diff options
Diffstat (limited to 'tutorials/sndkit/sblive/ld10k.c')
| -rw-r--r-- | tutorials/sndkit/sblive/ld10k.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/tutorials/sndkit/sblive/ld10k.c b/tutorials/sndkit/sblive/ld10k.c new file mode 100644 index 0000000..d01dc2c --- /dev/null +++ b/tutorials/sndkit/sblive/ld10k.c @@ -0,0 +1,220 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <sys/ioctl.h> + +#include <soundcard.h> +#ifdef USERLAND +#define oss_native_word unsigned long +#define oss_mutex_t unsigned long +#define oss_device_t unsigned long +#define ac97_devc unsigned long +#define oss_midi_inputbyte_t char +#define uart401_devc unsigned long +typedef int oss_mutex; +typedef void *oss_dma_handle_t; +#else +#include "../../../kernel/framework/include/os.h" +#endif /* USERLAND */ +#include "../../../kernel/drv/oss_sblive/sblive.h" + +int work_done = 0; +int ossfd; +emu10k1_file fle; + +static int +find_last_device (void) +{ + oss_sysinfo info; + int mixerfd; + + if ((mixerfd = open ("/dev/mixer0", O_RDWR, 0)) == -1) + { + perror ("/dev/mixer0"); + return 0; + } + + if (ioctl (mixerfd, SNDCTL_SYSINFO, &info) == -1) + { + perror ("SNDCTL_SYSINFO"); + exit (-1); + } + + close (mixerfd); + return info.numaudios - 1; +} + +static void +touch_all_mixers (int ossfd) +{ + int i, n; + + for (i = 0; i < 16; i++) + { + n = i; + if (ioctl (ossfd, SNDCTL_MIX_NREXT, &n) == -1) + return; + } +} + +static void +do_download (void) +{ + int card_type; + + if (ioctl (ossfd, SBLIVE_GETCHIPTYPE, &card_type) == -1) + { + perror ("???"); + return; + } + + if (card_type != fle.feature_mask) + { + fprintf (stderr, "Device/file incompatibility (%x/%x)\n", card_type, + fle.feature_mask); + return; + } + + if (ioctl (ossfd, SBLIVE_WRITECODE1, fle.code) == -1) + { + perror ("code1"); + return; + } + + if (ioctl (ossfd, SBLIVE_WRITECODE2, fle.code + 512) == -1) + { + perror ("code2"); + return; + } + + if (fle.parms.ngpr > 0) + { + if (ioctl (ossfd, SBLIVE_WRITEPARMS, &fle.parms) == -1) + { + perror ("parms"); + return; + } + + touch_all_mixers (ossfd); + } + + if (fle.consts.nconst > 0) + { + if (ioctl (ossfd, SBLIVE_WRITECONST, &fle.consts) == -1) + { + perror ("consts"); + return; + } + + } + work_done = 1; +} + +static void +do_all_devices (void) +{ + int i, mixerfd; + oss_sysinfo info; + char dspname[100]; + + if ((mixerfd = open ("/dev/mixer0", O_RDWR, 0)) == -1) + { + perror ("/dev/mixer"); + exit (-1); + } + + if (ioctl (mixerfd, SNDCTL_SYSINFO, &info) == -1) + { + perror ("SNDCTL_SYSINFO"); + exit (-1); + } + + for (i = 0; i < info.numaudios; i++) + { + oss_audioinfo ainfo; + int acc; + + ainfo.dev = i; + if (ioctl (mixerfd, SNDCTL_AUDIOINFO, &ainfo) == -1) + { + perror ("SNDCTL_AUDIOINFO"); + exit (-1); + } + + if (ainfo.magic == fle.magic) + { + + sprintf (dspname, "/dev/dsp%d", i); + if ((ossfd = open (dspname, O_RDWR, 0)) == -1) + { + perror (dspname); + exit (-1); + } + + do_download (); + close (ossfd); + } + } + close (mixerfd); +} + +int +main (int argc, char *argv[]) +{ + int fd, dspnum = 0; + char *dspname = "/dev/dsp", namebuf[32]; + + if (argc < 2) + { + fprintf (stderr, "Usage: %s dspcodefile\n", argv[0]); + exit (-1); + } + + if ((fd = open (argv[1], O_RDONLY, 0)) == -1) + { + perror (argv[1]); + exit (-1); + } + + if (argc > 2) + dspname = argv[2]; + + if (read (fd, &fle, sizeof (fle)) != sizeof (fle)) + { + fprintf (stderr, "Short file\n"); + exit (-1); + } + + if (fle.magic != EMU10K1_MAGIC && fle.magic != EMU10K2_MAGIC) + { + fprintf (stderr, "Bad microcode file %s\n", argv[1]); + exit (-1); + } + + if (strcmp (dspname, "-a") == 0) + { + do_all_devices (); + exit (0); + } + + if (strcmp (dspname, "-l") == 0) + { /* Last /dev/dsp# file requested */ + dspnum = find_last_device (); + sprintf (namebuf, "/dev/dsp%d", dspnum); + dspname = namebuf; + } + + if ((ossfd = open (dspname, O_RDWR, 0)) == -1) + { + perror (dspname); + exit (-1); + } + + do_download (); + + if (!work_done) + exit (-1); + exit (0); +} |