diff options
Diffstat (limited to 'drivers/gpu/drm/exynos')
20 files changed, 1982 insertions, 458 deletions
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 3343ac437fe5..7f5096763b7d 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -10,6 +10,12 @@ config DRM_EXYNOS Choose this option if you have a Samsung SoC EXYNOS chipset. If M is selected the module will be called exynosdrm. +config DRM_EXYNOS_DMABUF + bool "EXYNOS DRM DMABUF" + depends on DRM_EXYNOS + help + Choose this option if you want to use DMABUF feature for DRM. + config DRM_EXYNOS_FIMD bool "Exynos DRM FIMD" depends on DRM_EXYNOS && !FB_S3C @@ -27,3 +33,9 @@ config DRM_EXYNOS_VIDI depends on DRM_EXYNOS help Choose this option if you want to use Exynos VIDI for DRM. + +config DRM_EXYNOS_G2D + bool "Exynos DRM G2D" + depends on DRM_EXYNOS + help + Choose this option if you want to use Exynos G2D for DRM. diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile index 9e0bff8badf9..eb651ca8e2a8 100644 --- a/drivers/gpu/drm/exynos/Makefile +++ b/drivers/gpu/drm/exynos/Makefile @@ -8,10 +8,12 @@ exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o exynos_drm_connector.o \ exynos_drm_buf.o exynos_drm_gem.o exynos_drm_core.o \ exynos_drm_plane.o +exynosdrm-$(CONFIG_DRM_EXYNOS_DMABUF) += exynos_drm_dmabuf.o exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o \ exynos_ddc.o exynos_hdmiphy.o \ exynos_drm_hdmi.o exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o +exynosdrm-$(CONFIG_DRM_EXYNOS_G2D) += exynos_drm_g2d.o obj-$(CONFIG_DRM_EXYNOS) += exynosdrm.o diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c index de8d2090bce3..b3cb0a69fbf2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c @@ -35,7 +35,7 @@ static int lowlevel_buffer_allocate(struct drm_device *dev, unsigned int flags, struct exynos_drm_gem_buf *buf) { dma_addr_t start_addr; - unsigned int npages, page_size, i = 0; + unsigned int npages, i = 0; struct scatterlist *sgl; int ret = 0; @@ -53,13 +53,13 @@ static int lowlevel_buffer_allocate(struct drm_device *dev, if (buf->size >= SZ_1M) { npages = buf->size >> SECTION_SHIFT; - page_size = SECTION_SIZE; + buf->page_size = SECTION_SIZE; } else if (buf->size >= SZ_64K) { npages = buf->size >> 16; - page_size = SZ_64K; + buf->page_size = SZ_64K; } else { npages = buf->size >> PAGE_SHIFT; - page_size = PAGE_SIZE; + buf->page_size = PAGE_SIZE; } buf->sgt = kzalloc(sizeof(struct sg_table), GFP_KERNEL); @@ -96,9 +96,9 @@ static int lowlevel_buffer_allocate(struct drm_device *dev, while (i < npages) { buf->pages[i] = phys_to_page(start_addr); - sg_set_page(sgl, buf->pages[i], page_size, 0); + sg_set_page(sgl, buf->pages[i], buf->page_size, 0); sg_dma_address(sgl) = start_addr; - start_addr += page_size; + start_addr += buf->page_size; sgl = sg_next(sgl); i++; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 3486ffed0bf0..4afb625128d7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -105,6 +105,8 @@ int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, overlay->fb_y = pos->fb_y; overlay->fb_width = fb->width; overlay->fb_height = fb->height; + overlay->src_width = pos->src_w; + overlay->src_height = pos->src_h; overlay->bpp = fb->bits_per_pixel; overlay->pitch = fb->pitches[0]; overlay->pixel_format = fb->pixel_format; @@ -153,6 +155,8 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc) pos.crtc_y = 0; pos.crtc_w = fb->width - crtc->x; pos.crtc_h = fb->height - crtc->y; + pos.src_w = pos.crtc_w; + pos.src_h = pos.crtc_h; return exynos_drm_overlay_update(overlay, crtc->fb, mode, &pos); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h index 25f72a62cb88..16b8e2195a0d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h @@ -42,6 +42,8 @@ void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); * - the unit is screen coordinates. * @fb_y: offset y on a framebuffer to be displayed * - the unit is screen coordinates. + * @src_w: width of source area to be displayed from a framebuffer. + * @src_h: height of source area to be displayed from a framebuffer. * @crtc_x: offset x on hardware screen. * @crtc_y: offset y on hardware screen. * @crtc_w: width of hardware screen. @@ -50,6 +52,8 @@ void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); struct exynos_drm_crtc_pos { unsigned int fb_x; unsigned int fb_y; + unsigned int src_w; + unsigned int src_h; unsigned int crtc_x; unsigned int crtc_y; unsigned int crtc_w; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c new file mode 100644 index 000000000000..274909271c36 --- /dev/null +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -0,0 +1,272 @@ +/* exynos_drm_dmabuf.c + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * Author: Inki Dae <inki.dae@samsung.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include "drm.h" +#include "exynos_drm_drv.h" +#include "exynos_drm_gem.h" + +#include <linux/dma-buf.h> + +static struct sg_table *exynos_pages_to_sg(struct page **pages, int nr_pages, + unsigned int page_size) +{ + struct sg_table *sgt = NULL; + struct scatterlist *sgl; + int i, ret; + + sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); + if (!sgt) + goto out; + + ret = sg_alloc_table(sgt, nr_pages, GFP_KERNEL); + if (ret) + goto err_free_sgt; + + if (page_size < PAGE_SIZE) + page_size = PAGE_SIZE; + + for_each_sg(sgt->sgl, sgl, nr_pages, i) + sg_set_page(sgl, pages[i], page_size, 0); + + return sgt; + +err_free_sgt: + kfree(sgt); + sgt = NULL; +out: + return NULL; +} + +static struct sg_table * + exynos_gem_map_dma_buf(struct dma_buf_attachment *attach, + enum dma_data_direction dir) +{ + struct exynos_drm_gem_obj *gem_obj = attach->dmabuf->priv; + struct drm_device *dev = gem_obj->base.dev; + struct exynos_drm_gem_buf *buf; + struct sg_table *sgt = NULL; + unsigned int npages; + int nents; + + DRM_DEBUG_PRIME("%s\n", __FILE__); + + mutex_lock(&dev->struct_mutex); + + buf = gem_obj->buffer; + + /* there should always be pages allocated. */ + if (!buf->pages) { + DRM_ERROR("pages is null.\n"); + goto err_unlock; + } + + npages = buf->size / buf->page_size; + + sgt = exynos_pages_to_sg(buf->pages, npages, buf->page_size); + nents = dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir); + + DRM_DEBUG_PRIME("npages = %d buffer size = 0x%lx page_size = 0x%lx\n", + npages, buf->size, buf->page_size); + +err_unlock: + mutex_unlock(&dev->struct_mutex); + return sgt; +} + +static void exynos_gem_unmap_dma_buf(struct dma_buf_attachment *attach, + struct sg_table *sgt, + enum dma_data_direction dir) +{ + dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir); + sg_free_table(sgt); + kfree(sgt); + sgt = NULL; +} + +static void exynos_dmabuf_release(struct dma_buf *dmabuf) +{ + struct exynos_drm_gem_obj *exynos_gem_obj = dmabuf->priv; + + DRM_DEBUG_PRIME("%s\n", __FILE__); + + /* + * exynos_dmabuf_release() call means that file object's + * f_count is 0 and it calls drm_gem_object_handle_unreference() + * to drop the references that these values had been increased + * at drm_prime_handle_to_fd() + */ + if (exynos_gem_obj->base.export_dma_buf == dmabuf) { + exynos_gem_obj->base.export_dma_buf = NULL; + + /* + * drop this gem object refcount to release allocated buffer + * and resources. + */ + drm_gem_object_unreference_unlocked(&exynos_gem_obj->base); + } +} + +static void *exynos_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf, + unsigned long page_num) +{ + /* TODO */ + + return NULL; +} + +static void exynos_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf, + unsigned long page_num, + void *addr) +{ + /* TODO */ +} + +static void *exynos_gem_dmabuf_kmap(struct dma_buf *dma_buf, + unsigned long page_num) +{ + /* TODO */ + + return NULL; +} + +static void exynos_gem_dmabuf_kunmap(struct dma_buf *dma_buf, + unsigned long page_num, void *addr) +{ + /* TODO */ +} + +static struct dma_buf_ops exynos_dmabuf_ops = { + .map_dma_buf = exynos_gem_map_dma_buf, + .unmap_dma_buf = exynos_gem_unmap_dma_buf, + .kmap = exynos_gem_dmabuf_kmap, + .kmap_atomic = exynos_gem_dmabuf_kmap_atomic, + .kunmap = exynos_gem_dmabuf_kunmap, + .kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic, + .release = exynos_dmabuf_release, +}; + +struct dma_buf *exynos_dmabuf_prime_export(struct drm_device *drm_dev, + struct drm_gem_object *obj, int flags) +{ + struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); + + return dma_buf_export(exynos_gem_obj, &exynos_dmabuf_ops, + exynos_gem_obj->base.size, 0600); +} + +struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, + struct dma_buf *dma_buf) +{ + struct dma_buf_attachment *attach; + struct sg_table *sgt; + struct scatterlist *sgl; + struct exynos_drm_gem_obj *exynos_gem_obj; + struct exynos_drm_gem_buf *buffer; + struct page *page; + int ret, i = 0; + + DRM_DEBUG_PRIME("%s\n", __FILE__); + + /* is this one of own objects? */ + if (dma_buf->ops == &exynos_dmabuf_ops) { + struct drm_gem_object *obj; + + exynos_gem_obj = dma_buf->priv; + obj = &exynos_gem_obj->base; + + /* is it from our device? */ + if (obj->dev == drm_dev) { + drm_gem_object_reference(obj); + return obj; + } + } + + attach = dma_buf_attach(dma_buf, drm_dev->dev); + if (IS_ERR(attach)) + return ERR_PTR(-EINVAL); + + + sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); + if (IS_ERR(sgt)) { + ret = PTR_ERR(sgt); + goto err_buf_detach; + } + + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); + if (!buffer) { + DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); + ret = -ENOMEM; + goto err_unmap_attach; + } + + buffer->pages = kzalloc(sizeof(*page) * sgt->nents, GFP_KERNEL); + if (!buffer->pages) { + DRM_ERROR("failed to allocate pages.\n"); + ret = -ENOMEM; + goto err_free_buffer; + } + + exynos_gem_obj = exynos_drm_gem_init(drm_dev, dma_buf->size); + if (!exynos_gem_obj) { + ret = -ENOMEM; + goto err_free_pages; + } + + sgl = sgt->sgl; + buffer->dma_addr = sg_dma_address(sgl); + + while (i < sgt->nents) { + buffer->pages[i] = sg_page(sgl); + buffer->size += sg_dma_len(sgl); + sgl = sg_next(sgl); + i++; + } + + exynos_gem_obj->buffer = buffer; + buffer->sgt = sgt; + exynos_gem_obj->base.import_attach = attach; + + DRM_DEBUG_PRIME("dma_addr = 0x%x, size = 0x%lx\n", buffer->dma_addr, + buffer->size); + + return &exynos_gem_obj->base; + +err_free_pages: + kfree(buffer->pages); + buffer->pages = NULL; +err_free_buffer: + kfree(buffer); + buffer = NULL; +err_unmap_attach: + dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL); +err_buf_detach: + dma_buf_detach(dma_buf, attach); + return ERR_PTR(ret); +} + +MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); +MODULE_DESCRIPTION("Samsung SoC DRM DMABUF Module"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.h b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.h new file mode 100644 index 000000000000..662a8f98ccdb --- /dev/null +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.h @@ -0,0 +1,39 @@ +/* exynos_drm_dmabuf.h + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * Author: Inki Dae <inki.dae@samsung.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _EXYNOS_DRM_DMABUF_H_ +#define _EXYNOS_DRM_DMABUF_H_ + +#ifdef CONFIG_DRM_EXYNOS_DMABUF +struct dma_buf *exynos_dmabuf_prime_export(struct drm_device *drm_dev, + struct drm_gem_object *obj, int flags); + +struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, + struct dma_buf *dma_buf); +#else +#define exynos_dmabuf_prime_export NULL +#define exynos_dmabuf_prime_import NULL +#endif +#endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index a6819b5f8428..420953197d0a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -39,6 +39,8 @@ #include "exynos_drm_gem.h" #include "exynos_drm_plane.h" #include "exynos_drm_vidi.h" +#include "exynos_drm_dmabuf.h" +#include "exynos_drm_g2d.h" #define DRIVER_NAME "exynos" #define DRIVER_DESC "Samsung SoC DRM" @@ -147,8 +149,17 @@ static int exynos_drm_unload(struct drm_device *dev) static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) { + struct drm_exynos_file_private *file_priv; + DRM_DEBUG_DRIVER("%s\n", __FILE__); + file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); + if (!file_priv) + return -ENOMEM; + + drm_prime_init_file_private(&file->prime); + file->driver_priv = file_priv; + return exynos_drm_subdrv_open(dev, file); } @@ -170,6 +181,7 @@ static void exynos_drm_preclose(struct drm_device *dev, e->base.destroy(&e->base); } } + drm_prime_destroy_file_private(&file->prime); spin_unlock_irqrestore(&dev->event_lock, flags); exynos_drm_subdrv_close(dev, file); @@ -193,7 +205,7 @@ static void exynos_drm_lastclose(struct drm_device *dev) exynos_drm_fbdev_restore_mode(dev); } -static struct vm_operations_struct exynos_drm_gem_vm_ops = { +static const struct vm_operations_struct exynos_drm_gem_vm_ops = { .fault = exynos_drm_gem_fault, .open = drm_gem_vm_open, .close = drm_gem_vm_close, @@ -207,10 +219,18 @@ static struct drm_ioctl_desc exynos_ioctls[] = { DRM_AUTH), DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP, exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED | DRM_AUTH), + DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, + exynos_drm_gem_get_ioctl, DRM_UNLOCKED), DRM_IOCTL_DEF_DRV(EXYNOS_PLANE_SET_ZPOS, exynos_plane_set_zpos_ioctl, DRM_UNLOCKED | DRM_AUTH), DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH), + DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, + exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH), + DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, + exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH), + DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, + exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH), }; static const struct file_operations exynos_drm_driver_fops = { @@ -225,7 +245,7 @@ static const struct file_operations exynos_drm_driver_fops = { static struct drm_driver exynos_drm_driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_BUS_PLATFORM | - DRIVER_MODESET | DRIVER_GEM, + DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, .load = exynos_drm_load, .unload = exynos_drm_unload, .open = exynos_drm_open, @@ -241,6 +261,10 @@ static struct drm_driver exynos_drm_driver = { .dumb_create = exynos_drm_gem_dumb_create, .dumb_map_offset = exynos_drm_gem_dumb_map_offset, .dumb_destroy = exynos_drm_gem_dumb_destroy, + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_export = exynos_dmabuf_prime_export, + .gem_prime_import = exynos_dmabuf_prime_import, .ioctls = exynos_ioctls, .fops = &exynos_drm_driver_fops, .name = DRIVER_NAME, @@ -307,6 +331,12 @@ static int __init exynos_drm_init(void) goto out_vidi; #endif +#ifdef CONFIG_DRM_EXYNOS_G2D + ret = platform_driver_register(&g2d_driver); + if (ret < 0) + goto out_g2d; +#endif + ret = platform_driver_register(&exynos_drm_platform_driver); if (ret < 0) goto out; @@ -314,6 +344,11 @@ static int __init exynos_drm_init(void) return 0; out: +#ifdef CONFIG_DRM_EXYNOS_G2D + platform_driver_unregister(&g2d_driver); +out_g2d: +#endif + #ifdef CONFIG_DRM_EXYNOS_VIDI out_vidi: platform_driver_unregister(&vidi_driver); @@ -341,6 +376,10 @@ static void __exit exynos_drm_exit(void) platform_driver_unregister(&exynos_drm_platform_driver); +#ifdef CONFIG_DRM_EXYNOS_G2D + platform_driver_unregister(&g2d_driver); +#endif + #ifdef CONFIG_DRM_EXYNOS_HDMI platform_driver_unregister(&exynos_drm_common_hdmi_driver); platform_driver_unregister(&mixer_driver); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 1d814175cd49..c82c90c443e7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -77,6 +77,8 @@ struct exynos_drm_overlay_ops { * - the unit is screen coordinates. * @fb_width: width of a framebuffer. * @fb_height: height of a framebuffer. + * @src_width: width of a partial image to be displayed from framebuffer. + * @src_height: height of a partial image to be displayed from framebuffer. * @crtc_x: offset x on hardware screen. * @crtc_y: offset y on hardware screen. * @crtc_width: window width to be displayed (hardware screen). @@ -108,6 +110,8 @@ struct exynos_drm_overlay { unsigned int fb_y; unsigned int fb_width; unsigned int fb_height; + unsigned int src_width; + unsigned int src_height; unsigned int crtc_x; unsigned int crtc_y; unsigned int crtc_width; @@ -205,6 +209,18 @@ struct exynos_drm_manager { struct exynos_drm_display_ops *display_ops; }; +struct exynos_drm_g2d_private { + struct device *dev; + struct list_head inuse_cmdlist; + struct list_head event_list; + struct list_head gem_list; + unsigned int gem_nr; +}; + +struct drm_exynos_file_private { + struct exynos_drm_g2d_private *g2d_priv; +}; + /* * Exynos drm private structure. */ @@ -287,4 +303,5 @@ extern struct platform_driver hdmi_driver; extern struct platform_driver mixer_driver; extern struct platform_driver exynos_drm_common_hdmi_driver; extern struct platform_driver vidi_driver; +extern struct platform_driver g2d_driver; #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index c38c8f468fa3..f82a299553fb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -191,7 +191,7 @@ static void exynos_drm_output_poll_changed(struct drm_device *dev) drm_fb_helper_hotplug_event(fb_helper); } -static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { +static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { .fb_create = exynos_user_fb_create, .output_poll_changed = exynos_drm_output_poll_changed, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c new file mode 100644 index 000000000000..d2d88f22a037 --- /dev/null +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -0,0 +1,937 @@ +/* + * Copyright (C) 2012 Samsung Electronics Co.Ltd + * Authors: Joonyoung Shim <jy0922.shim@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundationr + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <linux/workqueue.h> + +#include "drmP.h" +#include "exynos_drm.h" +#include "exynos_drm_drv.h" +#include "exynos_drm_gem.h" + +#define G2D_HW_MAJOR_VER 4 +#define G2D_HW_MINOR_VER 1 + +/* vaild register range set from user: 0x0104 ~ 0x0880 */ +#define G2D_VALID_START 0x0104 +#define G2D_VALID_END 0x0880 + +/* general registers */ +#define G2D_SOFT_RESET 0x0000 +#define G2D_INTEN 0x0004 +#define G2D_INTC_PEND 0x000C +#define G2D_DMA_SFR_BASE_ADDR 0x0080 +#define G2D_DMA_COMMAND 0x0084 +#define G2D_DMA_STATUS 0x008C +#define G2D_DMA_HOLD_CMD 0x0090 + +/* command registers */ +#define G2D_BITBLT_START 0x0100 + +/* registers for base address */ +#define G2D_SRC_BASE_ADDR 0x0304 +#define G2D_SRC_PLANE2_BASE_ADDR 0x0318 +#define G2D_DST_BASE_ADDR 0x0404 +#define G2D_DST_PLANE2_BASE_ADDR 0x0418 +#define G2D_PAT_BASE_ADDR 0x0500 +#define G2D_MSK_BASE_ADDR 0x0520 + +/* G2D_SOFT_RESET */ +#define G2D_SFRCLEAR (1 << 1) +#define G2D_R (1 << 0) + +/* G2D_INTEN */ +#define G2D_INTEN_ACF (1 << 3) +#define G2D_INTEN_UCF (1 << 2) +#define G2D_INTEN_GCF (1 << 1) +#define G2D_INTEN_SCF (1 << 0) + +/* G2D_INTC_PEND */ +#define G2D_INTP_ACMD_FIN (1 << 3) +#define G2D_INTP_UCMD_FIN (1 << 2) +#define G2D_INTP_GCMD_FIN (1 << 1) +#define G2D_INTP_SCMD_FIN (1 << 0) + +/* G2D_DMA_COMMAND */ +#define G2D_DMA_HALT (1 << 2) +#define G2D_DMA_CONTINUE (1 << 1) +#define G2D_DMA_START (1 << 0) + +/* G2D_DMA_STATUS */ +#define G2D_DMA_LIST_DONE_COUNT (0xFF << 17) +#define G2D_DMA_BITBLT_DONE_COUNT (0xFFFF << 1) +#define G2D_DMA_DONE (1 << 0) +#define G2D_DMA_LIST_DONE_COUNT_OFFSET 17 + +/* G2D_DMA_HOLD_CMD */ +#define G2D_USET_HOLD (1 << 2) +#define G2D_LIST_HOLD (1 << 1) +#define G2D_BITBLT_HOLD (1 << 0) + +/* G2D_BITBLT_START */ +#define G2D_START_CASESEL (1 << 2) +#define G2D_START_NHOLT (1 << 1) +#define G2D_START_BITBLT (1 << 0) + +#define G2D_CMDLIST_SIZE (PAGE_SIZE / 4) +#define G2D_CMDLIST_NUM 64 +#define G2D_CMDLIST_POOL_SIZE (G2D_CMDLIST_SIZE * G2D_CMDLIST_NUM) +#define G2D_CMDLIST_DATA_NUM (G2D_CMDLIST_SIZE / sizeof(u32) - 2) + +/* cmdlist data structure */ +struct g2d_cmdlist { + u32 head; + u32 data[G2D_CMDLIST_DATA_NUM]; + u32 last; /* last data offset */ +}; + +struct drm_exynos_pending_g2d_event { + struct drm_pending_event base; + struct drm_exynos_g2d_event event; +}; + +struct g2d_gem_node { + struct list_head list; + unsigned int handle; +}; + +struct g2d_cmdlist_node { + struct list_head list; + struct g2d_cmdlist *cmdlist; + unsigned int gem_nr; + dma_addr_t dma_addr; + + struct drm_exynos_pending_g2d_event *event; +}; + +struct g2d_runqueue_node { + struct list_head list; + struct list_head run_cmdlist; + struct list_head event_list; + struct completion complete; + int async; +}; + +struct g2d_data { + struct device *dev; + struct clk *gate_clk; + struct resource *regs_res; + void __iomem *regs; + int irq; + struct workqueue_struct *g2d_workq; + struct work_struct runqueue_work; + struct exynos_drm_subdrv subdrv; + bool suspended; + + /* cmdlist */ + struct g2d_cmdlist_node *cmdlist_node; + struct list_head free_cmdlist; + struct mutex cmdlist_mutex; + dma_addr_t cmdlist_pool; + void *cmdlist_pool_virt; + + /* runqueue*/ + struct g2d_runqueue_node *runqueue_node; + struct list_head runqueue; + struct mutex runqueue_mutex; + struct kmem_cache *runqueue_slab; +}; + +static int g2d_init_cmdlist(struct g2d_data *g2d) +{ + struct device *dev = g2d->dev; + struct g2d_cmdlist_node *node = g2d->cmdlist_node; + int nr; + int ret; + + g2d->cmdlist_pool_virt = dma_alloc_coherent(dev, G2D_CMDLIST_POOL_SIZE, + &g2d->cmdlist_pool, GFP_KERNEL); + if (!g2d->cmdlist_pool_virt) { + dev_err(dev, "failed to allocate dma memory\n"); + return -ENOMEM; + } + + node = kcalloc(G2D_CMDLIST_NUM, G2D_CMDLIST_NUM * sizeof(*node), + GFP_KERNEL); + if (!node) { + dev_err(dev, "failed to allocate memory\n"); + ret = -ENOMEM; + goto err; + } + + for (nr = 0; nr < G2D_CMDLIST_NUM; nr++) { + node[nr].cmdlist = + g2d->cmdlist_pool_virt + nr * G2D_CMDLIST_SIZE; + node[nr].dma_addr = + g2d->cmdlist_pool + nr * G2D_CMDLIST_SIZE; + + list_add_tail(&node[nr].list, &g2d->free_cmdlist); + } + + return 0; + +err: + dma_free_coherent(dev, G2D_CMDLIST_POOL_SIZE, g2d->cmdlist_pool_virt, + g2d->cmdlist_pool); + return ret; +} + +static void g2d_fini_cmdlist(struct g2d_data *g2d) +{ + struct device *dev = g2d->dev; + + kfree(g2d->cmdlist_node); + dma_free_coherent(dev, G2D_CMDLIST_POOL_SIZE, g2d->cmdlist_pool_virt, + g2d->cmdlist_pool); +} + +static struct g2d_cmdlist_node *g2d_get_cmdlist(struct g2d_data *g2d) +{ + struct device *dev = g2d->dev; + struct g2d_cmdlist_node *node; + + mutex_lock(&g2d->cmdlist_mutex); + if (list_empty(&g2d->free_cmdlist)) { + dev_err(dev, "there is no free cmdlist\n"); + mutex_unlock(&g2d->cmdlist_mutex); + return NULL; + } + + node = list_first_entry(&g2d->free_cmdlist, struct g2d_cmdlist_node, + list); + list_del_init(&node->list); + mutex_unlock(&g2d->cmdlist_mutex); + + return node; +} + +static void g2d_put_cmdlist(struct g2d_data *g2d, struct g2d_cmdlist_node *node) +{ + mutex_lock(&g2d->cmdlist_mutex); + list_move_tail(&node->list, &g2d->free_cmdlist); + mutex_unlock(&g2d->cmdlist_mutex); +} + +static void g2d_add_cmdlist_to_inuse(struct exynos_drm_g2d_private *g2d_priv, + struct g2d_cmdlist_node *node) +{ + struct g2d_cmdlist_node *lnode; + + if (list_empty(&g2d_priv->inuse_cmdlist)) + goto add_to_list; + + /* this links to base address of new cmdlist */ + lnode = list_entry(g2d_priv->inuse_cmdlist.prev, + struct g2d_cmdlist_node, list); + lnode->cmdlist->data[lnode->cmdlist->last] = node->dma_addr; + +add_to_list: + list_add_tail(&node->list, &g2d_priv->inuse_cmdlist); + + if (node->event) + list_add_tail(&node->event->base.link, &g2d_priv->event_list); +} + +static int g2d_get_cmdlist_gem(struct drm_device *drm_dev, + struct drm_file *file, + struct g2d_cmdlist_node *node) +{ + struct drm_exynos_file_private *file_priv = file->driver_priv; + struct exynos_drm_g2d_private *g2d_priv = file_priv->g2d_priv; + struct g2d_cmdlist *cmdlist = node->cmdlist; + dma_addr_t *addr; + int offset; + int i; + + for (i = 0; i < node->gem_nr; i++) { + struct g2d_gem_node *gem_node; + + gem_node = kzalloc(sizeof(*gem_node), GFP_KERNEL); + if (!gem_node) { + dev_err(g2d_priv->dev, "failed to allocate gem node\n"); + return -ENOMEM; + } + + offset = cmdlist->last - (i * 2 + 1); + gem_node->handle = cmdlist->data[offset]; + + addr = exynos_drm_gem_get_dma_addr(drm_dev, gem_node->handle, + file); + if (IS_ERR(addr)) { + node->gem_nr = i; + kfree(gem_node); + return PTR_ERR(addr); + } + + cmdlist->data[offset] = *addr; + list_add_tail(&gem_node->list, &g2d_priv->gem_list); + g2d_priv->gem_nr++; + } + + return 0; +} + +static void g2d_put_cmdlist_gem(struct drm_device *drm_dev, + struct drm_file *file, + unsigned int nr) +{ + struct drm_exynos_file_private *file_priv = file->driver_priv; + struct exynos_drm_g2d_private *g2d_priv = file_priv->g2d_priv; + struct g2d_gem_node *node, *n; + + list_for_each_entry_safe_reverse(node, n, &g2d_priv->gem_list, list) { + if (!nr) + break; + + exynos_drm_gem_put_dma_addr(drm_dev, node->handle, file); + list_del_init(&node->list); + kfree(node); + nr--; + } +} + +static void g2d_dma_start(struct g2d_data *g2d, + struct g2d_runqueue_node *runqueue_node) +{ + struct g2d_cmdlist_node *node = + list_first_entry(&runqueue_node->run_cmdlist, + struct g2d_cmdlist_node, list); + + pm_runtime_get_sync(g2d->dev); + clk_enable(g2d->gate_clk); + + /* interrupt enable */ + writel_relaxed(G2D_INTEN_ACF | G2D_INTEN_UCF | G2D_INTEN_GCF, + g2d->regs + G2D_INTEN); + + writel_relaxed(node->dma_addr, g2d->regs + G2D_DMA_SFR_BASE_ADDR); + writel_relaxed(G2D_DMA_START, g2d->regs + G2D_DMA_COMMAND); +} + +static struct g2d_runqueue_node *g2d_get_runqueue_node(struct g2d_data *g2d) +{ + struct g2d_runqueue_node *runqueue_node; + + if (list_empty(&g2d->runqueue)) + return NULL; + + runqueue_node = list_first_entry(&g2d->runqueue, + struct g2d_runqueue_node, list); + list_del_init(&runqueue_node->list); + return runqueue_node; +} + +static void g2d_free_runqueue_node(struct g2d_data *g2d, + struct g2d_runqueue_node *runqueue_node) +{ + if (!runqueue_node) + return; + + mutex_lock(&g2d->cmdlist_mutex); + list_splice_tail_init(&runqueue_node->run_cmdlist, &g2d->free_cmdlist); + mutex_unlock(&g2d->cmdlist_mutex); + + kmem_cache_free(g2d->runqueue_slab, runqueue_node); +} + +static void g2d_exec_runqueue(struct g2d_data *g2d) +{ + g2d->runqueue_node = g2d_get_runqueue_node(g2d); + if (g2d->runqueue_node) + g2d_dma_start(g2d, g2d->runqueue_node); +} + +static void g2d_runqueue_worker(struct work_struct *work) +{ + struct g2d_data *g2d = container_of(work, struct g2d_data, + runqueue_work); + + + mutex_lock(&g2d->runqueue_mutex); + clk_disable(g2d->gate_clk); + pm_runtime_put_sync(g2d->dev); + + complete(&g2d->runqueue_node->complete); + if (g2d->runqueue_node->async) + g2d_free_runqueue_node(g2d, g2d->runqueue_node); + + if (g2d->suspended) + g2d->runqueue_node = NULL; + else + g2d_exec_runqueue(g2d); + mutex_unlock(&g2d->runqueue_mutex); +} + +static void g2d_finish_event(struct g2d_data *g2d, u32 cmdlist_no) +{ + struct drm_device *drm_dev = g2d->subdrv.drm_dev; + struct g2d_runqueue_node *runqueue_node = g2d->runqueue_node; + struct drm_exynos_pending_g2d_event *e; + struct timeval now; + unsigned long flags; + + if (list_empty(&runqueue_node->event_list)) + return; + + e = list_first_entry(&runqueue_node->event_list, + struct drm_exynos_pending_g2d_event, base.link); + + do_gettimeofday(&now); + e->event.tv_sec = now.tv_sec; + e->event.tv_usec = now.tv_usec; + e->event.cmdlist_no = cmdlist_no; + + spin_lock_irqsave(&drm_dev->event_lock, flags); + list_move_tail(&e->base.link, &e->base.file_priv->event_list); + wake_up_interruptible(&e->base.file_priv->event_wait); + spin_unlock_irqrestore(&drm_dev->event_lock, flags); +} + +static irqreturn_t g2d_irq_handler(int irq, void *dev_id) +{ + struct g2d_data *g2d = dev_id; + u32 pending; + + pending = readl_relaxed(g2d->regs + G2D_INTC_PEND); + if (pending) + writel_relaxed(pending, g2d->regs + G2D_INTC_PEND); + + if (pending & G2D_INTP_GCMD_FIN) { + u32 cmdlist_no = readl_relaxed(g2d->regs + G2D_DMA_STATUS); + + cmdlist_no = (cmdlist_no & G2D_DMA_LIST_DONE_COUNT) >> + G2D_DMA_LIST_DONE_COUNT_OFFSET; + + g2d_finish_event(g2d, cmdlist_no); + + writel_relaxed(0, g2d->regs + G2D_DMA_HOLD_CMD); + if (!(pending & G2D_INTP_ACMD_FIN)) { + writel_relaxed(G2D_DMA_CONTINUE, + g2d->regs + G2D_DMA_COMMAND); + } + } + + if (pending & G2D_INTP_ACMD_FIN) + queue_work(g2d->g2d_workq, &g2d->runqueue_work); + + return IRQ_HANDLED; +} + +static int g2d_check_reg_offset(struct device *dev, struct g2d_cmdlist *cmdlist, + int nr, bool for_addr) +{ + int reg_offset; + int index; + int i; + + for (i = 0; i < nr; i++) { + index = cmdlist->last - 2 * (i + 1); + reg_offset = cmdlist->data[index] & ~0xfffff000; + + if (reg_offset < G2D_VALID_START || reg_offset > G2D_VALID_END) + goto err; + if (reg_offset % 4) + goto err; + + switch (reg_offset) { + case G2D_SRC_BASE_ADDR: + case G2D_SRC_PLANE2_BASE_ADDR: + case G2D_DST_BASE_ADDR: + case G2D_DST_PLANE2_BASE_ADDR: + case G2D_PAT_BASE_ADDR: + case G2D_MSK_BASE_ADDR: + if (!for_addr) + goto err; + break; + default: + if (for_addr) + goto err; + break; + } + } + + return 0; + +err: + dev_err(dev, "Bad register offset: 0x%x\n", cmdlist->data[index]); + return -EINVAL; +} + +/* ioctl functions */ +int exynos_g2d_get_ver_ioctl(struct drm_device *drm_dev, void *data, + struct drm_file *file) +{ + struct drm_exynos_g2d_get_ver *ver = data; + + ver->major = G2D_HW_MAJOR_VER; + ver->minor = G2D_HW_MINOR_VER; + + return 0; +} +EXPORT_SYMBOL_GPL(exynos_g2d_get_ver_ioctl); + +int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, + struct drm_file *file) +{ + struct drm_exynos_file_private *file_priv = file->driver_priv; + struct exynos_drm_g2d_private *g2d_priv = file_priv->g2d_priv; + struct device *dev = g2d_priv->dev; + struct g2d_data *g2d; + struct drm_exynos_g2d_set_cmdlist *req = data; + struct drm_exynos_g2d_cmd *cmd; + struct drm_exynos_pending_g2d_event *e; + struct g2d_cmdlist_node *node; + struct g2d_cmdlist *cmdlist; + unsigned long flags; + int size; + int ret; + + if (!dev) + return -ENODEV; + + g2d = dev_get_drvdata(dev); + if (!g2d) + return -EFAULT; + + node = g2d_get_cmdlist(g2d); + if (!node) + return -ENOMEM; + + node->event = NULL; + + if (req->event_type != G2D_EVENT_NOT) { + spin_lock_irqsave(&drm_dev->event_lock, flags); + if (file->event_space < sizeof(e->event)) { + spin_unlock_irqrestore(&drm_dev->event_lock, flags); + ret = -ENOMEM; + goto err; + } + file->event_space -= sizeof(e->event); + spin_unlock_irqrestore(&drm_dev->event_lock, flags); + + e = kzalloc(sizeof(*node->event), GFP_KERNEL); + if (!e) { + dev_err(dev, "failed to allocate event\n"); + + spin_lock_irqsave(&drm_dev->event_lock, flags); + file->event_space += sizeof(e->event); + spin_unlock_irqrestore(&drm_dev->event_lock, flags); + + ret = -ENOMEM; + goto err; + } + + e->event.base.type = DRM_EXYNOS_G2D_EVENT; + e->event.base.length = sizeof(e->event); + e->event.user_data = req->user_data; + e->base.event = &e->event.base; + e->base.file_priv = file; + e->base.destroy = (void (*) (struct drm_pending_event *)) kfree; + + node->event = e; + } + + cmdlist = node->cmdlist; + + cmdlist->last = 0; + + /* + * If don't clear SFR registers, the cmdlist is affected by register + * values of previous cmdlist. G2D hw executes SFR clear command and + * a next command at the same time then the next command is ignored and + * is executed rightly from next next command, so needs a dummy command + * to next command of SFR clear command. + */ + cmdlist->data[cmdlist->last++] = G2D_SOFT_RESET; + cmdlist->data[cmdlist->last++] = G2D_SFRCLEAR; + cmdlist->data[cmdlist->last++] = G2D_SRC_BASE_ADDR; + cmdlist->data[cmdlist->last++] = 0; + + if (node->event) { + cmdlist->data[cmdlist->last++] = G2D_DMA_HOLD_CMD; + cmdlist->data[cmdlist->last++] = G2D_LIST_HOLD; + } + + /* Check size of cmdlist: last 2 is about G2D_BITBLT_START */ + size = cmdlist->last + req->cmd_nr * 2 + req->cmd_gem_nr * 2 + 2; + if (size > G2D_CMDLIST_DATA_NUM) { + dev_err(dev, "cmdlist size is too big\n"); + ret = -EINVAL; + goto err_free_event; + } + + cmd = (struct drm_exynos_g2d_cmd *)(uint32_t)req->cmd; + + if (copy_from_user(cmdlist->data + cmdlist->last, + (void __user *)cmd, + sizeof(*cmd) * req->cmd_nr)) { + ret = -EFAULT; + goto err_free_event; + } + cmdlist->last += req->cmd_nr * 2; + + ret = g2d_check_reg_offset(dev, cmdlist, req->cmd_nr, false); + if (ret < 0) + goto err_free_event; + + node->gem_nr = req->cmd_gem_nr; + if (req->cmd_gem_nr) { + struct drm_exynos_g2d_cmd *cmd_gem; + + cmd_gem = (struct drm_exynos_g2d_cmd *)(uint32_t)req->cmd_gem; + + if (copy_from_user(cmdlist->data + cmdlist->last, + (void __user *)cmd_gem, + sizeof(*cmd_gem) * req->cmd_gem_nr)) { + ret = -EFAULT; + goto err_free_event; + } + cmdlist->last += req->cmd_gem_nr * 2; + + ret = g2d_check_reg_offset(dev, cmdlist, req->cmd_gem_nr, true); + if (ret < 0) + goto err_free_event; + + ret = g2d_get_cmdlist_gem(drm_dev, file, node); + if (ret < 0) + goto err_unmap; + } + + cmdlist->data[cmdlist->last++] = G2D_BITBLT_START; + cmdlist->data[cmdlist->last++] = G2D_START_BITBLT; + + /* head */ + cmdlist->head = cmdlist->last / 2; + + /* tail */ + cmdlist->data[cmdlist->last] = 0; + + g2d_add_cmdlist_to_inuse(g2d_priv, node); + + return 0; + +err_unmap: + g2d_put_cmdlist_gem(drm_dev, file, node->gem_nr); +err_free_event: + if (node->event) { + spin_lock_irqsave(&drm_dev->event_lock, flags); + file->event_space += sizeof(e->event); + spin_unlock_irqrestore(&drm_dev->event_lock, flags); + kfree(node->event); + } +err: + g2d_put_cmdlist(g2d, node); + return ret; +} +EXPORT_SYMBOL_GPL(exynos_g2d_set_cmdlist_ioctl); + +int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data, + struct drm_file *file) +{ + struct drm_exynos_file_private *file_priv = file->driver_priv; + struct exynos_drm_g2d_private *g2d_priv = file_priv->g2d_priv; + struct device *dev = g2d_priv->dev; + struct g2d_data *g2d; + struct drm_exynos_g2d_exec *req = data; + struct g2d_runqueue_node *runqueue_node; + struct list_head *run_cmdlist; + struct list_head *event_list; + + if (!dev) + return -ENODEV; + + g2d = dev_get_drvdata(dev); + if (!g2d) + return -EFAULT; + + runqueue_node = kmem_cache_alloc(g2d->runqueue_slab, GFP_KERNEL); + if (!runqueue_node) { + dev_err(dev, "failed to allocate memory\n"); + return -ENOMEM; + } + run_cmdlist = &runqueue_node->run_cmdlist; + event_list = &runqueue_node->event_list; + INIT_LIST_HEAD(run_cmdlist); + INIT_LIST_HEAD(event_list); + init_completion(&runqueue_node->complete); + runqueue_node->async = req->async; + + list_splice_init(&g2d_priv->inuse_cmdlist, run_cmdlist); + list_splice_init(&g2d_priv->event_list, event_list); + + if (list_empty(run_cmdlist)) { + dev_err(dev, "there is no inuse cmdlist\n"); + kmem_cache_free(g2d->runqueue_slab, runqueue_node); + return -EPERM; + } + + mutex_lock(&g2d->runqueue_mutex); + list_add_tail(&runqueue_node->list, &g2d->runqueue); + if (!g2d->runqueue_node) + g2d_exec_runqueue(g2d); + mutex_unlock(&g2d->runqueue_mutex); + + if (runqueue_node->async) + goto out; + + wait_for_completion(&runqueue_node->complete); + g2d_free_runqueue_node(g2d, runqueue_node); + +out: + return 0; +} +EXPORT_SYMBOL_GPL(exynos_g2d_exec_ioctl); + +static int g2d_open(struct drm_device *drm_dev, struct device *dev, + struct drm_file *file) +{ + struct drm_exynos_file_private *file_priv = file->driver_priv; + struct exynos_drm_g2d_private *g2d_priv; + + g2d_priv = kzalloc(sizeof(*g2d_priv), GFP_KERNEL); + if (!g2d_priv) { + dev_err(dev, "failed to allocate g2d private data\n"); + return -ENOMEM; + } + + g2d_priv->dev = dev; + file_priv->g2d_priv = g2d_priv; + + INIT_LIST_HEAD(&g2d_priv->inuse_cmdlist); + INIT_LIST_HEAD(&g2d_priv->event_list); + INIT_LIST_HEAD(&g2d_priv->gem_list); + + return 0; +} + +static void g2d_close(struct drm_device *drm_dev, struct device *dev, + struct drm_file *file) +{ + struct drm_exynos_file_private *file_priv = file->driver_priv; + struct exynos_drm_g2d_private *g2d_priv = file_priv->g2d_priv; + struct g2d_data *g2d; + struct g2d_cmdlist_node *node, *n; + + if (!dev) + return; + + g2d = dev_get_drvdata(dev); + if (!g2d) + return; + + mutex_lock(&g2d->cmdlist_mutex); + list_for_each_entry_safe(node, n, &g2d_priv->inuse_cmdlist, list) + list_move_tail(&node->list, &g2d->free_cmdlist); + mutex_unlock(&g2d->cmdlist_mutex); + + g2d_put_cmdlist_gem(drm_dev, file, g2d_priv->gem_nr); + + kfree(file_priv->g2d_priv); +} + +static int __devinit g2d_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct g2d_data *g2d; + struct exynos_drm_subdrv *subdrv; + int ret; + + g2d = kzalloc(sizeof(*g2d), GFP_KERNEL); + if (!g2d) { + dev_err(dev, "failed to allocate driver data\n"); + return -ENOMEM; + } + + g2d->runqueue_slab = kmem_cache_create("g2d_runqueue_slab", + sizeof(struct g2d_runqueue_node), 0, 0, NULL); + if (!g2d->runqueue_slab) { + ret = -ENOMEM; + goto err_free_mem; + } + + g2d->dev = dev; + + g2d->g2d_workq = create_singlethread_workqueue("g2d"); + if (!g2d->g2d_workq) { + dev_err(dev, "failed to create workqueue\n"); + ret = -EINVAL; + goto err_destroy_slab; + } + + INIT_WORK(&g2d->runqueue_work, g2d_runqueue_worker); + INIT_LIST_HEAD(&g2d->free_cmdlist); + INIT_LIST_HEAD(&g2d->runqueue); + + mutex_init(&g2d->cmdlist_mutex); + mutex_init(&g2d->runqueue_mutex); + + ret = g2d_init_cmdlist(g2d); + if (ret < 0) + goto err_destroy_workqueue; + + g2d->gate_clk = clk_get(dev, "fimg2d"); + if (IS_ERR(g2d->gate_clk)) { + dev_err(dev, "failed to get gate clock\n"); + ret = PTR_ERR(g2d->gate_clk); + goto err_fini_cmdlist; + } + + pm_runtime_enable(dev); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "failed to get I/O memory\n"); + ret = -ENOENT; + goto err_put_clk; + } + + g2d->regs_res = request_mem_region(res->start, resource_size(res), + dev_name(dev)); + if (!g2d->regs_res) { + dev_err(dev, "failed to request I/O memory\n"); + ret = -ENOENT; + goto err_put_clk; + } + + g2d->regs = ioremap(res->start, resource_size(res)); + if (!g2d->regs) { + dev_err(dev, "failed to remap I/O memory\n"); + ret = -ENXIO; + goto err_release_res; + } + + g2d->irq = platform_get_irq(pdev, 0); + if (g2d->irq < 0) { + dev_err(dev, "failed to get irq\n"); + ret = g2d->irq; + goto err_unmap_base; + } + + ret = request_irq(g2d->irq, g2d_irq_handler, 0, "drm_g2d", g2d); + if (ret < 0) { + dev_err(dev, "irq request failed\n"); + goto err_unmap_base; + } + + platform_set_drvdata(pdev, g2d); + + subdrv = &g2d->subdrv; + subdrv->dev = dev; + subdrv->open = g2d_open; + subdrv->close = g2d_close; + + ret = exynos_drm_subdrv_register(subdrv); + if (ret < 0) { + dev_err(dev, "failed to register drm g2d device\n"); + goto err_free_irq; + } + + dev_info(dev, "The exynos g2d(ver %d.%d) successfully probed\n", + G2D_HW_MAJOR_VER, G2D_HW_MINOR_VER); + + return 0; + +err_free_irq: + free_irq(g2d->irq, g2d); +err_unmap_base: + iounmap(g2d->regs); +err_release_res: + release_resource(g2d->regs_res); + kfree(g2d->regs_res); +err_put_clk: + pm_runtime_disable(dev); + clk_put(g2d->gate_clk); +err_fini_cmdlist: + g2d_fini_cmdlist(g2d); +err_destroy_workqueue: + destroy_workqueue(g2d->g2d_workq); +err_destroy_slab: + kmem_cache_destroy(g2d->runqueue_slab); +err_free_mem: + kfree(g2d); + return ret; +} + +static int __devexit g2d_remove(struct platform_device *pdev) +{ + struct g2d_data *g2d = platform_get_drvdata(pdev); + + cancel_work_sync(&g2d->runqueue_work); + exynos_drm_subdrv_unregister(&g2d->subdrv); + free_irq(g2d->irq, g2d); + + while (g2d->runqueue_node) { + g2d_free_runqueue_node(g2d, g2d->runqueue_node); + g2d->runqueue_node = g2d_get_runqueue_node(g2d); + } + + iounmap(g2d->regs); + release_resource(g2d->regs_res); + kfree(g2d->regs_res); + + pm_runtime_disable(&pdev->dev); + clk_put(g2d->gate_clk); + + g2d_fini_cmdlist(g2d); + destroy_workqueue(g2d->g2d_workq); + kmem_cache_destroy(g2d->runqueue_slab); + kfree(g2d); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int g2d_suspend(struct device *dev) +{ + struct g2d_data *g2d = dev_get_drvdata(dev); + + mutex_lock(&g2d->runqueue_mutex); + g2d->suspended = true; + mutex_unlock(&g2d->runqueue_mutex); + + while (g2d->runqueue_node) + /* FIXME: good range? */ + usleep_range(500, 1000); + + flush_work_sync(&g2d->runqueue_work); + + return 0; +} + +static int g2d_resume(struct device *dev) +{ + struct g2d_data *g2d = dev_get_drvdata(dev); + + g2d->suspended = false; + g2d_exec_runqueue(g2d); + + return 0; +} +#endif + +SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume); + +struct platform_driver g2d_driver = { + .probe = g2d_probe, + .remove = __devexit_p(g2d_remove), + .driver = { + .name = "s5p-g2d", + .owner = THIS_MODULE, + .pm = &g2d_pm_ops, + }, +}; diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.h b/drivers/gpu/drm/exynos/exynos_drm_g2d.h new file mode 100644 index 000000000000..1a9c7ca8c15b --- /dev/null +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2012 Samsung Electronics Co.Ltd + * Authors: Joonyoung Shim <jy0922.shim@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundationr + */ + +#ifdef CONFIG_DRM_EXYNOS_G2D +extern int exynos_g2d_get_ver_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int exynos_g2d_set_cmdlist_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int exynos_g2d_exec_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +#else +static inline int exynos_g2d_get_ver_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int exynos_g2d_set_cmdlist_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int exynos_g2d_exec_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} +#endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 392ce71ed6a1..fc91293c4560 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -66,6 +66,22 @@ static int check_gem_flags(unsigned int flags) return 0; } +static void update_vm_cache_attr(struct exynos_drm_gem_obj *obj, + struct vm_area_struct *vma) +{ + DRM_DEBUG_KMS("flags = 0x%x\n", obj->flags); + + /* non-cachable as default. */ + if (obj->flags & EXYNOS_BO_CACHABLE) + vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); + else if (obj->flags & EXYNOS_BO_WC) + vma->vm_page_prot = + pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); + else + vma->vm_page_prot = + pgprot_noncached(vm_get_page_prot(vma->vm_flags)); +} + static unsigned long roundup_gem_size(unsigned long size, unsigned int flags) { if (!IS_NONCONTIG_BUFFER(flags)) { @@ -80,7 +96,7 @@ out: return roundup(size, PAGE_SIZE); } -static struct page **exynos_gem_get_pages(struct drm_gem_object *obj, +struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask) { struct inode *inode; @@ -149,22 +165,12 @@ static int exynos_drm_gem_map_pages(struct drm_gem_object *obj, unsigned long pfn; if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) { - unsigned long usize = buf->size; - if (!buf->pages) return -EINTR; - while (usize > 0) { - pfn = page_to_pfn(buf->pages[page_offset++]); - vm_insert_mixed(vma, f_vaddr, pfn); - f_vaddr += PAGE_SIZE; - usize -= PAGE_SIZE; - } - - return 0; - } - - pfn = (buf->dma_addr >> PAGE_SHIFT) + page_offset; + pfn = page_to_pfn(buf->pages[page_offset++]); + } else + pfn = (buf->dma_addr >> PAGE_SHIFT) + page_offset; return vm_insert_mixed(vma, f_vaddr, pfn); } @@ -190,6 +196,7 @@ static int exynos_drm_gem_get_pages(struct drm_gem_object *obj) } npages = obj->size >> PAGE_SHIFT; + buf->page_size = PAGE_SIZE; buf->sgt = kzalloc(sizeof(struct sg_table), GFP_KERNEL); if (!buf->sgt) { @@ -272,24 +279,24 @@ static int exynos_drm_gem_handle_create(struct drm_gem_object *obj, void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj) { struct drm_gem_object *obj; + struct exynos_drm_gem_buf *buf; DRM_DEBUG_KMS("%s\n", __FILE__); - if (!exynos_gem_obj) - return; - obj = &exynos_gem_obj->base; + buf = exynos_gem_obj->buffer; DRM_DEBUG_KMS("handle count = %d\n", atomic_read(&obj->handle_count)); - if ((exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) && - exynos_gem_obj->buffer->pages) + if (!buf->pages) + return; + + if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) exynos_drm_gem_put_pages(obj); else - exynos_drm_free_buf(obj->dev, exynos_gem_obj->flags, - exynos_gem_obj->buffer); + exynos_drm_free_buf(obj->dev, exynos_gem_obj->flags, buf); - exynos_drm_fini_buf(obj->dev, exynos_gem_obj->buffer); + exynos_drm_fini_buf(obj->dev, buf); exynos_gem_obj->buffer = NULL; if (obj->map_list.map) @@ -302,7 +309,7 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj) exynos_gem_obj = NULL; } -static struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, +struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, unsigned long size) { struct exynos_drm_gem_obj *exynos_gem_obj; @@ -503,8 +510,7 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, vma->vm_flags |= (VM_IO | VM_RESERVED); - /* in case of direct mapping, always having non-cachable attribute */ - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + update_vm_cache_attr(exynos_gem_obj, vma); vm_size = usize = vma->vm_end - vma->vm_start; @@ -524,6 +530,8 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, if (!buffer->pages) return -EINVAL; + vma->vm_flags |= VM_MIXEDMAP; + do { ret = vm_insert_page(vma, uaddr, buffer->pages[i++]); if (ret) { @@ -596,6 +604,32 @@ int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data, return 0; } +int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ struct exynos_drm_gem_obj *exynos_gem_obj; + struct drm_exynos_gem_info *args = data; + struct drm_gem_object *obj; + + mutex_lock(&dev->struct_mutex); + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (!obj) { + DRM_ERROR("failed to lookup gem object.