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authorTomi Valkeinen <tomi.valkeinen@ti.com>2014-02-13 15:31:38 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-04-17 08:10:19 +0300
commitf7018c21350204c4cf628462f229d44d03545254 (patch)
tree408787177164cf51cc06f7aabdb04fcff8d2b6aa /drivers/video/stifb.c
parentc26ef3eb3c11274bad1b64498d0a134f85755250 (diff)
downloadop-kernel-dev-f7018c21350204c4cf628462f229d44d03545254.zip
op-kernel-dev-f7018c21350204c4cf628462f229d44d03545254.tar.gz
video: move fbdev to drivers/video/fbdev
The drivers/video directory is a mess. It contains generic video related files, directories for backlight, console, linux logo, lots of fbdev device drivers, fbdev framework files. Make some order into the chaos by creating drivers/video/fbdev directory, and move all fbdev related files there. No functionality is changed, although I guess it is possible that some subtle Makefile build order related issue could be created by this patch. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Rob Clark <robdclark@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/video/stifb.c')
-rw-r--r--drivers/video/stifb.c1417
1 files changed, 0 insertions, 1417 deletions
diff --git a/drivers/video/stifb.c b/drivers/video/stifb.c
deleted file mode 100644
index cfe8a2f..0000000
--- a/drivers/video/stifb.c
+++ /dev/null
@@ -1,1417 +0,0 @@
-/*
- * linux/drivers/video/stifb.c -
- * Low level Frame buffer driver for HP workstations with
- * STI (standard text interface) video firmware.
- *
- * Copyright (C) 2001-2006 Helge Deller <deller@gmx.de>
- * Portions Copyright (C) 2001 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
- *
- * Based on:
- * - linux/drivers/video/artistfb.c -- Artist frame buffer driver
- * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
- * - based on skeletonfb, which was
- * Created 28 Dec 1997 by Geert Uytterhoeven
- * - HP Xhp cfb-based X11 window driver for XFree86
- * (c)Copyright 1992 Hewlett-Packard Co.
- *
- *
- * The following graphics display devices (NGLE family) are supported by this driver:
- *
- * HPA4070A known as "HCRX", a 1280x1024 color device with 8 planes
- * HPA4071A known as "HCRX24", a 1280x1024 color device with 24 planes,
- * optionally available with a hardware accelerator as HPA4071A_Z
- * HPA1659A known as "CRX", a 1280x1024 color device with 8 planes
- * HPA1439A known as "CRX24", a 1280x1024 color device with 24 planes,
- * optionally available with a hardware accelerator.
- * HPA1924A known as "GRX", a 1280x1024 grayscale device with 8 planes
- * HPA2269A known as "Dual CRX", a 1280x1024 color device with 8 planes,
- * implements support for two displays on a single graphics card.
- * HP710C internal graphics support optionally available on the HP9000s710 SPU,
- * supports 1280x1024 color displays with 8 planes.
- * HP710G same as HP710C, 1280x1024 grayscale only
- * HP710L same as HP710C, 1024x768 color only
- * HP712 internal graphics support on HP9000s712 SPU, supports 640x480,
- * 1024x768 or 1280x1024 color displays on 8 planes (Artist)
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
-
-/* TODO:
- * - 1bpp mode is completely untested
- * - add support for h/w acceleration
- * - add hardware cursor
- * - automatically disable double buffering (e.g. on RDI precisionbook laptop)
- */
-
-
-/* on supported graphic devices you may:
- * #define FALLBACK_TO_1BPP to fall back to 1 bpp, or
- * #undef FALLBACK_TO_1BPP to reject support for unsupported cards */
-#undef FALLBACK_TO_1BPP
-
-#undef DEBUG_STIFB_REGS /* debug sti register accesses */
-
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-
-#include <asm/grfioctl.h> /* for HP-UX compatibility */
-#include <asm/uaccess.h>
-
-#include "sticore.h"
-
-/* REGION_BASE(fb_info, index) returns the virtual address for region <index> */
-#define REGION_BASE(fb_info, index) \
- F_EXTEND(fb_info->sti->glob_cfg->region_ptrs[index])
-
-#define NGLEDEVDEPROM_CRT_REGION 1
-
-#define NR_PALETTE 256
-
-typedef struct {
- __s32 video_config_reg;
- __s32 misc_video_start;
- __s32 horiz_timing_fmt;
- __s32 serr_timing_fmt;
- __s32 vert_timing_fmt;
- __s32 horiz_state;
- __s32 vert_state;
- __s32 vtg_state_elements;
- __s32 pipeline_delay;
- __s32 misc_video_end;
-} video_setup_t;
-
-typedef struct {
- __s16 sizeof_ngle_data;
- __s16 x_size_visible; /* visible screen dim in pixels */
- __s16 y_size_visible;
- __s16 pad2[15];
- __s16 cursor_pipeline_delay;
- __s16 video_interleaves;
- __s32 pad3[11];
-} ngle_rom_t;
-
-struct stifb_info {
- struct fb_info info;
- unsigned int id;
- ngle_rom_t ngle_rom;
- struct sti_struct *sti;
- int deviceSpecificConfig;
- u32 pseudo_palette[16];
-};
-
-static int __initdata stifb_bpp_pref[MAX_STI_ROMS];
-
-/* ------------------- chipset specific functions -------------------------- */
-
-/* offsets to graphic-chip internal registers */
-
-#define REG_1 0x000118
-#define REG_2 0x000480
-#define REG_3 0x0004a0
-#define REG_4 0x000600
-#define REG_6 0x000800
-#define REG_8 0x000820
-#define REG_9 0x000a04
-#define REG_10 0x018000
-#define REG_11 0x018004
-#define REG_12 0x01800c
-#define REG_13 0x018018
