// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Francisco Moraes <[email protected]> * Driver EMU10K1X chips * * Parts of this code were adapted from audigyls.c driver which is * Copyright (c) by James Courtier-Dutton <[email protected]> * * BUGS: * -- * * TODO: * * Chips (SB0200 model): * - EMU10K1X-DBQ * - STAC 9708T */ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/slab.h> #include <linux/module.h> #include <sound/core.h> #include <sound/initval.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> #include <sound/info.h> #include <sound/rawmidi.h> MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; // module parameters (see "Module Parameters") static int index[SNDRV_CARDS] = …; static char *id[SNDRV_CARDS] = …; static bool enable[SNDRV_CARDS] = …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; // some definitions were borrowed from emu10k1 driver as they seem to be the same /************************************************************************************************/ /* PCI function 0 registers, address = <val> + PCIBASE0 */ /************************************************************************************************/ #define PTR … /* NOTE: The CHANNELNUM and ADDRESS words can */ /* be modified independently of each other. */ #define DATA … #define IPR … /* Clear pending interrupts by writing a 1 to */ /* the relevant bits and zero to the other bits */ #define IPR_MIDITRANSBUFEMPTY … #define IPR_MIDIRECVBUFEMPTY … #define IPR_CH_0_LOOP … #define IPR_CH_0_HALF_LOOP … #define IPR_CAP_0_LOOP … #define IPR_CAP_0_HALF_LOOP … #define INTE … #define INTE_MIDITXENABLE … #define INTE_MIDIRXENABLE … #define INTE_CH_0_LOOP … #define INTE_CH_0_HALF_LOOP … #define INTE_CAP_0_LOOP … #define INTE_CAP_0_HALF_LOOP … #define HCFG … #define HCFG_LOCKSOUNDCACHE … /* NOTE: This should generally never be used. */ #define HCFG_AUDIOENABLE … /* Should be set to 1 when the EMU10K1 is */ /* completely initialized. */ #define GPIO … #define AC97DATA … #define AC97ADDRESS … /********************************************************************************************************/ /* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */ /********************************************************************************************************/ #define PLAYBACK_LIST_ADDR … /* One list entry: 4 bytes for DMA address, * 4 bytes for period_size << 16. * One list entry is 8 bytes long. * One list entry for each period in the buffer. */ #define PLAYBACK_LIST_SIZE … #define PLAYBACK_LIST_PTR … #define PLAYBACK_DMA_ADDR … #define PLAYBACK_PERIOD_SIZE … #define PLAYBACK_POINTER … #define PLAYBACK_UNKNOWN1 … #define PLAYBACK_UNKNOWN2 … /* Only one capture channel supported */ #define CAPTURE_DMA_ADDR … #define CAPTURE_BUFFER_SIZE … #define CAPTURE_POINTER … #define CAPTURE_UNKNOWN … /* From 0x20 - 0x3f, last samples played on each channel */ #define TRIGGER_CHANNEL … #define TRIGGER_CHANNEL_0 … #define TRIGGER_CHANNEL_1 … #define TRIGGER_CHANNEL_2 … #define TRIGGER_CAPTURE … #define ROUTING … #define ROUTING_FRONT_LEFT … #define ROUTING_FRONT_RIGHT … #define ROUTING_REAR_LEFT … #define ROUTING_REAR_RIGHT … #define ROUTING_CENTER_LFE … #define SPCS0 … #define SPCS1 … #define SPCS2 … #define SPCS_CLKACCYMASK … #define SPCS_CLKACCY_1000PPM … #define SPCS_CLKACCY_50PPM … #define SPCS_CLKACCY_VARIABLE … #define SPCS_SAMPLERATEMASK … #define SPCS_SAMPLERATE_44 … #define SPCS_SAMPLERATE_48 … #define SPCS_SAMPLERATE_32 … #define SPCS_CHANNELNUMMASK … #define SPCS_CHANNELNUM_UNSPEC … #define SPCS_CHANNELNUM_LEFT … #define SPCS_CHANNELNUM_RIGHT … #define SPCS_SOURCENUMMASK … #define SPCS_SOURCENUM_UNSPEC … #define SPCS_GENERATIONSTATUS … #define SPCS_CATEGORYCODEMASK … #define SPCS_MODEMASK … #define SPCS_EMPHASISMASK … #define SPCS_EMPHASIS_NONE … #define SPCS_EMPHASIS_50_15 … #define SPCS_COPYRIGHT … #define SPCS_NOTAUDIODATA … #define SPCS_PROFESSIONAL … #define SPDIF_SELECT … /* This is the MPU port on the card */ #define MUDATA … #define MUCMD … #define MUSTAT … /* From 0x50 - 0x5f, last samples captured */ /* * The hardware has 3 channels for playback and 1 for capture. * - channel 0 is the front channel * - channel 1 is the rear channel * - channel 2 is the center/lfe channel * Volume is controlled by the AC97 for the front and rear channels by * the PCM Playback Volume, Sigmatel Surround Playback Volume and * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects * the front/rear channel mixing in the REAR OUT jack. When using the * 4-Speaker Stereo, both front and rear channels will be mixed in the * REAR OUT. * The center/lfe channel has no volume control and cannot be muted during * playback. */ struct emu10k1x_voice { … }; struct emu10k1x_pcm { … }; struct emu10k1x_midi { … }; // definition of the chip-specific record struct emu10k1x { … }; /* hardware definition */ static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = …; static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = …; static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu, unsigned int reg, unsigned int chn) { … } static void