paul@15 | 1 | /* |
paul@15 | 2 | * Ben NanoNote LCD initialisation, based on uboot-xburst and xburst-tools. |
paul@15 | 3 | * |
paul@33 | 4 | * Copyright (C) 2001-2002 Wolfgang Denk, DENX Software Engineering, <wd@denx.de> |
paul@90 | 5 | * Copyright (C) 2015, 2016 Paul Boddie <paul@boddie.org.uk> |
paul@15 | 6 | * |
paul@63 | 7 | * This program is free software: you can redistribute it and/or modify |
paul@63 | 8 | * it under the terms of the GNU General Public License as published by |
paul@63 | 9 | * the Free Software Foundation, either version 3 of the License, or |
paul@63 | 10 | * (at your option) any later version. |
paul@15 | 11 | * |
paul@63 | 12 | * This program is distributed in the hope that it will be useful, |
paul@63 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
paul@63 | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
paul@63 | 15 | * GNU General Public License for more details. |
paul@15 | 16 | * |
paul@63 | 17 | * You should have received a copy of the GNU General Public License |
paul@63 | 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
paul@15 | 19 | */ |
paul@15 | 20 | |
paul@34 | 21 | #ifdef CONFIG_CPU_JZ4730_MINIPC |
paul@34 | 22 | #include "minipc_claa070vc01.h" |
paul@40 | 23 | #include "minipc.h" |
paul@34 | 24 | #else |
paul@34 | 25 | #include "nanonote_gpm940b0.h" |
paul@40 | 26 | #include "nanonote.h" |
paul@34 | 27 | #endif |
paul@34 | 28 | |
paul@15 | 29 | #include "xburst_types.h" |
paul@33 | 30 | #include "jzlcd.h" |
paul@33 | 31 | #include "sdram.h" |
paul@33 | 32 | #include "board.h" |
paul@15 | 33 | |
paul@40 | 34 | extern vidinfo_t panel_info; |
paul@95 | 35 | static unsigned long lcd_base; |
paul@68 | 36 | |
paul@100 | 37 | static unsigned int get_line_length() |
paul@100 | 38 | { |
paul@100 | 39 | return ALIGN((panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8, sizeof(u32)); |
paul@100 | 40 | } |
paul@100 | 41 | |
paul@100 | 42 | static u32 *get_pixel32(unsigned short h, unsigned short v) |
paul@68 | 43 | { |
paul@100 | 44 | return (u32 *) (lcd_base + v * get_line_length()) + h; |
paul@100 | 45 | } |
paul@68 | 46 | |
paul@100 | 47 | static u16 *get_pixel16(unsigned short h, unsigned short v) |
paul@100 | 48 | { |
paul@100 | 49 | return (u16 *) (lcd_base + v * get_line_length()) + h; |
paul@100 | 50 | } |
paul@100 | 51 | |
paul@101 | 52 | static u8 *get_pixel8(unsigned short h, unsigned short v) |
paul@101 | 53 | { |
paul@101 | 54 | return (u8 *) (lcd_base + v * get_line_length()) + h; |
paul@101 | 55 | } |
paul@101 | 56 | |
paul@101 | 57 | static unsigned long pixel(unsigned short h, unsigned short v, u8 rmax, u8 gmax, u8 bmax, u8 rshift, u8 gshift, u8 bshift) |
paul@100 | 58 | { |
paul@100 | 59 | unsigned short v_max = panel_info.vl_row; |
paul@100 | 60 | unsigned short h_max = panel_info.vl_col; |
paul@100 | 61 | |
paul@101 | 62 | return (((rmax * (h_max - h - 1)) / h_max) << rshift) | |
paul@101 | 63 | ((((gmax * h) / (h_max - 1) + (gmax * (v_max - v - 1)) / v_max) / 2) << gshift) | |
paul@101 | 64 | (((bmax * v) / (v_max - 1)) << bshift); |
paul@101 | 65 | } |
paul@101 | 66 | |
paul@101 | 67 | static void test_pixel32(unsigned short h, unsigned short v) |
paul@101 | 68 | { |
paul@101 | 69 | u32 *pix = get_pixel32(h, v); |
paul@101 | 70 | *pix = (u32) pixel(h, v, 255, 255, 255, 16, 8, 0); |
paul@100 | 71 | } |
paul@100 | 72 | |
paul@100 | 73 | static void test_pixel16_565(unsigned short h, unsigned short v) |
paul@100 | 74 | { |
paul@100 | 75 | u16 *pix = get_pixel16(h, v); |
