![Linus Torvalds](/assets/img/avatar_default.png)
uapi: - dma-buf heaps added (and fixed) - command line add support for panel oreientation - command line allow overriding penguin count drm: - mipi dsi definition updates - lockdep annotations for dma_resv - remove dma-buf kmap/kunmap support - constify fb_ops in all fbdev drivers - MST fix for daisy chained hotplug- - CTA-861-G modes with VIC >= 193 added - fix drm_panel_of_backlight export - LVDS decoder support - more device based logging support - scanline alighment for dumb buffers - MST DSC helpers scheduler: - documentation fixes - job distribution improvements panel: - Logic PD type 28 panel support - Jimax8729d MIPI-DSI - igenic JZ4770 - generic DSI devicetree bindings - sony acx424AKP panel - Leadtek LTK500HD1829 - xinpeng XPP055C272 - AUO B116XAK01 - GiantPlus GPM940B0 - BOE NV140FHM-N49 - Satoz SAT050AT40H12R2 - Sharp LS020B1DD01D panels. ttm: - use blocking WW lock i915: - hw/uapi state separation - Lock annotation improvements - selftest improvements - ICL/TGL DSI VDSC support - VBT parsing improvments - Display refactoring - DSI updates + fixes - HDCP 2.2 for CFL - CML PCI ID fixes - GLK+ fbc fix - PSR fixes - GEN/GT refactor improvments - DP MST fixes - switch context id alloc to xarray - workaround updates - LMEM debugfs support - tiled monitor fixes - ICL+ clock gating programming removed - DP MST disable sequence fixed - LMEM discontiguous object maps - prefaulting for discontiguous objects - use LMEM for dumb buffers if possible - add LMEM mmap support amdgpu: - enable sync object timelines for vulkan - MST atomic routines - enable MST DSC support - add DMCUB display microengine support - DC OEM i2c support - Renoir DC fixes - Initial HDCP 2.x support - BACO support for Arcturus - Use BACO for runtime PM power save - gfxoff on navi10 - gfx10 golden updates and fixes - DCN support on POWER - GFXOFF for raven1 refresh - MM engine idle handlers cleanup - 10bpc EDP panel fixes - renoir watermark fixes - SR-IOV fixes - Arcturus VCN fixes - GDDR6 training fixes - freesync fixes - Pollock support amdkfd: - unify more codepath with amdgpu - use KIQ to setup HIQ rather than MMIO radeon: - fix vma fault handler race - PPC DMA fix - register check fixes for r100/r200 nouveau: - mmap_sem vs dma_resv fix - rewrite the ACR secure boot code for Turing - TU10x graphics engine support (TU11x pending) - Page kind mapping for turing - 10-bit LUT support - GP10B Tegra fixes - HD audio regression fix hisilicon/hibmc: - use generic fbdev code and helpers rockchip: - dsi/px30 support virtio: - fb damage support - static some functions vc4: - use dma_resv lock wrappers msm: - use dma_resv lock wrappers - sc7180 display + DSI support - a618 support - UBWC support improvements vmwgfx: - updates + new logging uapi exynos: - enable/disable callback cleanups etnaviv: - use dma_resv lock wrappers atmel-hlcdc: - clock fixes mediatek: - cmdq support - non-smooth cursor fixes - ctm property support sun4i: - suspend support - A64 mipi dsi support rcar-du: - Color management module support - LVDS encoder dual-link support - R8A77980 support analogic: - add support for an6345 ast: - atomic modeset support - primary plane garbage fix arcgpu: - fixes for fourcc handling tegra: - minor fixes and improvments mcde: - vblank support meson: - OSD1 plane AFBC commit gma500: - add pageflip support - reomve global drm_dev komeda: - tweak debugfs output - d32 support - runtime PM suppotr udl: - use generic shmem helpers - cleanup and fixes -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJeMm6RAAoJEAx081l5xIa+vN8P/0j4jEOv+KIinAhoH+LG3EpD m2TUuu5OQIoBrcCoWOgFBk3wqYpw6PdMBdkXh+5sE5lfeBynp8oC3Bin+QsHJE05 eGBpZtHe+70MQb0Eha+Aic0hchvBKzRnq6i0MYSIHn6afs76dLmF8knTjycxrvV5 Xu1Z3WDmjzqgWF9ja5JCD6fby11seP5RrwObYKVikO35QQyJJwGSGKgu5rq/pByK /n0PCnCOINuL0Lz6J9qexdh/0/XYFQilRC31GJNlKbDSFuECF0GOEzEE/xUBW/pI dLh2YwIIygm18Gar9PgvMwXJn3BfzQ0qEJsf+HlQeNw9iLgbHpp2AsTxHTE87OGe R/y85taW3jGjPsNOKZOeLpvg/Ro8l8ZipLApvDCG2O22DThg/cd6NDjZxl1FJfRH acDG/JdgPo5MbdRAH/cM1WuFS9gEM+0BeSQ5gCjtPakF+X4Vz+ABFDLMRJoaejkJ q8DG32TQXELQx0RMghsqK7YCWGfl+2alA1u9w6TgJh9Rq4iVckvpDeqAZnK1Adkc 