// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <[email protected]> * Routines for control of CS4231(A)/CS4232/InterWave & compatible chips * * Bugs: * - sometimes record brokes playback with WSS portion of * Yamaha OPL3-SA3 chip * - CS4231 (GUS MAX) - still trouble with occasional noises * - broken initialization? */ #include <linux/delay.h> #include <linux/pm.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/ioport.h> #include <linux/module.h> #include <linux/io.h> #include <sound/core.h> #include <sound/wss.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <asm/dma.h> #include <asm/irq.h> MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; #if 0 #define SNDRV_DEBUG_MCE #endif /* * Some variables */ static const unsigned char freq_bits[14] = …; static const unsigned int rates[14] = …; static const struct snd_pcm_hw_constraint_list hw_constraints_rates = …; static int snd_wss_xrate(struct snd_pcm_runtime *runtime) { … } static const unsigned char snd_wss_original_image[32] = …; static const unsigned char snd_opti93x_original_image[32] = …; /* * Basic I/O functions */ static inline void wss_outb(struct snd_wss *chip, u8 offset, u8 val) { … } static inline u8 wss_inb(struct snd_wss *chip, u8 offset) { … } static void snd_wss_wait(struct snd_wss *chip) { … } static void snd_wss_dout(struct snd_wss *chip, unsigned char reg, unsigned char value) { … } void snd_wss_out(struct snd_wss *chip, unsigned char reg, unsigned char value) { … } EXPORT_SYMBOL(…); unsigned char snd_wss_in(struct snd_wss *chip, unsigned char reg) { … } EXPORT_SYMBOL(…); void snd_cs4236_ext_out(struct snd_wss *chip, unsigned char reg, unsigned char val) { … } EXPORT_SYMBOL(…); unsigned char snd_cs4236_ext_in(struct snd_wss *chip, unsigned char reg) { … } EXPORT_SYMBOL(…); #if 0 static void snd_wss_debug(struct snd_wss *chip) { printk(KERN_DEBUG "CS4231 REGS: INDEX = 0x%02x " " STATUS = 0x%02x\n", wss_inb(chip, CS4231P(REGSEL)), wss_inb(chip, CS4231P(STATUS))); printk(KERN_DEBUG " 0x00: left input = 0x%02x " " 0x10: alt 1 (CFIG 2) = 0x%02x\n", snd_wss_in(chip, 0x00), snd_wss_in(chip, 0x10)); printk(KERN_DEBUG " 0x01: right input = 0x%02x " " 0x11: alt 2 (CFIG 3) = 0x%02x\n", snd_wss_in(chip, 0x01), snd_wss_in(chip, 0x11)); printk(KERN_DEBUG " 0x02: GF1 left input = 0x%02x " " 0x12: left line in = 0x%02x\n", snd_wss_in(chip, 0x02), snd_wss_in(chip, 0x12)); printk(KERN_DEBUG " 0x03: GF1 right input = 0x%02x " " 0x13: right line in = 0x%02x\n", snd_wss_in(chip, 0x03), snd_wss_in(chip, 0x13)); printk(KERN_DEBUG " 0x04: CD left input = 0x%02x " " 0x14: timer low = 0x%02x\n", snd_wss_in(chip, 0x04), snd_wss_in(chip, 0x14)); printk(KERN_DEBUG " 0x05: CD right input = 0x%02x " " 0x15: timer high = 0x%02x\n", snd_wss_in(chip, 0x05), snd_wss_in(chip, 0x15)); printk(KERN_DEBUG " 0x06: left output = 0x%02x " " 0x16: left MIC (PnP) = 0x%02x\n", snd_wss_in(chip, 0x06), snd_wss_in(chip, 0x16)); printk(KERN_DEBUG " 0x07: right output = 0x%02x " " 0x17: right MIC (PnP) = 0x%02x\n", snd_wss_in(chip, 0x07), snd_wss_in(chip, 0x17)); printk(KERN_DEBUG " 0x08: playback format = 0x%02x " " 0x18: IRQ status = 0x%02x\n", snd_wss_in(chip, 0x08), snd_wss_in(chip, 0x18)); printk(KERN_DEBUG " 0x09: iface (CFIG 1) = 0x%02x " " 0x19: left line out = 0x%02x\n", snd_wss_in(chip, 0x09), snd_wss_in(chip, 0x19)); printk(KERN_DEBUG " 0x0a: pin control = 0x%02x " " 0x1a: mono control = 0x%02x\n", snd_wss_in(chip, 0x0a), snd_wss_in(chip, 0x1a)); printk(KERN_DEBUG " 0x0b: init & status = 0x%02x " " 0x1b: right line out = 0x%02x\n", snd_wss_in(chip, 0x0b), snd_wss_in(chip, 0x1b)); printk(KERN_DEBUG " 0x0c: revision & mode = 0x%02x " " 0x1c: record format = 0x%02x\n", snd_wss_in(chip, 0x0c), snd_wss_in(chip, 0x1c)); printk(KERN_DEBUG " 0x0d: loopback = 0x%02x " " 0x1d: var freq (PnP) = 0x%02x\n", snd_wss_in(chip, 0x0d), snd_wss_in(chip, 0x1d)); printk(KERN_DEBUG " 0x0e: ply upr count = 0x%02x " " 0x1e: ply lwr count = 0x%02x\n", snd_wss_in(chip, 0x0e), snd_wss_in(chip, 0x1e)); printk(KERN_DEBUG " 0x0f: rec upr count = 0x%02x " " 0x1f: rec lwr count = 0x%02x\n", snd_wss_in(chip, 0x0f), snd_wss_in(chip, 0x1f)); } #endif /* * CS4231 detection / MCE routines */ static void snd_wss_busy_wait(struct snd_wss *chip) { … } void snd_wss_mce_up(struct snd_wss *chip) { … } EXPORT_SYMBOL(…); void snd_wss_mce_down(struct snd_wss *chip) { … } EXPORT_SYMBOL(…); static unsigned int snd_wss_get_count(unsigned char format, unsigned int