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Mon, 12 Jun 2023 21:13:31 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D3A68F80301 Received: from ugly.fritz.box (localhost [127.0.0.1]) by bluemchen.kde.org (Postfix) with ESMTP id DEEE6241F9; Mon, 12 Jun 2023 15:13:25 -0400 (EDT) Received: by ugly.fritz.box (masqmail 0.3.4, from userid 1000) id 1q8myj-WK9-00; Mon, 12 Jun 2023 21:13:25 +0200 From: Oswald Buddenhagen To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Jaroslav Kysela Subject: [PATCH 4/9] ALSA: emu10k1: fix sample rates for E-MU cards at 44.1 kHz word clock Date: Mon, 12 Jun 2023 21:13:20 +0200 Message-Id: <20230612191325.1315854-5-oswald.buddenhagen@gmx.de> X-Mailer: git-send-email 2.40.0.152.g15d061e6df In-Reply-To: <20230612191325.1315854-1-oswald.buddenhagen@gmx.de> References: <20230612191325.1315854-1-oswald.buddenhagen@gmx.de> MIME-Version: 1.0 Message-ID-Hash: IBM7E56R2LQCU34SJSTVGNMYMO3HYIDT X-Message-ID-Hash: IBM7E56R2LQCU34SJSTVGNMYMO3HYIDT X-MailFrom: ossi@kde.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Now that we know the actual word clock, we can: - Put the resulting rate into the hardware info - At 44.1 kHz word clock shift the rate for the pitch calculations, which presume a 48 kHz word clock Signed-off-by: Oswald Buddenhagen --- include/sound/emu10k1.h | 1 + sound/pci/emu10k1/emupcm.c | 112 ++++++++++++++++++------------------- 2 files changed, 56 insertions(+), 57 deletions(-) diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h index d64cf1697586..386a5f3be3e0 100644 --- a/include/sound/emu10k1.h +++ b/include/sound/emu10k1.h @@ -1495,6 +1495,7 @@ struct snd_emu10k1_pcm { unsigned short first_ptr; snd_pcm_uframes_t resume_pos; struct snd_util_memblk *memblk; + unsigned int pitch_target; unsigned int start_addr; unsigned int ccca_start_addr; unsigned int capture_ipr; /* interrupt acknowledge mask */ diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index fab537788587..3ef9130a9577 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -195,6 +195,33 @@ static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) } } +static void snd_emu10k1_constrain_capture_rates(struct snd_emu10k1 *emu, + struct snd_pcm_runtime *runtime) +{ + if (emu->card_capabilities->emu_model && + emu->emu1010.word_clock == 44100) { + // This also sets the rate constraint by deleting SNDRV_PCM_RATE_KNOT + runtime->hw.rates = SNDRV_PCM_RATE_11025 | \ + SNDRV_PCM_RATE_22050 | \ + SNDRV_PCM_RATE_44100; + runtime->hw.rate_min = 11025; + runtime->hw.rate_max = 44100; + return; + } + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &hw_constraints_capture_rates); +} + +static void snd_emu1010_constrain_efx_rate(struct snd_emu10k1 *emu, + struct snd_pcm_runtime *runtime) +{ + int rate; + + rate = emu->emu1010.word_clock; + runtime->hw.rate_min = runtime->hw.rate_max = rate; + runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate); +} + static unsigned int emu10k1_calc_pitch_target(unsigned int rate) { unsigned int pitch_target; @@ -251,29 +278,22 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, const unsigned char *send_routing, const unsigned char *send_amount) { - struct snd_pcm_substream *substream = evoice->epcm->substream; - struct snd_pcm_runtime *runtime = substream->runtime; unsigned int silent_page; int voice; - unsigned int pitch_target; voice = evoice->number; - if (emu->card_capabilities->emu_model) - pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ - else - pitch_target = emu10k1_calc_pitch_target(runtime->rate); silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); snd_emu10k1_ptr_write_multiple(emu, voice, // Not really necessary for the slave, but it doesn't hurt CPF, stereo ? CPF_STEREO_MASK : 0, // Assumption that PT is already 0 so no harm overwriting PTRX, (send_amount[0] << 8) | send_amount[1], // Stereo slaves don't need to have the addresses set, but it doesn't hurt DSL, end_addr | (send_amount[3] << 24), PSST, start_addr | (send_amount[2] << 24), - CCCA, emu10k1_select_interprom(pitch_target) | + CCCA, emu10k1_select_interprom(evoice->epcm->pitch_target) | (w_16 ? 0 : CCCA_8BITSELECT), // Clear filter delay memory Z1, 0, @@ -419,6 +439,13 @@ static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) bool w_16 = snd_pcm_format_width(runtime->format) == 16; bool stereo = runtime->channels == 2; unsigned int start_addr, end_addr; + unsigned int rate; + + rate = runtime->rate; + if (emu->card_capabilities->emu_model && + emu->emu1010.word_clock == 44100) + rate = rate * 480 / 441; + epcm->pitch_target = emu10k1_calc_pitch_target(rate); start_addr = epcm->start_addr >> w_16; end_addr = start_addr + runtime->period_size; @@ -443,6 +470,8 @@ static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) unsigned int extra_size, channel_size; unsigned int i; + epcm->pitch_target = PITCH_48000; + start_addr = epcm->start_addr >> 1; // 16-bit voices extra_size = runtime->period_size; @@ -526,12 +555,16 @@ static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) epcm->capture_bs_val++; } if (epcm->type == CAPTURE_AC97ADC) { + unsigned rate = runtime->rate; + if (!