Zohaib Alam | 929b7fb | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 1 | /* Copyright (c) 2014, The Linux Foundation. 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 |
| 5 | * are 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 copyright |
| 9 | * notice, this list of conditions and the following disclaimer in |
| 10 | * the documentation and/or other materials provided with the |
| 11 | * distribution. |
| 12 | * * Neither the name of The Linux Foundation 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 19 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 20 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 22 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 23 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 24 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 26 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <debug.h> |
| 31 | #include <err.h> |
| 32 | #include <endian.h> |
| 33 | #include <platform/gpio.h> |
| 34 | #include <platform/clock.h> |
| 35 | #include <regulator.h> |
| 36 | #include <rpm-smd.h> |
| 37 | #include <platform/timer.h> |
| 38 | |
| 39 | #include "qpic.h" |
| 40 | #include "qpic_panel.h" |
| 41 | |
| 42 | #define GPIOMUX_FUNC_1 1 |
| 43 | #define GPIOMUX_FUNC_GPIO 0 |
| 44 | |
| 45 | #define RST_GPIO_ID 23 |
| 46 | #define CS_GPIO_ID 21 |
| 47 | #define AD8_GPIO_ID 20 |
| 48 | #define TE_GPIO_ID 22 |
| 49 | #define BL_GPIO_ID 84 |
| 50 | |
| 51 | #define MEM_ACCESS_MODE 0x48 |
| 52 | #define MEM_ACCESS_FORMAT 0x66 |
| 53 | |
| 54 | static uint32_t ldo6[][11] = { |
| 55 | { |
| 56 | LDOA_RES_TYPE, 6, |
| 57 | KEY_SOFTWARE_ENABLE, 4, GENERIC_DISABLE, |
| 58 | KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK, |
| 59 | KEY_MICRO_VOLT, 4, 0, |
| 60 | }, |
| 61 | { |
| 62 | LDOA_RES_TYPE, 6, |
| 63 | KEY_SOFTWARE_ENABLE, 4, GENERIC_ENABLE, |
| 64 | KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK, |
| 65 | KEY_MICRO_VOLT, 4, 1800000, |
| 66 | }, |
| 67 | }; |
| 68 | |
| 69 | static uint32_t ldo12[][11] = { |
| 70 | { |
| 71 | LDOA_RES_TYPE, 12, |
| 72 | KEY_SOFTWARE_ENABLE, 4, GENERIC_DISABLE, |
| 73 | KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK, |
| 74 | KEY_MICRO_VOLT, 4, 0, |
| 75 | }, |
| 76 | { |
| 77 | LDOA_RES_TYPE, 12, |
| 78 | KEY_SOFTWARE_ENABLE, 4, GENERIC_ENABLE, |
| 79 | KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK, |
| 80 | KEY_MICRO_VOLT, 4, 2700000, |
| 81 | }, |
| 82 | }; |
| 83 | |
| 84 | static void panel_io_off(struct qpic_panel_io_desc *qpic_panel_io) |
| 85 | { |
| 86 | /* Turning off all gpios */ |
| 87 | gpio_tlmm_config(RST_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL, |
| 88 | GPIO_10MA, GPIO_DISABLE); |
| 89 | gpio_tlmm_config(CS_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL, |
| 90 | GPIO_10MA, GPIO_DISABLE); |
| 91 | gpio_tlmm_config(AD8_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL, |
| 92 | GPIO_10MA, GPIO_DISABLE); |
| 93 | gpio_tlmm_config(TE_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL, |
| 94 | GPIO_10MA, GPIO_DISABLE); |
| 95 | gpio_tlmm_config(BL_GPIO_ID, GPIOMUX_FUNC_GPIO, GPIO_INPUT, GPIO_NO_PULL, |
| 96 | GPIO_10MA, GPIO_ENABLE); |
| 97 | gpio_set(BL_GPIO_ID, 0x0); |
| 98 | |
| 99 | /* Disabling vdd & avdd voltage */ |
| 100 | rpm_send_data(&ldo6[GENERIC_DISABLE][0], 36, RPM_REQUEST_TYPE); |
| 101 | rpm_send_data(&ldo12[GENERIC_DISABLE][0], 36, RPM_REQUEST_TYPE); |
| 102 | |
| 103 | /* uninitializing smd */ |
| 104 | rpm_smd_uninit(); |
