sound.c 1.5 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2012 Samsung Electronics
  4. * Rajeshwari Shinde <rajeshwari.s@samsung.com>
  5. */
  6. #include <common.h>
  7. #include <command.h>
  8. #include <fdtdec.h>
  9. #include <sound.h>
  10. DECLARE_GLOBAL_DATA_PTR;
  11. /* Initilaise sound subsystem */
  12. static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  13. {
  14. int ret;
  15. ret = sound_init(gd->fdt_blob);
  16. if (ret) {
  17. printf("Initialise Audio driver failed\n");
  18. return CMD_RET_FAILURE;
  19. }
  20. return 0;
  21. }
  22. /* play sound from buffer */
  23. static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  24. {
  25. int ret = 0;
  26. int msec = 1000;
  27. int freq = 400;
  28. if (argc > 1)
  29. msec = simple_strtoul(argv[1], NULL, 10);
  30. if (argc > 2)
  31. freq = simple_strtoul(argv[2], NULL, 10);
  32. ret = sound_play(msec, freq);
  33. if (ret) {
  34. printf("play failed");
  35. return CMD_RET_FAILURE;
  36. }
  37. return 0;
  38. }
  39. static cmd_tbl_t cmd_sound_sub[] = {
  40. U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
  41. U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""),
  42. };
  43. /* process sound command */
  44. static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  45. {
  46. cmd_tbl_t *c;
  47. if (argc < 1)
  48. return CMD_RET_USAGE;
  49. /* Strip off leading 'sound' command argument */
  50. argc--;
  51. argv++;
  52. c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
  53. if (c)
  54. return c->cmd(cmdtp, flag, argc, argv);
  55. else
  56. return CMD_RET_USAGE;
  57. }
  58. U_BOOT_CMD(
  59. sound, 4, 1, do_sound,
  60. "sound sub-system",
  61. "init - initialise the sound driver\n"
  62. "sound play [len] [freq] - play a sound for len ms at freq hz\n"
  63. );