/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2010 Matt Turner. * Copyright 2012 Red Hat * * Authors: Matthew Garrett * Matt Turner * Dave Airlie */ #ifndef __MGAG200_DRV_H__ #define __MGAG200_DRV_H__ #include <video/vga.h> #include <drm/drm_connector.h> #include <drm/drm_crtc.h> #include <drm/drm_encoder.h> #include <drm/drm_gem.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_plane.h> #include "mgag200_reg.h" #define DRIVER_AUTHOR … #define DRIVER_NAME … #define DRIVER_DESC … #define DRIVER_DATE … #define DRIVER_MAJOR … #define DRIVER_MINOR … #define DRIVER_PATCHLEVEL … #define RREG8(reg) … #define WREG8(reg, v) … #define RREG32(reg) … #define WREG32(reg, v) … #define MGA_BIOS_OFFSET … #define ATTR_INDEX … #define ATTR_DATA … #define WREG_MISC(v) … #define RREG_MISC(v) … #define WREG_MISC_MASKED(v, mask) … #define WREG_ATTR(reg, v) … \ #define RREG_SEQ(reg, v) … \ #define WREG_SEQ(reg, v) … \ #define RREG_CRT(reg, v) … \ #define WREG_CRT(reg, v) … \ #define RREG_ECRT(reg, v) … \ #define WREG_ECRT(reg, v) … \ #define GFX_INDEX … #define GFX_DATA … #define WREG_GFX(reg, v) … \ #define DAC_INDEX … #define DAC_DATA … #define WREG_DAC(reg, v) … \ #define MGA_MISC_OUT … #define MGA_MISC_IN … /* * TODO: This is a pretty large set of default values for all kinds of * settings. It should be split and set in the various DRM helpers, * such as the CRTC reset or atomic_enable helpers. The PLL values * probably belong to each model's PLL code. */ #define MGAG200_DAC_DEFAULT(xvrefctrl, xpixclkctrl, xmiscctrl, xsyspllm, xsysplln, xsyspllp) … \ #define MGAG200_LUT_SIZE … #define MGAG200_MAX_FB_HEIGHT … #define MGAG200_MAX_FB_WIDTH … struct mga_device; /* * Stores parameters for programming the PLLs * * Fref: reference frequency (A: 25.175 Mhz, B: 28.361, C: XX Mhz) * Fo: output frequency * Fvco = Fref * (N / M) * Fo = Fvco / P * * S = [0..3] */ struct mgag200_pll_values { … }; struct mgag200_crtc_state { … }; static inline struct mgag200_crtc_state *to_mgag200_crtc_state(struct drm_crtc_state *base) { … } struct mgag200_bmc_connector { … }; enum mga_type { … }; struct mgag200_device_info { … }; #define MGAG200_DEVICE_INFO_INIT(_max_hdisplay, _max_vdisplay, _max_mem_bandwidth, \ _has_vidrst, _i2c_data_bit, _i2c_clock_bit, \ _bug_no_startadd) … struct mgag200_device_funcs { … }; struct mga_device { … }; static inline struct mga_device *to_mga_device(struct drm_device *dev) { … } struct mgag200_g200_device { … }; static inline struct mgag200_g200_device *to_mgag200_g200_device(struct drm_device *dev) { … } struct mgag200_g200se_device { … }; static inline struct mgag200_g200se_device *to_mgag200_g200se_device(struct drm_device *dev) { … } /* mgag200_drv.c */ int mgag200_init_pci_options(struct pci_dev *pdev, u32 option, u32 option2); resource_size_t mgag200_probe_vram(void __iomem *mem, resource_size_t size); resource_size_t mgag200_device_probe_vram(struct mga_device *mdev); int mgag200_device_preinit(struct mga_device *mdev); int mgag200_device_init(struct mga_device *mdev, const struct mgag200_device_info *info, const struct mgag200_device_funcs *funcs); /* mgag200_<device type>.c */ struct mga_device *mgag200_g200_device_create(struct pci_dev *pdev, const struct drm_driver *drv); struct mga_device *mgag200_g200se_device_create(struct pci_dev *pdev, const struct drm_driver *drv, enum mga_type type); void mgag200_g200wb_init_registers(struct mga_device *mdev); void mgag200_g200wb_pixpllc_atomic_update(struct drm_crtc *crtc, struct drm_atomic_state *old_state); struct mga_device *mgag200_g200wb_device_create(struct pci_dev *pdev, const struct drm_driver *drv); struct mga_device *mgag200_g200ev_device_create(struct pci_dev *pdev, const struct drm_driver *drv); void mgag200_g200eh_init_registers(struct mga_device *mdev); void mgag200_g200eh_pixpllc_atomic_update(struct drm_crtc *crtc, struct drm_atomic_state *old_state); struct mga_device *mgag200_g200eh_device_create(struct pci_dev *pdev, const struct drm_driver *drv); struct mga_device *mgag200_g200eh3_device_create(struct pci_dev *pdev, const struct drm_driver *drv); struct mga_device *mgag200_g200er_device_create(struct pci_dev *pdev, const struct drm_driver *drv); struct mga_device *mgag200_g200ew3_device_create(struct pci_dev *pdev, const struct drm_driver *drv); /* * mgag200_mode.c */ struct drm_crtc; struct drm_crtc_state; struct drm_display_mode; struct drm_plane; struct drm_atomic_state; struct drm_scanout_buffer; extern const uint32_t mgag200_primary_plane_formats[]; extern const size_t mgag200_primary_plane_formats_size; extern const uint64_t mgag200_primary_plane_fmtmods[]; int mgag200_primary_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *new_state); void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane, struct drm_atomic_state *old_state); void mgag200_primary_plane_helper_atomic_enable(struct drm_plane *plane, struct drm_atomic_state *state); void mgag200_primary_plane_helper_atomic_disable(struct drm_plane *plane, struct drm_atomic_state *old_state); int mgag200_primary_plane_helper_get_scanout_buffer(struct drm_plane *plane, struct drm_scanout_buffer *sb); #define MGAG200_PRIMARY_PLANE_HELPER_FUNCS … #define MGAG200_PRIMARY_PLANE_FUNCS … void mgag200_crtc_set_gamma_linear(struct mga_device *mdev, const struct drm_format_info *format); void mgag200_crtc_set_gamma(struct mga_device *mdev, const struct drm_format_info *format, struct drm_color_lut *lut); enum drm_mode_status mgag200_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode); int mgag200_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *new_state); void mgag200_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *old_state); void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *old_state); void mgag200_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *old_state); #define MGAG200_CRTC_HELPER_FUNCS … void mgag200_crtc_reset(struct drm_crtc *crtc); struct drm_crtc_state *mgag200_crtc_atomic_duplicate_state(struct drm_crtc *crtc); void mgag200_crtc_atomic_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state); #define MGAG200_CRTC_FUNCS … void mgag200_set_mode_regs(struct mga_device *mdev, const struct drm_display_mode *mode); void mgag200_set_format_regs(struct mga_device *mdev, const struct drm_format_info *format); void mgag200_enable_display(struct mga_device *mdev); void mgag200_init_registers(struct mga_device *mdev); int mgag200_mode_config_init(struct mga_device *mdev, resource_size_t vram_available); /* mgag200_vga.c */ int mgag200_vga_output_init(struct mga_device *mdev); /* mgag200_bmc.c */ void mgag200_bmc_disable_vidrst(struct mga_device *mdev); void mgag200_bmc_enable_vidrst(struct mga_device *mdev); int mgag200_bmc_output_init(struct mga_device *mdev, struct drm_connector *physical_connector); #endif /* __MGAG200_DRV_H__ */
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