my_tv1, my_tv2;
+ do_gettimeofday(&my_tv1);
+#endif
+ mutex_lock(&mgr->setup_mutex);
+
+ /* check the pipes concerned and build pipe_array */
+ for (i = 0; i < mgr->num_cards; i++) {
+ chip = mgr->chip[i];
+ for (j = 0; j < chip->nb_streams_capt; j++) {
+ if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
+ capture_mask |= (1 << pipe->first_audio);
+ }
+ for (j = 0; j < chip->nb_streams_play; j++) {
+ if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
+ playback_mask |= (1 << pipe->first_audio);
+ break; /* add only once, as all playback streams of
+ * one chip use the same pipe
+ */
+ }
+ }
+ }
+ if (capture_mask == 0 && playback_mask == 0) {
+ mutex_unlock(&mgr->setup_mutex);
+ snd_printk(KERN_ERR "pcxhr_trigger_tasklet : no pipes\n");
+ return;
+ }
+
+ snd_printdd("pcxhr_trigger_tasklet : playback_mask=%x capture_mask=%x\n",
+ playback_mask, capture_mask);
+
+ /* synchronous stop of all the pipes concerned */
+ err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
+ if (err) {
+ mutex_unlock(&mgr->setup_mutex);
+ snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error stop pipes (P%x C%x)\n",
+ playback_mask, capture_mask);
+ return;
+ }
+
+ /* unfortunately the dsp lost format and buffer info with the stop pipe */
+ for (i = 0; i < mgr->num_cards; i++) {
+ struct pcxhr_stream *stream;
+ chip = mgr->chip[i];
+ for (j = 0; j < chip->nb_streams_capt; j++) {
+ stream = &chip->capture_stream[j];
+ if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
+ err = pcxhr_set_format(stream);
+ err = pcxhr_update_r_buffer(stream);
+ }
+ }
+ for (j = 0; j < chip->nb_streams_play; j++) {
+ stream = &chip->playback_stream[j];
+ if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
+ err = pcxhr_set_format(stream);
+ err = pcxhr_update_r_buffer(stream);
+ }
+ }
+ }
+ /* start all the streams */
+ for (i = 0; i < mgr->num_cards; i++) {
+ struct pcxhr_stream *stream;
+ chip = mgr->chip[i];
+ for (j = 0; j < chip->nb_streams_capt; j++) {
+ stream = &chip->capture_stream[j];
+ if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
+ err = pcxhr_set_stream_state(stream);
+ }
+ for (j = 0; j < chip->nb_streams_play; j++) {
+ stream = &chip->playback_stream[j];
+ if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
+ err = pcxhr_set_stream_state(stream);
+ }
+ }
+
+ /* synchronous start of all the pipes concerned */
+ err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
+ if (err) {
+ mutex_unlock(&mgr->setup_mutex);
+ snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error start pipes (P%x C%x)\n",
+ playback_mask, capture_mask);
+ return;
+ }
+
+ /* put the streams into the running state now (increment pointer by interrupt) */
+ spin_lock_irqsave(&mgr->lock, flags);
+ for ( i =0; i < mgr->num_cards; i++) {
+ struct pcxhr_stream *stream;
+ chip = mgr->chip[i];
+ for(j = 0; j < chip->nb_streams_capt; j++) {
+ stream = &chip->capture_stream[j];
+ if(stream->status == PCXHR_STREAM_STATUS_STARTED)
+ stream->status = PCXHR_STREAM_STATUS_RUNNING;
+ }
+ for (j = 0; j < chip->nb_streams_play; j++) {
+ stream = &chip->playback_stream[j];
+ if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
+ /* playback will already have advanced ! */
+ stream->timer_period_frag += PCXHR_GRANULARITY;
+ stream->status = PCXHR_STREAM_STATUS_RUNNING;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&mgr->lock, flags);
+
+ mutex_unlock(&mgr->setup_mutex);
+
+#ifdef CONFIG_SND_DEBUG_DETECT
+ do_gettimeofday(&my_tv2);
+ snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n",
+ my_tv2.tv_usec - my_tv1.tv_usec, err);
+#endif
+}
+
+
+/*
+ * trigger callback
+ */
+static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
+{
+ struct pcxhr_stream *stream;
+ struct list_head *pos;
+ struct snd_pcm_substream *s;