snd_emu10k1x_ptr_write(struct emu10k1x *emu, unsigned int reg, unsigned int chn, unsigned int data) { … } static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb) { … } static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb) { … } static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value) { … } static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime) { … } static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice) { … } /* open callback */ static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream) { … } /* close callback */ static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream) { … } /* hw_params callback */ static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } /* hw_free callback */ static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream) { … } /* prepare callback */ static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream) { … } /* trigger callback */ static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { … } /* pointer callback */ static snd_pcm_uframes_t snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream) { … } /* operators */ static const struct snd_pcm_ops snd_emu10k1x_playback_ops = …; /* open_capture callback */ static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream) { … } /* close callback */ static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream) { … } /* hw_params callback */ static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } /* hw_free callback */ static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream) { … } /* prepare capture callback */ static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream) { … } /* trigger_capture callback */ static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream, int cmd) { … } /* pointer_capture callback */ static snd_pcm_uframes_t snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream) { … } static const struct snd_pcm_ops snd_emu10k1x_capture_ops = …; static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97, unsigned short reg) { … } static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { … } static int snd_emu10k1x_ac97(struct emu10k1x *chip) { … } static void snd_emu10k1x_free(struct snd_card *card) { … } static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id) { … } static const struct snd_pcm_chmap_elem surround_map[] = …; static const struct snd_pcm_chmap_elem clfe_map[] = …; static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device) { … } static int snd_emu10k1x_create(struct snd_card *card, struct pci_dev *pci) { … } static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static int snd_emu10k1x_proc_init(struct emu10k1x *emu) { … } #define snd_emu10k1x_shared_spdif_info … static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif = …; static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control = …; static const struct snd_kcontrol_new snd_emu10k1x_spdif_control = …; static int snd_emu10k1x_mixer(struct emu10k1x *emu) { … } #define EMU10K1X_MIDI_MODE_INPUT … #define EMU10K1X_MIDI_MODE_OUTPUT … static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) { … } static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx) { … } #define mpu401_write_data(emu, mpu, data) … #define mpu401_write_cmd(emu, mpu, data) … #define mpu401_read_data(emu, mpu) … #define mpu401_read_stat(emu, mpu) … #define mpu401_input_avail(emu,mpu) … #define mpu401_output_ready(emu,mpu) … #define MPU401_RESET … #define MPU401_ENTER_UART … #define MPU401_ACK … static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu) { … } /* */ static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu, struct emu10k1x_midi *midi, unsigned int status) { … } static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status) { … } static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu, struct emu10k1x_midi *midi, unsigned char cmd, int ack) { … } static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) { … } static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream) { … } static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream) { … } static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream) { … } static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) { … } static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) { … } /* */ static const struct snd_rawmidi_ops snd_emu10k1x_midi_output = …; static const struct snd_rawmidi_ops snd_emu10k1x_midi_input = …; static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi) { … } static int emu10k1x_midi_init(struct emu10k1x *emu, struct emu10k1x_midi *midi, int device, char *name) { … } static int snd_emu10k1x_midi(struct emu10k1x *emu) { … } static int __snd_emu10k1x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } static int snd_emu10k1x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } // PCI IDs static const struct pci_device_id snd_emu10k1x_ids[] = …; MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); // pci_driver definition static struct pci_driver emu10k1x_driver = …; module_pci_driver(…) …;
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