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Diffstat (limited to 'sound/pci/aw2/aw2-saa7146.h')
-rw-r--r--sound/pci/aw2/aw2-saa7146.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/sound/pci/aw2/aw2-saa7146.h b/sound/pci/aw2/aw2-saa7146.h
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+++ b/sound/pci/aw2/aw2-saa7146.h
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+/*****************************************************************************
+ *
+ * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
+ * Jean-Christian Hassler <jhassler@free.fr>
+ *
+ * This file is part of the Audiowerk2 ALSA driver
+ *
+ * The Audiowerk2 ALSA driver 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; version 2.
+ *
+ * The Audiowerk2 ALSA driver 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 the Audiowerk2 ALSA driver; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ *
+ *****************************************************************************/
+
+#ifndef AW2_SAA7146_H
+#define AW2_SAA7146_H
+
+#define NB_STREAM_PLAYBACK 2
+#define NB_STREAM_CAPTURE 1
+
+#define NUM_STREAM_PLAYBACK_ANA 0
+#define NUM_STREAM_PLAYBACK_DIG 1
+
+#define NUM_STREAM_CAPTURE_ANA 0
+
+typedef void (*snd_aw2_saa7146_it_cb) (void *);
+
+struct snd_aw2_saa7146_cb_param {
+ snd_aw2_saa7146_it_cb p_it_callback;
+ void *p_callback_param;
+};
+
+/* definition of the chip-specific record */
+
+struct snd_aw2_saa7146 {
+ void __iomem *base_addr;
+};
+
+extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
+ void __iomem *pci_base_addr);
+extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
+
+extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
+ int stream_number,
+ unsigned long dma_addr,
+ unsigned long period_size,
+ unsigned long buffer_size);
+extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
+ int stream_number,
+ unsigned long dma_addr,
+ unsigned long period_size,
+ unsigned long buffer_size);
+extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
+ stream_number,
+ snd_aw2_saa7146_it_cb
+ p_it_callback,
+ void *p_callback_param);
+extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
+ stream_number,
+ snd_aw2_saa7146_it_cb
+ p_it_callback,
+ void *p_callback_param);
+extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
+ *chip, int stream_number);
+extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
+ *chip, int stream_number);
+
+extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
+ *chip,
+ int stream_number);
+extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
+ *chip, int stream_number);
+
+extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
+extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
+ *chip,
+ int stream_number,
+ unsigned char
+ *start_addr,
+ unsigned int
+ buffer_size);
+extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
+ *chip,
+ int stream_number,
+ unsigned char
+ *start_addr,
+ unsigned int
+ buffer_size);
+
+extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
+ int use_digital);
+
+extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
+ *chip);
+
+#endif