From c57cccc0382fedd95373ffdb192f45d278210686 Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Mon, 21 Jan 2008 08:54:06 +0100 Subject: [PATCH] [ALSA] oxygen: optimize snd_pcm_hardware structures Add one more indirection to the lookup of the snd_pcm_hardware structures so that we can save the space of the duplicate ones. Signed-off-by: Clemens Ladisch Signed-off-by: Jaroslav Kysela --- sound/pci/oxygen/oxygen_pcm.c | 229 +++++++++++++++--------------------------- 1 file changed, 79 insertions(+), 150 deletions(-) diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c index 2002900..272ef08 100644 --- a/sound/pci/oxygen/oxygen_pcm.c +++ b/sound/pci/oxygen/oxygen_pcm.c @@ -24,155 +24,84 @@ #include #include "oxygen.h" -static struct snd_pcm_hardware oxygen_hardware[PCM_COUNT] = { - [PCM_A] = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_64000 | - SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_176400 | - SNDRV_PCM_RATE_192000, - .rate_min = 32000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 256 * 1024, - .period_bytes_min = 128, - .period_bytes_max = 128 * 1024, - .periods_min = 2, - .periods_max = 2048, - }, - [PCM_B] = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_64000 | - SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_176400 | - SNDRV_PCM_RATE_192000, - .rate_min = 32000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 256 * 1024, - .period_bytes_min = 128, - .period_bytes_max = 128 * 1024, - .periods_min = 2, - .periods_max = 2048, - }, - [PCM_C] = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_64000 | - SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_176400 | - SNDRV_PCM_RATE_192000, - .rate_min = 32000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 256 * 1024, - .period_bytes_min = 128, - .period_bytes_max = 128 * 1024, - .periods_min = 2, - .periods_max = 2048, - }, - [PCM_SPDIF] = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_64000 | - SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_176400 | - SNDRV_PCM_RATE_192000, - .rate_min = 32000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 256 * 1024, - .period_bytes_min = 128, - .period_bytes_max = 128 * 1024, - .periods_min = 2, - .periods_max = 2048, - }, - [PCM_MULTICH] = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_64000 | - SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_176400 | - SNDRV_PCM_RATE_192000, - .rate_min = 32000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 8, - .buffer_bytes_max = 2048 * 1024, - .period_bytes_min = 128, - .period_bytes_max = 256 * 1024, - .periods_min = 2, - .periods_max = 16384, - }, - [PCM_AC97] = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_48000, - .rate_min = 48000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 256 * 1024, - .period_bytes_min = 128, - .period_bytes_max = 128 * 1024, - .periods_min = 2, - .periods_max = 2048, - }, +static const struct snd_pcm_hardware oxygen_stereo_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_SYNC_START, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + .rates = SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | + SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_176400 | + SNDRV_PCM_RATE_192000, + .rate_min = 32000, + .rate_max = 192000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 256 * 1024, + .period_bytes_min = 128, + .period_bytes_max = 128 * 1024, + .periods_min = 2, + .periods_max = 2048, +}; +static const struct snd_pcm_hardware oxygen_multichannel_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_SYNC_START, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + .rates = SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | + SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_176400 | + SNDRV_PCM_RATE_192000, + .rate_min = 32000, + .rate_max = 192000, + .channels_min = 2, + .channels_max = 8, + .buffer_bytes_max = 2048 * 1024, + .period_bytes_min = 128, + .period_bytes_max = 256 * 1024, + .periods_min = 2, + .periods_max = 16384, +}; +static const struct snd_pcm_hardware oxygen_ac97_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_SYNC_START, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 256 * 1024, + .period_bytes_min = 128, + .period_bytes_max = 128 * 1024, + .periods_min = 2, + .periods_max = 2048, +}; + +static const struct snd_pcm_hardware *const oxygen_hardware[PCM_COUNT] = { + [PCM_A] = &oxygen_stereo_hardware, + [PCM_B] = &oxygen_stereo_hardware, + [PCM_C] = &oxygen_stereo_hardware, + [PCM_SPDIF] = &oxygen_stereo_hardware, + [PCM_MULTICH] = &oxygen_multichannel_hardware, + [PCM_AC97] = &oxygen_ac97_hardware, }; static inline unsigned int @@ -189,7 +118,7 @@ static int oxygen_open(struct snd_pcm_substream *substream, int err; runtime->private_data = (void *)(uintptr_t)channel; - runtime->hw = oxygen_hardware[channel]; + runtime->hw = *oxygen_hardware[channel]; if (chip->model->pcm_hardware_filter) chip->model->pcm_hardware_filter(channel, &runtime->hw); err = snd_pcm_hw_constraint_step(runtime, 0, -- 2.7.4