From: Alan Cox <alan@xxxxxxxxxxxxxxxxxx> This is taken from Richard Purdie's previous attempt to rip the heart out of the PVR driver and stake it. Accelerate copies and fills. [Revised patch which disables the methods until we can finish debugging them] Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/staging/gma500/Makefile | 1 + drivers/staging/gma500/psb_2d.c | 411 ++++++++++++++++++++++++++++++++++++++ drivers/staging/gma500/psb_drv.c | 12 +- drivers/staging/gma500/psb_drv.h | 13 ++ drivers/staging/gma500/psb_fb.c | 8 +- drivers/staging/gma500/psb_irq.c | 4 +- 6 files changed, 444 insertions(+), 5 deletions(-) create mode 100644 drivers/staging/gma500/psb_2d.c diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile index 21381eb..a52ba48 100644 --- a/drivers/staging/gma500/Makefile +++ b/drivers/staging/gma500/Makefile @@ -6,6 +6,7 @@ ccflags-y += -Iinclude/drm psb_gfx-y += psb_bl.o \ psb_drv.o \ psb_fb.o \ + psb_2d.o \ psb_gtt.o \ psb_intel_bios.o \ psb_intel_opregion.o \ diff --git a/drivers/staging/gma500/psb_2d.c b/drivers/staging/gma500/psb_2d.c new file mode 100644 index 0000000..e4cae5d --- /dev/null +++ b/drivers/staging/gma500/psb_2d.c @@ -0,0 +1,411 @@ +/************************************************************************** + * Copyright (c) 2007, Intel Corporation. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + * develop this driver. + * + **************************************************************************/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/console.h> + +#include <drm/drmP.h> +#include <drm/drm.h> +#include <drm/drm_crtc.h> + +#include "psb_drv.h" +#include "psb_reg.h" +#include "psb_drv.h" +#include "psb_fb.h" +#include "psb_sgx.h" + +void psb_spank(struct drm_psb_private *dev_priv) +{ + PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET | + _PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET | + _PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET | + _PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET); + (void) PSB_RSGX32(PSB_CR_SOFT_RESET); + + msleep(1); + + PSB_WSGX32(0, PSB_CR_SOFT_RESET); + wmb(); + PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT, + PSB_CR_BIF_CTRL); + wmb(); + (void) PSB_RSGX32(PSB_CR_BIF_CTRL); + + msleep(1); + PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT, + PSB_CR_BIF_CTRL); + (void) PSB_RSGX32(PSB_CR_BIF_CTRL); + PSB_WSGX32(dev_priv->pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); +} + +static int psb_2d_wait_available(struct drm_psb_private *dev_priv, + unsigned size) +{ + uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF); + unsigned long t = jiffies + HZ; + + while(avail < size) { + avail = PSB_RSGX32(PSB_CR_2D_SOCIF); + if (time_after(jiffies, t)) { + psb_spank(dev_priv); + return -EIO; + } + } + return 0; +} + +/* FIXME: Remember if we expose the 2D engine to the DRM we need to serialize + it with console use */ + +static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf, + unsigned size) +{ + int ret = 0; + int i; + unsigned submit_size; + + while (size > 0) { + submit_size = (size < 0x60) ? size : 0x60; + size -= submit_size; + ret = psb_2d_wait_available(dev_priv, submit_size); + if (ret) + return ret; + + submit_size <<= 2; + for (i = 0; i < submit_size; i += 4) { + PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i); + } + (void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4); + } + return 0; +} + +static int psb_accel_2d_fillrect(struct drm_psb_private *dev_priv, + uint32_t dst_offset, uint32_t dst_stride, + uint32_t dst_format, uint16_t dst_x, + uint16_t dst_y, uint16_t size_x, + uint16_t