/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. * Copyright 2009-2010 Jonathan Corbet <[email protected]> * Copyright 2010 Florian Tobias Schandinat <[email protected]> */ #ifndef __VIA_CORE_H__ #define __VIA_CORE_H__ #include <linux/types.h> #include <linux/io.h> #include <linux/spinlock.h> #include <linux/pci.h> /* * A description of each known serial I2C/GPIO port. */ enum via_port_type { … }; enum via_port_mode { … }; enum viafb_i2c_adap { … }; #define VIAFB_NUM_PORTS … struct via_port_cfg { … }; /* * Allow subdevs to register suspend/resume hooks. */ struct viafb_pm_hooks { … }; void viafb_pm_register(struct viafb_pm_hooks *hooks); void viafb_pm_unregister(struct viafb_pm_hooks *hooks); /* * This is the global viafb "device" containing stuff needed by * all subdevs. */ struct viafb_dev { … }; /* * Interrupt management. */ void viafb_irq_enable(u32 mask); void viafb_irq_disable(u32 mask); /* * The global interrupt control register and its bits. */ #define VDE_INTERRUPT … #define VDE_I_DVISENSE … #define VDE_I_VBLANK … #define VDE_I_MCCFI … #define VDE_I_VSYNC … #define VDE_I_DMA0DDONE … #define VDE_I_DMA0TDONE … #define VDE_I_DMA1DDONE … #define VDE_I_DMA1TDONE … #define VDE_I_C1AV … #define VDE_I_HQV0 … #define VDE_I_HQV1 … #define VDE_I_HQV1EN … #define VDE_I_C0AV … #define VDE_I_C0VBI … #define VDE_I_C1VBI … #define VDE_I_VSYNC2 … #define VDE_I_DVISNSEN … #define VDE_I_VSYNC2EN … #define VDE_I_MCCFIEN … #define VDE_I_VSYNCEN … #define VDE_I_DMA0DDEN … #define VDE_I_DMA0TDEN … #define VDE_I_DMA1DDEN … #define VDE_I_DMA1TDEN … #define VDE_I_C1AVEN … #define VDE_I_HQV0EN … #define VDE_I_C1VBIEN … #define VDE_I_LVDSSI … #define VDE_I_C0AVEN … #define VDE_I_C0VBIEN … #define VDE_I_LVDSSIEN … #define VDE_I_ENABLE … #if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE) /* * DMA management. */ int viafb_request_dma(void); void viafb_release_dma(void); /* void viafb_dma_copy_out(unsigned int offset, dma_addr_t paddr, int len); */ int viafb_dma_copy_out_sg(unsigned int offset, struct scatterlist *sg, int nsg); /* * DMA Controller registers. */ #define VDMA_MR0 … #define VDMA_MR_CHAIN … #define VDMA_MR_TDIE … #define VDMA_CSR0 … #define VDMA_C_ENABLE … #define VDMA_C_START … #define VDMA_C_ABORT … #define VDMA_C_DONE … #define VDMA_MARL0 … #define VDMA_MARH0 … #define VDMA_DAR0 … #define VDMA_DQWCR0 … #define VDMA_TMR0 … #define VDMA_DPRL0 … #define VDMA_DPR_IN … #define VDMA_DPRH0 … #define VDMA_PMR0 … /* * Useful stuff that probably belongs somewhere global. */ #define VGA_WIDTH … #define VGA_HEIGHT … #endif /* CONFIG_VIDEO_VIA_CAMERA */ /* * Indexed port operations. Note that these are all multi-op * functions; every invocation will be racy if you're not holding * reg_lock. */ #define VIAStatus … #define VIACR … #define VIASR … #define VIAGR … #define VIAAR … static inline u8 via_read_reg(u16 port, u8 index) { … } static inline void via_write_reg(u16 port, u8 index, u8 data) { … } static inline void via_write_reg_mask(u16 port, u8 index, u8 data, u8 mask) { … } #define VIA_MISC_REG_READ … #define VIA_MISC_REG_WRITE … static inline void via_write_misc_reg_mask(u8 data, u8 mask) { … } #endif /* __VIA_CORE_H__ */
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