+++ /dev/null
-/*
- * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
- * Copyright 2009-2010 Jonathan Corbet <corbet@lwn.net>
- * Copyright 2010 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation;
- * either version 2, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#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 {
- VIA_PORT_NONE = 0,
- VIA_PORT_I2C,
- VIA_PORT_GPIO,
-};
-
-enum via_port_mode {
- VIA_MODE_OFF = 0,
- VIA_MODE_I2C, /* Used as I2C port */
- VIA_MODE_GPIO, /* Two GPIO ports */
-};
-
-enum viafb_i2c_adap {
- VIA_PORT_26 = 0,
- VIA_PORT_31,
- VIA_PORT_25,
- VIA_PORT_2C,
- VIA_PORT_3D,
-};
-#define VIAFB_NUM_PORTS 5
-
-struct via_port_cfg {
- enum via_port_type type;
- enum via_port_mode mode;
- u16 io_port;
- u8 ioport_index;
-};
-
-/*
- * This is the global viafb "device" containing stuff needed by
- * all subdevs.
- */
-struct viafb_dev {
- struct pci_dev *pdev;
- int chip_type;
- struct via_port_cfg *port_cfg;
- /*
- * Spinlock for access to device registers. Not yet
- * globally used.
- */
- spinlock_t reg_lock;
- /*
- * The framebuffer MMIO region. Little, if anything, touches
- * this memory directly, and certainly nothing outside of the
- * framebuffer device itself. We *do* have to be able to allocate
- * chunks of this memory for other devices, though.
- */
- unsigned long fbmem_start;
- long fbmem_len;
- void __iomem *fbmem;
-#if defined(CONFIG_FB_VIA_CAMERA) || defined(CONFIG_FB_VIA_CAMERA_MODULE)
- long camera_fbmem_offset;
- long camera_fbmem_size;
-#endif
- /*
- * The MMIO region for device registers.
- */
- unsigned long engine_start;
- unsigned long engine_len;
- void __iomem *engine_mmio;
-
-};
-
-/*
- * 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 0x200 /* Video interrupt flags/masks */
-#define VDE_I_DVISENSE 0x00000001 /* DVI sense int status */
-#define VDE_I_VBLANK 0x00000002 /* Vertical blank status */
-#define VDE_I_MCCFI 0x00000004 /* MCE compl. frame int status */
-#define VDE_I_VSYNC 0x00000008 /* VGA VSYNC int status */
-#define VDE_I_DMA0DDONE 0x00000010 /* DMA 0 descr done */
-#define VDE_I_DMA0TDONE 0x00000020 /* DMA 0 transfer done */
-#define VDE_I_DMA1DDONE 0x00000040 /* DMA 1 descr done */
-#define VDE_I_DMA1TDONE 0x00000080 /* DMA 1 transfer done */
-#define VDE_I_C1AV 0x00000100 /* Cap Eng 1 act vid end */
-#define VDE_I_HQV0 0x00000200 /* First HQV engine */
-#define VDE_I_HQV1 0x00000400 /* Second HQV engine */
-#define VDE_I_HQV1EN 0x00000800 /* Second HQV engine enable */
-#define VDE_I_C0AV 0x00001000 /* Cap Eng 0 act vid end */
-#define VDE_I_C0VBI 0x00002000 /* Cap Eng 0 VBI end */
-#define VDE_I_C1VBI 0x00004000 /* Cap Eng 1 VBI end */
-#define VDE_I_VSYNC2 0x00008000 /* Sec. Disp. VSYNC */
-#define VDE_I_DVISNSEN 0x00010000 /* DVI sense enable */
-#define VDE_I_VSYNC2EN 0x00020000 /* Sec Disp VSYNC enable */
-#define VDE_I_MCCFIEN 0x00040000 /* MC comp frame int mask enable */
-#define VDE_I_VSYNCEN 0x00080000 /* VSYNC enable */
-#define VDE_I_DMA0DDEN 0x00100000 /* DMA 0 descr done enable */
-#define VDE_I_DMA0TDEN 0x00200000 /* DMA 0 trans done enable */
-#define VDE_I_DMA1DDEN 0x00400000 /* DMA 1 descr done enable */
-#define VDE_I_DMA1TDEN 0x00800000 /* DMA 1 trans done enable */
-#define VDE_I_C1AVEN 0x01000000 /* cap 1 act vid end enable */
-#define VDE_I_HQV0EN 0x02000000 /* First hqv engine enable */
-#define VDE_I_C1VBIEN 0x04000000 /* Cap 1 VBI end enable */
-#define VDE_I_LVDSSI 0x08000000 /* LVDS sense interrupt */
-#define VDE_I_C0AVEN 0x10000000 /* Cap 0 act vid end enable */
-#define VDE_I_C0VBIEN 0x20000000 /* Cap 0 VBI end enable */
-#define VDE_I_LVDSSIEN 0x40000000 /* LVDS Sense enable */
-#define VDE_I_ENABLE 0x80000000 /* Global interrupt enable */
-
-/*
- * 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 0xe00 /* Mod reg 0 */
-#define VDMA_MR_CHAIN 0x01 /* Chaining mode */
-#define VDMA_MR_TDIE 0x02 /* Transfer done int enable */
-#define VDMA_CSR0 0xe04 /* Control/status */
-#define VDMA_C_ENABLE 0x01 /* DMA Enable */
-#define VDMA_C_START 0x02 /* Start a transfer */
-#define VDMA_C_ABORT 0x04 /* Abort a transfer */
-#define VDMA_C_DONE 0x08 /* Transfer is done */
-#define VDMA_MARL0 0xe20 /* Mem addr low */
-#define VDMA_MARH0 0xe24 /* Mem addr high */
-#define VDMA_DAR0 0xe28 /* Device address */
-#define VDMA_DQWCR0 0xe2c /* Count (16-byte) */
-#define VDMA_TMR0 0xe30 /* Tile mode reg */
-#define VDMA_DPRL0 0xe34 /* Not sure */
-#define VDMA_DPR_IN 0x08 /* Inbound transfer to FB */
-#define VDMA_DPRH0 0xe38
-#define VDMA_PMR0 (0xe00 + 0x134) /* Pitch mode */
-
-/*
- * Useful stuff that probably belongs somewhere global.
- */
-#define VGA_WIDTH 640
-#define VGA_HEIGHT 480
-
-/*
- * 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 0x3DA /* Non-indexed port */
-#define VIACR 0x3D4
-#define VIASR 0x3C4
-#define VIAGR 0x3CE
-#define VIAAR 0x3C0
-
-static inline u8 via_read_reg(u16 port, u8 index)
-{
- outb(index, port);
- return inb(port + 1);
-}
-
-static inline void via_write_reg(u16 port, u8 index, u8 data)
-{
- outb(index, port);
- outb(data, port + 1);
-}
-
-static inline void via_write_reg_mask(u16 port, u8 index, u8 data, u8 mask)
-{
- u8 old;
-
- outb(index, port);
- old = inb(port + 1);
- outb((data & mask) | (old & ~mask), port + 1);
-}
-
-#define VIA_MISC_REG_READ 0x03CC
-#define VIA_MISC_REG_WRITE 0x03C2
-
-static inline void via_write_misc_reg_mask(u8 data, u8 mask)
-{
- u8 old = inb(VIA_MISC_REG_READ);
- outb((data & mask) | (old & ~mask), VIA_MISC_REG_WRITE);
-}
-
-
-#endif /* __VIA_CORE_H__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff