// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <[email protected]> * James Courtier-Dutton <[email protected]> * Oswald Buddenhagen <[email protected]> * Creative Labs, Inc. * * Routines for effect processor FX8010 */ #include <linux/pci.h> #include <linux/capability.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/init.h> #include <linux/mutex.h> #include <linux/moduleparam.h> #include <linux/nospec.h> #include <sound/core.h> #include <sound/tlv.h> #include <sound/emu10k1.h> #if 0 /* for testing purposes - digital out -> capture */ #define EMU10K1_CAPTURE_DIGITAL_OUT #endif #if 0 /* for testing purposes - set S/PDIF to AC3 output */ #define EMU10K1_SET_AC3_IEC958 #endif #if 0 /* for testing purposes - feed the front signal to Center/LFE outputs */ #define EMU10K1_CENTER_LFE_FROM_FRONT #endif static bool high_res_gpr_volume; module_param(high_res_gpr_volume, bool, 0444); MODULE_PARM_DESC(…) …; /* * Tables */ // Playback channel labels; corresponds with the public FXBUS_* defines. // Unlike the tables below, this is not determined by the hardware. const char * const snd_emu10k1_fxbus[32] = …; // Physical inputs; corresponds with the public EXTIN_* defines. const char * const snd_emu10k1_sblive_ins[16] = …; // Physical inputs; corresponds with the public A_EXTIN_* defines. const char * const snd_emu10k1_audigy_ins[16] = …; // Physical outputs; corresponds with the public EXTOUT_* defines. const char * const snd_emu10k1_sblive_outs[32] = …; // Physical outputs; corresponds with the public A_EXTOUT_* defines. const char * const snd_emu10k1_audigy_outs[32] = …; // On the SB Live! 5.1, FXBUS2[1] and FXBUS2[2] are occupied by EXTOUT_ACENTER // and EXTOUT_ALFE, so we can't connect inputs to them for multitrack recording. // // Since only 14 of the 16 EXTINs are used, this is not a big problem. // We route AC97 to FX capture 14 and 15, SPDIF_CD to FX capture 0 and 3, // and the rest of the EXTINs to the corresponding FX capture channel. // Multitrack recorders will still see the center/LFE output signal // on the second and third "input" channel. const s8 snd_emu10k1_sblive51_fxbus2_map[16] = …; static const u32 bass_table[41][5] = …; static const u32 treble_table[41][5] = …; /* dB gain = (float) 20 * log10( float(db_table_value) / 0x8000000 ) */ static const u32 db_table[101] = …; /* EMU10k1/EMU10k2 DSP control db gain */ static const DECLARE_TLV_DB_SCALE(snd_emu10k1_db_scale1, -4000, 40, 1); static const DECLARE_TLV_DB_LINEAR(snd_emu10k1_db_linear, TLV_DB_GAIN_MUTE, 0); /* EMU10K1 bass/treble db gain */ static const DECLARE_TLV_DB_SCALE(snd_emu10k1_bass_treble_db_scale, -1200, 60, 0); static const u32 onoff_table[2] = …; /* * controls */ static int snd_emu10k1_gpr_ctl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_emu10k1_gpr_ctl_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_emu10k1_gpr_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* * Interrupt handler */ static void snd_emu10k1_fx8010_interrupt(struct snd_emu10k1 *emu) { … } int snd_emu10k1_fx8010_register_irq_handler(struct snd_emu10k1 *emu, snd_fx8010_irq_handler_t *handler, unsigned char gpr_running, void *private_data, struct snd_emu10k1_fx8010_irq *irq) { … } int snd_emu10k1_fx8010_unregister_irq_handler(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_irq *irq) { … } /************************************************************************* * EMU10K1 effect manager *************************************************************************/ static void snd_emu10k1_write_op(struct snd_emu10k1_fx8010_code *icode, unsigned int *ptr, u32 op, u32 r, u32 a, u32 x, u32 y) { … } #define OP(icode, ptr, op, r, a, x, y) … static void snd_emu10k1_audigy_write_op(struct snd_emu10k1_fx8010_code *icode, unsigned int *ptr, u32 op, u32 r, u32 a, u32 x, u32 y) { … } #define A_OP(icode, ptr, op, r, a, x, y) … static void snd_emu10k1_efx_write(struct snd_emu10k1 *emu, unsigned int pc, unsigned int data) { … } unsigned int snd_emu10k1_efx_read(struct snd_emu10k1 *emu, unsigned int pc) { … } static int snd_emu10k1_gpr_poke(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static int snd_emu10k1_gpr_peek(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode) { … } static int snd_emu10k1_tram_poke(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static int snd_emu10k1_tram_peek(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode) { … } static int snd_emu10k1_code_poke(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static int snd_emu10k1_code_peek(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode) { … } static struct snd_emu10k1_fx8010_ctl * snd_emu10k1_look_for_ctl(struct snd_emu10k1 *emu, struct emu10k1_ctl_elem_id *_id) { … } #define MAX_TLV_SIZE … static unsigned int *copy_tlv(const unsigned int __user *_tlv, bool in_kernel) { … } static int copy_gctl(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_control_gpr *dst, struct