#define PCI_DEVICE_ID_PLX_PCI200SYN 0x3196
#define PCI_DEVICE_ID_PLX_9030 0x9030
#define PCI_DEVICE_ID_PLX_9050 0x9050
+#define PCI_DEVICE_ID_PLX_9056 0x9056
#define PCI_DEVICE_ID_PLX_9080 0x9080
#define PCI_DEVICE_ID_PLX_GTEK_SERIAL2 0xa001
#define PCI_SUBDEVICE_ID_HYPERCOPE_METRO 0x0107
#define PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2 0x0108
+#define PCI_VENDOR_ID_DIGIGRAM 0x1369
+#define PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM 0xc001
+#define PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM 0xc002
+
#define PCI_VENDOR_ID_KAWASAKI 0x136b
#define PCI_DEVICE_ID_MCHIP_KL5A72002 0xff01
To compile this driver as a module, choose M here: the module
will be called snd-korg1212.
+config SND_LX6464ES
+ tristate "Digigram LX6464ES"
+ select SND_PCM
+ help
+ Say Y here to include support for Digigram LX6464ES boards.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-lx6464es.
+
+
config SND_MAESTRO3
tristate "ESS Allegro/Maestro3"
select SND_AC97_CODEC
ca0106/ \
cs46xx/ \
cs5535audio/ \
+ lx6464es/ \
echoaudio/ \
emu10k1/ \
hda/ \
--- /dev/null
+snd-lx6464es-objs := lx6464es.o lx_core.o
+obj-$(CONFIG_SND_LX6464ES) += snd-lx6464es.o
--- /dev/null
+/* -*- linux-c -*- *
+ *
+ * ALSA driver for the digigram lx6464es interface
+ *
+ * Copyright (c) 2008, 2009 Tim Blechmann <tim@klingt.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include <sound/initval.h>
+#include <sound/control.h>
+#include <sound/info.h>
+
+#include "lx6464es.h"
+
+MODULE_AUTHOR("Tim Blechmann");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("digigram lx6464es");
+MODULE_SUPPORTED_DEVICE("{digigram lx6464es{}}");
+
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+static const char card_name[] = "LX6464ES";
+
+
+#define PCI_DEVICE_ID_PLX_LX6464ES PCI_DEVICE_ID_PLX_9056
+
+static struct pci_device_id snd_lx6464es_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES),
+ .subvendor = PCI_VENDOR_ID_DIGIGRAM,
+ .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM
+ }, /* LX6464ES */
+ { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES),
+ .subvendor = PCI_VENDOR_ID_DIGIGRAM,
+ .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM
+ }, /* LX6464ES-CAE */
+ { 0, },
+};
+
+MODULE_DEVICE_TABLE(pci, snd_lx6464es_ids);
+
+
+
+/* PGO pour USERo dans le registre pci_0x06/loc_0xEC */
+#define CHIPSC_RESET_XILINX (1L<<16)
+
+
+/* alsa callbacks */
+static struct snd_pcm_hardware lx_caps = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S16_BE |
+ SNDRV_PCM_FMTBIT_S24_3LE |
+ SNDRV_PCM_FMTBIT_S24_3BE),
+ .rates = (SNDRV_PCM_RATE_CONTINUOUS |
+ SNDRV_PCM_RATE_8000_192000),
+ .rate_min = 8000,
+ .rate_max = 192000,
+ .channels_min = 2,
+ .channels_max = 64,
+ .buffer_bytes_max = 64*2*3*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER,
+ .period_bytes_min = (2*2*MICROBLAZE_IBL_MIN*2),
+ .period_bytes_max = (4*64*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER),
+ .periods_min = 2,
+ .periods_max = MAX_STREAM_BUFFER,
+};
+
+static int lx_set_granularity(struct lx6464es *chip, u32 gran);
+
+
+static int lx_hardware_open(struct lx6464es *chip,
+ struct snd_pcm_substream *substream)
+{
+ int err = 0;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int channels = runtime->channels;
+ int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ snd_pcm_uframes_t period_size = runtime->period_size;
+
+ snd_printd(LXP "allocating pipe for %d channels\n", channels);
+ err = lx_pipe_allocate(chip, 0, is_capture, channels);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "allocating pipe failed\n");
+ return err;
+ }
+
+ err = lx_set_granularity(chip, period_size);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "setting granularity to %ld failed\n",
+ period_size);
+ return err;
+ }
+
+ return 0;
+}
+
+static int lx_hardware_start(struct lx6464es *chip,
+ struct snd_pcm_substream *substream)
+{
+ int err = 0;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ snd_printd(LXP "setting stream format\n");
+ err = lx_stream_set_format(chip, runtime, 0, is_capture);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "setting stream format failed\n");
+ return err;
+ }
+
+ snd_printd(LXP "starting pipe\n");
+ err = lx_pipe_start(chip, 0, is_capture);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "starting pipe failed\n");
+ return err;
+ }
+
+ snd_printd(LXP "waiting for pipe to start\n");
+ err = lx_pipe_wait_for_start(chip, 0, is_capture);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "waiting for pipe failed\n");
+ return err;
+ }
+
+ return err;
+}
+
+
+static int lx_hardware_stop(struct lx6464es *chip,
+ struct snd_pcm_substream *substream)
+{
+ int err = 0;
+ int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ snd_printd(LXP "pausing pipe\n");
+ err = lx_pipe_pause(chip, 0, is_capture);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "pausing pipe failed\n");
+ return err;
+ }
+
+ snd_printd(LXP "waiting for pipe to become idle\n");
+ err = lx_pipe_wait_for_idle(chip, 0, is_capture);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "waiting for pipe failed\n");
+ return err;
+ }
+
+ snd_printd(LXP "stopping pipe\n");
+ err = lx_pipe_stop(chip, 0, is_capture);
+ if (err < 0) {
+ snd_printk(LXP "stopping pipe failed\n");
+ return err;
+ }
+
+ return err;
+}
+
+
+static int lx_hardware_close(struct lx6464es *chip,
+ struct snd_pcm_substream *substream)
+{
+ int err = 0;
+ int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ snd_printd(LXP "releasing pipe\n");
+ err = lx_pipe_release(chip, 0, is_capture);
+ if (err < 0) {
+ snd_printk(LXP "releasing pipe failed\n");
+ return err;
+ }
+
+ return err;
+}
+
+
+static int lx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct lx6464es *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err = 0;
+ int board_rate;
+
+ snd_printdd("->lx_pcm_open\n");
+ mutex_lock(&chip->setup_mutex);
+
+ /* copy the struct snd_pcm_hardware struct */
+ runtime->hw = lx_caps;
+
+#if 0
+ /* buffer-size should better be multiple of period-size */
+ err = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (err < 0) {
+ snd_printk(KERN_WARNING LXP "could not constrain periods\n");
+ goto exit;
+ }
+#endif
+
+ /* the clock rate cannot be changed */
+ board_rate = chip->board_sample_rate;
+ err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
+ board_rate, board_rate);
+
+ if (err < 0) {
+ snd_printk(KERN_WARNING LXP "could not constrain periods\n");
+ goto exit;
+ }
+
+ /* constrain period size */
+ err = snd_pcm_hw_constraint_minmax(runtime,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ MICROBLAZE_IBL_MIN,
+ MICROBLAZE_IBL_MAX);
+ if (err < 0) {
+ snd_printk(KERN_WARNING LXP
+ "could not constrain period size\n");
+ goto exit;
+ }
+
+ snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
+
+ snd_pcm_set_sync(substream);
+ err = 0;
+
+exit:
+ runtime->private_data = chip;
+
+ mutex_unlock(&chip->setup_mutex);
+ snd_printdd("<-lx_pcm_open, %d\n", err);
+ return err;
+}
+
+static int lx_pcm_close(struct snd_pcm_substream *substream)
+{
+ int err = 0;
+ snd_printdd("->lx_pcm_close\n");
+ return err;
+}
+
+static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream
+ *substream)
+{
+ struct lx6464es *chip = snd_pcm_substream_chip(substream);
+ snd_pcm_uframes_t pos;
+ unsigned long flags;
+ int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ struct lx_stream *lx_stream = is_capture ? &chip->capture_stream :
+ &chip->playback_stream;
+
+ snd_printdd("->lx_pcm_stream_pointer\n");
+
+ spin_lock_irqsave(&chip->lock, flags);
+ pos = lx_stream->frame_pos * substream->runtime->period_size;
+ spin_unlock_irqrestore(&chip->lock, flags);
+
+ snd_printdd(LXP "stream_pointer at %ld\n", pos);
+ return pos;
+}
+
+static int lx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct lx6464es *chip = snd_pcm_substream_chip(substream);
+ int err = 0;
+ const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ snd_printdd("->lx_pcm_prepare\n");
+
+ mutex_lock(&chip->setup_mutex);
+
+ if (chip->hardware_running[is_capture]) {
+ err = lx_hardware_stop(chip, substream);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "failed to stop hardware. "
+ "Error code %d\n", err);
+ goto exit;
+ }
+
+ err = lx_hardware_close(chip, substream);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "failed to close hardware. "
+ "Error code %d\n", err);
+ goto exit;
+ }
+ }
+
+ snd_printd(LXP "opening hardware\n");
+ err = lx_hardware_open(chip, substream);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "failed to open hardware. "
+ "Error code %d\n", err);
+ goto exit;
+ }
+
+ err = lx_hardware_start(chip, substream);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "failed to start hardware. "
+ "Error code %d\n", err);
+ goto exit;
+ }
+
+ chip->hardware_running[is_capture] = 1;
+
+ if (chip->board_sample_rate != substream->runtime->rate) {
+ if (!err)
+ chip->board_sample_rate = substream->runtime->rate;
+ }
+
+exit:
+ mutex_unlock(&chip->setup_mutex);
+ return err;
+}
+
+static int lx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params, int is_capture)
+{
+ struct lx6464es *chip = snd_pcm_substream_chip(substream);
+ int err = 0;
+
+ snd_printdd("->lx_pcm_hw_params\n");
+
+ mutex_lock(&chip->setup_mutex);
+
+ /* set dma buffer */
+ err = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+
+ if (is_capture)
+ chip->capture_stream.stream = substream;
+ else
+ chip->playback_stream.stream = substream;
+
+ mutex_unlock(&chip->setup_mutex);
+ return err;
+}
+
+static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ return lx_pcm_hw_params(substream, hw_params, 0);
+}
+
+static int lx_pcm_hw_params_capture(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ return lx_pcm_hw_params(substream, hw_params, 1);
+}
+
+static int lx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct lx6464es *chip = snd_pcm_substream_chip(substream);
+ int err = 0;
+ int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+
+ snd_printdd("->lx_pcm_hw_free\n");
+ mutex_lock(&chip->setup_mutex);
+
+ if (chip->hardware_running[is_capture]) {
+ err = lx_hardware_stop(chip, substream);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "failed to stop hardware. "
+ "Error code %d\n", err);
+ goto exit;
+ }
+
+ err = lx_hardware_close(chip, substream);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "failed to close hardware. "
+ "Error code %d\n", err);
+ goto exit;
+ }
+
+ chip->hardware_running[is_capture] = 0;
+ }
+
+ err = snd_pcm_lib_free_pages(substream);
+
+ if (is_capture)
+ chip->capture_stream.stream = 0;
+ else
+ chip->playback_stream.stream = 0;
+
+exit:
+ mutex_unlock(&chip->setup_mutex);
+ return err;
+}
+
+static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream)
+{
+ struct snd_pcm_substream *substream = lx_stream->stream;
+ const int is_capture = lx_stream->is_capture;
+
+ int err;
+
+ const u32 channels = substream->runtime->channels;
+ const u32 bytes_per_frame = channels * 3;
+ const u32 period_size = substream->runtime->period_size;
