// SPDX-License-Identifier: GPL-2.0-or-later /* * Matt Wu <[email protected]> * Apr 26, 2001 * Routines for control of ALi pci audio M5451 * * BUGS: * -- * * TODO: * -- */ #include <linux/io.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/dma-mapping.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/info.h> #include <sound/ac97_codec.h> #include <sound/mpu401.h> #include <sound/initval.h> MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static int index = …; /* Index */ static char *id = …; /* ID for this card */ static int pcm_channels = …; static bool spdif; module_param(index, int, 0444); MODULE_PARM_DESC(…) …; module_param(id, charp, 0444); MODULE_PARM_DESC(…) …; module_param(pcm_channels, int, 0444); MODULE_PARM_DESC(…) …; module_param(spdif, bool, 0444); MODULE_PARM_DESC(…) …; /* just for backward compatibility */ static bool enable; module_param(enable, bool, 0444); /* * Constants definition */ #define DEVICE_ID_ALI5451 … #define ALI_CHANNELS … #define ALI_PCM_IN_CHANNEL … #define ALI_SPDIF_IN_CHANNEL … #define ALI_SPDIF_OUT_CHANNEL … #define ALI_CENTER_CHANNEL … #define ALI_LEF_CHANNEL … #define ALI_SURR_LEFT_CHANNEL … #define ALI_SURR_RIGHT_CHANNEL … #define ALI_MODEM_IN_CHANNEL … #define ALI_MODEM_OUT_CHANNEL … #define SNDRV_ALI_VOICE_TYPE_PCM … #define SNDRV_ALI_VOICE_TYPE_OTH … #define ALI_5451_V02 … /* * Direct Registers */ #define ALI_LEGACY_DMAR0 … #define ALI_LEGACY_DMAR4 … #define ALI_LEGACY_DMAR11 … #define ALI_LEGACY_DMAR15 … #define ALI_MPUR0 … #define ALI_MPUR1 … #define ALI_MPUR2 … #define ALI_MPUR3 … #define ALI_AC97_WRITE … #define ALI_AC97_READ … #define ALI_SCTRL … #define ALI_SPDIF_OUT_ENABLE … #define ALI_SCTRL_LINE_IN2 … #define ALI_SCTRL_GPIO_IN2 … #define ALI_SCTRL_LINE_OUT_EN … #define ALI_SCTRL_GPIO_OUT_EN … #define ALI_SCTRL_CODEC1_READY … #define ALI_SCTRL_CODEC2_READY … #define ALI_AC97_GPIO … #define ALI_AC97_GPIO_ENABLE … #define ALI_AC97_GPIO_DATA_SHIFT … #define ALI_SPDIF_CS … #define ALI_SPDIF_CTRL … #define ALI_SPDIF_IN_FUNC_ENABLE … #define ALI_SPDIF_IN_CH_STATUS … #define ALI_SPDIF_OUT_CH_STATUS … #define ALI_START … #define ALI_STOP … #define ALI_CSPF … #define ALI_AINT … #define ALI_GC_CIR … #define ENDLP_IE … #define MIDLP_IE … #define ALI_AINTEN … #define ALI_VOLUME … #define ALI_SBDELTA_DELTA_R … #define ALI_MISCINT … #define ADDRESS_IRQ … #define TARGET_REACHED … #define MIXER_OVERFLOW … #define MIXER_UNDERFLOW … #define GPIO_IRQ … #define ALI_SBBL_SBCL … #define ALI_SBCTRL_SBE2R_SBDD … #define ALI_STIMER … #define ALI_GLOBAL_CONTROL … #define ALI_SPDIF_OUT_SEL_PCM … #define ALI_SPDIF_IN_SUPPORT … #define ALI_SPDIF_OUT_CH_ENABLE … #define ALI_SPDIF_IN_CH_ENABLE … #define ALI_PCM_IN_ENABLE … #define ALI_CSO_ALPHA_FMS … #define ALI_LBA … #define ALI_ESO_DELTA … #define ALI_GVSEL_PAN_VOC_CTRL_EC … #define ALI_EBUF1 … #define ALI_EBUF2 … #define ALI_REG(codec, x) … #define MAX_CODECS … struct snd_ali; struct snd_ali_voice; struct snd_ali_channel_control { … }; struct snd_ali_voice { … }; struct snd_alidev { … }; #define ALI_GLOBAL_REGS … #define ALI_CHANNEL_REGS … struct snd_ali_image { … }; struct snd_ali { … }; static const struct pci_device_id snd_ali_ids[] = …; MODULE_DEVICE_TABLE(pci, snd_ali_ids); static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, unsigned short); /* * AC97 ACCESS */ static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, unsigned int port) { … } static inline void snd_ali_5451_poke(struct snd_ali *codec, unsigned int port, unsigned int val) { … } static int snd_ali_codec_ready(struct snd_ali *codec, unsigned int port) { … } static int snd_ali_stimer_ready(struct snd_ali *codec) { … } static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, unsigned short reg, unsigned short val) { … } static unsigned short snd_ali_codec_peek(struct snd_ali *codec, int secondary, unsigned short reg) { … } static void snd_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val ) { … } static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg) { … } /* * AC97 Reset */ static int snd_ali_reset_5451(struct snd_ali *codec) { … } /* * ALI 5451 Controller */ static void snd_ali_enable_special_channel(struct snd_ali *codec, unsigned int channel) { … } static void snd_ali_disable_special_channel(struct snd_ali *codec, unsigned int channel) { … } static void snd_ali_enable_address_interrupt(struct snd_ali *codec) { … } static void snd_ali_disable_address_interrupt(struct snd_ali *codec) { … } static void snd_ali_disable_voice_irq(struct snd_ali *codec, unsigned int channel) { … } static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) { … } static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) { … } static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) { … } static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) { … } /* * S/PDIF