| Aparna Mallavarapu | f712f5e | 2011-08-04 21:11:00 +0530 | [diff] [blame^] | 1 | /* Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
| 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. |
| 12 | * * Neither the name of Code Aurora Forum, Inc. nor the names of its |
| 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> |
| 32 | #include <target/display.h> |
| 33 | #include <platform/timer.h> |
| 34 | #include <platform/iomap.h> |
| 35 | |
| 36 | int mdp_setup_dma_p_video_mode(unsigned short disp_width, |
| 37 | unsigned short disp_height, |
| 38 | unsigned short img_width, |
| 39 | unsigned short img_height, |
| 40 | unsigned short hsync_porch0_fp, |
| 41 | unsigned short hsync_porch0_bp, |
| 42 | unsigned short vsync_porch0_fp, |
| 43 | unsigned short vsync_porch0_bp, |
| 44 | unsigned short hsync_width, |
| 45 | unsigned short vsync_width, |
| 46 | unsigned long input_img_addr, |
| 47 | unsigned short img_width_full_size, |
| 48 | unsigned short pack_pattern, |
| 49 | unsigned char ystride) |
| 50 | { |
| 51 | |
| 52 | // unsigned long mdp_intr_status; |
| 53 | int status = FAIL; |
| 54 | unsigned long hsync_period; |
| 55 | unsigned long vsync_period; |
| 56 | unsigned long vsync_period_intmd; |
| 57 | |
| 58 | dprintf(SPEW, "MDP3.0.3 for DSI Video Mode\n"); |
| 59 | |
| 60 | hsync_period = img_width + hsync_porch0_fp + hsync_porch0_bp + 1; |
| 61 | vsync_period_intmd = img_height + vsync_porch0_fp + vsync_porch0_bp + 1; |
| 62 | vsync_period = vsync_period_intmd * hsync_period; |
| 63 | |
| 64 | |
| 65 | // ------------- programming MDP_DMA_P_CONFIG --------------------- |
| 66 | writel(0x1800bf, MDP_DMA_P_CONFIG); // rgb888 |
| 67 | |
| 68 | writel(0x00000000, MDP_DMA_P_OUT_XY); |
| 69 | writel(img_height << 16 | img_width, MDP_DMA_P_SIZE); |
| 70 | writel(input_img_addr, MDP_DMA_P_BUF_ADDR); |
| 71 | writel(img_width_full_size * ystride, MDP_DMA_P_BUF_Y_STRIDE); |
| 72 | writel(hsync_period << 16 | hsync_width, MDP_DSI_VIDEO_HSYNC_CTL); |
| 73 | writel(vsync_period, MDP_DSI_VIDEO_VSYNC_PERIOD); |
| 74 | writel(vsync_width * hsync_period, MDP_DSI_VIDEO_VSYNC_PULSE_WIDTH); |
| 75 | writel((img_width + hsync_porch0_bp - 1) << 16 | hsync_porch0_bp, |
| 76 | MDP_DSI_VIDEO_DISPLAY_HCTL); |
| 77 | writel(vsync_porch0_bp * hsync_period, MDP_DSI_VIDEO_DISPLAY_V_START); |
| 78 | writel((img_height + vsync_porch0_bp) * hsync_period, |
| 79 | MDP_DSI_VIDEO_DISPLAY_V_END); |
| 80 | writel(0x00ABCDEF, MDP_DSI_VIDEO_BORDER_CLR); |
| 81 | writel(0x00000000, MDP_DSI_VIDEO_HSYNC_SKEW); |
| 82 | writel(0x00000000, MDP_DSI_VIDEO_CTL_POLARITY); |
| 83 | // end of cmd mdp |
| 84 | |
| 85 | writel(0x00000001, MDP_DSI_VIDEO_EN); // MDP_DSI_EN ENABLE |
| 86 | |
| 87 | status = PASS; |
| 88 | return status; |
| 89 | } |
| 90 | void mdp_disable(void) |
| 91 | { |
| 92 | writel(0x00000000, MDP_DSI_VIDEO_EN); |
| 93 | } |
| 94 | |
| 95 | void mdp_shutdown(void) |
| 96 | { |
| 97 | mdp_disable(); |
| 98 | mdelay(60); |
| 99 | writel(0x00000000, MDP_INTR_ENABLE); |
| 100 | writel(0x01ffffff, MDP_INTR_CLEAR); |
| 101 | } |
| 102 | |
| 103 | |