diff options
Diffstat (limited to 'libdrm')
| -rw-r--r-- | libdrm/xf86drmMode.c | 407 | ||||
| -rw-r--r-- | libdrm/xf86drmMode.h | 290 |
2 files changed, 697 insertions, 0 deletions
diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c new file mode 100644 index 00000000..b48ca838 --- /dev/null +++ b/libdrm/xf86drmMode.c @@ -0,0 +1,407 @@ +/* + * \file xf86drmMode.c + * Header for DRM modesetting interface. + * + * \author Jakob Bornecrantz <wallbraker@gmail.com> + * + * \par Acknowledgements: + * Feb 2007, Dave Airlie <airlied@linux.ie> + */ + +/* + * Copyright (c) <year> <copyright holders> + * + * 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 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 THE + * AUTHORS OR COPYRIGHT HOLDERS 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. + * + */ + +/* + * TODO the types we are after are defined in diffrent headers on diffrent + * platforms find which headers to include to get uint32_t + */ +#include <stdint.h> + +#include "xf86drmMode.h" +#include "xf86drm.h" +#include <drm.h> + +/* + * Util functions + */ + +void* drmAllocCpy(void *array, int count, int entry_size) +{ + char *r; + int i; + + if (!count || !array || !entry_size) + return 0; + + if (!(r = drmMalloc(count*entry_size))) + return 0; + + for (i = 0; i < count; i++) + memcpy(r+(entry_size*i), array+(entry_size*i), entry_size); + + return r; +} + +/** + * Generate crtc and output ids. + * + * Will generate ids starting from 1 up to count if count is greater then 0. + */ +static uint32_t* drmAllocGenerate(int count) +{ + uint32_t *r; + int i; + + if(0 <= count) + return 0; + + if (!(r = drmMalloc(count*sizeof(*r)))) + return 0; + + for (i = 0; i < count; r[i] = ++i); + + return 0; +} + +/* + * A couple of free functions. + */ + +void drmModeFreeModeInfo(struct drm_mode_modeinfo *ptr) +{ + if (!ptr) + return; + + drmFree(ptr); +} + +void drmModeFreeResources(drmModeResPtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr->modes); + drmFree(ptr); + +} + +void drmModeFreeFrameBuffer(drmModeFrameBufferPtr ptr) +{ + if (!ptr) + return; + + /* we might add more frees later. */ + drmFree(ptr); +} + +void drmModeFreeCrtc(drmModeCrtcPtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr); + +} + +void drmModeFreeOutput(drmModeOutputPtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr->modes); + drmFree(ptr); + +} + +/* + * ModeSetting functions. + */ + +drmModeResPtr drmModeGetResources(int fd) +{ + struct drm_mode_card_res res; + int i; + drmModeResPtr r = 0; + + res.count_crtcs = 0; + res.count_outputs = 0; + res.count_modes = 0; + res.modes = 0; + + if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) + return 0; + + if (res.count_crtcs) + res.crtc_id = drmMalloc(res.count_crtcs*sizeof(uint32_t)); + if (res.count_outputs) + res.output_id = drmMalloc(res.count_outputs*sizeof(uint32_t)); + if (res.count_modes) + res.modes = drmMalloc(res.count_modes*sizeof(*res.modes)); + + if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) + goto err_allocs; + + /* + * return + */ + + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->frameBufferId = res.fb_id; + r->count_crtcs = res.count_crtcs; + r->count_outputs = res.count_outputs; + r->count_modes = res.count_modes; + /* TODO we realy should test if these allocs fails. */ + r->crtcs = drmAllocCpy(res.crtc_id, res.count_crtcs, sizeof(uint32_t)); + r->outputs = drmAllocCpy(res.output_id, res.count_outputs, sizeof(uint32_t)); + r->modes = drmAllocCpy(res.modes, res.count_modes, sizeof(struct drm_mode_modeinfo)); + + drmFree(res.crtc_id); + drmFree(res.output_id); + drmFree(res.modes); + + return r; + +err_allocs: + drmFree(res.crtc_id); + drmFree(res.output_id); + drmFree(res.modes); + + return 0; +} + +#if 0 +int