snd_emu10k1_fx8010_control_gpr *src, int idx, bool in_kernel) { … } static int copy_gctl_to_user(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_control_gpr *dst, struct snd_emu10k1_fx8010_control_gpr *src, int idx) { … } static int copy_ctl_elem_id(const struct emu10k1_ctl_elem_id *list, int i, struct emu10k1_ctl_elem_id *ret, bool in_kernel) { … } static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static void snd_emu10k1_ctl_private_free(struct snd_kcontrol *kctl) { … } static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static int snd_emu10k1_del_controls(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static int snd_emu10k1_list_controls(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode) { … } static int snd_emu10k1_icode_poke(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode, bool in_kernel) { … } static int snd_emu10k1_icode_peek(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_code *icode) { … } static int snd_emu10k1_ipcm_poke(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_pcm_rec *ipcm) { … } static int snd_emu10k1_ipcm_peek(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_pcm_rec *ipcm) { … } #define SND_EMU10K1_GPR_CONTROLS … #define SND_EMU10K1_INPUTS … #define SND_EMU10K1_PLAYBACK_CHANNELS … #define SND_EMU10K1_CAPTURE_CHANNELS … #define HR_VAL(v) … static void snd_emu10k1_init_mono_control2(struct snd_emu10k1_fx8010_control_gpr *ctl, const char *name, int gpr, int defval, int defval_hr) { … } #define snd_emu10k1_init_mono_control(ctl, name, gpr, defval) … static void snd_emu10k1_init_stereo_control2(struct snd_emu10k1_fx8010_control_gpr *ctl, const char *name, int gpr, int defval, int defval_hr) { … } #define snd_emu10k1_init_stereo_control(ctl, name, gpr, defval) … static void snd_emu10k1_init_mono_onoff_control(struct snd_emu10k1_fx8010_control_gpr *ctl, const char *name, int gpr, int defval) { … } static void snd_emu10k1_init_stereo_onoff_control(struct snd_emu10k1_fx8010_control_gpr *ctl, const char *name, int gpr, int defval) { … } /* * Used for emu1010 - conversion from 32-bit capture inputs from the FPGA * to 2 x 16-bit registers in Audigy - their values are read via DMA. * Conversion is performed by Audigy DSP instructions of FX8010. */ static void snd_emu10k1_audigy_dsp_convert_32_to_2x16( struct snd_emu10k1_fx8010_code *icode, u32 *ptr, int tmp, int bit_shifter16, int reg_in, int reg_out) { … } #define ENUM_GPR(name, size) … /* * initial DSP configuration for Audigy */ static int _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu) { … } /* * initial DSP configuration for Emu10k1 */ /* Volumes are in the [-2^31, 0] range, zero being mute. */ static void _volume(struct snd_emu10k1_fx8010_code *icode, u32 *ptr, u32 dst, u32 src, u32 vol) { … } static void _volume_add(struct snd_emu10k1_fx8010_code *icode, u32 *ptr, u32 dst, u32 src, u32 vol) { … } #define VOLUME(icode, ptr, dst, src, vol) … #define VOLUME_IN(icode, ptr, dst, src, vol) … #define VOLUME_ADD(icode, ptr, dst, src, vol) … #define VOLUME_ADDIN(icode, ptr, dst, src, vol) … #define VOLUME_OUT(icode, ptr, dst, src, vol) … #define _SWITCH(icode, ptr, dst, src, sw) … #define SWITCH(icode, ptr, dst, src, sw) … #define SWITCH_IN(icode, ptr, dst, src, sw) … #define _SWITCH_NEG(icode, ptr, dst, src) … #define SWITCH_NEG(icode, ptr, dst, src) … static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) { … } int snd_emu10k1_init_efx(struct snd_emu10k1 *emu) { … } void snd_emu10k1_free_efx(struct snd_emu10k1 *emu) { … } #if 0 /* FIXME: who use them? */ int snd_emu10k1_fx8010_tone_control_activate(struct snd_emu10k1 *emu, int output) { if (output < 0 || output >= 6) return -EINVAL; snd_emu10k1_ptr_write(emu, emu->gpr_base + 0x94 + output, 0, 1); return 0; } int snd_emu10k1_fx8010_tone_control_deactivate(struct snd_emu10k1 *emu, int output) { if (output < 0 || output >= 6) return -EINVAL; snd_emu10k1_ptr_write(emu, emu->gpr_base + 0x94 + output, 0, 0); return 0; } #endif int snd_emu10k1_fx8010_tram_setup(struct snd_emu10k1 *emu, u32 size) { … } static int snd_emu10k1_fx8010_open(struct snd_hwdep * hw, struct file *file) { … } static void copy_string(char *dst, const char *src, const char *null, int idx) { … } static void snd_emu10k1_fx8010_info(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_info *info) { … } static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg) { … } static int snd_emu10k1_fx8010_release(struct snd_hwdep * hw, struct file *file) { … } int snd_emu10k1_fx8010_new(struct snd_emu10k1 *emu, int device) { … } #ifdef CONFIG_PM_SLEEP int snd_emu10k1_efx_alloc_pm_buffer(struct snd_emu10k1 *emu) { … } void snd_emu10k1_efx_free_pm_buffer(struct snd_emu10k1 *emu) { … } /* * save/restore GPR, TRAM and codes */ void snd_emu10k1_efx_suspend(struct snd_emu10k1 *emu) { … } void snd_emu10k1_efx_resume(struct snd_emu10k1 *emu) { … } #endif
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