aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/ctxfi/ctatc.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/ctxfi/ctatc.h')
-rw-r--r--sound/pci/ctxfi/ctatc.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctatc.h b/sound/pci/ctxfi/ctatc.h
new file mode 100644
index 00000000000..286c993d461
--- /dev/null
+++ b/sound/pci/ctxfi/ctatc.h
@@ -0,0 +1,155 @@
+/**
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * This source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ * @File ctatc.h
+ *
+ * @Brief
+ * This file contains the definition of the device resource management object.
+ *
+ * @Author Liu Chun
+ * @Date Mar 28 2008
+ *
+ */
+
+#ifndef CTATC_H
+#define CTATC_H
+
+#include <linux/types.h>
+#include <linux/spinlock_types.h>
+#include <linux/pci.h>
+#include <linux/timer.h>
+#include <sound/core.h>
+
+#include "ctvmem.h"
+#include "ctresource.h"
+
+enum CTALSADEVS { /* Types of alsa devices */
+ FRONT,
+ REAR,
+ CLFE,
+ SURROUND,
+ IEC958,
+ MIXER,
+ NUM_CTALSADEVS /* This should always be the last */
+};
+
+enum CTCARDS {
+ CTSB0760,
+ CTHENDRIX,
+ CTSB08801,
+ CTSB08802,
+ CTSB08803,
+ NUM_CTCARDS /* This should always be the last */
+};
+
+struct ct_atc_chip_sub_details {
+ u16 subsys;
+ const char *nm_model;
+};
+
+struct ct_atc_chip_details {
+ u16 vendor;
+ u16 device;
+ const struct ct_atc_chip_sub_details *sub_details;
+ const char *nm_card;
+};
+
+struct ct_atc;
+
+/* alsa pcm stream descriptor */
+struct ct_atc_pcm {
+ struct snd_pcm_substream *substream;
+ void (*interrupt)(struct ct_atc_pcm *apcm);
+ unsigned int started:1;
+ unsigned int stop_timer:1;
+ struct timer_list timer;
+ spinlock_t timer_lock;
+ unsigned int position;
+
+ /* Only mono and interleaved modes are supported now. */
+ struct ct_vm_block *vm_block;
+ void *src; /* SRC for interacting with host memory */
+ void **srccs; /* SRCs for sample rate conversion */
+ void **srcimps; /* SRC Input Mappers */
+ void **amixers; /* AMIXERs for routing converted data */
+ void *mono; /* A SUM resource for mixing chs to one */
+ unsigned char n_srcc; /* Number of converting SRCs */
+ unsigned char n_srcimp; /* Number of SRC Input Mappers */
+ unsigned char n_amixer; /* Number of AMIXERs */
+};
+
+/* Chip resource management object */
+struct ct_atc {
+ struct pci_dev *pci;
+ struct snd_card *card;
+ unsigned int rsr; /* reference sample rate in Hz */
+ unsigned int msr; /* master sample rate in rsr */
+ unsigned int pll_rate; /* current rate of Phase Lock Loop */
+
+ const struct ct_atc_chip_details *chip_details;
+ enum CTCARDS model;
+ /* Create all alsa devices */
+ int (*create_alsa_devs)(struct ct_atc *atc);
+
+ struct ct_vm *vm; /* device virtual memory manager for this card */
+ int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
+
+ spinlock_t atc_lock;
+ spinlock_t vm_lock;
+
+ int (*pcm_playback_prepare)(struct ct_atc *atc,
+ struct ct_atc_pcm *apcm);
+ int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ int (*pcm_playback_position)(struct ct_atc *atc,
+ struct ct_atc_pcm *apcm);
+ int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
+ struct ct_atc_pcm *apcm);
+ int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+ int (*pcm_capture_position)(struct ct_atc *atc,
+ struct ct_atc_pcm *apcm);
+ int (*pcm_release_resources)(struct ct_atc *atc,
+ struct ct_atc_pcm *apcm);
+ int (*select_line_in)(struct ct_atc *atc);
+ int (*select_mic_in)(struct ct_atc *atc);
+ int (*select_digit_io)(struct ct_atc *atc);
+ int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
+ int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
+ int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
+ int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
+ int (*have_digit_io_switch)(struct ct_atc *atc);
+
+ /* Don't touch! Used for internal object. */
+ void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
+ void *mixer; /* internal mixer object */
+ void *hw; /* chip specific hardware access object */
+ void **daios; /* digital audio io resources */
+ void **pcm; /* SUMs for collecting all pcm stream */
+ void **srcs; /* Sample Rate Converters for input signal */
+ void **srcimps; /* input mappers for SRCs */
+ unsigned char n_daio;
+ unsigned char n_src;
+ unsigned char n_srcimp;
+ unsigned char n_pcm;
+};
+
+
+int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
+ unsigned int rsr, unsigned int msr,
+ struct ct_atc **ratc);
+
+#endif /* CTATC_H */