Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2008, Google Inc. |
| 3 | * All rights reserved. |
| 4 | * |
Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 5 | * Copyright (c) 2009-2011, The Linux Foundation. All rights reserved. |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 6 | * |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in |
Channagoud Kadabi | 43000a6 | 2012-06-28 18:23:24 +0530 | [diff] [blame] | 14 | * the documentation and/or other materials provided with the |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 15 | * distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 20 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 21 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 23 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
Channagoud Kadabi | 43000a6 | 2012-06-28 18:23:24 +0530 | [diff] [blame] | 24 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 25 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 27 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 28 | * SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <debug.h> |
| 32 | #include <stdlib.h> |
| 33 | #include <reg.h> |
| 34 | #include <platform/iomap.h> |
| 35 | #include <dev/fbcon.h> |
Chandan Uddaraju | 0764485 | 2010-07-14 12:07:11 -0700 | [diff] [blame] | 36 | #include <target/display.h> |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 37 | #include <dev/lcdc.h> |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 38 | |
Shashank Mittal | 402d097 | 2010-09-29 10:09:52 -0700 | [diff] [blame] | 39 | #if PLATFORM_MSM7X30 |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 40 | #define MSM_MDP_BASE1 0xA3F00000 |
| 41 | #define LCDC_BASE 0xC0000 |
Shashank Mittal | 402d097 | 2010-09-29 10:09:52 -0700 | [diff] [blame] | 42 | #elif PLATFORM_MSM8X60 |
| 43 | #define MSM_MDP_BASE1 0x05100000 |
| 44 | #define LCDC_BASE 0xC0000 |
| 45 | #define LCDC_FB_ADDR 0x43E00000 |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 46 | #else |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 47 | #define MSM_MDP_BASE1 0xAA200000 |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 48 | #define LCDC_BASE 0xE0000 |
| 49 | #endif |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 50 | |
| 51 | #define LCDC_PIXCLK_IN_PS 26 |
| 52 | #define LCDC_FB_PHYS 0x16600000 |
| 53 | #define LCDC_FB_BPP 16 |
| 54 | |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 55 | #define BIT(x) (1<<(x)) |
| 56 | #define DMA_DSTC0G_8BITS (BIT(1)|BIT(0)) |
| 57 | #define DMA_DSTC1B_8BITS (BIT(3)|BIT(2)) |
| 58 | #define DMA_DSTC2R_8BITS (BIT(5)|BIT(4)) |
| 59 | #define CLR_G 0x0 |
| 60 | #define CLR_B 0x1 |
| 61 | #define CLR_R 0x2 |
| 62 | #define MDP_GET_PACK_PATTERN(a,x,y,z,bit) (((a)<<(bit*3))|((x)<<(bit*2))|((y)<<bit)|(z)) |
| 63 | #define DMA_PACK_ALIGN_LSB 0 |
| 64 | #define DMA_PACK_PATTERN_RGB \ |
| 65 | (MDP_GET_PACK_PATTERN(0,CLR_R,CLR_G,CLR_B,2)<<8) |
| 66 | #define DMA_DITHER_EN BIT(24) |
| 67 | #define DMA_OUT_SEL_LCDC BIT(20) |
| 68 | #define DMA_IBUF_FORMAT_RGB565 BIT(25) |
| 69 | |
Ajay Dudani | 5b1d045 | 2010-11-11 19:07:30 -0800 | [diff] [blame] | 70 | #define MDP_RGB_565_FORMAT (BIT(14) | (1<<9) | (0<<8) | (0<<6) | (1<<4) | (1<<2) | (2<<0)) |
| 71 | |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 72 | static struct fbcon_config fb_cfg = { |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 73 | .height = LCDC_FB_HEIGHT, |
| 74 | .width = LCDC_FB_WIDTH, |
| 75 | .stride = LCDC_FB_WIDTH, |
| 76 | .format = FB_FORMAT_RGB565, |
| 77 | .bpp = LCDC_FB_BPP, |
| 78 | .update_start = NULL, |
| 79 | .update_done = NULL, |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 80 | }; |
| 81 | |
| 82 | void lcdc_clock_init(unsigned rate); |
| 83 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 84 | struct fbcon_config *lcdc_init_set(struct lcdc_timing_parameters |
| 85 | *custom_timing_param) |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 86 | { |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 87 | struct lcdc_timing_parameters timing_param; |
| 88 | unsigned mdp_rgb_size; |
| 89 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 90 | if (custom_timing_param == DEFAULT_LCD_TIMING) { |
| 91 | timing_param.lcdc_hsync_pulse_width_dclk = |