size) { … } static int snd_wss_trigger(struct snd_pcm_substream *substream, int cmd) { … } /* * CODEC I/O */ static unsigned char snd_wss_get_rate(unsigned int rate) { … } static unsigned char snd_wss_get_format(struct snd_wss *chip, snd_pcm_format_t format, int channels) { … } static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute) { … } static void snd_wss_playback_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char pdfr) { … } static void snd_wss_capture_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char cdfr) { … } /* * Timer interface */ static unsigned long snd_wss_timer_resolution(struct snd_timer *timer) { … } static int snd_wss_timer_start(struct snd_timer *timer) { … } static int snd_wss_timer_stop(struct snd_timer *timer) { … } static void snd_wss_init(struct snd_wss *chip) { … } static int snd_wss_open(struct snd_wss *chip, unsigned int mode) { … } static void snd_wss_close(struct snd_wss *chip, unsigned int mode) { … } /* * timer open/close */ static int snd_wss_timer_open(struct snd_timer *timer) { … } static int snd_wss_timer_close(struct snd_timer *timer) { … } static const struct snd_timer_hardware snd_wss_timer_table = …; /* * ok.. exported functions.. */ static int snd_wss_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } static int snd_wss_playback_prepare(struct snd_pcm_substream *substream) { … } static int snd_wss_capture_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } static int snd_wss_capture_prepare(struct snd_pcm_substream *substream) { … } void snd_wss_overrange(struct snd_wss *chip) { … } EXPORT_SYMBOL(…); irqreturn_t snd_wss_interrupt(int irq, void *dev_id) { … } EXPORT_SYMBOL(…); static snd_pcm_uframes_t snd_wss_playback_pointer(struct snd_pcm_substream *substream) { … } static snd_pcm_uframes_t snd_wss_capture_pointer(struct snd_pcm_substream *substream) { … } /* */ static int snd_ad1848_probe(struct snd_wss *chip) { … } static int snd_wss_probe(struct snd_wss *chip) { … } /* */ static const struct snd_pcm_hardware snd_wss_playback = …; static const struct snd_pcm_hardware snd_wss_capture = …; /* */ static int snd_wss_playback_open(struct snd_pcm_substream *substream) { … } static int snd_wss_capture_open(struct snd_pcm_substream *substream) { … } static int snd_wss_playback_close(struct snd_pcm_substream *substream) { … } static int snd_wss_capture_close(struct snd_pcm_substream *substream) { … } static void snd_wss_thinkpad_twiddle(struct snd_wss *chip, int on) { … } #ifdef CONFIG_PM /* lowlevel suspend callback for CS4231 */ static void snd_wss_suspend(struct snd_wss *chip) { … } /* lowlevel resume callback for CS4231 */ static void snd_wss_resume(struct snd_wss *chip) { … } #endif /* CONFIG_PM */ const char *snd_wss_chip_id(struct snd_wss *chip) { … } EXPORT_SYMBOL(…); static int snd_wss_new(struct snd_card *card, unsigned short hardware, unsigned short hwshare, struct snd_wss **rchip) { … } int snd_wss_create(struct snd_card *card, unsigned long port, unsigned long cport, int irq, int dma1, int dma2, unsigned short hardware, unsigned short hwshare, struct snd_wss **rchip) { … } EXPORT_SYMBOL(…); static const struct snd_pcm_ops snd_wss_playback_ops = …; static const struct snd_pcm_ops snd_wss_capture_ops = …; int snd_wss_pcm(struct snd_wss *chip, int device) { … } EXPORT_SYMBOL(…); static void snd_wss_timer_free(struct snd_timer *timer) { … } int snd_wss_timer(struct snd_wss *chip, int device) { … } EXPORT_SYMBOL(…); /* * MIXER part */ static int snd_wss_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_wss_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_wss_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } int snd_wss_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } EXPORT_SYMBOL(…); int snd_wss_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL(…); int snd_wss_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL(…); int snd_wss_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } EXPORT_SYMBOL(…); int snd_wss_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL(…); int snd_wss_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL(…); static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); static const struct snd_kcontrol_new snd_wss_controls[] = …; int snd_wss_mixer(struct snd_wss *chip) { … } EXPORT_SYMBOL(…); const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction) { … } EXPORT_SYMBOL(…);
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