87g957Tl0n6FA4wJj/t5jrceiLRMJAm/rBK+R3GZNfWrgx4bHbCmb4fZDZsrFzph nbAjNJ5kOchrFCaRR47ULby6+Q14MAFbkWq4Crfu4YDdzUkTPpep6pi2GIe8w0rV P0hdYOYJf6LUda0utuQX =oFrI -----END PGP SIGNATURE----- Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm Pull drm updates from Davbe Airlie: "This is the main pull request for graphics for 5.6. Usual selection of changes all over. I've got one outstanding vmwgfx pull that touches mm so kept it separate until after all of this lands. I'll try and get it to you soon after this, but it might be early next week (nothing wrong with code, just my schedule is messy) This also hits a lot of fbdev drivers with some cleanups. Other notables: - vulkan timeline semaphore support added to syncobjs - nouveau turing secureboot/graphics support - Displayport MST display stream compression support Detailed summary: uapi: - dma-buf heaps added (and fixed) - command line add support for panel oreientation - command line allow overriding penguin count drm: - mipi dsi definition updates - lockdep annotations for dma_resv - remove dma-buf kmap/kunmap support - constify fb_ops in all fbdev drivers - MST fix for daisy chained hotplug- - CTA-861-G modes with VIC >= 193 added - fix drm_panel_of_backlight export - LVDS decoder support - more device based logging support - scanline alighment for dumb buffers - MST DSC helpers scheduler: - documentation fixes - job distribution improvements panel: - Logic PD type 28 panel support - Jimax8729d MIPI-DSI - igenic JZ4770 - generic DSI devicetree bindings - sony acx424AKP panel - Leadtek LTK500HD1829 - xinpeng XPP055C272 - AUO B116XAK01 - GiantPlus GPM940B0 - BOE NV140FHM-N49 - Satoz SAT050AT40H12R2 - Sharp LS020B1DD01D panels. ttm: - use blocking WW lock i915: - hw/uapi state separation - Lock annotation improvements - selftest improvements - ICL/TGL DSI VDSC support - VBT parsing improvments - Display refactoring - DSI updates + fixes - HDCP 2.2 for CFL - CML PCI ID fixes - GLK+ fbc fix - PSR fixes - GEN/GT refactor improvments - DP MST fixes - switch context id alloc to xarray - workaround updates - LMEM debugfs support - tiled monitor fixes - ICL+ clock gating programming removed - DP MST disable sequence fixed - LMEM discontiguous object maps - prefaulting for discontiguous objects - use LMEM for dumb buffers if possible - add LMEM mmap support amdgpu: - enable sync object timelines for vulkan - MST atomic routines - enable MST DSC support - add DMCUB display microengine support - DC OEM i2c support - Renoir DC fixes - Initial HDCP 2.x support - BACO support for Arcturus - Use BACO for runtime PM power save - gfxoff on navi10 - gfx10 golden updates and fixes - DCN support on POWER - GFXOFF for raven1 refresh - MM engine idle handlers cleanup - 10bpc EDP panel fixes - renoir watermark fixes - SR-IOV fixes - Arcturus VCN fixes - GDDR6 training fixes - freesync fixes - Pollock support amdkfd: - unify more codepath with amdgpu - use KIQ to setup HIQ rather than MMIO radeon: - fix vma fault handler race - PPC DMA fix - register check fixes for r100/r200 nouveau: - mmap_sem vs dma_resv fix - rewrite the ACR secure boot code for Turing - TU10x graphics engine support (TU11x pending) - Page kind mapping for turing - 10-bit LUT support - GP10B Tegra fixes - HD audio regression fix hisilicon/hibmc: - use generic fbdev code and helpers rockchip: - dsi/px30 support virtio: - fb damage support - static some functions vc4: - use dma_resv lock wrappers msm: - use dma_resv lock wrappers - sc7180 display + DSI support - a618 support - UBWC support improvements vmwgfx: - updates + new logging uapi exynos: - enable/disable callback cleanups etnaviv: - use dma_resv lock wrappers atmel-hlcdc: - clock fixes mediatek: - cmdq support - non-smooth cursor fixes - ctm property support sun4i: - suspend support - A64 mipi dsi support rcar-du: - Color management module support - LVDS encoder dual-link support - R8A77980 support analogic: - add support for an6345 ast: - atomic modeset support - primary plane garbage fix arcgpu: - fixes for fourcc handling tegra: - minor fixes and improvments mcde: - vblank support meson: - OSD1 plane AFBC commit gma500: - add pageflip support - reomve global drm_dev komeda: - tweak debugfs output - d32 support - runtime PM suppotr udl: - use generic shmem helpers - cleanup and fixes" * tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits) drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing drm/nouveau/acr: return error when registering LSF if ACR not supported drm/nouveau/disp/gv100-: not all channel types support reporting error codes drm/nouveau/disp/nv50-: prevent oops when no channel method map provided drm/nouveau: support synchronous pushbuf submission drm/nouveau: signal pending fences when channel has been killed drm/nouveau: reject attempts to submit to dead channels drm/nouveau: zero vma pointer even if we only unreference it rather than free drm/nouveau: Add HD-audio component notifier support drm/nouveau: fix build error without CONFIG_IOMMU_API drm/nouveau/kms/nv04: remove set but not used variable 'width' drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector' drm/nouveau/mmu: fix comptag memory leak drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping drm/exynos: Rename Exynos to lowercase drm/exynos: change callback names drm/mst: Don't do atomic checks over disabled managers drm/amdgpu: add the lost mutex_init back drm/amd/display: skip opp blank or unblank if test pattern enabled ...
584 lines
16 KiB
C
584 lines
16 KiB
C
/*
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* valkyriefb.c -- frame buffer device for the PowerMac 'valkyrie' display
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*
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* Created 8 August 1998 by
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* Martin Costabel <costabel@wanadoo.fr> and Kevin Schoedel
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*
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* Vmode-switching changes and vmode 15/17 modifications created 29 August
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* 1998 by Barry K. Nathan <barryn@pobox.com>.
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*
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* Ported to m68k Macintosh by David Huggins-Daines <dhd@debian.org>
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*
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* Derived directly from:
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*
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* controlfb.c -- frame buffer device for the PowerMac 'control' display
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* Copyright (C) 1998 Dan Jacobowitz <dan@debian.org>
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*
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* pmc-valkyrie.c -- Console support for PowerMac "valkyrie" display adaptor.
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* Copyright (C) 1997 Paul Mackerras.
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*
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* and indirectly:
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*
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* Frame buffer structure from:
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* drivers/video/chipsfb.c -- frame buffer device for
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* Chips & Technologies 65550 chip.
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*
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* Copyright (C) 1998 Paul Mackerras
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*
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* This file is derived from the Powermac "chips" driver:
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* Copyright (C) 1997 Fabio Riccardi.
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* And from the frame buffer device for Open Firmware-initialized devices:
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* Copyright (C) 1997 Geert Uytterhoeven.
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*
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* Hardware information from:
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* control.c: Console support for PowerMac "control" display adaptor.
