forked from Minki/linux
dd696ec852
[05/07] intelfb: add output fields to dinfo. Signed-off-by: Dennis Munsie <dmunsie@cecropia.com>
369 lines
7.4 KiB
C
369 lines
7.4 KiB
C
#ifndef _INTELFB_H
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#define _INTELFB_H
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/* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */
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#include <linux/agp_backend.h>
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#include <linux/fb.h>
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#ifdef CONFIG_FB_INTEL_I2C
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#endif
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/*** Version/name ***/
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#define INTELFB_VERSION "0.9.4"
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#define INTELFB_MODULE_NAME "intelfb"
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#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM"
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/*** Debug/feature defines ***/
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#ifndef DEBUG
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#define DEBUG 0
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#endif
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#ifndef VERBOSE
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#define VERBOSE 0
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#endif
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#ifndef REGDUMP
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#define REGDUMP 0
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#endif
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#ifndef DETECT_VGA_CLASS_ONLY
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#define DETECT_VGA_CLASS_ONLY 1
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#endif
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#ifndef ALLOCATE_FOR_PANNING
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#define ALLOCATE_FOR_PANNING 1
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#endif
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#ifndef PREFERRED_MODE
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#define PREFERRED_MODE "1024x768-32@70"
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#endif
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/*** hw-related values ***/
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/* Resource Allocation */
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#define INTELFB_FB_ACQUIRED 1
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#define INTELFB_MMIO_ACQUIRED 2
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/* PCI ids for supported devices */
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#define PCI_DEVICE_ID_INTEL_830M 0x3577
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#define PCI_DEVICE_ID_INTEL_845G 0x2562
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#define PCI_DEVICE_ID_INTEL_85XGM 0x3582
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#define PCI_DEVICE_ID_INTEL_865G 0x2572
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#define PCI_DEVICE_ID_INTEL_915G 0x2582
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#define PCI_DEVICE_ID_INTEL_915GM 0x2592
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#define PCI_DEVICE_ID_INTEL_945G 0x2772
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#define PCI_DEVICE_ID_INTEL_945GM 0x27A2
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/* Size of MMIO region */
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#define INTEL_REG_SIZE 0x80000
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#define STRIDE_ALIGNMENT 16
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#define STRIDE_ALIGNMENT_I9XX 64
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#define PALETTE_8_ENTRIES 256
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/*** Macros ***/
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/* basic arithmetic */
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#define KB(x) ((x) * 1024)
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#define MB(x) ((x) * 1024 * 1024)
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#define BtoKB(x) ((x) / 1024)
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#define BtoMB(x) ((x) / 1024 / 1024)
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#define GTT_PAGE_SIZE KB(4)
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#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
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#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
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#define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
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#define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
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/* messages */
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#define PFX INTELFB_MODULE_NAME ": "
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#define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
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#define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
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#define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
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#define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
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#if DEBUG
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#define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
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#else
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#define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
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#endif
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/* get commonly used pointers */
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#define GET_DINFO(info) (info)->par
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/* misc macros */
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#define ACCEL(d, i) \
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((d)->accel && !(d)->ring_lockup && \
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((i)->var.accel_flags & FB_ACCELF_TEXT))
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/*#define NOACCEL_CHIPSET(d) \
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((d)->chipset != INTEL_865G)*/
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#define NOACCEL_CHIPSET(d) \
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(0)
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#define FIXED_MODE(d) ((d)->fixed_mode)
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/*** Driver paramters ***/
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#define RINGBUFFER_SIZE KB(64)
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#define HW_CURSOR_SIZE KB(4)
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/* Intel agpgart driver */
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#define AGP_PHYSICAL_MEMORY 2
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/* store information about an Ixxx DVO */
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/* The i830->i865 use multiple DVOs with multiple i2cs */
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/* the i915, i945 have a single sDVO i2c bus - which is different */
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#define MAX_OUTPUTS 6
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/* these are outputs from the chip - integrated only
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external chips are via DVO or SDVO output */
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#define INTELFB_OUTPUT_UNUSED 0
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#define INTELFB_OUTPUT_ANALOG 1
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#define INTELFB_OUTPUT_DVO 2
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#define INTELFB_OUTPUT_SDVO 3
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#define INTELFB_OUTPUT_LVDS 4
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#define INTELFB_OUTPUT_TVOUT 5
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#define INTELFB_DVO_CHIP_NONE 0
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#define INTELFB_DVO_CHIP_LVDS 1
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#define INTELFB_DVO_CHIP_TMDS 2
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#define INTELFB_DVO_CHIP_TVOUT 4
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#define INTELFB_OUTPUT_PIPE_NC 0
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#define INTELFB_OUTPUT_PIPE_A 1
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#define INTELFB_OUTPUT_PIPE_B 2
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/*** Data Types ***/
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/* supported chipsets */
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enum intel_chips {
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INTEL_830M,
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INTEL_845G,
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INTEL_85XGM,
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INTEL_852GM,
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INTEL_852GME,
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INTEL_855GM,
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INTEL_855GME,
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INTEL_865G,
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INTEL_915G,
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INTEL_915GM,
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INTEL_945G,
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INTEL_945GM,
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};
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struct intelfb_hwstate {
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u32 vga0_divisor;
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u32 vga1_divisor;
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u32 vga_pd;
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u32 dpll_a;
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u32 dpll_b;
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u32 fpa0;
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u32 fpa1;
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u32 fpb0;
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u32 fpb1;
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u32 palette_a[PALETTE_8_ENTRIES];
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u32 palette_b[PALETTE_8_ENTRIES];
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u32 htotal_a;
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u32 hblank_a;
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u32 hsync_a;
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u32 vtotal_a;
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u32 vblank_a;
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u32 vsync_a;
