dw_mipi_dsi.h 1.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (C) STMicroelectronics SA 2017
  4. *
  5. * Authors: Philippe Cornu <[email protected]>
  6. * Yannick Fertre <[email protected]>
  7. */
  8. #ifndef __DW_MIPI_DSI__
  9. #define __DW_MIPI_DSI__
  10. #include <linux/types.h>
  11. #include <drm/drm_modes.h>
  12. struct drm_display_mode;
  13. struct drm_encoder;
  14. struct dw_mipi_dsi;
  15. struct mipi_dsi_device;
  16. struct platform_device;
  17. struct dw_mipi_dsi_dphy_timing {
  18. u16 data_hs2lp;
  19. u16 data_lp2hs;
  20. u16 clk_hs2lp;
  21. u16 clk_lp2hs;
  22. };
  23. struct dw_mipi_dsi_phy_ops {
  24. int (*init)(void *priv_data);
  25. void (*power_on)(void *priv_data);
  26. void (*power_off)(void *priv_data);
  27. int (*get_lane_mbps)(void *priv_data,
  28. const struct drm_display_mode *mode,
  29. unsigned long mode_flags, u32 lanes, u32 format,
  30. unsigned int *lane_mbps);
  31. int (*get_timing)(void *priv_data, unsigned int lane_mbps,
  32. struct dw_mipi_dsi_dphy_timing *timing);
  33. int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);
  34. };
  35. struct dw_mipi_dsi_host_ops {
  36. int (*attach)(void *priv_data,
  37. struct mipi_dsi_device *dsi);
  38. int (*detach)(void *priv_data,
  39. struct mipi_dsi_device *dsi);
  40. };
  41. struct dw_mipi_dsi_plat_data {
  42. void __iomem *base;
  43. unsigned int max_data_lanes;
  44. enum drm_mode_status (*mode_valid)(void *priv_data,
  45. const struct drm_display_mode *mode,
  46. unsigned long mode_flags,
  47. u32 lanes, u32 format);
  48. const struct dw_mipi_dsi_phy_ops *phy_ops;
  49. const struct dw_mipi_dsi_host_ops *host_ops;
  50. void *priv_data;
  51. };
  52. struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
  53. const struct dw_mipi_dsi_plat_data
  54. *plat_data);
  55. void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
  56. int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
  57. void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
  58. void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
  59. #endif /* __DW_MIPI_DSI__ */