au8522.h 2.3 KB

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  1. /*
  2. Auvitek AU8522 QAM/8VSB demodulator driver
  3. Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
  4. This program is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15. */
  16. #ifndef __AU8522_H__
  17. #define __AU8522_H__
  18. #include <linux/dvb/frontend.h>
  19. enum au8522_if_freq {
  20. AU8522_IF_6MHZ = 0,
  21. AU8522_IF_4MHZ,
  22. AU8522_IF_3_25MHZ,
  23. };
  24. struct au8522_led_config {
  25. u16 vsb8_strong;
  26. u16 qam64_strong;
  27. u16 qam256_strong;
  28. u16 gpio_output;
  29. /* unset hi bits, set low bits */
  30. u16 gpio_output_enable;
  31. u16 gpio_output_disable;
  32. u16 gpio_leds;
  33. u8 *led_states;
  34. unsigned int num_led_states;
  35. };
  36. struct au8522_config {
  37. /* the demodulator's i2c address */
  38. u8 demod_address;
  39. /* Return lock status based on tuner lock, or demod lock */
  40. #define AU8522_TUNERLOCKING 0
  41. #define AU8522_DEMODLOCKING 1
  42. u8 status_mode;
  43. struct au8522_led_config *led_cfg;
  44. enum au8522_if_freq vsb_if;
  45. enum au8522_if_freq qam_if;
  46. };
  47. #if defined(CONFIG_DVB_AU8522) || \
  48. (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
  49. extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  50. struct i2c_adapter *i2c);
  51. #else
  52. static inline
  53. struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  54. struct i2c_adapter *i2c)
  55. {
  56. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  57. return NULL;
  58. }
  59. #endif /* CONFIG_DVB_AU8522 */
  60. /* Other modes may need to be added later */
  61. enum au8522_video_input {
  62. AU8522_COMPOSITE_CH1 = 1,
  63. AU8522_COMPOSITE_CH2,
  64. AU8522_COMPOSITE_CH3,
  65. AU8522_COMPOSITE_CH4,
  66. AU8522_COMPOSITE_CH4_SIF,
  67. AU8522_SVIDEO_CH13,
  68. AU8522_SVIDEO_CH24,
  69. };
  70. enum au8522_audio_input {
  71. AU8522_AUDIO_NONE,
  72. AU8522_AUDIO_SIF,
  73. };
  74. #endif /* __AU8522_H__ */
  75. /*
  76. * Local variables:
  77. * c-basic-offset: 8
  78. */