+ const u32 periods = substream->runtime->periods;
+ const u32 period_bytes = period_size * bytes_per_frame;
+
+ dma_addr_t buf = substream->dma_buffer.addr;
+ int i;
+
+ u32 needed, freed;
+ u32 size_array[5];
+
+ for (i = 0; i != periods; ++i) {
+ u32 buffer_index = 0;
+
+ err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed,
+ size_array);
+ snd_printdd(LXP "starting: needed %d, freed %d\n",
+ needed, freed);
+
+ err = lx_buffer_give(chip, 0, is_capture, period_bytes,
+ lower_32_bits(buf), upper_32_bits(buf),
+ &buffer_index);
+
+ snd_printdd(LXP "starting: buffer index %x on %p (%d bytes)\n",
+ buffer_index, (void *)buf, period_bytes);
+ buf += period_bytes;
+ }
+
+ err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array);
+ snd_printdd(LXP "starting: needed %d, freed %d\n", needed, freed);
+
+ snd_printd(LXP "starting: starting stream\n");
+ err = lx_stream_start(chip, 0, is_capture);
+ if (err < 0)
+ snd_printk(KERN_ERR LXP "couldn't start stream\n");
+ else
+ lx_stream->status = LX_STREAM_STATUS_RUNNING;
+
+ lx_stream->frame_pos = 0;
+}
+
+static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream)
+{
+ const int is_capture = lx_stream->is_capture;
+ int err;
+
+ snd_printd(LXP "stopping: stopping stream\n");
+ err = lx_stream_stop(chip, 0, is_capture);
+ if (err < 0)
+ snd_printk(KERN_ERR LXP "couldn't stop stream\n");
+ else
+ lx_stream->status = LX_STREAM_STATUS_FREE;
+
+}
+
+static void lx_trigger_tasklet_dispatch_stream(struct lx6464es *chip,
+ struct lx_stream *lx_stream)
+{
+ switch (lx_stream->status) {
+ case LX_STREAM_STATUS_SCHEDULE_RUN:
+ lx_trigger_start(chip, lx_stream);
+ break;
+
+ case LX_STREAM_STATUS_SCHEDULE_STOP:
+ lx_trigger_stop(chip, lx_stream);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void lx_trigger_tasklet(unsigned long data)
+{
+ struct lx6464es *chip = (struct lx6464es *)data;
+ unsigned long flags;
+
+ snd_printdd("->lx_trigger_tasklet\n");
+
+ spin_lock_irqsave(&chip->lock, flags);
+ lx_trigger_tasklet_dispatch_stream(chip, &chip->capture_stream);
+ lx_trigger_tasklet_dispatch_stream(chip, &chip->playback_stream);
+ spin_unlock_irqrestore(&chip->lock, flags);
+}
+
+static int lx_pcm_trigger_dispatch(struct lx6464es *chip,
+ struct lx_stream *lx_stream, int cmd)
+{
+ int err = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ lx_stream->status = LX_STREAM_STATUS_SCHEDULE_RUN;
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ lx_stream->status = LX_STREAM_STATUS_SCHEDULE_STOP;
+ break;
+
+ default:
+ err = -EINVAL;
+ goto exit;
+ }
+ tasklet_schedule(&chip->trigger_tasklet);
+
+exit:
+ return err;
+}
+
+
+static int lx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct lx6464es *chip = snd_pcm_substream_chip(substream);
+ const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
+ struct lx_stream *stream = is_capture ? &chip->capture_stream :
+ &chip->playback_stream;
+
+ snd_printdd("->lx_pcm_trigger\n");
+
+ return lx_pcm_trigger_dispatch(chip, stream, cmd);
+}
+
+static int snd_lx6464es_free(struct lx6464es *chip)
+{
+ snd_printdd("->snd_lx6464es_free\n");
+
+ lx_irq_disable(chip);
+
+ if (chip->irq >= 0)
+ free_irq(chip->irq, chip);
+
+ iounmap(chip->port_dsp_bar);
+ ioport_unmap(chip->port_plx_remapped);
+
+ pci_release_regions(chip->pci);
+ pci_disable_device(chip->pci);
+
+ kfree(chip);
+
+ return 0;
+}
+
+static int snd_lx6464es_dev_free(struct snd_device *device)
+{
+ return snd_lx6464es_free(device->device_data);
+}
+
+/* reset the dsp during initialization */
+static int __devinit lx_init_xilinx_reset(struct lx6464es *chip)
+{
+ int i;
+ u32 plx_reg = lx_plx_reg_read(chip, ePLX_CHIPSC);
+
+ snd_printdd("->lx_init_xilinx_reset\n");
+
+ /* activate reset of xilinx */
+ plx_reg &= ~CHIPSC_RESET_XILINX;
+
+ lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg);
+ msleep(1);
+
+ lx_plx_reg_write(chip, ePLX_MBOX3, 0);
+ msleep(1);
+
+ plx_reg |= CHIPSC_RESET_XILINX;
+ lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg);
+
+ /* deactivate reset of xilinx */
+ for (i = 0; i != 100; ++i) {
+ u32 reg_mbox3;
+ msleep(10);
+ reg_mbox3 = lx_plx_reg_read(chip, ePLX_MBOX3);
+ if (reg_mbox3) {
+ snd_printd(LXP "xilinx reset done\n");
+ snd_printdd(LXP "xilinx took %d loops\n", i);
+ break;
+ }
+ }
+
+ /* todo: add some error handling? */
+
+ /* clear mr */
+ lx_dsp_reg_write(chip, eReg_CSM, 0);
+
+ /* le xilinx ES peut ne pas etre encore pret, on attend. */
+ msleep(600);
+
+ return 0;
+}
+
+static int __devinit lx_init_xilinx_test(struct lx6464es *chip)
+{
+ u32 reg;
+
+ snd_printdd("->lx_init_xilinx_test\n");
+
+ /* TEST if we have access to Xilinx/MicroBlaze */
+ lx_dsp_reg_write(chip, eReg_CSM, 0);
+
+ reg = lx_dsp_reg_read(chip, eReg_CSM);
+
+ if (reg) {
+ snd_printk(KERN_ERR LXP "Problem: Reg_CSM %x.\n", reg);
+
+ /* PCI9056_SPACE0_REMAP */
+ lx_plx_reg_write(chip, ePLX_PCICR, 1);
+
+ reg = lx_dsp_reg_read(chip, eReg_CSM);
+ if (reg) {
+ snd_printk(KERN_ERR LXP "Error: Reg_CSM %x.\n", reg);
+ return -EAGAIN; /* seems to be appropriate */
+ }
+ }
+
+ snd_printd(LXP "Xilinx/MicroBlaze access test successful\n");
+
+ return 0;
+}
+
+/* initialize ethersound */
+static int __devinit lx_init_ethersound_config(struct lx6464es *chip)
+{
+ int i;
+ u32 orig_conf_es = lx_dsp_reg_read(chip, eReg_CONFES);
+
+ u32 default_conf_es = (64 << IOCR_OUTPUTS_OFFSET) |
+ (64 << IOCR_INPUTS_OFFSET) |
+ (FREQ_RATIO_SINGLE_MODE << FREQ_RATIO_OFFSET);
+
+ u32 conf_es = (orig_conf_es & CONFES_READ_PART_MASK)
+ | (default_conf_es & CONFES_WRITE_PART_MASK);
+
+ snd_printdd("->lx_init_ethersound\n");
+
+ chip->freq_ratio = FREQ_RATIO_SINGLE_MODE;
+
+ /*
+ * write it to the card !
+ * this actually kicks the ES xilinx, the first time since poweron.
+ * the MAC address in the Reg_ADMACESMSB Reg_ADMACESLSB registers
+ * is not ready before this is done, and the bit 2 in Reg_CSES is set.
+ * */
+ lx_dsp_reg_write(chip, eReg_CONFES, conf_es);
+
+ for (i = 0; i != 1000; ++i) {
+ if (lx_dsp_reg_read(chip, eReg_CSES) & 4) {
+ snd_printd(LXP "ethersound initialized after %dms\n",
+ i);
+ goto ethersound_initialized;
+ }
+ msleep(1);
+ }
+ snd_printk(KERN_WARNING LXP
+ "ethersound could not be initialized after %dms\n", i);
+ return -ETIMEDOUT;
+
+ ethersound_initialized:
+ snd_printd(LXP "ethersound initialized\n");
+ return 0;
+}
+
+static int __devinit lx_init_get_version_features(struct lx6464es *chip)
+{
+ u32 dsp_version;
+
+ int err;
+
+ snd_printdd("->lx_init_get_version_features\n");
+
+ err = lx_dsp_get_version(chip, &dsp_version);
+
+ if (err == 0) {
+ u32 freq;
+
+ snd_printk(LXP "DSP version: V%02d.%02d #%d\n",
+ (dsp_version>>16) & 0xff, (dsp_version>>8) & 0xff,
+ dsp_version & 0xff);
+
+ /* later: what firmware version do we expect? */
+
+ /* retrieve Play/Rec features */
+ /* done here because we may have to handle alternate
+ * DSP files. */
+ /* later */
+
+ /* init the EtherSound sample rate */
+ err = lx_dsp_get_clock_frequency(chip, &freq);
+ if (err == 0)
+ chip->board_sample_rate = freq;
+ snd_printd(LXP "actual clock frequency %d\n", freq);
+ } else {
+ snd_printk(KERN_ERR LXP "DSP corrupted \n");
+ err = -EAGAIN;
+ }
+
+ return err;
+}
+
+static int lx_set_granularity(struct lx6464es *chip, u32 gran)
+{
+ int err = 0;
+ u32 snapped_gran = MICROBLAZE_IBL_MIN;
+
+ snd_printdd("->lx_set_granularity\n");
+
+ /* blocksize is a power of 2 */
+ while ((snapped_gran < gran) &&
+ (snapped_gran < MICROBLAZE_IBL_MAX)) {
+ snapped_gran *= 2;
+ }
+
+ if (snapped_gran == chip->pcm_granularity)
+ return 0;
+
+ err = lx_dsp_set_granularity(chip, snapped_gran);
+ if (err < 0) {
+ snd_printk(KERN_WARNING LXP "could not set granularity\n");
+ err = -EAGAIN;
+ }
+
+ if (snapped_gran != gran)
+ snd_printk(LXP "snapped blocksize to %d\n", snapped_gran);
+
+ snd_printd(LXP "set blocksize on board %d\n", snapped_gran);
+ chip->pcm_granularity = snapped_gran;
+
+ return err;
+}
+
+/* initialize and test the xilinx dsp chip */
+static int __devinit lx_init_dsp(struct lx6464es *chip)
+{
+ int err;
+ u8 mac_address[6];
+ int i;
+
+ snd_printdd("->lx_init_dsp\n");
+
+ snd_printd(LXP "initialize board\n");
+ err = lx_init_xilinx_reset(chip);
+ if (err)
+ return err;
+
+ snd_printd(LXP "testing board\n");
+ err = lx_init_xilinx_test(chip);
+ if (err)
+ return err;
+
+ snd_printd(LXP "initialize ethersound configuration\n");
+ err = lx_init_ethersound_config(chip);
+ if (err)
+ return err;
+
+ lx_irq_enable(chip);
+
+ /** \todo the mac address should be ready by not, but it isn't,
+ * so we wait for it */
+ for (i = 0; i != 1000; ++i) {
+ err = lx_dsp_get_mac(chip, mac_address);
+ if (err)
+ return err;
+ if (mac_address[0] || mac_address[1] || mac_address[2] ||
+ mac_address[3] || mac_address[4] || mac_address[5])
+ goto mac_ready;
+ msleep(1);
+ }
+ return -ETIMEDOUT;
+
+mac_ready:
+ snd_printd(LXP "mac address ready read after: %dms\n", i);
+ snd_printk(LXP "mac address: %02X.%02X.%02X.%02X.%02X.%02X\n",
+ mac_address[0], mac_address[1], mac_address[2],
+ mac_address[3], mac_address[4], mac_address[5]);
+
+ err = lx_init_get_version_features(chip);
+ if (err)
+ return err;
+
+ lx_set_granularity(chip, MICROBLAZE_IBL_DEFAULT);
+
+ chip->playback_mute = 0;
+
+ return err;
+}
+
+static struct snd_pcm_ops lx_ops_playback = {
+ .open = lx_pcm_open,
+ .close = lx_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .prepare = lx_pcm_prepare,
+ .hw_params = lx_pcm_hw_params_playback,
+ .hw_free = lx_pcm_hw_free,
+ .trigger = lx_pcm_trigger,
+ .pointer = lx_pcm_stream_pointer,
+};
+
+static struct snd_pcm_ops lx_ops_capture = {
+ .open = lx_pcm_open,
+ .close = lx_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .prepare = lx_pcm_prepare,
+ .hw_params = lx_pcm_hw_params_capture,
+ .hw_free = lx_pcm_hw_free,
+ .trigger = lx_pcm_trigger,
+ .pointer = lx_pcm_stream_pointer,
+};
+
+static int __devinit lx_pcm_create(struct lx6464es *chip)
+{
+ int err;
+ struct snd_pcm *pcm;
+
+ u32 size = 64 * /* channels */
+ 3 * /* 24 bit samples */
+ MAX_STREAM_BUFFER * /* periods */
+ MICROBLAZE_IBL_MAX * /* frames per period */
+ 2; /* duplex */
+
+ size = PAGE_ALIGN(size);
+
+ /* hardcoded device name & channel count */
+ err = snd_pcm_new(chip->card, (char *)card_name, 0,
+ 1, 1, &pcm);
+
+ pcm->private_data = chip;
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &lx_ops_playback);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &lx_ops_capture);
+
+ pcm->info_flags = 0;
+ strcpy(pcm->name, card_name);
+
+ err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ size, size);
+ if (err < 0)
+ return err;
+
+ chip->pcm = pcm;
+ chip->capture_stream.is_capture = 1;
+
+ return 0;
+}
+
+static int lx_control_playback_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int lx_control_playback_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct lx6464es *chip = snd_kcontrol_chip(kcontrol);
+ ucontrol->value.integer.value[0] = chip->playback_mute;
+ return 0;
+}
+
+static int lx_control_playback_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct lx6464es *chip = snd_kcontrol_chip(kcontrol);
