From: Alan Cox Date: Tue, 5 Jul 2011 14:41:11 +0000 (+0100) Subject: gma500: move framebuffer file X-Git-Tag: MMI-PSA29.97-13-9~18845^2~397 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=657839ba30a32e3317772493312812e3d80d7b4a;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git gma500: move framebuffer file The framebuffer code is now clean of device specific code, and passes checkpatch. Move it to its new name Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile index 2ad6b1cf21b1..fb6040f01d75 100644 --- a/drivers/staging/gma500/Makefile +++ b/drivers/staging/gma500/Makefile @@ -6,9 +6,9 @@ ccflags-y += -Iinclude/drm psb_gfx-y += gem_glue.o \ backlight.o \ power.o \ + framebuffer.o \ psb_drv.o \ psb_gem.o \ - psb_fb.o \ psb_2d.o \ psb_gtt.o \ psb_intel_bios.o \ diff --git a/drivers/staging/gma500/framebuffer.c b/drivers/staging/gma500/framebuffer.c new file mode 100644 index 000000000000..716a7b979301 --- /dev/null +++ b/drivers/staging/gma500/framebuffer.c @@ -0,0 +1,803 @@ +/************************************************************************** + * Copyright (c) 2007-2011, 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. + * + **************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "psb_drv.h" +#include "psb_intel_reg.h" +#include "psb_intel_drv.h" +#include "framebuffer.h" + +#include "mdfld_output.h" + +static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); +static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned int *handle); + +static const struct drm_framebuffer_funcs psb_fb_funcs = { + .destroy = psb_user_framebuffer_destroy, + .create_handle = psb_user_framebuffer_create_handle, +}; + +#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) + +static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info) +{ + struct psb_fbdev *fbdev = info->par; + struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; + uint32_t v; + + if (!fb) + return -ENOMEM; + + if (regno > 255) + return 1; + + red = CMAP_TOHW(red, info->var.red.length); + blue = CMAP_TOHW(blue, info->var.blue.length); + green = CMAP_TOHW(green, info->var.green.length); + transp = CMAP_TOHW(transp, info->var.transp.length); + + v = (red << info->var.red.offset) | + (green << info->var.green.offset) | + (blue << info->var.blue.offset) | + (transp << info->var.transp.offset); + + if (regno < 16) { + switch (fb->bits_per_pixel) { + case 16: + ((uint32_t *) info->pseudo_palette)[regno] = v; + break; + case 24: + case 32: + ((uint32_t *) info->pseudo_palette)[regno] = v; + break; + } + } + + return 0; +} + + +void psbfb_suspend(struct drm_device *dev) +{ + struct drm_framebuffer *fb = 0; + struct psb_framebuffer *psbfb = to_psb_fb(fb); + + console_lock(); + mutex_lock(&dev->mode_config.mutex); + list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + struct fb_info *info = psbfb->fbdev; + fb_set_suspend(info, 1); + drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); + } + mutex_unlock(&dev->mode_config.mutex); + console_unlock(); +} + +void psbfb_resume(struct drm_device *dev) +{ + struct drm_framebuffer *fb = 0; + struct psb_framebuffer *psbfb = to_psb_fb(fb); + + console_lock(); + mutex_lock(&dev->mode_config.mutex); + list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + struct fb_info *info = psbfb->fbdev; + fb_set_suspend(info, 0); + drm_fb_helper_blank(FB_BLANK_UNBLANK, info); + } + mutex_unlock(&dev->mode_config.mutex); + console_unlock(); + drm_helper_disable_unused_functions(dev); +} + +static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +{ + struct psb_framebuffer *psbfb = vma->vm_private_data; + struct drm_device *dev = psbfb->base.dev; + struct drm_psb_private *dev_priv = dev->dev_private; + int page_num; + int i; + unsigned long address; + int ret; + unsigned long pfn; + /* FIXME: assumes fb at stolen base which may not be true */ + unsigned long phys_addr = (unsigned long)dev_priv->stolen_base; + + page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + address = (unsigned long)vmf->virtual_address; + + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + + for (i = 0; i < page_num; i++) { + pfn = (phys_addr >> PAGE_SHIFT); + + ret = vm_insert_mixed(vma, address, pfn); + if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) + break; + else if (unlikely(ret != 0)) { + ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; + return ret; + } + address += PAGE_SIZE; + phys_addr += PAGE_SIZE; + } + return VM_FAULT_NOPAGE; +} + +static void psbfb_vm_open(struct vm_area_struct *vma) +{ +} + +static void psbfb_vm_close(struct vm_area_struct *vma) +{ +} + +static struct vm_operations_struct psbfb_vm_ops = { + .fault = psbfb_vm_fault, + .open = psbfb_vm_open, + .close = psbfb_vm_close +}; + +static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + struct psb_fbdev *fbdev = info->par; + struct psb_framebuffer *psbfb = &fbdev->pfb; + + if (vma->vm_pgoff != 0) + return -EINVAL; + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + + if (!psbfb->addr_space) + psbfb->addr_space = vma->vm_file->f_mapping; + /* + * If this is a GEM object then info->screen_base is the virtual + * kernel remapping of the object. FIXME: Review if this is + * suitable for our mmap work + */ + vma->vm_ops = &psbfb_vm_ops; + vma->vm_private_data = (void *)psbfb; + vma->vm_flags |= VM_RESERVED | VM_IO | + VM_MIXEDMAP | VM_DONTEXPAND; + return 0; +} + +static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) +{ + 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; + u32 __user *p = (u32 __user *)arg; + u32 l; + u32 buf[32]; + switch (cmd) { + case 0x12345678: + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + if (!dev_priv->ops->accel_2d) + return -EOPNOTSUPP; + if (get_user(l, p)) + return -EFAULT; + if (l > 32) + return -EMSGSIZE; + if (copy_from_user(buf, p + 1, l * sizeof(u32))) + return -EFAULT; + psbfb_2d_submit(dev_priv, buf, l); + return 0; + default: + return -ENOTTY; + } +} + +static struct fb_ops psbfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = drm_fb_helper_check_var, + .fb_set_par = drm_fb_helper_set_par, + .fb_blank = drm_fb_helper_blank, + .fb_setcolreg = psbfb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = psbfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_mmap = psbfb_mmap, + .fb_sync = psbfb_sync, + .fb_ioctl = psbfb_ioctl, +}; + +static struct fb_ops psbfb_unaccel_ops = { + .owner = THIS_MODULE, + .fb_check_var = drm_fb_helper_check_var, + .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_mmap = psbfb_mmap, + .fb_ioctl = psbfb_ioctl, +}; + +/** + * psb_framebuffer_init - initialize a framebuffer + * @dev: our DRM device + * @fb: framebuffer to set up + * @mode_cmd: mode description + * @gt: backing object + * + * Configure and fill in the boilerplate for our frame buffer. Return + * 0 on success or an error code if we fail. + */ +static int psb_framebuffer_init(struct drm_device *dev, + struct psb_framebuffer *fb, + struct drm_mode_fb_cmd *mode_cmd, + struct gtt_range *gt) +{ + int ret; + + if (mode_cmd->pitch & 63) + return -EINVAL; + switch (mode_cmd->bpp) { + case 8: + case 16: + case 24: + case 32: + break; + default: + return -EINVAL; + } + ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); + if (ret) { + dev_err(dev->dev, "framebuffer init failed: %d\n", ret); + return ret; + } + drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); + fb->gtt = gt; + return 0; +} + +/** + * psb_framebuffer_create - create a framebuffer backed by gt + * @dev: our DRM device + * @mode_cmd: the description of the requested mode + * @gt: the backing object + * + * Create a framebuffer object backed by the gt, and fill in the + * boilerplate required + * + * TODO: review object references + */ + +static struct drm_framebuffer *psb_framebuffer_create + (struct drm_device *dev, + struct drm_mode_fb_cmd *mode_cmd, + struct gtt_range *gt) +{ + struct psb_framebuffer *fb; + int ret; + + fb = kzalloc(sizeof(*fb), GFP_KERNEL); + if (!fb) + return ERR_PTR(-ENOMEM); + + ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); + if (ret) { + kfree(fb); + return ERR_PTR(ret); + } + return &fb->base; +} + +/** + * psbfb_alloc - allocate frame buffer memory + * @dev: the DRM device + * @aligned_size: space needed + * + * Allocate the frame buffer. In the usual case we get a GTT range that + * is stolen memory backed and life is simple. If there isn't sufficient + * stolen memory or the system has no stolen memory we allocate a range + * and back it with a GEM object. + * + * In this case the GEM object has no handle. + * + * FIXME: console speed up - allocate twice the space if room and use + * hardware scrolling for acceleration. + */ +static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) +{ + struct gtt_range *backing; + /* Begin by trying to use stolen memory backing */ + backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1); + if (backing) { + if (drm_gem_private_object_init(dev, + &backing->gem, aligned_size) == 0) + return backing; + psb_gtt_free_range(dev, backing); + } + /* Next try using GEM host memory */ + backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0); + if (backing == NULL) + return NULL; + + /* Now back it with an object */ + if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) { + psb_gtt_free_range(dev, backing); + return NULL; + } + return backing; +} + +/** + * psbfb_create - create a framebuffer + * @fbdev: the framebuffer device + * @sizes: specification of the layout + * + * Create a framebuffer to the specifications provided + */ +static int psbfb_create(struct psb_fbdev *fbdev, + struct drm_fb_helper_surface_size *sizes) +{ + struct drm_device *dev = fbdev->psb_fb_helper.dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct fb_info *info; + struct drm_framebuffer *fb; + struct psb_framebuffer *psbfb = &fbdev->pfb; + struct drm_mode_fb_cmd mode_cmd; + struct device *device = &dev->pdev->dev; + int size; + int ret; + struct gtt_range *backing; + + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; + mode_cmd.bpp = sizes->surface_bpp; + + /* No 24bit packed */ + if (mode_cmd.bpp == 24) + mode_cmd.bpp = 32; + + /* HW requires pitch to be 64 byte aligned */ + mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 7) / 8), 64); + mode_cmd.depth = sizes->surface_depth; + + size = mode_cmd.pitch * mode_cmd.height; + size = ALIGN(size, PAGE_SIZE); + + /* Allocate the framebuffer in the GTT with stolen page backing */ + backing = psbfb_alloc(dev, size); + if (backing == NULL) + return -ENOMEM; + + mutex_lock(&dev->struct_mutex); + + info = framebuffer_alloc(0, device); + if (!info) { + ret = -ENOMEM; + goto out_err1; + } + info->par = fbdev; + + ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); + if (ret) + goto out_unref; + + fb = &psbfb->base; + psbfb->fbdev = info; + + fbdev->psb_fb_helper.fb = fb; + fbdev->psb_fb_helper.fbdev = info; + + strcpy(info->fix.id, "psbfb"); + + info->flags = FBINFO_DEFAULT; + /* No 2D engine */ + if (!dev_priv->ops->accel_2d) + info->fbops = &psbfb_unaccel_ops; + else + info->fbops = &psbfb_ops; + + ret = fb_alloc_cmap(&info->cmap, 256, 0); + if (ret) { + ret = -ENOMEM; + goto out_unref; + } + + info->fix.smem_start = dev->mode_config.fb_base; + info->fix.smem_len = size; + + if (backing->stolen) { + /* Accessed stolen memory directly */ + info->screen_base = (char *)dev_priv->vram_addr + + backing->offset; + } else { + /* Pin the pages into the GTT and create a mapping to them */ + psb_gtt_pin(backing); + info->screen_base = vm_map_ram(backing->pages, backing->npage, + -1, PAGE_KERNEL); + if (info->screen_base == NULL) { + psb_gtt_unpin(backing); + ret = -ENOMEM; + goto out_unref; + } + psbfb->vm_map = 1; + } + info->screen_size = size; + + if (dev_priv->pg->stolen_size) { + info->apertures = alloc_apertures(1); + if (!info->apertures) { + ret = -ENOMEM; + goto out_unref; + } + info->apertures->ranges[0].base = dev->mode_config.fb_base; + info->apertures->ranges[0].size = dev_priv->pg->stolen_size; + } + + drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); + drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, + sizes->fb_width, sizes->fb_height); + + info->fix.mmio_start = pci_resource_start(dev->pdev, 0); + info->fix.mmio_len = pci_resource_len(dev->pdev, 0); + + info->pixmap.size = 64 * 1024; + info->pixmap.buf_align = 8; + info->pixmap.access_align = 32; + info->pixmap.flags = FB_PIXMAP_SYSTEM; + info->pixmap.scan_align = 1; + + dev_info(dev->dev, "allocated %dx%d fb\n", + psbfb->base.width, psbfb->base.height); + + mutex_unlock(&dev->struct_mutex); + return 0; +out_unref: + if (backing->stolen) + psb_gtt_free_range(dev, backing); + else { + if (psbfb->vm_map) + vm_unmap_ram(info->screen_base, backing->npage); + drm_gem_object_unreference(&backing->gem); + } +out_err1: + mutex_unlock(&dev->struct_mutex); + psb_gtt_free_range(dev, backing); + return ret; +} + +/** + * psb_user_framebuffer_create - create framebuffer + * @dev: our DRM device + * @filp: client file + * @cmd: mode request + * + * Create a new framebuffer backed by a userspace GEM object + */ +static struct drm_framebuffer *psb_user_framebuffer_create + (struct drm_device *dev, struct drm_file *filp, + struct drm_mode_fb_cmd *cmd) +{ + struct gtt_range *r; + struct drm_gem_object *obj; + + /* + * Find the GEM object and thus the gtt range object that is + * to back this space + */ + obj = drm_gem_object_lookup(dev, filp, cmd->handle); + if (obj == NULL) + return ERR_PTR(-ENOENT); + + /* Let the core code do all the work */ + r = container_of(obj, struct gtt_range, gem); + return psb_framebuffer_create(dev, cmd, r); +} + +static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno) +{ +} + +static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, + u16 *green, u16 *blue, int regno) +{ +} + +static int psbfb_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) +{ + struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; + int new_fb = 0; + int ret; + + if (!helper->fb) { + ret = psbfb_create(psb_fbdev, sizes); + if (ret) + return ret; + new_fb = 1; + } + return new_fb; +} + +struct drm_fb_helper_funcs psb_fb_helper_funcs = { + .gamma_set = psbfb_gamma_set, + .gamma_get = psbfb_gamma_get, + .fb_probe = psbfb_probe, +}; + +int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) +{ + struct fb_info *info; + struct psb_framebuffer *psbfb = &fbdev->pfb; + + if (fbdev->psb_fb_helper.fbdev) { + info = fbdev->psb_fb_helper.fbdev; + + /* If this is our base framebuffer then kill any virtual map + for the framebuffer layer and unpin it */ + if (psbfb->vm_map) { + vm_unmap_ram(info->screen_base, psbfb->gtt->npage); + psb_gtt_unpin(psbfb->gtt); + } + unregister_framebuffer(info); + if (info->cmap.len) + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); + } + drm_fb_helper_fini(&fbdev->psb_fb_helper); + drm_framebuffer_cleanup(&psbfb->base); + + if (psbfb->gtt) + drm_gem_object_unreference(&psbfb->gtt->gem); + return 0; +} + +int psb_fbdev_init(struct drm_device *dev) +{ + struct psb_fbdev *fbdev; + struct drm_psb_private *dev_priv = dev->dev_private; + + fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); + if (!fbdev) { + dev_err(dev->dev, "no memory\n"); + return -ENOMEM; + } + + dev_priv->fbdev = fbdev; + fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; + + drm_fb_helper_init(dev, &fbdev->psb_fb_helper, 2, + INTELFB_CONN_LIMIT); + + drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); + drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); + return 0; +} + +void psb_fbdev_fini(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + + if (!dev_priv->fbdev) + return; + + psb_fbdev_destroy(dev, dev_priv->fbdev); + kfree(dev_priv->fbdev); + dev_priv->fbdev = NULL; +} + +static void psbfb_output_poll_changed(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; + drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); +} + +/** + * psb_user_framebuffer_create_handle - add hamdle to a framebuffer + * @fb: framebuffer + * @file_priv: our DRM file + * @handle: returned handle + * + * Our framebuffer object is a GTT range which also contains a GEM + * object. We need to turn it into a handle for userspace. GEM will do + * the work for us + */ +static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned int *handle) +{ + struct psb_framebuffer *psbfb = to_psb_fb(fb); + struct gtt_range *r = psbfb->gtt; + return drm_gem_handle_create(file_priv, &r->gem, handle); +} + +/** + * psb_user_framebuffer_destroy - destruct user created fb + * @fb: framebuffer + * + * User framebuffers are backed by GEM objects so all we have to do is + * clean up a bit and drop the reference, GEM will handle the fallout + */ +static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct psb_framebuffer *psbfb = to_psb_fb(fb); + struct gtt_range *r = psbfb->gtt; + struct drm_device *dev = fb->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct psb_fbdev *fbdev = dev_priv->fbdev; + struct drm_crtc *crtc; + int reset = 0; + + /* Should never get stolen memory for a user fb */ + WARN_ON(r->stolen); + + /* Check if we are erroneously live */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + if (crtc->fb == fb) + reset = 1; + + if (reset) + /* + * Now force a sane response before we permit the DRM CRTC + * layer to do stupid things like blank the display. Instead + * we reset this framebuffer as if the user had forced a reset. + * We must do this before the cleanup so that the DRM layer + * doesn't get a chance to stick its oar in where it isn't + * wanted. + */ + drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper); + + /* Let DRM do its clean up */ + drm_framebuffer_cleanup(fb); + /* We are no longer using the resource in GEM */ + drm_gem_object_unreference_unlocked(&r->gem); + kfree(fb); +} + +static const struct drm_mode_config_funcs psb_mode_funcs = { + .fb_create = psb_user_framebuffer_create, + .output_poll_changed = psbfb_output_poll_changed, +}; + +static int psb_create_backlight_property(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct drm_property *backlight; + + if (dev_priv->backlight_property) + return 0; + + backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE, + "backlight", 2); + backlight->values[0] = 0; + backlight->values[1] = 100; + + dev_priv->backlight_property = backlight; + + return 0; +} + +static void psb_setup_outputs(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct drm_connector *connector; + + drm_mode_create_scaling_mode_property(dev); + psb_create_backlight_property(dev); + + dev_priv->ops->output_init(dev); + + list_for_each_entry(connector, &dev->mode_config.connector_list, + head) { + struct psb_intel_output *psb_intel_output = + to_psb_intel_output(connector); + struct drm_encoder *encoder = &psb_intel_output->enc; + int crtc_mask = 0, clone_mask = 0; + + /* valid crtcs */ + switch (psb_intel_output->type) { + case INTEL_OUTPUT_SDVO: + crtc_mask = ((1 << 0) | (1 << 1)); + clone_mask = (1 << INTEL_OUTPUT_SDVO); + break; + case INTEL_OUTPUT_LVDS: + if (IS_MRST(dev)) + crtc_mask = (1 << 0); + else + crtc_mask = (1 << 1); + clone_mask = (1 << INTEL_OUTPUT_LVDS); + break; + case INTEL_OUTPUT_MIPI: + crtc_mask = (1 << 0); + clone_mask = (1 << INTEL_OUTPUT_MIPI); + break; + case INTEL_OUTPUT_MIPI2: + crtc_mask = (1 << 2); + clone_mask = (1 << INTEL_OUTPUT_MIPI2); + break; + case INTEL_OUTPUT_HDMI: + crtc_mask = (1 << 1); + clone_mask = (1 << INTEL_OUTPUT_HDMI); + break; + } + encoder->possible_crtcs = crtc_mask; + encoder->possible_clones = + psb_intel_connector_clones(dev, clone_mask); + } +} + +void psb_modeset_init(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = + (struct drm_psb_private *) dev->dev_private; + struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; + int i; + + drm_mode_config_init(dev); + + dev->mode_config.min_width = 0; + dev->mode_config.min_height = 0; + + dev->mode_config.funcs = (void *) &psb_mode_funcs; + + /* set memory base */ + /* MRST and PSB should use BAR 2*/ + pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) + &(dev->mode_config.fb_base)); + + /* num pipes is 2 for PSB but 1 for Mrst */ + for (i = 0; i < dev_priv->num_pipe; i++) + psb_intel_crtc_init(dev, i, mode_dev); + + dev->mode_config.max_width = 2048; + dev->mode_config.max_height = 2048; + + psb_setup_outputs(dev); +} + +void psb_modeset_cleanup(struct drm_device *dev) +{ + mutex_lock(&dev->struct_mutex); + + drm_kms_helper_poll_fini(dev); + psb_fbdev_fini(dev); + drm_mode_config_cleanup(dev); + + mutex_unlock(&dev->struct_mutex); +} diff --git a/drivers/staging/gma500/framebuffer.h b/drivers/staging/gma500/framebuffer.h new file mode 100644 index 000000000000..9416a2138f64 --- /dev/null +++ b/drivers/staging/gma500/framebuffer.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2008-2011, Intel Corporation + * + * 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. + * + * Authors: + * Eric Anholt + * + */ + +#ifndef _FRAMEBUFFER_H_ +#define _FRAMEBUFFER_H_ + +#include +#include +#include + +#include "psb_drv.h" + +struct psb_framebuffer { + struct drm_framebuffer base; + struct address_space *addr_space; + struct fb_info *fbdev; + struct gtt_range *gtt; + bool vm_map; /* True if we must undo a vm_map_ram */ +}; + +struct psb_fbdev { + struct drm_fb_helper psb_fb_helper; + struct psb_framebuffer pfb; +}; + +#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base) + +extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask); + +#endif + diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c index 0b619b68642f..1447a5bc48bf 100644 --- a/drivers/staging/gma500/mdfld_intel_display.c +++ b/drivers/staging/gma500/mdfld_intel_display.c @@ -24,7 +24,7 @@ * Eric Anholt */ -#include "psb_fb.h" +#include "framebuffer.h" #include "psb_intel_display.h" #include "mdfld_dsi_dbi.h" #include "mdfld_dsi_dpi.h" diff --git a/drivers/staging/gma500/mrst_crtc.c b/drivers/staging/gma500/mrst_crtc.c index fb9f2a2ee774..d12d1a6af2b3 100644 --- a/drivers/staging/gma500/mrst_crtc.c +++ b/drivers/staging/gma500/mrst_crtc.c @@ -19,7 +19,7 @@ #include #include -#include "psb_fb.h" +#include "framebuffer.h" #include "psb_drv.h" #include "psb_intel_drv.h" #include "psb_intel_reg.h" diff --git a/drivers/staging/gma500/psb_2d.c b/drivers/staging/gma500/psb_2d.c index df4c519d100c..5ca4c4278c32 100644 --- a/drivers/staging/gma500/psb_2d.c +++ b/drivers/staging/gma500/psb_2d.c @@ -38,8 +38,7 @@ #include "psb_drv.h" #include "psb_reg.h" -#include "psb_drv.h" -#include "psb_fb.h" +#include "framebuffer.h" /** * psb_spank - reset the 2D engine diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c index ba47178f6231..4114ffd74f18 100644 --- a/drivers/staging/gma500/psb_drv.c +++ b/drivers/staging/gma500/psb_drv.c @@ -23,7 +23,7 @@ #include #include "psb_drm.h" #include "psb_drv.h" -#include "psb_fb.h" +#include "framebuffer.h" #include "psb_reg.h" #include "psb_intel_reg.h" #include "psb_intel_bios.h" diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c deleted file mode 100644 index 17c3cf6388b5..000000000000 --- a/drivers/staging/gma500/psb_fb.c +++ /dev/null @@ -1,803 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, 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. - * - **************************************************************************/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "psb_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_drv.h" -#include "psb_fb.h" - -#include "mdfld_output.h" - -static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); -static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int *handle); - -static const struct drm_framebuffer_funcs psb_fb_funcs = { - .destroy = psb_user_framebuffer_destroy, - .create_handle = psb_user_framebuffer_create_handle, -}; - -#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) - -static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct psb_fbdev *fbdev = info->par; - struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; - uint32_t v; - - if (!fb) - return -ENOMEM; - - if (regno > 255) - return 1; - - red = CMAP_TOHW(red, info->var.red.length); - blue = CMAP_TOHW(blue, info->var.blue.length); - green = CMAP_TOHW(green, info->var.green.length); - transp = CMAP_TOHW(transp, info->var.transp.length); - - v = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset) | - (transp << info->var.transp.offset); - - if (regno < 16) { - switch (fb->bits_per_pixel) { - case 16: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - case 24: - case 32: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - } - } - - return 0; -} - - -void psbfb_suspend(struct drm_device *dev) -{ - struct drm_framebuffer *fb = 0; - struct psb_framebuffer *psbfb = to_psb_fb(fb); - - console_lock(); - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(fb, &dev->mode_config.fb_list, head) { - struct fb_info *info = psbfb->fbdev; - fb_set_suspend(info, 1); - drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); - } - mutex_unlock(&dev->mode_config.mutex); - console_unlock(); -} - -void psbfb_resume(struct drm_device *dev) -{ - struct drm_framebuffer *fb = 0; - struct psb_framebuffer *psbfb = to_psb_fb(fb); - - console_lock(); - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(fb, &dev->mode_config.fb_list, head) { - struct fb_info *info = psbfb->fbdev; - fb_set_suspend(info, 0); - drm_fb_helper_blank(FB_BLANK_UNBLANK, info); - } - mutex_unlock(&dev->mode_config.mutex); - console_unlock(); - drm_helper_disable_unused_functions(dev); -} - -static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - struct psb_framebuffer *psbfb = vma->vm_private_data; - struct drm_device *dev = psbfb->base.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - int page_num; - int i; - unsigned long address; - int ret; - unsigned long pfn; - /* FIXME: assumes fb at stolen base which may not be true */ - unsigned long phys_addr = (unsigned long)dev_priv->stolen_base; - - page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; - address = (unsigned long)vmf->virtual_address; - - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - - for (i = 0; i < page_num; i++) { - pfn = (phys_addr >> PAGE_SHIFT); - - ret = vm_insert_mixed(vma, address, pfn); - if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) - break; - else if (unlikely(ret != 0)) { - ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; - return ret; - } - address += PAGE_SIZE; - phys_addr += PAGE_SIZE; - } - return VM_FAULT_NOPAGE; -} - -static void psbfb_vm_open(struct vm_area_struct *vma) -{ -} - -static void psbfb_vm_close(struct vm_area_struct *vma) -{ -} - -static struct vm_operations_struct psbfb_vm_ops = { - .fault = psbfb_vm_fault, - .open = psbfb_vm_open, - .close = psbfb_vm_close -}; - -static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; - - if (vma->vm_pgoff != 0) - return -EINVAL; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - - if (!psbfb->addr_space) - psbfb->addr_space = vma->vm_file->f_mapping; - /* - * If this is a GEM object then info->screen_base is the virtual - * kernel remapping of the object. FIXME: Review if