Padmanabhan Komanduru | fa4be75 | 2012-10-08 16:51:56 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
Padmanabhan Komanduru | fa4be75 | 2012-10-08 16:51:56 +0530 | [diff] [blame] | 12 | * * Neither the name of The Linux Foundation, Inc. nor the names of its |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | */ |
| 29 | #include <mdp3.h> |
| 30 | #include <debug.h> |
| 31 | #include <reg.h> |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 32 | #include <msm_panel.h> |
| 33 | #include <err.h> |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 34 | #include <target/display.h> |
| 35 | #include <platform/timer.h> |
| 36 | #include <platform/iomap.h> |
| 37 | |
Shashank Mittal | 4bfb2e3 | 2012-04-16 10:56:27 -0700 | [diff] [blame] | 38 | static int mdp_rev; |
| 39 | |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 40 | int mdp_dsi_video_config(struct msm_panel_info *pinfo, |
| 41 | struct fbcon_config *fb) |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 42 | { |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 43 | unsigned long hsync_period; |
| 44 | unsigned long vsync_period; |
| 45 | unsigned long vsync_period_intmd; |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 46 | struct lcdc_panel_info *lcdc = NULL; |
| 47 | int ystride = 3; |
| 48 | |
| 49 | if (pinfo == NULL) |
| 50 | return ERR_INVALID_ARGS; |
| 51 | |
| 52 | lcdc = &(pinfo->lcdc); |
| 53 | if (lcdc == NULL) |
| 54 | return ERR_INVALID_ARGS; |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 55 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 56 | dprintf(SPEW, "MDP3.0.3 for DSI Video Mode\n"); |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 57 | |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 58 | hsync_period = pinfo->xres + lcdc->h_front_porch + \ |
| 59 | lcdc->h_back_porch + 1; |
| 60 | vsync_period_intmd = pinfo->yres + lcdc->v_front_porch + \ |
| 61 | lcdc->v_back_porch + 1; |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 62 | vsync_period = vsync_period_intmd * hsync_period; |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 63 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 64 | // ------------- programming MDP_DMA_P_CONFIG --------------------- |
| 65 | writel(0x1800bf, MDP_DMA_P_CONFIG); // rgb888 |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 66 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 67 | writel(0x00000000, MDP_DMA_P_OUT_XY); |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 68 | writel(pinfo->yres << 16 | pinfo->xres, MDP_DMA_P_SIZE); |
| 69 | writel(MIPI_FB_ADDR, MDP_DMA_P_BUF_ADDR); |
| 70 | writel(pinfo->xres * ystride, MDP_DMA_P_BUF_Y_STRIDE); |
| 71 | writel(hsync_period << 16 | lcdc->h_pulse_width, \ |
| 72 | MDP_DSI_VIDEO_HSYNC_CTL); |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 73 | writel(vsync_period, MDP_DSI_VIDEO_VSYNC_PERIOD); |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 74 | writel(lcdc->v_pulse_width * hsync_period, \ |
| 75 | MDP_DSI_VIDEO_VSYNC_PULSE_WIDTH); |
| 76 | writel((pinfo->xres + lcdc->h_back_porch - 1) << 16 | \ |
| 77 | lcdc->h_back_porch, MDP_DSI_VIDEO_DISPLAY_HCTL); |
| 78 | writel(lcdc->v_back_porch * hsync_period, \ |
| 79 | MDP_DSI_VIDEO_DISPLAY_V_START); |
| 80 | writel((pinfo->yres + lcdc->v_back_porch) * hsync_period, |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 81 | MDP_DSI_VIDEO_DISPLAY_V_END); |
| 82 | writel(0x00ABCDEF, MDP_DSI_VIDEO_BORDER_CLR); |
| 83 | writel(0x00000000, MDP_DSI_VIDEO_HSYNC_SKEW); |
| 84 | writel(0x00000000, MDP_DSI_VIDEO_CTL_POLARITY); |
| 85 | // end of cmd mdp |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 86 | |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 87 | return 0; |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 88 | } |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 89 | |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 90 | int mdp_dsi_cmd_config(struct msm_panel_info *pinfo, |
