// SPDX-License-Identifier: GPL-2.0-only #include <linux/of_address.h> #include <linux/pci.h> #include <linux/platform_device.h> #include <drm/drm_aperture.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_state_helper.h> #include <drm/drm_connector.h> #include <drm/drm_damage_helper.h> #include <drm/drm_device.h> #include <drm/drm_drv.h> #include <drm/drm_fbdev_shmem.h> #include <drm/drm_format_helper.h> #include <drm/drm_framebuffer.h> #include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> #define DRIVER_NAME … #define DRIVER_DESC … #define DRIVER_DATE … #define DRIVER_MAJOR … #define DRIVER_MINOR … #define PCI_VENDOR_ID_ATI_R520 … #define PCI_VENDOR_ID_ATI_R600 … #define OFDRM_GAMMA_LUT_SIZE … /* Definitions used by the Avivo palette */ #define AVIVO_DC_LUT_RW_SELECT … #define AVIVO_DC_LUT_RW_MODE … #define AVIVO_DC_LUT_RW_INDEX … #define AVIVO_DC_LUT_SEQ_COLOR … #define AVIVO_DC_LUT_PWL_DATA … #define AVIVO_DC_LUT_30_COLOR … #define AVIVO_DC_LUT_READ_PIPE_SELECT … #define AVIVO_DC_LUT_WRITE_EN_MASK … #define AVIVO_DC_LUT_AUTOFILL … #define AVIVO_DC_LUTA_CONTROL … #define AVIVO_DC_LUTA_BLACK_OFFSET_BLUE … #define AVIVO_DC_LUTA_BLACK_OFFSET_GREEN … #define AVIVO_DC_LUTA_BLACK_OFFSET_RED … #define AVIVO_DC_LUTA_WHITE_OFFSET_BLUE … #define AVIVO_DC_LUTA_WHITE_OFFSET_GREEN … #define AVIVO_DC_LUTA_WHITE_OFFSET_RED … #define AVIVO_DC_LUTB_CONTROL … #define AVIVO_DC_LUTB_BLACK_OFFSET_BLUE … #define AVIVO_DC_LUTB_BLACK_OFFSET_GREEN … #define AVIVO_DC_LUTB_BLACK_OFFSET_RED … #define AVIVO_DC_LUTB_WHITE_OFFSET_BLUE … #define AVIVO_DC_LUTB_WHITE_OFFSET_GREEN … #define AVIVO_DC_LUTB_WHITE_OFFSET_RED … enum ofdrm_model { … }; /* * Helpers for display nodes */ static int display_get_validated_int(struct drm_device *dev, const char *name, uint32_t value) { … } static int display_get_validated_int0(struct drm_device *dev, const char *name, uint32_t value) { … } static const struct drm_format_info *display_get_validated_format(struct drm_device *dev, u32 depth, bool big_endian) { … } static int display_read_u32_of(struct drm_device *dev, struct device_node *of_node, const char *name, u32 *value) { … } static bool display_get_big_endian_of(struct drm_device *dev, struct device_node *of_node) { … } static int display_get_width_of(struct drm_device *dev, struct device_node *of_node) { … } static int display_get_height_of(struct drm_device *dev, struct device_node *of_node) { … } static int display_get_depth_of(struct drm_device *dev, struct device_node *of_node) { … } static int display_get_linebytes_of(struct drm_device *dev, struct device_node *of_node) { … } static u64 display_get_address_of(struct drm_device *dev, struct device_node *of_node) { … } static bool is_avivo(u32 vendor, u32 device) { … } static enum ofdrm_model display_get_model_of(struct drm_device *dev, struct device_node *of_node) { … } /* * Open Firmware display device */ struct ofdrm_device; struct ofdrm_device_funcs { … }; struct ofdrm_device { … }; static struct ofdrm_device *ofdrm_device_of_dev(struct drm_device *dev) { … } /* * Hardware */ #if defined(CONFIG_PCI) static struct pci_dev *display_get_pci_dev_of(struct drm_device *dev, struct device_node *of_node) { … } static void ofdrm_pci_release(void *data) { … } static int ofdrm_device_init_pci(struct ofdrm_device *odev) { … } #else static int ofdrm_device_init_pci(struct ofdrm_device *odev) { return 0; } #endif /* * OF display settings */ static struct resource *ofdrm_find_fb_resource(struct ofdrm_device *odev, struct resource *fb_res) { … } /* * Colormap / Palette */ static void __iomem *get_cmap_address_of(struct ofdrm_device *odev, struct device_node *of_node, int bar_no, unsigned long offset, unsigned long size) { … } static void __iomem *ofdrm_mach64_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_mach64_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void __iomem *ofdrm_rage128_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_rage128_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void __iomem *ofdrm_rage_m3a_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_rage_m3a_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void __iomem *ofdrm_rage_m3b_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_rage_m3b_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void __iomem *ofdrm_radeon_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void __iomem *ofdrm_gxt2000_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_gxt2000_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void __iomem *ofdrm_avivo_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_avivo_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void __iomem *ofdrm_qemu_cmap_ioremap(struct ofdrm_device *odev, struct device_node *of_node, u64 fb_base) { … } static void ofdrm_qemu_cmap_write(struct ofdrm_device *odev, unsigned char index, unsigned char r, unsigned char g, unsigned char b) { … } static void ofdrm_device_set_gamma_linear(struct ofdrm_device *odev, const struct drm_format_info *format) { … } static void ofdrm_device_set_gamma(struct ofdrm_device *odev, const struct drm_format_info *format, struct drm_color_lut *lut) { … } /* * Modesetting */ struct ofdrm_crtc_state { … }; static struct ofdrm_crtc_state *to_ofdrm_crtc_state(struct drm_crtc_state *base) { … } static void ofdrm_crtc_state_destroy(struct ofdrm_crtc_state *ofdrm_crtc_state) { … } static const uint64_t ofdrm_primary_plane_format_modifiers[] = …; static int ofdrm_primary_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *new_state) { … } static void ofdrm_primary_plane_helper_atomic_update(struct drm_plane *plane, struct drm_atomic_state *state) { … } static void ofdrm_primary_plane_helper_atomic_disable(struct drm_plane *plane, struct drm_atomic_state *state) { … } static const struct drm_plane_helper_funcs ofdrm_primary_plane_helper_funcs = …; static const struct drm_plane_funcs ofdrm_primary_plane_funcs = …; static enum drm_mode_status ofdrm_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) { … } static int ofdrm_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *new_state) { … } static void ofdrm_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } /* * The CRTC is always enabled. Screen updates are performed by * the primary plane's atomic_update function. Disabling clears * the screen in the primary plane's atomic_disable function. */ static const struct drm_crtc_helper_funcs ofdrm_crtc_helper_funcs = …; static void ofdrm_crtc_reset(struct drm_crtc *crtc) { … } static struct drm_crtc_state *ofdrm_crtc_atomic_duplicate_state(struct drm_crtc *crtc) { … } static void ofdrm_crtc_atomic_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state) { … } static const struct drm_crtc_funcs ofdrm_crtc_funcs = …; static int ofdrm_connector_helper_get_modes(struct drm_connector *connector) { … } static const struct drm_connector_helper_funcs ofdrm_connector_helper_funcs = …; static const struct drm_connector_funcs ofdrm_connector_funcs = …; static const struct drm_mode_config_funcs ofdrm_mode_config_funcs = …; /* * Init / Cleanup */ static const struct ofdrm_device_funcs ofdrm_unknown_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_mach64_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_rage128_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_rage_m3a_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_rage_m3b_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_radeon_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_gxt2000_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_avivo_device_funcs = …; static const struct ofdrm_device_funcs ofdrm_qemu_device_funcs = …; static struct drm_display_mode ofdrm_mode(unsigned int width, unsigned int height) { … } static struct ofdrm_device *ofdrm_device_create(struct drm_driver *drv, struct platform_device *pdev) { … } /* * DRM driver */ DEFINE_DRM_GEM_FOPS(ofdrm_fops); static struct drm_driver ofdrm_driver = …; /* * Platform driver */ static int ofdrm_probe(struct platform_device *pdev) { … } static void ofdrm_remove(struct platform_device *pdev) { … } static const struct of_device_id ofdrm_of_match_display[] = …; MODULE_DEVICE_TABLE(of, ofdrm_of_match_display); static struct platform_driver ofdrm_platform_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…); MODULE_LICENSE(…) …;
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