// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela * Routines for control of CS4235/4236B/4237B/4238B/4239 chips * * Note: * ----- * * Bugs: * ----- */ /* * Indirect control registers (CS4236B+) * * C0 * D8: WSS reset (all chips) * * C1 (all chips except CS4236) * D7-D5: version * D4-D0: chip id * 11101 - CS4235 * 01011 - CS4236B * 01000 - CS4237B * 01001 - CS4238B * 11110 - CS4239 * * C2 * D7-D4: 3D Space (CS4235,CS4237B,CS4238B,CS4239) * D3-D0: 3D Center (CS4237B); 3D Volume (CS4238B) * * C3 * D7: 3D Enable (CS4237B) * D6: 3D Mono Enable (CS4237B) * D5: 3D Serial Output (CS4237B,CS4238B) * D4: 3D Enable (CS4235,CS4238B,CS4239) * * C4 * D7: consumer serial port enable (CS4237B,CS4238B) * D6: channels status block reset (CS4237B,CS4238B) * D5: user bit in sub-frame of digital audio data (CS4237B,CS4238B) * D4: validity bit bit in sub-frame of digital audio data (CS4237B,CS4238B) * * C5 lower channel status (digital serial data description) (CS4237B,CS4238B) * D7-D6: first two bits of category code * D5: lock * D4-D3: pre-emphasis (0 = none, 1 = 50/15us) * D2: copy/copyright (0 = copy inhibited) * D1: 0 = digital audio / 1 = non-digital audio * * C6 upper channel status (digital serial data description) (CS4237B,CS4238B) * D7-D6: sample frequency (0 = 44.1kHz) * D5: generation status (0 = no indication, 1 = original/commercially precaptureed data) * D4-D0: category code (upper bits) * * C7 reserved (must write 0) * * C8 wavetable control * D7: volume control interrupt enable (CS4235,CS4239) * D6: hardware volume control format (CS4235,CS4239) * D3: wavetable serial port enable (all chips) * D2: DSP serial port switch (all chips) * D1: disable MCLK (all chips) * D0: force BRESET low (all chips) * */ #include #include #include #include #include #include #include #include #include #include /* * */ static unsigned char snd_cs4236_ext_map[18] = { /* CS4236_LEFT_LINE */ 0xff, /* CS4236_RIGHT_LINE */ 0xff, /* CS4236_LEFT_MIC */ 0xdf, /* CS4236_RIGHT_MIC */ 0xdf, /* CS4236_LEFT_MIX_CTRL */ 0xe0 | 0x18, /* CS4236_RIGHT_MIX_CTRL */ 0xe0, /* CS4236_LEFT_FM */ 0xbf, /* CS4236_RIGHT_FM */ 0xbf, /* CS4236_LEFT_DSP */ 0xbf, /* CS4236_RIGHT_DSP */ 0xbf, /* CS4236_RIGHT_LOOPBACK */ 0xbf, /* CS4236_DAC_MUTE */ 0xe0, /* CS4236_ADC_RATE */ 0x01, /* 48kHz */ /* CS4236_DAC_RATE */ 0x01, /* 48kHz */ /* CS4236_LEFT_MASTER */ 0xbf, /* CS4236_RIGHT_MASTER */ 0xbf, /* CS4236_LEFT_WAVE */ 0xbf, /* CS4236_RIGHT_WAVE */ 0xbf }; /* * */ static void snd_cs4236_ctrl_out(struct snd_wss *chip, unsigned char reg, unsigned char val) { outb(reg, chip->cport + 3); outb(chip->cimage[reg] = val, chip->cport + 4); } static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg) { outb(reg, chip->cport + 3); return inb(chip->cport + 4); } /* * PCM */ #define CLOCKS 8 static const struct snd_ratnum clocks[CLOCKS] = { { .num = 16934400, .den_min = 353, .den_max = 353, .den_step = 1 }, { .num = 16934400, .den_min = 529, .den_max = 529, .den_step = 1 }, { .num = 16934400, .den_min = 617, .den_max = 617, .den_step = 1 }, { .num = 16934400, .den_min = 1058, .den_max = 1058, .den_step = 1 }, { .num = 16934400, .den_min = 1764, .den_max = 1764, .den_step = 1 }, { .num = 16934400, .den_min = 2117, .den_max = 2117, .den_step = 1 }, { .num = 16934400, .den_min = 2558, .den_max = 2558, .den_step = 1 }, { .num = 16934400/16, .den_min = 21, .den_max = 192, .den_step = 1 } }; static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { .nrats = CLOCKS, .rats = clocks, }; static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime) { return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_clocks); } static unsigned char divisor_to_rate_register(unsigned int divisor) { switch (divisor) { case 353: return 1; case 529: return 2; case 617: return 3; case 1058: return 4; case 1764: return 5; case 2117: return 6; case 2558: return 7; default: if (divisor < 21 || divisor > 192) { snd_BUG(); return 192; } return divisor; } } static void snd_cs4236_playback_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char pdfr) { unsigned long flags; unsigned char rate = divisor_to_rate_register(params->rate_den); spin_lock_irqsave(&chip->reg_lock, flags); /* set fast playback format change and clean playback FIFO */ snd_wss_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | 0x10); snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0); snd_wss_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] & ~0x10); snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate); spin_unlock_irqrestore(&chip->reg_lock, flags); } static void snd_cs4236_capture_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char cdfr) { unsigned long flags; unsigned char rate = divisor_to_rate_register(params->rate_den); spin_lock_irqsave(&chip->reg_lock, flags); /* set fast capture format change and clean capture FIFO */ snd_wss_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | 0x20); snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0); snd_wss_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] & ~0x20); snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate); spin_unlock_irqrestore(&chip->reg_lock, flags); } #ifdef CONFIG_PM static void snd_cs4236_suspend(struct snd_wss *chip) { int reg; unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) chip->image[reg] = snd_wss_in(chip, reg); for (reg = 0; reg < 