mcbsp.h 1.8 KB

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  1. /*
  2. * arch/arm/plat-omap/include/mach/mcbsp.h
  3. *
  4. * Defines for Multi-Channel Buffered Serial Port
  5. *
  6. * Copyright (C) 2002 RidgeRun, Inc.
  7. * Author: Steve Johnson
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License as published by
  11. * the Free Software Foundation; either version 2 of the License, or
  12. * (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22. *
  23. */
  24. #ifndef __ASM_ARCH_OMAP_MCBSP_H
  25. #define __ASM_ARCH_OMAP_MCBSP_H
  26. #include <linux/spinlock.h>
  27. #include <linux/clk.h>
  28. #define MCBSP_CONFIG_TYPE2 0x2
  29. #define MCBSP_CONFIG_TYPE3 0x3
  30. #define MCBSP_CONFIG_TYPE4 0x4
  31. /* Platform specific configuration */
  32. struct omap_mcbsp_ops {
  33. void (*request)(unsigned int);
  34. void (*free)(unsigned int);
  35. };
  36. struct omap_mcbsp_platform_data {
  37. struct omap_mcbsp_ops *ops;
  38. u16 buffer_size;
  39. u8 reg_size;
  40. u8 reg_step;
  41. /* McBSP platform and instance specific features */
  42. bool has_wakeup; /* Wakeup capability */
  43. bool has_ccr; /* Transceiver has configuration control registers */
  44. int (*enable_st_clock)(unsigned int, bool);
  45. int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src);
  46. int (*mux_signal)(struct device *dev, const char *signal, const char *src);
  47. };
  48. /**
  49. * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
  50. * @sidetone: name of the sidetone device
  51. */
  52. struct omap_mcbsp_dev_attr {
  53. const char *sidetone;
  54. };
  55. #endif