| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Eliot Blennerhassett | 12835 | 98.27% | 34 | 49.28% |
| Takashi Iwai | 116 | 0.89% | 18 | 26.09% |
| Dan Carpenter | 33 | 0.25% | 1 | 1.45% |
| Kees Cook | 19 | 0.15% | 1 | 1.45% |
| Vasiliy Kulikov | 14 | 0.11% | 1 | 1.45% |
| Eldad Zack | 7 | 0.05% | 2 | 2.90% |
| Joe Perches | 6 | 0.05% | 1 | 1.45% |
| Benoit Taine | 6 | 0.05% | 1 | 1.45% |
| Wei Yongjun | 6 | 0.05% | 1 | 1.45% |
| Allen Pais | 4 | 0.03% | 1 | 1.45% |
| Paul Gortmaker | 3 | 0.02% | 1 | 1.45% |
| Thomas Gleixner | 2 | 0.02% | 1 | 1.45% |
| Rusty Russell | 2 | 0.02% | 1 | 1.45% |
| Hariprasad Kelam | 2 | 0.02% | 1 | 1.45% |
| Pierre-Louis Bossart | 2 | 0.02% | 1 | 1.45% |
| Julia Lawall | 2 | 0.02% | 1 | 1.45% |
| Lucas De Marchi | 1 | 0.01% | 1 | 1.45% |
| Krzysztof Kozlowski | 1 | 0.01% | 1 | 1.45% |
| Total | 13061 | 69 |
// SPDX-License-Identifier: GPL-2.0-only /* * Asihpi soundcard * Copyright (c) by AudioScience Inc <support@audioscience.com> * * The following is not a condition of use, merely a request: * If you modify this program, particularly if you fix errors, AudioScience Inc * would appreciate it if you grant us the right to use those modifications * for any purpose including commercial applications. */ #include "hpi_internal.h" #include "hpi_version.h" #include "hpimsginit.h" #include "hpioctl.h" #include "hpicmn.h" #include <linux/pci.h> #include <linux/init.h> #include <linux/jiffies.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/wait.h> #include <linux/module.h> #include <sound/core.h> #include <sound/control.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/info.h> #include <sound/initval.h> #include <sound/tlv.h> #include <sound/hwdep.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>"); MODULE_DESCRIPTION("AudioScience ALSA ASI5xxx ASI6xxx ASI87xx ASI89xx " HPI_VER_STRING); #if defined CONFIG_SND_DEBUG_VERBOSE /** * snd_printddd - very verbose debug printk * @format: format string * * Works like snd_printk() for debugging purposes. * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. * Must set snd module debug parameter to 3 to enable at runtime. */ #define snd_printddd(format, args...) \ __snd_printk(3, __FILE__, __LINE__, format, ##args) #else #define snd_printddd(format, args...) do { } while (0) #endif static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; static bool enable_hpi_hwdep = 1; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard."); module_param(enable_hpi_hwdep, bool, 0644); MODULE_PARM_DESC(enable_hpi_hwdep, "ALSA enable HPI hwdep for AudioScience soundcard "); /* identify driver */ #ifdef KERNEL_ALSA_BUILD static char *build_info = "Built using headers from kernel source"; module_param(build_info, charp, 0444); MODULE_PARM_DESC(build_info, "Built using headers from kernel source"); #else static char *build_info = "Built within ALSA source"; module_param(build_info, charp, 0444); MODULE_PARM_DESC(build_info, "Built within ALSA source"); #endif /* set to 1 to dump every control from adapter to log */ static const int mixer_dump; #define DEFAULT_SAMPLERATE 44100 static int adapter_fs = DEFAULT_SAMPLERATE; /* defaults */ #define PERIODS_MIN 2 #define PERIOD_BYTES_MIN 2048 #define BUFFER_BYTES_MAX (512 * 1024) #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7) struct clk_source { int source; int index; const char *name; }; struct clk_cache { int count; int has_local; struct clk_source s[MAX_CLOCKSOURCES]; }; /* Per card data */ struct snd_card_asihpi { struct snd_card *card; struct pci_dev *pci; struct hpi_adapter *hpi; /* In low latency mode there is only one stream, a pointer to its * private data is stored here on trigger and cleared on stop. * The interrupt handler uses it as a parameter when calling * snd_card_asihpi_timer_function(). */ struct snd_card_asihpi_pcm *llmode_streampriv; void (*pcm_start)(struct snd_pcm_substream *substream); void (*pcm_stop)(struct snd_pcm_substream *substream); u32 h_mixer; struct clk_cache cc; u16 can_dma; u16 support_grouping; u16 support_mrx; u16 update_interval_frames; u16 in_max_chans; u16 out_max_chans; u16 in_min_chans; u16 out_min_chans; }; /* Per stream data */ struct snd_card_asihpi_pcm { struct timer_list timer; unsigned int respawn_timer; unsigned int hpi_buffer_attached; unsigned int buffer_bytes; unsigned int period_bytes; unsigned int bytes_per_sec; unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */ unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */ unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */ unsigned int drained_count; struct snd_pcm_substream *substream; u32 h_stream; struct hpi_format format; }; /* universal stream verbs work with out or in stream handles */ /* Functions to allow driver to give a buffer to HPI for busmastering */ static u16 hpi_stream_host_buffer_attach( u32 h_stream, /* handle to outstream. */ u32 size_in_bytes, /* size in bytes of bus mastering buffer */ u32 pci_address ) { struct hpi_message hm; struct hpi_response hr; unsigned int obj = hpi_handle_object(h_stream); if (!h_stream) return HPI_ERROR_INVALID_OBJ; hpi_init_message_response(&hm, &hr, obj, obj == HPI_OBJ_OSTREAM ? HPI_OSTREAM_HOSTBUFFER_ALLOC : HPI_ISTREAM_HOSTBUFFER_ALLOC); hpi_handle_to_indexes(h_stream, &hm.adapter_index, &hm.obj_index); hm.u.d.u.buffer.buffer_size = size_in_bytes; hm.u.d.u.buffer.pci_address = pci_address; hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER; hpi_send_recv(&hm, &hr); return hr.error; } static u16 hpi_stream_host_buffer_detach(u32 h_stream) { struct hpi_message hm; struct hpi_response hr; unsigned int obj = hpi_handle_object(h_stream); if (!h_stream) return HPI_ERROR_INVALID_OBJ; hpi_init_message_response(&hm, &hr, obj, obj == HPI_OBJ_OSTREAM ? HPI_OSTREAM_HOSTBUFFER_FREE : HPI_ISTREAM_HOSTBUFFER_FREE); hpi_handle_to_indexes(h_stream, &hm.adapter_index, &hm.obj_index); hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER; hpi_send_recv(&hm, &hr); return hr.error; } static inline u16 hpi_stream_start(u32 h_stream) { if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) return hpi_outstream_start(h_stream); else return hpi_instream_start(h_stream); } static inline u16 hpi_stream_stop(u32 h_stream) { if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) return hpi_outstream_stop(h_stream); else return hpi_instream_stop(h_stream); } static inline u16 hpi_stream_get_info_ex( u32 h_stream, u16 *pw_state, u32 *pbuffer_size, u32 *pdata_in_buffer, u32 *psample_count, u32 *pauxiliary_data ) { u16 e; if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) e = hpi_outstream_get_info_ex(h_stream, pw_state, pbuffer_size, pdata_in_buffer, psample_count, pauxiliary_data); else e = hpi_instream_get_info_ex(h_stream, pw_state, pbuffer_size, pdata_in_buffer, psample_count, pauxiliary_data); return e; } static inline u16 hpi_stream_group_add( u32 h_master, u32 h_stream) { if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM) return hpi_outstream_group_add(h_master, h_stream); else return hpi_instream_group_add(h_master, h_stream); } static inline u16 hpi_stream_group_reset(u32 h_stream) { if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) return hpi_outstream_group_reset(h_stream); else return hpi_instream_group_reset(h_stream); } static u16 handle_error(u16 err, int line, char *filename) { if (err) printk(KERN_WARNING "in file %s, line %d: HPI error %d\n", filename, line, err); return err; } #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__) /***************************** GENERAL PCM ****************/ static void print_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *p) { char name[16]; snd_pcm_debug_name(substream, name, sizeof(name)); snd_printdd("%s HWPARAMS\n", name); snd_printdd(" samplerate=%dHz channels=%d format=%d subformat=%d\n", params_rate(p), params_channels(p), params_format(p), params_subformat(p)); snd_printdd(" buffer=%dB period=%dB period_size=%dB periods=%d\n", params_buffer_bytes(p), params_period_bytes(p), params_period_size(p), params_periods(p)); snd_printdd(" buffer_size=%d access=%d data_rate=%dB/s\n", params_buffer_size(p), params_access(p), params_rate(p) * params_channels(p) * snd_pcm_format_width(params_format(p)) / 8); } #define INVALID_FORMAT (__force snd_pcm_format_t)(-1) static const snd_pcm_format_t hpi_to_alsa_formats[] = { INVALID_FORMAT, /* INVALID */ SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */ SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */ INVALID_FORMAT, /* HPI_FORMAT_MPEG_L1 3 */ SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */ SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */ INVALID_FORMAT, /* HPI_FORMAT_DOLBY_AC2 6 */ INVALID_FORMAT, /* HPI_FORMAT_DOLBY_AC3 7 */ SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */ INVALID_FORMAT, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */ INVALID_FORMAT, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */ SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */ INVALID_FORMAT, /* HPI_FORMAT_RAW_BITSTREAM 12 */ INVALID_FORMAT, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */ SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */ #if 1 /* ALSA can't handle 3 byte sample size together with power-of-2 * constraint on buffer_bytes, so disable this format */ INVALID_FORMAT #else /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */ #endif }; static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format, u16 *hpi_format) { u16 format; for (format = HPI_FORMAT_PCM8_UNSIGNED; format <= HPI_FORMAT_PCM24_SIGNED; format++) { if (hpi_to_alsa_formats[format] == alsa_format) { *hpi_format = format; return 0; } } snd_printd(KERN_WARNING "failed match for alsa format %d\n", alsa_format); *hpi_format = 0; return -EINVAL; } static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi, struct snd_pcm_hardware *pcmhw) { u16 err; u32 h_control; u32 sample_rate; int idx; unsigned int rate_min = 200000; unsigned int rate_max = 0; unsigned int rates = 0; if (asihpi->support_mrx) { rates |= SNDRV_PCM_RATE_CONTINUOUS; rates |= SNDRV_PCM_RATE_8000_96000; rate_min = 8000; rate_max = 100000; } else { /* on cards without SRC, valid rates are determined by sampleclock */ err = hpi_mixer_get_control(asihpi->h_mixer, HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, HPI_CONTROL_SAMPLECLOCK, &h_control); if (err) { dev_err(&asihpi->pci->dev, "No local sampleclock, err %d\n", err); } for (idx = -1; idx < 100; idx++) { if (idx == -1) { if (hpi_sample_clock_get_sample_rate(h_control, &sample_rate)) continue; } else if (hpi_sample_clock_query_local_rate(h_control, idx, &sample_rate)) { break; } rate_min = min(rate_min, sample_rate); rate_max = max(rate_max, sample_rate); switch (sample_rate) { case 5512: rates |= SNDRV_PCM_RATE_5512; break; case 8000: rates |= SNDRV_PCM_RATE_8000; break; case 11025: rates |= SNDRV_PCM_RATE_11025; break; case 16000: rates |= SNDRV_PCM_RATE_16000; break; case 22050: rates |= SNDRV_PCM_RATE_22050; break; case 32000: rates |= SNDRV_PCM_RATE_32000; break; case 44100: rates |= SNDRV_PCM_RATE_44100; break; case 48000: rates |= SNDRV_PCM_RATE_48000; break; case 64000: rates |= SNDRV_PCM_RATE_64000; break; case 88200: rates |= SNDRV_PCM_RATE_88200; break; case 96000: rates |= SNDRV_PCM_RATE_96000; break; case 176400: rates |= SNDRV_PCM_RATE_176400; break; case 192000: rates |= SNDRV_PCM_RATE_192000; break; default: /* some other rate */ rates |= SNDRV_PCM_RATE_KNOT; } } } pcmhw->rates = rates; pcmhw->rate_min = rate_min; pcmhw->rate_max = rate_max; } static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); int err; u16 format; int width; unsigned int bytes_per_sec; print_hwparams(substream, params); err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format); if (err) return err; hpi_handle_error(hpi_format_create(&dpcm->format, params_channels(params), format, params_rate(params), 0, 0)); if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { if (hpi_instream_reset(dpcm->h_stream) != 0) return -EINVAL; if (hpi_instream_set_format( dpcm->h_stream, &dpcm->format) != 0) return -EINVAL; } dpcm->hpi_buffer_attached = 0; if (card->can_dma) { err = hpi_stream_host_buffer_attach(dpcm->h_stream, params_buffer_bytes(params), runtime->dma_addr); if (err == 0) { snd_printdd( "stream_host_buffer_attach success %u %lu\n", params_buffer_bytes(params), (unsigned long)runtime->dma_addr); } else { snd_printd("stream_host_buffer_attach error %d\n", err); return -ENOMEM; } err = hpi_stream_get_info_ex(dpcm->h_stream, NULL, &dpcm->hpi_buffer_attached, NULL, NULL, NULL); } bytes_per_sec = params_rate(params) * params_channels(params); width = snd_pcm_format_width(params_format(params)); bytes_per_sec *= width; bytes_per_sec /= 8; if (width < 0 || bytes_per_sec == 0) return -EINVAL; dpcm->bytes_per_sec = bytes_per_sec; dpcm->buffer_bytes = params_buffer_bytes(params); dpcm->period_bytes = params_period_bytes(params); return 0; } static int snd_card_asihpi_hw_free(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; if (dpcm->hpi_buffer_attached) hpi_stream_host_buffer_detach(dpcm->h_stream); return 0; } static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime) { struct snd_card_asihpi_pcm *dpcm = runtime->private_data; kfree(dpcm); } static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream * substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; int expiry; expiry = HZ / 200; expiry = max(expiry, 1); /* don't let it be zero! */ mod_timer(&dpcm->timer, jiffies + expiry); dpcm->respawn_timer = 1; } static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; dpcm->respawn_timer = 0; del_timer(&dpcm->timer); } static void snd_card_asihpi_pcm_int_start(struct snd_pcm_substream *substream) { struct snd_card_asihpi_pcm *dpcm; struct snd_card_asihpi *card; dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data; card = snd_pcm_substream_chip(substream); WARN_ON(in_interrupt()); card->llmode_streampriv = dpcm; hpi_handle_error(hpi_adapter_set_property(card->hpi->adapter->index, HPI_ADAPTER_PROPERTY_IRQ_RATE, card->update_interval_frames, 0)); } static void snd_card_asihpi_pcm_int_stop(struct snd_pcm_substream *substream) { struct snd_card_asihpi *card; card = snd_pcm_substream_chip(substream); hpi_handle_error(hpi_adapter_set_property(card->hpi->adapter->index, HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0)); card->llmode_streampriv = NULL; } static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); struct snd_pcm_substream *s; u16 e; char name[16]; snd_pcm_debug_name(substream, name, sizeof(name)); switch (cmd) { case SNDRV_PCM_TRIGGER_START: snd_printdd("%s trigger start\n", name); snd_pcm_group_for_each_entry(s, substream) { struct snd_pcm_runtime *runtime = s->runtime; struct snd_card_asihpi_pcm *ds = runtime->private_data; if (snd_pcm_substream_chip(s) != card) continue; /* don't link Cap and Play */ if (substream->stream != s->stream) continue; ds->drained_count = 0; if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* How do I know how much valid data is present * in buffer? Must be at least one period! * Guessing 2 periods, but if * buffer is bigger it may contain even more * data?? */ unsigned int preload = ds->period_bytes * 1; snd_printddd("%d preload %d\n", s->number, preload); hpi_handle_error(hpi_outstream_write_buf( ds->h_stream, &runtime->dma_area[0], preload, &ds->format)); ds->pcm_buf_host_rw_ofs = preload; } if (card->support_grouping) { snd_printdd("%d group\n", s->number); e = hpi_stream_group_add( dpcm->h_stream, ds->h_stream); if (!e) { snd_pcm_trigger_done(s, substream); } else { hpi_handle_error(e); break; } } else break; } /* start the master stream */ card->pcm_start(substream); if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) || !card->can_dma) hpi_handle_error(hpi_stream_start(dpcm->h_stream)); break; case SNDRV_PCM_TRIGGER_STOP: snd_printdd("%s trigger stop\n", name); card->pcm_stop(substream); snd_pcm_group_for_each_entry(s, substream) { if (snd_pcm_substream_chip(s) != card) continue; /* don't link Cap and Play */ if (substream->stream != s->stream) continue; /*? workaround linked streams don't transition to SETUP 20070706*/ __snd_pcm_set_state(s->runtime, SNDRV_PCM_STATE_SETUP); if (card->support_grouping) { snd_printdd("%d group\n", s->number); snd_pcm_trigger_done(s, substream); } else break; } /* _prepare and _hwparams reset the stream */ hpi_handle_error(hpi_stream_stop(dpcm->h_stream)); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) hpi_handle_error( hpi_outstream_reset(dpcm->h_stream)); if (card->support_grouping) hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream)); break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: snd_printdd("%s trigger pause release\n", name); card->pcm_start(substream); hpi_handle_error(hpi_stream_start(dpcm->h_stream)); break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: snd_printdd("%s trigger pause push\n", name); card->pcm_stop(substream); hpi_handle_error(hpi_stream_stop(dpcm->h_stream)); break; default: snd_printd(KERN_ERR "\tINVALID\n"); return -EINVAL; } return 0; } /*algorithm outline Without linking degenerates to getting single stream pos etc Without mmap 2nd loop degenerates to snd_pcm_period_elapsed */ /* pcm_buf_dma_ofs=get_buf_pos(s); for_each_linked_stream(s) { pcm_buf_dma_ofs=get_buf_pos(s); min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes) new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos) } timer.expires = jiffies + predict_next_period_ready(min_buf_pos); for_each_linked_stream(s) { s->pcm_buf_dma_ofs = min_buf_pos; if (new_data > period_bytes) { if (mmap) { irq_pos = (irq_pos + period_bytes) % buffer_bytes; if (playback) { write(period_bytes); } else { read(period_bytes); } } snd_pcm_period_elapsed(s); } } */ /** Minimum of 2 modulo values. Works correctly when the difference between * the values is less than half the modulus */ static inline unsigned int modulo_min(unsigned int a, unsigned int b, unsigned long int modulus) { unsigned int result; if (((a-b) % modulus) < (modulus/2)) result = b; else result = a; return result; } /** Timer function, equivalent to interrupt service routine for cards */ static void snd_card_asihpi_timer_function(struct timer_list *t) { struct snd_card_asihpi_pcm *dpcm = from_timer(dpcm, t, timer); struct snd_pcm_substream *substream = dpcm->substream; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime; struct snd_pcm_substream *s; unsigned int newdata = 0; unsigned int pcm_buf_dma_ofs, min_buf_pos = 0; unsigned int remdata, xfercount, next_jiffies; int first = 1; u16 state; u32 buffer_size, bytes_avail, samples_played, on_card_bytes; char name[16]; snd_pcm_debug_name(substream, name, sizeof(name)); /* find minimum newdata and buffer pos in group */ snd_pcm_group_for_each_entry(s, substream) { struct snd_card_asihpi_pcm *ds = s->runtime->private_data; runtime = s->runtime; if (snd_pcm_substream_chip(s) != card) continue; /* don't link Cap and Play */ if (substream->stream != s->stream) continue; hpi_handle_error(hpi_stream_get_info_ex( ds->h_stream, &state, &buffer_size, &bytes_avail, &samples_played, &on_card_bytes)); /* number of bytes in on-card buffer */ runtime->delay = on_card_bytes; if (!card->can_dma) on_card_bytes = bytes_avail; if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail; if (state == HPI_STATE_STOPPED) { if (bytes_avail == 0) { hpi_handle_error(hpi_stream_start(ds->h_stream)); snd_printdd("P%d start\n", s->number); ds->drained_count = 0; } } else if (state == HPI_STATE_DRAINED) { snd_printd(KERN_WARNING "P%d drained\n", s->number); ds->drained_count++; if (ds->drained_count > 20) { snd_pcm_stop_xrun(s); continue; } } else { ds->drained_count = 0; } } else pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs; if (first) { /* can't statically init min when wrap is involved */ min_buf_pos = pcm_buf_dma_ofs; newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes; first = 0; } else { min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L); newdata = min( (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes, newdata); } snd_printddd( "timer1, %s, %d, S=%d, elap=%d, rw=%d, dsp=%d, left=%d, aux=%d, space=%d, hw_ptr=%ld, appl_ptr=%ld\n", name, s->number, state, ds->pcm_buf_elapsed_dma_ofs, ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, (int)bytes_avail, (int)on_card_bytes, buffer_size-bytes_avail, (unsigned long)frames_to_bytes(runtime, runtime->status->hw_ptr), (unsigned long)frames_to_bytes(runtime, runtime->control->appl_ptr) ); } pcm_buf_dma_ofs = min_buf_pos; remdata = newdata % dpcm->period_bytes; xfercount = newdata - remdata; /* a multiple of period_bytes */ /* come back when on_card_bytes has decreased enough to allow write to happen, or when data has been consumed to make another period */ if (xfercount && (on_card_bytes > dpcm->period_bytes)) next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec); else next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec); next_jiffies = max(next_jiffies, 1U); dpcm->timer.expires = jiffies + next_jiffies; snd_printddd("timer2, jif=%d, buf_pos=%d, newdata=%d, xfer=%d\n", next_jiffies, pcm_buf_dma_ofs, newdata, xfercount); snd_pcm_group_for_each_entry(s, substream) { struct snd_card_asihpi_pcm *ds = s->runtime->private_data; /* don't link Cap and Play */ if (substream->stream != s->stream) continue; /* Store dma offset for use by pointer callback */ ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs; if (xfercount && /* Limit use of on card fifo for playback */ ((on_card_bytes <= ds->period_bytes) || (s->stream == SNDRV_PCM_STREAM_CAPTURE))) { unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes; unsigned int xfer1, xfer2; char *pd = &s->runtime->dma_area[buf_ofs]; if (card->can_dma) { /* buffer wrap is handled at lower level */ xfer1 = xfercount; xfer2 = 0; } else { xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs); xfer2 = xfercount - xfer1; } if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { snd_printddd("write1, P=%d, xfer=%d, buf_ofs=%d\n", s->number, xfer1, buf_ofs); hpi_handle_error( hpi_outstream_write_buf( ds->h_stream, pd, xfer1, &ds->format)); if (xfer2) { pd = s->runtime->dma_area; snd_printddd("write2, P=%d, xfer=%d, buf_ofs=%d\n", s->number, xfercount - xfer1, buf_ofs); hpi_handle_error( hpi_outstream_write_buf( ds->h_stream, pd, xfercount - xfer1, &ds->format)); } } else { snd_printddd("read1, C=%d, xfer=%d\n", s->number, xfer1); hpi_handle_error( hpi_instream_read_buf( ds->h_stream, pd, xfer1)); if (xfer2) { pd = s->runtime->dma_area; snd_printddd("read2, C=%d, xfer=%d\n", s->number, xfer2); hpi_handle_error( hpi_instream_read_buf( ds->h_stream, pd, xfer2)); } } /* ? host_rw_ofs always ahead of elapsed_dma_ofs by preload size? */ ds->pcm_buf_host_rw_ofs += xfercount; ds->pcm_buf_elapsed_dma_ofs += xfercount; snd_pcm_period_elapsed(s); } } if (!card->hpi->interrupt_mode && dpcm->respawn_timer) add_timer(&dpcm->timer); } static void snd_card_asihpi_isr(struct hpi_adapter *a) { struct snd_card_asihpi *asihpi; WARN_ON(!a || !a->snd_card || !a->snd_card->private_data); asihpi = (struct snd_card_asihpi *)a->snd_card->private_data; if (asihpi->llmode_streampriv) snd_card_asihpi_timer_function( &asihpi->llmode_streampriv->timer); } /***************************** PLAYBACK OPS ****************/ static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream * substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; snd_printdd("P%d prepare\n", substream->number); hpi_handle_error(hpi_outstream_reset(dpcm->h_stream)); dpcm->pcm_buf_host_rw_ofs = 0; dpcm->pcm_buf_dma_ofs = 0; dpcm->pcm_buf_elapsed_dma_ofs = 0; return 0; } static snd_pcm_uframes_t snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; snd_pcm_uframes_t ptr; char name[16]; snd_pcm_debug_name(substream, name, sizeof(name)); ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); snd_printddd("%s, pointer=%ld\n", name, (unsigned long)ptr); return ptr; } static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi, u32 h_stream) { struct hpi_format hpi_format; u16 format; u16 err; u32 h_control; u32 sample_rate = 48000; u64 formats = 0; /* on cards without SRC, must query at valid rate, * maybe set by external sync */ err = hpi_mixer_get_control(asihpi->h_mixer, HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, HPI_CONTROL_SAMPLECLOCK, &h_control); if (!err) err = hpi_sample_clock_get_sample_rate(h_control, &sample_rate); for (format = HPI_FORMAT_PCM8_UNSIGNED; format <= HPI_FORMAT_PCM24_SIGNED; format++) { err = hpi_format_create(&hpi_format, asihpi->out_max_chans, format, sample_rate, 128000, 0); if (!err) err = hpi_outstream_query_format(h_stream, &hpi_format); if (!err && (hpi_to_alsa_formats[format] != INVALID_FORMAT)) formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]); } return formats; } static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); struct snd_pcm_hardware snd_card_asihpi_playback; int err; dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); if (dpcm == NULL) return -ENOMEM; err = hpi_outstream_open(card->hpi->adapter->index, substream->number, &dpcm->h_stream); hpi_handle_error(err); if (err) kfree(dpcm); if (err == HPI_ERROR_OBJ_ALREADY_OPEN) return -EBUSY; if (err) return -EIO; /*? also check ASI5000 samplerate source If external, only support external rate. If internal and other stream playing, can't switch */ timer_setup(&dpcm->timer, snd_card_asihpi_timer_function, 0); dpcm->substream = substream; runtime->private_data = dpcm; runtime->private_free = snd_card_asihpi_runtime_free; memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback)); if (!card->hpi->interrupt_mode) { snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX; snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN; snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; snd_card_asihpi_playback.periods_min = PERIODS_MIN; snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; } else { size_t pbmin = card->update_interval_frames * card->out_max_chans; snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX; snd_card_asihpi_playback.period_bytes_min = pbmin; snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; snd_card_asihpi_playback.periods_min = PERIODS_MIN; snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / pbmin; } /* snd_card_asihpi_playback.fifo_size = 0; */ snd_card_asihpi_playback.channels_max = card->out_max_chans; snd_card_asihpi_playback.channels_min = card->out_min_chans; snd_card_asihpi_playback.formats = snd_card_asihpi_playback_formats(card, dpcm->h_stream); snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback); snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_DOUBLE | SNDRV_PCM_INFO_BATCH | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID; if (card->support_grouping) { snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START; snd_pcm_set_sync(substream); } /* struct is copied, so can create initializer dynamically */ runtime->hw = snd_card_asihpi_playback; if (card->can_dma) err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES); if (err < 0) return err; snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, card->update_interval_frames); snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, card->update_interval_frames, UINT_MAX); snd_printdd("playback open\n"); return 0; } static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; hpi_handle_error(hpi_outstream_close(dpcm->h_stream)); snd_printdd("playback close\n"); return 0; } static const struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { .open = snd_card_asihpi_playback_open, .close = snd_card_asihpi_playback_close, .hw_params = snd_card_asihpi_pcm_hw_params, .hw_free = snd_card_asihpi_hw_free, .prepare = snd_card_asihpi_playback_prepare, .trigger = snd_card_asihpi_trigger, .pointer = snd_card_asihpi_playback_pointer, }; /***************************** CAPTURE OPS ****************/ static snd_pcm_uframes_t snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; char name[16]; snd_pcm_debug_name(substream, name, sizeof(name)); snd_printddd("%s, pointer=%d\n", name, dpcm->pcm_buf_dma_ofs); /* NOTE Unlike playback can't use actual samples_played for the capture position, because those samples aren't yet in the local buffer available for reading. */ return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); } static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; hpi_handle_error(hpi_instream_reset(dpcm->h_stream)); dpcm->pcm_buf_host_rw_ofs = 0; dpcm->pcm_buf_dma_ofs = 0; dpcm->pcm_buf_elapsed_dma_ofs = 0; snd_printdd("Capture Prepare %d\n", substream->number); return 0; } static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi, u32 h_stream) { struct hpi_format hpi_format; u16 format; u16 err; u32 h_control; u32 sample_rate = 48000; u64 formats = 0; /* on cards without SRC, must query at valid rate, maybe set by external sync */ err = hpi_mixer_get_control(asihpi->h_mixer, HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, HPI_CONTROL_SAMPLECLOCK, &h_control); if (!err) err = hpi_sample_clock_get_sample_rate(h_control, &sample_rate); for (format = HPI_FORMAT_PCM8_UNSIGNED; format <= HPI_FORMAT_PCM24_SIGNED; format++) { err = hpi_format_create(&hpi_format, asihpi->in_max_chans, format, sample_rate, 128000, 0); if (!err) err = hpi_instream_query_format(h_stream, &hpi_format); if (!err && (hpi_to_alsa_formats[format] != INVALID_FORMAT)) formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]); } return formats; } static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); struct snd_card_asihpi_pcm *dpcm; struct snd_pcm_hardware snd_card_asihpi_capture; int err; dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); if (dpcm == NULL) return -ENOMEM; snd_printdd("capture open adapter %d stream %d\n", card->hpi->adapter->index, substream->number); err = hpi_handle_error( hpi_instream_open(card->hpi->adapter->index, substream->number, &dpcm->h_stream)); if (err) kfree(dpcm); if (err == HPI_ERROR_OBJ_ALREADY_OPEN) return -EBUSY; if (err) return -EIO; timer_setup(&dpcm->timer, snd_card_asihpi_timer_function, 0); dpcm->substream = substream; runtime->private_data = dpcm; runtime->private_free = snd_card_asihpi_runtime_free; memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture)); if (!card->hpi->interrupt_mode) { snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX; snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN; snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; snd_card_asihpi_capture.periods_min = PERIODS_MIN; snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; } else { size_t pbmin = card->update_interval_frames * card->out_max_chans; snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX; snd_card_asihpi_capture.period_bytes_min = pbmin; snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; snd_card_asihpi_capture.periods_min = PERIODS_MIN; snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / pbmin; } /* snd_card_asihpi_capture.fifo_size = 0; */ snd_card_asihpi_capture.channels_max = card->in_max_chans; snd_card_asihpi_capture.channels_min = card->in_min_chans; snd_card_asihpi_capture.formats = snd_card_asihpi_capture_formats(card, dpcm->h_stream); snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture); snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID; if (card->support_grouping) snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START; runtime->hw = snd_card_asihpi_capture; if (card->can_dma) err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES); if (err < 0) return err; snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, card->update_interval_frames); snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, card->update_interval_frames, UINT_MAX); snd_pcm_set_sync(substream); return 0; } static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream) { struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; hpi_handle_error(hpi_instream_close(dpcm->h_stream)); return 0; } static const struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { .open = snd_card_asihpi_capture_open, .close = snd_card_asihpi_capture_close, .hw_params = snd_card_asihpi_pcm_hw_params, .hw_free = snd_card_asihpi_hw_free, .prepare = snd_card_asihpi_capture_prepare, .trigger = snd_card_asihpi_trigger, .pointer = snd_card_asihpi_capture_pointer, }; static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device) { struct snd_pcm *pcm; int err; u16 num_instreams, num_outstreams, x16; u32 x32; err = hpi_adapter_get_info(asihpi->hpi->adapter->index, &num_outstreams, &num_instreams, &x16, &x32, &x16); err = snd_pcm_new(asihpi->card, "Asihpi PCM", device, num_outstreams, num_instreams, &pcm); if (err < 0) return err; /* pointer to ops struct is stored, dont change ops afterwards! */ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_asihpi_playback_mmap_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_asihpi_capture_mmap_ops); pcm->private_data = asihpi; pcm->info_flags = 0; strcpy(pcm->name, "Asihpi PCM"); /*? do we want to emulate MMAP for non-BBM cards? Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &asihpi->pci->dev, 64*1024, BUFFER_BYTES_MAX); return 0; } /***************************** MIXER CONTROLS ****************/ struct hpi_control { u32 h_control; u16 control_type; u16 src_node_type; u16 src_node_index; u16 dst_node_type; u16 dst_node_index; u16 band; char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */ }; static const char * const asihpi_tuner_band_names[] = { "invalid", "AM", "FM mono", "TV NTSC-M", "FM stereo", "AUX", "TV PAL BG", "TV PAL I", "TV PAL DK", "TV SECAM", "TV DAB", }; /* Number of strings must match the enumerations for HPI_TUNER_BAND in hpi.h */ compile_time_assert( (ARRAY_SIZE(asihpi_tuner_band_names) == (HPI_TUNER_BAND_LAST+1)), assert_tuner_band_names_size); static const char * const asihpi_src_names[] = { "no source", "PCM", "Line", "Digital", "Tuner", "RF", "Clock", "Bitstream", "Mic", "Net", "Analog", "Adapter", "RTP", "Internal", "AVB", "BLU-Link" }; /* Number of strings must match the enumerations for HPI_SOURCENODES in hpi.h */ compile_time_assert( (ARRAY_SIZE(asihpi_src_names) == (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)), assert_src_names_size); static const char * const asihpi_dst_names[] = { "no destination", "PCM", "Line", "Digital", "RF", "Speaker", "Net", "Analog", "RTP", "AVB", "Internal", "BLU-Link" }; /* Number of strings must match the enumerations for HPI_DESTNODES in hpi.h */ compile_time_assert( (ARRAY_SIZE(asihpi_dst_names) == (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)), assert_dst_names_size); static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl, struct snd_card_asihpi *asihpi) { int err; err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi)); if (err < 0) return err; else if (mixer_dump) dev_info(&asihpi->pci->dev, "added %s(%d)\n", ctl->name, ctl->index); return 0; } /* Convert HPI control name and location into ALSA control name */ static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control, struct hpi_control *hpi_ctl, char *name) { char *dir; memset(snd_control, 0, sizeof(*snd_control)); snd_control->name = hpi_ctl->name; snd_control->private_value = hpi_ctl->h_control; snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER; snd_control->index = 0; if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE) dir = ""; /* clock is neither capture nor playback */ else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM) dir = "Capture "; /* On or towards a PCM capture destination*/ else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && (!hpi_ctl->dst_node_type)) dir = "Capture "; /* On a source node that is not PCM playback */ else if (hpi_ctl->src_node_type && (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && (hpi_ctl->dst_node_type)) dir = "Monitor Playback "; /* Between an input and an output */ else dir = "Playback "; /* PCM Playback source, or output node */ if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type) sprintf(hpi_ctl->name, "%s %d %s %d %s%s", asihpi_src_names[hpi_ctl->src_node_type], hpi_ctl->src_node_index, asihpi_dst_names[hpi_ctl->dst_node_type], hpi_ctl->dst_node_index, dir, name); else if (hpi_ctl->dst_node_type) { sprintf(hpi_ctl->name, "%s %d %s%s", asihpi_dst_names[hpi_ctl->dst_node_type], hpi_ctl->dst_node_index, dir, name); } else { sprintf(hpi_ctl->name, "%s %d %s%s", asihpi_src_names[hpi_ctl->src_node_type], hpi_ctl->src_node_index, dir, name); } /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name, hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */ } /*------------------------------------------------------------ Volume controls ------------------------------------------------------------*/ #define VOL_STEP_mB 1 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u32 h_control = kcontrol->private_value; u32 count; u16 err; /* native gains are in millibels */ short min_gain_mB; short max_gain_mB; short step_gain_mB; err = hpi_volume_query_range(h_control, &min_gain_mB, &max_gain_mB, &step_gain_mB); if (err) { max_gain_mB = 0; min_gain_mB = -10000; step_gain_mB = VOL_STEP_mB; } err = hpi_meter_query_channels(h_control, &count); if (err) count = HPI_MAX_CHANNELS; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = count; uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB; uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB; uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB; return 0; } static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; short an_gain_mB[HPI_MAX_CHANNELS]; hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB)); ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB; ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB; return 0; } static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; short an_gain_mB[HPI_MAX_CHANNELS]; an_gain_mB[0] = (ucontrol->value.integer.value[0]) * VOL_STEP_mB; an_gain_mB[1] = (ucontrol->value.integer.value[1]) * VOL_STEP_mB; /* change = asihpi->mixer_volume[addr][0] != left || asihpi->mixer_volume[addr][1] != right; */ hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB)); return 1; } static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0); #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u32 mute; hpi_handle_error(hpi_volume_get_mute(h_control, &mute)); ucontrol->value.integer.value[0] = mute ? 0 : 1; return 0; } static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; /* HPI currently only supports all or none muting of multichannel volume ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted */ int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS; hpi_handle_error(hpi_volume_set_mute(h_control, mute)); return 1; } static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; int err; u32 mute; asihpi_ctl_init(&snd_control, hpi_ctl, "Volume"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ; snd_control.info = snd_asihpi_volume_info; snd_control.get = snd_asihpi_volume_get; snd_control.put = snd_asihpi_volume_put; snd_control.tlv.p = db_scale_100; err = ctl_add(card, &snd_control, asihpi); if (err) return err; if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) { asihpi_ctl_init(&snd_control, hpi_ctl, "Switch"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; snd_control.info = snd_asihpi_volume_mute_info; snd_control.get = snd_asihpi_volume_mute_get; snd_control.put = snd_asihpi_volume_mute_put; err = ctl_add(card, &snd_control, asihpi); } return err; } /*------------------------------------------------------------ Level controls ------------------------------------------------------------*/ static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u32 h_control = kcontrol->private_value; u16 err; short min_gain_mB; short max_gain_mB; short step_gain_mB; err = hpi_level_query_range(h_control, &min_gain_mB, &max_gain_mB, &step_gain_mB); if (err) { max_gain_mB = 2400; min_gain_mB = -1000; step_gain_mB = 100; } uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB; uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB; uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB; return 0; } static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; short an_gain_mB[HPI_MAX_CHANNELS]; hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB)); ucontrol->value.integer.value[0] = an_gain_mB[0] / HPI_UNITS_PER_dB; ucontrol->value.integer.value[1] = an_gain_mB[1] / HPI_UNITS_PER_dB; return 0; } static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int change; u32 h_control = kcontrol->private_value; short an_gain_mB[HPI_MAX_CHANNELS]; an_gain_mB[0] = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; an_gain_mB[1] = (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB; /* change = asihpi->mixer_level[addr][0] != left || asihpi->mixer_level[addr][1] != right; */ change = 1; hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB)); return change; } static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0); static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; /* can't use 'volume' cos some nodes have volume as well */ asihpi_ctl_init(&snd_control, hpi_ctl, "Level"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ; snd_control.info = snd_asihpi_level_info; snd_control.get = snd_asihpi_level_get; snd_control.put = snd_asihpi_level_put; snd_control.tlv.p = db_scale_level; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ AESEBU controls ------------------------------------------------------------*/ /* AESEBU format */ static const char * const asihpi_aesebu_format_names[] = { "N/A", "S/PDIF", "AES/EBU" }; static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { return snd_ctl_enum_info(uinfo, 1, 3, asihpi_aesebu_format_names); } static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol, u16 (*func)(u32, u16 *)) { u32 h_control = kcontrol->private_value; u16 source, err; err = func(h_control, &source); /* default to N/A */ ucontrol->value.enumerated.item[0] = 0; /* return success but set the control to N/A */ if (err) return 0; if (source == HPI_AESEBU_FORMAT_SPDIF) ucontrol->value.enumerated.item[0] = 1; if (source == HPI_AESEBU_FORMAT_AESEBU) ucontrol->value.enumerated.item[0] = 2; return 0; } static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol, u16 (*func)(u32, u16)) { u32 h_control = kcontrol->private_value; /* default to S/PDIF */ u16 source = HPI_AESEBU_FORMAT_SPDIF; if (ucontrol->value.enumerated.item[0] == 1) source = HPI_AESEBU_FORMAT_SPDIF; if (ucontrol->value.enumerated.item[0] == 2) source = HPI_AESEBU_FORMAT_AESEBU; if (func(h_control, source) != 0) return -EINVAL; return 1; } static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, hpi_aesebu_receiver_get_format); } static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, hpi_aesebu_receiver_set_format); } static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 0X1F; uinfo->value.integer.step = 1; return 0; } static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u16 status; hpi_handle_error(hpi_aesebu_receiver_get_error_status( h_control, &status)); ucontrol->value.integer.value[0] = status; return 0; } static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; snd_control.info = snd_asihpi_aesebu_format_info; snd_control.get = snd_asihpi_aesebu_rx_format_get; snd_control.put = snd_asihpi_aesebu_rx_format_put; if (ctl_add(card, &snd_control, asihpi) < 0) return -EINVAL; asihpi_ctl_init(&snd_control, hpi_ctl, "Status"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; snd_control.info = snd_asihpi_aesebu_rxstatus_info; snd_control.get = snd_asihpi_aesebu_rxstatus_get; return ctl_add(card, &snd_control, asihpi); } static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, hpi_aesebu_transmitter_get_format); } static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, hpi_aesebu_transmitter_set_format); } static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; snd_control.info = snd_asihpi_aesebu_format_info; snd_control.get = snd_asihpi_aesebu_tx_format_get; snd_control.put = snd_asihpi_aesebu_tx_format_put; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ Tuner controls ------------------------------------------------------------*/ /* Gain */ static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u32 h_control = kcontrol->private_value; u16 err; short idx; u16 gain_range[3]; for (idx = 0; idx < 3; idx++) { err = hpi_tuner_query_gain(h_control, idx, &gain_range[idx]); if (err != 0) return err; } uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB; uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB; uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB; return 0; } static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { /* struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); */ u32 h_control = kcontrol->private_value; short gain; hpi_handle_error(hpi_tuner_get_gain(h_control, &gain)); ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB; return 0; } static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { /* struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); */ u32 h_control = kcontrol->private_value; short gain; gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; hpi_handle_error(hpi_tuner_set_gain(h_control, gain)); return 1; } /* Band */ static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol, u16 *band_list, u32 len) { u32 h_control = kcontrol->private_value; u16 err = 0; u32 i; for (i = 0; i < len; i++) { err = hpi_tuner_query_band( h_control, i, &band_list[i]); if (err != 0) break; } if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX)) return -EIO; return i; } static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u16 tuner_bands[HPI_TUNER_BAND_LAST]; int num_bands = 0; num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, HPI_TUNER_BAND_LAST); if (num_bands < 0) return num_bands; return snd_ctl_enum_info(uinfo, 1, num_bands, asihpi_tuner_band_names); } static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; /* struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); */ u16 band, idx; u16 tuner_bands[HPI_TUNER_BAND_LAST]; __always_unused u32 num_bands; num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, HPI_TUNER_BAND_LAST); hpi_handle_error(hpi_tuner_get_band(h_control, &band)); ucontrol->value.enumerated.item[0] = -1; for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++) if (tuner_bands[idx] == band) { ucontrol->value.enumerated.item[0] = idx; break; } return 0; } static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { /* struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); */ u32 h_control = kcontrol->private_value; unsigned int idx; u16 band; u16 tuner_bands[HPI_TUNER_BAND_LAST]; __always_unused u32 num_bands; num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, HPI_TUNER_BAND_LAST); idx = ucontrol->value.enumerated.item[0]; if (idx >= ARRAY_SIZE(tuner_bands)) idx = ARRAY_SIZE(tuner_bands) - 1; band = tuner_bands[idx]; hpi_handle_error(hpi_tuner_set_band(h_control, band)); return 1; } /* Freq */ static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u32 h_control = kcontrol->private_value; u16 err; u16 tuner_bands[HPI_TUNER_BAND_LAST]; u16 num_bands = 0, band_iter, idx; u32 freq_range[3], temp_freq_range[3]; num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, HPI_TUNER_BAND_LAST); freq_range[0] = INT_MAX; freq_range[1] = 0; freq_range[2] = INT_MAX; for (band_iter = 0; band_iter < num_bands; band_iter++) { for (idx = 0; idx < 3; idx++) { err = hpi_tuner_query_frequency(h_control, idx, tuner_bands[band_iter], &temp_freq_range[idx]); if (err != 0) return err; } /* skip band with bogus stepping */ if (temp_freq_range[2] <= 0) continue; if (temp_freq_range[0] < freq_range[0]) freq_range[0] = temp_freq_range[0]; if (temp_freq_range[1] > freq_range[1]) freq_range[1] = temp_freq_range[1]; if (temp_freq_range[2] < freq_range[2]) freq_range[2] = temp_freq_range[2]; } uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = ((int)freq_range[0]); uinfo->value.integer.max = ((int)freq_range[1]); uinfo->value.integer.step = ((int)freq_range[2]); return 0; } static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u32 freq; hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq)); ucontrol->value.integer.value[0] = freq; return 0; } static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u32 freq; freq = ucontrol->value.integer.value[0]; hpi_handle_error(hpi_tuner_set_frequency(h_control, freq)); return 1; } /* Tuner control group initializer */ static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; snd_control.private_value = hpi_ctl->h_control; snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) { asihpi_ctl_init(&snd_control, hpi_ctl, "Gain"); snd_control.info = snd_asihpi_tuner_gain_info; snd_control.get = snd_asihpi_tuner_gain_get; snd_control.put = snd_asihpi_tuner_gain_put; if (ctl_add(card, &snd_control, asihpi) < 0) return -EINVAL; } asihpi_ctl_init(&snd_control, hpi_ctl, "Band"); snd_control.info = snd_asihpi_tuner_band_info; snd_control.get = snd_asihpi_tuner_band_get; snd_control.put = snd_asihpi_tuner_band_put; if (ctl_add(card, &snd_control, asihpi) < 0) return -EINVAL; asihpi_ctl_init(&snd_control, hpi_ctl, "Freq"); snd_control.info = snd_asihpi_tuner_freq_info; snd_control.get = snd_asihpi_tuner_freq_get; snd_control.put = snd_asihpi_tuner_freq_put; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ Meter controls ------------------------------------------------------------*/ static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u32 h_control = kcontrol->private_value; u32 count; u16 err; err = hpi_meter_query_channels(h_control, &count); if (err) count = HPI_MAX_CHANNELS; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = count; uinfo->value.integer.min = 0; uinfo->value.integer.max = 0x7FFFFFFF; return 0; } /* linear values for 10dB steps */ static const int log2lin[] = { 0x7FFFFFFF, /* 0dB */ 679093956, 214748365, 67909396, 21474837, 6790940, 2147484, /* -60dB */ 679094, 214748, /* -80 */ 67909, 21475, /* -100 */ 6791, 2147, 679, 214, 68, 21, 7, 2 }; static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; short an_gain_mB[HPI_MAX_CHANNELS], i; u16 err; err = hpi_meter_get_peak(h_control, an_gain_mB); for (i = 0; i < HPI_MAX_CHANNELS; i++) { if (err) { ucontrol->value.integer.value[i] = 0; } else if (an_gain_mB[i] >= 0) { ucontrol->value.integer.value[i] = an_gain_mB[i] << 16; } else { /* -ve is log value in millibels < -60dB, * convert to (roughly!) linear, */ ucontrol->value.integer.value[i] = log2lin[an_gain_mB[i] / -1000]; } } return 0; } static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl, int subidx) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; asihpi_ctl_init(&snd_control, hpi_ctl, "Meter"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; snd_control.info = snd_asihpi_meter_info; snd_control.get = snd_asihpi_meter_get; snd_control.index = subidx; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ Multiplexer controls ------------------------------------------------------------*/ static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control) { u32 h_control = snd_control->private_value; struct hpi_control hpi_ctl; int s, err; for (s = 0; s < 32; s++) { err = hpi_multiplexer_query_source(h_control, s, &hpi_ctl. src_node_type, &hpi_ctl. src_node_index); if (err) break; } return s; } static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { u16 src_node_type, src_node_index; u32 h_control = kcontrol->private_value; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = snd_card_asihpi_mux_count_sources(kcontrol); if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; hpi_multiplexer_query_source(h_control, uinfo->value.enumerated.item, &src_node_type, &src_node_index); sprintf(uinfo->value.enumerated.name, "%s %d", asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE], src_node_index); return 0; } static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u16 source_type, source_index; u16 src_node_type, src_node_index; int s; hpi_handle_error(hpi_multiplexer_get_source(h_control, &source_type, &source_index)); /* Should cache this search result! */ for (s = 0; s < 256; s++) { if (hpi_multiplexer_query_source(h_control, s, &src_node_type, &src_node_index)) break; if ((source_type == src_node_type) && (source_index == src_node_index)) { ucontrol->value.enumerated.item[0] = s; return 0; } } snd_printd(KERN_WARNING "Control %x failed to match mux source %hu %hu\n", h_control, source_type, source_index); ucontrol->value.enumerated.item[0] = 0; return 0; } static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int change; u32 h_control = kcontrol->private_value; u16 source_type, source_index; u16 e; change = 1; e = hpi_multiplexer_query_source(h_control, ucontrol->value.enumerated.item[0], &source_type, &source_index); if (!e) hpi_handle_error( hpi_multiplexer_set_source(h_control, source_type, source_index)); return change; } static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; asihpi_ctl_init(&snd_control, hpi_ctl, "Route"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; snd_control.info = snd_asihpi_mux_info; snd_control.get = snd_asihpi_mux_get; snd_control.put = snd_asihpi_mux_put; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ Channel mode controls ------------------------------------------------------------*/ static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = { "invalid", "Normal", "Swap", "From Left", "From Right", "To Left", "To Right" }; u32 h_control = kcontrol->private_value; u16 mode; int i; const char *mapped_names[6]; int valid_modes = 0; /* HPI channel mode values can be from 1 to 6 Some adapters only support a contiguous subset */ for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++) if (!hpi_channel_mode_query_mode( h_control, i, &mode)) { mapped_names[valid_modes] = mode_names[mode]; valid_modes++; } if (!valid_modes) return -EINVAL; return snd_ctl_enum_info(uinfo, 1, valid_modes, mapped_names); } static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u16 mode; if (hpi_channel_mode_get(h_control, &mode)) mode = 1; ucontrol->value.enumerated.item[0] = mode - 1; return 0; } static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int change; u32 h_control = kcontrol->private_value; change = 1; hpi_handle_error(hpi_channel_mode_set(h_control, ucontrol->value.enumerated.item[0] + 1)); return change; } static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card = asihpi->card; struct snd_kcontrol_new snd_control; asihpi_ctl_init(&snd_control, hpi_ctl, "Mode"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; snd_control.info = snd_asihpi_cmode_info; snd_control.get = snd_asihpi_cmode_get; snd_control.put = snd_asihpi_cmode_put; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ Sampleclock source controls ------------------------------------------------------------*/ static const char * const sampleclock_sources[] = { "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header", "SMPTE", "Digital1", "Auto", "Network", "Invalid", "Prev Module", "BLU-Link", "Digital2", "Digital3", "Digital4", "Digital5", "Digital6", "Digital7", "Digital8"}; /* Number of strings must match expected enumerated values */ compile_time_assert( (ARRAY_SIZE(sampleclock_sources) == MAX_CLOCKSOURCES), assert_sampleclock_sources_size); static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct snd_card_asihpi *asihpi = (struct snd_card_asihpi *)(kcontrol->private_data); struct clk_cache *clkcache = &asihpi->cc; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = clkcache->count; if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; strcpy(uinfo->value.enumerated.name, clkcache->s[uinfo->value.enumerated.item].name); return 0; } static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_card_asihpi *asihpi = (struct snd_card_asihpi *)(kcontrol->private_data); struct clk_cache *clkcache = &asihpi->cc; u32 h_control = kcontrol->private_value; u16 source, srcindex = 0; int i; ucontrol->value.enumerated.item[0] = 0; if (hpi_sample_clock_get_source(h_control, &source)) source = 0; if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) if (hpi_sample_clock_get_source_index(h_control, &srcindex)) srcindex = 0; for (i = 0; i < clkcache->count; i++) if ((clkcache->s[i].source == source) && (clkcache->s[i].index == srcindex)) break; ucontrol->value.enumerated.item[0] = i; return 0; } static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_card_asihpi *asihpi = (struct snd_card_asihpi *)(kcontrol->private_data); struct clk_cache *clkcache = &asihpi->cc; unsigned int item; int change; u32 h_control = kcontrol->private_value; change = 1; item = ucontrol->value.enumerated.item[0]; if (item >= clkcache->count) item = clkcache->count-1; hpi_handle_error(hpi_sample_clock_set_source( h_control, clkcache->s[item].source)); if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) hpi_handle_error(hpi_sample_clock_set_source_index( h_control, clkcache->s[item].index)); return change; } /*------------------------------------------------------------ Clkrate controls ------------------------------------------------------------*/ /* Need to change this to enumerated control with list of rates */ static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 8000; uinfo->value.integer.max = 192000; uinfo->value.integer.step = 100; return 0; } static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u32 rate; u16 e; e = hpi_sample_clock_get_local_rate(h_control, &rate); if (!e) ucontrol->value.integer.value[0] = rate; else ucontrol->value.integer.value[0] = 0; return 0; } static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int change; u32 h_control = kcontrol->private_value; /* change = asihpi->mixer_clkrate[addr][0] != left || asihpi->mixer_clkrate[addr][1] != right; */ change = 1; hpi_handle_error(hpi_sample_clock_set_local_rate(h_control, ucontrol->value.integer.value[0])); return change; } static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 8000; uinfo->value.integer.max = 192000; uinfo->value.integer.step = 100; return 0; } static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 h_control = kcontrol->private_value; u32 rate; u16 e; e = hpi_sample_clock_get_sample_rate(h_control, &rate); if (!e) ucontrol->value.integer.value[0] = rate; else ucontrol->value.integer.value[0] = 0; return 0; } static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi, struct hpi_control *hpi_ctl) { struct snd_card *card; struct snd_kcontrol_new snd_control; struct clk_cache *clkcache; u32 hSC = hpi_ctl->h_control; int has_aes_in = 0; int i, j; u16 source; if (snd_BUG_ON(!asihpi)) return -EINVAL; card = asihpi->card; clkcache = &asihpi->cc; snd_control.private_value = hpi_ctl->h_control; clkcache->has_local = 0; for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) { if (hpi_sample_clock_query_source(hSC, i, &source)) break; clkcache->s[i].source = source; clkcache->s[i].index = 0; clkcache->s[i].name = sampleclock_sources[source]; if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) has_aes_in = 1; if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL) clkcache->has_local = 1; } if (has_aes_in) /* already will have picked up index 0 above */ for (j = 1; j < 8; j++) { if (hpi_sample_clock_query_source_index(hSC, j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT, &source)) break; clkcache->s[i].source = HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT; clkcache->s[i].index = j; clkcache->s[i].name = sampleclock_sources[ j+HPI_SAMPLECLOCK_SOURCE_LAST]; i++; } clkcache->count = i; asihpi_ctl_init(&snd_control, hpi_ctl, "Source"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; snd_control.info = snd_asihpi_clksrc_info; snd_control.get = snd_asihpi_clksrc_get; snd_control.put = snd_asihpi_clksrc_put; if (ctl_add(card, &snd_control, asihpi) < 0) return -EINVAL; if (clkcache->has_local) { asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; snd_control.info = snd_asihpi_clklocal_info; snd_control.get = snd_asihpi_clklocal_get; snd_control.put = snd_asihpi_clklocal_put; if (ctl_add(card, &snd_control, asihpi) < 0) return -EINVAL; } asihpi_ctl_init(&snd_control, hpi_ctl, "Rate"); snd_control.access = SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; snd_control.info = snd_asihpi_clkrate_info; snd_control.get = snd_asihpi_clkrate_get; return ctl_add(card, &snd_control, asihpi); } /*------------------------------------------------------------ Mixer ------------------------------------------------------------*/ static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi) { struct snd_card *card; unsigned int idx = 0; unsigned int subindex = 0; int err; struct hpi_control hpi_ctl, prev_ctl; if (snd_BUG_ON(!asihpi)) return -EINVAL; card = asihpi->card; strcpy(card->mixername, "Asihpi Mixer"); err = hpi_mixer_open(asihpi->hpi->adapter->index, &asihpi->h_mixer); hpi_handle_error(err); if (err) return -err; memset(&prev_ctl, 0, sizeof(prev_ctl)); prev_ctl.control_type = -1; for (idx = 0; idx < 2000; idx++) { err = hpi_mixer_get_control_by_index( asihpi->h_mixer, idx, &hpi_ctl.src_node_type, &hpi_ctl.src_node_index, &hpi_ctl.dst_node_type, &hpi_ctl.dst_node_index, &hpi_ctl.control_type, &hpi_ctl.h_control); if (err) { if (err == HPI_ERROR_CONTROL_DISABLED) { if (mixer_dump) dev_info(&asihpi->pci->dev, "Disabled HPI Control(%d)\n", idx); continue; } else break; } hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE; hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE; /* ASI50xx in SSX mode has multiple meters on the same node. Use subindex to create distinct ALSA controls for any duplicated controls. */ if ((hpi_ctl.control_type == prev_ctl.control_type) && (hpi_ctl.src_node_type == prev_ctl.src_node_type) && (hpi_ctl.src_node_index == prev_ctl.src_node_index) && (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) && (hpi_ctl.dst_node_index == prev_ctl.dst_node_index)) subindex++; else subindex = 0; prev_ctl = hpi_ctl; switch (hpi_ctl.control_type) { case HPI_CONTROL_VOLUME: err = snd_asihpi_volume_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_LEVEL: err = snd_asihpi_level_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_MULTIPLEXER: err = snd_asihpi_mux_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_CHANNEL_MODE: err = snd_asihpi_cmode_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_METER: err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex); break; case HPI_CONTROL_SAMPLECLOCK: err = snd_asihpi_sampleclock_add( asihpi, &hpi_ctl); break; case HPI_CONTROL_CONNECTION: /* ignore these */ continue; case HPI_CONTROL_TUNER: err = snd_asihpi_tuner_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_AESEBU_TRANSMITTER: err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_AESEBU_RECEIVER: err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl); break; case HPI_CONTROL_VOX: case HPI_CONTROL_BITSTREAM: case HPI_CONTROL_MICROPHONE: case HPI_CONTROL_PARAMETRIC_EQ: case HPI_CONTROL_COMPANDER: default: if (mixer_dump) dev_info(&asihpi->pci->dev, "Untranslated HPI Control (%d) %d %d %d %d %d\n", idx, hpi_ctl.control_type, hpi_ctl.src_node_type, hpi_ctl.src_node_index, hpi_ctl.dst_node_type, hpi_ctl.dst_node_index); continue; } if (err < 0) return err; } if (HPI_ERROR_INVALID_OBJ_INDEX != err) hpi_handle_error(err); dev_info(&asihpi->pci->dev, "%d mixer controls found\n", idx); return 0; } /*------------------------------------------------------------ /proc interface ------------------------------------------------------------*/ static void snd_asihpi_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct snd_card_asihpi *asihpi = entry->private_data; u32 h_control; u32 rate = 0; u16 source = 0; u16 num_outstreams; u16 num_instreams; u16 version; u32 serial_number; u16 type; int err; snd_iprintf(buffer, "ASIHPI driver proc file\n"); hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index, &num_outstreams, &num_instreams, &version, &serial_number, &type)); snd_iprintf(buffer, "Adapter type ASI%4X\nHardware Index %d\n" "%d outstreams\n%d instreams\n", type, asihpi->hpi->adapter->index, num_outstreams, num_instreams); snd_iprintf(buffer, "Serial#%d\nHardware version %c%d\nDSP code version %03d\n", serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7, ((version >> 13) * 100) + ((version >> 7) & 0x3f)); err = hpi_mixer_get_control(asihpi->h_mixer, HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, HPI_CONTROL_SAMPLECLOCK, &h_control); if (!err) { err = hpi_sample_clock_get_sample_rate(h_control, &rate); err += hpi_sample_clock_get_source(h_control, &source); if (!err) snd_iprintf(buffer, "Sample Clock %dHz, source %s\n", rate, sampleclock_sources[source]); } } static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi) { snd_card_ro_proc_new(asihpi->card, "info", asihpi, snd_asihpi_proc_read); } /*------------------------------------------------------------ HWDEP ------------------------------------------------------------*/ static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file) { if (enable_hpi_hwdep) return 0; else return -ENODEV; } static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file) { if (enable_hpi_hwdep) return asihpi_hpi_release(file); else return -ENODEV; } static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg) { if (enable_hpi_hwdep) return asihpi_hpi_ioctl(file, cmd, arg); else return -ENODEV; } /* results in /dev/snd/hwC#D0 file for each card with index # also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card' */ static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, int device) { struct snd_hwdep *hw; int err; err = snd_hwdep_new(asihpi->card, "HPI", device, &hw); if (err < 0) return err; strcpy(hw->name, "asihpi (HPI)"); hw->iface = SNDRV_HWDEP_IFACE_LAST; hw->ops.open = snd_asihpi_hpi_open; hw->ops.ioctl = snd_asihpi_hpi_ioctl; hw->ops.release = snd_asihpi_hpi_release; hw->private_data = asihpi; return 0; } /*------------------------------------------------------------ CARD ------------------------------------------------------------*/ static int snd_asihpi_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { int err; struct hpi_adapter *hpi; struct snd_card *card; struct snd_card_asihpi *asihpi; u32 h_control; u32 h_stream; u32 adapter_index; static int dev; if (dev >= SNDRV_CARDS) return -ENODEV; /* Should this be enable[hpi->index] ? */ if (!enable[dev]) { dev++; return -ENOENT; } /* Initialise low-level HPI driver */ err = asihpi_adapter_probe(pci_dev, pci_id); if (err < 0) return err; hpi = pci_get_drvdata(pci_dev); adapter_index = hpi->adapter->index; /* first try to give the card the same index as its hardware index */ err = snd_card_new(&pci_dev->dev, adapter_index, id[adapter_index], THIS_MODULE, sizeof(struct snd_card_asihpi), &card); if (err < 0) { /* if that fails, try the default index==next available */ err = snd_card_new(&pci_dev->dev, index[dev], id[dev], THIS_MODULE, sizeof(struct snd_card_asihpi), &card); if (err < 0) return err; dev_warn(&pci_dev->dev, "Adapter index %d->ALSA index %d\n", adapter_index, card->number); } asihpi = card->private_data; asihpi->card = card; asihpi->pci = pci_dev; asihpi->hpi = hpi; hpi->snd_card = card; err = hpi_adapter_get_property(adapter_index, HPI_ADAPTER_PROPERTY_CAPS1, NULL, &asihpi->support_grouping); if (err) asihpi->support_grouping = 0; err = hpi_adapter_get_property(adapter_index, HPI_ADAPTER_PROPERTY_CAPS2, &asihpi->support_mrx, NULL); if (err) asihpi->support_mrx = 0; err = hpi_adapter_get_property(adapter_index, HPI_ADAPTER_PROPERTY_INTERVAL, NULL, &asihpi->update_interval_frames); if (err) asihpi->update_interval_frames = 512; if (hpi->interrupt_mode) { asihpi->pcm_start = snd_card_asihpi_pcm_int_start; asihpi->pcm_stop = snd_card_asihpi_pcm_int_stop; hpi->interrupt_callback = snd_card_asihpi_isr; } else { asihpi->pcm_start = snd_card_asihpi_pcm_timer_start; asihpi->pcm_stop = snd_card_asihpi_pcm_timer_stop; } hpi_handle_error(hpi_instream_open(adapter_index, 0, &h_stream)); err = hpi_instream_host_buffer_free(h_stream); asihpi->can_dma = (!err); hpi_handle_error(hpi_instream_close(h_stream)); if (!asihpi->can_dma) asihpi->update_interval_frames *= 2; err = hpi_adapter_get_property(adapter_index, HPI_ADAPTER_PROPERTY_CURCHANNELS, &asihpi->in_max_chans, &asihpi->out_max_chans); if (err) { asihpi->in_max_chans = 2; asihpi->out_max_chans = 2; } if (asihpi->out_max_chans > 2) { /* assume LL mode */ asihpi->out_min_chans = asihpi->out_max_chans; asihpi->in_min_chans = asihpi->in_max_chans; asihpi->support_grouping = 0; } else { asihpi->out_min_chans = 1; asihpi->in_min_chans = 1; } dev_info(&pci_dev->dev, "Has dma:%d, grouping:%d, mrx:%d, uif:%d\n", asihpi->can_dma, asihpi->support_grouping, asihpi->support_mrx, asihpi->update_interval_frames ); err = snd_card_asihpi_pcm_new(asihpi, 0); if (err < 0) { dev_err(&pci_dev->dev, "pcm_new failed\n"); goto __nodev; } err = snd_card_asihpi_mixer_new(asihpi); if (err < 0) { dev_err(&pci_dev->dev, "mixer_new failed\n"); goto __nodev; } err = hpi_mixer_get_control(asihpi->h_mixer, HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, HPI_CONTROL_SAMPLECLOCK, &h_control); if (!err) err = hpi_sample_clock_set_local_rate( h_control, adapter_fs); snd_asihpi_proc_init(asihpi); /* always create, can be enabled or disabled dynamically by enable_hwdep module param*/ snd_asihpi_hpi_new(asihpi, 0); strcpy(card->driver, "ASIHPI"); sprintf(card->shortname, "AudioScience ASI%4X", asihpi->hpi->adapter->type); sprintf(card->longname, "%s %i", card->shortname, adapter_index); err = snd_card_register(card); if (!err) { dev++; return 0; } __nodev: snd_card_free(card); dev_err(&pci_dev->dev, "snd_asihpi_probe error %d\n", err); return err; } static void snd_asihpi_remove(struct pci_dev *pci_dev) { struct hpi_adapter *hpi = pci_get_drvdata(pci_dev); /* Stop interrupts */ if (hpi->interrupt_mode) { hpi->interrupt_callback = NULL; hpi_handle_error(hpi_adapter_set_property(hpi->adapter->index, HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0)); } snd_card_free(hpi->snd_card); hpi->snd_card = NULL; asihpi_adapter_remove(pci_dev); } static const struct pci_device_id asihpi_pci_tbl[] = { {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205, HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, (kernel_ulong_t)HPI_6205}, {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040, HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, (kernel_ulong_t)HPI_6000}, {0,} }; MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl); static struct pci_driver driver = { .name = KBUILD_MODNAME, .id_table = asihpi_pci_tbl, .probe = snd_asihpi_probe, .remove = snd_asihpi_remove, }; static int __init snd_asihpi_init(void) { asihpi_init(); return pci_register_driver(&driver); } static void __exit snd_asihpi_exit(void) { pci_unregister_driver(&driver); asihpi_exit(); } module_init(snd_asihpi_init) module_exit(snd_asihpi_exit)
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