\n"); + mutex_unlock(&dev->struct_mutex); + return -EINVAL; + } + + exynos_gem_obj = to_exynos_gem_obj(obj); + + args->flags = exynos_gem_obj->flags; + args->size = exynos_gem_obj->size; + + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + return 0; +} + int exynos_drm_gem_init_object(struct drm_gem_object *obj) { DRM_DEBUG_KMS("%s\n", __FILE__); @@ -605,8 +639,17 @@ int exynos_drm_gem_init_object(struct drm_gem_object *obj) void exynos_drm_gem_free_object(struct drm_gem_object *obj) { + struct exynos_drm_gem_obj *exynos_gem_obj; + struct exynos_drm_gem_buf *buf; + DRM_DEBUG_KMS("%s\n", __FILE__); + exynos_gem_obj = to_exynos_gem_obj(obj); + buf = exynos_gem_obj->buffer; + + if (obj->import_attach) + drm_prime_gem_destroy(obj, buf->sgt); + exynos_drm_gem_destroy(to_exynos_gem_obj(obj)); } @@ -710,7 +753,6 @@ int exynos_drm_gem_dumb_destroy(struct drm_file *file_priv, int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_gem_object *obj = vma->vm_private_data; - struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); struct drm_device *dev = obj->dev; unsigned long f_vaddr; pgoff_t page_offset; @@ -722,21 +764,10 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) mutex_lock(&dev->struct_mutex); - /* - * allocate all pages as desired size if user wants to allocate - * physically non-continuous memory. - */ - if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) { - ret = exynos_drm_gem_get_pages(obj); - if (ret < 0) - goto err; - } - ret = exynos_drm_gem_map_pages(obj, vma, f_vaddr, page_offset); if (ret < 0) DRM_ERROR("failed to map pages.\n"); -err: mutex_unlock(&dev->struct_mutex); return convert_to_vm_err_msg(ret); @@ -744,6 +775,8 @@ err: int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) { + struct exynos_drm_gem_obj *exynos_gem_obj; + struct drm_gem_object *obj; int ret; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -755,8 +788,20 @@ int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) return ret; } + obj = vma->vm_private_data; + exynos_gem_obj = to_exynos_gem_obj(obj); + + ret = check_gem_flags(exynos_gem_obj->flags); + if (ret) { + drm_gem_vm_close(vma); + drm_gem_free_mmap_offset(obj); + return ret; + } + vma->vm_flags &= ~VM_PFNMAP; vma->vm_flags |= VM_MIXEDMAP; + update_vm_cache_attr(exynos_gem_obj, vma); + return ret; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 4ed842039505..14d038b6cb02 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -40,6 +40,7 @@ * device address with IOMMU. * @sgt: sg table to transfer page data. * @pages: contain all pages to allocated memory region. + * @page_size: could be 4K, 64K or 1MB. * @size: size of allocated memory region. */ struct exynos_drm_gem_buf { @@ -47,6 +48,7 @@ struct exynos_drm_gem_buf { dma_addr_t dma_addr; struct sg_table *sgt; struct page **pages; + unsigned long page_size; unsigned long size; }; @@ -74,9 +76,15 @@ struct exynos_drm_gem_obj { unsigned int flags; }; +struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask); + /* destroy a buffer with gem object */ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj); +/* create a private gem object and initialize it. */ +struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, + unsigned long size); + /* create a new buffer with gem object */ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, unsigned int flags, @@ -119,6 +127,10 @@ int exynos_drm_gem_map_offset_ioctl(struct drm_device *dev, void *data, int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +/* get buffer information to memory region allocated by gem. */ +int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + /* initialize gem object. */ int exynos_drm_gem_init_object(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index 3424463676e0..5d9d2c2f8f3f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -37,6 +37,8 @@ struct drm_hdmi_context { struct exynos_drm_subdrv subdrv; struct exynos_drm_hdmi_context *hdmi_ctx; struct exynos_drm_hdmi_context *mixer_ctx; + + bool enabled[MIXER_WIN_NR]; }; void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops) @@ -189,23 +191,34 @@ static void drm_hdmi_dpms(struct device *subdrv_dev, int mode) DRM_DEBUG_KMS("%s\n", __FILE__); - switch (mode) { - case DRM_MODE_DPMS_ON: - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - if (hdmi_ops && hdmi_ops->disable) - hdmi_ops->disable(ctx->hdmi_ctx->ctx); - break; - default: - DRM_DEBUG_KMS("unkown dps mode: %d\n", mode); - break; + if (mixer_ops && mixer_ops->dpms) + mixer_ops->dpms(ctx->mixer_ctx->ctx, mode); + + if (hdmi_ops && hdmi_ops->dpms) + hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode); +} + +static void drm_hdmi_apply(struct device *subdrv_dev) +{ + struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int i; + + DRM_DEBUG_KMS("%s\n", __FILE__); + + for (i = 0; i < MIXER_WIN_NR; i++) { + if (!ctx->enabled[i]) + continue; + if (mixer_ops && mixer_ops->win_commit) + mixer_ops->win_commit(ctx->mixer_ctx->ctx, i); } + + if (hdmi_ops && hdmi_ops->commit) + hdmi_ops->commit(ctx->hdmi_ctx->ctx); } static struct exynos_drm_manager_ops drm_hdmi_manager_ops = { .dpms = drm_hdmi_dpms, + .apply = drm_hdmi_apply, .enable_vblank = drm_hdmi_enable_vblank, .disable_vblank = drm_hdmi_disable_vblank, .mode_fixup = drm_hdmi_mode_fixup, @@ -228,21 +241,37 @@ static void drm_mixer_mode_set(struct device *subdrv_dev, static void drm_mixer_commit(struct device *subdrv_dev, int zpos) { struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos; DRM_DEBUG_KMS("%s\n", __FILE__); + if (win < 0 || win > MIXER_WIN_NR) { + DRM_ERROR("mixer window[%d] is wrong\n", win); + return; + } + if (mixer_ops && mixer_ops->win_commit) - mixer_ops->win_commit(ctx->mixer_ctx->ctx, zpos); + mixer_ops->win_commit(ctx->mixer_ctx->ctx, win); + + ctx->enabled[win] = true; } static void drm_mixer_disable(struct device *subdrv_dev, int zpos) { struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos; DRM_DEBUG_KMS("%s\n", __FILE__); + if (win < 0 || win > MIXER_WIN_NR) { + DRM_ERROR("mixer window[%d] is wrong\n", win); + return; + } + if (mixer_ops && mixer_ops->win_disable) - mixer_ops->win_disable(ctx->mixer_ctx->ctx, zpos); + mixer_ops->win_disable(ctx->mixer_ctx->ctx, win); + + ctx->enabled[win] = false; } static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = { @@ -335,25 +364,6 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev) return 0; } -static int hdmi_runtime_suspend(struct device *dev) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - return 0; -} - -static int hdmi_runtime_resume(struct device *dev) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - return 0; -} - -static const struct dev_pm_ops hdmi_pm_ops = { - .runtime_suspend = hdmi_runtime_suspend, - .runtime_resume = hdmi_runtime_resume, -}; - static int __devexit exynos_drm_hdmi_remove(struct platform_device *pdev) { struct drm_hdmi_context *ctx = platform_get_drvdata(pdev); @@ -372,6 +382,5 @@ struct platform_driver exynos_drm_common_hdmi_driver = { .driver = { .name = "exynos-drm-hdmi", .owner = THIS_MODULE, - .pm = &hdmi_pm_ops, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h index f3ae192c8dcf..bd8126996e52 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h @@ -26,6 +26,9 @@ #ifndef _EXYNOS_DRM_HDMI_H_ #define _EXYNOS_DRM_HDMI_H_ +#define MIXER_WIN_NR 3 +#define MIXER_DEFAULT_WIN 0 + /* * exynos hdmi common context structure. * @@ -54,13 +57,14 @@ struct exynos_hdmi_ops { void (*get_max_resol)(void *ctx, unsigned int *width, unsigned int *height); void (*commit)(void *ctx); - void (*disable)(void *ctx); + void (*dpms)(void *ctx, int mode); }; struct exynos_mixer_ops { /* manager */ int (*enable_vblank)(void *ctx, int pipe); void (*disable_vblank)(void *ctx); + void (*dpms)(void *ctx, int mode); /* overlay */ void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay); diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index f92fe4c6174a..c4c6525d4653 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -41,8 +41,6 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, container_of(plane, struct exynos_plane, base); struct exynos_drm_overlay *overlay = &exynos_plane->overlay; struct exynos_drm_crtc_pos pos; - unsigned int x = src_x >> 16; - unsigned int y = src_y >> 16; int ret; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); @@ -53,10 +51,12 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, pos.crtc_w = crtc_w; pos.crtc_h = crtc_h; - pos.fb_x = x; - pos.fb_y = y; + /* considering 16.16 fixed point of source values */ + pos.fb_x = src_x >> 16; + pos.fb_y = src_y >> 16; + pos.src_w = src_w >> 16; + pos.src_h = src_h >> 16; - /* TODO: scale feature */ ret = exynos_drm_overlay_update(overlay, fb, &crtc->mode, &pos); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index b00353876458..a137e9e39a33 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -57,18 +57,16 @@ struct hdmi_resources { struct hdmi_context { struct device *dev; struct drm_device *drm_dev; - struct fb_videomode *default_timing; - unsigned int is_v13:1; - unsigned int default_win; - unsigned int default_bpp; - bool hpd_handle; - bool enabled; + bool hpd; + bool powered; + bool is_v13; + bool dvi_mode; + struct mutex hdmi_mutex; struct resource *regs_res; void __iomem *regs; - unsigned int irq; - struct workqueue_struct *wq; - struct work_struct hotplug_work; + unsigned int external_irq; + unsigned int internal_irq; struct i2c_client *ddc_port; struct i2c_client *hdmiphy_port; @@ -78,6 +76,9 @@ struct hdmi_context { struct hdmi_resources res; void *parent_ctx; + + void (*cfg_hpd)(bool external); + int (*get_hpd)(void); }; /* HDMI Version 1.3 */ @@ -361,6 +362,13 @@ static const u8 hdmiphy_conf27_027[32] = { 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }; +static const u8 hdmiphy_conf74_176[32] = { + 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x5b, 0xef, 0x08, + 0x81, 0xa0, 0xb9, 0xd8, 0x45, 0xa0, 0xac, 0x80, + 0x5a, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, + 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, +}; + static const u8 hdmiphy_conf74_25[32] = { 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08, 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, @@ -750,6 +758,63 @@ static const struct hdmi_preset_conf hdmi_conf_1080i60 = { }, }; +static const struct hdmi_preset_conf hdmi_conf_1080p30 = { + .core = { + .h_blank = {0x18, 0x01}, + .v2_blank = {0x65, 0x04}, + .v1_blank = {0x2d, 0x00}, + .v_line = {0x65, 0x04}, + .h_line = {0x98, 0x08}, + .hsync_pol = {0x00}, + .vsync_pol = {0x00}, + .int_pro_mode = {0x00}, + .v_blank_f0 = {0xff, 0xff}, + .v_blank_f1 = {0xff, 0xff}, + .h_sync_start = {0x56, 0x00}, + .h_sync_end = {0x82, 0x00}, + .v_sync_line_bef_2 = {0x09, 0x00}, + .v_sync_line_bef_1 = {0x04, 0x00}, + .v_sync_line_aft_2 = {0xff, 0xff}, + .v_sync_line_aft_1 = {0xff, 0xff}, + .v_sync_line_aft_pxl_2 = {0xff, 0xff}, + .v_sync_line_aft_pxl_1 = {0xff, 0xff}, + .v_blank_f2 = {0xff, 0xff}, + .v_blank_f3 = {0xff, 0xff}, + .v_blank_f4 = {0xff, 0xff}, + .v_blank_f5 = {0xff, 0xff}, + .v_sync_line_aft_3 = {0xff, 0xff}, + .v_sync_line_aft_4 = {0xff, 0xff}, + .v_sync_line_aft_5 = {0xff, 0xff}, + .v_sync_line_aft_6 = {0xff, 0xff}, + .v_sync_line_aft_pxl_3 = {0xff, 0xff}, + .v_sync_line_aft_pxl_4 = {0xff, 0xff}, + .v_sync_line_aft_pxl_5 = {0xff, 0xff}, + .v_sync_line_aft_pxl_6 = {0xff, 0xff}, + .vact_space_1 = {0xff, 0xff}, + .vact_space_2 = {0xff, 0xff}, + .vact_space_3 = {0xff, 0xff}, + .vact_space_4 = {0xff, 0xff}, + .vact_space_5 = {0xff, 0xff}, + .vact_space_6 = {0xff, 0xff}, + /* other don't care */ + }, + .tg = { + 0x00, /* cmd */ + 0x98, 0x08, /* h_fsz */ + 0x18, 0x01, 0x80, 0x07, /* hact */ + 0x65, 0x04, /* v_fsz */ + 0x01, 0x00, 0x33, 0x02, /* vsync */ + 0x2d, 0x00, 0x38, 0x04, /* vact */ + 0x33, 0x02, /* field_chg */ + 0x48, 0x02, /* vact_st2 */ + 0x00, 0x00, /* vact_st3 */ + 0x00, 0x00, /* vact_st4 */ + 0x01, 0x00, 0x01, 0x00, /* vsync top/bot */ + 0x01, 0x00, 0x33, 0x02, /* field top/bot */ + 0x00, /* 3d FP */ + }, +}; + static const struct hdmi_preset_conf hdmi_conf_1080p50 = { .core = { .h_blank = {0xd0, 0x02}, @@ -864,6 +929,7 @@ static const struct hdmi_conf hdmi_confs[] = { { 1280, 720, 60, false, hdmiphy_conf74_25, &hdmi_conf_720p60 }, { 1920, 1080, 50, true, hdmiphy_conf74_25, &hdmi_conf_1080i50 }, { 1920, 1080, 60, true, hdmiphy_conf74_25, &hdmi_conf_1080i60 }, + { 1920, 1080, 30, false, hdmiphy_conf74_176, &hdmi_conf_1080p30 }, { 1920, 1080, 50, false, hdmiphy_conf148_5, &hdmi_conf_1080p50 }, { 1920, 1080, 60, false, hdmiphy_conf148_5, &hdmi_conf_1080p60 }, }; @@ -1194,12 +1260,8 @@ static int hdmi_conf_index(struct hdmi_context *hdata, static bool hdmi_is_connected(void *ctx) { struct hdmi_context *hdata = ctx; - u32 val = hdmi_reg_read(hdata, HDMI_HPD_STATUS); - - if (val) - return true; - return false; + return hdata->hpd; } static int hdmi_get_edid(void *ctx, struct drm_connector *connector, @@ -1215,10 +1277,12 @@ static int hdmi_get_edid(void *ctx, struct drm_connector *connector, raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter); if (raw_edid) { + hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid); memcpy(edid, raw_edid, min((1 + raw_edid->extensions) * EDID_LENGTH, len)); - DRM_DEBUG_KMS("width[%d] x height[%d]\n", - raw_edid->width_cm, raw_edid->height_cm); + DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n", + (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), + raw_edid->width_cm, raw_edid->height_cm); } else { return -ENODEV; } @@ -1289,28 +1353,6 @@ static int hdmi_check_timing(void *ctx, void *timing) return hdmi_v14_check_timing(check_timing); } -static int hdmi_display_power_on(void *ctx, int mode) -{ - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - switch (mode) { - case DRM_MODE_DPMS_ON: - DRM_DEBUG_KMS("hdmi [on]\n"); - break; - case DRM_MODE_DPMS_STANDBY: - break; - case DRM_MODE_DPMS_SUSPEND: - break; - case DRM_MODE_DPMS_OFF: - DRM_DEBUG_KMS("hdmi [off]\n"); - break; - default: - break; - } - - return 0; -} - static void hdmi_set_acr(u32 freq, u8 *acr) { u32 n, cts; @@ -1463,10 +1505,7 @@ static void hdmi_audio_init(struct hdmi_context *hdata) static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff) { - u32 mod; - - mod = hdmi_reg_read(hdata, HDMI_MODE_SEL); - if (mod & HDMI_DVI_MODE_EN) + if (hdata->dvi_mode) return; hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0); @@ -1478,9 +1517,6 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) { u32 reg; - /* disable hpd handle for drm */ - hdata->hpd_handle = false; - if (hdata->is_v13) reg = HDMI_V13_CORE_RSTOUT; else @@ -1491,16 +1527,10 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) mdelay(10); hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT); mdelay(10); - - /* enable hpd handle for drm */ - hdata->hpd_handle = true; } static void hdmi_conf_init(struct hdmi_context *hdata) { - /* disable hpd handle for drm */ - hdata->hpd_handle = false; - /* enable HPD interrupts */ hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); @@ -1514,6 +1544,14 @@ static void hdmi_conf_init(struct hdmi_context *hdata) /* disable bluescreen */ hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); + if (hdata->dvi_mode) { + /* choose DVI mode */ + hdmi_reg_writemask(hdata, HDMI_MODE_SEL, + HDMI_MODE_DVI_EN, HDMI_MODE_MASK); + hdmi_reg_writeb(hdata, HDMI_CON_2, + HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS); + } + if (hdata->is_v13) { /* choose bluescreen (fecal) color */ hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12); @@ -1535,9 +1573,6 @@ static void hdmi_conf_init(struct hdmi_context *hdata) hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 2 << 5); hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5); } - - /* enable hpd handle for drm */ - hdata->hpd_handle = true; } static void hdmi_v13_timing_apply(struct hdmi_context *hdata) @@ -1890,8 +1925,11 @@ static void hdmi_conf_apply(struct hdmi_context *hdata) hdmiphy_conf_reset(hdata); hdmiphy_conf_apply(hdata); + mutex_lock(&hdata->hdmi_mutex); hdmi_conf_reset(hdata); hdmi_conf_init(hdata); + mutex_unlock(&hdata->hdmi_mutex); + hdmi_audio_init(hdata); /* setting core registers */ @@ -1971,20 +2009,86 @@ static void hdmi_commit(void *ctx) DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); hdmi_conf_apply(hdata); +} + +static void hdmi_poweron(struct hdmi_context *hdata) +{ + struct hdmi_resources *res = &hdata->res; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + mutex_lock(&hdata->hdmi_mutex); + if (hdata->powered) { + mutex_unlock(&hdata->hdmi_mutex); + return; + } + + hdata->powered = true; + + if (hdata->cfg_hpd) + hdata->cfg_hpd(true); + mutex_unlock(&hdata->hdmi_mutex); + + pm_runtime_get_sync(hdata->dev); + + regulator_bulk_enable(res->regul_count, res->regul_bulk); + clk_enable(res->hdmiphy); + clk_enable(res->hdmi); + clk_enable(res->sclk_hdmi); +} + +static void hdmi_poweroff(struct hdmi_context *hdata) +{ + struct hdmi_resources *res = &hdata->res; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + mutex_lock(&hdata->hdmi_mutex); + if (!hdata->powered) + goto out; + mutex_unlock(&hdata->hdmi_mutex); + + /* + * The TV power domain needs any condition of hdmiphy to turn off and + * its reset state seems to meet the condition. + */ + hdmiphy_conf_reset(hdata); + + clk_disable(res->sclk_hdmi); + clk_disable(res->hdmi); + clk_disable(res->hdmiphy); + regulator_bulk_disable(res->regul_count, res->regul_bulk); + + pm_runtime_put_sync(hdata->dev); - hdata->enabled = true; + mutex_lock(&hdata->hdmi_mutex); + if (hdata->cfg_hpd) + hdata->cfg_hpd(false); + + hdata->powered = false; + +out: + mutex_unlock(&hdata->hdmi_mutex); } -static void hdmi_disable(void *ctx) +static void hdmi_dpms(void *ctx, int mode) { struct hdmi_context *hdata = ctx; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - if (hdata->enabled) { - hdmi_audio_control(hdata, false); - hdmiphy_conf_reset(hdata); - hdmi_conf_reset(hdata); + switch (mode) { + case DRM_MODE_DPMS_ON: + hdmi_poweron(hdata); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + hdmi_poweroff(hdata); + break; + default: + DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); + break; } } @@ -1993,30 +2097,35 @@ static struct exynos_hdmi_ops hdmi_ops = { .is_connected = hdmi_is_connected, .get_edid = hdmi_get_edid, .check_timing = hdmi_check_timing, - .power_on = hdmi_display_power_on, /* manager */ .mode_fixup = hdmi_mode_fixup, .mode_set = hdmi_mode_set, .get_max_resol = hdmi_get_max_resol, .commit = hdmi_commit, - .disable = hdmi_disable, + .dpms = hdmi_dpms, }; -/* - * Handle hotplug events outside the interrupt handler proper. - */ -static void hdmi_hotplug_func(struct work_struct *work) +static irqreturn_t hdmi_external_irq_thread(int irq, void *arg) { - struct hdmi_context *hdata = - container_of(work, struct hdmi_context, hotplug_work); - struct exynos_drm_hdmi_context *ctx = - (struct exynos_drm_hdmi_context *)hdata->parent_ctx; + struct exynos_drm_hdmi_context *ctx = arg; + struct hdmi_context *hdata = ctx->ctx; + + if (!hdata->get_hpd) + goto out; + + mutex_lock(&hdata->hdmi_mutex); + hdata->hpd = hdata->get_hpd(); + mutex_unlock(&hdata->hdmi_mutex); - drm_helper_hpd_irq_event(ctx->drm_dev); + if (ctx->drm_dev) + drm_helper_hpd_irq_event(ctx->drm_dev); + +out: + return IRQ_HANDLED; } -static irqreturn_t hdmi_irq_handler(int irq, void *arg) +static irqreturn_t hdmi_internal_irq_thread(int irq, void *arg) { struct exynos_drm_hdmi_context *ctx = arg; struct hdmi_context *hdata = ctx->ctx; @@ -2025,19 +2134,28 @@ static irqreturn_t hdmi_irq_handler(int irq, void *arg) intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG); /* clearing flags for HPD plug/unplug */ if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) { - DRM_DEBUG_KMS("unplugged, handling:%d\n", hdata->hpd_handle); + DRM_DEBUG_KMS("unplugged\n"); hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0, HDMI_INTC_FLAG_HPD_UNPLUG); } if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) { - DRM_DEBUG_KMS("plugged, handling:%d\n", hdata->hpd_handle); + DRM_DEBUG_KMS("plugged\n"); hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0, HDMI_INTC_FLAG_HPD_PLUG); } - if (ctx->drm_dev && hdata->hpd_handle) - queue_work(hdata->wq, &hdata->hotplug_work); + mutex_lock(&hdata->hdmi_mutex); + hdata->hpd = hdmi_reg_read(hdata, HDMI_HPD_STATUS); + if (hdata->powered && hdata->hpd) { + mutex_unlock(&hdata->hdmi_mutex); + goto out; + } + mutex_unlock(&hdata->hdmi_mutex); + + if (ctx->drm_dev) + drm_helper_hpd_irq_event(ctx->drm_dev); +out: return IRQ_HANDLED; } @@ -2131,68 +2249,6 @@ static int hdmi_resources_cleanup(struct hdmi_context *hdata) return 0; } -static void hdmi_resource_poweron(struct hdmi_context *hdata) -{ - struct hdmi_resources *res = &hdata->res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - /* turn HDMI power on */ - regulator_bulk_enable(res->regul_count, res->regul_bulk); - /* power-on hdmi physical interface */ - clk_enable(res->hdmiphy); - /* turn clocks on */ - clk_enable(res->hdmi); - clk_enable(res->sclk_hdmi); - - hdmiphy_conf_reset(hdata); - hdmi_conf_reset(hdata); - hdmi_conf_init(hdata); - hdmi_audio_init(hdata); -} - -static void hdmi_resource_poweroff(struct hdmi_context *hdata) -{ - struct hdmi_resources *res = &hdata->res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - /* turn clocks off */ - clk_disable(res->sclk_hdmi); - clk_disable(res->hdmi); - /* power-off hdmiphy */ - clk_disable(res->hdmiphy); - /* turn HDMI power off */ - regulator_bulk_disable(res->regul_count, res->regul_bulk); -} - -static int hdmi_runtime_suspend(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); - - DRM_DEBUG_KMS("%s\n", __func__); - - hdmi_resource_poweroff(ctx->ctx); - - return 0; -} - -static int hdmi_runtime_resume(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); - - DRM_DEBUG_KMS("%s\n", __func__); - - hdmi_resource_poweron(ctx->ctx); - - return 0; -} - -static const struct dev_pm_ops hdmi_pm_ops = { - .runtime_suspend = hdmi_runtime_suspend, - .runtime_resume = hdmi_runtime_resume, -}; - static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy; void hdmi_attach_ddc_client(struct i2c_client *ddc) @@ -2237,15 +2293,16 @@ static int __devinit hdmi_probe(struct platform_device *pdev) return -ENOMEM; } + mutex_init(&hdata->hdmi_mutex); + drm_hdmi_ctx->ctx = (void *)hdata; hdata->parent_ctx = (void *)drm_hdmi_ctx; platform_set_drvdata(pdev, drm_hdmi_ctx); hdata->is_v13 = pdata->is_v13; - hdata->default_win = pdata->default_win; - hdata->default_timing = &pdata->timing; - hdata->default_bpp = pdata->bpp; + hdata->cfg_hpd = pdata->cfg_hpd; + hdata->get_hpd = pdata->get_hpd; hdata->dev = dev; ret = hdmi_resources_init(hdata); @@ -2294,41 +2351,49 @@ static int __devinit hdmi_probe(struct platform_device *pdev) hdata->hdmiphy_port = hdmi_hdmiphy; - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - DRM_ERROR("get interrupt resource failed.