-#define REG_14 0x01801c
-#define REG_15 0x200000
-#define REG_15b0 0x200000
-#define REG_16b1 0x200005
-#define REG_16b3 0x200007
-#define REG_21 0x200218
-#define REG_22 0x0005a0
-#define REG_23 0x0005c0
-#define REG_26 0x200118
-#define REG_27 0x200308
-#define REG_32 0x21003c
-#define REG_33 0x210040
-#define REG_34 0x200008
-#define REG_35 0x018010
-#define REG_38 0x210020
-#define REG_39 0x210120
-#define REG_40 0x210130
-#define REG_42 0x210028
-#define REG_43 0x21002c
-#define REG_44 0x210030
-#define REG_45 0x210034
-
-#define READ_BYTE(fb,reg) gsc_readb((fb)->info.fix.mmio_start + (reg))
-#define READ_WORD(fb,reg) gsc_readl((fb)->info.fix.mmio_start + (reg))
-
-
-#ifndef DEBUG_STIFB_REGS
-# define DEBUG_OFF()
-# define DEBUG_ON()
-# define WRITE_BYTE(value,fb,reg) gsc_writeb((value),(fb)->info.fix.mmio_start + (reg))
-# define WRITE_WORD(value,fb,reg) gsc_writel((value),(fb)->info.fix.mmio_start + (reg))
-#else
- static int debug_on = 1;
-# define DEBUG_OFF() debug_on=0
-# define DEBUG_ON() debug_on=1
-# define WRITE_BYTE(value,fb,reg) do { if (debug_on) \
- printk(KERN_DEBUG "%30s: WRITE_BYTE(0x%06x) = 0x%02x (old=0x%02x)\n", \
- __func__, reg, value, READ_BYTE(fb,reg)); \
- gsc_writeb((value),(fb)->info.fix.mmio_start + (reg)); } while (0)
-# define WRITE_WORD(value,fb,reg) do { if (debug_on) \
- printk(KERN_DEBUG "%30s: WRITE_WORD(0x%06x) = 0x%08x (old=0x%08x)\n", \
- __func__, reg, value, READ_WORD(fb,reg)); \
- gsc_writel((value),(fb)->info.fix.mmio_start + (reg)); } while (0)
-#endif /* DEBUG_STIFB_REGS */
-
-
-#define ENABLE 1 /* for enabling/disabling screen */
-#define DISABLE 0
-
-#define NGLE_LOCK(fb_info) do { } while (0)
-#define NGLE_UNLOCK(fb_info) do { } while (0)
-
-static void
-SETUP_HW(struct stifb_info *fb)
-{
- char stat;
-
- do {
- stat = READ_BYTE(fb, REG_15b0);
- if (!stat)
- stat = READ_BYTE(fb, REG_15b0);
- } while (stat);
-}
-
-
-static void
-SETUP_FB(struct stifb_info *fb)
-{
- unsigned int reg10_value = 0;
-
- SETUP_HW(fb);
- switch (fb->id)
- {
- case CRT_ID_VISUALIZE_EG:
- case S9000_ID_ARTIST:
- case S9000_ID_A1659A:
- reg10_value = 0x13601000;
- break;
- case S9000_ID_A1439A:
- if (fb->info.var.bits_per_pixel == 32)
- reg10_value = 0xBBA0A000;
- else
- reg10_value = 0x13601000;
- break;
- case S9000_ID_HCRX:
- if (fb->info.var.bits_per_pixel == 32)
- reg10_value = 0xBBA0A000;
- else
- reg10_value = 0x13602000;
- break;
- case S9000_ID_TIMBER:
- case CRX24_OVERLAY_PLANES:
- reg10_value = 0x13602000;
- break;
- }
- if (reg10_value)
- WRITE_WORD(reg10_value, fb, REG_10);
- WRITE_WORD(0x83000300, fb, REG_14);
- SETUP_HW(fb);
- WRITE_BYTE(1, fb, REG_16b1);
-}
-
-static void
-START_IMAGE_COLORMAP_ACCESS(struct stifb_info *fb)
-{
- SETUP_HW(fb);
- WRITE_WORD(0xBBE0F000, fb, REG_10);
- WRITE_WORD(0x03000300, fb, REG_14);
- WRITE_WORD(~0, fb, REG_13);
-}
-
-static void
-WRITE_IMAGE_COLOR(struct stifb_info *fb, int index, int color)
-{
- SETUP_HW(fb);
- WRITE_WORD(((0x100+index)<<2), fb, REG_3);
- WRITE_WORD(color, fb, REG_4);
-}
-
-static void
-FINISH_IMAGE_COLORMAP_ACCESS(struct stifb_info *fb)
-{
- WRITE_WORD(0x400, fb, REG_2);
- if (fb->info.var.bits_per_pixel == 32) {
- WRITE_WORD(0x83000100, fb, REG_1);
- } else {
- if (fb->id == S9000_ID_ARTIST || fb->id == CRT_ID_VISUALIZE_EG)
- WRITE_WORD(0x80000100, fb, REG_26);
- else
- WRITE_WORD(0x80000100, fb, REG_1);
- }
- SETUP_FB(fb);
-}
-
-static void
-SETUP_RAMDAC(struct stifb_info *fb)
-{
- SETUP_HW(fb);
- WRITE_WORD(0x04000000, fb, 0x1020);
- WRITE_WORD(0xff000000, fb, 0x1028);
-}
-
-static void
-CRX24_SETUP_RAMDAC(struct stifb_info *fb)
-{
- SETUP_HW(fb);
- WRITE_WORD(0x04000000, fb, 0x1000);
- WRITE_WORD(0x02000000, fb, 0x1004);
- WRITE_WORD(0xff000000, fb, 0x1008);
- WRITE_WORD(0x05000000, fb, 0x1000);
- WRITE_WORD(0x02000000, fb, 0x1004);
- WRITE_WORD(0x03000000, fb, 0x1008);
-}
-
-#if 0
-static void
-HCRX_SETUP_RAMDAC(struct stifb_info *fb)
-{
- WRITE_WORD(0xffffffff, fb, REG_32);
-}
-#endif
-
-static void
-CRX24_SET_OVLY_MASK(struct stifb_info *fb)
-{
- SETUP_HW(fb);
- WRITE_WORD(0x13a02000, fb, REG_11);
- WRITE_WORD(0x03000300, fb, REG_14);
- WRITE_WORD(0x000017f0, fb, REG_3);
- WRITE_WORD(0xffffffff, fb, REG_13);
- WRITE_WORD(0xffffffff, fb, REG_22);
- WRITE_WORD(0x00000000, fb, REG_23);
-}
-
-static void
-ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
-{
- unsigned int value = enable ? 0x43000000 : 0x03000000;
- SETUP_HW(fb);
- WRITE_WORD(0x06000000, fb, 0x1030);
- WRITE_WORD(value, fb, 0x1038);
-}
-
-static void
-CRX24_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
-{
- unsigned int value = enable ? 0x10000000 : 0x30000000;
- SETUP_HW(fb);
- WRITE_WORD(0x01000000, fb, 0x1000);
- WRITE_WORD(0x02000000, fb, 0x1004);
- WRITE_WORD(value, fb, 0x1008);
-}
-
-static void
-ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
-{
- u32 DregsMiscVideo = REG_21;
- u32 DregsMiscCtl = REG_27;
-
- SETUP_HW(fb);
- if (enable) {
- WRITE_WORD(READ_WORD(fb, DregsMiscVideo) | 0x0A000000, fb, DregsMiscVideo);
- WRITE_WORD(READ_WORD(fb, DregsMiscCtl) | 0x00800000, fb, DregsMiscCtl);
- } else {
- WRITE_WORD(READ_WORD(fb, DregsMiscVideo) & ~0x0A000000, fb, DregsMiscVideo);