| 92 | LCDC_HSYNC_PULSE_WIDTH_DCLK; |
| 93 | timing_param.lcdc_hsync_back_porch_dclk = |
| 94 | LCDC_HSYNC_BACK_PORCH_DCLK; |
| 95 | timing_param.lcdc_hsync_front_porch_dclk = |
| 96 | LCDC_HSYNC_FRONT_PORCH_DCLK; |
| 97 | timing_param.lcdc_hsync_skew_dclk = LCDC_HSYNC_SKEW_DCLK; |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 98 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 99 | timing_param.lcdc_vsync_pulse_width_lines = |
| 100 | LCDC_VSYNC_PULSE_WIDTH_LINES; |
| 101 | timing_param.lcdc_vsync_back_porch_lines = |
| 102 | LCDC_VSYNC_BACK_PORCH_LINES; |
| 103 | timing_param.lcdc_vsync_front_porch_lines = |
| 104 | LCDC_VSYNC_FRONT_PORCH_LINES; |
| 105 | } else { |
| 106 | /*use custom timing parameters */ |
| 107 | timing_param.lcdc_hsync_pulse_width_dclk = |
| 108 | custom_timing_param->lcdc_hsync_pulse_width_dclk; |
| 109 | timing_param.lcdc_hsync_back_porch_dclk = |
| 110 | custom_timing_param->lcdc_hsync_back_porch_dclk; |
| 111 | timing_param.lcdc_hsync_front_porch_dclk = |
| 112 | custom_timing_param->lcdc_hsync_front_porch_dclk; |
| 113 | timing_param.lcdc_hsync_skew_dclk = |
| 114 | custom_timing_param->lcdc_hsync_skew_dclk; |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 115 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 116 | timing_param.lcdc_vsync_pulse_width_lines = |
| 117 | custom_timing_param->lcdc_vsync_pulse_width_lines; |
| 118 | timing_param.lcdc_vsync_back_porch_lines = |
| 119 | custom_timing_param->lcdc_vsync_back_porch_lines; |
| 120 | timing_param.lcdc_vsync_front_porch_lines = |
| 121 | custom_timing_param->lcdc_vsync_front_porch_lines; |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 122 | |
| 123 | /* only set when using custom timing since initialized with defaults */ |
| 124 | fb_cfg.height = custom_timing_param->lcdc_fb_height; |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 125 | fb_cfg.width = custom_timing_param->lcdc_fb_width; |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 126 | } |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 127 | mdp_rgb_size = (fb_cfg.height << 16) + fb_cfg.width; |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 128 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 129 | dprintf(INFO, "lcdc_init(): panel is %d x %d\n", fb_cfg.width, |
| 130 | fb_cfg.height); |
Shashank Mittal | 402d097 | 2010-09-29 10:09:52 -0700 | [diff] [blame] | 131 | fb_cfg.base = LCDC_FB_ADDR; |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 132 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 133 | writel((unsigned)fb_cfg.base, MSM_MDP_BASE1 + 0x90008); |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 134 | |
| 135 | writel((fb_cfg.height << 16) | fb_cfg.width, MSM_MDP_BASE1 + 0x90004); |
| 136 | writel(fb_cfg.width * fb_cfg.bpp / 8, MSM_MDP_BASE1 + 0x9000c); |
| 137 | writel(0, MSM_MDP_BASE1 + 0x90010); |
| 138 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 139 | writel(DMA_PACK_ALIGN_LSB | DMA_PACK_PATTERN_RGB | DMA_DITHER_EN | |
| 140 | DMA_OUT_SEL_LCDC | DMA_IBUF_FORMAT_RGB565 | DMA_DSTC0G_8BITS | |
| 141 | DMA_DSTC1B_8BITS | DMA_DSTC2R_8BITS, MSM_MDP_BASE1 + 0x90000); |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 142 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 143 | int hsync_period = timing_param.lcdc_hsync_pulse_width_dclk + |
| 144 | timing_param.lcdc_hsync_back_porch_dclk + |
| 145 | fb_cfg.width + timing_param.lcdc_hsync_front_porch_dclk; |
| 146 | int vsync_period = (timing_param.lcdc_vsync_pulse_width_lines + |
| 147 | timing_param.lcdc_vsync_back_porch_lines + |
| 148 | fb_cfg.height + |
| 149 | timing_param.lcdc_vsync_front_porch_lines) * |
| 150 | hsync_period; |
| 151 | int hsync_start_x = |
| 152 | timing_param.lcdc_hsync_pulse_width_dclk + |
| 153 | timing_param.lcdc_hsync_back_porch_dclk; |
| 154 | int hsync_end_x = |
| 155 | hsync_period - timing_param.lcdc_hsync_front_porch_dclk - 1; |
| 156 | int display_hctl = (hsync_end_x << 16) | hsync_start_x; |
| 157 | int display_vstart = (timing_param.lcdc_vsync_pulse_width_lines + |
| 158 | timing_param.lcdc_vsync_back_porch_lines) |
| 159 | * hsync_period + timing_param.lcdc_hsync_skew_dclk; |
| 160 | int display_vend = vsync_period - |
| 161 | (timing_param.lcdc_vsync_front_porch_lines * hsync_period) |