| 91 | struct fbcon_config *fb) |
| 92 | { |
| 93 | int ret = 0; |
| 94 | unsigned short pack_pattern = 0x21; |
| 95 | unsigned char ystride = 3; |
| 96 | |
| 97 | writel(0x03ffffff, MDP_INTR_ENABLE); |
| 98 | |
| 99 | // ------------- programming MDP_DMA_P_CONFIG --------------------- |
| 100 | writel(pack_pattern << 8 | 0x3f | (0 << 25)| (1 << 19) | (1 << 7) , MDP_DMA_P_CONFIG); // rgb888 |
| 101 | writel(0x00000000, MDP_DMA_P_OUT_XY); |
| 102 | writel(pinfo->yres << 16 | pinfo->xres, MDP_DMA_P_SIZE); |
| 103 | writel(MIPI_FB_ADDR, MDP_DMA_P_BUF_ADDR); |
| 104 | |
| 105 | writel(pinfo->xres * ystride, MDP_DMA_P_BUF_Y_STRIDE); |
| 106 | |
| 107 | writel(0x10, MDP_DSI_CMD_MODE_ID_MAP); |
| 108 | writel(0x11, MDP_DSI_CMD_MODE_TRIGGER_EN); |
| 109 | mdelay(10); |
| 110 | |
| 111 | return ret; |
| 112 | } |
| 113 | |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 114 | void mdp_disable(void) |
| 115 | { |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 116 | if (!target_cont_splash_screen()) |
| 117 | writel(0x00000000, MDP_DSI_VIDEO_EN); |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 118 | } |
| 119 | |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 120 | int mdp_dsi_video_off(void) |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 121 | { |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 122 | if (!target_cont_splash_screen()) { |
| 123 | mdp_disable(); |
| 124 | mdelay(60); |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 125 | } |
Padmanabhan Komanduru | fa4be75 | 2012-10-08 16:51:56 +0530 | [diff] [blame] | 126 | writel(0x00000000, MDP_INTR_ENABLE); |
| 127 | writel(0x01ffffff, MDP_INTR_CLEAR); |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 128 | return NO_ERROR; |
Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame] | 129 | } |
Shashank Mittal | 4bfb2e3 | 2012-04-16 10:56:27 -0700 | [diff] [blame] | 130 | |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 131 | int mdp_dsi_cmd_off(void) |
| 132 | { |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 133 | if (!target_cont_splash_screen()) { |
| 134 | mdp_dma_off(); |
| 135 | /* |
| 136 | * Allow sometime for the DMA channel to |
| 137 | * stop the data transfer |
| 138 | */ |
| 139 | mdelay(10); |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 140 | } |
Padmanabhan Komanduru | fa4be75 | 2012-10-08 16:51:56 +0530 | [diff] [blame] | 141 | writel(0x00000000, MDP_INTR_ENABLE); |
| 142 | writel(0x01ffffff, MDP_INTR_CLEAR); |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 143 | return NO_ERROR; |
| 144 | } |
| 145 | |
Shashank Mittal | 4bfb2e3 | 2012-04-16 10:56:27 -0700 | [diff] [blame] | 146 | void mdp_set_revision(int rev) |
| 147 | { |
| 148 | mdp_rev = rev; |
| 149 | } |
| 150 | |
| 151 | int mdp_get_revision(void) |
| 152 | { |
| 153 | return mdp_rev; |
| 154 | } |
Channagoud Kadabi | 539ef72 | 2012-03-29 16:02:50 +0530 | [diff] [blame] | 155 | |
| 156 | int mdp_dsi_video_on() |
| 157 | { |
| 158 | int ret = 0; |
| 159 | |
| 160 | writel(0x00000001, MDP_DSI_VIDEO_EN); |
| 161 | |
| 162 | return ret; |
| 163 | } |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 164 | |
| 165 | int mdp_dma_on() |
| 166 | { |
| 167 | int ret = 0; |
Xiaoming Zhou | 8d534dd | 2013-07-29 15:49:19 -0400 | [diff] [blame^] | 168 | mdelay(100); |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 169 | writel(0x00000001, MDP_DMA_P_START); |
| 170 | |
| 171 | return ret; |
| 172 | } |
| 173 | |
| 174 | int mdp_dma_off() |
| 175 | { |
| 176 | int ret = 0; |
| 177 | |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 178 | if (!target_cont_splash_screen()) |
| 179 | writel(0x00000000, MDP_DMA_P_START); |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 180 | |
| 181 | return ret; |
| 182 | } |