- WRITE_WORD(READ_WORD(fb, DregsMiscCtl) & ~0x00800000, fb, DregsMiscCtl);
- }
-}
-
-#define GET_ROMTABLE_INDEX(fb) \
- (READ_BYTE(fb, REG_16b3) - 1)
-
-#define HYPER_CONFIG_PLANES_24 0x00000100
-
-#define IS_24_DEVICE(fb) \
- (fb->deviceSpecificConfig & HYPER_CONFIG_PLANES_24)
-
-#define IS_888_DEVICE(fb) \
- (!(IS_24_DEVICE(fb)))
-
-#define GET_FIFO_SLOTS(fb, cnt, numslots) \
-{ while (cnt < numslots) \
- cnt = READ_WORD(fb, REG_34); \
- cnt -= numslots; \
-}
-
-#define IndexedDcd 0 /* Pixel data is indexed (pseudo) color */
-#define Otc04 2 /* Pixels in each longword transfer (4) */
-#define Otc32 5 /* Pixels in each longword transfer (32) */
-#define Ots08 3 /* Each pixel is size (8)d transfer (1) */
-#define OtsIndirect 6 /* Each bit goes through FG/BG color(8) */
-#define AddrLong 5 /* FB address is Long aligned (pixel) */
-#define BINovly 0x2 /* 8 bit overlay */
-#define BINapp0I 0x0 /* Application Buffer 0, Indexed */
-#define BINapp1I 0x1 /* Application Buffer 1, Indexed */
-#define BINapp0F8 0xa /* Application Buffer 0, Fractional 8-8-8 */
-#define BINattr 0xd /* Attribute Bitmap */
-#define RopSrc 0x3
-#define BitmapExtent08 3 /* Each write hits ( 8) bits in depth */
-#define BitmapExtent32 5 /* Each write hits (32) bits in depth */
-#define DataDynamic 0 /* Data register reloaded by direct access */
-#define MaskDynamic 1 /* Mask register reloaded by direct access */
-#define MaskOtc 0 /* Mask contains Object Count valid bits */
-
-#define MaskAddrOffset(offset) (offset)
-#define StaticReg(en) (en)
-#define BGx(en) (en)
-#define FGx(en) (en)
-
-#define BAJustPoint(offset) (offset)
-#define BAIndexBase(base) (base)
-#define BA(F,C,S,A,J,B,I) \
- (((F)<<31)|((C)<<27)|((S)<<24)|((A)<<21)|((J)<<16)|((B)<<12)|(I))
-
-#define IBOvals(R,M,X,S,D,L,B,F) \
- (((R)<<8)|((M)<<16)|((X)<<24)|((S)<<29)|((D)<<28)|((L)<<31)|((B)<<1)|(F))
-
-#define NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb, val) \
- WRITE_WORD(val, fb, REG_14)
-
-#define NGLE_QUICK_SET_DST_BM_ACCESS(fb, val) \
- WRITE_WORD(val, fb, REG_11)
-
-#define NGLE_QUICK_SET_CTL_PLN_REG(fb, val) \
- WRITE_WORD(val, fb, REG_12)
-
-#define NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, plnmsk32) \
- WRITE_WORD(plnmsk32, fb, REG_13)
-
-#define NGLE_REALLY_SET_IMAGE_FG_COLOR(fb, fg32) \
- WRITE_WORD(fg32, fb, REG_35)
-
-#define NGLE_SET_TRANSFERDATA(fb, val) \
- WRITE_WORD(val, fb, REG_8)
-
-#define NGLE_SET_DSTXY(fb, val) \
- WRITE_WORD(val, fb, REG_6)
-
-#define NGLE_LONG_FB_ADDRESS(fbaddrbase, x, y) ( \
- (u32) (fbaddrbase) + \
- ( (unsigned int) ( (y) << 13 ) | \
- (unsigned int) ( (x) << 2 ) ) \
- )
-
-#define NGLE_BINC_SET_DSTADDR(fb, addr) \
- WRITE_WORD(addr, fb, REG_3)
-
-#define NGLE_BINC_SET_SRCADDR(fb, addr) \
- WRITE_WORD(addr, fb, REG_2)
-
-#define NGLE_BINC_SET_DSTMASK(fb, mask) \
- WRITE_WORD(mask, fb, REG_22)
-
-#define NGLE_BINC_WRITE32(fb, data32) \
- WRITE_WORD(data32, fb, REG_23)
-
-#define START_COLORMAPLOAD(fb, cmapBltCtlData32) \
- WRITE_WORD((cmapBltCtlData32), fb, REG_38)
-
-#define SET_LENXY_START_RECFILL(fb, lenxy) \
- WRITE_WORD(lenxy, fb, REG_9)
-
-static void
-HYPER_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
-{
- u32 DregsHypMiscVideo = REG_33;
- unsigned int value;
- SETUP_HW(fb);
- value = READ_WORD(fb, DregsHypMiscVideo);
- if (enable)
- value |= 0x0A000000;
- else
- value &= ~0x0A000000;
- WRITE_WORD(value, fb, DregsHypMiscVideo);
-}
-
-
-/* BufferNumbers used by SETUP_ATTR_ACCESS() */
-#define BUFF0_CMAP0 0x00001e02
-#define BUFF1_CMAP0 0x02001e02
-#define BUFF1_CMAP3 0x0c001e02
-#define ARTIST_CMAP0 0x00000102
-#define HYPER_CMAP8 0x00000100
-#define HYPER_CMAP24 0x00000800
-
-static void
-SETUP_ATTR_ACCESS(struct stifb_info *fb, unsigned BufferNumber)
-{
- SETUP_HW(fb);
- WRITE_WORD(0x2EA0D000, fb, REG_11);
- WRITE_WORD(0x23000302, fb, REG_14);
- WRITE_WORD(BufferNumber, fb, REG_12);
- WRITE_WORD(0xffffffff, fb, REG_8);
-}
-
-static void
-SET_ATTR_SIZE(struct stifb_info *fb, int width, int height)
-{
- /* REG_6 seems to have special values when run on a
- RDI precisionbook parisc laptop (INTERNAL_EG_DX1024 or
- INTERNAL_EG_X1024). The values are:
- 0x2f0: internal (LCD) & external display enabled
- 0x2a0: external display only
- 0x000: zero on standard artist graphic cards
- */
- WRITE_WORD(0x00000000, fb, REG_6);
- WRITE_WORD((width<<16) | height, fb, REG_9);
- WRITE_WORD(0x05000000, fb, REG_6);
- WRITE_WORD(0x00040001, fb, REG_9);
-}
-
-static void
-FINISH_ATTR_ACCESS(struct stifb_info *fb)
-{
- SETUP_HW(fb);
- WRITE_WORD(0x00000000, fb, REG_12);
-}
-
-static void
-elkSetupPlanes(struct stifb_info *fb)
-{
- SETUP_RAMDAC(fb);
- SETUP_FB(fb);
-}
-
-static void
-ngleSetupAttrPlanes(struct stifb_info *fb, int BufferNumber)
-{
- SETUP_ATTR_ACCESS(fb, BufferNumber);
- SET_ATTR_SIZE(fb, fb->info.var.xres, fb->info.var.yres);
- FINISH_ATTR_ACCESS(fb);
- SETUP_FB(fb);
-}
-
-
-static void
-rattlerSetupPlanes(struct stifb_info *fb)
-{
- int saved_id, y;
-
- /* Write RAMDAC pixel read mask register so all overlay
- * planes are display-enabled. (CRX24 uses Bt462 pixel
- * read mask register for overlay planes, not image planes).