18; reg++) chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg)); for (reg = 2; reg < 9; reg++) chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg); spin_unlock_irqrestore(&chip->reg_lock, flags); } static void snd_cs4236_resume(struct snd_wss *chip) { int reg; unsigned long flags; snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) { switch (reg) { case CS4236_EXT_REG: case CS4231_VERSION: case 27: /* why? CS4235 - master left */ case 29: /* why? CS4235 - master right */ break; default: snd_wss_out(chip, reg, chip->image[reg]); break; } } for (reg = 0; reg < 18; reg++) snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]); for (reg = 2; reg < 9; reg++) { switch (reg) { case 7: break; default: snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]); } } spin_unlock_irqrestore(&chip->reg_lock, flags); snd_wss_mce_down(chip); } #endif /* CONFIG_PM */ /* * This function does no fail if the chip is not CS4236B or compatible. * It just an equivalent to the snd_wss_create() then. */ int snd_cs4236_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) { struct snd_wss *chip; unsigned char ver1, ver2; unsigned int reg; int err; *rchip = NULL; if (hardware == WSS_HW_DETECT) hardware = WSS_HW_DETECT3; err = snd_wss_create(card, port, cport, irq, dma1, dma2, hardware, hwshare, &chip); if (err < 0) return err; if ((chip->hardware & WSS_HW_CS4236B_MASK) == 0) { snd_printd("chip is not CS4236+, hardware=0x%x\n", chip->hardware); *rchip = chip; return 0; } #if 0 { int idx; for (idx = 0; idx < 8; idx++) snd_printk(KERN_DEBUG "CD%i = 0x%x\n", idx, inb(chip->cport + idx)); for (idx = 0; idx < 9; idx++) snd_printk(KERN_DEBUG "C%i = 0x%x\n", idx, snd_cs4236_ctrl_in(chip, idx)); } #endif if (cport < 0x100 || cport == SNDRV_AUTO_PORT) { snd_printk(KERN_ERR "please, specify control port " "for CS4236+ chips\n"); snd_device_free(card, chip); return -ENODEV; } ver1 = snd_cs4236_ctrl_in(chip, 1); ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION); snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n", cport, ver1, ver2); if (ver1 != ver2) { snd_printk(KERN_ERR "CS4236+ chip detected, but " "control port 0x%lx is not valid\n", cport); snd_device_free(card, chip); return -ENODEV; } snd_cs4236_ctrl_out(chip, 0, 0x00); snd_cs4236_ctrl_out(chip, 2, 0xff); snd_cs4236_ctrl_out(chip, 3, 0x00); snd_cs4236_ctrl_out(chip, 4, 0x80); reg = ((IEC958_AES1_CON_PCM_CODER & 3) << 6) | IEC958_AES0_CON_EMPHASIS_NONE; snd_cs4236_ctrl_out(chip, 5, reg); snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2); snd_cs4236_ctrl_out(chip, 7, 0x00); /* * 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958 * output is working with this setup, other hardware should * have different signal paths and this value should be * selectable in the future */ snd_cs4236_ctrl_out(chip, 8, 0x8c); chip->rate_constraint = snd_cs4236_xrate; chip->set_playback_format = snd_cs4236_playback_format; chip->set_capture_format = snd_cs4236_capture_format; #ifdef CONFIG_PM chip->suspend = snd_cs4236_suspend; chip->resume = snd_cs4236_resume; #endif /* initialize extended registers */ for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++) snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), snd_cs4236_ext_map[reg]); /* initialize compatible but more featured registers */ snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40); snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40); snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff); snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff); snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf); snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf); snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff); snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff); snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff); switch (chip->hardware) { case WSS_HW_CS4235: case WSS_HW_CS4239: snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff); snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff); break; } *rchip = chip; return 0; } int snd_cs4236_pcm(struct snd_wss *chip, int device) { int err; err = snd_wss_pcm(chip, device); if (err < 0) return err; chip->pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX; return 0; } /* * MIXER */ #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_cs4236_info_single, \ .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } #define CS4236_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .info = snd_cs4236_info_single, \ .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ .tlv = { .p = (xtlv) } } static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 16) & 0xff; uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; } static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask; spin_unlock_irqrestore(&chip->reg_lock, flags); if (invert) ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; return 0; } static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; int change; unsigned short val; val = (ucontrol->value.integer.value[0] & mask); if (invert) val = mask - val; val <<= shift; spin_lock_irqsave(&chip->reg_lock, flags); val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val; change = val != chip->eimage[CS4236_REG(reg)]; snd_cs4236_ext_out(chip, reg, val); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_cs4236_info_single, \ .