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* Copyright (C) 1996 Paul Mackerras
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/fb.h>
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#include <linux/selection.h>
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#include <linux/init.h>
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#include <linux/nvram.h>
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#include <linux/adb.h>
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#include <linux/cuda.h>
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#ifdef CONFIG_MAC
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#include <asm/macintosh.h>
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#else
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#include <asm/prom.h>
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#endif
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#include "macmodes.h"
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#include "valkyriefb.h"
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static int default_vmode = VMODE_NVRAM;
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static int default_cmode = CMODE_NVRAM;
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struct fb_par_valkyrie {
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int vmode, cmode;
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int xres, yres;
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int vxres, vyres;
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struct valkyrie_regvals *init;
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};
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struct fb_info_valkyrie {
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struct fb_info info;
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struct fb_par_valkyrie par;
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struct cmap_regs __iomem *cmap_regs;
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unsigned long cmap_regs_phys;
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struct valkyrie_regs __iomem *valkyrie_regs;
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unsigned long valkyrie_regs_phys;
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__u8 __iomem *frame_buffer;
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unsigned long frame_buffer_phys;
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int sense;
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unsigned long total_vram;
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u32 pseudo_palette[16];
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};
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/*
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* Exported functions
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*/
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int valkyriefb_init(void);
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int valkyriefb_setup(char*);
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static int valkyriefb_check_var(struct fb_var_screeninfo *var,
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struct fb_info *info);
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static int valkyriefb_set_par(struct fb_info *info);
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static int valkyriefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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u_int transp, struct fb_info *info);
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static int valkyriefb_blank(int blank_mode, struct fb_info *info);
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static int read_valkyrie_sense(struct fb_info_valkyrie *p);
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static void set_valkyrie_clock(unsigned char *params);
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static int valkyrie_var_to_par(struct fb_var_screeninfo *var,
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struct fb_par_valkyrie *par, const struct fb_info *fb_info);
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static int valkyrie_init_info(struct fb_info *info, struct fb_info_valkyrie *p);
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static void valkyrie_par_to_fix(struct fb_par_valkyrie *par, struct fb_fix_screeninfo *fix);
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static void valkyrie_init_fix(struct fb_fix_screeninfo *fix, struct fb_info_valkyrie *p);
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static const struct fb_ops valkyriefb_ops = {
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.owner = THIS_MODULE,
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.fb_check_var = valkyriefb_check_var,
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.fb_set_par = valkyriefb_set_par,
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.fb_setcolreg = valkyriefb_setcolreg,
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.fb_blank = valkyriefb_blank,
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.fb_fillrect = cfb_fillrect,
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.fb_copyarea = cfb_copyarea,
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.fb_imageblit = cfb_imageblit,
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};
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/* Sets the video mode according to info->var */
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static int valkyriefb_set_par(struct fb_info *info)
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{
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struct fb_info_valkyrie *p =
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container_of(info, struct fb_info_valkyrie, info);
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volatile struct valkyrie_regs __iomem *valkyrie_regs = p->valkyrie_regs;
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struct fb_par_valkyrie *par = info->par;
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struct valkyrie_regvals *init;
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int err;
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if ((err = valkyrie_var_to_par(&info->var, par, info)))
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return err;
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valkyrie_par_to_fix(par, &info->fix);
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/* Reset the valkyrie */
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out_8(&valkyrie_regs->status.r, 0);
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udelay(100);
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/* Initialize display timing registers */
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init = par->init;
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out_8(&valkyrie_regs->mode.r, init->mode | 0x80);
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out_8(&valkyrie_regs->depth.r, par->cmode + 3);
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set_valkyrie_clock(init->clock_params);
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udelay(100);
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/* Turn on display */
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out_8(&valkyrie_regs->mode.r, init->mode);
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return 0;
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}
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static inline int valkyrie_par_to_var(struct fb_par_valkyrie *par,
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struct fb_var_screeninfo *var)
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{
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return mac_vmode_to_var(par->vmode, par->cmode, var);
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}
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static int
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valkyriefb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
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{
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int err;
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struct fb_par_valkyrie par;
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if ((err = valkyrie_var_to_par(var, &par, info)))
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return err;
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valkyrie_par_to_var(&par, var);
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return 0;
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}
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/*