- */
- CRX24_SETUP_RAMDAC(fb);
-
- /* change fb->id temporarily to fool SETUP_FB() */
- saved_id = fb->id;
- fb->id = CRX24_OVERLAY_PLANES;
- SETUP_FB(fb);
- fb->id = saved_id;
-
- for (y = 0; y < fb->info.var.yres; ++y)
- memset(fb->info.screen_base + y * fb->info.fix.line_length,
- 0xff, fb->info.var.xres * fb->info.var.bits_per_pixel/8);
-
- CRX24_SET_OVLY_MASK(fb);
- SETUP_FB(fb);
-}
-
-
-#define HYPER_CMAP_TYPE 0
-#define NGLE_CMAP_INDEXED0_TYPE 0
-#define NGLE_CMAP_OVERLAY_TYPE 3
-
-/* typedef of LUT (Colormap) BLT Control Register */
-typedef union /* Note assumption that fields are packed left-to-right */
-{ u32 all;
- struct
- {
- unsigned enable : 1;
- unsigned waitBlank : 1;
- unsigned reserved1 : 4;
- unsigned lutOffset : 10; /* Within destination LUT */
- unsigned lutType : 2; /* Cursor, image, overlay */
- unsigned reserved2 : 4;
- unsigned length : 10;
- } fields;
-} NgleLutBltCtl;
-
-
-#if 0
-static NgleLutBltCtl
-setNgleLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length)
-{
- NgleLutBltCtl lutBltCtl;
-
- /* set enable, zero reserved fields */
- lutBltCtl.all = 0x80000000;
- lutBltCtl.fields.length = length;
-
- switch (fb->id)
- {
- case S9000_ID_A1439A: /* CRX24 */
- if (fb->var.bits_per_pixel == 8) {
- lutBltCtl.fields.lutType = NGLE_CMAP_OVERLAY_TYPE;
- lutBltCtl.fields.lutOffset = 0;
- } else {
- lutBltCtl.fields.lutType = NGLE_CMAP_INDEXED0_TYPE;
- lutBltCtl.fields.lutOffset = 0 * 256;
- }
- break;
-
- case S9000_ID_ARTIST:
- lutBltCtl.fields.lutType = NGLE_CMAP_INDEXED0_TYPE;
- lutBltCtl.fields.lutOffset = 0 * 256;
- break;
-
- default:
- lutBltCtl.fields.lutType = NGLE_CMAP_INDEXED0_TYPE;
- lutBltCtl.fields.lutOffset = 0;
- break;
- }
-
- /* Offset points to start of LUT. Adjust for within LUT */
- lutBltCtl.fields.lutOffset += offsetWithinLut;
-
- return lutBltCtl;
-}
-#endif
-
-static NgleLutBltCtl
-setHyperLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length)
-{
- NgleLutBltCtl lutBltCtl;
-
- /* set enable, zero reserved fields */
- lutBltCtl.all = 0x80000000;
-
- lutBltCtl.fields.length = length;
- lutBltCtl.fields.lutType = HYPER_CMAP_TYPE;
-
- /* Expect lutIndex to be 0 or 1 for image cmaps, 2 or 3 for overlay cmaps */
- if (fb->info.var.bits_per_pixel == 8)
- lutBltCtl.fields.lutOffset = 2 * 256;
- else
- lutBltCtl.fields.lutOffset = 0 * 256;
-
- /* Offset points to start of LUT. Adjust for within LUT */
- lutBltCtl.fields.lutOffset += offsetWithinLut;
-
- return lutBltCtl;
-}
-
-
-static void hyperUndoITE(struct stifb_info *fb)
-{
- int nFreeFifoSlots = 0;
- u32 fbAddr;
-
- NGLE_LOCK(fb);
-
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 1);
- WRITE_WORD(0xffffffff, fb, REG_32);
-
- /* Write overlay transparency mask so only entry 255 is transparent */
-
- /* Hardware setup for full-depth write to "magic" location */
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 7);
- NGLE_QUICK_SET_DST_BM_ACCESS(fb,
- BA(IndexedDcd, Otc04, Ots08, AddrLong,
- BAJustPoint(0), BINovly, BAIndexBase(0)));
- NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb,
- IBOvals(RopSrc, MaskAddrOffset(0),
- BitmapExtent08, StaticReg(0),
- DataDynamic, MaskOtc, BGx(0), FGx(0)));
-
- /* Now prepare to write to the "magic" location */
- fbAddr = NGLE_LONG_FB_ADDRESS(0, 1532, 0);
- NGLE_BINC_SET_DSTADDR(fb, fbAddr);
- NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, 0xffffff);
- NGLE_BINC_SET_DSTMASK(fb, 0xffffffff);
-
- /* Finally, write a zero to clear the mask */
- NGLE_BINC_WRITE32(fb, 0);
-
- NGLE_UNLOCK(fb);
-}
-
-static void
-ngleDepth8_ClearImagePlanes(struct stifb_info *fb)
-{
- /* FIXME! */
-}
-
-static void
-ngleDepth24_ClearImagePlanes(struct stifb_info *fb)
-{
- /* FIXME! */
-}
-
-static void
-ngleResetAttrPlanes(struct stifb_info *fb, unsigned int ctlPlaneReg)
-{
- int nFreeFifoSlots = 0;
- u32 packed_dst;
- u32 packed_len;
-
- NGLE_LOCK(fb);
-
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 4);
