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Date: Fri, 21 Dec 2012 13:39:16 +0200 From: Terje Bergstrom <tbergstrom@...dia.com> To: <thierry.reding@...onic-design.de>, <airlied@...ux.ie>, <dev@...xeye.de>, <dri-devel@...ts.freedesktop.org>, <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org> CC: Terje Bergstrom <tbergstrom@...dia.com> Subject: [PATCHv4 0/8] Support for Tegra 2D hardware This set of patches adds support for Tegra20 and Tegra30 host1x and 2D. It is based on linux-next-20121220. The fourth version has only few changes compared to previous version: * Fixed some sparse warnings * Fixed host1x Makefile to allow building as module * Fixed host1x module unload * Fixed tegradrm unload sequence * host1x creates DRM dummy device and tegradrm uses it for storing DRM related data. Some of the issues left open: * Register definitions still use static inline. There has been a debate about code style versus ability to use compiler type checking and code coverage analysis. There was no conclusion, so I left it as was. * Uses still CMA helpers. IOMMU support will replace CMA with host1x specific allocator. host1x is the driver that controls host1x hardware. It supports host1x command channels, synchronization, and memory management. It is sectioned into logical driver under drivers/gpu/host1x and physical driver under drivers/host1x/hw. The physical driver is compiled with the hardware headers of the particular host1x version. The hardware units are described (briefly) in the Tegra2 TRM. Wiki page https://gitorious.org/linux-tegra-drm/pages/Host1xIntroduction also contains a short description of the functionality. The patch set removes responsibility of host1x from tegradrm. At the same time, it moves all drm related infrastructure in drivers/gpu/drm/tegra/host1x.c to drm.c. To replace the host1x central device, host1x creates a dummy device for tegradrm to hang global data to. This is a break in responsibility split of tegradrm taking care of DRM and host1x driver taking care of host1x and clients, but this structure was insisted. I've kept creation of dummy device as a separate patch to illustrate the alternatives. It can be later squashed into other patches. The patch set adds 2D driver to tegradrm, which uses host1x for communicating with host1x to access sync points and channels. We expect to use the same infrastructure for other host1x clients, so we have kept host1x and tegradrm separate. The patch set also adds user space API to tegradrm for accessing host1x and 2D. Arto Merilainen (1): drm: tegra: Remove redundant host1x Terje Bergstrom (7): gpu: host1x: Add host1x driver gpu: host1x: Add syncpoint wait and interrupts gpu: host1x: Add channel support gpu: host1x: Add debug support ARM: tegra: Add board data and 2D clocks drm: tegra: Add gr2d device gpu: host1x: Register DRM dummy device arch/arm/mach-tegra/board-dt-tegra20.c | 1 + arch/arm/mach-tegra/board-dt-tegra30.c | 1 + arch/arm/mach-tegra/tegra20_clocks_data.c | 2 +- arch/arm/mach-tegra/tegra30_clocks_data.c | 1 + drivers/gpu/Makefile | 1 + drivers/gpu/drm/tegra/Kconfig | 2 +- drivers/gpu/drm/tegra/Makefile | 2 +- drivers/gpu/drm/tegra/dc.c | 26 +- drivers/gpu/drm/tegra/drm.c | 433 ++++++++++++++++++- drivers/gpu/drm/tegra/drm.h | 72 ++-- drivers/gpu/drm/tegra/fb.c | 17 +- drivers/gpu/drm/tegra/gr2d.c | 309 ++++++++++++++ drivers/gpu/drm/tegra/hdmi.c | 30 +- drivers/gpu/drm/tegra/host1x.c | 325 -------------- drivers/gpu/host1x/Kconfig | 28 ++ drivers/gpu/host1x/Makefile | 17 + drivers/gpu/host1x/cdma.c | 475 ++++++++++++++++++++ drivers/gpu/host1x/cdma.h | 107 +++++ drivers/gpu/host1x/channel.c | 137 ++++++ drivers/gpu/host1x/channel.h | 64 +++ drivers/gpu/host1x/cma.c | 117 +++++ drivers/gpu/host1x/cma.h | 43 ++ drivers/gpu/host1x/debug.c | 207 +++++++++ drivers/gpu/host1x/debug.h | 49 +++ drivers/gpu/host1x/dev.c | 242 +++++++++++ drivers/gpu/host1x/dev.h | 167 ++++++++ drivers/gpu/host1x/drm.c | 51 +++ drivers/gpu/host1x/drm.h | 25 ++ drivers/gpu/host1x/hw/Makefile | 6 + drivers/gpu/host1x/hw/cdma_hw.c | 480 +++++++++++++++++++++ drivers/gpu/host1x/hw/cdma_hw.h | 37 ++ drivers/gpu/host1x/hw/channel_hw.c | 147 +++++++ drivers/gpu/host1x/hw/debug_hw.c | 399 +++++++++++++++++ drivers/gpu/host1x/hw/host1x01.c | 46 ++ drivers/gpu/host1x/hw/host1x01.h | 25 ++ drivers/gpu/host1x/hw/host1x01_hardware.h | 150 +++++++ drivers/gpu/host1x/hw/hw_host1x01_channel.h | 98 +++++ drivers/gpu/host1x/hw/hw_host1x01_sync.h | 179 ++++++++ drivers/gpu/host1x/hw/hw_host1x01_uclass.h | 130 ++++++ drivers/gpu/host1x/hw/intr_hw.c | 178 ++++++++ drivers/gpu/host1x/hw/syncpt_hw.c | 157 +++++++ drivers/gpu/host1x/intr.c | 377 ++++++++++++++++ drivers/gpu/host1x/intr.h | 106 +++++ drivers/gpu/host1x/job.c | 618 +++++++++++++++++++++++++++ drivers/gpu/host1x/memmgr.c | 174 ++++++++ drivers/gpu/host1x/memmgr.h | 53 +++ drivers/gpu/host1x/syncpt.c | 398 +++++++++++++++++ drivers/gpu/host1x/syncpt.h | 134 ++++++ drivers/video/Kconfig | 2 + include/drm/tegra_drm.h | 131 ++++++ include/linux/host1x.h | 217 ++++++++++ include/trace/events/host1x.h | 296 +++++++++++++ 52 files changed, 7095 insertions(+), 394 deletions(-) create mode 100644 drivers/gpu/drm/tegra/gr2d.c delete mode 100644 drivers/gpu/drm/tegra/host1x.c create mode 100644 drivers/gpu/host1x/Kconfig create mode 100644 drivers/gpu/host1x/Makefile create mode 100644 drivers/gpu/host1x/cdma.c create mode 100644 drivers/gpu/host1x/cdma.h create mode 100644 drivers/gpu/host1x/channel.c create mode 100644 drivers/gpu/host1x/channel.h create mode 100644 drivers/gpu/host1x/cma.c create mode 100644 drivers/gpu/host1x/cma.h create mode 100644 drivers/gpu/host1x/debug.c create mode 100644 drivers/gpu/host1x/debug.h create mode 100644 drivers/gpu/host1x/dev.c create mode 100644 drivers/gpu/host1x/dev.h create mode 100644 drivers/gpu/host1x/drm.c create mode 100644 drivers/gpu/host1x/drm.h create mode 100644 drivers/gpu/host1x/hw/Makefile create mode 100644 drivers/gpu/host1x/hw/cdma_hw.c create mode 100644 drivers/gpu/host1x/hw/cdma_hw.h create mode 100644 drivers/gpu/host1x/hw/channel_hw.c create mode 100644 drivers/gpu/host1x/hw/debug_hw.c create mode 100644 drivers/gpu/host1x/hw/host1x01.c create mode 100644 drivers/gpu/host1x/hw/host1x01.h create mode 100644 drivers/gpu/host1x/hw/host1x01_hardware.h create mode 100644 drivers/gpu/host1x/hw/hw_host1x01_channel.h create mode 100644 drivers/gpu/host1x/hw/hw_host1x01_sync.h create mode 100644 drivers/gpu/host1x/hw/hw_host1x01_uclass.h create mode 100644 drivers/gpu/host1x/hw/intr_hw.c create mode 100644 drivers/gpu/host1x/hw/syncpt_hw.c create mode 100644 drivers/gpu/host1x/intr.c create mode 100644 drivers/gpu/host1x/intr.h create mode 100644 drivers/gpu/host1x/job.c create mode 100644 drivers/gpu/host1x/memmgr.c create mode 100644 drivers/gpu/host1x/memmgr.h create mode 100644 drivers/gpu/host1x/syncpt.c create mode 100644 drivers/gpu/host1x/syncpt.h create mode 100644 include/drm/tegra_drm.h create mode 100644 include/linux/host1x.h create mode 100644 include/trace/events/host1x.h -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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