Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012, The Linux Foundation. All rights reserved. |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +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. |
Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 12 | * * Neither the name of The Linux Foundation nor the names of its |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +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 | |
| 30 | #include <stdint.h> |
| 31 | #include <msm_panel.h> |
| 32 | #include <mipi_dsi.h> |
| 33 | #include <sys/types.h> |
| 34 | #include <err.h> |
| 35 | #include <reg.h> |
| 36 | #include <debug.h> |
| 37 | #include <target/display.h> |
| 38 | #include <dev/gpio.h> |
| 39 | |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 40 | int mipi_nt35510_panel_dsi_config(int on) |
| 41 | { |
| 42 | if (on) { |
| 43 | gpio_config(96, GPIO_OUTPUT); |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 44 | /* |
| 45 | * As per the specification follow the sequence to put lcd |
| 46 | * backlight in one wire mode. |
| 47 | */ |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 48 | gpio_set(96, 0x1); |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 49 | udelay(190); |
| 50 | gpio_set(96, 0x0); |
| 51 | udelay(286); |
| 52 | gpio_set(96, 0x1); |
| 53 | udelay(50); |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 54 | |
| 55 | gpio_config(35, GPIO_OUTPUT); |
| 56 | gpio_set(35, 0x1); |
| 57 | |
| 58 | gpio_config(40, GPIO_OUTPUT); |
| 59 | gpio_set(40, 0x1); |
| 60 | |
| 61 | gpio_config(85, GPIO_OUTPUT); |
| 62 | gpio_set(85, 0x1); |
| 63 | mdelay(20); |
| 64 | gpio_set(85, 0x0); |
| 65 | mdelay(20); |
| 66 | gpio_set(85, 0x1); |
| 67 | mdelay(20); |
| 68 | } else { |
Channagoud Kadabi | f248846 | 2012-06-12 15:22:48 +0530 | [diff] [blame] | 69 | if (!target_cont_splash_screen()) { |
| 70 | gpio_set(96, 0x0); |
| 71 | gpio_set(35, 0x0); |
| 72 | gpio_set(40, 0x0); |
| 73 | } |
Channagoud Kadabi | 10189fd | 2012-05-25 13:33:39 +0530 | [diff] [blame] | 74 | } |
| 75 | return 0; |
| 76 | } |
Channagoud Kadabi | 01c9182 | 2012-06-06 15:53:30 +0530 | [diff] [blame] | 77 | |