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* Blank the screen if blank_mode != 0, else unblank. If blank_mode == NULL
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* then the caller blanks by setting the CLUT (Color Look Up Table) to all
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* black. Return 0 if blanking succeeded, != 0 if un-/blanking failed due
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* to e.g. a video mode which doesn't support it. Implements VESA suspend
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* and powerdown modes on hardware that supports disabling hsync/vsync:
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* blank_mode == 2: suspend vsync
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* blank_mode == 3: suspend hsync
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* blank_mode == 4: powerdown
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*/
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static int valkyriefb_blank(int blank_mode, struct fb_info *info)
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{
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struct fb_info_valkyrie *p =
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container_of(info, struct fb_info_valkyrie, info);
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struct fb_par_valkyrie *par = info->par;
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struct valkyrie_regvals *init = par->init;
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if (init == NULL)
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return 1;
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switch (blank_mode) {
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case FB_BLANK_UNBLANK: /* unblank */
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out_8(&p->valkyrie_regs->mode.r, init->mode);
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break;
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case FB_BLANK_NORMAL:
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return 1; /* get caller to set CLUT to all black */
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case FB_BLANK_VSYNC_SUSPEND:
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case FB_BLANK_HSYNC_SUSPEND:
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/*
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* [kps] Value extracted from MacOS. I don't know
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* whether this bit disables hsync or vsync, or
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* whether the hardware can do the other as well.
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*/
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out_8(&p->valkyrie_regs->mode.r, init->mode | 0x40);
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break;
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case FB_BLANK_POWERDOWN:
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out_8(&p->valkyrie_regs->mode.r, 0x66);
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break;
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}
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return 0;
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}
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static int valkyriefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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u_int transp, struct fb_info *info)
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{
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struct fb_info_valkyrie *p =
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container_of(info, struct fb_info_valkyrie, info);
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volatile struct cmap_regs __iomem *cmap_regs = p->cmap_regs;
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struct fb_par_valkyrie *par = info->par;
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if (regno > 255)
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return 1;
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red >>= 8;
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green >>= 8;
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blue >>= 8;
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/* tell clut which address to fill */
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out_8(&p->cmap_regs->addr, regno);
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udelay(1);
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/* send one color channel at a time */
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out_8(&cmap_regs->lut, red);
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out_8(&cmap_regs->lut, green);
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out_8(&cmap_regs->lut, blue);
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if (regno < 16 && par->cmode == CMODE_16)
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((u32 *)info->pseudo_palette)[regno] =
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(regno << 10) | (regno << 5) | regno;
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return 0;
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}
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static inline int valkyrie_vram_reqd(int video_mode, int color_mode)
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{
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int pitch;
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struct valkyrie_regvals *init = valkyrie_reg_init[video_mode-1];
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if ((pitch = init->pitch[color_mode]) == 0)
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pitch = 2 * init->pitch[0];
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return init->vres * pitch;
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}
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static void set_valkyrie_clock(unsigned char *params)
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{
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#ifdef CONFIG_ADB_CUDA
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struct adb_request req;
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int i;
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for (i = 0; i < 3; ++i) {
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cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC,
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0x50, i + 1, params[i]);
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while (!req.complete)
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cuda_poll();
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}
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#endif
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}
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static void __init valkyrie_choose_mode(struct fb_info_valkyrie *p)
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{
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p->sense = read_valkyrie_sense(p);
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printk(KERN_INFO "Monitor sense value = 0x%x\n", p->sense);
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/* Try to pick a video mode out of NVRAM if we have one. */
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#ifdef CONFIG_PPC_PMAC
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if (IS_REACHABLE(CONFIG_NVRAM) && default_vmode == VMODE_NVRAM)
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default_vmode = nvram_read_byte(NV_VMODE);
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#endif
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if (default_vmode <= 0 || default_vmode > VMODE_MAX ||
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!valkyrie_reg_init[default_vmode - 1]) {
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default_vmode = mac_map_monitor_sense(p->sense);
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if (!valkyrie_reg_init[default_vmode - 1])
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default_vmode = VMODE_640_480_67;
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}
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#ifdef CONFIG_PPC_PMAC
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if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM)
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default_cmode = nvram_read_byte(NV_CMODE);
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#endif
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/*
|
|
* Reduce the pixel size if we don't have enough VRAM or bandwidth.