+ int i;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ snd_printdd("SNDRV_PCM_TRIGGER_START\n");
+ i = 0;
+ snd_pcm_group_for_each(pos, subs) {
+ s = snd_pcm_group_substream_entry(pos);
+ stream = s->runtime->private_data;
+ stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
+ snd_pcm_trigger_done(s, subs);
+ i++;
+ }
+ if (i==1) {
+ snd_printdd("Only one Substream %c %d\n",
+ stream->pipe->is_capture ? 'C' : 'P',
+ stream->pipe->first_audio);
+ if (pcxhr_set_format(stream))
+ return -EINVAL;
+ if (pcxhr_update_r_buffer(stream))
+ return -EINVAL;
+
+ if (pcxhr_set_stream_state(stream))
+ return -EINVAL;
+ stream->status = PCXHR_STREAM_STATUS_RUNNING;
+ } else {
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+ tasklet_hi_schedule(&chip->mgr->trigger_taskq);
+ }
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
+ snd_pcm_group_for_each(pos, subs) {
+ s = snd_pcm_group_substream_entry(pos);
+ stream = s->runtime->private_data;
+ stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
+ if (pcxhr_set_stream_state(stream))
+ return -EINVAL;
+ snd_pcm_trigger_done(s, subs);
+ }
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ /* TODO */
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+
+static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
+{
+ struct pcxhr_rmh rmh;
+ int err;
+
+ pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
+ if (start) {
+ mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID; /* last dsp time invalid */
+ rmh.cmd[0] |= PCXHR_GRANULARITY;
+ }
+ err = pcxhr_send_msg(mgr, &rmh);
+ if (err < 0)
+ snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n", err);
+ return err;
+}
+
+/*
+ * prepare callback for all pcms
+ */
+static int pcxhr_prepare(struct snd_pcm_substream *subs)
+{
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+ struct pcxhr_mgr *mgr = chip->mgr;
+ /*
+ struct pcxhr_stream *stream = (pcxhr_stream_t*)subs->runtime->private_data;
+ */
+ int err = 0;
+
+ snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
+ subs->runtime->period_size, subs->runtime->periods,
+ subs->runtime->buffer_size);
+
+ /*
+ if(subs->runtime->period_size <= PCXHR_GRANULARITY) {
+ snd_printk(KERN_ERR "pcxhr_prepare : error period_size too small (%x)\n",
+ (unsigned int)subs->runtime->period_size);
+ return -EINVAL;
+ }
+ */
+
+ mutex_lock(&mgr->setup_mutex);
+
+ do {
+ /* if the stream was stopped before, format and buffer were reset */
+ /*
+ if(stream->status == PCXHR_STREAM_STATUS_STOPPED) {
+ err = pcxhr_set_format(stream);
+ if(err) break;
+ err = pcxhr_update_r_buffer(stream);
+ if(err) break;
+ }
+ */
+
+ /* only the first stream can choose the sample rate */
+ /* the further opened streams will be limited to its frequency (see open) */
+ /* set the clock only once (first stream) */
+ if (mgr->sample_rate != subs->runtime->rate) {
+ err = pcxhr_set_clock(mgr, subs->runtime->rate);
+ if (err)
+ break;
+ if (mgr->sample_rate == 0)
+ /* start the DSP-timer */
+ err = pcxhr_hardware_timer(mgr, 1);
+ mgr->sample_rate = subs->runtime->rate;
+ }
+ } while(0); /* do only once (so we can use break instead of goto) */
+
+ mutex_unlock(&mgr->setup_mutex);
+
+ return err;
+}
+
+
+/*
+ * HW_PARAMS callback for all pcms
+ */
+static int pcxhr_hw_params(struct snd_pcm_substream *subs,
+ struct snd_pcm_hw_params *hw)
+{
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+ struct pcxhr_mgr *mgr = chip->mgr;
+ struct pcxhr_stream *stream = subs->runtime->private_data;
+ snd_pcm_format_t format;
+ int err;
+ int channels;
+
+ /* set up channels */
+ channels = params_channels(hw);
+
+ /* set up format for the stream */
+ format = params_format(hw);
+
+ mutex_lock(&mgr->setup_mutex);
+
+ stream->channels = channels;
+ stream->format = format;
+
