--- /dev/null
+/*
+ * Asihpi soundcard
+ * Copyright (c) by AudioScience Inc <support@audioscience.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *
+ * 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, S_IRUGO);
+MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
+
+module_param_array(id, charp, NULL, S_IRUGO);
+MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
+
+module_param_array(enable, bool, NULL, S_IRUGO);
+MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
+
+module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
+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, S_IRUGO);
+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, S_IRUGO);
+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);
+}
+
+static snd_pcm_format_t hpi_to_alsa_formats[] = {
+ -1, /* INVALID */
+ SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
+ SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
+ -1, /* HPI_FORMAT_MPEG_L1 3 */
+ SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
+ SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
+ -1, /* HPI_FORMAT_DOLBY_AC2 6 */
+ -1, /* HPI_FORMAT_DOLBY_AC3 7 */
+ SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
+ -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
+ -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
+ SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
+ -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */
+ -1, /* 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
+ */
+ -1
+#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_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
+ if (err < 0)
+ return err;
+ 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);
+
+ snd_pcm_lib_free_pages(substream);
+ 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;
+
+ BUG_ON(!substream);
+
+ dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
+ card = snd_pcm_substream_chip(substream);
+
+ BUG_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_pcm *dpcm;
+ struct snd_card_asihpi *card;
+
+ BUG_ON(!substream);
+
+ dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
+ 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(unsigned long data)
+{
+ struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
+ 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;
+ runtime = s->runtime;
+
+ /* 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(
+ (unsigned long)asihpi->llmode_streampriv);
+}
+
+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_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg)
+{
+ char name[16];
+ snd_pcm_debug_name(substream, name, sizeof(name));
+ snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+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] != -1))
+ 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
+ */
+
+ setup_timer(&dpcm->timer, snd_card_asihpi_timer_function,
+ (unsigned long) dpcm);
+ 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 struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
+ .open = snd_card_asihpi_playback_open,
+ .close = snd_card_asihpi_playback_close,
+ .ioctl = snd_card_asihpi_playback_ioctl,
+ .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_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg)
+{
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+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] != -1))
+ 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;
+
+ setup_timer(&dpcm->timer, snd_card_asihpi_timer_function,
+ (unsigned long) dpcm);
+ 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 struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
+ .open = snd_card_asihpi_capture_open,
+ .close = snd_card_asihpi_capture_close,
+ .ioctl = snd_card_asihpi_capture_ioctl,
+ .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_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(asihpi->pci),
+ 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)
+{
+ int change;
+ 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;
+ */
+ change = 1;
+ hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
+ return change;
+}
+
+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;
+ int change = 1;
+ /* 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 change;
+}
+
+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 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)
+{
+ struct snd_info_entry *entry;
+
+ if (!snd_card_proc_new(asihpi->card, "info", &entry))
+ snd_info_set_text_ops(entry, 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)
+
Code Review / kvmfornfv.git / blobdiff