lm3533.h 2.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * lm3533.h -- LM3533 interface
  4. *
  5. * Copyright (C) 2011-2012 Texas Instruments
  6. *
  7. * Author: Johan Hovold <[email protected]>
  8. */
  9. #ifndef __LINUX_MFD_LM3533_H
  10. #define __LINUX_MFD_LM3533_H
  11. #define LM3533_ATTR_RO(_name) \
  12. DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL)
  13. #define LM3533_ATTR_RW(_name) \
  14. DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name)
  15. struct device;
  16. struct regmap;
  17. struct lm3533 {
  18. struct device *dev;
  19. struct regmap *regmap;
  20. int gpio_hwen;
  21. int irq;
  22. unsigned have_als:1;
  23. unsigned have_backlights:1;
  24. unsigned have_leds:1;
  25. };
  26. struct lm3533_ctrlbank {
  27. struct lm3533 *lm3533;
  28. struct device *dev;
  29. int id;
  30. };
  31. struct lm3533_als_platform_data {
  32. unsigned pwm_mode:1; /* PWM input mode (default analog) */
  33. u8 r_select; /* 1 - 127 (ignored in PWM-mode) */
  34. };
  35. struct lm3533_bl_platform_data {
  36. char *name;
  37. u16 max_current; /* 5000 - 29800 uA (800 uA step) */
  38. u8 default_brightness; /* 0 - 255 */
  39. u8 pwm; /* 0 - 0x3f */
  40. };
  41. struct lm3533_led_platform_data {
  42. char *name;
  43. const char *default_trigger;
  44. u16 max_current; /* 5000 - 29800 uA (800 uA step) */
  45. u8 pwm; /* 0 - 0x3f */
  46. };
  47. enum lm3533_boost_freq {
  48. LM3533_BOOST_FREQ_500KHZ,
  49. LM3533_BOOST_FREQ_1000KHZ,
  50. };
  51. enum lm3533_boost_ovp {
  52. LM3533_BOOST_OVP_16V,
  53. LM3533_BOOST_OVP_24V,
  54. LM3533_BOOST_OVP_32V,
  55. LM3533_BOOST_OVP_40V,
  56. };
  57. struct lm3533_platform_data {
  58. int gpio_hwen;
  59. enum lm3533_boost_ovp boost_ovp;
  60. enum lm3533_boost_freq boost_freq;
  61. struct lm3533_als_platform_data *als;
  62. struct lm3533_bl_platform_data *backlights;
  63. int num_backlights;
  64. struct lm3533_led_platform_data *leds;
  65. int num_leds;
  66. };
  67. extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
  68. extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
  69. extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
  70. extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
  71. extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
  72. u16 imax);
  73. extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
  74. extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
  75. extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
  76. extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
  77. extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
  78. #endif /* __LINUX_MFD_LM3533_H */