From d3352c9f1e8e2f2989d9686c8aa8acb4842fe75e Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 10 Jun 2009 04:38:48 +0000 Subject: ps3fb/vram: Extract common GPU stuff into Signed-off-by: Geert Uytterhoeven Cc: linux-fbdev-devel@lists.sourceforge.net Cc: Jim Paris Cc: Jens Axboe Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/ps3gpu.h | 78 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 arch/powerpc/include/asm/ps3gpu.h (limited to 'arch/powerpc/include/asm/ps3gpu.h') diff --git a/arch/powerpc/include/asm/ps3gpu.h b/arch/powerpc/include/asm/ps3gpu.h new file mode 100644 index 000000000000..1037efae4a51 --- /dev/null +++ b/arch/powerpc/include/asm/ps3gpu.h @@ -0,0 +1,78 @@ +/* + * PS3 GPU declarations. + * + * Copyright 2009 Sony Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. + * If not, see . + */ + +#ifndef _ASM_POWERPC_PS3GPU_H +#define _ASM_POWERPC_PS3GPU_H + +#include + +#include + + +#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x101 +#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x102 + +#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600 +#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601 +#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602 + +#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32) + +#define L1GPU_DISPLAY_SYNC_HSYNC 1 +#define L1GPU_DISPLAY_SYNC_VSYNC 2 + + +/* mutex synchronizing GPU accesses and video mode changes */ +extern struct mutex ps3_gpu_mutex; + + +static inline int lv1_gpu_display_sync(u64 context_handle, u64 head, + u64 ddr_offset) +{ + return lv1_gpu_context_attribute(context_handle, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, + head, ddr_offset, 0, 0); +} + +static inline int lv1_gpu_display_flip(u64 context_handle, u64 head, + u64 ddr_offset) +{ + return lv1_gpu_context_attribute(context_handle, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, + head, ddr_offset, 0, 0); +} + +static inline int lv1_gpu_fb_setup(u64 context_handle, u64 xdr_lpar, + u64 xdr_size, u64 ioif_offset) +{ + return lv1_gpu_context_attribute(context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP, + xdr_lpar, xdr_size, ioif_offset, 0); +} + +static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset, + u64 ioif_offset, u64 sync_width, u64 pitch) +{ + return lv1_gpu_context_attribute(context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, + ddr_offset, ioif_offset, sync_width, + pitch); +} + +#endif /* _ASM_POWERPC_PS3GPU_H */ -- cgit v1.2.3 From c204ff65590837e6a9c50ca549497b4682682ec6 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 10 Jun 2009 04:38:49 +0000 Subject: ps3fb: Tear down FB setup during cleanup During cleanup, use L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE to tear down the setup done by L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP. This allows unloading and reloading of ps3fb while the sound driver keeps the GPU open. Signed-off-by: Geert Uytterhoeven Cc: linux-fbdev-devel@lists.sourceforge.net Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/ps3gpu.h | 8 ++++++++ drivers/video/ps3fb.c | 5 ++++- 2 files changed, 12 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/include/asm/ps3gpu.h') diff --git a/arch/powerpc/include/asm/ps3gpu.h b/arch/powerpc/include/asm/ps3gpu.h index 1037efae4a51..b2b89591907c 100644 --- a/arch/powerpc/include/asm/ps3gpu.h +++ b/arch/powerpc/include/asm/ps3gpu.h @@ -31,6 +31,7 @@ #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602 +#define L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE 0x603 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32) @@ -75,4 +76,11 @@ static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset, pitch); } +static inline int lv1_gpu_fb_close(u64 context_handle) +{ + return lv1_gpu_context_attribute(context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0, + 0, 0, 0); +} + #endif /* _ASM_POWERPC_PS3GPU_H */ diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 13c876c6e32c..1baa1c93a224 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -1123,7 +1123,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); if (!info) - goto err_context_unmap; + goto err_context_fb_close; par = info->par; par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ @@ -1188,6 +1188,8 @@ err_fb_dealloc: fb_dealloc_cmap(&info->cmap); err_framebuffer_release: framebuffer_release(info); +err_context_fb_close: + lv1_gpu_fb_close(ps3fb.context_handle); err_context_unmap: lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size, CBE_IOPTE_M); @@ -1233,6 +1235,7 @@ static int ps3fb_shutdown(struct ps3_system_bus_device *dev) info = dev->core.driver_data = NULL; } iounmap((u8 __force __iomem *)ps3fb.dinfo); + lv1_gpu_fb_close(ps3fb.context_handle); lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size, CBE_IOPTE_M); lv1_gpu_context_free(ps3fb.context_handle); -- cgit v1.2.3