- NGLE_QUICK_SET_DST_BM_ACCESS(fb,
- BA(IndexedDcd, Otc32, OtsIndirect,
- AddrLong, BAJustPoint(0),
- BINattr, BAIndexBase(0)));
- NGLE_QUICK_SET_CTL_PLN_REG(fb, ctlPlaneReg);
- NGLE_SET_TRANSFERDATA(fb, 0xffffffff);
-
- NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb,
- IBOvals(RopSrc, MaskAddrOffset(0),
- BitmapExtent08, StaticReg(1),
- DataDynamic, MaskOtc,
- BGx(0), FGx(0)));
- packed_dst = 0;
- packed_len = (fb->info.var.xres << 16) | fb->info.var.yres;
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 2);
- NGLE_SET_DSTXY(fb, packed_dst);
- SET_LENXY_START_RECFILL(fb, packed_len);
-
- /*
- * In order to work around an ELK hardware problem (Buffy doesn't
- * always flush it's buffers when writing to the attribute
- * planes), at least 4 pixels must be written to the attribute
- * planes starting at (X == 1280) and (Y != to the last Y written
- * by BIF):
- */
-
- if (fb->id == S9000_ID_A1659A) { /* ELK_DEVICE_ID */
- /* It's safe to use scanline zero: */
- packed_dst = (1280 << 16);
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 2);
- NGLE_SET_DSTXY(fb, packed_dst);
- packed_len = (4 << 16) | 1;
- SET_LENXY_START_RECFILL(fb, packed_len);
- } /* ELK Hardware Kludge */
-
- /**** Finally, set the Control Plane Register back to zero: ****/
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 1);
- NGLE_QUICK_SET_CTL_PLN_REG(fb, 0);
-
- NGLE_UNLOCK(fb);
-}
-
-static void
-ngleClearOverlayPlanes(struct stifb_info *fb, int mask, int data)
-{
- int nFreeFifoSlots = 0;
- u32 packed_dst;
- u32 packed_len;
-
- NGLE_LOCK(fb);
-
- /* Hardware setup */
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 8);
- NGLE_QUICK_SET_DST_BM_ACCESS(fb,
- BA(IndexedDcd, Otc04, Ots08, AddrLong,
- BAJustPoint(0), BINovly, BAIndexBase(0)));
-
- NGLE_SET_TRANSFERDATA(fb, 0xffffffff); /* Write foreground color */
-
- NGLE_REALLY_SET_IMAGE_FG_COLOR(fb, data);
- NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, mask);
-
- packed_dst = 0;
- packed_len = (fb->info.var.xres << 16) | fb->info.var.yres;
- NGLE_SET_DSTXY(fb, packed_dst);
-
- /* Write zeroes to overlay planes */
- NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb,
- IBOvals(RopSrc, MaskAddrOffset(0),
- BitmapExtent08, StaticReg(0),
- DataDynamic, MaskOtc, BGx(0), FGx(0)));
-
- SET_LENXY_START_RECFILL(fb, packed_len);
-
- NGLE_UNLOCK(fb);
-}
-
-static void
-hyperResetPlanes(struct stifb_info *fb, int enable)
-{
- unsigned int controlPlaneReg;
-
- NGLE_LOCK(fb);
-
- if (IS_24_DEVICE(fb))
- if (fb->info.var.bits_per_pixel == 32)
- controlPlaneReg = 0x04000F00;
- else
- controlPlaneReg = 0x00000F00; /* 0x00000800 should be enough, but lets clear all 4 bits */
- else
- controlPlaneReg = 0x00000F00; /* 0x00000100 should be enough, but lets clear all 4 bits */
-
- switch (enable) {
- case ENABLE:
- /* clear screen */
- if (IS_24_DEVICE(fb))
- ngleDepth24_ClearImagePlanes(fb);
- else
- ngleDepth8_ClearImagePlanes(fb);
-
- /* Paint attribute planes for default case.
- * On Hyperdrive, this means all windows using overlay cmap 0. */
- ngleResetAttrPlanes(fb, controlPlaneReg);
-
- /* clear overlay planes */
- ngleClearOverlayPlanes(fb, 0xff, 255);
-
- /**************************************************
- ** Also need to counteract ITE settings
- **************************************************/
- hyperUndoITE(fb);
- break;
-
- case DISABLE:
- /* clear screen */
- if (IS_24_DEVICE(fb))
- ngleDepth24_ClearImagePlanes(fb);
- else
- ngleDepth8_ClearImagePlanes(fb);
- ngleResetAttrPlanes(fb, controlPlaneReg);
- ngleClearOverlayPlanes(fb, 0xff, 0);
- break;
-
- case -1: /* RESET */
- hyperUndoITE(fb);
- ngleResetAttrPlanes(fb, controlPlaneReg);
- break;
- }
-
- NGLE_UNLOCK(fb);
-}
-
-/* Return pointer to in-memory structure holding ELK device-dependent ROM values. */
-
-static void
-ngleGetDeviceRomData(struct stifb_info *fb)
-{
-#if 0
-XXX: FIXME: !!!