+ /* set the format to the board */
+ /*
+ err = pcxhr_set_format(stream);
+ if(err) {
+ mutex_unlock(&mgr->setup_mutex);
+ return err;
+ }
+ */
+ /* allocate buffer */
+ err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
+
+ /*
+ if (err > 0) {
+ err = pcxhr_update_r_buffer(stream);
+ }
+ */
+ mutex_unlock(&mgr->setup_mutex);
+
+ return err;
+}
+
+static int pcxhr_hw_free(struct snd_pcm_substream *subs)
+{
+ snd_pcm_lib_free_pages(subs);
+ return 0;
+}
+
+
+/*
+ * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
+ */
+static struct snd_pcm_hardware pcxhr_caps =
+{
+ .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
+ 0 /*SNDRV_PCM_INFO_PAUSE*/),
+ .formats = ( SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
+ SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
+ SNDRV_PCM_FMTBIT_FLOAT_LE ),
+ .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
+ .rate_min = 8000,
+ .rate_max = 192000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (32*1024),
+ /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
+ .period_bytes_min = (2*PCXHR_GRANULARITY),
+ .period_bytes_max = (16*1024),
+ .periods_min = 2,
+ .periods_max = (32*1024/PCXHR_GRANULARITY),
+};
+
+
+static int pcxhr_open(struct snd_pcm_substream *subs)
+{
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+ struct pcxhr_mgr *mgr = chip->mgr;
+ struct snd_pcm_runtime *runtime = subs->runtime;
+ struct pcxhr_stream *stream;
+ int is_capture;
+
+ mutex_lock(&mgr->setup_mutex);
+
+ /* copy the struct snd_pcm_hardware struct */
+ runtime->hw = pcxhr_caps;
+
+ if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
+ snd_printdd("pcxhr_open playback chip%d subs%d\n",
+ chip->chip_idx, subs->number);
+ is_capture = 0;
+ stream = &chip->playback_stream[subs->number];
+ } else {
+ snd_printdd("pcxhr_open capture chip%d subs%d\n",
+ chip->chip_idx, subs->number);
+ is_capture = 1;
+ if (mgr->mono_capture)
+ runtime->hw.channels_max = 1;
+ else
+ runtime->hw.channels_min = 2;
+ stream = &chip->capture_stream[subs->number];
+ }
+ if (stream->status != PCXHR_STREAM_STATUS_FREE){
+ /* streams in use */
+ snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n",
+ chip->chip_idx, subs->number);
+ mutex_unlock(&mgr->setup_mutex);
+ return -EBUSY;
+ }
+
+ /* if a sample rate is already used or fixed by external clock,
+ * the stream cannot change
+ */
+ if (mgr->sample_rate)
+ runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
+ else {
+ if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
+ int external_rate;
+ if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
+ &external_rate) ||
+ external_rate == 0) {
+ /* cannot detect the external clock rate */
+ mutex_unlock(&mgr->setup_mutex);
+ return -EBUSY;
+ }
+ runtime->hw.rate_min = runtime->hw.rate_max = external_rate;
+ }
+ }
+
+ stream->status = PCXHR_STREAM_STATUS_OPEN;
+ stream->substream = subs;
+ stream->channels = 0; /* not configured yet */
+
+ runtime->private_data = stream;
+
+ snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4);
+ snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);
+
+ mgr->ref_count_rate++;
+
+ mutex_unlock(&mgr->setup_mutex);
+ return 0;
+}
+
+
+static int pcxhr_close(struct snd_pcm_substream *subs)
+{
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+ struct pcxhr_mgr *mgr = chip->mgr;
+ struct pcxhr_stream *stream = subs->runtime->private_data;
+
+ mutex_lock(&mgr->setup_mutex);
+
+ snd_printdd("pcxhr_close chip%d subs%d\n", chip->chip_idx, subs->number);
+
+ /* sample rate released */
+ if (--mgr->ref_count_rate == 0) {
+ mgr->sample_rate = 0; /* the sample rate is no more locked */
+ pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */
+ }
+
+ stream->status = PCXHR_STREAM_STATUS_FREE;
+ stream->substream = NULL;
+
+ mutex_unlock(&mgr->setup_mutex);
