// SPDX-License-Identifier: GPL-2.0-or-later /* * The driver for the ForteMedia FM801 based soundcards * Copyright (c) by Jaroslav Kysela <[email protected]> */ #include <linux/delay.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/tlv.h> #include <sound/ac97_codec.h> #include <sound/mpu401.h> #include <sound/opl3.h> #include <sound/initval.h> #ifdef CONFIG_SND_FM801_TEA575X_BOOL #include <media/drv-intf/tea575x.h> #endif 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 */ /* * Enable TEA575x tuner * 1 = MediaForte 256-PCS * 2 = MediaForte 256-PCP * 3 = MediaForte 64-PCR * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card * High 16-bits are video (radio) device number + 1 */ static int tea575x_tuner[SNDRV_CARDS]; static int radio_nr[SNDRV_CARDS] = …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; module_param_array(…); MODULE_PARM_DESC(…) …; #define TUNER_DISABLED … #define TUNER_ONLY … #define TUNER_TYPE_MASK … /* * Direct registers */ #define fm801_writew(chip,reg,value) … #define fm801_readw(chip,reg) … #define fm801_writel(chip,reg,value) … #define FM801_PCM_VOL … #define FM801_FM_VOL … #define FM801_I2S_VOL … #define FM801_REC_SRC … #define FM801_PLY_CTRL … #define FM801_PLY_COUNT … #define FM801_PLY_BUF1 … #define FM801_PLY_BUF2 … #define FM801_CAP_CTRL … #define FM801_CAP_COUNT … #define FM801_CAP_BUF1 … #define FM801_CAP_BUF2 … #define FM801_CODEC_CTRL … #define FM801_I2S_MODE … #define FM801_VOLUME … #define FM801_I2C_CTRL … #define FM801_AC97_CMD … #define FM801_AC97_DATA … #define FM801_MPU401_DATA … #define FM801_MPU401_CMD … #define FM801_GPIO_CTRL … #define FM801_GEN_CTRL … #define FM801_IRQ_MASK … #define FM801_IRQ_STATUS … #define FM801_OPL3_BANK0 … #define FM801_OPL3_DATA0 … #define FM801_OPL3_BANK1 … #define FM801_OPL3_DATA1 … #define FM801_POWERDOWN … /* codec access */ #define FM801_AC97_READ … #define FM801_AC97_VALID … #define FM801_AC97_BUSY … #define FM801_AC97_ADDR_SHIFT … /* playback and record control register bits */ #define FM801_BUF1_LAST … #define FM801_BUF2_LAST … #define FM801_START … #define FM801_PAUSE … #define FM801_IMMED_STOP … #define FM801_RATE_SHIFT … #define FM801_RATE_MASK … #define FM801_CHANNELS_4 … #define FM801_CHANNELS_6 … #define FM801_CHANNELS_6MS … #define FM801_CHANNELS_MASK … #define FM801_16BIT … #define FM801_STEREO … /* IRQ status bits */ #define FM801_IRQ_PLAYBACK … #define FM801_IRQ_CAPTURE … #define FM801_IRQ_VOLUME … #define FM801_IRQ_MPU … /* GPIO control register */ #define FM801_GPIO_GP0 … #define FM801_GPIO_GP1 … #define FM801_GPIO_GP2 … #define FM801_GPIO_GP3 … #define FM801_GPIO_GP(x) … #define FM801_GPIO_GD0 … #define FM801_GPIO_GD1 … #define FM801_GPIO_GD2 … #define FM801_GPIO_GD3 … #define FM801_GPIO_GD(x) … #define FM801_GPIO_GS0 … #define FM801_GPIO_GS1 … #define FM801_GPIO_GS2 … #define FM801_GPIO_GS3 … #define FM801_GPIO_GS(x) … /** * struct fm801 - describes FM801 chip * @dev: device for this chio * @irq: irq number * @port: I/O port number * @multichannel: multichannel support * @secondary: secondary codec * @secondary_addr: address of the secondary codec * @tea575x_tuner: tuner access method & flags * @ply_ctrl: playback control * @cap_ctrl: capture control * @ply_buffer: playback buffer * @ply_buf: playback buffer index * @ply_count: playback buffer count * @ply_size: playback buffer size * @ply_pos: playback position * @cap_buffer: capture buffer * @cap_buf: capture buffer index * @cap_count: capture buffer count * @cap_size: capture buffer size * @cap_pos: capture position * @ac97_bus: ac97 bus handle * @ac97: ac97 handle * @ac97_sec: ac97 secondary handle * @card: ALSA card * @pcm: PCM devices * @rmidi: rmidi device * @playback_substream: substream for playback * @capture_substream: substream for capture * @p_dma_size: playback DMA size * @c_dma_size: capture DMA size * @reg_lock: lock * @proc_entry: /proc entry * @v4l2_dev: v4l2 device * @tea: tea575a structure * @saved_regs: context saved during suspend */ struct fm801 { … }; /* * IO accessors */ static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value) { … } static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset) { … } static