this is - * suitable for our mmap work - */ - vma->vm_ops = &psbfb_vm_ops; - vma->vm_private_data = (void *)psbfb; - vma->vm_flags |= VM_RESERVED | VM_IO | - VM_MIXEDMAP | VM_DONTEXPAND; - return 0; -} - -static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg) -{ - 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; - u32 __user *p = (u32 __user *)arg; - u32 l; - u32 buf[32]; - switch (cmd) { - case 0x12345678: - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - if (!dev_priv->ops->accel_2d) - return -EOPNOTSUPP; - if (get_user(l, p)) - return -EFAULT; - if (l > 32) - return -EMSGSIZE; - if (copy_from_user(buf, p + 1, l * sizeof(u32))) - return -EFAULT; - psbfb_2d_submit(dev_priv, buf, l); - return 0; - default: - return -ENOTTY; - } -} - -static struct fb_ops psbfb_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = drm_fb_helper_set_par, - .fb_blank = drm_fb_helper_blank, - .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = psbfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_mmap = psbfb_mmap, - .fb_sync = psbfb_sync, - .fb_ioctl = psbfb_ioctl, -}; - -static struct fb_ops psbfb_unaccel_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .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_mmap = psbfb_mmap, - .fb_ioctl = psbfb_ioctl, -}; - -/** - * psb_framebuffer_init - initialize a framebuffer - * @dev: our DRM device - * @fb: framebuffer to set up - * @mode_cmd: mode description - * @gt: backing object - * - * Configure and fill in the boilerplate for our frame buffer. Return - * 0 on success or an error code if we fail. - */ -static int psb_framebuffer_init(struct drm_device *dev, - struct psb_framebuffer *fb, - struct drm_mode_fb_cmd *mode_cmd, - struct gtt_range *gt) -{ - int ret; - - if (mode_cmd->pitch & 63) - return -EINVAL; - switch (mode_cmd->bpp) { - case 8: - case 16: - case 24: - case 32: - break; - default: - return -EINVAL; - } - ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); - if (ret) { - dev_err(dev->dev, "framebuffer init failed: %d\n", ret); - return ret; - } - drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); - fb->gtt = gt; - return 0; -} - -/** - * psb_framebuffer_create - create a framebuffer backed by gt - * @dev: our DRM device - * @mode_cmd: the description of the requested mode - * @gt: the backing object - * - * Create a framebuffer object backed by the gt, and fill in the - * boilerplate required - * - * TODO: review object references - */ - -static struct drm_framebuffer *psb_framebuffer_create - (struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, - struct gtt_range *gt) -{ - struct psb_framebuffer *fb; - int ret; - - fb = kzalloc(sizeof(*fb), GFP_KERNEL); - if (!fb) - return ERR_PTR(-ENOMEM); - - ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); - if (ret) { - kfree(fb); - return ERR_PTR(ret); - } - return &fb->base; -} - -/** - * psbfb_alloc - allocate frame buffer memory - * @dev: the DRM device - * @aligned_size: space needed - * - * Allocate the frame buffer. In the usual case we get a GTT range that - * is stolen memory backed and life is simple. If there isn't sufficient - * stolen memory or the system has no stolen memory we allocate a range - * and back it with a GEM object. - * - * In this case the GEM object has no handle. - * - * FIXME: console speed up - allocate twice the space if room and use - * hardware scrolling for acceleration. - */ -static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) -{ - struct gtt_range *backing; - /* Begin by trying to use stolen memory backing */ - backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1); - if (backing) { - if (drm_gem_private_object_init(dev, - &backing->gem, aligned_size) == 0) - return backing; - psb_gtt_free_range(dev, backing); - } - /* Next try using GEM host memory */ - backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0); - if (backing == NULL) - return NULL; - - /* Now back it with an object */ - if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) { - psb_gtt_free_range(dev, backing); - return NULL; - } - return backing; -} - -/** - * psbfb_create - create a framebuffer - * @fbdev: the framebuffer device - * @sizes: specification of the layout - * - * Create a framebuffer to the specifications provided - */ -static int psbfb_create(struct psb_fbdev *fbdev, - struct drm_fb_helper_surface_size *sizes) -{ - struct drm_device *dev = fbdev->psb_fb_helper.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct fb_info *info; - struct drm_framebuffer *fb; - struct psb_framebuffer *psbfb = &fbdev->pfb; - struct drm_mode_fb_cmd mode_cmd; - struct device *device = &dev->pdev->dev; - int size; - int ret; - struct gtt_range *backing; - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = sizes->surface_bpp; - - /* No 24bit packed */ - if (mode_cmd.bpp == 24) - mode_cmd.bpp = 32; - - /* HW requires pitch to be 64 byte aligned */ - mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 7) / 8), 64); - mode_cmd.depth = sizes->surface_depth; - - size = mode_cmd.pitch * mode_cmd.height; - size = ALIGN(size, PAGE_SIZE); - - /* Allocate the framebuffer in the GTT with stolen page backing */ - backing = psbfb_alloc(dev, size); - if (backing == NULL) - return -ENOMEM; - - mutex_lock(&dev->struct_mutex); - - info = framebuffer_alloc(0, device); - if (!info) { - ret = -ENOMEM; - goto out_err1; - } - info->par = fbdev; - - ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); - if (ret) - goto out_unref; - - fb = &psbfb->base; - psbfb->fbdev = info; - - fbdev->psb_fb_helper.fb = fb; - fbdev->psb_fb_helper.fbdev = info; - - strcpy(info->fix.id, "psbfb"); - - info->flags = FBINFO_DEFAULT; - /* No 2D engine */ - if (!dev_priv->ops->accel_2d) - info->fbops = &psbfb_unaccel_ops; - else - info->fbops = &psbfb_ops; - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unref; - } - - info->fix.smem_start = dev->mode_config.fb_base; - info->fix.smem_len = size; - - if (backing->stolen) { - /* Accessed stolen memory directly */ - info->screen_base = (char *)dev_priv->vram_addr + - backing->offset; - } else { - /* Pin the pages into the GTT and create a mapping to them */ - psb_gtt_pin(backing); - info->screen_base = vm_map_ram(backing->pages, backing->npage, - -1, PAGE_KERNEL); - if (info->screen_base == NULL) { - psb_gtt_unpin(backing); - ret = -ENOMEM; - goto out_unref; - } - psbfb->vm_map = 1; - } - info->screen_size = size; - - if (dev_priv->pg->stolen_size) { - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unref; - } - info->apertures->ranges[0].base = dev->mode_config.fb_base; - info->apertures->ranges[0].size = dev_priv->pg->stolen_size; - } - - drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); - drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, - sizes->fb_width, sizes->fb_height); - - info->fix.mmio_start = pci_resource_start(dev->pdev, 0); - info->fix.mmio_len = pci_resource_len(dev->pdev, 0); - - info->pixmap.size = 64 * 1024; - info->pixmap.buf_align = 8; - info->pixmap.access_align = 32; - info->pixmap.flags = FB_PIXMAP_SYSTEM; - info->pixmap.scan_align = 1; - - dev_info(dev->dev, "allocated %dx%d fb\n", - psbfb->base.width, psbfb->base.height); - - mutex_unlock(&dev->struct_mutex); - return 0; -out_unref: - if (backing->stolen) - psb_gtt_free_range(dev, backing); - else { - if (psbfb->vm_map) - vm_unmap_ram(info->screen_base, backing->npage); - drm_gem_object_unreference(&backing->gem); - } -out_err1: - mutex_unlock(&dev->struct_mutex); - psb_gtt_free_range(dev, backing); - return ret; -} - -/** - * psb_user_framebuffer_create - create framebuffer - * @dev: our DRM device - * @filp: client file - * @cmd: mode request - * - * Create a new framebuffer backed by a userspace GEM object - */ -static struct drm_framebuffer *psb_user_framebuffer_create - (struct drm_device *dev, struct drm_file *filp, - struct drm_mode_fb_cmd *cmd) -{ - struct gtt_range *r; - struct drm_gem_object *obj; - - /* - * Find the GEM object and thus the gtt range object that is - * to back this space - */ - obj = drm_gem_object_lookup(dev, filp, cmd->handle); - if (obj == NULL) - return ERR_PTR(-ENOENT); - - /* Let the core code do all the work */ - r = container_of(obj, struct gtt_range, gem); - return psb_framebuffer_create(dev, cmd, r); -} - -static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, - u16 blue, int regno) -{ -} - -static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, - u16 *green, u16 *blue, int regno) -{ -} - -static int psbfb_probe(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) -{ - struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; - int new_fb = 0; - int ret; - - if (!helper->fb) { - ret = psbfb_create(psb_fbdev, sizes); - if (ret) - return ret; - new_fb = 1; - } - return new_fb; -} - -struct drm_fb_helper_funcs psb_fb_helper_funcs = { - .gamma_set = psbfb_gamma_set, - .gamma_get = psbfb_gamma_get, - .fb_probe = psbfb_probe, -}; - -int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) -{ - struct fb_info *info; - struct psb_framebuffer *psbfb = &fbdev->pfb; - - if (fbdev->psb_fb_helper.fbdev) { - info = fbdev->psb_fb_helper.fbdev; - - /* If this is our base framebuffer then kill any virtual map - for the framebuffer layer and unpin it */ - if (psbfb->vm_map) { - vm_unmap_ram(info->screen_base, psbfb->gtt->npage); - psb_gtt_unpin(psbfb->gtt); - } - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } - drm_fb_helper_fini(&fbdev->psb_fb_helper); - drm_framebuffer_cleanup(&psbfb->base); - - if (psbfb->gtt) - drm_gem_object_unreference(&psbfb->gtt->gem); - return 0; -} - -int psb_fbdev_init(struct drm_device *dev) -{ - struct psb_fbdev *fbdev; - struct drm_psb_private *dev_priv = dev->dev_private; - - fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); - if (!fbdev) { - dev_err(dev->dev, "no memory\n"); - return -ENOMEM; - } - - dev_priv->fbdev = fbdev; - fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; - - drm_fb_helper_init(dev, &fbdev->psb_fb_helper, 2, - INTELFB_CONN_LIMIT); - - drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); - drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); - return 0; -} - -void psb_fbdev_fini(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!dev_priv->fbdev) - return; - - psb_fbdev_destroy(dev, dev_priv->fbdev); - kfree(dev_priv->fbdev); - dev_priv->fbdev = NULL; -} - -static void psbfb_output_poll_changed(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; - drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); -} - -/** - * psb_user_framebuffer_create_handle - add hamdle to a framebuffer - * @fb: framebuffer - * @file_priv: our DRM file - * @handle: returned handle - * - * Our framebuffer object is a GTT range which also contains a GEM - * object. We need to turn it into a handle for userspace. GEM will do - * the work for us - */ -static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int *handle) -{ - struct psb_framebuffer *psbfb = to_psb_fb(fb); - struct gtt_range *r = psbfb->gtt; - return drm_gem_handle_create(file_priv, &r->gem, handle); -} - -/** - * psb_user_framebuffer_destroy - destruct user created fb - * @fb: framebuffer - * - * User framebuffers are backed by GEM objects so all we have to do is - * clean up a bit and drop the reference, GEM will handle the fallout - */ -static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) -{ - struct psb_framebuffer *psbfb = to_psb_fb(fb); - struct gtt_range *r = psbfb->gtt; - struct drm_device *dev = fb->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_fbdev *fbdev = dev_priv->fbdev; - struct drm_crtc *crtc; - int reset = 0; - - /* Should never get stolen memory for a user fb */ - WARN_ON(r->stolen); - - /* Check if we are erroneously live */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - if (crtc->fb == fb) - reset = 1; - - if (reset) - /* - * Now force a sane response before we permit the DRM CRTC - * layer to do stupid things like blank the display. Instead - * we reset this framebuffer as if the user had forced a reset. - * We must do this before the cleanup so that the DRM layer - * doesn't get a chance to stick its oar in where it isn't - * wanted. - */ - drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper); - - /* Let DRM do its clean up */ - drm_framebuffer_cleanup(fb); - /* We are no longer using the resource in GEM */ - drm_gem_object_unreference_unlocked(&r->gem); - kfree(fb); -} - -static const struct drm_mode_config_funcs psb_mode_funcs = { - .fb_create = psb_user_framebuffer_create, - .output_poll_changed = psbfb_output_poll_changed, -}; - -static int psb_create_backlight_property(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_property *backlight; - - if (dev_priv->backlight_property) - return 0; - - backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE, - "backlight", 2); - backlight->values[0] = 0; - backlight->values[1] = 100; - - dev_priv->backlight_property = backlight; - - return 0; -} - -static void psb_setup_outputs(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_connector *connector; - - drm_mode_create_scaling_mode_property(dev); - psb_create_backlight_property(dev); - - dev_priv->ops->output_init(dev); - - list_for_each_entry(connector, &dev->mode_config.connector_list, - head) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct drm_encoder *encoder = &psb_intel_output->enc; - int crtc_mask = 0, clone_mask = 0; - - /* valid crtcs */ - switch (psb_intel_output->type) { - case INTEL_OUTPUT_SDVO: - crtc_mask = ((1 << 0) | (1 << 1)); - clone_mask = (1 << INTEL_OUTPUT_SDVO); - break; - case INTEL_OUTPUT_LVDS: - if (IS_MRST(dev)) - crtc_mask = (1 << 0); - else - crtc_mask = (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_LVDS); - break; - case INTEL_OUTPUT_MIPI: - crtc_mask = (1 << 0); - clone_mask = (1 << INTEL_OUTPUT_MIPI); - break; - case INTEL_OUTPUT_MIPI2: - crtc_mask = (1 << 2); - clone_mask = (1 << INTEL_OUTPUT_MIPI2); - break; - case INTEL_OUTPUT_HDMI: - crtc_mask = (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_HDMI); - break; - } - encoder->possible_crtcs = crtc_mask; - encoder->possible_clones = - psb_intel_connector_clones(dev, clone_mask); - } -} - -void psb_modeset_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; - int i; - - drm_mode_config_init(dev); - - dev->mode_config.min_width = 0; - dev->mode_config.min_height = 0; - - dev->mode_config.funcs = (void *) &psb_mode_funcs; - - /* set memory base */ - /* MRST and PSB should use BAR 2*/ - pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) - &(dev->mode_config.fb_base)); - - /* num pipes is 2 for PSB but 1 for Mrst */ - for (i = 0; i < dev_priv->num_pipe; i++) - psb_intel_crtc_init(dev, i, mode_dev); - - dev->mode_config.max_width = 2048; - dev->mode_config.max_height = 2048; - - psb_setup_outputs(dev); -} - -void psb_modeset_cleanup(struct drm_device *dev) -{ - mutex_lock(&dev->struct_mutex); - - drm_kms_helper_poll_fini(dev); - psb_fbdev_fini(dev); - drm_mode_config_cleanup(dev); - - mutex_unlock(&dev->struct_mutex); -} diff --git a/drivers/staging/gma500/psb_fb.h b/drivers/staging/gma500/psb_fb.h deleted file mode 100644 index ed6e856d3e1b..000000000000 --- a/drivers/staging/gma500/psb_fb.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (c) 2008-2011, Intel Corporation - * - * 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. - * - * Authors: - * Eric Anholt - * - */ - -#ifndef _PSB_FB_H_ -#define _PSB_FB_H_ - -#include -#include -#include - -#include "psb_drv.h" - -struct psb_framebuffer { - struct drm_framebuffer base; - struct address_space *addr_space; - struct fb_info *fbdev; - struct gtt_range *gtt; - bool vm_map; /* True if we must undo a vm_map_ram */ -}; - -struct psb_fbdev { - struct drm_fb_helper psb_fb_helper; - struct psb_framebuffer pfb; -}; - -#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base) - -extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask); - -#endif - diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c index 6792d0c88b57..afd49a752151 100644 --- a/drivers/staging/gma500/psb_intel_display.c +++ b/drivers/staging/gma500/psb_intel_display.c @@ -22,7 +22,7 @@ #include #include -#include "psb_fb.h" +#include "framebuffer.h" #include "psb_drv.h" #include "psb_intel_drv.h" #include "psb_intel_reg.h"