+ int changed = 0;
+ int current_value = chip->playback_mute;
+
+ if (current_value != ucontrol->value.integer.value[0]) {
+ lx_level_unmute(chip, 0, !current_value);
+ chip->playback_mute = !current_value;
+ changed = 1;
+ }
+ return changed;
+}
+
+static struct snd_kcontrol_new lx_control_playback_switch __devinitdata = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "PCM Playback Switch",
+ .index = 0,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .private_value = 0,
+ .info = lx_control_playback_info,
+ .get = lx_control_playback_get,
+ .put = lx_control_playback_put
+};
+
+
+
+static void lx_proc_levels_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ u32 levels[64];
+ int err;
+ int i, j;
+ struct lx6464es *chip = entry->private_data;
+
+ snd_iprintf(buffer, "capture levels:\n");
+ err = lx_level_peaks(chip, 1, 64, levels);
+ if (err < 0)
+ return;
+
+ for (i = 0; i != 8; ++i) {
+ for (j = 0; j != 8; ++j)
+ snd_iprintf(buffer, "%08x ", levels[i*8+j]);
+ snd_iprintf(buffer, "\n");
+ }
+
+ snd_iprintf(buffer, "\nplayback levels:\n");
+
+ err = lx_level_peaks(chip, 0, 64, levels);
+ if (err < 0)
+ return;
+
+ for (i = 0; i != 8; ++i) {
+ for (j = 0; j != 8; ++j)
+ snd_iprintf(buffer, "%08x ", levels[i*8+j]);
+ snd_iprintf(buffer, "\n");
+ }
+
+ snd_iprintf(buffer, "\n");
+}
+
+static int __devinit lx_proc_create(struct snd_card *card, struct lx6464es *chip)
+{
+ struct snd_info_entry *entry;
+ int err = snd_card_proc_new(card, "levels", &entry);
+ if (err < 0)
+ return err;
+
+ snd_info_set_text_ops(entry, chip, lx_proc_levels_read);
+ return 0;
+}
+
+
+static int __devinit snd_lx6464es_create(struct snd_card *card,
+ struct pci_dev *pci,
+ struct lx6464es **rchip)
+{
+ struct lx6464es *chip;
+ int err;
+
+ static struct snd_device_ops ops = {
+ .dev_free = snd_lx6464es_dev_free,
+ };
+
+ snd_printdd("->snd_lx6464es_create\n");
+
+ *rchip = NULL;
+
+ /* enable PCI device */
+ err = pci_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ pci_set_master(pci);
+
+ /* check if we can restrict PCI DMA transfers to 32 bits */
+ err = pci_set_dma_mask(pci, DMA_32BIT_MASK);
+ if (err < 0) {
+ snd_printk(KERN_ERR "architecture does not support "
+ "32bit PCI busmaster DMA\n");
+ pci_disable_device(pci);
+ return -ENXIO;
+ }
+
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (chip == NULL) {
+ err = -ENOMEM;
+ goto alloc_failed;
+ }
+
+ chip->card = card;
+ chip->pci = pci;
+ chip->irq = -1;
+
+ /* initialize synchronization structs */
+ spin_lock_init(&chip->lock);
+ spin_lock_init(&chip->msg_lock);
+ mutex_init(&chip->setup_mutex);
+ tasklet_init(&chip->trigger_tasklet, lx_trigger_tasklet,
+ (unsigned long)chip);
+ tasklet_init(&chip->tasklet_capture, lx_tasklet_capture,
+ (unsigned long)chip);
+ tasklet_init(&chip->tasklet_playback, lx_tasklet_playback,
+ (unsigned long)chip);
+
+ /* request resources */
+ err = pci_request_regions(pci, card_name);
+ if (err < 0)
+ goto request_regions_failed;
+
+ /* plx port */
+ chip->port_plx = pci_resource_start(pci, 1);
+ chip->port_plx_remapped = ioport_map(chip->port_plx,
+ pci_resource_len(pci, 1));
+
+ /* dsp port */
+ chip->port_dsp_bar = pci_ioremap_bar(pci, 2);
+
+ err = request_irq(pci->irq, lx_interrupt, IRQF_SHARED,
+ card_name, chip);
+ if (err) {
+ snd_printk(KERN_ERR LXP "unable to grab IRQ %d\n", pci->irq);
+ goto request_irq_failed;
+ }
+ chip->irq = pci->irq;
+
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err < 0)
+ goto device_new_failed;
+
+ err = lx_init_dsp(chip);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "error during DSP initialization\n");
+ return err;
+ }
+
+ err = lx_pcm_create(chip);
+ if (err < 0)
+ return err;
+
+ err = lx_proc_create(card, chip);
+ if (err < 0)
+ return err;
+
+ err = snd_ctl_add(card, snd_ctl_new1(&lx_control_playback_switch,
+ chip));
+ if (err < 0)
+ return err;
+
+ snd_card_set_dev(card, &pci->dev);
+
+ *rchip = chip;
+ return 0;
+
+device_new_failed:
+ free_irq(pci->irq, chip);
+
+request_irq_failed:
+ pci_release_regions(pci);
+
+request_regions_failed:
+ kfree(chip);
+
+alloc_failed:
+ pci_disable_device(pci);
+
+ return err;
+}
+
+static int __devinit snd_lx6464es_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct snd_card *card;
+ struct lx6464es *chip;
+ int err;
+
+ snd_printdd("->snd_lx6464es_probe\n");
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (!enable[dev]) {
+ dev++;
+ return -ENOENT;
+ }
+
+ card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+ if (card == NULL)
+ return -ENOMEM;
+
+ err = snd_lx6464es_create(card, pci, &chip);
+ if (err < 0) {
+ snd_printk(KERN_ERR LXP "error during snd_lx6464es_create\n");
+ goto out_free;
+ }
+
+ strcpy(card->driver, "lx6464es");
+ strcpy(card->shortname, "Digigram LX6464ES");
+ sprintf(card->longname, "%s at 0x%lx, 0x%p, irq %i",
+ card->shortname, chip->port_plx,
+ chip->port_dsp_bar, chip->irq);
+
+ err = snd_card_register(card);
+ if (err < 0)
+ goto out_free;
+
+ snd_printdd(LXP "initialization successful\n");
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+
+out_free:
+ snd_card_free(card);
+ return err;
+
+}
+
+static void __devexit snd_lx6464es_remove(struct pci_dev *pci)
+{
+ snd_card_free(pci_get_drvdata(pci));
+ pci_set_drvdata(pci, NULL);
+}
+
+
+static struct pci_driver driver = {
+ .name = "Digigram LX6464ES",
+ .id_table = snd_lx6464es_ids,
+ .probe = snd_lx6464es_probe,
+ .remove = __devexit_p(snd_lx6464es_remove),
+};
+
+
+/* module initialization */
+static int __init mod_init(void)
+{
+ return pci_register_driver(&driver);
+}
+
+static void __exit mod_exit(void)
+{
+ pci_unregister_driver(&driver);
+}
+
+module_init(mod_init);
+module_exit(mod_exit);
--- /dev/null
+/* -*- linux-c -*- *
+ *
+ * ALSA driver for the digigram lx6464es interface
+ *
+ * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef LX6464ES_H
+#define LX6464ES_H
+
+#include <linux/spinlock.h>
+#include <asm/atomic.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "lx_core.h"
+
+#define LXP "LX6464ES: "
+
+enum {
+ ES_cmd_free = 0, /* no command executing */
+ ES_cmd_processing = 1, /* execution of a read/write command */
+ ES_read_pending = 2, /* a asynchron read command is pending */
+ ES_read_finishing = 3, /* a read command has finished waiting (set by
+ * Interrupt or CancelIrp) */
+};
+
+enum lx_stream_status {
+ LX_STREAM_STATUS_FREE,
+/* LX_STREAM_STATUS_OPEN, */
+ LX_STREAM_STATUS_SCHEDULE_RUN,
+/* LX_STREAM_STATUS_STARTED, */
+ LX_STREAM_STATUS_RUNNING,
+ LX_STREAM_STATUS_SCHEDULE_STOP,
+/* LX_STREAM_STATUS_STOPPED, */
+/* LX_STREAM_STATUS_PAUSED */
+};
+
+
+struct lx_stream {
+ struct snd_pcm_substream *stream;
+ snd_pcm_uframes_t frame_pos;
+ enum lx_stream_status status; /* free, open, running, draining
+ * pause */
+ int is_capture:1;
+};
+
+
+struct lx6464es {
+ struct snd_card *card;
+ struct pci_dev *pci;
+ int irq;
+
+ spinlock_t lock; /* interrupt spinlock */
+ struct mutex setup_mutex; /* mutex used in hw_params, open
+ * and close */
+
+ struct tasklet_struct trigger_tasklet; /* trigger tasklet */
+ struct tasklet_struct tasklet_capture;
+ struct tasklet_struct tasklet_playback;
+
+ /* ports */
+ unsigned long port_plx; /* io port (size=256) */
+ void __iomem *port_plx_remapped; /* remapped plx port */
+ void __iomem *port_dsp_bar; /* memory port (32-bit,
+ * non-prefetchable,
+ * size=8K) */
+
+ /* messaging */
+ spinlock_t msg_lock; /* message spinlock */
+ atomic_t send_message_locked;
+ struct lx_rmh rmh;
+
+ /* configuration */
+ uint freq_ratio : 2;
+ uint playback_mute : 1;
+ uint hardware_running[2];
+ u32 board_sample_rate; /* sample rate read from
+ * board */
+ u32 sample_rate; /* our sample rate */
+ u16 pcm_granularity; /* board blocksize */
+
+ /* dma */
+ struct snd_dma_buffer capture_dma_buf;
+ struct snd_dma_buffer playback_dma_buf;
+
+ /* pcm */
+ struct snd_pcm *pcm;
+
+ /* streams */
+ struct lx_stream capture_stream;
+ struct lx_stream playback_stream;
+};
+
+
+#endif /* LX6464ES_H */
--- /dev/null
+/* -*- linux-c -*- *
+ *
+ * ALSA driver for the digigram lx6464es interface
+ * low-level interface
+ *
+ * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+/* #define RMH_DEBUG 1 */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "lx6464es.h"
+#include "lx_core.h"
+
+/* low-level register access */
+
+static const unsigned long dsp_port_offsets[] = {
+ 0,
+ 0x400,
+ 0x401,
+ 0x402,
+ 0x403,
+ 0x404,
+ 0x405,
+ 0x406,
+ 0x407,
+ 0x408,
+ 0x409,
+ 0x40a,
+ 0x40b,
+ 0x40c,
+
+ 0x410,
+ 0x411,
+ 0x412,
+ 0x413,
+ 0x414,
+ 0x415,
+ 0x416,
+
+ 0x420,
+ 0x430,
+ 0x431,
+ 0x432,
+ 0x433,
+ 0x434,
+ 0x440
+};
+
+static void __iomem *lx_dsp_register(struct lx6464es *chip, int port)
+{
+ void __iomem *base_address = chip->port_dsp_bar;
+ return base_address + dsp_port_offsets[port]*4;
+}
+
+unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port)
+{
+ void __iomem *address = lx_dsp_register(chip, port);
+ return ioread32(address);
+}
+
+void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len)
+{
+ void __iomem *address = lx_dsp_register(chip, port);
+ memcpy_fromio(data, address, len*sizeof(u32));
+}
+
+
+void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data)
+{
+ void __iomem *address = lx_dsp_register(chip, port);
+ iowrite32(data, address);
+}
+
+void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data,
+ u32 len)
+{
+ void __iomem *address = lx_dsp_register(chip, port);
+ memcpy_toio(address, data, len*sizeof(u32));
+}
+
+
+static const unsigned long plx_port_offsets[] = {
+ 0x04,
+ 0x40,
+ 0x44,
+ 0x48,
+ 0x4c,
+ 0x50,
+ 0x54,
+ 0x58,
+ 0x5c,
+ 0x64,
+ 0x68,
+ 0x6C
+};
+
+static void __iomem *lx_plx_register(struct lx6464es *chip, int port)
+{
+ void __iomem *base_address = chip->port_plx_remapped;
+ return base_address + plx_port_offsets[port];
+}
+
+unsigned long lx_plx_reg_read(struct lx6464es *chip, int port)
+{
+ void __iomem *address = lx_plx_register(chip, port);
+ return ioread32(address);
+}
+
+void lx_plx_reg_write(struct lx6464es *chip, int port, u32 data)
+{
+ void __iomem *address = lx_plx_register(chip, port);
+ iowrite32(data, address);
+}
+
+u32 lx_plx_mbox_read(struct lx6464es *chip, int mbox_nr)
+{
+ int index;
+
+ switch (mbox_nr) {
+ case 1:
+ index = ePLX_MBOX1; break;
+ case 2:
+ index = ePLX_MBOX2; break;
+ case 3:
+ index = ePLX_MBOX3; break;
+ case 4:
+ index = ePLX_MBOX4; break;
+ case 5:
+ index = ePLX_MBOX5; break;
+ case 6:
+ index = ePLX_MBOX6; break;
+ case 7:
+ index = ePLX_MBOX7; break;
+ case 0: /* reserved for HF flags */
+ snd_BUG();
+ default:
+ return 0xdeadbeef;
+ }
+
+ return lx_plx_reg_read(chip, index);
+}
+
+int lx_plx_mbox_write(struct lx6464es *chip, int mbox_nr, u32 value)
+{
+ int index = -1;
+
+ switch (mbox_nr) {
+ case 1:
+ index = ePLX_MBOX1; break;
+ case 3:
+ index = ePLX_MBOX3; break;
+ case 4:
+ index = ePLX_MBOX4; break;
+ case 5:
+ index = ePLX_MBOX5; break;
+ case 6:
+ index = ePLX_MBOX6; break;
+ case 7:
+ index = ePLX_MBOX7; break;
+ case 0: /* reserved for HF flags */
+ case 2: /* reserved for Pipe States
+ * the DSP keeps an image of it */
+ snd_BUG();
+ return -EBADRQC;
+ }
+
+ lx_plx_reg_write(chip, index, value);
+ return 0;
+}
+
+
+/* rmh */
+
+#ifdef CONFIG_SND_DEBUG
+#define CMD_NAME(a) a
+#else
+#define CMD_NAME(a) NULL
+#endif
+
+#define Reg_CSM_MR 0x00000002
+#define Reg_CSM_MC 0x00000001
+
+struct dsp_cmd_info {
+ u32 dcCodeOp; /* Op Code of the command (usually 1st 24-bits
+ * word).*/
+ u16 dcCmdLength; /* Command length in words of 24 bits.*/
+ u16 dcStatusType; /* Status type: 0 for fixed length, 1 for
+ * random. */
+ u16 dcStatusLength; /* Status length (if fixed).*/
+ char *dcOpName;
+};
+
+/*
+ Initialization and control data for the Microblaze interface
+ - OpCode:
+ the opcode field of the command set at the proper offset
+ - CmdLength
+ the number of command words
+ - StatusType
+ offset in the status registers: 0 means that the return value may be
+ different from 0, and must be read
+ - StatusLength
+ the number of status words (in addition to the return value)
+*/
+
+static struct dsp_cmd_info dsp_commands[] =
+{
+ { (CMD_00_INFO_DEBUG << OPCODE_OFFSET) , 1 /*custom*/
+ , 1 , 0 /**/ , CMD_NAME("INFO_DEBUG") },
+ { (CMD_01_GET_SYS_CFG << OPCODE_OFFSET) , 1 /**/
+ , 1 , 2 /**/ , CMD_NAME("GET_SYS_CFG") },
+ { (CMD_02_SET_GRANULARITY << OPCODE_OFFSET) , 1 /**/
+ , 1 , 0 /**/ , CMD_NAME("SET_GRANULARITY") },
+ { (CMD_03_SET_TIMER_IRQ << OPCODE_OFFSET) , 1 /**/
+ , 1 , 0 /**/ , CMD_NAME("SET_TIMER_IRQ") },
+ { (CMD_04_GET_EVENT << OPCODE_OFFSET) , 1 /**/
+ , 1 , 0 /*up to 10*/ , CMD_NAME("GET_EVENT") },
+ { (CMD_05_GET_PIPES << OPCODE_OFFSET) , 1 /**/
+ , 1 , 2 /*up to 4*/ , CMD_NAME("GET_PIPES") },
+ { (CMD_06_ALLOCATE_PIPE << OPCODE_OFFSET) , 1 /**/
+ , 0 , 0 /**/ , CMD_NAME("ALLOCATE_PIPE") },
+ { (CMD_07_RELEASE_PIPE << OPCODE_OFFSET) , 1 /**/
+ , 0 , 0 /**/ , CMD_NAME("RELEASE_PIPE") },
+ { (CMD_08_ASK_BUFFERS << OPCODE_OFFSET) , 1 /**/
+ , 1 , MAX_STREAM_BUFFER , CMD_NAME("ASK_BUFFERS") },
+ { (CMD_09_STOP_PIPE << OPCODE_OFFSET) , 1 /**/
+ , 0 , 0 /*up to 2*/ , CMD_NAME("STOP_PIPE") },
+ { (CMD_0A_GET_PIPE_SPL_COUNT << OPCODE_OFFSET) , 1 /**/
+ , 1 , 1 /*up to 2*/ , CMD_NAME("GET_PIPE_SPL_COUNT") },
+ { (CMD_0B_TOGGLE_PIPE_STATE << OPCODE_OFFSET) , 1 /*up to 5*/
+ , 1 , 0 /**/ , CMD_NAME("TOGGLE_PIPE_STATE") },
+ { (CMD_0C_DEF_STREAM << OPCODE_OFFSET) , 1 /*up to 4*/
+ , 1 , 0 /**/ , CMD_NAME("DEF_STREAM") },
+ { (CMD_0D_SET_MUTE << OPCODE_OFFSET) , 3 /**/
+ , 1 , 0 /**/ , CMD_NAME("SET_MUTE") },
+ { (CMD_0E_GET_STREAM_SPL_COUNT << OPCODE_OFFSET) , 1/**/
+ , 1 , 2 /**/ , CMD_NAME("GET_STREAM_SPL_COUNT") },
+ { (CMD_0F_UPDATE_BUFFER << OPCODE_OFFSET) , 3 /*up to 4*/
+ , 0 , 1 /**/ , CMD_NAME("UPDATE_BUFFER") },
+ { (CMD_10_GET_BUFFER << OPCODE_OFFSET) , 1 /**/
+ , 1 , 4 /**/ , CMD_NAME("GET_BUFFER") },
+ { (CMD_11_CANCEL_BUFFER << OPCODE_OFFSET) , 1 /**/
+ , 1 , 1 /*up to 4*/ , CMD_NAME("CANCEL_BUFFER") },
+ { (CMD_12_GET_PEAK << OPCODE_OFFSET) , 1 /**/
+ , 1 , 1 /**/ , CMD_NAME("GET_PEAK") },
+ { (CMD_13_SET_STREAM_STATE << OPCODE_OFFSET) , 1 /**/
+ , 1 , 0 /**/ , CMD_NAME("SET_STREAM_STATE") },
+};
+
+static void lx_message_init(struct lx_rmh *rmh, enum cmd_mb_opcodes cmd)
+{
+ snd_BUG_ON(cmd >= CMD_14_INVALID);
+
+ rmh->cmd[0] = dsp_commands[cmd].dcCodeOp;
+ rmh->cmd_len = dsp_commands[cmd].dcCmdLength;
+ rmh->stat_len = dsp_commands[cmd].dcStatusLength;
+ rmh->dsp_stat = dsp_commands[cmd].dcStatusType;
+ rmh->cmd_idx = cmd;
+ memset(&rmh->cmd[1], 0, (REG_CRM_NUMBER - 1) * sizeof(u32));
+
+#ifdef CONFIG_SND_DEBUG
+ memset(rmh->stat, 0, REG_CRM_NUMBER * sizeof(u32));
+#endif
+#ifdef RMH_DEBUG
+ rmh->cmd_idx = cmd;
+#endif
+}
+
+#ifdef RMH_DEBUG
+#define LXRMH "lx6464es rmh: "
+static void lx_message_dump(struct lx_rmh *rmh)
+{
+ u8 idx = rmh->cmd_idx;
+ int i;
+
+ snd_printk(LXRMH "command %s\n", dsp_commands[idx].dcOpName);
+
+ for (i = 0; i != rmh->cmd_len; ++i)
+ snd_printk(LXRMH "\tcmd[%d] %08x\n", i, rmh->cmd[i]);
+
+ for (i = 0; i != rmh->stat_len; ++i)
+ snd_printk(LXRMH "\tstat[%d]: %08x\n", i, rmh->stat[i]);
+ snd_printk("\n");
+}
+#else
+static inline void lx_message_dump(struct lx_rmh *rmh)
+{}
+#endif
+
+
+
+/* sleep 500 - 100 = 400 times 100us -> the timeout is >= 40 ms */
+#define XILINX_TIMEOUT_MS 40
+#define XILINX_POLL_NO_SLEEP 100
+#define XILINX_POLL_ITERATIONS 150
+
+static int lx_message_send(struct lx6464es *chip, struct lx_rmh *rmh)
+{
+ u32 reg = ED_DSP_TIMED_OUT;
+ int dwloop;
+ int answer_received;
+
+ if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) {
+ snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg);
+ return -EBUSY;
+ }
+
+ /* write command */
+ lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len);
+
+ snd_BUG_ON(atomic_read(&chip->send_message_locked) != 0);
+ atomic_set(&chip->send_message_locked, 1);
+
+ /* MicoBlaze gogogo */
+ lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC);
+
+ /* wait for interrupt to answer */
+ for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS; ++dwloop) {
+ answer_received = atomic_read(&chip->send_message_locked);
+ if (answer_received == 0)
+ break;
+ msleep(1);
+ }
+
+ if (answer_received == 0) {
+ /* in Debug mode verify Reg_CSM_MR */
+ snd_BUG_ON(!(lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR));
+
+ /* command finished, read status */
+ if (rmh->dsp_stat == 0)
+ reg = lx_dsp_reg_read(chip, eReg_CRM1);
+ else
+ reg = 0;
+ } else {
+ int i;
+ snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! "
+ "Interrupts disabled?\n");
+
+ /* attente bit Reg_CSM_MR */
+ for (i = 0; i != XILINX_POLL_ITERATIONS; i++) {
+ if ((lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR)) {
+ if (rmh->dsp_stat == 0)
+ reg = lx_dsp_reg_read(chip, eReg_CRM1);
+ else
+ reg = 0;
+ goto polling_successful;
+ }
+
+ if (i > XILINX_POLL_NO_SLEEP)
+ msleep(1);
+ }
+ snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! "
+ "polling failed\n");
+
+polling_successful:
+ atomic_set(&chip->send_message_locked, 0);
+ }
+
+ if ((reg & ERROR_VALUE) == 0) {
+ /* read response */
+ if (rmh->stat_len) {
+ snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1));
+
+ lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat,
+ rmh->stat_len);
+ }
+ } else
+ snd_printk(KERN_WARNING LXP "lx_message_send: error_value %x\n",
+ reg);
+
+ /* clear Reg_CSM_MR */
+ lx_dsp_reg_write(chip, eReg_CSM, 0);
+
+ switch (reg) {
+ case ED_DSP_TIMED_OUT:
+ snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n");
+ return -ETIMEDOUT;
+
+ case ED_DSP_CRASHED:
+ snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n");
+ return -EAGAIN;
+ }
+
+ lx_message_dump(rmh);
+ return 0;
+}
+
+static int lx_message_send_atomic(struct lx6464es *chip, struct lx_rmh *rmh)
+{
+ u32 reg = ED_DSP_TIMED_OUT;
+ int dwloop;
+
+ if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) {
+ snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg);
+ return -EBUSY;
+ }
+
+ /* write command */
+ lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len);
+
+ /* MicoBlaze gogogo */
+ lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC);
+
+ /* wait for interrupt to answer */
+ for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS * 1000; ++dwloop) {
+ if (lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR) {
+ if (rmh->dsp_stat == 0)
+ reg = lx_dsp_reg_read(chip, eReg_CRM1);
+ else
+ reg = 0;
+ goto polling_successful;
+ } else
+ udelay(1);
+ }
+ snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send_atomic! "
+ "polling failed\n");
+
+polling_successful:
+ if ((reg & ERROR_VALUE) == 0) {
+ /* read response */
+ if (rmh->stat_len) {
+ snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1));
+ lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat,
+ rmh->stat_len);
+ }
+ } else
+ snd_printk(LXP "rmh error: %08x\n", reg);
+
+ /* clear Reg_CSM_MR */
+ lx_dsp_reg_write(chip, eReg_CSM, 0);
+
+ switch (reg) {
+ case ED_DSP_TIMED_OUT:
+ snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n");
+ return -ETIMEDOUT;
+
+ case ED_DSP_CRASHED:
+ snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n");
+ return -EAGAIN;
+ }
+
+ lx_message_dump(rmh);
+
+ return reg;
+}
+
+
+/* low-level dsp access */
+int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version)
+{
+ u16 ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+
+ lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG);
+ ret = lx_message_send_atomic(chip, &chip->rmh);
+
+ *rdsp_version = chip->rmh.stat[1];
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return ret;
+}
+
+int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq)
+{
+ u16 ret = 0;
+ unsigned long flags;
+ u32 freq_raw = 0;
+ u32 freq = 0;
+ u32 frequency = 0;
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+
+ lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG);
+ ret = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (ret == 0) {
+ freq_raw = chip->rmh.stat[0] >> FREQ_FIELD_OFFSET;
+ freq = freq_raw & XES_FREQ_COUNT8_MASK;
+
+ if ((freq < XES_FREQ_COUNT8_48_MAX) ||
+ (freq > XES_FREQ_COUNT8_44_MIN))
+ frequency = 0; /* unknown */
+ else if (freq >= XES_FREQ_COUNT8_44_MAX)
+ frequency = 44100;
+ else
+ frequency = 48000;
+ }
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+
+ *rfreq = frequency * chip->freq_ratio;
+
+ return ret;
+}
+
+int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address)
+{
+ u32 macmsb, maclsb;
+
+ macmsb = lx_dsp_reg_read(chip, eReg_ADMACESMSB) & 0x00FFFFFF;
+ maclsb = lx_dsp_reg_read(chip, eReg_ADMACESLSB) & 0x00FFFFFF;
+
+ /* todo: endianess handling */
+ mac_address[5] = ((u8 *)(&maclsb))[0];
+ mac_address[4] = ((u8 *)(&maclsb))[1];
+ mac_address[3] = ((u8 *)(&maclsb))[2];
+ mac_address[2] = ((u8 *)(&macmsb))[0];
+ mac_address[1] = ((u8 *)(&macmsb))[1];
+ mac_address[0] = ((u8 *)(&macmsb))[2];
+
+ return 0;
+}
+
+
+int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran)
+{
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+
+ lx_message_init(&chip->rmh, CMD_02_SET_GRANULARITY);
+ chip->rmh.cmd[0] |= gran;
+
+ ret = lx_message_send_atomic(chip, &chip->rmh);
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return ret;
+}
+
+int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data)
+{
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+
+ lx_message_init(&chip->rmh, CMD_04_GET_EVENT);
+ chip->rmh.stat_len = 9; /* we don't necessarily need the full length */
+
+ ret = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (!ret)
+ memcpy(data, chip->rmh.stat, chip->rmh.stat_len * sizeof(u32));
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return ret;
+}
+
+#define CSES_TIMEOUT 100 /* microseconds */
+#define CSES_CE 0x0001
+#define CSES_BROADCAST 0x0002
+#define CSES_UPDATE_LDSV 0x0004
+
+int lx_dsp_es_check_pipeline(struct lx6464es *chip)
+{
+ int i;
+
+ for (i = 0; i != CSES_TIMEOUT; ++i) {
+ /*
+ * le bit CSES_UPDATE_LDSV est à 1 dés que le macprog
+ * est pret. il re-passe à 0 lorsque le premier read a
+ * été fait. pour l'instant on retire le test car ce bit
+ * passe a 1 environ 200 à 400 ms aprés que le registre
+ * confES à été écrit (kick du xilinx ES).