- int *pBytePerLongDevDepData;/* data byte == LSB */
- int *pRomTable;
- NgleDevRomData *pPackedDevRomData;
- int sizePackedDevRomData = sizeof(*pPackedDevRomData);
- char *pCard8;
- int i;
- char *mapOrigin = NULL;
-
- int romTableIdx;
-
- pPackedDevRomData = fb->ngle_rom;
-
- SETUP_HW(fb);
- if (fb->id == S9000_ID_ARTIST) {
- pPackedDevRomData->cursor_pipeline_delay = 4;
- pPackedDevRomData->video_interleaves = 4;
- } else {
- /* Get pointer to unpacked byte/long data in ROM */
- pBytePerLongDevDepData = fb->sti->regions[NGLEDEVDEPROM_CRT_REGION];
-
- /* Tomcat supports several resolutions: 1280x1024, 1024x768, 640x480 */
- if (fb->id == S9000_ID_TOMCAT)
- {
- /* jump to the correct ROM table */
- GET_ROMTABLE_INDEX(romTableIdx);
- while (romTableIdx > 0)
- {
- pCard8 = (Card8 *) pPackedDevRomData;
- pRomTable = pBytePerLongDevDepData;
- /* Pack every fourth byte from ROM into structure */
- for (i = 0; i < sizePackedDevRomData; i++)
- {
- *pCard8++ = (Card8) (*pRomTable++);
- }
-
- pBytePerLongDevDepData = (Card32 *)
- ((Card8 *) pBytePerLongDevDepData +
- pPackedDevRomData->sizeof_ngle_data);
-
- romTableIdx--;
- }
- }
-
- pCard8 = (Card8 *) pPackedDevRomData;
-
- /* Pack every fourth byte from ROM into structure */
- for (i = 0; i < sizePackedDevRomData; i++)
- {
- *pCard8++ = (Card8) (*pBytePerLongDevDepData++);
- }
- }
-
- SETUP_FB(fb);
-#endif
-}
-
-
-#define HYPERBOWL_MODE_FOR_8_OVER_88_LUT0_NO_TRANSPARENCIES 4
-#define HYPERBOWL_MODE01_8_24_LUT0_TRANSPARENT_LUT1_OPAQUE 8
-#define HYPERBOWL_MODE01_8_24_LUT0_OPAQUE_LUT1_OPAQUE 10
-#define HYPERBOWL_MODE2_8_24 15
-
-/* HCRX specific boot-time initialization */
-static void __init
-SETUP_HCRX(struct stifb_info *fb)
-{
- int hyperbowl;
- int nFreeFifoSlots = 0;
-
- if (fb->id != S9000_ID_HCRX)
- return;
-
- /* Initialize Hyperbowl registers */
- GET_FIFO_SLOTS(fb, nFreeFifoSlots, 7);
-
- if (IS_24_DEVICE(fb)) {
- hyperbowl = (fb->info.var.bits_per_pixel == 32) ?
- HYPERBOWL_MODE01_8_24_LUT0_TRANSPARENT_LUT1_OPAQUE :
- HYPERBOWL_MODE01_8_24_LUT0_OPAQUE_LUT1_OPAQUE;
-
- /* First write to Hyperbowl must happen twice (bug) */
- WRITE_WORD(hyperbowl, fb, REG_40);
- WRITE_WORD(hyperbowl, fb, REG_40);
-
- WRITE_WORD(HYPERBOWL_MODE2_8_24, fb, REG_39);
-
- WRITE_WORD(0x014c0148, fb, REG_42); /* Set lut 0 to be the direct color */
- WRITE_WORD(0x404c4048, fb, REG_43);
- WRITE_WORD(0x034c0348, fb, REG_44);
- WRITE_WORD(0x444c4448, fb, REG_45);
- } else {
- hyperbowl = HYPERBOWL_MODE_FOR_8_OVER_88_LUT0_NO_TRANSPARENCIES;
-
- /* First write to Hyperbowl must happen twice (bug) */
- WRITE_WORD(hyperbowl, fb, REG_40);
- WRITE_WORD(hyperbowl, fb, REG_40);
-
- WRITE_WORD(0x00000000, fb, REG_42);
- WRITE_WORD(0x00000000, fb, REG_43);
- WRITE_WORD(0x00000000, fb, REG_44);
- WRITE_WORD(0x444c4048, fb, REG_45);
- }
-}
-
-
-/* ------------------- driver specific functions --------------------------- */
-
-static int
-stifb_setcolreg(u_int regno, u_int red, u_int green,
- u_int blue, u_int transp, struct fb_info *info)
-{
- struct stifb_info *fb = (struct stifb_info *) info;
- u32 color;
-
- if (regno >= NR_PALETTE)
- return 1;
-
- red >>= 8;
- green >>= 8;
- blue >>= 8;
-
- DEBUG_OFF();
-
- START_IMAGE_COLORMAP_ACCESS(fb);
-
- if (unlikely(fb->info.var.grayscale)) {
- /* gray = 0.30*R + 0.59*G + 0.11*B */
- color = ((red * 77) +
- (green * 151) +
- (blue * 28)) >> 8;
- } else {
- color = ((red << 16) |
- (green << 8) |
- (blue));
- }
-
- if (fb->info.fix.visual == FB_VISUAL_DIRECTCOLOR) {
- struct fb_var_screeninfo *var = &fb->info.var;
- if (regno < 16)
- ((u32 *)fb->info.pseudo_palette)[regno] =
- regno << var->red.offset |
- regno << var->green.offset |
- regno << var->blue.offset;
- }
-
- WRITE_IMAGE_COLOR(fb, regno, color);
-
- if (fb->id == S9000_ID_HCRX) {
- NgleLutBltCtl lutBltCtl;
-
- lutBltCtl = setHyperLutBltCtl(fb,
- 0, /* Offset w/i LUT */
- 256); /* Load entire LUT */
- NGLE_BINC_SET_SRCADDR(fb,
- NGLE_LONG_FB_ADDRESS(0, 0x100, 0));
- /* 0x100 is same as used in WRITE_IMAGE_COLOR() */
- START_COLORMAPLOAD(fb, lutBltCtl.all);
- SETUP_FB(fb);
- } else {
- /* cleanup colormap hardware */
- FINISH_IMAGE_COLORMAP_ACCESS(fb);
- }
-
- DEBUG_ON();
-
- return 0;
-}
-
-static int
-stifb_blank(int blank_mode, struct fb_info *info)
-{
- struct stifb_info *fb = (struct stifb_info *) info;
- int enable = (blank_mode == 0) ? ENABLE : DISABLE;
-
- switch (fb->id) {
- case S9000_ID_A1439A:
- CRX24_ENABLE_DISABLE_DISPLAY(fb, enable);
- break;
- case CRT_ID_VISUALIZE_EG:
- case S9000_ID_ARTIST:
- ARTIST_ENABLE_DISABLE_DISPLAY(fb, enable);
- break;
- case S9000_ID_HCRX:
- HYPER_ENABLE_DISABLE_DISPLAY(fb, enable);
- break;
- case S9000_ID_A1659A: /* fall through */
- case S9000_ID_TIMBER:
- case CRX24_OVERLAY_PLANES:
- default:
- ENABLE_DISABLE_DISPLAY(fb, enable);
- break;
- }
-
- SETUP_FB(fb);
- return 0;
-}
-
-static void __init
-stifb_init_display(struct stifb_info *fb)
-{
- int id = fb->id;
-
- SETUP_FB(fb);
-
- /* HCRX specific initialization */