|
|
*/
|
|
if (default_cmode < CMODE_8 || default_cmode > CMODE_16
|
|
|| valkyrie_reg_init[default_vmode-1]->pitch[default_cmode] == 0
|
|
|| valkyrie_vram_reqd(default_vmode, default_cmode) > p->total_vram)
|
|
default_cmode = CMODE_8;
|
|
|
|
printk(KERN_INFO "using video mode %d and color mode %d.\n",
|
|
default_vmode, default_cmode);
|
|
}
|
|
|
|
int __init valkyriefb_init(void)
|
|
{
|
|
struct fb_info_valkyrie *p;
|
|
unsigned long frame_buffer_phys, cmap_regs_phys;
|
|
int err;
|
|
char *option = NULL;
|
|
|
|
if (fb_get_options("valkyriefb", &option))
|
|
return -ENODEV;
|
|
valkyriefb_setup(option);
|
|
|
|
#ifdef CONFIG_MAC
|
|
if (!MACH_IS_MAC)
|
|
return -ENODEV;
|
|
if (!(mac_bi_data.id == MAC_MODEL_Q630
|
|
/* I'm not sure about this one */
|
|
|| mac_bi_data.id == MAC_MODEL_P588))
|
|
return -ENODEV;
|
|
|
|
/* Hardcoded addresses... welcome to 68k Macintosh country :-) */
|
|
frame_buffer_phys = 0xf9000000;
|
|
cmap_regs_phys = 0x50f24000;
|
|
#else /* ppc (!CONFIG_MAC) */
|
|
{
|
|
struct device_node *dp;
|
|
struct resource r;
|
|
|
|
dp = of_find_node_by_name(NULL, "valkyrie");
|
|
if (dp == 0)
|
|
return 0;
|
|
|
|
if (of_address_to_resource(dp, 0, &r)) {
|
|
printk(KERN_ERR "can't find address for valkyrie\n");
|
|
return 0;
|
|
}
|
|
|
|
frame_buffer_phys = r.start;
|
|
cmap_regs_phys = r.start + 0x304000;
|
|
}
|
|
#endif /* ppc (!CONFIG_MAC) */
|
|
|
|
p = kzalloc(sizeof(*p), GFP_ATOMIC);
|
|
if (p == 0)
|
|
return -ENOMEM;
|
|
|
|
/* Map in frame buffer and registers */
|
|
if (!request_mem_region(frame_buffer_phys, 0x100000, "valkyriefb")) {
|
|
kfree(p);
|
|
return 0;
|
|
}
|
|
p->total_vram = 0x100000;
|
|
p->frame_buffer_phys = frame_buffer_phys;
|
|
#ifdef CONFIG_MAC
|
|
p->frame_buffer = ioremap(frame_buffer_phys, p->total_vram);
|
|
#else
|
|
p->frame_buffer = ioremap_wt(frame_buffer_phys, p->total_vram);
|
|
#endif
|
|
p->cmap_regs_phys = cmap_regs_phys;
|
|
p->cmap_regs = ioremap(p->cmap_regs_phys, 0x1000);
|
|
p->valkyrie_regs_phys = cmap_regs_phys+0x6000;
|
|
p->valkyrie_regs = ioremap(p->valkyrie_regs_phys, 0x1000);
|
|
err = -ENOMEM;
|
|
if (p->frame_buffer == NULL || p->cmap_regs == NULL
|
|
|| p->valkyrie_regs == NULL) {
|
|
printk(KERN_ERR "valkyriefb: couldn't map resources\n");
|
|
goto out_free;
|
|
}
|
|
|
|
valkyrie_choose_mode(p);
|
|
mac_vmode_to_var(default_vmode, default_cmode, &p->info.var);
|
|
err = valkyrie_init_info(&p->info, p);
|
|
if (err < 0)
|
|
goto out_free;
|
|
valkyrie_init_fix(&p->info.fix, p);
|
|
if (valkyriefb_set_par(&p->info))
|
|
/* "can't happen" */
|
|
printk(KERN_ERR "valkyriefb: can't set default video mode\n");
|
|
|
|
if ((err = register_framebuffer(&p->info)) != 0)
|
|
goto out_cmap_free;
|
|
|
|
fb_info(&p->info, "valkyrie frame buffer device\n");
|
|
return 0;
|
|
|
|
out_cmap_free:
|
|
fb_dealloc_cmap(&p->info.cmap);
|
|
out_free:
|
|
if (p->frame_buffer)
|
|
iounmap(p->frame_buffer);
|
|
if (p->cmap_regs)
|
|
iounmap(p->cmap_regs);
|
|
if (p->valkyrie_regs)
|
|
iounmap(p->valkyrie_regs);
|
|
kfree(p);
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* Get the monitor sense value.