\n"); - ret = -ENXIO; + hdata->external_irq = platform_get_irq_byname(pdev, "external_irq"); + if (hdata->external_irq < 0) { + DRM_ERROR("failed to get platform irq\n"); + ret = hdata->external_irq; goto err_hdmiphy; } - /* create workqueue and hotplug work */ - hdata->wq = alloc_workqueue("exynos-drm-hdmi", - WQ_UNBOUND | WQ_NON_REENTRANT, 1); - if (hdata->wq == NULL) { - DRM_ERROR("Failed to create workqueue.\n"); - ret = -ENOMEM; + hdata->internal_irq = platform_get_irq_byname(pdev, "internal_irq"); + if (hdata->internal_irq < 0) { + DRM_ERROR("failed to get platform internal irq\n"); + ret = hdata->internal_irq; goto err_hdmiphy; } - INIT_WORK(&hdata->hotplug_work, hdmi_hotplug_func); - /* register hpd interrupt */ - ret = request_irq(res->start, hdmi_irq_handler, 0, "drm_hdmi", - drm_hdmi_ctx); + ret = request_threaded_irq(hdata->external_irq, NULL, + hdmi_external_irq_thread, IRQF_TRIGGER_RISING | + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "hdmi_external", drm_hdmi_ctx); if (ret) { - DRM_ERROR("request interrupt failed.\n"); - goto err_workqueue; + DRM_ERROR("failed to register hdmi internal interrupt\n"); + goto err_hdmiphy; + } + + if (hdata->cfg_hpd) + hdata->cfg_hpd(false); + + ret = request_threaded_irq(hdata->internal_irq, NULL, + hdmi_internal_irq_thread, IRQF_ONESHOT, + "hdmi_internal", drm_hdmi_ctx); + if (ret) { + DRM_ERROR("failed to register hdmi internal interrupt\n"); + goto err_free_irq; } - hdata->irq = res->start; /* register specific callbacks to common hdmi. */ exynos_hdmi_ops_register(&hdmi_ops); - hdmi_resource_poweron(hdata); + pm_runtime_enable(dev); return 0; -err_workqueue: - destroy_workqueue(hdata->wq); +err_free_irq: + free_irq(hdata->external_irq, drm_hdmi_ctx); err_hdmiphy: i2c_del_driver(&hdmiphy_driver); err_ddc: @@ -2348,18 +2413,15 @@ err_data: static int __devexit hdmi_remove(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct exynos_drm_hdmi_context *ctx = platform_get_drvdata(pdev); struct hdmi_context *hdata = ctx->ctx; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - hdmi_resource_poweroff(hdata); + pm_runtime_disable(dev); - disable_irq(hdata->irq); - free_irq(hdata->irq, hdata); - - cancel_work_sync(&hdata->hotplug_work); - destroy_workqueue(hdata->wq); + free_irq(hdata->internal_irq, hdata); hdmi_resources_cleanup(hdata); @@ -2378,12 +2440,43 @@ static int __devexit hdmi_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int hdmi_suspend(struct device *dev) +{ + struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); + struct hdmi_context *hdata = ctx->ctx; + + disable_irq(hdata->internal_irq); + disable_irq(hdata->external_irq); + + hdata->hpd = false; + if (ctx->drm_dev) + drm_helper_hpd_irq_event(ctx->drm_dev); + + hdmi_poweroff(hdata); + + return 0; +} + +static int hdmi_resume(struct device *dev) +{ + struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); + struct hdmi_context *hdata = ctx->ctx; + + enable_irq(hdata->external_irq); + enable_irq(hdata->internal_irq); + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(hdmi_pm_ops, hdmi_suspend, hdmi_resume); + struct platform_driver hdmi_driver = { .probe = hdmi_probe, .remove = __devexit_p(hdmi_remove), .driver = { .name = "exynos4-hdmi", .owner = THIS_MODULE, - .pm = &hdmi_pm_ops, + .pm = &hdmi_pm_ops, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index e15438c01129..68ef01028375 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -37,9 +37,6 @@ #include "exynos_drm_drv.h" #include "exynos_drm_hdmi.h" -#define MIXER_WIN_NR 3 -#define MIXER_DEFAULT_WIN 0 - #define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev)) struct hdmi_win_data { @@ -57,13 +54,14 @@ struct hdmi_win_data { unsigned int fb_y; unsigned int fb_width; unsigned int fb_height; + unsigned int src_width; + unsigned int src_height; unsigned int mode_width; unsigned int mode_height; unsigned int scan_flags; }; struct mixer_resources { - struct device *dev; int irq; void __iomem *mixer_regs; void __iomem *vp_regs; @@ -76,10 +74,13 @@ struct mixer_resources { }; struct mixer_context { - unsigned int irq; + struct device *dev; int pipe; bool interlace; + bool powered; + u32 int_en; + struct mutex mixer_mutex; struct mixer_resources mixer_res; struct hdmi_win_data win_data[MIXER_WIN_NR]; }; @@ -352,10 +353,7 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) struct mixer_resources *res = &ctx->mixer_res; unsigned long flags; struct hdmi_win_data *win_data; - unsigned int full_width, full_height, width, height; unsigned int x_ratio, y_ratio; - unsigned int src_x_offset, src_y_offset, dst_x_offset, dst_y_offset; - unsigned int mode_width, mode_height; unsigned int buf_num; dma_addr_t luma_addr[2], chroma_addr[2]; bool tiled_mode = false; @@ -382,21 +380,9 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) return; } - full_width = win_data->fb_width; - full_height = win_data->fb_height; - width = win_data->crtc_width; - height = win_data->crtc_height; - mode_width = win_data->mode_width; - mode_height = win_data->mode_height; - /* scaling feature: (src << 16) / dst */ - x_ratio = (width << 16) / width; - y_ratio = (height << 16) / height; - - src_x_offset = win_data->fb_x; - src_y_offset = win_data->fb_y; - dst_x_offset = win_data->crtc_x; - dst_y_offset = win_data->crtc_y; + x_ratio = (win_data->src_width << 16) / win_data->crtc_width; + y_ratio = (win_data->src_height << 16) / win_data->crtc_height; if (buf_num == 2) { luma_addr[0] = win_data->dma_addr; @@ -404,7 +390,7 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) } else { luma_addr[0] = win_data->dma_addr; chroma_addr[0] = win_data->dma_addr - + (full_width * full_height); + + (win_data->fb_width * win_data->fb_height); } if (win_data->scan_flags & DRM_MODE_FLAG_INTERLACE) { @@ -413,8 +399,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) luma_addr[1] = luma_addr[0] + 0x40; chroma_addr[1] = chroma_addr[0] + 0x40; } else { - luma_addr[1] = luma_addr[0] + full_width; - chroma_addr[1] = chroma_addr[0] + full_width; + luma_addr[1] = luma_addr[0] + win_data->fb_width; + chroma_addr[1] = chroma_addr[0] + win_data->fb_width; } } else { ctx->interlace = false; @@ -435,26 +421,26 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) vp_reg_writemask(res, VP_MODE, val, VP_MODE_FMT_MASK); /* setting size of input image */ - vp_reg_write(res, VP_IMG_SIZE_Y, VP_IMG_HSIZE(full_width) | - VP_IMG_VSIZE(full_height)); + vp_reg_write(res, VP_IMG_SIZE_Y, VP_IMG_HSIZE(win_data->fb_width) | + VP_IMG_VSIZE(win_data->fb_height)); /* chroma height has to reduced by 2 to avoid chroma distorions */ - vp_reg_write(res, VP_IMG_SIZE_C, VP_IMG_HSIZE(full_width) | - VP_IMG_VSIZE(full_height / 2)); + vp_reg_write(res, VP_IMG_SIZE_C, VP_IMG_HSIZE(win_data->fb_width) | + VP_IMG_VSIZE(win_data->fb_height / 2)); - vp_reg_write(res, VP_SRC_WIDTH, width); - vp_reg_write(res, VP_SRC_HEIGHT, height); + vp_reg_write(res, VP_SRC_WIDTH, win_data->src_width); + vp_reg_write(res, VP_SRC_HEIGHT, win_data->src_height); vp_reg_write(res, VP_SRC_H_POSITION, - VP_SRC_H_POSITION_VAL(src_x_offset)); - vp_reg_write(res, VP_SRC_V_POSITION, src_y_offset); + VP_SRC_H_POSITION_VAL(win_data->fb_x)); + vp_reg_write(res, VP_SRC_V_POSITION, win_data->fb_y); - vp_reg_write(res, VP_DST_WIDTH, width); - vp_reg_write(res, VP_DST_H_POSITION, dst_x_offset); + vp_reg_write(res, VP_DST_WIDTH, win_data->crtc_width); + vp_reg_write(res, VP_DST_H_POSITION, win_data->crtc_x); if (ctx->interlace) { - vp_reg_write(res, VP_DST_HEIGHT, height / 2); - vp_reg_write(res, VP_DST_V_POSITION, dst_y_offset / 2); + vp_reg_write(res, VP_DST_HEIGHT, win_data->crtc_height / 2); + vp_reg_write(res, VP_DST_V_POSITION, win_data->crtc_y / 2); } else { - vp_reg_write(res, VP_DST_HEIGHT, height); - vp_reg_write(res, VP_DST_V_POSITION, dst_y_offset); + vp_reg_write(res, VP_DST_HEIGHT, win_data->crtc_height); + vp_reg_write(res, VP_DST_V_POSITION, win_data->crtc_y); } vp_reg_write(res, VP_H_RATIO, x_ratio); @@ -468,8 +454,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) vp_reg_write(res, VP_TOP_C_PTR, chroma_addr[0]); vp_reg_write(res, VP_BOT_C_PTR, chroma_addr[1]); - mixer_cfg_scan(ctx, mode_height); - mixer_cfg_rgb_fmt(ctx, mode_height); + mixer_cfg_scan(ctx, win_data->mode_height); + mixer_cfg_rgb_fmt(ctx, win_data->mode_height); mixer_cfg_layer(ctx, win, true); mixer_run(ctx); @@ -484,10 +470,8 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) struct mixer_resources *res = &ctx->mixer_res; unsigned long flags; struct hdmi_win_data *win_data; - unsigned int full_width, width, height; unsigned int x_ratio, y_ratio; unsigned int src_x_offset, src_y_offset, dst_x_offset, dst_y_offset; - unsigned int mode_width, mode_height; dma_addr_t dma_addr; unsigned int fmt; u32 val; @@ -510,26 +494,17 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) fmt = ARGB8888; } - dma_addr = win_data->dma_addr; - full_width = win_data->fb_width; - width = win_data->crtc_width; - height = win_data->crtc_height; - mode_width = win_data->mode_width; - mode_height = win_data->mode_height; - /* 2x scaling feature */ x_ratio = 0; y_ratio = 0; - src_x_offset = win_data->fb_x; - src_y_offset = win_data->fb_y; dst_x_offset = win_data->crtc_x; dst_y_offset = win_data->crtc_y; /* converting dma address base and source offset */ - dma_addr = dma_addr - + (src_x_offset * win_data->bpp >> 3) - + (src_y_offset * full_width * win_data->bpp >> 3); + dma_addr = win_data->dma_addr + + (win_data->fb_x * win_data->bpp >> 3) + + (win_data->fb_y * win_data->fb_width * win_data->bpp >> 3); src_x_offset = 0; src_y_offset = 0; @@ -546,10 +521,10 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) MXR_GRP_CFG_FORMAT_VAL(fmt), MXR_GRP_CFG_FORMAT_MASK); /* setup geometry */ - mixer_reg_write(res, MXR_GRAPHIC_SPAN(win), full_width); + mixer_reg_write(res, MXR_GRAPHIC_SPAN(win), win_data->fb_width); - val = MXR_GRP_WH_WIDTH(width); - val |= MXR_GRP_WH_HEIGHT(height); + val = MXR_GRP_WH_WIDTH(win_data->crtc_width); + val |= MXR_GRP_WH_HEIGHT(win_data->crtc_height); val |= MXR_GRP_WH_H_SCALE(x_ratio); val |= MXR_GRP_WH_V_SCALE(y_ratio); mixer_reg_write(res, MXR_GRAPHIC_WH(win), val); @@ -567,8 +542,8 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) /* set buffer address to mixer */ mixer_reg_write(res, MXR_GRAPHIC_BASE(win), dma_addr); - mixer_cfg_scan(ctx, mode_height); - mixer_cfg_rgb_fmt(ctx, mode_height); + mixer_cfg_scan(ctx, win_data->mode_height); + mixer_cfg_rgb_fmt(ctx, win_data->mode_height); mixer_cfg_layer(ctx, win, true); mixer_run(ctx); @@ -591,6 +566,116 @@ static void vp_win_reset(struct mixer_context *ctx) WARN(tries == 0, "failed to reset Video Processor\n"); } +static void mixer_win_reset(struct mixer_context *ctx) +{ + struct mixer_resources *res = &ctx->mixer_res; + unsigned long flags; + u32 val; /* value stored to register */ + + spin_lock_irqsave(&res->reg_slock, flags); + mixer_vsync_set_update(ctx, false); + + mixer_reg_writemask(res, MXR_CFG, MXR_CFG_DST_HDMI, MXR_CFG_DST_MASK); + + /* set output in RGB888 mode */ + mixer_reg_writemask(res, MXR_CFG, MXR_CFG_OUT_RGB888, MXR_CFG_OUT_MASK); + + /* 16 beat burst in DMA */ + mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST, + MXR_STATUS_BURST_MASK); + + /* setting default layer priority: layer1 > layer0 > video + * because typical usage scenario would be + * layer1 - OSD + * layer0 - framebuffer + * video - video overlay + */ + val = MXR_LAYER_CFG_GRP1_VAL(3); + val |= MXR_LAYER_CFG_GRP0_VAL(2); + val |= MXR_LAYER_CFG_VP_VAL(1); + mixer_reg_write(res, MXR_LAYER_CFG, val); + + /* setting background color */ + mixer_reg_write(res, MXR_BG_COLOR0, 0x008080); + mixer_reg_write(res, MXR_BG_COLOR1, 0x008080); + mixer_reg_write(res, MXR_BG_COLOR2, 0x008080); + + /* setting graphical layers */ + + val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ + val |= MXR_GRP_CFG_WIN_BLEND_EN; + val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ + + /* the same configuration for both layers */ + mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); + + val |= MXR_GRP_CFG_BLEND_PRE_MUL; + val |= MXR_GRP_CFG_PIXEL_BLEND_EN; + mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); + + /* configuration of Video Processor Registers */ + vp_win_reset(ctx); + vp_default_filter(res); + + /* disable all layers */ + mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_GRP0_ENABLE); + mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_GRP1_ENABLE); + mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE); + + mixer_vsync_set_update(ctx, true); + spin_unlock_irqrestore(&res->reg_slock, flags); +} + +static void mixer_poweron(struct mixer_context *ctx) +{ + struct mixer_resources *res = &ctx->mixer_res; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + mutex_lock(&ctx->mixer_mutex); + if (ctx->powered) { + mutex_unlock(&ctx->mixer_mutex); + return; + } + ctx->powered = true; + mutex_unlock(&ctx->mixer_mutex); + + pm_runtime_get_sync(ctx->dev); + + clk_enable(res->mixer); + clk_enable(res->vp); + clk_enable(res->sclk_mixer); + + mixer_reg_write(res, MXR_INT_EN, ctx->int_en); + mixer_win_reset(ctx); +} + +static void mixer_poweroff(struct mixer_context *ctx) +{ + struct mixer_resources *res = &ctx->mixer_res; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + mutex_lock(&ctx->mixer_mutex); + if (!ctx->powered) + goto out; + mutex_unlock(&ctx->mixer_mutex); + + ctx->int_en = mixer_reg_read(res, MXR_INT_EN); + + clk_disable(res->mixer); + clk_disable(res->vp); + clk_disable(res->sclk_mixer); + + pm_runtime_put_sync(ctx->dev); + + mutex_lock(&ctx->mixer_mutex); + ctx->powered = false; + +out: + mutex_unlock(&ctx->mixer_mutex); +} + static int mixer_enable_vblank(void *ctx, int pipe) { struct mixer_context *mixer_ctx = ctx; @@ -618,6 +703,27 @@ static void mixer_disable_vblank(void *ctx) mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } +static void mixer_dpms(void *ctx, int mode) +{ + struct mixer_context *mixer_ctx = ctx; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + switch (mode) { + case DRM_MODE_DPMS_ON: + mixer_poweron(mixer_ctx); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + mixer_poweroff(mixer_ctx); + break; + default: + DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); + break; + } +} + static void mixer_win_mode_set(void *ctx, struct exynos_drm_overlay *overlay) { @@ -643,7 +749,7 @@ static void mixer_win_mode_set(void *ctx, win = MIXER_DEFAULT_WIN; if (win < 0 || win > MIXER_WIN_NR) { - DRM_ERROR("overlay plane[%d] is wrong\n", win); + DRM_ERROR("mixer window[%d] is wrong\n", win); return; } @@ -665,6 +771,8 @@ static void mixer_win_mode_set(void *ctx, win_data->fb_y = overlay->fb_y; win_data->fb_width = overlay->fb_width; win_data->fb_height = overlay->fb_height; + win_data->src_width = overlay->src_width; + win_data->src_height = overlay->src_height; win_data->mode_width = overlay->mode_width; win_data->mode_height = overlay->mode_height; @@ -672,44 +780,26 @@ static void mixer_win_mode_set(void *ctx, win_data->scan_flags = overlay->scan_flag; } -static void mixer_win_commit(void *ctx, int zpos) +static void mixer_win_commit(void *ctx, int win) { struct mixer_context *mixer_ctx = ctx; - int win = zpos; DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); - if (win == DEFAULT_ZPOS) - win = MIXER_DEFAULT_WIN; - - if (win < 0 || win > MIXER_WIN_NR) { - DRM_ERROR("overlay plane[%d] is wrong\n", win); - return; - } - if (win > 1) vp_video_buffer(mixer_ctx, win); else mixer_graph_buffer(mixer_ctx, win); } -static void mixer_win_disable(void *ctx, int zpos) +static void mixer_win_disable(void *ctx, int win) { struct mixer_context *mixer_ctx = ctx; struct mixer_resources *res = &mixer_ctx->mixer_res; unsigned long flags; - int win = zpos; DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); - if (win == DEFAULT_ZPOS) - win = MIXER_DEFAULT_WIN; - - if (win < 0 || win > MIXER_WIN_NR) { - DRM_ERROR("overlay plane[%d] is wrong\n", win); - return; - } - spin_lock_irqsave(&res->reg_slock, flags); mixer_vsync_set_update(mixer_ctx, false); @@ -723,6 +813,7 @@ static struct exynos_mixer_ops mixer_ops = { /* manager */ .enable_vblank = mixer_enable_vblank, .disable_vblank = mixer_disable_vblank, + .dpms = mixer_dpms, /* overlay */ .win_mode_set = mixer_win_mode_set, @@ -773,7 +864,7 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg; struct mixer_context *ctx = drm_hdmi_ctx->ctx; struct mixer_resources *res = &ctx->mixer_res; - u32 val, val_base; + u32 val, base, shadow; spin_lock(&res->reg_slock); @@ -784,12 +875,14 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) if (val & MXR_INT_STATUS_VSYNC) { /* interlace scan need to check shadow register */ if (ctx->interlace) { - val_base = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0)); - if (ctx->win_data[0].dma_addr != val_base) + base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0)); + shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0)); + if (base != shadow) goto out; - val_base = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1)); - if (ctx->win_data[1].dma_addr != val_base) + base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1)); + shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1)); + if (base != shadow) goto out; } @@ -811,117 +904,6 @@ out: return IRQ_HANDLED; } -static void mixer_win_reset(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - unsigned long flags; - u32 val; /* value stored to register */ - - spin_lock_irqsave(&res->reg_slock, flags); - mixer_vsync_set_update(ctx, false); - - mixer_reg_writemask(res, MXR_CFG, MXR_CFG_DST_HDMI, MXR_CFG_DST_MASK); - - /* set output in RGB888 mode */ - mixer_reg_writemask(res, MXR_CFG, MXR_CFG_OUT_RGB888, MXR_CFG_OUT_MASK); - - /* 16 beat burst in DMA */ - mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST, - MXR_STATUS_BURST_MASK); - - /* setting default layer priority: layer1 > layer0 > video - * because typical usage scenario would be - * layer1 - OSD - * layer0 - framebuffer - * video - video overlay - */ - val = MXR_LAYER_CFG_GRP1_VAL(3); - val |= MXR_LAYER_CFG_GRP0_VAL(2); - val |= MXR_LAYER_CFG_VP_VAL(1); - mixer_reg_write(res, MXR_LAYER_CFG, val); - - /* setting background color */ - mixer_reg_write(res, MXR_BG_COLOR0, 0x008080); - mixer_reg_write(res, MXR_BG_COLOR1, 0x008080); - mixer_reg_write(res, MXR_BG_COLOR2, 0x008080); - - /* setting graphical layers */ - - val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ - val |= MXR_GRP_CFG_WIN_BLEND_EN; - val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ - - /* the same configuration for both layers */ - mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); - - val |= MXR_GRP_CFG_BLEND_PRE_MUL; - val |= MXR_GRP_CFG_PIXEL_BLEND_EN; - mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); - - /* configuration of Video Processor Registers */ - vp_win_reset(ctx); - vp_default_filter(res); - - /* disable all layers */ - mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_GRP0_ENABLE); - mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_GRP1_ENABLE); - mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE); - - mixer_vsync_set_update(ctx, true); - spin_unlock_irqrestore(&res->reg_slock, flags); -} - -static void mixer_resource_poweron(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - clk_enable(res->mixer); - clk_enable(res->vp); - clk_enable(res->sclk_mixer); - - mixer_win_reset(ctx); -} - -static void mixer_resource_poweroff(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - clk_disable(res->mixer); - clk_disable(res->vp); - clk_disable(res->sclk_mixer); -} - -static int mixer_runtime_resume(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_mixer_context(dev); - - DRM_DEBUG_KMS("resume - start\n"); - - mixer_resource_poweron(ctx->ctx); - - return 0; -} - -static int mixer_runtime_suspend(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_mixer_context(dev); - - DRM_DEBUG_KMS("suspend - start\n"); - - mixer_resource_poweroff(ctx->ctx); - - return 0; -} - -static const struct dev_pm_ops mixer_pm_ops = { - .runtime_suspend = mixer_runtime_suspend, - .runtime_resume = mixer_runtime_resume, -}; - static int __devinit mixer_resources_init(struct exynos_drm_hdmi_context *ctx, struct platform_device *pdev) { @@ -931,7 +913,6 @@ static int __devinit mixer_resources_init(struct exynos_drm_hdmi_context *ctx, struct resource *res; int ret; - mixer_res->dev = dev; spin_lock_init(&mixer_res->reg_slock); mixer_res->mixer = clk_get(dev, "mixer"); @@ -1027,7 +1008,6 @@ fail: clk_put(mixer_res->vp); if (!IS_ERR_OR_NULL(mixer_res->mixer)) clk_put(mixer_res->mixer); - mixer_res->dev = NULL; return ret; } @@ -1035,7 +1015,6 @@ static void mixer_resources_cleanup(struct mixer_context *ctx) { struct mixer_resources *res = &ctx->mixer_res; - disable_irq(res->irq); free_irq(res->irq, ctx); iounmap(res->vp_regs); @@ -1064,6 +1043,9 @@ static int __devinit mixer_probe(struct platform_device *pdev) return -ENOMEM; } + mutex_init(&ctx->mixer_mutex); + + ctx->dev = &pdev->dev; drm_hdmi_ctx->ctx = (void *)ctx; platform_set_drvdata(pdev, drm_hdmi_ctx); @@ -1076,7 +1058,7 @@ static int __devinit mixer_probe(struct platform_device *pdev) /* register specific callback point to common hdmi. */ exynos_mixer_ops_register(&mixer_ops); - mixer_resource_poweron(ctx); + pm_runtime_enable(dev); return 0; @@ -1095,12 +1077,27 @@ static int mixer_remove(struct platform_device *pdev) dev_info(dev, "remove successful\n"); - mixer_resource_poweroff(ctx); + pm_runtime_disable(&pdev->dev); + mixer_resources_cleanup(ctx); return 0; } +#ifdef CONFIG_PM_SLEEP +static int mixer_suspend(struct device *dev) +{ + struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev); + struct mixer_context *ctx = drm_hdmi_ctx->ctx; + + mixer_poweroff(ctx); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(mixer_pm_ops, mixer_suspend, NULL); + struct platform_driver mixer_driver = { .driver = { .name = "s5p-mixer", diff --git a/drivers/gpu/drm/exynos/regs-hdmi.h b/drivers/gpu/drm/exynos/regs-hdmi.h index 3c04bea842ce..9cc7c5e9718c 100644 --- a/drivers/gpu/drm/exynos/regs-hdmi.h +++ b/drivers/gpu/drm/exynos/regs-hdmi.h @@ -138,14 +138,16 @@ #define HDMI_ASP_MASK (1 << 2) #define HDMI_EN (1 << 0) +/* HDMI_CON_2 */ +#define HDMI_VID_PREAMBLE_DIS (1 << 5) +#define HDMI_GUARD_BAND_DIS (1 << 1) + /* HDMI_PHY_STATUS */ #define HDMI_PHY_STATUS_READY (1 << 0) /* HDMI_MODE_SEL */ #define HDMI_MODE_HDMI_EN (1 << 1) #define HDMI_MODE_DVI_EN (1 << 0) -#define HDMI_DVI_MODE_EN (1) -#define HDMI_DVI_MODE_DIS (0) #define HDMI_MODE_MASK (3 << 0) /* HDMI_TG_CMD */ |