- SETUP_HCRX(fb);
-
- /*
- if (id == S9000_ID_HCRX)
- hyperInitSprite(fb);
- else
- ngleInitSprite(fb);
- */
-
- /* Initialize the image planes. */
- switch (id) {
- case S9000_ID_HCRX:
- hyperResetPlanes(fb, ENABLE);
- break;
- case S9000_ID_A1439A:
- rattlerSetupPlanes(fb);
- break;
- case S9000_ID_A1659A:
- case S9000_ID_ARTIST:
- case CRT_ID_VISUALIZE_EG:
- elkSetupPlanes(fb);
- break;
- }
-
- /* Clear attribute planes on non HCRX devices. */
- switch (id) {
- case S9000_ID_A1659A:
- case S9000_ID_A1439A:
- if (fb->info.var.bits_per_pixel == 32)
- ngleSetupAttrPlanes(fb, BUFF1_CMAP3);
- else {
- ngleSetupAttrPlanes(fb, BUFF1_CMAP0);
- }
- if (id == S9000_ID_A1439A)
- ngleClearOverlayPlanes(fb, 0xff, 0);
- break;
- case S9000_ID_ARTIST:
- case CRT_ID_VISUALIZE_EG:
- if (fb->info.var.bits_per_pixel == 32)
- ngleSetupAttrPlanes(fb, BUFF1_CMAP3);
- else {
- ngleSetupAttrPlanes(fb, ARTIST_CMAP0);
- }
- break;
- }
- stifb_blank(0, (struct fb_info *)fb); /* 0=enable screen */
-
- SETUP_FB(fb);
-}
-
-/* ------------ Interfaces to hardware functions ------------ */
-
-static struct fb_ops stifb_ops = {
- .owner = THIS_MODULE,
- .fb_setcolreg = stifb_setcolreg,
- .fb_blank = stifb_blank,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
-};
-
-
-/*
- * Initialization
- */
-
-static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
-{
- struct fb_fix_screeninfo *fix;
- struct fb_var_screeninfo *var;
- struct stifb_info *fb;
- struct fb_info *info;
- unsigned long sti_rom_address;
- char *dev_name;
- int bpp, xres, yres;
-
- fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
- if (!fb) {
- printk(KERN_ERR "stifb: Could not allocate stifb structure\n");
- return -ENODEV;
- }
-
- info = &fb->info;
-
- /* set struct to a known state */
- fix = &info->fix;
- var = &info->var;
-
- fb->sti = sti;
- dev_name = sti->sti_data->inq_outptr.dev_name;
- /* store upper 32bits of the graphics id */
- fb->id = fb->sti->graphics_id[0];
-
- /* only supported cards are allowed */
- switch (fb->id) {
- case CRT_ID_VISUALIZE_EG:
- /* Visualize cards can run either in "double buffer" or
- "standard" mode. Depending on the mode, the card reports
- a different device name, e.g. "INTERNAL_EG_DX1024" in double
- buffer mode and "INTERNAL_EG_X1024" in standard mode.
- Since this driver only supports standard mode, we check
- if the device name contains the string "DX" and tell the
- user how to reconfigure the card. */
- if (strstr(dev_name, "DX")) {
- printk(KERN_WARNING
-"WARNING: stifb framebuffer driver does not support '%s' in double-buffer mode.\n"
-"WARNING: Please disable the double-buffer mode in IPL menu (the PARISC-BIOS).\n",
- dev_name);
- goto out_err0;
- }
- /* fall though */
- case S9000_ID_ARTIST:
- case S9000_ID_HCRX:
- case S9000_ID_TIMBER:
- case S9000_ID_A1659A:
- case S9000_ID_A1439A:
- break;
- default:
- printk(KERN_WARNING "stifb: '%s' (id: 0x%08x) not supported.\n",
- dev_name, fb->id);
- goto out_err0;
- }
-
- /* default to 8 bpp on most graphic chips */
- bpp = 8;
- xres = sti_onscreen_x(fb->sti);
- yres = sti_onscreen_y(fb->sti);
-
- ngleGetDeviceRomData(fb);
-
- /* get (virtual) io region base addr */
- fix->mmio_start = REGION_BASE(fb,2);
- fix->mmio_len = 0x400000;
-
- /* Reject any device not in the NGLE family */
- switch (fb->id) {
- case S9000_ID_A1659A: /* CRX/A1659A */
- break;
- case S9000_ID_ELM: /* GRX, grayscale but else same as A1659A */
- var->grayscale = 1;
- fb->id = S9000_ID_A1659A;
- break;
- case S9000_ID_TIMBER: /* HP9000/710 Any (may be a grayscale device) */
- if (strstr(dev_name, "GRAYSCALE") ||
- strstr(dev_name, "Grayscale") ||
- strstr(dev_name, "grayscale"))
- var->grayscale = 1;
- break;
- case S9000_ID_TOMCAT: /* Dual CRX, behaves else like a CRX */
- /* FIXME: TomCat supports two heads:
- * fb.iobase = REGION_BASE(fb_info,3);
- * fb.screen_base = ioremap_nocache(REGION_BASE(fb_info,2),xxx);
- * for now we only support the left one ! */
- xres = fb->ngle_rom.x_size_visible;
- yres = fb->ngle_rom.y_size_visible;
- fb->id = S9000_ID_A1659A;
- break;
- case S9000_ID_A1439A: /* CRX24/A1439A */
- bpp = 32;
- break;
- case S9000_ID_HCRX: /* Hyperdrive/HCRX */
- memset(&fb->ngle_rom, 0, sizeof(fb->ngle_rom));
- if ((fb->sti->regions_phys[0] & 0xfc000000) ==
- (fb->sti->regions_phys[2] & 0xfc000000))
- sti_rom_address = F_EXTEND(fb->sti->regions_phys[0]);
- else
- sti_rom_address = F_EXTEND(fb->sti->regions_phys[1]);
-
- fb->deviceSpecificConfig = gsc_readl(sti_rom_address);
- if (IS_24_DEVICE(fb)) {
- if (bpp_pref == 8 || bpp_pref == 32)
- bpp = bpp_pref;
- else
- bpp = 32;
- } else
- bpp = 8;
- READ_WORD(fb, REG_15);
- SETUP_HW(fb);
- break;
- case CRT_ID_VISUALIZE_EG:
- case S9000_ID_ARTIST: /* Artist */
- break;
- default:
-#ifdef FALLBACK_TO_1BPP
- printk(KERN_WARNING
- "stifb: Unsupported graphics card (id=0x%08x) "
- "- now trying 1bpp mode instead\n",
- fb->id);
- bpp = 1; /* default to 1 bpp */
- break;
-#else
- printk(KERN_WARNING
