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author | Clemens Ladisch <clemens@ladisch.de> | 2006-11-06 09:18:34 +0100 |
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committer | Jaroslav Kysela <perex@suse.cz> | 2007-02-09 09:01:14 +0100 |
commit | de66d53e46f39de6ea3261609fdb92900bb34a42 (patch) | |
tree | 5d1530a9e52e51784ca0fd59619ffc4aa41020fc /sound/isa/sb | |
parent | 219e281f4627a395aaceff0e4a257cd18608e145 (diff) | |
download | op-kernel-dev-de66d53e46f39de6ea3261609fdb92900bb34a42.zip op-kernel-dev-de66d53e46f39de6ea3261609fdb92900bb34a42.tar.gz |
[ALSA] sb16: add request_firmware()
Load the CSP programs using request_firmware(), if possible, instead of
using the built-in firmware blobs.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/isa/sb')
-rw-r--r-- | sound/isa/sb/sb16_csp.c | 61 |
1 files changed, 53 insertions, 8 deletions
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index fcd6380..3d9d7e0 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -161,10 +161,13 @@ int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep) */ static void snd_sb_csp_free(struct snd_hwdep *hwdep) { + int i; struct snd_sb_csp *p = hwdep->private_data; if (p) { if (p->running & SNDRV_SB_CSP_ST_RUNNING) snd_sb_csp_stop(p); + for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i) + release_firmware(p->csp_programs[i]); kfree(p); } } @@ -687,8 +690,50 @@ static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __use return err; } +#define FIRMWARE_IN_THE_KERNEL + +#ifdef FIRMWARE_IN_THE_KERNEL #include "sb16_csp_codecs.h" +static const struct firmware snd_sb_csp_static_programs[] = { + { .data = mulaw_main, .size = sizeof mulaw_main }, + { .data = alaw_main, .size = sizeof alaw_main }, + { .data = ima_adpcm_init, .size = sizeof ima_adpcm_init }, + { .data = ima_adpcm_playback, .size = sizeof ima_adpcm_playback }, + { .data = ima_adpcm_capture, .size = sizeof ima_adpcm_capture }, +}; +#endif + +static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags) +{ + static const char *const names[] = { + "sb16/mulaw_main.csp", + "sb16/alaw_main.csp", + "sb16/ima_adpcm_init.csp", + "sb16/ima_adpcm_playback.csp", + "sb16/ima_adpcm_capture.csp", + }; + const struct firmware *program; + int err; + + BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT); + program = p->csp_programs[index]; + if (!program) { + err = request_firmware(&program, names[index], + p->chip->card->dev); + if (err >= 0) + p->csp_programs[index] = program; + else { +#ifdef FIRMWARE_IN_THE_KERNEL + program = &snd_sb_csp_static_programs[index]; +#else + return err; +#endif + } + } + return snd_sb_csp_load(p, program->data, program->size, flags); +} + /* * autoload hardware codec if necessary * return 0 if CSP is loaded and ready to run (p->running != 0) @@ -708,27 +753,27 @@ static int snd_sb_csp_autoload(struct snd_sb_csp * p, int pcm_sfmt, int play_rec } else { switch (pcm_sfmt) { case SNDRV_PCM_FORMAT_MU_LAW: - err = snd_sb_csp_load(p, &mulaw_main[0], sizeof(mulaw_main), 0); + err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0); p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; break; case SNDRV_PCM_FORMAT_A_LAW: - err = snd_sb_csp_load(p, &alaw_main[0], sizeof(alaw_main), 0); + err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0); p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; break; case SNDRV_PCM_FORMAT_IMA_ADPCM: - err = snd_sb_csp_load(p, &ima_adpcm_init[0], sizeof(ima_adpcm_init), - SNDRV_SB_CSP_LOAD_INITBLOCK); + err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT, + SNDRV_SB_CSP_LOAD_INITBLOCK); if (err) break; if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) { - err = snd_sb_csp_load(p, &ima_adpcm_playback[0], - sizeof(ima_adpcm_playback), 0); + err = snd_sb_csp_firmware_load + (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0); p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE; } else { - err = snd_sb_csp_load(p, &ima_adpcm_capture[0], - sizeof(ima_adpcm_capture), 0); + err = snd_sb_csp_firmware_load + (p, CSP_PROGRAM_ADPCM_CAPTURE, 0); p->mode = SNDRV_SB_CSP_MODE_DSP_READ; } p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; |