mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 03:34:46 +07:00
45d59d7040
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>
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
|
|
* 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__ */
|