| 105 | |
| 106 | return; |
| 107 | } |
| 108 | |
Zohaib Alam | f5f1779 | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 109 | void ili9341_off(struct qpic_panel_io_desc *qpic_panel_io) |
Zohaib Alam | 929b7fb | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 110 | { |
| 111 | panel_io_off(qpic_panel_io); |
| 112 | } |
| 113 | |
| 114 | static int panel_io_on(struct qpic_panel_io_desc *qpic_panel_io) |
| 115 | { |
| 116 | int rc = 0; |
| 117 | |
| 118 | /* Setting vdd & avdd voltage */ |
| 119 | rpm_send_data(&ldo6[GENERIC_ENABLE][0], 36, RPM_REQUEST_TYPE); |
| 120 | rpm_send_data(&ldo12[GENERIC_ENABLE][0], 36, RPM_REQUEST_TYPE); |
| 121 | |
| 122 | /* Turning on all gpios */ |
| 123 | gpio_tlmm_config(RST_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL, |
| 124 | GPIO_10MA, GPIO_ENABLE); |
| 125 | gpio_tlmm_config(CS_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL, |
| 126 | GPIO_10MA, GPIO_ENABLE); |
| 127 | gpio_tlmm_config(AD8_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL, |
| 128 | GPIO_10MA, GPIO_ENABLE); |
| 129 | gpio_tlmm_config(TE_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL, |
| 130 | GPIO_10MA, GPIO_ENABLE); |
| 131 | gpio_tlmm_config(BL_GPIO_ID, GPIOMUX_FUNC_GPIO, GPIO_INPUT, GPIO_NO_PULL, |
| 132 | GPIO_10MA, GPIO_DISABLE); |
| 133 | gpio_set(BL_GPIO_ID, 0x2); |
| 134 | |
| 135 | mdelay(20); |
| 136 | return rc; |
| 137 | } |
| 138 | |
Zohaib Alam | f5f1779 | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 139 | int ili9341_on(struct qpic_panel_io_desc *qpic_panel_io) |
Zohaib Alam | 929b7fb | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 140 | { |
| 141 | uint8_t param[4]; |
| 142 | int ret; |
| 143 | |
| 144 | ret = panel_io_on(qpic_panel_io); |
| 145 | if (ret) |
| 146 | return ret; |
Zohaib Alam | 929b7fb | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 147 | qpic_send_pkt(OP_SOFT_RESET, NULL, 0); |
Zohaib Alam | f5f1779 | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 148 | /* wait for 120 ms after reset as panel spec suggests */ |
| 149 | mdelay(120); |
| 150 | qpic_send_pkt(OP_SET_DISPLAY_OFF, NULL, 0); |
| 151 | /* wait for 20 ms after disply off */ |
| 152 | mdelay(20); |
| 153 | |
| 154 | /* set memory access control */ |
| 155 | param[0] = MEM_ACCESS_MODE; |
| 156 | qpic_send_pkt(OP_SET_ADDRESS_MODE, param, 1); |
| 157 | /* wait for 20 ms after command sent as panel spec suggests */ |
| 158 | mdelay(20); |
| 159 | |
| 160 | param[0] = MEM_ACCESS_FORMAT; |
| 161 | qpic_send_pkt(OP_SET_PIXEL_FORMAT, param, 1); |
| 162 | mdelay(20); |
| 163 | |
| 164 | /* set interface */ |
| 165 | param[0] = 1; |
| 166 | param[1] = 0; |
| 167 | param[2] = 0; |
| 168 | qpic_send_pkt(OP_ILI9341_INTERFACE_CONTROL, param, 3); |
| 169 | mdelay(20); |
| 170 | |
| 171 | qpic_send_pkt(OP_EXIT_SLEEP_MODE, NULL, 0); |
| 172 | mdelay(20); |
| 173 | |
| 174 | qpic_send_pkt(OP_ENTER_NORMAL_MODE, NULL, 0); |
| 175 | mdelay(20); |
| 176 | |
| 177 | qpic_send_pkt(OP_SET_DISPLAY_ON, NULL, 0); |
| 178 | mdelay(20); |
| 179 | |
| 180 | param[0] = 0; |
| 181 | qpic_send_pkt(OP_ILI9341_TEARING_EFFECT_LINE_ON, param, 1); |
| 182 | |
Zohaib Alam | 929b7fb | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 183 | param[0] = qpic_read_data(OP_GET_PIXEL_FORMAT, 1); |
Zohaib Alam | f5f1779 | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 184 | |
Zohaib Alam | 929b7fb | 2014-10-24 15:58:22 -0400 | [diff] [blame] | 185 | return 0; |
| 186 | } |