// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for Digigram pcxhr compatible soundcards * * main file with alsa callbacks * * Copyright (c) 2004 by Digigram <[email protected]> */ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/delay.h> #include <linux/module.h> #include <linux/mutex.h> #include <sound/core.h> #include <sound/initval.h> #include <sound/info.h> #include <sound/control.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include "pcxhr.h" #include "pcxhr_mixer.h" #include "pcxhr_hwdep.h" #include "pcxhr_core.h" #include "pcxhr_mix22.h" #define DRIVER_NAME … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static int index[SNDRV_CARDS] = …; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = …; /* ID for this card */ static bool enable[SNDRV_CARDS] = …;/* Enable this card */ static bool mono[SNDRV_CARDS]; /* capture mono only */ module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; enum { … }; static const struct pci_device_id pcxhr_ids[] = …; MODULE_DEVICE_TABLE(pci, pcxhr_ids); struct board_parameters { … }; static const struct board_parameters pcxhr_board_params[] = …; /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */ /* VX222HR, VX222e, PCX22HR and PCX22e */ #define PCXHR_BOARD_HAS_AES1(x) … /* some boards do not support 192kHz on digital AES input plugs */ #define PCXHR_BOARD_AESIN_NO_192K(x) … static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg, unsigned int* realfreq) { … } #define PCXHR_FREQ_REG_MASK … #define PCXHR_FREQ_QUARTZ_48000 … #define PCXHR_FREQ_QUARTZ_24000 … #define PCXHR_FREQ_QUARTZ_12000 … #define PCXHR_FREQ_QUARTZ_32000 … #define PCXHR_FREQ_QUARTZ_16000 … #define PCXHR_FREQ_QUARTZ_8000 … #define PCXHR_FREQ_QUARTZ_44100 … #define PCXHR_FREQ_QUARTZ_22050 … #define PCXHR_FREQ_QUARTZ_11025 … #define PCXHR_FREQ_PLL … #define PCXHR_FREQ_QUARTZ_192000 … #define PCXHR_FREQ_QUARTZ_96000 … #define PCXHR_FREQ_QUARTZ_176400 … #define PCXHR_FREQ_QUARTZ_88200 … #define PCXHR_FREQ_QUARTZ_128000 … #define PCXHR_FREQ_QUARTZ_64000 … #define PCXHR_FREQ_WORD_CLOCK … #define PCXHR_FREQ_SYNC_AES … #define PCXHR_FREQ_AES_1 … #define PCXHR_FREQ_AES_2 … #define PCXHR_FREQ_AES_3 … #define PCXHR_FREQ_AES_4 … static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate, unsigned int *reg, unsigned int *freq) { … } static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate, int *changed) { … } #define PCXHR_MODIFY_CLOCK_S_BIT … #define PCXHR_IRQ_TIMER_FREQ … #define PCXHR_IRQ_TIMER_PERIOD … int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate) { … } static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type, int *sample_rate) { … } int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type, int *sample_rate) { … } /* * start or stop playback/capture substream */ static int pcxhr_set_stream_state(struct snd_pcxhr *chip, struct pcxhr_stream *stream) { … } #define HEADER_FMT_BASE_LIN … #define HEADER_FMT_BASE_FLOAT … #define HEADER_FMT_INTEL … #define HEADER_FMT_24BITS … #define HEADER_FMT_16BITS … #define HEADER_FMT_UPTO11 … #define HEADER_FMT_UPTO32 … #define HEADER_FMT_MONO … static int pcxhr_set_format(struct pcxhr_stream *stream) { … } static int pcxhr_update_r_buffer(struct pcxhr_stream *stream) { … } #if 0 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, snd_pcm_uframes_t *sample_count) { struct pcxhr_rmh rmh; int err; pcxhr_t *chip = snd_pcm_substream_chip(stream->substream); pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT); pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0, 1<<stream->pipe->first_audio); err = pcxhr_send_msg(chip->mgr, &rmh); if (err == 0) { *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24; *sample_count += (snd_pcm_uframes_t)rmh.stat[1]; } dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count); return err; } #endif static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream, struct pcxhr_pipe **pipe) { … } static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr) { … } /* * trigger callback */ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) { … } static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start) { … } /* * prepare callback for all pcms */ static int pcxhr_prepare(struct snd_pcm_substream *subs) { … } /* * HW_PARAMS callback for all pcms */ static int pcxhr_hw_params(struct snd_pcm_substream *subs, struct snd_pcm_hw_params *hw) { … } /* * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max */ static const struct snd_pcm_hardware pcxhr_caps = …; static int pcxhr_open(struct snd_pcm_substream *subs) { … } static int pcxhr_close(struct snd_pcm_substream *subs) { … } static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs) { … } static const struct snd_pcm_ops pcxhr_ops = …; /* */ int pcxhr_create_pcm(struct snd_pcxhr *chip) { … } static int pcxhr_chip_free(struct snd_pcxhr *chip) { … } static int pcxhr_chip_dev_free(struct snd_device *device) { … } /* */ static int pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card, int idx) { … } /* proc interface */ static void pcxhr_proc_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static void pcxhr_proc_sync(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static void pcxhr_proc_gpio_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static void pcxhr_proc_gpo_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } /* Access to the results of the CMD_GET_TIME_CODE RMH */ #define TIME_CODE_VALID_MASK … #define TIME_CODE_NEW_MASK … #define TIME_CODE_BACK_MASK … #define TIME_CODE_WAIT_MASK … /* Values for the CMD_MANAGE_SIGNAL RMH */ #define MANAGE_SIGNAL_TIME_CODE … #define MANAGE_SIGNAL_MIDI … /* linear time code read proc*/ static void pcxhr_proc_ltc(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static void pcxhr_proc_init(struct snd_pcxhr *chip) { … } /* end of proc interface */ /* * release all the cards assigned to a manager instance */ static int pcxhr_free(struct pcxhr_mgr *mgr) { … } /* * probe function - creates the card manager */ static int pcxhr_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } static void pcxhr_remove(struct pci_dev *pci) { … } static struct pci_driver pcxhr_driver = …; module_pci_driver(…) …;
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