bat_trats.c 1.8 KB

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  1. /*
  2. * Copyright (C) 2012 Samsung Electronics
  3. * Lukasz Majewski <l.majewski@samsung.com>
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. #include <common.h>
  8. #include <console.h>
  9. #include <power/pmic.h>
  10. #include <power/battery.h>
  11. #include <power/max8997_pmic.h>
  12. #include <errno.h>
  13. static struct battery battery_trats;
  14. static int power_battery_charge(struct pmic *bat)
  15. {
  16. struct power_battery *p_bat = bat->pbat;
  17. struct battery *battery = p_bat->bat;
  18. int k;
  19. if (bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_ENABLE, 450))
  20. return -1;
  21. for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
  22. bat->chrg->chrg_type(p_bat->muic) &&
  23. battery->state_of_chrg < 100; k++) {
  24. udelay(2000000);
  25. if (!(k % 5))
  26. puts(".");
  27. bat->fg->fg_battery_update(p_bat->fg, bat);
  28. if (k == 200) {
  29. debug(" %d [V]", battery->voltage_uV);
  30. puts("\n");
  31. k = 0;
  32. }
  33. if (ctrlc()) {
  34. printf("\nCharging disabled on request.\n");
  35. goto exit;
  36. }
  37. }
  38. exit:
  39. bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_DISABLE, 0);
  40. return 0;
  41. }
  42. static int power_battery_init_trats(struct pmic *bat_,
  43. struct pmic *fg_,
  44. struct pmic *chrg_,
  45. struct pmic *muic_)
  46. {
  47. bat_->pbat->fg = fg_;
  48. bat_->pbat->chrg = chrg_;
  49. bat_->pbat->muic = muic_;
  50. bat_->fg = fg_->fg;
  51. bat_->chrg = chrg_->chrg;
  52. bat_->chrg->chrg_type = muic_->chrg->chrg_type;
  53. return 0;
  54. }
  55. static struct power_battery power_bat_trats = {
  56. .bat = &battery_trats,
  57. .battery_init = power_battery_init_trats,
  58. .battery_charge = power_battery_charge,
  59. };
  60. int power_bat_init(unsigned char bus)
  61. {
  62. static const char name[] = "BAT_TRATS";
  63. struct pmic *p = pmic_alloc();
  64. if (!p) {
  65. printf("%s: POWER allocation error!\n", __func__);
  66. return -ENOMEM;
  67. }
  68. debug("Board BAT init\n");
  69. p->interface = PMIC_NONE;
  70. p->name = name;
  71. p->bus = bus;
  72. p->pbat = &power_bat_trats;
  73. return 0;
  74. }