+ *
+ * On ne teste que le bit CE.
+ * */
+
+ u32 cses = lx_dsp_reg_read(chip, eReg_CSES);
+
+ if ((cses & CSES_CE) == 0)
+ return 0;
+
+ udelay(1);
+ }
+
+ return -ETIMEDOUT;
+}
+
+
+#define PIPE_INFO_TO_CMD(capture, pipe) \
+ ((u32)((u32)(pipe) | ((capture) ? ID_IS_CAPTURE : 0L)) << ID_OFFSET)
+
+
+
+/* low-level pipe handling */
+int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture,
+ int channels)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_06_ALLOCATE_PIPE);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+ chip->rmh.cmd[0] |= channels;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+
+ if (err != 0)
+ snd_printk(KERN_ERR "lx6464es: could not allocate pipe\n");
+
+ return err;
+}
+
+int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_07_RELEASE_PIPE);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+
+ return err;
+}
+
+int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 *r_needed, u32 *r_freed, u32 *size_array)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+#ifdef CONFIG_SND_DEBUG
+ if (size_array)
+ memset(size_array, 0, sizeof(u32)*MAX_STREAM_BUFFER);
+#endif
+
+ *r_needed = 0;
+ *r_freed = 0;
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_08_ASK_BUFFERS);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (!err) {
+ int i;
+ for (i = 0; i < MAX_STREAM_BUFFER; ++i) {
+ u32 stat = chip->rmh.stat[i];
+ if (stat & (BF_EOB << BUFF_FLAGS_OFFSET)) {
+ /* finished */
+ *r_freed += 1;
+ if (size_array)
+ size_array[i] = stat & MASK_DATA_SIZE;
+ } else if ((stat & (BF_VALID << BUFF_FLAGS_OFFSET))
+ == 0)
+ /* free */
+ *r_needed += 1;
+ }
+
+#if 0
+ snd_printdd(LXP "CMD_08_ASK_BUFFERS: needed %d, freed %d\n",
+ *r_needed, *r_freed);
+ for (i = 0; i < MAX_STREAM_BUFFER; ++i) {
+ for (i = 0; i != chip->rmh.stat_len; ++i)
+ snd_printdd(" stat[%d]: %x, %x\n", i,
+ chip->rmh.stat[i],
+ chip->rmh.stat[i] & MASK_DATA_SIZE);
+ }
+#endif
+ }
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+
+int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_09_STOP_PIPE);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+static int lx_pipe_toggle_state(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0B_TOGGLE_PIPE_STATE);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+
+int lx_pipe_start(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ int err;
+
+ err = lx_pipe_wait_for_idle(chip, pipe, is_capture);
+ if (err < 0)
+ return err;
+
+ err = lx_pipe_toggle_state(chip, pipe, is_capture);
+
+ return err;
+}
+
+int lx_pipe_pause(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ int err = 0;
+
+ err = lx_pipe_wait_for_start(chip, pipe, is_capture);
+ if (err < 0)
+ return err;
+
+ err = lx_pipe_toggle_state(chip, pipe, is_capture);
+
+ return err;
+}
+
+
+int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture,
+ u64 *rsample_count)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+ chip->rmh.stat_len = 2; /* need all words here! */
+
+ err = lx_message_send_atomic(chip, &chip->rmh); /* don't sleep! */
+
+ if (err != 0)
+ snd_printk(KERN_ERR
+ "lx6464es: could not query pipe's sample count\n");
+ else {
+ *rsample_count = ((u64)(chip->rmh.stat[0] & MASK_SPL_COUNT_HI)
+ << 24) /* hi part */
+ + chip->rmh.stat[1]; /* lo part */
+ }
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (err != 0)
+ snd_printk(KERN_ERR "lx6464es: could not query pipe's state\n");
+ else
+ *rstate = (chip->rmh.stat[0] >> PSTATE_OFFSET) & 0x0F;
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+static int lx_pipe_wait_for_state(struct lx6464es *chip, u32 pipe,
+ int is_capture, u16 state)
+{
+ int i;
+
+ /* max 2*PCMOnlyGranularity = 2*1024 at 44100 = < 50 ms:
+ * timeout 50 ms */
+ for (i = 0; i != 50; ++i) {
+ u16 current_state;
+ int err = lx_pipe_state(chip, pipe, is_capture, ¤t_state);
+
+ if (err < 0)
+ return err;
+
+ if (current_state == state)
+ return 0;
+
+ mdelay(1);
+ }
+
+ return -ETIMEDOUT;
+}
+
+int lx_pipe_wait_for_start(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ return lx_pipe_wait_for_state(chip, pipe, is_capture, PSTATE_RUN);
+}
+
+int lx_pipe_wait_for_idle(struct lx6464es *chip, u32 pipe, int is_capture)
+{
+ return lx_pipe_wait_for_state(chip, pipe, is_capture, PSTATE_IDLE);
+}
+
+/* low-level stream handling */
+int lx_stream_set_state(struct lx6464es *chip, u32 pipe,
+ int is_capture, enum stream_state_t state)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_13_SET_STREAM_STATE);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+ chip->rmh.cmd[0] |= state;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+
+ return err;
+}
+
+int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime,
+ u32 pipe, int is_capture)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ u32 channels = runtime->channels;
+
+ if (runtime->channels != channels)
+ snd_printk(KERN_ERR LXP "channel count mismatch: %d vs %d",
+ runtime->channels, channels);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0C_DEF_STREAM);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ if (runtime->sample_bits == 16)
+ /* 16 bit format */
+ chip->rmh.cmd[0] |= (STREAM_FMT_16b << STREAM_FMT_OFFSET);
+
+ if (snd_pcm_format_little_endian(runtime->format))
+ /* little endian/intel format */
+ chip->rmh.cmd[0] |= (STREAM_FMT_intel << STREAM_FMT_OFFSET);
+
+ chip->rmh.cmd[0] |= channels-1;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+
+ return err;
+}
+
+int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture,
+ int *rstate)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ *rstate = (chip->rmh.stat[0] & SF_START) ? START_STATE : PAUSE_STATE;
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture,
+ u64 *r_bytepos)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ *r_bytepos = ((u64) (chip->rmh.stat[0] & MASK_SPL_COUNT_HI)
+ << 32) /* hi part */
+ + chip->rmh.stat[1]; /* lo part */
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+/* low-level buffer handling */
+int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 buffer_size, u32 buf_address_lo, u32 buf_address_hi,
+ u32 *r_buffer_index)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0F_UPDATE_BUFFER);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+ chip->rmh.cmd[0] |= BF_NOTIFY_EOB; /* request interrupt notification */
+
+ /* todo: pause request, circular buffer */
+
+ chip->rmh.cmd[1] = buffer_size & MASK_DATA_SIZE;
+ chip->rmh.cmd[2] = buf_address_lo;
+
+ if (buf_address_hi) {
+ chip->rmh.cmd_len = 4;
+ chip->rmh.cmd[3] = buf_address_hi;
+ chip->rmh.cmd[0] |= BF_64BITS_ADR;
+ }
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (err == 0) {
+ *r_buffer_index = chip->rmh.stat[0];
+ goto done;
+ }
+
+ if (err == EB_RBUFFERS_TABLE_OVERFLOW)
+ snd_printk(LXP "lx_buffer_give EB_RBUFFERS_TABLE_OVERFLOW\n");
+
+ if (err == EB_INVALID_STREAM)
+ snd_printk(LXP "lx_buffer_give EB_INVALID_STREAM\n");
+
+ if (err == EB_CMD_REFUSED)
+ snd_printk(LXP "lx_buffer_give EB_CMD_REFUSED\n");
+
+ done:
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 *r_buffer_size)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+ chip->rmh.cmd[0] |= MASK_BUFFER_ID; /* ask for the current buffer: the
+ * microblaze will seek for it */
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (err == 0)
+ *r_buffer_size = chip->rmh.stat[0] & MASK_DATA_SIZE;
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 buffer_index)
+{
+ int err;
+ unsigned long flags;
+
+ u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER);
+
+ chip->rmh.cmd[0] |= pipe_cmd;
+ chip->rmh.cmd[0] |= buffer_index;
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+
+/* low-level gain/peak handling
+ *
+ * \todo: can we unmute capture/playback channels independently?
