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display-drivers
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msm
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sde
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sde_irq.h

sde_irq.h 1.4 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef __SDE_IRQ_H__
    7. 

  7. #define __SDE_IRQ_H__
    8. 

  8. 

  9. #include <linux/kernel.h>
    10. 

  10. #include <linux/irqdomain.h>
    11. 

  11. 

  12. #include "msm_kms.h"
    13. 

  13. 

  14. /**
    15. 

  15.  * sde_irq_controller - define MDSS level interrupt controller context
    16. 

  16.  * @enabled_mask:	enable status of MDSS level interrupt
    17. 

  17.  * @domain:		interrupt domain of this controller
    18. 

  18.  */
    19. 

  19. struct sde_irq_controller {
    20. 

  20. 	unsigned long enabled_mask;
    21. 

  21. 	struct irq_domain *domain;
    22. 

  22. };
    23. 

  23. 

  24. /**
    25. 

  25.  * sde_irq_preinstall - perform pre-installation of MDSS IRQ handler
    26. 

  26.  * @kms:		pointer to kms context
    27. 

  27.  * @return:		none
    28. 

  28.  */
    29. 

  29. void sde_irq_preinstall(struct msm_kms *kms);
    30. 

  30. 

  31. /**
    32. 

  32.  * sde_irq_postinstall - perform post-installation of MDSS IRQ handler
    33. 

  33.  * @kms:		pointer to kms context
    34. 

  34.  * @return:		0 if success; error code otherwise
    35. 

  35.  */
    36. 

  36. int sde_irq_postinstall(struct msm_kms *kms);
    37. 

  37. 

  38. /**
    39. 

  39.  * sde_irq_uninstall - uninstall MDSS IRQ handler
    40. 

  40.  * @drm_dev:		pointer to kms context
    41. 

  41.  * @return:		none
    42. 

  42.  */
    43. 

  43. void sde_irq_uninstall(struct msm_kms *kms);
    44. 

  44. 

  45. /**
    46. 

  46.  * sde_irq - MDSS level IRQ handler
    47. 

  47.  * @kms:		pointer to kms context
    48. 

  48.  * @return:		interrupt handling status
    49. 

  49.  */
    50. 

  50. irqreturn_t sde_irq(struct msm_kms *kms);
    51. 

  51. 

  52. /**
    53. 

  53.  * sde_irq_update - enable/disable IRQ line
    54. 

  54.  * @kms:		pointer to kms context
    55. 

  55.  * @enable:		enable:true, disable:false
    56. 

  56.  */
    57. 

  57. void sde_irq_update(struct msm_kms *kms, bool enable);
    58. 

  58. 

  59. #endif /* __SDE_IRQ_H__ */
    60.