1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/pkg/devices/lib/lcd/include/lcd-jz4780.h Sat Jun 06 01:22:18 2020 +0200
1.3 @@ -0,0 +1,71 @@
1.4 +/*
1.5 + * LCD peripheral support for the JZ4780 and related SoCs.
1.6 + *
1.7 + * Copyright (C) 2018, 2020 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#pragma once
1.26 +
1.27 +#include "lcd-jz4740.h"
1.28 +
1.29 +
1.30 +
1.31 +/* C++ language interface. */
1.32 +
1.33 +#ifdef __cplusplus
1.34 +
1.35 +#include <l4/devices/hw_mmio_register_block.h>
1.36 +
1.37 +class Lcd_jz4780_chip : public Lcd_jz4740_chip
1.38 +{
1.39 +protected:
1.40 + /* Priority level threshold value calculation. */
1.41 +
1.42 + uint32_t _priority_transfer();
1.43 +
1.44 + /* Position value calculation. */
1.45 +
1.46 + uint32_t _position_bpp();
1.47 +
1.48 + /* Descriptor initialisation. */
1.49 +
1.50 + void _set_descriptor(struct Jz4740_lcd_descriptor &desc, l4_addr_t source,
1.51 + l4_size_t size, struct Jz4740_lcd_descriptor *next,
1.52 + uint32_t flags = 0, bool frame_enable = true);
1.53 +
1.54 +public:
1.55 + Lcd_jz4780_chip(l4_addr_t addr, Jz4740_lcd_panel *panel);
1.56 +
1.57 + /* Configuration. */
1.58 +
1.59 + void config(struct Jz4740_lcd_descriptor *desc_vaddr,
1.60 + struct Jz4740_lcd_descriptor *desc_paddr,
1.61 + l4_addr_t fb_paddr);
1.62 +};
1.63 +
1.64 +#endif
1.65 +
1.66 +
1.67 +
1.68 +/* C language interface mainly provided by jz4740_lcd functions. */
1.69 +
1.70 +EXTERN_C_BEGIN
1.71 +
1.72 +void *jz4780_lcd_init(l4_addr_t lcd_base, struct Jz4740_lcd_panel *panel);
1.73 +
1.74 +EXTERN_C_END