diff options
Diffstat (limited to 'drivers/gpu/drm/shmobile/shmob_drm_kms.c')
| -rw-r--r-- | drivers/gpu/drm/shmobile/shmob_drm_kms.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/shmobile/shmob_drm_kms.c deleted file mode 100644 index fc0ef0ca7d04..000000000000 --- a/drivers/gpu/drm/shmobile/shmob_drm_kms.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * shmob_drm_kms.c -- SH Mobile DRM Mode Setting - * - * Copyright (C) 2012 Renesas Corporation - * - * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <drm/drmP.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_cma_helper.h> -#include <drm/drm_gem_cma_helper.h> - -#include <video/sh_mobile_meram.h> - -#include "shmob_drm_crtc.h" -#include "shmob_drm_drv.h" -#include "shmob_drm_kms.h" -#include "shmob_drm_regs.h" - -/* ----------------------------------------------------------------------------- - * Format helpers - */ - -static const struct shmob_drm_format_info shmob_drm_format_infos[] = { - { - .fourcc = DRM_FORMAT_RGB565, - .bpp = 16, - .yuv = false, - .lddfr = LDDFR_PKF_RGB16, - .meram = SH_MOBILE_MERAM_PF_RGB, - }, { - .fourcc = DRM_FORMAT_RGB888, - .bpp = 24, - .yuv = false, - .lddfr = LDDFR_PKF_RGB24, - .meram = SH_MOBILE_MERAM_PF_RGB, - }, { - .fourcc = DRM_FORMAT_ARGB8888, - .bpp = 32, - .yuv = false, - .lddfr = LDDFR_PKF_ARGB32, - .meram = SH_MOBILE_MERAM_PF_RGB, - }, { - .fourcc = DRM_FORMAT_NV12, - .bpp = 12, - .yuv = true, - .lddfr = LDDFR_CC | LDDFR_YF_420, - .meram = SH_MOBILE_MERAM_PF_NV, - }, { - .fourcc = DRM_FORMAT_NV21, - .bpp = 12, - .yuv = true, - .lddfr = LDDFR_CC | LDDFR_YF_420, - .meram = SH_MOBILE_MERAM_PF_NV, - }, { - .fourcc = DRM_FORMAT_NV16, - .bpp = 16, - .yuv = true, - .lddfr = LDDFR_CC | LDDFR_YF_422, - .meram = SH_MOBILE_MERAM_PF_NV, - }, { - .fourcc = DRM_FORMAT_NV61, - .bpp = 16, - .yuv = true, - .lddfr = LDDFR_CC | LDDFR_YF_422, - .meram = SH_MOBILE_MERAM_PF_NV, - }, { - .fourcc = DRM_FORMAT_NV24, - .bpp = 24, - .yuv = true, - .lddfr = LDDFR_CC | LDDFR_YF_444, - .meram = SH_MOBILE_MERAM_PF_NV24, - }, { - .fourcc = DRM_FORMAT_NV42, - .bpp = 24, - .yuv = true, - .lddfr = LDDFR_CC | LDDFR_YF_444, - .meram = SH_MOBILE_MERAM_PF_NV24, - }, -}; - -const struct shmob_drm_format_info *shmob_drm_format_info(u32 fourcc) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(shmob_drm_format_infos); ++i) { - if (shmob_drm_format_infos[i].fourcc == fourcc) - return &shmob_drm_format_infos[i]; - } - - return NULL; -} - -/* ----------------------------------------------------------------------------- - * Frame buffer - */ - -static struct drm_framebuffer * -shmob_drm_fb_create(struct drm_device *dev, struct drm_file *file_priv, - struct drm_mode_fb_cmd2 *mode_cmd) -{ - const struct shmob_drm_format_info *format; - - format = shmob_drm_format_info(mode_cmd->pixel_format); - if (format == NULL) { - dev_dbg(dev->dev, "unsupported pixel format %08x\n", - mode_cmd->pixel_format); - return ERR_PTR(-EINVAL); - } - - if (mode_cmd->pitches[0] & 7 || mode_cmd->pitches[0] >= 65536) { - dev_dbg(dev->dev, "invalid pitch value %u\n", - mode_cmd->pitches[0]); - return ERR_PTR(-EINVAL); - } - - if (format->yuv) { - unsigned int chroma_cpp = format->bpp == 24 ? 2 : 1; - - if (mode_cmd->pitches[1] != mode_cmd->pitches[0] * chroma_cpp) { - dev_dbg(dev->dev, - "luma and chroma pitches do not match\n"); - return ERR_PTR(-EINVAL); - } - } - - return drm_fb_cma_create(dev, file_priv, mode_cmd); -} - -static const struct drm_mode_config_funcs shmob_drm_mode_config_funcs = { - .fb_create = shmob_drm_fb_create, -}; - -int shmob_drm_modeset_init(struct shmob_drm_device *sdev) -{ - drm_mode_config_init(sdev->ddev); - - shmob_drm_crtc_create(sdev); - shmob_drm_encoder_create(sdev); - shmob_drm_connector_create(sdev, &sdev->encoder.encoder); - - drm_kms_helper_poll_init(sdev->ddev); - - sdev->ddev->mode_config.min_width = 0; - sdev->ddev->mode_config.min_height = 0; - sdev->ddev->mode_config.max_width = 4095; - sdev->ddev->mode_config.max_height = 4095; - sdev->ddev->mode_config.funcs = &shmob_drm_mode_config_funcs; - - drm_helper_disable_unused_functions(sdev->ddev); - - return 0; -} |