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask; spin_unlock_irqrestore(&chip->reg_lock, flags); if (invert) ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; return 0; } static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; int change; unsigned short val; val = (ucontrol->value.integer.value[0] & mask); if (invert) val = mask - val; val <<= shift; spin_lock_irqsave(&chip->reg_lock, flags); val = (chip->cimage[reg] & ~(mask << shift)) | val; change = val != chip->cimage[reg]; snd_cs4236_ctrl_out(chip, reg, val); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_cs4236_info_double, \ .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } #define CS4236_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, \ shift_right, mask, invert, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .info = snd_cs4236_info_double, \ .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ (shift_right << 19) | (mask << 24) | (invert << 22), \ .tlv = { .p = (xtlv) } } static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 24) & 0xff; uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; } static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; int shift_left = (kcontrol->private_value >> 16) & 0x07; int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask; ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask; spin_unlock_irqrestore(&chip->reg_lock, flags); if (invert) { ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; } return 0; } static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; int shift_left = (kcontrol->private_value >> 16) & 0x07; int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; int change; unsigned short val1, val2; val1 = ucontrol->value.integer.value[0] & mask; val2 = ucontrol->value.integer.value[1] & mask; if (invert) { val1 = mask - val1; val2 = mask - val2; } val1 <<= shift_left; val2 <<= shift_right; spin_lock_irqsave(&chip->reg_lock, flags); if (left_reg != right_reg) { val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1; val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2; change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)]; snd_cs4236_ext_out(chip, left_reg, val1); snd_cs4236_ext_out(chip, right_reg, val2); } else { val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; change = val1 != chip->eimage[CS4236_REG(left_reg)]; snd_cs4236_ext_out(chip, left_reg, val1); } spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, \ shift_right, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_cs4236_info_double, \ .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } #define CS4236_DOUBLE1_TLV(xname, xindex, left_reg, right_reg, shift_left, \ shift_right, mask, invert, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .info = snd_cs4236_info_double, \ .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ (shift_right << 19) | (mask << 24) | (invert << 22), \ .tlv = { .p = (xtlv) } } static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; int shift_left = (kcontrol->private_value >> 16) & 0x07; int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask; spin_unlock_irqrestore(&chip->reg_lock, flags); if (invert) { ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; } return 0; } static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; int shift_left = (kcontrol->private_value >> 16) & 0x07; int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; int change; unsigned short val1, val2; val1 = ucontrol->value.integer.value[0] & mask; val2 = ucontrol->value.integer.value[1] & mask; if (invert) { val1 = mask - val1; val2 = mask - val2; } val1 <<= shift_left; val2 <<= shift_right; spin_lock_irqsave(&chip->reg_lock, flags); val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2; change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)]; snd_wss_out(chip, left_reg, val1); snd_cs4236_ext_out(chip, right_reg, val2); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define CS4236_MASTER_DIGITAL(xname, xindex, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .info = snd_cs4236_info_double, \ .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \ .private_value = 71 << 24, \ .tlv = { .p = (xtlv) } } static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol) { return (vol < 64) ? 63 - vol : 64 + (71 - vol); } static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f); ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f); spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int change; unsigned short val1, val2; val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f); val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f); spin_lock_irqsave(&chip->reg_lock, flags); val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1; val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2; change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)]; snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1); snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define CS4235_OUTPUT_ACCU(xname, xindex, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .info = snd_cs4236_info_double, \ .