- "stifb: Unsupported graphics card (id=0x%08x) "
- "- skipping.\n",
- fb->id);
- goto out_err0;
-#endif
- }
-
-
- /* get framebuffer physical and virtual base addr & len (64bit ready) */
- fix->smem_start = F_EXTEND(fb->sti->regions_phys[1]);
- fix->smem_len = fb->sti->regions[1].region_desc.length * 4096;
-
- fix->line_length = (fb->sti->glob_cfg->total_x * bpp) / 8;
- if (!fix->line_length)
- fix->line_length = 2048; /* default */
-
- /* limit fbsize to max visible screen size */
- if (fix->smem_len > yres*fix->line_length)
- fix->smem_len = yres*fix->line_length;
-
- fix->accel = FB_ACCEL_NONE;
-
- switch (bpp) {
- case 1:
- fix->type = FB_TYPE_PLANES; /* well, sort of */
- fix->visual = FB_VISUAL_MONO10;
- var->red.length = var->green.length = var->blue.length = 1;
- break;
- case 8:
- fix->type = FB_TYPE_PACKED_PIXELS;
- fix->visual = FB_VISUAL_PSEUDOCOLOR;
- var->red.length = var->green.length = var->blue.length = 8;
- break;
- case 32:
- fix->type = FB_TYPE_PACKED_PIXELS;
- fix->visual = FB_VISUAL_DIRECTCOLOR;
- var->red.length = var->green.length = var->blue.length = var->transp.length = 8;
- var->blue.offset = 0;
- var->green.offset = 8;
- var->red.offset = 16;
- var->transp.offset = 24;
- break;
- default:
- break;
- }
-
- var->xres = var->xres_virtual = xres;
- var->yres = var->yres_virtual = yres;
- var->bits_per_pixel = bpp;
-
- strcpy(fix->id, "stifb");
- info->fbops = &stifb_ops;
- info->screen_base = ioremap_nocache(REGION_BASE(fb,1), fix->smem_len);
- info->screen_size = fix->smem_len;
- info->flags = FBINFO_DEFAULT;
- info->pseudo_palette = &fb->pseudo_palette;
-
- /* This has to be done !!! */
- if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0))
- goto out_err1;
- stifb_init_display(fb);
-
- if (!request_mem_region(fix->smem_start, fix->smem_len, "stifb fb")) {
- printk(KERN_ERR "stifb: cannot reserve fb region 0x%04lx-0x%04lx\n",
- fix->smem_start, fix->smem_start+fix->smem_len);
- goto out_err2;
- }
-
- if (!request_mem_region(fix->mmio_start, fix->mmio_len, "stifb mmio")) {
- printk(KERN_ERR "stifb: cannot reserve sti mmio region 0x%04lx-0x%04lx\n",
- fix->mmio_start, fix->mmio_start+fix->mmio_len);
- goto out_err3;
- }
-
- if (register_framebuffer(&fb->info) < 0)
- goto out_err4;
-
- sti->info = info; /* save for unregister_framebuffer() */
-
- fb_info(&fb->info, "%s %dx%d-%d frame buffer device, %s, id: %04x, mmio: 0x%04lx\n",
- fix->id,
- var->xres,
- var->yres,
- var->bits_per_pixel,
- dev_name,
- fb->id,
- fix->mmio_start);
-
- return 0;
-
-
-out_err4:
- release_mem_region(fix->mmio_start, fix->mmio_len);
-out_err3:
- release_mem_region(fix->smem_start, fix->smem_len);
-out_err2:
- fb_dealloc_cmap(&info->cmap);
-out_err1:
- iounmap(info->screen_base);
-out_err0:
- kfree(fb);
- return -ENXIO;
-}
-
-static int stifb_disabled __initdata;
-
-int __init
-stifb_setup(char *options);
-
-static int __init stifb_init(void)
-{
- struct sti_struct *sti;
- struct sti_struct *def_sti;
- int i;
-
-#ifndef MODULE
- char *option = NULL;
-
- if (fb_get_options("stifb", &option))
- return -ENODEV;
- stifb_setup(option);
-#endif
- if (stifb_disabled) {
- printk(KERN_INFO "stifb: disabled by \"stifb=off\" kernel parameter\n");
- return -ENXIO;
- }
-
- def_sti = sti_get_rom(0);
- if (def_sti) {
- for (i = 1; i <= MAX_STI_ROMS; i++) {
- sti = sti_get_rom(i);
- if (!sti)
- break;
- if (sti == def_sti) {
- stifb_init_fb(sti, stifb_bpp_pref[i - 1]);
- break;
- }
- }
- }
-
- for (i = 1; i <= MAX_STI_ROMS; i++) {
- sti = sti_get_rom(i);
- if (!sti)
- break;
- if (sti == def_sti)
- continue;
- stifb_init_fb(sti, stifb_bpp_pref[i - 1]);
- }
- return 0;
-}
-
-/*
- * Cleanup
- */
-
-static void __exit
-stifb_cleanup(void)
-{
- struct sti_struct *sti;
- int i;
-
- for (i = 1; i <= MAX_STI_ROMS; i++) {
- sti = sti_get_rom(i);
- if (!sti)
- break;
- if (sti->info) {
- struct fb_info *info = sti->info;
- unregister_framebuffer(sti->info);
- release_mem_region(info->fix.mmio_start, info->fix.mmio_len);
- release_mem_region(info->fix.smem_start, info->fix.smem_len);
- if (info->screen_base)
- iounmap(info->screen_base);
- fb_dealloc_cmap(&info->cmap);
- framebuffer_release(info);
- }
- sti->info = NULL;
- }
-}
-
-int __init
-stifb_setup(char *options)
-{
- int i;
-
- if (!options || !*options)
- return 1;
-
- if (strncmp(options, "off", 3) == 0) {
- stifb_disabled = 1;
- options += 3;
- }
-
- if (strncmp(options, "bpp", 3) == 0) {
- options += 3;
- for (i = 0; i < MAX_STI_ROMS; i++) {
- if (*options++ != ':')
- break;
- stifb_bpp_pref[i] = simple_strtoul(options, &options, 10);
- }
- }
- return 1;
-}
-
-__setup("stifb=", stifb_setup);
-
-module_init(stifb_init);
-module_exit(stifb_cleanup);
-
-MODULE_AUTHOR("Helge Deller <deller@gmx.de>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>");
-MODULE_DESCRIPTION("Framebuffer driver for HP's NGLE series graphics cards in HP PARISC machines");
-MODULE_LICENSE("GPL v2");
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