+
+ return 0;
+}
+
+
+static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
+{
+ unsigned long flags;
+ u_int32_t timer_period_frag;
+ int timer_buf_periods;
+ struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
+ struct snd_pcm_runtime *runtime = subs->runtime;
+ struct pcxhr_stream *stream = runtime->private_data;
+
+ spin_lock_irqsave(&chip->mgr->lock, flags);
+
+ /* get the period fragment and the nb of periods in the buffer */
+ timer_period_frag = stream->timer_period_frag;
+ timer_buf_periods = stream->timer_buf_periods;
+
+ spin_unlock_irqrestore(&chip->mgr->lock, flags);
+
+ return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
+ timer_period_frag);
+}
+
+
+static struct snd_pcm_ops pcxhr_ops = {
+ .open = pcxhr_open,
+ .close = pcxhr_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .prepare = pcxhr_prepare,
+ .hw_params = pcxhr_hw_params,
+ .hw_free = pcxhr_hw_free,
+ .trigger = pcxhr_trigger,
+ .pointer = pcxhr_stream_pointer,
+};
+
+/*
+ */
+int pcxhr_create_pcm(struct snd_pcxhr *chip)
+{
+ int err;
+ struct snd_pcm *pcm;
+ char name[32];
+
+ sprintf(name, "pcxhr %d", chip->chip_idx);
+ if ((err = snd_pcm_new(chip->card, name, 0,
+ chip->nb_streams_play,
+ chip->nb_streams_capt, &pcm)) < 0) {
+ snd_printk(KERN_ERR "cannot create pcm %s\n", name);
+ return err;
+ }
+ pcm->private_data = chip;
+
+ if (chip->nb_streams_play)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
+ if (chip->nb_streams_capt)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
+
+ pcm->info_flags = 0;
+ strcpy(pcm->name, name);
+
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->mgr->pci),
+ 32*1024, 32*1024);
+ chip->pcm = pcm;
+ return 0;
+}
+
+static int pcxhr_chip_free(struct snd_pcxhr *chip)
+{
+ kfree(chip);
+ return 0;
+}
+
+static int pcxhr_chip_dev_free(struct snd_device *device)
+{
+ struct snd_pcxhr *chip = device->device_data;
+ return pcxhr_chip_free(chip);
+}
+
+
+/*
+ */
+static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card, int idx)
+{
+ int err;
+ struct snd_pcxhr *chip;
+ static struct snd_device_ops ops = {
+ .dev_free = pcxhr_chip_dev_free,
+ };
+
+ mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (! chip) {
+ snd_printk(KERN_ERR "cannot allocate chip\n");
+ return -ENOMEM;
+ }
+
+ chip->card = card;
+ chip->chip_idx = idx;
+ chip->mgr = mgr;
+
+ if (idx < mgr->playback_chips)
+ /* stereo or mono streams */
+ chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
+
+ if (idx < mgr->capture_chips) {
+ if (mgr->mono_capture)
+ chip->nb_streams_capt = 2; /* 2 mono streams (left+right) */
+ else
+ chip->nb_streams_capt = 1; /* or 1 stereo stream */
+ }
+
+ if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
+ pcxhr_chip_free(chip);
+ return err;
+ }
+
+ snd_card_set_dev(card, &mgr->pci->dev);
+
+ return 0;
+}
+
+/* proc interface */
+static void pcxhr_proc_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_pcxhr *chip = entry->private_data;
+ struct pcxhr_mgr *mgr = chip->mgr;
+
+ snd_iprintf(buffer, "\n%s\n", mgr->longname);
+
+ /* stats available when embedded DSP is running */
+ if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
+ struct pcxhr_rmh rmh;
+ short ver_maj = (mgr->dsp_version >> 16) & 0xff;
+ short ver_min = (mgr->dsp_version >> 8) & 0xff;
+ short ver_build = mgr->dsp_version & 0xff;
+ snd_iprintf(buffer, "module version %s\n", PCXHR_DRIVER_VERSION_STRING);
+ snd_iprintf(buffer, "dsp version %d.%d.%d\n", ver_maj, ver_min, ver_build);
+ if (mgr->board_has_analog)
+ snd_iprintf(buffer, "analog io available\n");
+ else
+ snd_iprintf(buffer, "digital only board\n");
+
+ /* calc cpu load of the dsp */
+ pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
+ if( ! pcxhr_send_msg(mgr, &rmh) ) {
+ int cur = rmh.stat[0];
