diff options
| author | Marek Vasut <marex@denx.de> | 2016-08-18 21:23:01 +0300 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2016-12-06 05:02:26 +0300 |
| commit | 45d59d704080cc0c914b7cff24ccf19f12b9ce23 (patch) | |
| tree | 5c0f661aa30b7c9c1e919604d187ebf246a81dd2 /drivers/gpu/drm/mxsfb/mxsfb_drv.h | |
| parent | 7b920aae917da3486f0084fd1b77b2f59f521309 (diff) | |
| download | linux-45d59d704080cc0c914b7cff24ccf19f12b9ce23.tar.xz | |
drm: Add new driver for MXSFB controller
Add new driver for the MXSFB controller found in i.MX23/28/6SX .
The MXSFB controller is a simple framebuffer controller with one
parallel LCD output. Unlike the MXSFB fbdev driver that is used
on these systems now, this driver uses the DRM/KMS framework.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/mxsfb/mxsfb_drv.h')
| -rw-r--r-- | drivers/gpu/drm/mxsfb/mxsfb_drv.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.h b/drivers/gpu/drm/mxsfb/mxsfb_drv.h new file mode 100644 index 000000000000..5d0883fc805b --- /dev/null +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2016 Marek Vasut <marex@denx.de> + * + * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver. + * + * 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. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MXSFB_DRV_H__ +#define __MXSFB_DRV_H__ + +struct mxsfb_devdata { + unsigned int transfer_count; + unsigned int cur_buf; + unsigned int next_buf; + unsigned int debug0; + unsigned int hs_wdth_mask; + unsigned int hs_wdth_shift; + unsigned int ipversion; +}; + +struct mxsfb_drm_private { + const struct mxsfb_devdata *devdata; + + void __iomem *base; /* registers */ + struct clk *clk; + struct clk *clk_axi; + struct clk *clk_disp_axi; + + struct drm_simple_display_pipe pipe; + struct drm_connector connector; + struct drm_panel *panel; + struct drm_fbdev_cma *fbdev; +}; + +int mxsfb_setup_crtc(struct drm_device *dev); +int mxsfb_create_output(struct drm_device *dev); + +void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb); +void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb); + +void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb); +void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb); +void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb, + struct drm_plane_state *state); + +#endif /* __MXSFB_DRV_H__ */ |