drmModeForceProbe(int fd, uint32_t outputId) +{ + /* TODO impl/keep? */ +} + +drmModeFrameBufferPtr drmModeGetFrameBuffer(int fd, uint32_t buf) +{ +// struct drm_mode_fb_cmd info; + drmModeFrameBufferPtr r; + + // if (ioctl(fd, DRM_IOCTL_MODE_GETFRAMEBUFFER, &info)) + return 0; + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + /* TODO change to new code + r->minWidth = info.minWidth; + r->maxWidth = info.maxWidth; + r->minHeight = info.minHeight; + r->maxHeight = info.maxHeight;*/ + + return r; +} + +uint32_t drmModeNewFrameBuffer(int fd, uint32_t width, uint32_t height, + uint8_t bpp, uint32_t pitch, drmBO *bo) +{ + drm_mode_fb_cmd_t f; + + f.handle = bo->handle; + f.width = width; + f.height = height; + f.pitch = pitch; + + // if (ioctl(fd, DRM_IOCTL_MODE_NEWFRAMEBUFFER, &f)) + return 0; + + return f.bufferId; +} + +int drmModeDesFrameBuffer(int fd, uint32_t bufferId) +{ + // return ioctl(fd, DRM_IOCTL_MODE_DESFRAMEBUFFER, bufferId); +} + +#endif +/* + * Crtc function. + */ + +drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId) +{ + struct drm_mode_crtc crtc; + drmModeCrtcPtr r; + int i = 0; + + crtc.count_outputs = 0; + crtc.outputs = 0; + crtc.count_possibles = 0; + crtc.possibles = 0; + crtc.crtc_id = crtcId; + + if (ioctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc)) + return 0; + + /* + * return + */ + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->x = crtc.x; + r->y = crtc.y; + r->mode = crtc.mode; +// r->width = crtc.width; +// r->height = crtc.height; + r->bufferId = crtc.fb_id; + r->gamma_size = crtc.gamma_size; + r->count_outputs = crtc.count_outputs; + r->count_possibles = crtc.count_possibles; + /* TODO we realy should test if these alloc & cpy fails. */ + r->outputs = crtc.outputs; + r->possibles = crtc.possibles; + + return r; + +err_allocs: + + return 0; +} + +#if 0 +int drmModeSetCrtc( + int fd, uint32_t crtcId, uint32_t bufferId, + uint32_t x, uint32_t y, uint32_t modeId, + uint32_t *outputs, int count + ) +{ + struct drm_mode_crtc crtc; + + crtc.count_outputs = 0; + crtc.outputs = 0; + crtc.count_possibles = 0; + crtc.possibles = 0; + + crtc.x = x; + crtc.y = y; + crtc.crtcId = crtcId; + crtc.bufferId = bufferId; + crtc.set_outputs = outputs; + crtc.count_outputs = count; + crtc.mode = modeId; + + // return ioctl(fd, DRM_IOCTL_MODE_SETCRTC, &crtc); +} + +drmModeGammaTriplePtr drmModeGetCrtcGamma(int fd, uint32_t crtc, int *count) +{ + /* TODO impl */ +} + +int drmModeSetCrtcGamma(int fd, uint32_t crtcId, + drmModeGammaTriplePtr ptr, int count) +{ + /* TODO impl */ +} + +#endif +/* + * Output manipulation + */ +drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id) +{ + struct drm_mode_get_output out; + drmModeOutputPtr r = 0; + + out.output = output_id; + out.count_crtcs = 0; + out.crtcs = 0; + out.count_clones = 0; + out.clones = 0; + out.count_modes = 0; + out.modes = 0; + + if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out)) + return 0; + + if (out.count_modes) + out.modes = drmMalloc(out.count_modes*sizeof(uint32_t)); + + if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out)) + goto err_allocs; + + if(!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->connection = out.connection; + r->mmWidth = out.mm_width; + r->mmHeight = out.mm_height; + r->subpixel = out.subpixel; + r->count_crtcs = out.count_crtcs; + r->count_clones = out.count_clones; + r->count_modes = out.count_modes; + /* TODO we should test if these alloc & cpy fails. */ + r->crtcs = out.crtcs; + r->clones = out.clones; + r->modes = drmAllocCpy(out.modes, out.count_modes, sizeof(uint32_t)); + + return r; + +err_allocs: + drmFree(out.modes); + + return 0; +} + +#if 0 +uint32_t drmModeNewMode(int fd, struct drm_mode_modeinfo *modeInfo) +{ + /* TODO impl */ +} + +int drmModeDesMode(int fd, uint32_t modeId) +{ + // return ioctl(fd, DRM_IOCTL_MODE_DESMODE, modeId); +} + +int drmModeAddMode(int fd, uint32_t outputId, uint32_t modeId) +{ + + drm_mode_outputmode_t res; + + res.outputId = outputId; + res.modeId = modeId; + + // return ioctl(fd, DRM_IOCTL_MODE_ADDMODE, &res); +} + +int drmModeDelMode(int fd, uint32_t outputId, uint32_t modeId) +{ + drm_mode_outputmode_t res; + + res.outputId = outputId; + res.modeId = modeId; + + // return ioctl(fd, DRM_IOCTL_MODE_DELMODE, &res); +} + +#endif + diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h new file mode 100644 index 00000000..c027a16d --- /dev/null +++ b/libdrm/xf86drmMode.h @@ -0,0 +1,290 @@ +/* + * \file xf86drmMode.h + * Header for DRM modesetting interface. + * + * \author Jakob Bornecrantz <wallbraker@gmail.com> + * + * \par Acknowledgements: + * Feb 2007, Dave Airlie <airlied@linux.ie> + */ + +/* + * Copyright (c) <year> <copyright holders> + * + * 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 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 THE + * AUTHORS OR COPYRIGHT HOLDERS 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 <drm.h> +#include "xf86mm.h" + +/* + * This is the interface for modesetting for drm. + * + * In order to use this interface you must include either <stdint.h> or another + * header defining uint32_t, int32_t and uint16_t. + * + * It aims to provide a randr compatible interface for modesettings in the + * kernel, the interface is also ment to be used by libraries like EGL. + * + * More information can be found in randrproto.txt which can be found here: + * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git + * + * All framebuffer, crtc and output ids start at 1 while 0 is either an invalid + * parameter or used to indicate that the command should disconnect from the + * currently bound target, as with drmModeMapOutput. + * + * Currently only one framebuffer exist and has a id of 1, which is also the + * default framebuffer and should allways be avaible to the client, unless + * it is locked/used or any other limiting state is applied on it. + * + */ + +typedef struct _drmModeGammaTriple { + uint16_t r, g, b; +} drmModeGammaTriple, *drmModeGammaTriplePtr; + +typedef struct _drmModeRes { + + uint32_t frameBufferId; + + int count_crtcs; + uint32_t *crtcs; + + int count_outputs; + uint32_t *outputs; + + int count_modes; + struct drm_mode_modeinfo *modes; + +} drmModeRes, *drmModeResPtr; + +typedef struct _drmModeFrameBuffer { + + uint32_t minWidth, maxWidth; + uint32_t minHeight, maxHeight; + +} drmModeFrameBuffer, *drmModeFrameBufferPtr; + +typedef struct _drmModeCrtc { + + unsigned int bufferId; /**< Buffer currently connected to */ + + uint32_t x, y; /**< Position on the frameuffer */ + uint32_t width, height; + uint32_t mode; /**< Current mode used */ + + int count_outputs; + uint32_t outputs; /**< Outputs that are connected */ + + int count_possibles; + uint32_t possibles; /**< Outputs that can be connected */ + + int gamma_size; /**< Number of gamma stops */ + +} drmModeCrtc, *drmModeCrtcPtr; + +typedef enum { + DRM_MODE_CONNECTED = 1, + DRM_MODE_DISCONNECTED = 2, + DRM_MODE_UNKNOWNCONNECTION = 3 +} drmModeConnection; + +typedef enum { + DRM_MODE_SUBPIXEL_UNKNOWN = 1, + DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2, + DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3, + DRM_MODE_SUBPIXEL_VERTICAL_RGB = 4, + DRM_MODE_SUBPIXEL_VERTICAL_BGR = 5, + DRM_MODE_SUBPIXEL_NONE = 6 +} drmModeSubPixel; + +typedef struct _drmModeOutput { + + unsigned int crtc; /**< Crtc currently connected to */ + + drmModeConnection connection; + uint32_t mmWidth, mmHeight; /**< HxW in millimeters */ + drmModeSubPixel subpixel; + + int