diff options
Diffstat (limited to 'sound/pci/pcxhr/pcxhr.c')
| -rw-r--r-- | sound/pci/pcxhr/pcxhr.c | 1373 |
1 files changed, 1373 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c new file mode 100644 index 0000000..73de6e9 --- /dev/null +++ b/sound/pci/pcxhr/pcxhr.c @@ -0,0 +1,1373 @@ +/* + * 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 <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[] = { + { 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 *)(long)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); + + /* max buffer size is 2 MByte */ + snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000); + 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_VERBOSE + 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_VERBOSE + do_gettimeofday(&my_tv2); + snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n", + (long)(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 snd_pcm_substream *s; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + snd_printdd("SNDRV_PCM_TRIGGER_START\n"); + if (snd_pcm_stream_linked(subs)) { + struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); + snd_pcm_group_for_each_entry(s, subs) { + if (snd_pcm_substream_chip(s) != chip) + continue; + stream = s->runtime->private_data; + stream->status = + PCXHR_STREAM_STATUS_SCHEDULE_RUN; + snd_pcm_trigger_done(s, subs); + } + tasklet_hi_schedule(&chip->mgr->trigger_taskq); + } else { + stream = subs->runtime->private_data; + 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; + + stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN; + if (pcxhr_set_stream_state(stream)) + return -EINVAL; + stream->status = PCXHR_STREAM_STATUS_RUNNING; + } + break; + case SNDRV_PCM_TRIGGER_STOP: + snd_printdd("SNDRV_PCM_TRIGGER_STOP\n"); + snd_pcm_group_for_each_entry(s, subs) { + 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; + + 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); + stream = &chip->playback_stream[subs->number]; + } else { + snd_printdd("pcxhr_open capture chip%d subs%d\n", + chip->chip_idx, subs->number); + 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); + + snd_pcm_set_sync(subs); + + 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, pcxhr_proc_info); + if (! snd_card_proc_new(chip->card, "sync", &entry)) + snd_info_set_text_ops(entry, chip, 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; + } + + if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) { + kfree(mgr); + pci_disable_device(pci); + 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, IRQF_SHARED, + 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) |