| 162 | + timing_param.lcdc_hsync_skew_dclk - 1; |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 163 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 164 | writel((hsync_period << 16) | timing_param.lcdc_hsync_pulse_width_dclk, |
| 165 | MSM_MDP_BASE1 + LCDC_BASE + 0x4); |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 166 | writel(vsync_period, MSM_MDP_BASE1 + LCDC_BASE + 0x8); |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 167 | writel(timing_param.lcdc_vsync_pulse_width_lines * hsync_period, |
| 168 | MSM_MDP_BASE1 + LCDC_BASE + 0xc); |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 169 | writel(display_hctl, MSM_MDP_BASE1 + LCDC_BASE + 0x10); |
| 170 | writel(display_vstart, MSM_MDP_BASE1 + LCDC_BASE + 0x14); |
| 171 | writel(display_vend, MSM_MDP_BASE1 + LCDC_BASE + 0x18); |
Ajay Dudani | 5b1d045 | 2010-11-11 19:07:30 -0800 | [diff] [blame] | 172 | |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 173 | #if MDP4 |
| 174 | writel(0xf, MSM_MDP_BASE1 + LCDC_BASE + 0x28); |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 175 | writel(0xff, MSM_MDP_BASE1 + LCDC_BASE + 0x2c); |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 176 | writel(timing_param.lcdc_hsync_skew_dclk, |
| 177 | MSM_MDP_BASE1 + LCDC_BASE + 0x30); |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 178 | writel(0x3, MSM_MDP_BASE1 + LCDC_BASE + 0x38); |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 179 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x1c); |
| 180 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x20); |
| 181 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x24); |
Ajay Dudani | 5b1d045 | 2010-11-11 19:07:30 -0800 | [diff] [blame] | 182 | |
| 183 | /* setting for single layer direct out mode for rgb565 source */ |
| 184 | writel(0x100, MSM_MDP_BASE1 + 0x10100); |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 185 | writel(mdp_rgb_size, MSM_MDP_BASE1 + 0x40000); |
| 186 | writel(mdp_rgb_size, MSM_MDP_BASE1 + 0x40008); |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 187 | writel((int)fb_cfg.base, MSM_MDP_BASE1 + 0x40010); |
Ajay Dudani | 5b1d045 | 2010-11-11 19:07:30 -0800 | [diff] [blame] | 188 | writel(fb_cfg.width * fb_cfg.bpp / 8, MSM_MDP_BASE1 + 0x40040); |
| 189 | writel(0x00, MSM_MDP_BASE1 + 0x41008); |
| 190 | writel(MDP_RGB_565_FORMAT, MSM_MDP_BASE1 + 0x40050); |
| 191 | writel(0x1, MSM_MDP_BASE1 + 0x10004); |
| 192 | writel(0x1, MSM_MDP_BASE1 + 0x10014); |
| 193 | |
| 194 | /* register flush and enable LCDC */ |
| 195 | writel(0x11, MSM_MDP_BASE1 + 0x18000); |
| 196 | writel(0x1, MSM_MDP_BASE1 + LCDC_BASE + 0x0); |
| 197 | |
| 198 | #else |
| 199 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x28); |
| 200 | writel(0xff, MSM_MDP_BASE1 + LCDC_BASE + 0x2c); |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 201 | writel(timing_param.lcdc_hsync_skew_dclk, |
| 202 | MSM_MDP_BASE1 + LCDC_BASE + 0x30); |
Ajay Dudani | 5b1d045 | 2010-11-11 19:07:30 -0800 | [diff] [blame] | 203 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x38); |
| 204 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x1c); |
| 205 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x20); |
| 206 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x24); |
Shashank Mittal | 3704083 | 2010-08-24 15:57:57 -0700 | [diff] [blame] | 207 | writel(1, MSM_MDP_BASE1 + LCDC_BASE + 0x0); |
Ajay Dudani | 5b1d045 | 2010-11-11 19:07:30 -0800 | [diff] [blame] | 208 | #endif |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 209 | |
| 210 | return &fb_cfg; |
| 211 | } |
Shashank Mittal | 4f99a88 | 2010-02-01 13:58:50 -0800 | [diff] [blame] | 212 | |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 213 | struct fbcon_config *lcdc_init(void) |
| 214 | { |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 215 | return lcdc_init_set(DEFAULT_LCD_TIMING); |
Wentao Xu | 97df7fd | 2011-01-19 15:01:17 -0500 | [diff] [blame] | 216 | } |
| 217 | |
Shashank Mittal | c648e71 | 2010-10-06 18:37:42 -0700 | [diff] [blame] | 218 | void lcdc_shutdown(void) |
| 219 | { |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 220 | writel(0, MSM_MDP_BASE1 + LCDC_BASE + 0x0); |
Shashank Mittal | c648e71 | 2010-10-06 18:37:42 -0700 | [diff] [blame] | 221 | } |