count_crtcs; + uint32_t crtcs; /**< Possible crtc to connect to */ + + int count_clones; + uint32_t clones; /**< Mask of clones */ + + int count_modes; + uint32_t *modes; /**< List of modes ids */ + +} drmModeOutput, *drmModeOutputPtr; + +/* + * RRSetScreenConfig o + * RRGetScreenInfo o + * + * RRGetScreenSizeRange - see frameBuffer info + * RRSetScreenSize + * RRGetScreenResources + * + * RRGetOutputInfo + * + * RRListOutputProperties * + * RRQueryOutputProperty * + * RRConfigureOutputProperty * + * RRChangeOutputProperty * + * RRDeleteOutputProperty * + * RRGetOutputProperty * + * + * RRCreateMode + * RRDestroyMode + * RRAddOutputMode + * RRDeleteOutputMode + * + * RRGetCrtcInfo + * RRSetCrtcConfig + * + * RRGetCrtcGammaSize - see crtc info + * RRGetCrtcGamma + * RRSetCrtcGamma + * + * drmModeGetResources + * drmModeForceProbe + * + * drmModeGetFrameBufferInfo + * drmModeSetFrameBufferSize + * + * drmModeGetCrtcInfo + * drmModeSetCrtcConfig + * drmModeGetCrtcGamma + * drmModeSetCrtcGamma + * + * drmModeGetOutputInfo + * + * drmModeAddMode + * drmModeDestroyMode + * drmModeAddOutputMode + * drmModeDeleteOutputMode + */ + +extern void drmModeFreeModeInfo( struct drm_mode_modeinfo *ptr ); +extern void drmModeFreeResources( drmModeResPtr ptr ); +extern void drmModeFreeFrameBuffer( drmModeFrameBufferPtr ptr ); +extern void drmModeFreeCrtc( drmModeCrtcPtr ptr ); +extern void drmModeFreeOutput( drmModeOutputPtr ptr ); + +/** + * Retrives all of the resources associated with a card. + */ +extern drmModeResPtr drmModeGetResources(int fd); + +/** + * Forces a probe of the give output outputId, on 0 all will be probed. + */ +extern int drmModeForceProbe(int fd, uint32_t outputId); + + +/* + * FrameBuffer manipulation. + */ + +/** + * Retrive information about framebuffer bufferId + */ +extern drmModeFrameBufferPtr drmModeGetFramebuffer(int fd, + uint32_t bufferId); + +/** + * Creates a new framebuffer with an buffer object as its scanout buffer. + */ +extern uint32_t drmModeNewFrameBuffer(int fd, + uint32_t width, uint32_t height, + uint8_t bbp, uint32_t pitch, drmBO *bo); + +/** + * Destroies the given framebuffer. + */ +extern int drmModeDesFrameBuffer(int fd, uint32_t bufferId); + +/** + * Changes the scanout buffer to the given buffer object. + */ +extern int drmModeFlipFrameBuffer(int fd, uint32_t bufferId, drmBO *bo); + +/* + * Crtc function. + */ + +/** + * Retrive information about the ctrt crtcId + */ +extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId); + +/** + * Set the mode on a crtc crtcId with the given mode modeId. + */ +extern int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, + uint32_t x, uint32_t y, uint32_t modeId, + uint32_t *outputs, int count); + +/** + * Gets the gamma from a crtc + */ +extern drmModeGammaTriplePtr drmModeGetCrtcGamma(int fd, uint32_t crtcId, + int *count); + +/** + * Sets the gamma on a crtc + */ +extern int drmModeSetCrtcGamma(int fd, uint32_t crtcId, + drmModeGammaTriplePtr ptr, int count); + + + +/* + * Output manipulation + */ + +/** + * Retrive information about the output outputId. + */ +extern drmModeOutputPtr drmModeGetOutput(int fd, + uint32_t outputId); + +/** + * Creates a new mode from the given mode info. + * Name must be unique. + */ +extern uint32_t drmModeNewMode(int fd, struct drm_mode_modeinfo *modeInfo); + +/** + * Destroys a mode created with CreateMode, must be unused. + */ +extern int drmModeDesMode(int fd, uint32_t modeId); + +/** + * Adds the given mode to an output. + */ +extern int drmModeAddMode(int fd, uint32_t outputId, uint32_t modeId); + +/** + * Deletes a mode Added with AddOutputMode from the output, + * must be unused, by the given mode. + */ +extern int drmModeDelMode(int fd, uint32_t outputId, uint32_t modeId); + |