|
|
*/
|
|
static int read_valkyrie_sense(struct fb_info_valkyrie *p)
|
|
{
|
|
int sense, in;
|
|
|
|
out_8(&p->valkyrie_regs->msense.r, 0); /* release all lines */
|
|
__delay(20000);
|
|
sense = ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x70) << 4;
|
|
/* drive each sense line low in turn and collect the other 2 */
|
|
out_8(&p->valkyrie_regs->msense.r, 4); /* drive A low */
|
|
__delay(20000);
|
|
sense |= ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x30);
|
|
out_8(&p->valkyrie_regs->msense.r, 2); /* drive B low */
|
|
__delay(20000);
|
|
sense |= ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x40) >> 3;
|
|
sense |= (in & 0x10) >> 2;
|
|
out_8(&p->valkyrie_regs->msense.r, 1); /* drive C low */
|
|
__delay(20000);
|
|
sense |= ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x60) >> 5;
|
|
|
|
out_8(&p->valkyrie_regs->msense.r, 7);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/*
|
|
* This routine takes a user-supplied var,
|
|
* and picks the best vmode/cmode from it.
|
|
*/
|
|
|
|
/* [bkn] I did a major overhaul of this function.
|
|
*
|
|
* Much of the old code was "swiped by jonh from atyfb.c". Because
|
|
* macmodes has mac_var_to_vmode, I felt that it would be better to
|
|
* rework this function to use that, instead of reinventing the wheel to
|
|
* add support for vmode 17. This was reinforced by the fact that
|
|
* the previously swiped atyfb.c code is no longer there.
|
|
*
|
|
* So, I swiped and adapted platinum_var_to_par (from platinumfb.c), replacing
|
|
* most, but not all, of the old code in the process. One side benefit of
|
|
* swiping the platinumfb code is that we now have more comprehensible error
|
|
* messages when a vmode/cmode switch fails. (Most of the error messages are
|
|
* platinumfb.c, but I added two of my own, and I also changed some commas
|
|
* into colons to make the messages more consistent with other Linux error
|
|
* messages.) In addition, I think the new code *might* fix some vmode-
|
|
* switching oddities, but I'm not sure.
|
|
*
|
|
* There may be some more opportunities for cleanup in here, but this is a
|
|
* good start...