+ *
+ * */
+int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute)
+{
+ int err;
+ unsigned long flags;
+
+ /* bit set to 1: channel muted */
+ u64 mute_mask = unmute ? 0 : 0xFFFFFFFFFFFFFFFFLLU;
+
+ spin_lock_irqsave(&chip->msg_lock, flags);
+ lx_message_init(&chip->rmh, CMD_0D_SET_MUTE);
+
+ chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, 0);
+
+ chip->rmh.cmd[1] = (u32)(mute_mask >> (u64)32); /* hi part */
+ chip->rmh.cmd[2] = (u32)(mute_mask & (u64)0xFFFFFFFF); /* lo part */
+
+ snd_printk("mute %x %x %x\n", chip->rmh.cmd[0], chip->rmh.cmd[1],
+ chip->rmh.cmd[2]);
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+static u32 peak_map[] = {
+ 0x00000109, /* -90.308dB */
+ 0x0000083B, /* -72.247dB */
+ 0x000020C4, /* -60.205dB */
+ 0x00008273, /* -48.030dB */
+ 0x00020756, /* -36.005dB */
+ 0x00040C37, /* -30.001dB */
+ 0x00081385, /* -24.002dB */
+ 0x00101D3F, /* -18.000dB */
+ 0x0016C310, /* -15.000dB */
+ 0x002026F2, /* -12.001dB */
+ 0x002D6A86, /* -9.000dB */
+ 0x004026E6, /* -6.004dB */
+ 0x005A9DF6, /* -3.000dB */
+ 0x0065AC8B, /* -2.000dB */
+ 0x00721481, /* -1.000dB */
+ 0x007FFFFF, /* FS */
+};
+
+int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels,
+ u32 *r_levels)
+{
+ int err = 0;
+ unsigned long flags;
+ int i;
+ spin_lock_irqsave(&chip->msg_lock, flags);
+
+ for (i = 0; i < channels; i += 4) {
+ u32 s0, s1, s2, s3;
+
+ lx_message_init(&chip->rmh, CMD_12_GET_PEAK);
+ chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, i);
+
+ err = lx_message_send_atomic(chip, &chip->rmh);
+
+ if (err == 0) {
+ s0 = peak_map[chip->rmh.stat[0] & 0x0F];
+ s1 = peak_map[(chip->rmh.stat[0] >> 4) & 0xf];
+ s2 = peak_map[(chip->rmh.stat[0] >> 8) & 0xf];
+ s3 = peak_map[(chip->rmh.stat[0] >> 12) & 0xf];
+ } else
+ s0 = s1 = s2 = s3 = 0;
+
+ r_levels[0] = s0;
+ r_levels[1] = s1;
+ r_levels[2] = s2;
+ r_levels[3] = s3;
+
+ r_levels += 4;
+ }
+
+ spin_unlock_irqrestore(&chip->msg_lock, flags);
+ return err;
+}
+
+/* interrupt handling */
+#define PCX_IRQ_NONE 0
+#define IRQCS_ACTIVE_PCIDB 0x00002000L /* Bit nÃ\83¸ 13 */
+#define IRQCS_ENABLE_PCIIRQ 0x00000100L /* Bit nÃ\83¸ 08 */
+#define IRQCS_ENABLE_PCIDB 0x00000200L /* Bit nÃ\83¸ 09 */
+
+static u32 lx_interrupt_test_ack(struct lx6464es *chip)
+{
+ u32 irqcs = lx_plx_reg_read(chip, ePLX_IRQCS);
+
+ /* Test if PCI Doorbell interrupt is active */
+ if (irqcs & IRQCS_ACTIVE_PCIDB) {
+ u32 temp;
+ irqcs = PCX_IRQ_NONE;
+
+ while ((temp = lx_plx_reg_read(chip, ePLX_L2PCIDB))) {
+ /* RAZ interrupt */
+ irqcs |= temp;
+ lx_plx_reg_write(chip, ePLX_L2PCIDB, temp);
+ }
+
+ return irqcs;
+ }
+ return PCX_IRQ_NONE;
+}
+
+static int lx_interrupt_ack(struct lx6464es *chip, u32 *r_irqsrc,
+ int *r_async_pending, int *r_async_escmd)
+{
+ u32 irq_async;
+ u32 irqsrc = lx_interrupt_test_ack(chip);
+
+ if (irqsrc == PCX_IRQ_NONE)
+ return 0;
+
+ *r_irqsrc = irqsrc;
+
+ irq_async = irqsrc & MASK_SYS_ASYNC_EVENTS; /* + EtherSound response
+ * (set by xilinx) + EOB */
+
+ if (irq_async & MASK_SYS_STATUS_ESA) {
+ irq_async &= ~MASK_SYS_STATUS_ESA;
+ *r_async_escmd = 1;
+ }
+
+ if (irqsrc & MASK_SYS_STATUS_CMD_DONE)
+ /* xilinx command notification */
+ atomic_set(&chip->send_message_locked, 0);
+
+ if (irq_async) {
+ /* snd_printd("interrupt: async event pending\n"); */
+ *r_async_pending = 1;
+ }
+
+ return 1;
+}
+
+static int lx_interrupt_handle_async_events(struct lx6464es *chip, u32 irqsrc,
+ int *r_freq_changed,
+ u64 *r_notified_in_pipe_mask,
+ u64 *r_notified_out_pipe_mask)
+{
+ int err;
+ u32 stat[9]; /* answer from CMD_04_GET_EVENT */
+
+ /* On peut optimiser pour ne pas lire les evenements vides
+ * les mots de rÃ\83©ponse sont dans l'ordre suivant :
+ * Stat[0] mot de status gÃ\83©nÃ\83©ral
+ * Stat[1] fin de buffer OUT pF
+ * Stat[2] fin de buffer OUT pf
+ * Stat[3] fin de buffer IN pF
+ * Stat[4] fin de buffer IN pf
+ * Stat[5] underrun poid fort
+ * Stat[6] underrun poid faible
+ * Stat[7] overrun poid fort
+ * Stat[8] overrun poid faible
+ * */
+
+ u64 orun_mask;
+ u64 urun_mask;
+#if 0
+ int has_underrun = (irqsrc & MASK_SYS_STATUS_URUN) ? 1 : 0;
+ int has_overrun = (irqsrc & MASK_SYS_STATUS_ORUN) ? 1 : 0;
+#endif
+ int eb_pending_out = (irqsrc & MASK_SYS_STATUS_EOBO) ? 1 : 0;
+ int eb_pending_in = (irqsrc & MASK_SYS_STATUS_EOBI) ? 1 : 0;
+
+ *r_freq_changed = (irqsrc & MASK_SYS_STATUS_FREQ) ? 1 : 0;
+
+ err = lx_dsp_read_async_events(chip, stat);
+ if (err < 0)
+ return err;
+
+ if (eb_pending_in) {
+ *r_notified_in_pipe_mask = ((u64)stat[3] << 32)
+ + stat[4];
+ snd_printdd(LXP "interrupt: EOBI pending %llx\n",
+ *r_notified_in_pipe_mask);
+ }
+ if (eb_pending_out) {
+ *r_notified_out_pipe_mask = ((u64)stat[1] << 32)
+ + stat[2];
+ snd_printdd(LXP "interrupt: EOBO pending %llx\n",
+ *r_notified_out_pipe_mask);
+ }
+
+ orun_mask = ((u64)stat[7] << 32) + stat[8];
+ urun_mask = ((u64)stat[5] << 32) + stat[6];
+
+ /* todo: handle xrun notification */
+
+ return err;
+}
+
+static int lx_interrupt_request_new_buffer(struct lx6464es *chip,
+ struct lx_stream *lx_stream)
+{
+ struct snd_pcm_substream *substream = lx_stream->stream;
+ int is_capture = lx_stream->is_capture;
+ int err;
+ unsigned long flags;
+
+ const u32 channels = substream->runtime->channels;
+ const u32 bytes_per_frame = channels * 3;
+ const u32 period_size = substream->runtime->period_size;
+ const u32 period_bytes = period_size * bytes_per_frame;
+ const u32 pos = lx_stream->frame_pos;
+ const u32 next_pos = ((pos+1) == substream->runtime->periods) ?
+ 0 : pos + 1;
+
+ dma_addr_t buf = substream->dma_buffer.addr + pos * period_bytes;
+ u32 buf_hi = 0;
+ u32 buf_lo = 0;
+ u32 buffer_index = 0;
+
+ u32 needed, freed;
+ u32 size_array[MAX_STREAM_BUFFER];
+
+ snd_printdd("->lx_interrupt_request_new_buffer\n");
+
+ spin_lock_irqsave(&chip->lock, flags);
+
+ err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array);
+ snd_printdd(LXP "interrupt: needed %d, freed %d\n", needed, freed);
+
+ unpack_pointer(buf, &buf_lo, &buf_hi);
+ err = lx_buffer_give(chip, 0, is_capture, period_bytes, buf_lo, buf_hi,
+ &buffer_index);
+ snd_printdd(LXP "interrupt: gave buffer index %x on %p (%d bytes)\n",
+ buffer_index, (void *)buf, period_bytes);
+
+ lx_stream->frame_pos = next_pos;
+ spin_unlock_irqrestore(&chip->lock, flags);
+
+ return err;
+}
+
+void lx_tasklet_playback(unsigned long data)
+{
+ struct lx6464es *chip = (struct lx6464es *)data;
+ struct lx_stream *lx_stream = &chip->playback_stream;
+ int err;
+
+ snd_printdd("->lx_tasklet_playback\n");
+
+ err = lx_interrupt_request_new_buffer(chip, lx_stream);
+ if (err < 0)
+ snd_printk(KERN_ERR LXP
+ "cannot request new buffer for playback\n");
+
+ snd_pcm_period_elapsed(lx_stream->stream);
+}
+
+void lx_tasklet_capture(unsigned long data)
+{
+ struct lx6464es *chip = (struct lx6464es *)data;
+ struct lx_stream *lx_stream = &chip->capture_stream;
+ int err;
+
+ snd_printdd("->lx_tasklet_capture\n");
+ err = lx_interrupt_request_new_buffer(chip, lx_stream);
+ if (err < 0)
+ snd_printk(KERN_ERR LXP
+ "cannot request new buffer for capture\n");
+
+ snd_pcm_period_elapsed(lx_stream->stream);
+}
+
+
+
+static int lx_interrupt_handle_audio_transfer(struct lx6464es *chip,
+ u64 notified_in_pipe_mask,
+ u64 notified_out_pipe_mask)
+{
+ int err = 0;
+
+ if (notified_in_pipe_mask) {
+ snd_printdd(LXP "requesting audio transfer for capture\n");
+ tasklet_hi_schedule(&chip->tasklet_capture);
+ }
+
+ if (notified_out_pipe_mask) {
+ snd_printdd(LXP "requesting audio transfer for playback\n");
+ tasklet_hi_schedule(&chip->tasklet_playback);
+ }
+
+ return err;
+}
+
+
+irqreturn_t lx_interrupt(int irq, void *dev_id)
+{
+ struct lx6464es *chip = dev_id;
+ int async_pending, async_escmd;
+ u32 irqsrc;
+
+ spin_lock(&chip->lock);
+
+ snd_printdd("**************************************************\n");
+
+ if (!lx_interrupt_ack(chip, &irqsrc, &async_pending, &async_escmd)) {
+ spin_unlock(&chip->lock);
+ snd_printdd("IRQ_NONE\n");
+ return IRQ_NONE; /* this device did not cause the interrupt */
+ }
+
+ if (irqsrc & MASK_SYS_STATUS_CMD_DONE)
+ goto exit;
+
+#if 0
+ if (irqsrc & MASK_SYS_STATUS_EOBI)
+ snd_printdd(LXP "interrupt: EOBI\n");
+
+ if (irqsrc & MASK_SYS_STATUS_EOBO)
+ snd_printdd(LXP "interrupt: EOBO\n");
+
+ if (irqsrc & MASK_SYS_STATUS_URUN)
+ snd_printdd(LXP "interrupt: URUN\n");
+
+ if (irqsrc & MASK_SYS_STATUS_ORUN)
+ snd_printdd(LXP "interrupt: ORUN\n");
+#endif
+
+ if (async_pending) {
+ u64 notified_in_pipe_mask = 0;
+ u64 notified_out_pipe_mask = 0;
+ int freq_changed;
+ int err;
+
+ /* handle async events */
+ err = lx_interrupt_handle_async_events(chip, irqsrc,
+ &freq_changed,
+ ¬ified_in_pipe_mask,
+ ¬ified_out_pipe_mask);
+ if (err)
+ snd_printk(KERN_ERR LXP
+ "error handling async events\n");
+
+ err = lx_interrupt_handle_audio_transfer(chip,
+ notified_in_pipe_mask,
+ notified_out_pipe_mask
+ );
+ if (err)
+ snd_printk(KERN_ERR LXP
+ "error during audio transfer\n");
+ }
+
+ if (async_escmd) {
+#if 0
+ /* backdoor for ethersound commands
+ *
+ * for now, we do not need this
+ *
+ * */
+
+ snd_printdd("lx6464es: interrupt requests escmd handling\n");
+#endif
+ }
+
+exit:
+ spin_unlock(&chip->lock);
+ return IRQ_HANDLED; /* this device caused the interrupt */
+}
+
+
+static void lx_irq_set(struct lx6464es *chip, int enable)
