diff options
| -rw-r--r-- | include/sound/sb16_csp.h | 14 | ||||
| -rw-r--r-- | sound/isa/Kconfig | 1 | ||||
| -rw-r--r-- | sound/isa/sb/sb16_csp.c | 61 |
3 files changed, 68 insertions, 8 deletions
diff --git a/include/sound/sb16_csp.h b/include/sound/sb16_csp.h index caf6fe2..736eac7 100644 --- a/include/sound/sb16_csp.h +++ b/include/sound/sb16_csp.h @@ -114,9 +114,21 @@ struct snd_sb_csp_info { #ifdef __KERNEL__ #include "sb.h" #include "hwdep.h" +#include <linux/firmware.h> struct snd_sb_csp; +/* indices for the known CSP programs */ +enum { + CSP_PROGRAM_MULAW, + CSP_PROGRAM_ALAW, + CSP_PROGRAM_ADPCM_INIT, + CSP_PROGRAM_ADPCM_PLAYBACK, + CSP_PROGRAM_ADPCM_CAPTURE, + + CSP_PROGRAM_COUNT +}; + /* * CSP operators */ @@ -159,6 +171,8 @@ struct snd_sb_csp { struct snd_kcontrol *qsound_space; struct mutex access_mutex; /* locking */ + + const struct firmware *csp_programs[CSP_PROGRAM_COUNT]; }; int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep); diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index 57371f1..565ed2a 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -358,6 +358,7 @@ config SND_SBAWE config SND_SB16_CSP bool "Sound Blaster 16/AWE CSP support" depends on (SND_SB16 || SND_SBAWE) && (BROKEN || !PPC) + select FW_LOADER help Say Y here to include support for the CSP core. This special coprocessor can do variable tasks like various compression and 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; |