+ int ref = rmh.stat[1];
+ if (ref > 0) {
+ if (mgr->sample_rate_real != 0 &&
+ mgr->sample_rate_real != 48000) {
+ ref = (ref * 48000) / mgr->sample_rate_real;
+ if (mgr->sample_rate_real >= PCXHR_IRQ_TIMER_FREQ)
+ ref *= 2;
+ }
+ cur = 100 - (100 * cur) / ref;
+ snd_iprintf(buffer, "cpu load %d%%\n", cur);
+ snd_iprintf(buffer, "buffer pool %d/%d kWords\n",
+ rmh.stat[2], rmh.stat[3]);
+ }
+ }
+ snd_iprintf(buffer, "dma granularity : %d\n", PCXHR_GRANULARITY);
+ snd_iprintf(buffer, "dsp time errors : %d\n", mgr->dsp_time_err);
+ snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
+ mgr->async_err_pipe_xrun);
+ snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
+ mgr->async_err_stream_xrun);
+ snd_iprintf(buffer, "dsp async last other error : %x\n",
+ mgr->async_err_other_last);
+ /* debug zone dsp */
+ rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
+ rmh.cmd_len = 1;
+ rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
+ rmh.dsp_stat = 0;
+ rmh.cmd_idx = CMD_LAST_INDEX;
+ if( ! pcxhr_send_msg(mgr, &rmh) ) {
+ int i;
+ for (i = 0; i < rmh.stat_len; i++)
+ snd_iprintf(buffer, "debug[%02d] = %06x\n", i, rmh.stat[i]);
+ }
+ } else
+ snd_iprintf(buffer, "no firmware loaded\n");
+ snd_iprintf(buffer, "\n");
+}
+static void pcxhr_proc_sync(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_pcxhr *chip = entry->private_data;
+ struct pcxhr_mgr *mgr = chip->mgr;
+ static char *texts[7] = {
+ "Internal", "Word", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
+ };
+
+ snd_iprintf(buffer, "\n%s\n", mgr->longname);
+ snd_iprintf(buffer, "Current Sample Clock\t: %s\n", texts[mgr->cur_clock_type]);
+ snd_iprintf(buffer, "Current Sample Rate\t= %d\n", mgr->sample_rate_real);
+
+ /* commands available when embedded DSP is running */
+ if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
+ int i, err, sample_rate;
+ for (i = PCXHR_CLOCK_TYPE_WORD_CLOCK; i< (3 + mgr->capture_chips); i++) {
+ err = pcxhr_get_external_clock(mgr, i, &sample_rate);
+ if (err)
+ break;
+ snd_iprintf(buffer, "%s Clock\t\t= %d\n", texts[i], sample_rate);
+ }
+ } else
+ snd_iprintf(buffer, "no firmware loaded\n");
+ snd_iprintf(buffer, "\n");
+}
+
+static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip)
+{
+ struct snd_info_entry *entry;
+
+ if (! snd_card_proc_new(chip->card, "info", &entry))
+ snd_info_set_text_ops(entry, chip, 1024, pcxhr_proc_info);
+ if (! snd_card_proc_new(chip->card, "sync", &entry))
+ snd_info_set_text_ops(entry, chip, 1024, pcxhr_proc_sync);
+}
+/* end of proc interface */
+
+/*
+ * release all the cards assigned to a manager instance
+ */
+static int pcxhr_free(struct pcxhr_mgr *mgr)
+{
+ unsigned int i;
+
+ for (i = 0; i < mgr->num_cards; i++) {
+ if (mgr->chip[i])
+ snd_card_free(mgr->chip[i]->card);
+ }
+
+ /* reset board if some firmware was loaded */
+ if(mgr->dsp_loaded) {
+ pcxhr_reset_board(mgr);
+ snd_printdd("reset pcxhr !\n");
+ }
+
+ /* release irq */
+ if (mgr->irq >= 0)
+ free_irq(mgr->irq, mgr);
+
+ pci_release_regions(mgr->pci);
+
+ /* free hostport purgebuffer */
+ if (mgr->hostport.area) {
+ snd_dma_free_pages(&mgr->hostport);
+ mgr->hostport.area = NULL;
+ }
+
+ kfree(mgr->prmh);
+
+ pci_disable_device(mgr->pci);
+ kfree(mgr);
+ return 0;
+}
+
+/*
+ * probe function - creates the card manager
+ */
+static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct pcxhr_mgr *mgr;
+ unsigned int i;
+ int err;
+ size_t size;
+ char *card_name;
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (! enable[dev]) {
+ dev++;
+ return -ENOENT;
+ }
+
+ /* enable PCI device */
+ if ((err = pci_enable_device(pci)) < 0)
+ return err;
+ pci_set_master(pci);
+
+ /* check if we can restrict PCI DMA transfers to 32 bits */
+ if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
+ snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
+ pci_disable_device(pci);
+ return -ENXIO;
+ }
+
+ /* alloc card manager */
+ mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
+ if (! mgr) {
+ pci_disable_device(pci);
+ return -ENOMEM;
+ }
+
+ snd_assert(pci_id->driver_data < PCI_ID_LAST, return -ENODEV);
+ card_name = pcxhr_board_params[pci_id->driver_data].board_name;
+ mgr->playback_chips = pcxhr_board_params[pci_id->driver_data].playback_chips;
+ mgr->capture_chips = pcxhr_board_params[pci_id->driver_data].capture_chips;
+ mgr->firmware_num = pcxhr_board_params[pci_id->driver_data].firmware_num;
+ mgr->mono_capture = mono[dev];
+
+ /* resource assignment */
+ if ((err = pci_request_regions(pci, card_name)) < 0) {
+ kfree(mgr);
+ pci_disable_device(pci);
+ return err;
+ }
+ for (i = 0; i < 3; i++)
+ mgr->port[i] = pci_resource_start(pci, i);
+
+ mgr->pci = pci;
+ mgr->irq = -1;
+
+ if (request_irq(pci->irq, pcxhr_interrupt, SA_INTERRUPT|SA_SHIRQ,
+ card_name, mgr)) {
+ snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
+ pcxhr_free(mgr);
+ return -EBUSY;
+ }
+ mgr->irq = pci->irq;
+
+ sprintf(mgr->shortname, "Digigram %s", card_name);
+ sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i", mgr->shortname,
+ mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
+
+ /* ISR spinlock */
+ spin_lock_init(&mgr->lock);
+ spin_lock_init(&mgr->msg_lock);
+
+ /* init setup mutex*/
+ mutex_init(&mgr->setup_mutex);
+
+ /* init taslket */
+ tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet, (unsigned long) mgr);
+ tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet, (unsigned long) mgr);
+ mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
+ sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - PCXHR_SIZE_MAX_STATUS),
+ GFP_KERNEL);
+ if (! mgr->prmh) {
+ pcxhr_free(mgr);
+ return -ENOMEM;
+ }
+
+ for (i=0; i < PCXHR_MAX_CARDS; i++) {
+ struct snd_card *card;
+ char tmpid[16];
+ int idx;
+
+ if (i >= max(mgr->playback_chips, mgr->capture_chips))
+ break;
+ mgr->num_cards++;
+
+ if (index[dev] < 0)
+ idx = index[dev];
+ else
+ idx = index[dev] + i;
+
+ snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : card_name, i);
+ card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
+
+ if (! card) {
+ snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
+ pcxhr_free(mgr);
+ return -ENOMEM;
+ }
+
+ strcpy(card->driver, DRIVER_NAME);
+ sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
+ sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
+
+ if ((err = pcxhr_create(mgr, card, i)) < 0) {
+ pcxhr_free(mgr);
+ return err;
+ }
+
+ if (i == 0)
+ /* init proc interface only for chip0 */
+ pcxhr_proc_init(mgr->chip[i]);
+
+ if ((err = snd_card_register(card)) < 0) {
+ pcxhr_free(mgr);
+ return err;
+ }
+ }
+
+ /* create hostport purgebuffer */
+ size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ size, &mgr->hostport) < 0) {
+ pcxhr_free(mgr);
+ return -ENOMEM;
+ }
+ /* init purgebuffer */
+ memset(mgr->hostport.area, 0, size);
+
+ /* create a DSP loader */
+ err = pcxhr_setup_firmware(mgr);
+ if (err < 0) {
+ pcxhr_free(mgr);
+ return err;
+ }
+
+ pci_set_drvdata(pci, mgr);
+ dev++;
+ return 0;
+}
+
+static void __devexit pcxhr_remove(struct pci_dev *pci)
+{
+ pcxhr_free(pci_get_drvdata(pci));
+ pci_set_drvdata(pci, NULL);
+}
+
+static struct pci_driver driver = {
+ .name = "Digigram pcxhr",
+ .id_table = pcxhr_ids,
+ .probe = pcxhr_probe,
+ .remove = __devexit_p(pcxhr_remove),
+};
+
+static int __init pcxhr_module_init(void)
+{
+ return pci_register_driver(&driver);
+}
+
+static void __exit pcxhr_module_exit(void)
+{
+ pci_unregister_driver(&driver);
+}
+
+module_init(pcxhr_module_init)
+module_exit(pcxhr_module_exit)
git://git.onelab.eu / linux-2.6.git / blobdiff