Part */ static void snd_ali_delay(struct snd_ali *codec,int interval) { … } static void snd_ali_detect_spdif_rate(struct snd_ali *codec) { … } static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) { … } static void snd_ali_enable_spdif_in(struct snd_ali *codec) { … } static void snd_ali_disable_spdif_in(struct snd_ali *codec) { … } static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) { … } static void snd_ali_enable_spdif_out(struct snd_ali *codec) { … } static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) { … } static void snd_ali_disable_spdif_chnout(struct snd_ali *codec) { … } static void snd_ali_disable_spdif_out(struct snd_ali *codec) { … } static void snd_ali_update_ptr(struct snd_ali *codec, int channel) { … } static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id) { … } static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, int type, int rec, int channel) { … } static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvoice) { … } static void snd_ali_clear_voices(struct snd_ali *codec, unsigned int v_min, unsigned int v_max) { … } static void snd_ali_write_voice_regs(struct snd_ali *codec, unsigned int Channel, unsigned int LBA, unsigned int CSO, unsigned int ESO, unsigned int DELTA, unsigned int ALPHA_FMS, unsigned int GVSEL, unsigned int PAN, unsigned int VOL, unsigned int CTRL, unsigned int EC) { … } static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) { … } static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) { … } /* * PCM part */ static int snd_ali_trigger(struct snd_pcm_substream *substream, int cmd) { … } static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) { … } static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) { … } static int snd_ali_prepare(struct snd_pcm_substream *substream) { … } static snd_pcm_uframes_t snd_ali_playback_pointer(struct snd_pcm_substream *substream) { … } static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) { … } static const struct snd_pcm_hardware snd_ali_playback = …; /* * Capture support device description */ static const struct snd_pcm_hardware snd_ali_capture = …; static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) { … } static int snd_ali_open(struct snd_pcm_substream *substream, int rec, int channel, const struct snd_pcm_hardware *phw) { … } static int snd_ali_playback_open(struct snd_pcm_substream *substream) { … } static int snd_ali_capture_open(struct snd_pcm_substream *substream) { … } static int snd_ali_playback_close(struct snd_pcm_substream *substream) { … } static int snd_ali_close(struct snd_pcm_substream *substream) { … } static const struct snd_pcm_ops snd_ali_playback_ops = …; static const struct snd_pcm_ops snd_ali_capture_ops = …; /* * Modem PCM */ static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } static const struct snd_pcm_hardware snd_ali_modem = …; static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, int channel) { … } static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) { … } static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) { … } static const struct snd_pcm_ops snd_ali_modem_playback_ops = …; static const struct snd_pcm_ops snd_ali_modem_capture_ops = …; struct ali_pcm_description { … }; static void snd_ali_pcm_free(struct snd_pcm *pcm) { … } static int snd_ali_pcm(struct snd_ali *codec, int device, struct ali_pcm_description *desc) { … } static struct ali_pcm_description ali_pcms[] = …; static int snd_ali_build_pcms(struct snd_ali *codec) { … } #define ALI5451_SPDIF(xname, xindex, value) … #define snd_ali5451_spdif_info … static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = …; static int snd_ali_mixer(struct snd_ali *codec) { … } static int ali_suspend(struct device *dev) { … } static int ali_resume(struct device *dev) { … } static DEFINE_SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume); static void snd_ali_free(struct snd_card *card) { … } static int snd_ali_chip_init(struct snd_ali *codec) { … } /* proc for register dump */ static void snd_ali_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buf) { … } static void snd_ali_proc_init(struct snd_ali *codec) { … } static int snd_ali_resources(struct snd_ali *codec) { … } static int snd_ali_create(struct snd_card *card, struct pci_dev *pci, int pcm_streams, int spdif_support) { … } static int __snd_ali_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } static int snd_ali_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } static struct pci_driver ali5451_driver = …; module_pci_driver(…) …;
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