// SPDX-License-Identifier: GPL-2.0-or-later #include <linux/module.h> #include <linux/pci.h> #include <drm/drm_aperture.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> #include <drm/drm_edid.h> #include <drm/drm_fbdev_ttm.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_vram_helper.h> #include <drm/drm_managed.h> #include <drm/drm_module.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> #include <video/vga.h> /* ---------------------------------------------------------------------- */ #define VBE_DISPI_IOPORT_INDEX … #define VBE_DISPI_IOPORT_DATA … #define VBE_DISPI_INDEX_ID … #define VBE_DISPI_INDEX_XRES … #define VBE_DISPI_INDEX_YRES … #define VBE_DISPI_INDEX_BPP … #define VBE_DISPI_INDEX_ENABLE … #define VBE_DISPI_INDEX_BANK … #define VBE_DISPI_INDEX_VIRT_WIDTH … #define VBE_DISPI_INDEX_VIRT_HEIGHT … #define VBE_DISPI_INDEX_X_OFFSET … #define VBE_DISPI_INDEX_Y_OFFSET … #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K … #define VBE_DISPI_ID0 … #define VBE_DISPI_ID1 … #define VBE_DISPI_ID2 … #define VBE_DISPI_ID3 … #define VBE_DISPI_ID4 … #define VBE_DISPI_ID5 … #define VBE_DISPI_DISABLED … #define VBE_DISPI_ENABLED … #define VBE_DISPI_GETCAPS … #define VBE_DISPI_8BIT_DAC … #define VBE_DISPI_LFB_ENABLED … #define VBE_DISPI_NOCLEARMEM … static int bochs_modeset = …; static int defx = …; static int defy = …; module_param_named(modeset, bochs_modeset, int, 0444); MODULE_PARM_DESC(…) …; module_param(defx, int, 0444); module_param(defy, int, 0444); MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; /* ---------------------------------------------------------------------- */ enum bochs_types { … }; struct bochs_device { … }; /* ---------------------------------------------------------------------- */ static void bochs_vga_writeb(struct bochs_device *bochs, u16 ioport, u8 val) { … } static u8 bochs_vga_readb(struct bochs_device *bochs, u16 ioport) { … } static u16 bochs_dispi_read(struct bochs_device *bochs, u16 reg) { … } static void bochs_dispi_write(struct bochs_device *bochs, u16 reg, u16 val) { … } static void bochs_hw_set_big_endian(struct bochs_device *bochs) { … } static void bochs_hw_set_little_endian(struct bochs_device *bochs) { … } #ifdef __BIG_ENDIAN #define bochs_hw_set_native_endian … #else #define bochs_hw_set_native_endian(_b) … #endif static int bochs_get_edid_block(void *data, u8 *buf, unsigned int block, size_t len) { … } static int bochs_hw_load_edid(struct bochs_device *bochs) { … } static int bochs_hw_init(struct drm_device *dev) { … } static void bochs_hw_fini(struct drm_device *dev) { … } static void bochs_hw_blank(struct bochs_device *bochs, bool blank) { … } static void bochs_hw_setmode(struct bochs_device *bochs, struct drm_display_mode *mode) { … } static void bochs_hw_setformat(struct bochs_device *bochs, const struct drm_format_info *format) { … } static void bochs_hw_setbase(struct bochs_device *bochs, int x, int y, int stride, u64 addr) { … } /* ---------------------------------------------------------------------- */ static const uint32_t bochs_formats[] = …; static void bochs_plane_update(struct bochs_device *bochs, struct drm_plane_state *state) { … } static void bochs_pipe_enable(struct drm_simple_display_pipe *pipe, struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state) { … } static void bochs_pipe_disable(struct drm_simple_display_pipe *pipe) { … } static void bochs_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_plane_state *old_state) { … } static const struct drm_simple_display_pipe_funcs bochs_pipe_funcs = …; static int bochs_connector_get_modes(struct drm_connector *connector) { … } static const struct drm_connector_helper_funcs bochs_connector_connector_helper_funcs = …; static const struct drm_connector_funcs bochs_connector_connector_funcs = …; static void bochs_connector_init(struct drm_device *dev) { … } static struct drm_framebuffer * bochs_gem_fb_create(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd) { … } static const struct drm_mode_config_funcs bochs_mode_funcs = …; static int bochs_kms_init(struct bochs_device *bochs) { … } /* ---------------------------------------------------------------------- */ /* drm interface */ static int bochs_load(struct drm_device *dev) { … } DEFINE_DRM_GEM_FOPS(bochs_fops); static const struct drm_driver bochs_driver = …; /* ---------------------------------------------------------------------- */ /* pm interface */ #ifdef CONFIG_PM_SLEEP static int bochs_pm_suspend(struct device *dev) { … } static int bochs_pm_resume(struct device *dev) { … } #endif static const struct dev_pm_ops bochs_pm_ops = …; /* ---------------------------------------------------------------------- */ /* pci interface */ static int bochs_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { … } static void bochs_pci_remove(struct pci_dev *pdev) { … } static void bochs_pci_shutdown(struct pci_dev *pdev) { … } static const struct pci_device_id bochs_pci_tbl[] = …; static struct pci_driver bochs_pci_driver = …; /* ---------------------------------------------------------------------- */ /* module init/exit */ drm_module_pci_driver_if_modeset(…); MODULE_DEVICE_TABLE(pci, bochs_pci_tbl); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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