+{
+ u32 reg = lx_plx_reg_read(chip, ePLX_IRQCS);
+
+ /* enable/disable interrupts
+ *
+ * Set the Doorbell and PCI interrupt enable bits
+ *
+ * */
+ if (enable)
+ reg |= (IRQCS_ENABLE_PCIIRQ | IRQCS_ENABLE_PCIDB);
+ else
+ reg &= ~(IRQCS_ENABLE_PCIIRQ | IRQCS_ENABLE_PCIDB);
+ lx_plx_reg_write(chip, ePLX_IRQCS, reg);
+}
+
+void lx_irq_enable(struct lx6464es *chip)
+{
+ snd_printdd("->lx_irq_enable\n");
+ lx_irq_set(chip, 1);
+}
+
+void lx_irq_disable(struct lx6464es *chip)
+{
+ snd_printdd("->lx_irq_disable\n");
+ lx_irq_set(chip, 0);
+}
--- /dev/null
+/* -*- linux-c -*- *
+ *
+ * ALSA driver for the digigram lx6464es interface
+ * low-level interface
+ *
+ * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef LX_CORE_H
+#define LX_CORE_H
+
+#include <linux/interrupt.h>
+
+#include "lx_defs.h"
+
+#define REG_CRM_NUMBER 12
+
+struct lx6464es;
+
+/* low-level register access */
+
+/* dsp register access */
+enum {
+ eReg_BASE,
+ eReg_CSM,
+ eReg_CRM1,
+ eReg_CRM2,
+ eReg_CRM3,
+ eReg_CRM4,
+ eReg_CRM5,
+ eReg_CRM6,
+ eReg_CRM7,
+ eReg_CRM8,
+ eReg_CRM9,
+ eReg_CRM10,
+ eReg_CRM11,
+ eReg_CRM12,
+
+ eReg_ICR,
+ eReg_CVR,
+ eReg_ISR,
+ eReg_RXHTXH,
+ eReg_RXMTXM,
+ eReg_RHLTXL,
+ eReg_RESETDSP,
+
+ eReg_CSUF,
+ eReg_CSES,
+ eReg_CRESMSB,
+ eReg_CRESLSB,
+ eReg_ADMACESMSB,
+ eReg_ADMACESLSB,
+ eReg_CONFES,
+
+ eMaxPortLx
+};
+
+unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port);
+void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len);
+void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data);
+void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data,
+ u32 len);
+
+/* plx register access */
+enum {
+ ePLX_PCICR,
+
+ ePLX_MBOX0,
+ ePLX_MBOX1,
+ ePLX_MBOX2,
+ ePLX_MBOX3,
+ ePLX_MBOX4,
+ ePLX_MBOX5,
+ ePLX_MBOX6,
+ ePLX_MBOX7,
+
+ ePLX_L2PCIDB,
+ ePLX_IRQCS,
+ ePLX_CHIPSC,
+
+ eMaxPort
+};
+
+unsigned long lx_plx_reg_read(struct lx6464es *chip, int port);
+void lx_plx_reg_write(struct lx6464es *chip, int port, u32 data);
+
+/* rhm */
+struct lx_rmh {
+ u16 cmd_len; /* length of the command to send (WORDs) */
+ u16 stat_len; /* length of the status received (WORDs) */
+ u16 dsp_stat; /* status type, RMP_SSIZE_XXX */
+ u16 cmd_idx; /* index of the command */
+ u32 cmd[REG_CRM_NUMBER];
+ u32 stat[REG_CRM_NUMBER];
+};
+
+
+/* low-level dsp access */
+int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version);
+int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq);
+int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran);
+int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data);
+int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address);
+
+
+/* low-level pipe handling */
+int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture,
+ int channels);
+int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture);
+int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture,
+ u64 *rsample_count);
+int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate);
+int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture);
+int lx_pipe_start(struct lx6464es *chip, u32 pipe, int is_capture);
+int lx_pipe_pause(struct lx6464es *chip, u32 pipe, int is_capture);
+
+int lx_pipe_wait_for_start(struct lx6464es *chip, u32 pipe, int is_capture);
+int lx_pipe_wait_for_idle(struct lx6464es *chip, u32 pipe, int is_capture);
+
+/* low-level stream handling */
+int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime,
+ u32 pipe, int is_capture);
+int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture,
+ int *rstate);
+int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture,
+ u64 *r_bytepos);
+
+int lx_stream_set_state(struct lx6464es *chip, u32 pipe,
+ int is_capture, enum stream_state_t state);
+
+static inline int lx_stream_start(struct lx6464es *chip, u32 pipe,
+ int is_capture)
+{
+ snd_printdd("->lx_stream_start\n");
+ return lx_stream_set_state(chip, pipe, is_capture, SSTATE_RUN);
+}
+
+static inline int lx_stream_pause(struct lx6464es *chip, u32 pipe,
+ int is_capture)
+{
+ snd_printdd("->lx_stream_pause\n");
+ return lx_stream_set_state(chip, pipe, is_capture, SSTATE_PAUSE);
+}
+
+static inline int lx_stream_stop(struct lx6464es *chip, u32 pipe,
+ int is_capture)
+{
+ snd_printdd("->lx_stream_stop\n");
+ return lx_stream_set_state(chip, pipe, is_capture, SSTATE_STOP);
+}
+
+/* low-level buffer handling */
+int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 *r_needed, u32 *r_freed, u32 *size_array);
+int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 buffer_size, u32 buf_address_lo, u32 buf_address_hi,
+ u32 *r_buffer_index);
+int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 *r_buffer_size);
+int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture,
+ u32 buffer_index);
+
+/* low-level gain/peak handling */
+int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute);
+int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels,
+ u32 *r_levels);
+
+
+/* interrupt handling */
+irqreturn_t lx_interrupt(int irq, void *dev_id);
+void lx_irq_enable(struct lx6464es *chip);
+void lx_irq_disable(struct lx6464es *chip);
+
+void lx_tasklet_capture(unsigned long data);
+void lx_tasklet_playback(unsigned long data);
+
+
+/* Stream Format Header Defines (for LIN and IEEE754) */
+#define HEADER_FMT_BASE HEADER_FMT_BASE_LIN
+#define HEADER_FMT_BASE_LIN 0xFED00000
+#define HEADER_FMT_BASE_FLOAT 0xFAD00000
+#define HEADER_FMT_MONO 0x00000080 /* bit 23 in header_lo. WARNING: old
+ * bit 22 is ignored in float
+ * format */
+#define HEADER_FMT_INTEL 0x00008000
+#define HEADER_FMT_16BITS 0x00002000
+#define HEADER_FMT_24BITS 0x00004000
+#define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.
+ * */
+#define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less
+ * then 32k.*/
+
+
+#define BIT_FMP_HEADER 23
+#define BIT_FMP_SD 22
+#define BIT_FMP_MULTICHANNEL 19
+
+#define START_STATE 1
+#define PAUSE_STATE 0
+
+
+
+
+
+/* from PcxAll_e.h */
+/* Start/Pause condition for pipes (PCXStartPipe, PCXPausePipe) */
+#define START_PAUSE_IMMEDIATE 0
+#define START_PAUSE_ON_SYNCHRO 1
+#define START_PAUSE_ON_TIME_CODE 2
+
+
+/* Pipe / Stream state */
+#define START_STATE 1
+#define PAUSE_STATE 0
+
+static inline void unpack_pointer(dma_addr_t ptr, u32 *r_low, u32 *r_high)
+{
+ *r_low = (u32)(ptr & 0xffffffff);
+#if BITS_PER_LONG == 32
+ *r_high = 0;
+#else
+ *r_high = (u32)((u64)ptr>>32);
+#endif
+}
+
+#endif /* LX_CORE_H */
--- /dev/null
+/* -*- linux-c -*- *
+ *
+ * ALSA driver for the digigram lx6464es interface
+ * adapted upstream headers
+ *
+ * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef LX_DEFS_H
+#define LX_DEFS_H
+
+/* code adapted from ethersound.h */
+#define XES_FREQ_COUNT8_MASK 0x00001FFF /* compteur 25MHz entre 8 ech. */
+#define XES_FREQ_COUNT8_44_MIN 0x00001288 /* 25M /
+ * [ 44k - ( 44.1k + 48k ) / 2 ]
+ * * 8 */
+#define XES_FREQ_COUNT8_44_MAX 0x000010F0 /* 25M / [ ( 44.1k + 48k ) / 2 ]
+ * * 8 */
+#define XES_FREQ_COUNT8_48_MAX 0x00000F08 /* 25M /
+ * [ 48k + ( 44.1k + 48k ) / 2 ]
+ * * 8 */
+
+/* code adapted from LXES_registers.h */
+
+#define IOCR_OUTPUTS_OFFSET 0 /* (rw) offset for the number of OUTs in the
+ * ConfES register. */
+#define IOCR_INPUTS_OFFSET 8 /* (rw) offset for the number of INs in the
+ * ConfES register. */
+#define FREQ_RATIO_OFFSET 19 /* (rw) offset for frequency ratio in the
+ * ConfES register. */
+#define FREQ_RATIO_SINGLE_MODE 0x01 /* value for single mode frequency ratio:
+ * sample rate = frequency rate. */
+
+#define CONFES_READ_PART_MASK 0x00070000
+#define CONFES_WRITE_PART_MASK 0x00F80000
+
+/* code adapted from if_drv_mb.h */
+
+#define MASK_SYS_STATUS_ERROR (1L << 31) /* events that lead to a PCI irq if
+ * not yet pending */
+#define MASK_SYS_STATUS_URUN (1L << 30)
+#define MASK_SYS_STATUS_ORUN (1L << 29)
+#define MASK_SYS_STATUS_EOBO (1L << 28)
+#define MASK_SYS_STATUS_EOBI (1L << 27)
+#define MASK_SYS_STATUS_FREQ (1L << 26)
+#define MASK_SYS_STATUS_ESA (1L << 25) /* reserved, this is set by the
+ * XES */
+#define MASK_SYS_STATUS_TIMER (1L << 24)
+
+#define MASK_SYS_ASYNC_EVENTS (MASK_SYS_STATUS_ERROR | \
+ MASK_SYS_STATUS_URUN | \
+ MASK_SYS_STATUS_ORUN | \
+ MASK_SYS_STATUS_EOBO | \
+ MASK_SYS_STATUS_EOBI | \
+ MASK_SYS_STATUS_FREQ | \
+ MASK_SYS_STATUS_ESA)
+
+#define MASK_SYS_PCI_EVENTS (MASK_SYS_ASYNC_EVENTS | \
+ MASK_SYS_STATUS_TIMER)
+
+#define MASK_SYS_TIMER_COUNT 0x0000FFFF
+
+#define MASK_SYS_STATUS_EOT_PLX (1L << 22) /* event that remains
+ * internal: reserved fo end
+ * of plx dma */
+#define MASK_SYS_STATUS_XES (1L << 21) /* event that remains
+ * internal: pending XES
+ * IRQ */
+#define MASK_SYS_STATUS_CMD_DONE (1L << 20) /* alternate command
+ * management: notify driver
+ * instead of polling */
+
+
+#define MAX_STREAM_BUFFER 5 /* max amount of stream buffers. */
+
+#define MICROBLAZE_IBL_MIN 32
+#define MICROBLAZE_IBL_DEFAULT 128
+#define MICROBLAZE_IBL_MAX 512
+/* #define MASK_GRANULARITY (2*MICROBLAZE_IBL_MAX-1) */
+
+
+
+/* command opcodes, see reference for details */
+
+/*
+ the capture bit position in the object_id field in driver commands
+ depends upon the number of managed channels. For now, 64 IN + 64 OUT are
+ supported. HOwever, the communication protocol forsees 1024 channels, hence
+ bit 10 indicates a capture (input) object).
