| // 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; |
| struct tasklet_struct t; |
| 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 inline u16 hpi_stream_group_get_map( |
| u32 h_stream, u32 *mo, u32 *mi) |
| { |
| if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) |
| return hpi_outstream_group_get_map(h_stream, mo, mi); |
| else |
| return hpi_instream_group_get_map(h_stream, mo, mi); |
| } |
| |
| 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()); |
| tasklet_disable(&card->t); |
| card->llmode_streampriv = dpcm; |
| tasklet_enable(&card->t); |
| |
| 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)); |
| |
| if (in_interrupt()) |
| card->llmode_streampriv = NULL; |
| else { |
| tasklet_disable(&card->t); |
| card->llmode_streampriv = NULL; |
| tasklet_enable(&card->t); |
| } |
| } |
| |
| 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*/ |
| s->runtime->status->state = 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; |
| int loops = 0; |
| 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) |
| ); |
| loops++; |
| } |
| 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_int_task(unsigned long data) |
| { |
| struct hpi_adapter *a = (struct hpi_adapter *)data; |
| 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); |
| } |
| |
| 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; |
| tasklet_schedule(&asihpi->t); |
| } |
| |
| /***************************** 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]; |
| u32 num_bands = 0; |
| |
| 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]; |
| u32 num_bands = 0; |
| |
| 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) |
| { |
| int err; |
| 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; |
| |
| err = |
| 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; |
| tasklet_init(&asihpi->t, snd_card_asihpi_int_task, |
| (unsigned long)hpi); |
| 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); |
| struct snd_card_asihpi *asihpi = hpi->snd_card->private_data; |
| |
| /* 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)); |
| tasklet_kill(&asihpi->t); |
| } |
| |
| 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) |
| |
