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Diffstat (limited to '')
| -rw-r--r-- | drivers/video/fbdev/intelfb/intelfb.h | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/drivers/video/fbdev/intelfb/intelfb.h b/drivers/video/fbdev/intelfb/intelfb.h new file mode 100644 index 0000000000..5de703902a --- /dev/null +++ b/drivers/video/fbdev/intelfb/intelfb.h @@ -0,0 +1,382 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _INTELFB_H +#define _INTELFB_H + +/* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */ + +#include <linux/agp_backend.h> +#include <linux/fb.h> + +#ifdef CONFIG_FB_INTEL_I2C +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#endif + +/*** Version/name ***/ +#define INTELFB_VERSION "0.9.6" +#define INTELFB_MODULE_NAME "intelfb" +#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/945GME/965G/965GM" + + +/*** Debug/feature defines ***/ + +#ifndef DEBUG +#define DEBUG 0 +#endif + +#ifndef VERBOSE +#define VERBOSE 0 +#endif + +#ifndef REGDUMP +#define REGDUMP 0 +#endif + +#ifndef DETECT_VGA_CLASS_ONLY +#define DETECT_VGA_CLASS_ONLY 1 +#endif + +#ifndef ALLOCATE_FOR_PANNING +#define ALLOCATE_FOR_PANNING 1 +#endif + +#ifndef PREFERRED_MODE +#define PREFERRED_MODE "1024x768-32@70" +#endif + +/*** hw-related values ***/ + +/* Resource Allocation */ +#define INTELFB_FB_ACQUIRED 1 +#define INTELFB_MMIO_ACQUIRED 2 + +/* PCI ids for supported devices */ +#define PCI_DEVICE_ID_INTEL_830M 0x3577 +#define PCI_DEVICE_ID_INTEL_845G 0x2562 +#define PCI_DEVICE_ID_INTEL_85XGM 0x3582 +#define PCI_DEVICE_ID_INTEL_854 0x358E +#define PCI_DEVICE_ID_INTEL_865G 0x2572 +#define PCI_DEVICE_ID_INTEL_915G 0x2582 +#define PCI_DEVICE_ID_INTEL_915GM 0x2592 +#define PCI_DEVICE_ID_INTEL_945G 0x2772 +#define PCI_DEVICE_ID_INTEL_945GM 0x27A2 +#define PCI_DEVICE_ID_INTEL_945GME 0x27AE +#define PCI_DEVICE_ID_INTEL_965G 0x29A2 +#define PCI_DEVICE_ID_INTEL_965GM 0x2A02 + +/* Size of MMIO region */ +#define INTEL_REG_SIZE 0x80000 + +#define STRIDE_ALIGNMENT 16 +#define STRIDE_ALIGNMENT_I9XX 64 + +#define PALETTE_8_ENTRIES 256 + + +/*** Macros ***/ + +/* basic arithmetic */ +#define KB(x) ((x) * 1024) +#define MB(x) ((x) * 1024 * 1024) +#define BtoKB(x) ((x) / 1024) +#define BtoMB(x) ((x) / 1024 / 1024) + +#define GTT_PAGE_SIZE KB(4) + +#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y)) +#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y)) +#define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE) +#define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE) + +/* messages */ +#define PFX INTELFB_MODULE_NAME ": " + +#define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args) +#define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args) +#define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args) +#define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args) +#if DEBUG +#define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args) +#else +#define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args) +#endif + +/* get commonly used pointers */ +#define GET_DINFO(info) (info)->par + +/* misc macros */ +#define ACCEL(d, i) \ + ((d)->accel && !(d)->ring_lockup && \ + ((i)->var.accel_flags & FB_ACCELF_TEXT)) + +/*#define NOACCEL_CHIPSET(d) \ + ((d)->chipset != INTEL_865G)*/ +#define NOACCEL_CHIPSET(d) \ + (0) + +#define FIXED_MODE(d) ((d)->fixed_mode) + +/*** Driver parameters ***/ + +#define RINGBUFFER_SIZE KB(64) +#define HW_CURSOR_SIZE KB(4) + +/* Intel agpgart driver */ +#define AGP_PHYSICAL_MEMORY 2 + +/* store information about an Ixxx DVO */ +/* The i830->i865 use multiple DVOs with multiple i2cs */ +/* the i915, i945 have a single sDVO i2c bus - which is different */ +#define MAX_OUTPUTS 6 + +/* these are outputs from the chip - integrated only + external chips are via DVO or SDVO output */ +#define INTELFB_OUTPUT_UNUSED 0 +#define INTELFB_OUTPUT_ANALOG 1 +#define INTELFB_OUTPUT_DVO 2 +#define INTELFB_OUTPUT_SDVO 3 +#define INTELFB_OUTPUT_LVDS 4 +#define INTELFB_OUTPUT_TVOUT 5 + +#define INTELFB_DVO_CHIP_NONE 0 +#define INTELFB_DVO_CHIP_LVDS 1 +#define INTELFB_DVO_CHIP_TMDS 2 +#define INTELFB_DVO_CHIP_TVOUT 4 + +#define INTELFB_OUTPUT_PIPE_NC 0 +#define INTELFB_OUTPUT_PIPE_A 1 +#define INTELFB_OUTPUT_PIPE_B 2 + +/*** Data Types ***/ + +/* supported chipsets */ +enum