+*/
+#define ID_IS_CAPTURE (1L << 10)
+#define ID_OFFSET 13 /* object ID is at the 13th bit in the
+ * 1st command word.*/
+#define ID_CH_MASK 0x3F
+#define OPCODE_OFFSET 24 /* offset of the command opcode in the first
+ * command word.*/
+
+enum cmd_mb_opcodes {
+ CMD_00_INFO_DEBUG = 0x00,
+ CMD_01_GET_SYS_CFG = 0x01,
+ CMD_02_SET_GRANULARITY = 0x02,
+ CMD_03_SET_TIMER_IRQ = 0x03,
+ CMD_04_GET_EVENT = 0x04,
+ CMD_05_GET_PIPES = 0x05,
+
+ CMD_06_ALLOCATE_PIPE = 0x06,
+ CMD_07_RELEASE_PIPE = 0x07,
+ CMD_08_ASK_BUFFERS = 0x08,
+ CMD_09_STOP_PIPE = 0x09,
+ CMD_0A_GET_PIPE_SPL_COUNT = 0x0a,
+ CMD_0B_TOGGLE_PIPE_STATE = 0x0b,
+
+ CMD_0C_DEF_STREAM = 0x0c,
+ CMD_0D_SET_MUTE = 0x0d,
+ CMD_0E_GET_STREAM_SPL_COUNT = 0x0e,
+ CMD_0F_UPDATE_BUFFER = 0x0f,
+ CMD_10_GET_BUFFER = 0x10,
+ CMD_11_CANCEL_BUFFER = 0x11,
+ CMD_12_GET_PEAK = 0x12,
+ CMD_13_SET_STREAM_STATE = 0x13,
+ CMD_14_INVALID = 0x14,
+};
+
+/* pipe states */
+enum pipe_state_t {
+ PSTATE_IDLE = 0, /* the pipe is not processed in the XES_IRQ
+ * (free or stopped, or paused). */
+ PSTATE_RUN = 1, /* sustained play/record state. */
+ PSTATE_PURGE = 2, /* the ES channels are now off, render pipes do
+ * not DMA, record pipe do a last DMA. */
+ PSTATE_ACQUIRE = 3, /* the ES channels are now on, render pipes do
+ * not yet increase their sample count, record
+ * pipes do not DMA. */
+ PSTATE_CLOSING = 4, /* the pipe is releasing, and may not yet
+ * receive an "alloc" command. */
+};
+
+/* stream states */
+enum stream_state_t {
+ SSTATE_STOP = 0x00, /* setting to stop resets the stream spl
+ * count.*/
+ SSTATE_RUN = (0x01 << 0), /* start DMA and spl count handling. */
+ SSTATE_PAUSE = (0x01 << 1), /* pause DMA and spl count handling. */
+};
+
+/* buffer flags */
+enum buffer_flags {
+ BF_VALID = 0x80, /* set if the buffer is valid, clear if free.*/
+ BF_CURRENT = 0x40, /* set if this is the current buffer (there is
+ * always a current buffer).*/
+ BF_NOTIFY_EOB = 0x20, /* set if this buffer must cause a PCI event
+ * when finished.*/
+ BF_CIRCULAR = 0x10, /* set if buffer[1] must be copied to buffer[0]
+ * by the end of this buffer.*/
+ BF_64BITS_ADR = 0x08, /* set if the hi part of the address is valid.*/
+ BF_xx = 0x04, /* future extension.*/
+ BF_EOB = 0x02, /* set if finished, but not yet free.*/
+ BF_PAUSE = 0x01, /* pause stream at buffer end.*/
+ BF_ZERO = 0x00, /* no flags (init).*/
+};
+
+/**
+* Stream Flags definitions
+*/
+enum stream_flags {
+ SF_ZERO = 0x00000000, /* no flags (stream invalid). */
+ SF_VALID = 0x10000000, /* the stream has a valid DMA_conf
+ * info (setstreamformat). */
+ SF_XRUN = 0x20000000, /* the stream is un x-run state. */
+ SF_START = 0x40000000, /* the DMA is running.*/
+ SF_ASIO = 0x80000000, /* ASIO.*/
+};
+
+
+#define MASK_SPL_COUNT_HI 0x00FFFFFF /* 4 MSBits are status bits */
+#define PSTATE_OFFSET 28 /* 4 MSBits are status bits */
+
+
+#define MASK_STREAM_HAS_MAPPING (1L << 12)
+#define MASK_STREAM_IS_ASIO (1L << 9)
+#define STREAM_FMT_OFFSET 10 /* the stream fmt bits start at the 10th
+ * bit in the command word. */
+
+#define STREAM_FMT_16b 0x02
+#define STREAM_FMT_intel 0x01
+
+#define FREQ_FIELD_OFFSET 15 /* offset of the freq field in the response
+ * word */
+
+#define BUFF_FLAGS_OFFSET 24 /* offset of the buffer flags in the
+ * response word. */
+#define MASK_DATA_SIZE 0x00FFFFFF /* this must match the field size of
+ * datasize in the buffer_t structure. */
+
+#define MASK_BUFFER_ID 0xFF /* the cancel command awaits a buffer ID,
+ * may be 0xFF for "current". */
+
+
+/* code adapted from PcxErr_e.h */
+
+/* Bits masks */
+
+#define ERROR_MASK 0x8000
+
+#define SOURCE_MASK 0x7800
+
+#define E_SOURCE_BOARD 0x4000 /* 8 >> 1 */
+#define E_SOURCE_DRV 0x2000 /* 4 >> 1 */
+#define E_SOURCE_API 0x1000 /* 2 >> 1 */
+/* Error tools */
+#define E_SOURCE_TOOLS 0x0800 /* 1 >> 1 */
+/* Error pcxaudio */
+#define E_SOURCE_AUDIO 0x1800 /* 3 >> 1 */
+/* Error virtual pcx */
+#define E_SOURCE_VPCX 0x2800 /* 5 >> 1 */
+/* Error dispatcher */
+#define E_SOURCE_DISPATCHER 0x3000 /* 6 >> 1 */
+/* Error from CobraNet firmware */
+#define E_SOURCE_COBRANET 0x3800 /* 7 >> 1 */
+
+#define E_SOURCE_USER 0x7800
+
+#define CLASS_MASK 0x0700
+
+#define CODE_MASK 0x00FF
+
+/* Bits values */
+
+/* Values for the error/warning bit */
+#define ERROR_VALUE 0x8000
+#define WARNING_VALUE 0x0000
+
+/* Class values */
+#define E_CLASS_GENERAL 0x0000
+#define E_CLASS_INVALID_CMD 0x0100
+#define E_CLASS_INVALID_STD_OBJECT 0x0200
+#define E_CLASS_RSRC_IMPOSSIBLE 0x0300
+#define E_CLASS_WRONG_CONTEXT 0x0400
+#define E_CLASS_BAD_SPECIFIC_PARAMETER 0x0500
+#define E_CLASS_REAL_TIME_ERROR 0x0600
+#define E_CLASS_DIRECTSHOW 0x0700
+#define E_CLASS_FREE 0x0700
+
+
+/* Complete DRV error code for the general class */
+#define ED_GN (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_GENERAL)
+#define ED_CONCURRENCY (ED_GN | 0x01)
+#define ED_DSP_CRASHED (ED_GN | 0x02)
+#define ED_UNKNOWN_BOARD (ED_GN | 0x03)
+#define ED_NOT_INSTALLED (ED_GN | 0x04)
+#define ED_CANNOT_OPEN_SVC_MANAGER (ED_GN | 0x05)
+#define ED_CANNOT_READ_REGISTRY (ED_GN | 0x06)
+#define ED_DSP_VERSION_MISMATCH (ED_GN | 0x07)
+#define ED_UNAVAILABLE_FEATURE (ED_GN | 0x08)
+#define ED_CANCELLED (ED_GN | 0x09)
+#define ED_NO_RESPONSE_AT_IRQA (ED_GN | 0x10)
+#define ED_INVALID_ADDRESS (ED_GN | 0x11)
+#define ED_DSP_CORRUPTED (ED_GN | 0x12)
+#define ED_PENDING_OPERATION (ED_GN | 0x13)
+#define ED_NET_ALLOCATE_MEMORY_IMPOSSIBLE (ED_GN | 0x14)
+#define ED_NET_REGISTER_ERROR (ED_GN | 0x15)
+#define ED_NET_THREAD_ERROR (ED_GN | 0x16)
+#define ED_NET_OPEN_ERROR (ED_GN | 0x17)
+#define ED_NET_CLOSE_ERROR (ED_GN | 0x18)
+#define ED_NET_NO_MORE_PACKET (ED_GN | 0x19)
+#define ED_NET_NO_MORE_BUFFER (ED_GN | 0x1A)
+#define ED_NET_SEND_ERROR (ED_GN | 0x1B)
+#define ED_NET_RECEIVE_ERROR (ED_GN | 0x1C)
+#define ED_NET_WRONG_MSG_SIZE (ED_GN | 0x1D)
+#define ED_NET_WAIT_ERROR (ED_GN | 0x1E)
+#define ED_NET_EEPROM_ERROR (ED_GN | 0x1F)
+#define ED_INVALID_RS232_COM_NUMBER (ED_GN | 0x20)
+#define ED_INVALID_RS232_INIT (ED_GN | 0x21)
+#define ED_FILE_ERROR (ED_GN | 0x22)
+#define ED_INVALID_GPIO_CMD (ED_GN | 0x23)
+#define ED_RS232_ALREADY_OPENED (ED_GN | 0x24)
+#define ED_RS232_NOT_OPENED (ED_GN | 0x25)
+#define ED_GPIO_ALREADY_OPENED (ED_GN | 0x26)
+#define ED_GPIO_NOT_OPENED (ED_GN | 0x27)
+#define ED_REGISTRY_ERROR (ED_GN | 0x28) /* <- NCX */
+#define ED_INVALID_SERVICE (ED_GN | 0x29) /* <- NCX */
+
+#define ED_READ_FILE_ALREADY_OPENED (ED_GN | 0x2a) /* <- Decalage
+ * pour RCX
+ * (old 0x28)
+ * */
+#define ED_READ_FILE_INVALID_COMMAND (ED_GN | 0x2b) /* ~ */
+#define ED_READ_FILE_INVALID_PARAMETER (ED_GN | 0x2c) /* ~ */
+#define ED_READ_FILE_ALREADY_CLOSED (ED_GN | 0x2d) /* ~ */
+#define ED_READ_FILE_NO_INFORMATION (ED_GN | 0x2e) /* ~ */
+#define ED_READ_FILE_INVALID_HANDLE (ED_GN | 0x2f) /* ~ */
+#define ED_READ_FILE_END_OF_FILE (ED_GN | 0x30) /* ~ */
+#define ED_READ_FILE_ERROR (ED_GN | 0x31) /* ~ */
+
+#define ED_DSP_CRASHED_EXC_DSPSTACK_OVERFLOW (ED_GN | 0x32) /* <- Decalage pour
+ * PCX (old 0x14) */
+#define ED_DSP_CRASHED_EXC_SYSSTACK_OVERFLOW (ED_GN | 0x33) /* ~ */
+#define ED_DSP_CRASHED_EXC_ILLEGAL (ED_GN | 0x34) /* ~ */
+#define ED_DSP_CRASHED_EXC_TIMER_REENTRY (ED_GN | 0x35) /* ~ */
+#define ED_DSP_CRASHED_EXC_FATAL_ERROR (ED_GN | 0x36) /* ~ */
+
+#define ED_FLASH_PCCARD_NOT_PRESENT (ED_GN | 0x37)
+
+#define ED_NO_CURRENT_CLOCK (ED_GN | 0x38)
+
+/* Complete DRV error code for real time class */
+#define ED_RT (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_REAL_TIME_ERROR)
+#define ED_DSP_TIMED_OUT (ED_RT | 0x01)
+#define ED_DSP_CHK_TIMED_OUT (ED_RT | 0x02)
+#define ED_STREAM_OVERRUN (ED_RT | 0x03)
+#define ED_DSP_BUSY (ED_RT | 0x04)
+#define ED_DSP_SEMAPHORE_TIME_OUT (ED_RT | 0x05)
+#define ED_BOARD_TIME_OUT (ED_RT | 0x06)
+#define ED_XILINX_ERROR (ED_RT | 0x07)
+#define ED_COBRANET_ITF_NOT_RESPONDING (ED_RT | 0x08)
+
+/* Complete BOARD error code for the invaid standard object class */
+#define EB_ISO (ERROR_VALUE | E_SOURCE_BOARD | \
+ E_CLASS_INVALID_STD_OBJECT)
+#define EB_INVALID_EFFECT (EB_ISO | 0x00)
+#define EB_INVALID_PIPE (EB_ISO | 0x40)
+#define EB_INVALID_STREAM (EB_ISO | 0x80)
+#define EB_INVALID_AUDIO (EB_ISO | 0xC0)
+
+/* Complete BOARD error code for impossible resource allocation class */
+#define EB_RI (ERROR_VALUE | E_SOURCE_BOARD | E_CLASS_RSRC_IMPOSSIBLE)
+#define EB_ALLOCATE_ALL_STREAM_TRANSFERT_BUFFERS_IMPOSSIBLE (EB_RI | 0x01)
+#define EB_ALLOCATE_PIPE_SAMPLE_BUFFER_IMPOSSIBLE (EB_RI | 0x02)
+
+#define EB_ALLOCATE_MEM_STREAM_IMPOSSIBLE \
+ EB_ALLOCATE_ALL_STREAM_TRANSFERT_BUFFERS_IMPOSSIBLE
+#define EB_ALLOCATE_MEM_PIPE_IMPOSSIBLE \
+ EB_ALLOCATE_PIPE_SAMPLE_BUFFER_IMPOSSIBLE
+
+#define EB_ALLOCATE_DIFFERED_CMD_IMPOSSIBLE (EB_RI | 0x03)
+#define EB_TOO_MANY_DIFFERED_CMD (EB_RI | 0x04)
+#define EB_RBUFFERS_TABLE_OVERFLOW (EB_RI | 0x05)
+#define EB_ALLOCATE_EFFECTS_IMPOSSIBLE (EB_RI | 0x08)
+#define EB_ALLOCATE_EFFECT_POS_IMPOSSIBLE (EB_RI | 0x09)
+#define EB_RBUFFER_NOT_AVAILABLE (EB_RI | 0x0A)
+#define EB_ALLOCATE_CONTEXT_LIII_IMPOSSIBLE (EB_RI | 0x0B)
+#define EB_STATUS_DIALOG_IMPOSSIBLE (EB_RI | 0x1D)
+#define EB_CONTROL_CMD_IMPOSSIBLE (EB_RI | 0x1E)
+#define EB_STATUS_SEND_IMPOSSIBLE (EB_RI | 0x1F)
+#define EB_ALLOCATE_PIPE_IMPOSSIBLE (EB_RI | 0x40)
+#define EB_ALLOCATE_STREAM_IMPOSSIBLE (EB_RI | 0x80)
+#define EB_ALLOCATE_AUDIO_IMPOSSIBLE (EB_RI | 0xC0)
+
+/* Complete BOARD error code for wrong call context class */
+#define EB_WCC (ERROR_VALUE | E_SOURCE_BOARD | E_CLASS_WRONG_CONTEXT)
+#define EB_CMD_REFUSED (EB_WCC | 0x00)
+#define EB_START_STREAM_REFUSED (EB_WCC | 0xFC)
+#define EB_SPC_REFUSED (EB_WCC | 0xFD)
+#define EB_CSN_REFUSED (EB_WCC | 0xFE)
+#define EB_CSE_REFUSED (EB_WCC | 0xFF)
+
+
+
+
+#endif /* LX_DEFS_H */
git.openpandora.org / pandora-kernel.git / commitdiff