1b5626f6fSThomas Zimmermann /* SPDX-License-Identifier: GPL-2.0-only */ 2b5626f6fSThomas Zimmermann 3b5626f6fSThomas Zimmermann #ifndef DRM_SYSFB_HELPER_H 4b5626f6fSThomas Zimmermann #define DRM_SYSFB_HELPER_H 5b5626f6fSThomas Zimmermann 6b5626f6fSThomas Zimmermann #include <linux/container_of.h> 7b5626f6fSThomas Zimmermann #include <linux/iosys-map.h> 8b5626f6fSThomas Zimmermann 9*68ab3253SThomas Zimmermann #include <drm/drm_crtc.h> 10b5626f6fSThomas Zimmermann #include <drm/drm_device.h> 11b5626f6fSThomas Zimmermann #include <drm/drm_modes.h> 12b5626f6fSThomas Zimmermann 13b5626f6fSThomas Zimmermann struct drm_format_info; 14b5626f6fSThomas Zimmermann 15333376e9SThomas Zimmermann struct drm_display_mode drm_sysfb_mode(unsigned int width, 16333376e9SThomas Zimmermann unsigned int height, 17333376e9SThomas Zimmermann unsigned int width_mm, 18333376e9SThomas Zimmermann unsigned int height_mm); 19333376e9SThomas Zimmermann 20b5626f6fSThomas Zimmermann /* 21b5626f6fSThomas Zimmermann * Device 22b5626f6fSThomas Zimmermann */ 23b5626f6fSThomas Zimmermann 24b5626f6fSThomas Zimmermann struct drm_sysfb_device { 25b5626f6fSThomas Zimmermann struct drm_device dev; 26b5626f6fSThomas Zimmermann 27b5626f6fSThomas Zimmermann /* hardware settings */ 28b5626f6fSThomas Zimmermann struct drm_display_mode fb_mode; 29b5626f6fSThomas Zimmermann const struct drm_format_info *fb_format; 30b5626f6fSThomas Zimmermann unsigned int fb_pitch; 31b5626f6fSThomas Zimmermann 32b5626f6fSThomas Zimmermann /* hardware-framebuffer kernel address */ 33b5626f6fSThomas Zimmermann struct iosys_map fb_addr; 34b5626f6fSThomas Zimmermann }; 35b5626f6fSThomas Zimmermann 36b5626f6fSThomas Zimmermann static inline struct drm_sysfb_device *to_drm_sysfb_device(struct drm_device *dev) 37b5626f6fSThomas Zimmermann { 38b5626f6fSThomas Zimmermann return container_of(dev, struct drm_sysfb_device, dev); 39b5626f6fSThomas Zimmermann } 40b5626f6fSThomas Zimmermann 41559d105fSThomas Zimmermann /* 42*68ab3253SThomas Zimmermann * CRTC 43*68ab3253SThomas Zimmermann */ 44*68ab3253SThomas Zimmermann 45*68ab3253SThomas Zimmermann struct drm_sysfb_crtc_state { 46*68ab3253SThomas Zimmermann struct drm_crtc_state base; 47*68ab3253SThomas Zimmermann 48*68ab3253SThomas Zimmermann /* Primary-plane format; required for color mgmt. */ 49*68ab3253SThomas Zimmermann const struct drm_format_info *format; 50*68ab3253SThomas Zimmermann }; 51*68ab3253SThomas Zimmermann 52*68ab3253SThomas Zimmermann static inline struct drm_sysfb_crtc_state * 53*68ab3253SThomas Zimmermann to_drm_sysfb_crtc_state(struct drm_crtc_state *base) 54*68ab3253SThomas Zimmermann { 55*68ab3253SThomas Zimmermann return container_of(base, struct drm_sysfb_crtc_state, base); 56*68ab3253SThomas Zimmermann } 57*68ab3253SThomas Zimmermann 58*68ab3253SThomas Zimmermann void drm_sysfb_crtc_reset(struct drm_crtc *crtc); 59*68ab3253SThomas Zimmermann struct drm_crtc_state *drm_sysfb_crtc_atomic_duplicate_state(struct drm_crtc *crtc); 60*68ab3253SThomas Zimmermann void drm_sysfb_crtc_atomic_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state); 61*68ab3253SThomas Zimmermann 62*68ab3253SThomas Zimmermann #define DRM_SYSFB_CRTC_FUNCS \ 63*68ab3253SThomas Zimmermann .reset = drm_sysfb_crtc_reset, \ 64*68ab3253SThomas Zimmermann .set_config = drm_atomic_helper_set_config, \ 65*68ab3253SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, \ 66*68ab3253SThomas Zimmermann .atomic_duplicate_state = drm_sysfb_crtc_atomic_duplicate_state, \ 67*68ab3253SThomas Zimmermann .atomic_destroy_state = drm_sysfb_crtc_atomic_destroy_state 68*68ab3253SThomas Zimmermann 69*68ab3253SThomas Zimmermann /* 7001e48e52SThomas Zimmermann * Connector 7101e48e52SThomas Zimmermann */ 7201e48e52SThomas Zimmermann 7301e48e52SThomas Zimmermann int drm_sysfb_connector_helper_get_modes(struct drm_connector *connector); 7401e48e52SThomas Zimmermann 7501e48e52SThomas Zimmermann #define DRM_SYSFB_CONNECTOR_HELPER_FUNCS \ 7601e48e52SThomas Zimmermann .get_modes = drm_sysfb_connector_helper_get_modes 7701e48e52SThomas Zimmermann 7801e48e52SThomas Zimmermann #define DRM_SYSFB_CONNECTOR_FUNCS \ 7901e48e52SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, \ 8001e48e52SThomas Zimmermann .fill_modes = drm_helper_probe_single_connector_modes, \ 8101e48e52SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, \ 8201e48e52SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state 8301e48e52SThomas Zimmermann 8401e48e52SThomas Zimmermann /* 85559d105fSThomas Zimmermann * Mode config 86559d105fSThomas Zimmermann */ 87559d105fSThomas Zimmermann 88559d105fSThomas Zimmermann #define DRM_SYSFB_MODE_CONFIG_FUNCS \ 89559d105fSThomas Zimmermann .fb_create = drm_gem_fb_create_with_dirty, \ 90559d105fSThomas Zimmermann .atomic_check = drm_atomic_helper_check, \ 91559d105fSThomas Zimmermann .atomic_commit = drm_atomic_helper_commit 92559d105fSThomas Zimmermann 93b5626f6fSThomas Zimmermann #endif 94