intel_chips { + INTEL_830M, + INTEL_845G, + INTEL_85XGM, + INTEL_852GM, + INTEL_852GME, + INTEL_854, + INTEL_855GM, + INTEL_855GME, + INTEL_865G, + INTEL_915G, + INTEL_915GM, + INTEL_945G, + INTEL_945GM, + INTEL_945GME, + INTEL_965G, + INTEL_965GM, +}; + +struct intelfb_hwstate { + u32 vga0_divisor; + u32 vga1_divisor; + u32 vga_pd; + u32 dpll_a; + u32 dpll_b; + u32 fpa0; + u32 fpa1; + u32 fpb0; + u32 fpb1; + u32 palette_a[PALETTE_8_ENTRIES]; + u32 palette_b[PALETTE_8_ENTRIES]; + u32 htotal_a; + u32 hblank_a; + u32 hsync_a; + u32 vtotal_a; + u32 vblank_a; + u32 vsync_a; + u32 src_size_a; + u32 bclrpat_a; + u32 htotal_b; + u32 hblank_b; + u32 hsync_b; + u32 vtotal_b; + u32 vblank_b; + u32 vsync_b; + u32 src_size_b; + u32 bclrpat_b; + u32 adpa; + u32 dvoa; + u32 dvob; + u32 dvoc; + u32 dvoa_srcdim; + u32 dvob_srcdim; + u32 dvoc_srcdim; + u32 lvds; + u32 pipe_a_conf; + u32 pipe_b_conf; + u32 disp_arb; + u32 cursor_a_control; + u32 cursor_b_control; + u32 cursor_a_base; + u32 cursor_b_base; + u32 cursor_size; + u32 disp_a_ctrl; + u32 disp_b_ctrl; + u32 disp_a_base; + u32 disp_b_base; + u32 cursor_a_palette[4]; + u32 cursor_b_palette[4]; + u32 disp_a_stride; + u32 disp_b_stride; + u32 vgacntrl; + u32 add_id; + u32 swf0x[7]; + u32 swf1x[7]; + u32 swf3x[3]; + u32 fence[8]; + u32 instpm; + u32 mem_mode; + u32 fw_blc_0; + u32 fw_blc_1; + u16 hwstam; + u16 ier; + u16 iir; + u16 imr; +}; + +struct intelfb_heap_data { + u32 physical; + u8 __iomem *virtual; + u32 offset; /* in GATT pages */ + u32 size; /* in bytes */ +}; + +#ifdef CONFIG_FB_INTEL_I2C +struct intelfb_i2c_chan { + struct intelfb_info *dinfo; + u32 reg; + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; +}; +#endif + +struct intelfb_output_rec { + int type; + int pipe; + int flags; + +#ifdef CONFIG_FB_INTEL_I2C + struct intelfb_i2c_chan i2c_bus; + struct intelfb_i2c_chan ddc_bus; +#endif +}; + +struct intelfb_vsync { + wait_queue_head_t wait; + unsigned int count; + int pan_display; + u32 pan_offset; +}; + +struct intelfb_info { + struct fb_info *info; + const struct fb_ops *fbops; + struct pci_dev *pdev; + + struct intelfb_hwstate save_state; + + /* agpgart structs */ + struct agp_memory *gtt_fb_mem; /* use all stolen memory or vram */ + struct agp_memory *gtt_ring_mem; /* ring buffer */ + struct agp_memory *gtt_cursor_mem; /* hw cursor */ + + /* use a gart reserved fb mem */ + u8 fbmem_gart; + + int wc_cookie; + + /* heap data */ + struct intelfb_heap_data aperture; + struct intelfb_heap_data fb; + struct intelfb_heap_data ring; + struct intelfb_heap_data cursor; + + /* mmio regs */ + u32 mmio_base_phys; + u8 __iomem *mmio_base; + + /* fb start offset (in bytes) */ + u32 fb_start; + + /* ring buffer */ + u32 ring_head; + u32 ring_tail; + u32 ring_tail_mask; + u32 ring_space; + u32 ring_lockup; + + /* palette */ + u32 pseudo_palette[16]; + + /* chip info */ + int pci_chipset; + int chipset; + const char *name; + int mobile; + + /* current mode */ + int bpp, depth; + u32 visual; + int xres, yres, pitch; + int pixclock; + + /* current pipe */ + int pipe; + + /* some flags */ + int accel; + int hwcursor; + int fixed_mode; + int ring_active; + int flag; + unsigned long irq_flags; + int open; + + /* vsync */ + struct intelfb_vsync vsync; + spinlock_t int_lock; + + /* hw cursor */ + int cursor_on; + int cursor_blanked; + u8 cursor_src[64]; + + /* initial parameters */ + int initial_vga; + struct fb_var_screeninfo initial_var; + u32 initial_fb_base; + u32 initial_video_ram; + u32 initial_pitch; + + /* driver registered */ + int registered; + + /* index into plls */ + int pll_index; + + /* outputs */ + int num_outputs; + struct intelfb_output_rec output[MAX_OUTPUTS]; +}; + +#define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G) || \ + ((dinfo)->chipset == INTEL_915GM) || \ + ((dinfo)->chipset == INTEL_945G) || \ + ((dinfo)->chipset == INTEL_945GM) || \ + ((dinfo)->chipset == INTEL_945GME) || \ + ((dinfo)->chipset == INTEL_965G) || \ + ((dinfo)->chipset == INTEL_965GM)) + +/*** function prototypes ***/ + +extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var); + +#ifdef CONFIG_FB_INTEL_I2C +extern void intelfb_create_i2c_busses(struct intelfb_info *dinfo); +extern void intelfb_delete_i2c_busses(struct intelfb_info *dinfo); +#endif + +#endif /* _INTELFB_H */ |