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \ .private_value = 3 << 24, \ .tlv = { .p = (xtlv) } } static inline int snd_cs4235_mixer_output_accu_get_volume(int vol) { switch ((vol >> 5) & 3) { case 0: return 1; case 1: return 3; case 2: return 2; case 3: return 0; } return 3; } static inline int snd_cs4235_mixer_output_accu_set_volume(int vol) { switch (vol & 3) { case 0: return 3 << 5; case 1: return 0 << 5; case 2: return 2 << 5; case 3: return 1 << 5; } return 1 << 5; } static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]); ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]); spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int change; unsigned short val1, val2; val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]); val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]); spin_lock_irqsave(&chip->reg_lock, flags); val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1; val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2; change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER]; snd_wss_out(chip, CS4235_LEFT_MASTER, val1); snd_wss_out(chip, CS4235_RIGHT_MASTER, val2); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_6bit_12db_max, -8250, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_22db_max, -2400, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0); static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); static struct snd_kcontrol_new snd_cs4236_controls[] = { CS4236_DOUBLE("Master Digital Playback Switch", 0, CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1), CS4236_DOUBLE("Master Digital Capture Switch", 0, CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1), CS4236_MASTER_DIGITAL("Master Digital Volume", 0, db_scale_7bit), CS4236_DOUBLE_TLV("Capture Boost Volume", 0, CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1, db_scale_2bit), WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), WSS_DOUBLE_TLV("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1, db_scale_6bit), CS4236_DOUBLE("DSP Playback Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1), CS4236_DOUBLE_TLV("DSP Playback Volume", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1, db_scale_6bit), CS4236_DOUBLE("FM Playback Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1), CS4236_DOUBLE_TLV("FM Playback Volume", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1, db_scale_6bit), CS4236_DOUBLE("Wavetable Playback Switch", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1), CS4236_DOUBLE_TLV("Wavetable Playback Volume", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1, db_scale_6bit_12db_max), WSS_DOUBLE("Synth Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), WSS_DOUBLE_TLV("Synth Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1, db_scale_5bit_12db_max), WSS_DOUBLE("Synth Capture Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1), WSS_DOUBLE("Synth Capture Bypass", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1), CS4236_DOUBLE("Mic Playback Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1), CS4236_DOUBLE("Mic Capture Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1), CS4236_DOUBLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 0, 0, 31, 1, db_scale_5bit_22db_max), CS4236_DOUBLE("Mic Playback Boost (+20dB)", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0), WSS_DOUBLE("Line Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), WSS_DOUBLE_TLV("Line Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1, db_scale_5bit_12db_max), WSS_DOUBLE("Line Capture Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1), WSS_DOUBLE("Line Capture Bypass", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1), WSS_DOUBLE("CD Playback Switch", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), WSS_DOUBLE_TLV("CD Volume", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1, db_scale_5bit_12db_max), WSS_DOUBLE("CD Capture Switch", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1), CS4236_DOUBLE1("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1), CS4236_DOUBLE1("Beep Playback Switch", 0, CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1), WSS_SINGLE_TLV("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1, db_scale_4bit), WSS_SINGLE("Beep Bypass Playback Switch", 0, CS4231_MONO_CTRL, 5, 1, 0), WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0, db_scale_rec_gain), WSS_DOUBLE("Analog Loopback Capture Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0), WSS_SINGLE("Loopback Digital Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0), CS4236_DOUBLE1_TLV("Loopback Digital Playback Volume", 0, CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1, db_scale_6bit), }; static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0); static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0); static struct snd_kcontrol_new snd_cs4235_controls[] = { WSS_DOUBLE("Master Playback Switch", 0, CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1), WSS_DOUBLE_TLV("Master Playback Volume", 0, CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1, db_scale_5bit_6db_max), CS4235_OUTPUT_ACCU("Playback Volume", 0, db_scale_2bit_16db_max), WSS_DOUBLE("Synth Playback Switch", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), WSS_DOUBLE("Synth Capture Switch", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1), WSS_DOUBLE_TLV("Synth Volume", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1, db_scale_5bit_12db_max), CS4236_DOUBLE_TLV("Capture Volume", 0, CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1, db_scale_2bit), WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), WSS_DOUBLE("PCM Capture Switch", 0, CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1), WSS_DOUBLE_TLV("PCM Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1, db_scale_6bit), CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1), CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1), CS4236_DOUBLE("Wavetable Switch", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1), CS4236_DOUBLE("Mic Capture Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1), CS4236_DOUBLE("Mic Playback Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1), CS4236_SINGLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1, db_scale_5bit_22db_max), CS4236_SINGLE("Mic Boost (+20dB)", 0, CS4236_LEFT_MIC, 5, 1, 0), WSS_DOUBLE("Line Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), WSS_DOUBLE("Line Capture Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1), WSS_DOUBLE_TLV("Line Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1, db_scale_5bit_12db_max), WSS_DOUBLE("CD Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), WSS_DOUBLE("CD Capture Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1), WSS_DOUBLE_TLV("CD Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1, db_scale_5bit_12db_max), CS4236_DOUBLE1("Beep Playback Switch", 0, CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1), WSS_SINGLE("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), WSS_DOUBLE("Analog Loopback Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0), }; #define CS4236_IEC958_ENABLE(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_cs4236_info_single, \ .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \ .private_value = 1 << 16 } static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0; #if 0 printk(KERN_DEBUG "get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, " "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n", snd_wss_in(chip, CS4231_ALT_FEATURE_1), snd_cs4236_ctrl_in(chip, 3), snd_cs4236_ctrl_in(chip, 4), snd_cs4236_ctrl_in(chip, 5), snd_cs4236_ctrl_in(chip, 6), snd_cs4236_ctrl_in(chip, 8)); #endif spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int change; unsigned short enable, val; enable = ucontrol->value.integer.value[0] & 1; mutex_lock(&chip->mce_mutex); snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1); change = val != chip->image[CS4231_ALT_FEATURE_1]; snd_wss_out(chip, CS4231_ALT_FEATURE_1, val); val = snd_cs4236_ctrl_in(chip, 4) | 0xc0; snd_cs4236_ctrl_out(chip, 4, val); udelay(100); val &= ~0x40; snd_cs4236_ctrl_out(chip, 4, val); spin_unlock_irqrestore(&chip->reg_lock, flags); snd_wss_mce_down(chip); mutex_unlock(&chip->mce_mutex); #if 0 printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, " "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n", snd_wss_in(chip, CS4231_ALT_FEATURE_1), snd_cs4236_ctrl_in(chip, 3), snd_cs4236_ctrl_in(chip, 4), snd_cs4236_ctrl_in(chip, 5), snd_cs4236_ctrl_in(chip, 6), snd_cs4236_ctrl_in(chip, 8)); #endif return change; } static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = { CS4236_IEC958_ENABLE("IEC958 Output Enable", 0), CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0), CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0), CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0), CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0), CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0) }; static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = { CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0), CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1) }; static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = { CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0), CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1), CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1), CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0), CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0) }; static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = { CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0), CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1), CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1), CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0) }; int snd_cs4236_mixer(struct snd_wss *chip) { struct snd_card *card; unsigned int idx, count; int err; struct snd_kcontrol_new *kcontrol; if (snd_BUG_ON(!chip || !chip->card)) return -EINVAL; card = chip->card; strcpy(card->mixername, snd_wss_chip_id(chip)); if (chip->hardware == WSS_HW_CS4235 || chip->hardware == WSS_HW_CS4239) { for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0) return err; } } else { for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0) return err; } } switch (chip->hardware) { case WSS_HW_CS4235: case WSS_HW_CS4239: count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235); kcontrol = snd_cs4236_3d_controls_cs4235; break; case WSS_HW_CS4237B: count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237); kcontrol = snd_cs4236_3d_controls_cs4237; break; case WSS_HW_CS4238B: count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238); kcontrol = snd_cs4236_3d_controls_cs4238; break; default: count = 0; kcontrol = NULL; } for (idx = 0; idx < count; idx++, kcontrol++) { if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0) return err; } if (chip->hardware == WSS_HW_CS4237B || chip->hardware == WSS_HW_CS4238B) { for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0) return err; } } return 0; }