(runtime->hw.rates & SNDRV_PCM_RATE_48000)) + rate = rate * 480 / 441; + epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; if (runtime->channels > 1) epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; epcm->capture_cr_val |= emu->audigy ? - snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : - snd_emu10k1_capture_rate_reg(runtime->rate); + snd_emu10k1_audigy_capture_rate_reg(rate) : + snd_emu10k1_capture_rate_reg(rate); } return 0; } @@ -670,19 +703,10 @@ static void snd_emu10k1_playback_commit_pitch(struct snd_emu10k1 *emu, static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) { - struct snd_pcm_substream *substream; - struct snd_pcm_runtime *runtime; - unsigned int voice, pitch_target; + unsigned int voice; - substream = evoice->epcm->substream; - runtime = substream->runtime; voice = evoice->number; - - if (emu->card_capabilities->emu_model) - pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ - else - pitch_target = emu10k1_calc_pitch_target(runtime->rate); - snd_emu10k1_playback_commit_pitch(emu, voice, pitch_target << 16); + snd_emu10k1_playback_commit_pitch(emu, voice, evoice->epcm->pitch_target << 16); } static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, @@ -1043,11 +1067,9 @@ static const struct snd_pcm_hardware snd_emu10k1_capture_efx = SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, - .rate_min = 44100, - .rate_max = 192000, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, .channels_min = 1, .channels_max = 16, .buffer_bytes_max = (64*1024), @@ -1144,6 +1166,8 @@ static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) runtime->private_data = epcm; runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_efx_playback; + if (emu->card_capabilities->emu_model) + snd_emu1010_constrain_efx_rate(emu, runtime); err = snd_emu10k1_playback_set_constraints(runtime); if (err < 0) { kfree(epcm); @@ -1185,8 +1209,8 @@ static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) kfree(epcm); return err; } - if (emu->card_capabilities->emu_model && emu->emu1010.clock_source == 0) - sample_rate = 44100; + if (emu->card_capabilities->emu_model) + sample_rate = emu->emu1010.word_clock; else sample_rate = 48000; err = snd_pcm_hw_rule_noresample(runtime, sample_rate); @@ -1236,11 +1260,11 @@ static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) runtime->private_data = epcm; runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_capture; + snd_emu10k1_constrain_capture_rates(emu, runtime); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, &hw_constraints_capture_buffer_sizes); emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; emu->pcm_capture_substream = substream; - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); return 0; } @@ -1313,51 +1337,25 @@ static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) substream->runtime->private_data = epcm; substream->runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_capture_efx; - runtime->hw.rates = SNDRV_PCM_RATE_48000; - runtime->hw.rate_min = runtime->hw.rate_max = 48000; if (emu->card_capabilities->emu_model) { - /* TODO - * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | - * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | - * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 - * rate_min = 44100, - * rate_max = 192000, - * Need to add mixer control to fix sample rate - * + snd_emu1010_constrain_efx_rate(emu, runtime); + /* * There are 32 mono channels of 16bits each. * 24bit Audio uses 2x channels over 16bit, * 96kHz uses 2x channels over 48kHz, * 192kHz uses 4x channels over 48kHz. * So, for 48kHz 24bit, one has 16 channels, * for 96kHz 24bit, one has 8 channels, * for 192kHz 24bit, one has 4 channels. * 1010rev2 and 1616(m) cards have double that, * but we don't exceed 16 channels anyway. */ -#if 1 - switch (emu->emu1010.clock_source) { - case 0: - /* For 44.1kHz */ - runtime->hw.rates = SNDRV_PCM_RATE_44100; - runtime->hw.rate_min = runtime->hw.rate_max = 44100; - break; - case 1: - /* For 48kHz */ - runtime->hw.rates = SNDRV_PCM_RATE_48000; - runtime->hw.rate_min = runtime->hw.rate_max = 48000; - break; - } -#endif #if 0 /* For 96kHz */ - runtime->hw.rates = SNDRV_PCM_RATE_96000; - runtime->hw.rate_min = runtime->hw.rate_max = 96000; runtime->hw.channels_min = runtime->hw.channels_max = 4; #endif #if 0 /* For 192kHz */ - runtime->hw.rates = SNDRV_PCM_RATE_192000; - runtime->hw.rate_min = runtime->hw.rate_max = 192000; runtime->hw.channels_min = runtime->hw.channels_max = 2; #endif runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;