size_y, uint32_t fill) +{ + uint32_t buffer[10]; + uint32_t *buf; + + buf = buffer; + + *buf++ = PSB_2D_FENCE_BH; + + *buf++ = + PSB_2D_DST_SURF_BH | dst_format | (dst_stride << + PSB_2D_DST_STRIDE_SHIFT); + *buf++ = dst_offset; + + *buf++ = + PSB_2D_BLIT_BH | + PSB_2D_ROT_NONE | + PSB_2D_COPYORDER_TL2BR | + PSB_2D_DSTCK_DISABLE | + PSB_2D_SRCCK_DISABLE | PSB_2D_USE_FILL | PSB_2D_ROP3_PATCOPY; + + *buf++ = fill << PSB_2D_FILLCOLOUR_SHIFT; + *buf++ = + (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y << + PSB_2D_DST_YSTART_SHIFT); + *buf++ = + (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y << + PSB_2D_DST_YSIZE_SHIFT); + *buf++ = PSB_2D_FLUSH_BH; + + return psbfb_2d_submit(dev_priv, buffer, buf - buffer); +} + +static void psbfb_fillrect_accel(struct fb_info *info, + const struct fb_fillrect *r) +{ + struct psb_fbdev *fbdev = info->par; + struct psb_framebuffer *psbfb = fbdev->pfb; + struct drm_device *dev = psbfb->base.dev; + struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; + struct drm_psb_private *dev_priv = dev->dev_private; + + uint32_t offset; + uint32_t stride; + uint32_t format; + + if (!fb) + return; + + offset = psbfb->offset; + stride = fb->pitch; + + switch (fb->depth) { + case 8: + format = PSB_2D_DST_332RGB; + break; + case 15: + format = PSB_2D_DST_555RGB; + break; + case 16: + format = PSB_2D_DST_565RGB; + break; + case 24: + case 32: + /* this is wrong but since we don't do blending its okay */ + format = PSB_2D_DST_8888ARGB; + break; + default: + /* software fallback */ + cfb_fillrect(info, r); + return; + } + + psb_accel_2d_fillrect(dev_priv, + offset, stride, format, + r->dx, r->dy, r->width, r->height, r->color); +} + +void psbfb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + if (unlikely(info->state != FBINFO_STATE_RUNNING)) + return; + + if (1 || (info->flags & FBINFO_HWACCEL_DISABLED)) + return cfb_fillrect(info, rect); + + /*psb_check_power_state(dev, PSB_DEVICE_SGX); */ + psbfb_fillrect_accel(info, rect); + /* Drop power again here on MRST FIXMEAC */ +} + +static u32 psb_accel_2d_copy_direction(int xdir, int ydir) +{ + if (xdir < 0) + return (ydir < 0) ? PSB_2D_COPYORDER_BR2TL : + PSB_2D_COPYORDER_TR2BL; + else + return (ydir < 0) ? PSB_2D_COPYORDER_BL2TR : + PSB_2D_COPYORDER_TL2BR; +} + +/* + * @src_offset in bytes + * @src_stride in bytes + * @src_format psb 2D format defines + * @dst_offset in bytes + * @dst_stride in bytes + * @dst_format psb 2D format defines + * @src_x offset in pixels + * @src_y offset in pixels + * @dst_x offset in pixels + * @dst_y offset in pixels + * @size_x of the copied area + * @size_y of the copied area + */ +static int psb_accel_2d_copy(struct drm_psb_private *dev_priv, + uint32_t src_offset, uint32_t src_stride, + uint32_t src_format, uint32_t dst_offset, + uint32_t dst_stride, uint32_t dst_format, + uint16_t src_x, uint16_t src_y, + uint16_t dst_x, uint16_t dst_y, + uint16_t size_x, uint16_t size_y) +{ + uint32_t blit_cmd; + uint32_t buffer[10]; + uint32_t *buf; + uint32_t direction; + + buf = buffer; + + direction = + psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y); + + if (direction == PSB_2D_COPYORDER_BR2TL || + direction == PSB_2D_COPYORDER_TR2BL) { + src_x += size_x - 1; + dst_x += size_x - 1; + } + if (direction == PSB_2D_COPYORDER_BR2TL || + direction == PSB_2D_COPYORDER_BL2TR) { + src_y += size_y - 1; + dst_y += size_y - 1; + } + + blit_cmd = + PSB_2D_BLIT_BH | + PSB_2D_ROT_NONE | + PSB_2D_DSTCK_DISABLE | + PSB_2D_SRCCK_DISABLE | + PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction; + + *buf++ = PSB_2D_FENCE_BH; + *buf++ = + PSB_2D_DST_SURF_BH | dst_format | (dst_stride << + PSB_2D_DST_STRIDE_SHIFT); + *buf++ = dst_offset; + *buf++ = + PSB_2D_SRC_SURF_BH | src_format | (src_stride << + PSB_2D_SRC_STRIDE_SHIFT); + *buf++ = src_offset; + *buf++ = + PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) | + (src_y << PSB_2D_SRCOFF_YSTART_SHIFT); + *buf++ = blit_cmd; + *buf++ = + (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y << + PSB_2D_DST_YSTART_SHIFT); + *buf++ = + (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y << + PSB_2D_DST_YSIZE_SHIFT); + *buf++ = PSB_2D_FLUSH_BH; + + return psbfb_2d_submit(dev_priv, buffer, buf - buffer); +} + +static void psbfb_copyarea_accel(struct fb_info *info, + const struct fb_copyarea *a) +{ + struct psb_fbdev *fbdev = info->par; + struct psb_framebuffer *psbfb = fbdev->pfb; + struct drm_device *dev = psbfb->base.dev; + struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; + struct drm_psb_private *dev_priv = dev->dev_private; + uint32_t offset; + uint32_t stride; + uint32_t src_format; + uint32_t dst_format; + + if (!fb) + return; + + offset = psbfb->offset; + stride = fb->pitch; + + switch (fb->depth) { + case 8: + src_format = PSB_2D_SRC_332RGB; + dst_format = PSB_2D_DST_332RGB; + break; + case 15: + src_format = PSB_2D_SRC_555RGB; + dst_format = PSB_2D_DST_555RGB; + break; + case 16: + src_format = PSB_2D_SRC_565RGB; + dst_format = PSB_2D_DST_565RGB; + break; + case 24: + case 32: + /* this is wrong but since we don't do blending its okay */ + src_format = PSB_2D_SRC_8888ARGB; + dst_format = PSB_2D_DST_8888ARGB; + break; + default: + /* software fallback */ + cfb_copyarea(info, a); + return; + } + + psb_accel_2d_copy(dev_priv, + offset, stride, src_format, + offset, stride, dst_format, + a->sx, a->sy, a->dx, a->dy, a->width, a->height); +} + +void psbfb_copyarea(struct fb_info *info, + const struct fb_copyarea *region) +{ + if (unlikely(info->state != FBINFO_STATE_RUNNING)) + return; + + if (1 || (info->flags & FBINFO_HWACCEL_DISABLED)) + return cfb_copyarea(info, region); + + /* psb_check_power_state(dev, PSB_DEVICE_SGX); */ + psbfb_copyarea_accel(info, region); + /* Need to power back off here for MRST FIXMEAC */ +} + +void psbfb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + /* For now */ + cfb_imageblit(info, image); +} + +int psbfb_sync(struct fb_info *info) +{ + struct psb_fbdev *fbdev = info->par; + struct psb_framebuffer *psbfb = fbdev->pfb; + struct drm_device *dev = psbfb->base.dev; + struct drm_psb_private *dev_priv = dev->dev_private; + unsigned long _end = jiffies + DRM_HZ; + int busy = 0; + +#if 0 + /* Just a way to quickly test if cmd issue explodes */ + u32 test[2] = { + PSB_2D_FENCE_BH, + }; + psbfb_2d_submit(dev_priv, test, 1); +#endif + /* + * First idle the 2D engine. + */ + + if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) && + ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0)) + goto out; + + do { + busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY); + cpu_relax(); + } while (busy && !time_after_eq(jiffies, _end)); + + if (busy) + busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY); + if (busy) + goto out; + + do { + busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & + _PSB_C2B_STATUS_BUSY) != 0); + cpu_relax(); + } while (busy && !time_after_eq(jiffies, _end)); + if (busy) + busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & + _PSB_C2B_STATUS_BUSY) != 0); + +out: + return (busy) ? -EBUSY : 0; +} + +/* + info->fix.accel = FB_ACCEL_I830; + info->flags = FBINFO_DEFAULT; +*/ diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c index 2fe09c8..2b410af 100644 --- a/drivers/staging/gma500/psb_drv.c +++ b/drivers/staging/gma500/psb_drv.c @@ -446,6 +446,7 @@ static int psb_do_init(struct drm_device *dev) goto out_err; } + stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; stolen_gtt = @@ -471,6 +472,7 @@ static int psb_do_init(struct drm_device *dev) _PSB_CC_REVISION_DESIGNER_SHIFT); } + spin_lock_init(&dev_priv->irqmask_lock); tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ? @@ -479,6 +481,14 @@ static int psb_do_init(struct drm_device *dev) tt_pages -= tt_start >> PAGE_SHIFT; dev_priv->sizes.ta_mem_size = 0; + PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); + PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); + PSB_RSGX32(PSB_CR_BIF_BANK1); + PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK, + PSB_CR_BIF_CTRL); + psb_spank(dev_priv); + + PSB_WSGX32(pg->mmu_gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); /* TT region managed by TTM. */ if (!ttm_bo_init_mm(bdev, TTM_PL_TT, @@ -500,7 +510,6 @@ static int psb_do_init(struct drm_device *dev) PSB_MEM_TT_START / (1024*1024); } - PSB_DEBUG_INIT("Init MSVDX\n"); return 0; out_err: @@ -786,6 +795,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->pipestat[1] = 0; dev_priv->pipestat[2] = 0; spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); + PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h index 79417a4..f7c9762 100644 --- a/drivers/staging/gma500/psb_drv.h +++ b/drivers/staging/gma500/psb_drv.h @@ -919,6 +919,19 @@ extern int psbfb_kms_on_ioctl(struct drm_device *dev, void *data, extern void *psbfb_vdc_reg(struct drm_device* dev); /* + * psb_2d.c + */ +extern void psbfb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect); +extern void psbfb_copyarea(struct fb_info *info, + const struct fb_copyarea *region); +extern void psbfb_imageblit(struct fb_info *info, + const struct fb_image *image); +extern int psbfb_sync(struct fb_info *info); + +extern void psb_spank(struct drm_psb_private *dev_priv); + +/* *psb_reset.c */ diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c index 6585e88..94d8457 100644 --- a/drivers/staging/gma500/psb_fb.c +++ b/drivers/staging/gma500/psb_fb.c @@ -279,10 +279,11 @@ static struct fb_ops psbfb_ops = { .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = psbfb_fillrect, + .fb_copyarea = psbfb_copyarea, + .fb_imageblit = psbfb_imageblit, .fb_mmap = psbfb_mmap, + .fb_sync = psbfb_sync, }; static struct drm_framebuffer *psb_framebuffer_create @@ -394,6 +395,7 @@ static struct drm_framebuffer *psb_user_framebuffer_create strcpy(info->fix.id, "psbfb"); info->flags = FBINFO_DEFAULT; + info->fix.accel = FB_ACCEL_I830; /*FIXMEAC*/ info->fbops = &psbfb_ops; info->fix.smem_start = dev->mode_config.fb_base; diff --git a/drivers/staging/gma500/psb_irq.c b/drivers/staging/gma500/psb_irq.c index 3cdcd1e..ce7dbf4 100644 --- a/drivers/staging/gma500/psb_irq.c +++ b/drivers/staging/gma500/psb_irq.c @@ -256,6 +256,7 @@ irqreturn_t psb_irq_handler(DRM_IRQ_ARGS) PSB_WSGX32(s2, PSB_CR_EVENT_HOST_CLEAR2); /* if s & _PSB_CE_TWOD_COMPLETE we have 2D done but we may as well poll even if we add that ! */ + handled = 1; } PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R); @@ -300,9 +301,10 @@ void psb_irq_preinstall_islands(struct drm_device *dev, int hw_islands) _MDFLD_PIPEC_EVENT_FLAG; } } +/* NO I DONT WANT ANY IRQS GRRR FIXMEAC */ if (hw_islands & OSPM_GRAPHICS_ISLAND) dev_priv->vdc_irq_mask |= _PSB_IRQ_SGX_FLAG; - +/* */ /*This register is safe even if display island is off*/ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); -- 1.7.4.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
