cxd2820r.h 2.9 KB

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  1. /*
  2. * Sony CXD2820R demodulator driver
  3. *
  4. * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License along
  17. * with this program; if not, write to the Free Software Foundation, Inc.,
  18. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19. */
  20. #ifndef CXD2820R_H
  21. #define CXD2820R_H
  22. #include <linux/dvb/frontend.h>
  23. #define CXD2820R_GPIO_D (0 << 0) /* disable */
  24. #define CXD2820R_GPIO_E (1 << 0) /* enable */
  25. #define CXD2820R_GPIO_O (0 << 1) /* output */
  26. #define CXD2820R_GPIO_I (1 << 1) /* input */
  27. #define CXD2820R_GPIO_L (0 << 2) /* output low */
  28. #define CXD2820R_GPIO_H (1 << 2) /* output high */
  29. #define CXD2820R_TS_SERIAL 0x08
  30. #define CXD2820R_TS_SERIAL_MSB 0x28
  31. #define CXD2820R_TS_PARALLEL 0x30
  32. #define CXD2820R_TS_PARALLEL_MSB 0x70
  33. /*
  34. * I2C address: 0x6c, 0x6d
  35. */
  36. /**
  37. * struct cxd2820r_platform_data - Platform data for the cxd2820r driver
  38. * @ts_mode: TS mode.
  39. * @ts_clk_inv: TS clock inverted.
  40. * @if_agc_polarity: IF AGC polarity.
  41. * @spec_inv: Input spectrum inverted.
  42. * @gpio_chip_base: GPIO.
  43. * @get_dvb_frontend: Get DVB frontend.
  44. */
  45. struct cxd2820r_platform_data {
  46. u8 ts_mode;
  47. bool ts_clk_inv;
  48. bool if_agc_polarity;
  49. bool spec_inv;
  50. int **gpio_chip_base;
  51. struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
  52. /* private: For legacy media attach wrapper. Do not set value. */
  53. bool attach_in_use;
  54. };
  55. struct cxd2820r_config {
  56. /* Demodulator I2C address.
  57. * Driver determines DVB-C slave I2C address automatically from master
  58. * address.
  59. * Default: none, must set
  60. * Values: 0x6c, 0x6d
  61. */
  62. u8 i2c_address;
  63. /* TS output mode.
  64. * Default: none, must set.
  65. * Values:
  66. */
  67. u8 ts_mode;
  68. /* TS clock inverted.
  69. * Default: 0
  70. * Values: 0, 1
  71. */
  72. bool ts_clock_inv;
  73. /* IF AGC polarity.
  74. * Default: 0
  75. * Values: 0, 1
  76. */
  77. bool if_agc_polarity;
  78. /* Spectrum inversion.
  79. * Default: 0
  80. * Values: 0, 1
  81. */
  82. bool spec_inv;
  83. };
  84. #if IS_REACHABLE(CONFIG_DVB_CXD2820R)
  85. extern struct dvb_frontend *cxd2820r_attach(
  86. const struct cxd2820r_config *config,
  87. struct i2c_adapter *i2c,
  88. int *gpio_chip_base
  89. );
  90. #else
  91. static inline struct dvb_frontend *cxd2820r_attach(
  92. const struct cxd2820r_config *config,
  93. struct i2c_adapter *i2c,
  94. int *gpio_chip_base
  95. )
  96. {
  97. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  98. return NULL;
  99. }
  100. #endif
  101. #endif /* CXD2820R_H */