const struct pci_device_id snd_fm801_ids[] = …; MODULE_DEVICE_TABLE(pci, snd_fm801_ids); /* * common I/O routines */ static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations) { … } static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations) { … } static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, unsigned short mask, unsigned short value) { … } static void snd_fm801_codec_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { … } static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg) { … } static const unsigned int rates[] = …; static const struct snd_pcm_hw_constraint_list hw_constraints_rates = …; static const unsigned int channels[] = …; static const struct snd_pcm_hw_constraint_list hw_constraints_channels = …; /* * Sample rate routines */ static unsigned short snd_fm801_rate_bits(unsigned int rate) { … } /* * PCM part */ static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, int cmd) { … } static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, int cmd) { … } static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream) { … } static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream) { … } static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream) { … } static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream) { … } static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id) { … } static const struct snd_pcm_hardware snd_fm801_playback = …; static const struct snd_pcm_hardware snd_fm801_capture = …; static int snd_fm801_playback_open(struct snd_pcm_substream *substream) { … } static int snd_fm801_capture_open(struct snd_pcm_substream *substream) { … } static int snd_fm801_playback_close(struct snd_pcm_substream *substream) { … } static int snd_fm801_capture_close(struct snd_pcm_substream *substream) { … } static const struct snd_pcm_ops snd_fm801_playback_ops = …; static const struct snd_pcm_ops snd_fm801_capture_ops = …; static int snd_fm801_pcm(struct fm801 *chip, int device) { … } /* * TEA5757 radio */ #ifdef CONFIG_SND_FM801_TEA575X_BOOL /* GPIO to TEA575x maps */ struct snd_fm801_tea575x_gpio { … }; static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = …; #define get_tea575x_gpio(chip) … static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) { … } static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) { … } static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) { … } static const struct snd_tea575x_ops snd_fm801_tea_ops = …; #endif /* * Mixer routines */ #define FM801_SINGLE(xname, reg, shift, mask, invert) … static int snd_fm801_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_fm801_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) … #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) … static int snd_fm801_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_fm801_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0); #define FM801_CONTROLS … static const struct snd_kcontrol_new snd_fm801_controls[] = …; #define FM801_CONTROLS_MULTI … static const struct snd_kcontrol_new snd_fm801_controls_multi[] = …; static int snd_fm801_mixer(struct fm801 *chip) { … } /* * initialization routines */ static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, unsigned short reg, unsigned long waits) { … } static int reset_codec(struct fm801 *chip) { … } static void snd_fm801_chip_multichannel_init(struct fm801 *chip) { … } static void snd_fm801_chip_init(struct fm801 *chip) { … } static void snd_fm801_free(struct snd_card *card) { … } static int snd_fm801_create(struct snd_card *card, struct pci_dev *pci, int tea575x_tuner, int radio_nr) { … } static int __snd_card_fm801_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } static int snd_card_fm801_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { … } static const unsigned char saved_regs[] = …; static int snd_fm801_suspend(struct device *dev) { … } static int snd_fm801_resume(struct device *dev) { … } static DEFINE_SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume); static struct pci_driver fm801_driver = …; module_pci_driver(…) …;
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