|
|
*/
|
|
|
|
static int valkyrie_var_to_par(struct fb_var_screeninfo *var,
|
|
struct fb_par_valkyrie *par, const struct fb_info *fb_info)
|
|
{
|
|
int vmode, cmode;
|
|
struct valkyrie_regvals *init;
|
|
struct fb_info_valkyrie *p =
|
|
container_of(fb_info, struct fb_info_valkyrie, info);
|
|
|
|
if (mac_var_to_vmode(var, &vmode, &cmode) != 0) {
|
|
printk(KERN_ERR "valkyriefb: can't do %dx%dx%d.\n",
|
|
var->xres, var->yres, var->bits_per_pixel);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Check if we know about the wanted video mode */
|
|
if (vmode < 1 || vmode > VMODE_MAX || !valkyrie_reg_init[vmode-1]) {
|
|
printk(KERN_ERR "valkyriefb: vmode %d not valid.\n", vmode);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (cmode != CMODE_8 && cmode != CMODE_16) {
|
|
printk(KERN_ERR "valkyriefb: cmode %d not valid.\n", cmode);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (var->xres_virtual > var->xres || var->yres_virtual > var->yres
|
|
|| var->xoffset != 0 || var->yoffset != 0) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
init = valkyrie_reg_init[vmode-1];
|
|
if (init->pitch[cmode] == 0) {
|
|
printk(KERN_ERR "valkyriefb: vmode %d does not support "
|
|
"cmode %d.\n", vmode, cmode);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (valkyrie_vram_reqd(vmode, cmode) > p->total_vram) {
|
|
printk(KERN_ERR "valkyriefb: not enough ram for vmode %d, "
|
|
"cmode %d.\n", vmode, cmode);
|
|
return -EINVAL;
|
|
}
|
|
|
|
par->vmode = vmode;
|
|
par->cmode = cmode;
|
|
par->init = init;
|
|
par->xres = var->xres;
|
|
par->yres = var->yres;
|
|
par->vxres = par->xres;
|
|
par->vyres = par->yres;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void valkyrie_init_fix(struct fb_fix_screeninfo *fix, struct fb_info_valkyrie *p)
|
|
{
|
|
memset(fix, 0, sizeof(*fix));
|
|
strcpy(fix->id, "valkyrie");
|
|
fix->mmio_start = p->valkyrie_regs_phys;
|
|
fix->mmio_len = sizeof(struct valkyrie_regs);
|
|
fix->type = FB_TYPE_PACKED_PIXELS;
|
|
fix->smem_start = p->frame_buffer_phys + 0x1000;
|
|
fix->smem_len = p->total_vram;
|
|
|
|
fix->type_aux = 0;
|
|
fix->ywrapstep = 0;
|
|
fix->ypanstep = 0;
|
|
fix->xpanstep = 0;
|
|
|
|
}
|
|
|
|
/* Fix must already be inited above */
|
|
static void valkyrie_par_to_fix(struct fb_par_valkyrie *par,
|
|
struct fb_fix_screeninfo *fix)
|
|
{
|
|
fix->smem_len = valkyrie_vram_reqd(par->vmode, par->cmode);
|
|
fix->visual = (par->cmode == CMODE_8) ?
|
|
FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
|
|
fix->line_length = par->vxres << par->cmode;
|
|
/* ywrapstep, xpanstep, ypanstep */
|
|
}
|
|
|
|
static int __init valkyrie_init_info(struct fb_info *info,
|
|
struct fb_info_valkyrie *p)
|
|
{
|
|
info->fbops = &valkyriefb_ops;
|
|
info->screen_base = p->frame_buffer + 0x1000;
|
|
info->flags = FBINFO_DEFAULT;
|
|
info->pseudo_palette = p->pseudo_palette;
|
|
info->par = &p->par;
|
|
return fb_alloc_cmap(&info->cmap, 256, 0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Parse user specified options (`video=valkyriefb:')
|
|
*/
|
|
int __init valkyriefb_setup(char *options)
|
|
{
|
|
char *this_opt;
|
|
|
|
if (!options || !*options)
|
|
return 0;
|
|
|
|
while ((this_opt = strsep(&options, ",")) != NULL) {
|
|
if (!strncmp(this_opt, "vmode:", 6)) {
|
|
int vmode = simple_strtoul(this_opt+6, NULL, 0);
|
|
if (vmode > 0 && vmode <= VMODE_MAX)
|
|
default_vmode = vmode;
|
|
}
|
|
else if (!strncmp(this_opt, "cmode:", 6)) {
|
|
int depth = simple_strtoul(this_opt+6, NULL, 0);
|
|
switch (depth) {
|
|
case 8:
|
|
default_cmode = CMODE_8;
|
|
break;
|
|
case 15:
|
|
case 16:
|
|
default_cmode = CMODE_16;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
module_init(valkyriefb_init);
|
|
MODULE_LICENSE("GPL");
|