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u32 src_size_a;
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u32 bclrpat_a;
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u32 htotal_b;
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u32 hblank_b;
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u32 hsync_b;
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u32 vtotal_b;
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u32 vblank_b;
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u32 vsync_b;
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u32 src_size_b;
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u32 bclrpat_b;
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u32 adpa;
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u32 dvoa;
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u32 dvob;
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u32 dvoc;
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u32 dvoa_srcdim;
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u32 dvob_srcdim;
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u32 dvoc_srcdim;
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u32 lvds;
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u32 pipe_a_conf;
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u32 pipe_b_conf;
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u32 disp_arb;
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u32 cursor_a_control;
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u32 cursor_b_control;
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u32 cursor_a_base;
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u32 cursor_b_base;
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u32 cursor_size;
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u32 disp_a_ctrl;
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u32 disp_b_ctrl;
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u32 disp_a_base;
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u32 disp_b_base;
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u32 cursor_a_palette[4];
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u32 cursor_b_palette[4];
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u32 disp_a_stride;
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u32 disp_b_stride;
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u32 vgacntrl;
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u32 add_id;
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u32 swf0x[7];
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u32 swf1x[7];
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u32 swf3x[3];
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u32 fence[8];
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u32 instpm;
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u32 mem_mode;
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u32 fw_blc_0;
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u32 fw_blc_1;
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u16 hwstam;
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u16 ier;
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u16 iir;
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u16 imr;
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};
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struct intelfb_heap_data {
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u32 physical;
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u8 __iomem *virtual;
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u32 offset; // in GATT pages
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u32 size; // in bytes
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};
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#ifdef CONFIG_FB_INTEL_I2C
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struct intelfb_i2c_chan {
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struct intelfb_info *dinfo;
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u32 reg;
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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};
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#endif
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struct intelfb_output_rec {
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int type;
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int pipe;
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int flags;
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#ifdef CONFIG_FB_INTEL_I2C
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struct intelfb_i2c_chan i2c_bus;
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struct intelfb_i2c_chan ddc_bus;
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#endif
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};
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struct intelfb_vsync {
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wait_queue_head_t wait;
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unsigned int count;
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int pan_display;
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u32 pan_offset;
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};
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struct intelfb_info {
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struct fb_info *info;
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struct fb_ops *fbops;
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struct pci_dev *pdev;
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struct intelfb_hwstate save_state;
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/* agpgart structs */
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struct agp_memory *gtt_fb_mem; // use all stolen memory or vram
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struct agp_memory *gtt_ring_mem; // ring buffer
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struct agp_memory *gtt_cursor_mem; // hw cursor
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/* use a gart reserved fb mem */
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u8 fbmem_gart;
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/* mtrr support */
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u32 mtrr_reg;
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u32 has_mtrr;
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/* heap data */
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struct intelfb_heap_data aperture;
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struct intelfb_heap_data fb;
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struct intelfb_heap_data ring;
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struct intelfb_heap_data cursor;
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/* mmio regs */
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u32 mmio_base_phys;
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u8 __iomem *mmio_base;
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/* fb start offset (in bytes) */
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u32 fb_start;
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/* ring buffer */
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u32 ring_head;
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u32 ring_tail;
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u32 ring_tail_mask;
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u32 ring_space;
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u32 ring_lockup;
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/* palette */
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u32 pseudo_palette[17];
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/* chip info */
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int pci_chipset;
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int chipset;
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const char *name;
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int mobile;
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/* current mode */
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int bpp, depth;
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u32 visual;
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int xres, yres, pitch;
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int pixclock;
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/* current pipe */
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int pipe;
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/* some flags */
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int accel;
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int hwcursor;
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int fixed_mode;
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int ring_active;
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int flag;
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unsigned long irq_flags;
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int open;
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/* vsync */
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struct intelfb_vsync vsync;
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spinlock_t int_lock;
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/* hw cursor */
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int cursor_on;
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int cursor_blanked;
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u8 cursor_src[64];
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/* initial parameters */
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int initial_vga;
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struct fb_var_screeninfo initial_var;
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u32 initial_fb_base;
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u32 initial_video_ram;
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u32 initial_pitch;
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/* driver registered */
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int registered;
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/* index into plls */
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int pll_index;
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/* outputs */
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int num_outputs;
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struct intelfb_output_rec output[MAX_OUTPUTS];
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};
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#define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G)||(dinfo->chipset==INTEL_945GM))
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#ifndef FBIO_WAITFORVSYNC
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#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
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#endif
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/*** function prototypes ***/
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extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
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#endif /* _INTELFB_H */
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