paul@101 | 76 | *pix = (u16) pixel(h, v, 31, 63, 31, 11, 5, 0); |
paul@101 | 77 | } |
paul@100 | 78 | |
paul@101 | 79 | static void test_pixel8(unsigned short h, unsigned short v) |
paul@101 | 80 | { |
paul@101 | 81 | u8 *pix = get_pixel8(h, v); |
paul@101 | 82 | *pix = (u8) pixel(h, v, 7, 7, 3, 5, 2, 0); |
paul@100 | 83 | } |
paul@100 | 84 | |
paul@100 | 85 | void test_pixel(unsigned short h, unsigned short v) |
paul@100 | 86 | { |
paul@100 | 87 | switch (panel_info.vl_bpix) |
paul@100 | 88 | { |
paul@100 | 89 | case LCD_COLOR32: |
paul@100 | 90 | test_pixel32(h, v); |
paul@100 | 91 | break; |
paul@100 | 92 | |
paul@101 | 93 | case LCD_COLOR8: |
paul@101 | 94 | test_pixel8(h, v); |
paul@101 | 95 | break; |
paul@101 | 96 | |
paul@101 | 97 | case LCD_COLOR16: |
paul@100 | 98 | default: |
paul@100 | 99 | test_pixel16_565(h, v); |
paul@100 | 100 | break; |
paul@100 | 101 | } |
paul@100 | 102 | } |
paul@100 | 103 | |
paul@100 | 104 | void clear_pixel32(unsigned short h, unsigned short v) |
paul@100 | 105 | { |
paul@100 | 106 | u32 *pix = get_pixel32(h, v); |
paul@100 | 107 | *pix = 0; |
paul@100 | 108 | } |
paul@100 | 109 | |
paul@100 | 110 | void clear_pixel16(unsigned short h, unsigned short v) |
paul@100 | 111 | { |
paul@100 | 112 | u16 *pix = get_pixel16(h, v); |
paul@100 | 113 | *pix = 0; |
paul@68 | 114 | } |
paul@68 | 115 | |
paul@101 | 116 | void clear_pixel8(unsigned short h, unsigned short v) |
paul@101 | 117 | { |
paul@101 | 118 | u8 *pix = get_pixel8(h, v); |
paul@101 | 119 | *pix = 0; |
paul@101 | 120 | } |
paul@101 | 121 | |
paul@68 | 122 | void clear_pixel(unsigned short h, unsigned short v) |
paul@68 | 123 | { |
paul@100 | 124 | switch (panel_info.vl_bpix) |
paul@100 | 125 | { |
paul@100 | 126 | case LCD_COLOR32: |
paul@100 | 127 | clear_pixel32(h, v); |
paul@100 | 128 | break; |
paul@68 | 129 | |
paul@101 | 130 | case LCD_COLOR8: |
paul@101 | 131 | clear_pixel8(h, v); |
paul@101 | 132 | break; |
paul@101 | 133 | |
paul@101 | 134 | case LCD_COLOR16: |
paul@100 | 135 | default: |
paul@100 | 136 | clear_pixel16(h, v); |
paul@100 | 137 | break; |
paul@100 | 138 | } |
paul@68 | 139 | } |
paul@40 | 140 | |
paul@100 | 141 | void test_pattern() |
paul@15 | 142 | { |
paul@15 | 143 | unsigned short v_max = panel_info.vl_row; |
paul@15 | 144 | unsigned short h_max = panel_info.vl_col; |
paul@15 | 145 | unsigned short v, h; |
paul@68 | 146 | |
paul@68 | 147 | for (v = 0; v < v_max; v += 1) { |
paul@68 | 148 | for (h = 0; h < h_max; h += 1) { |
paul@68 | 149 | test_pixel(h, v); |
paul@68 | 150 | } |
paul@68 | 151 | } |
paul@68 | 152 | } |
paul@68 | 153 | |
paul@97 | 154 | void lcd_clear(unsigned long lcd_base) |
paul@68 | 155 | { |
paul@68 | 156 | unsigned short v_max = panel_info.vl_row; |
paul@68 | 157 | unsigned short h_max = panel_info.vl_col; |
paul@68 | 158 | unsigned short v, h; |
paul@95 | 159 | unsigned long *pix = (unsigned long *)lcd_base; |
paul@15 | 160 | |
paul@22 | 161 | for (v = 0; v < v_max; v += 1) { |
paul@22 | 162 | for (h = 0; h < h_max; h += 1) { |
paul@68 | 163 | *pix++ = 0; |
paul@15 | 164 | } |
paul@15 | 165 | } |
paul@15 | 166 | } |
paul@15 | 167 | |
paul@15 | 168 | /* LCD initialisation. */ |
paul@15 | 169 | |
paul@15 | 170 | void lcd_init(void) |
paul@15 | 171 | { |
paul@20 | 172 | __lcd_display_pin_init(); |
paul@20 | 173 | __lcd_display_on(); |
paul@20 | 174 | |
paul@97 | 175 | lcd_base = lcd_ctrl_init(); |
paul@15 | 176 | lcd_clear(lcd_base); |
paul@15 | 177 | lcd_enable(); |
paul@15 | 178 | } |