| /* Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| #include <err.h> |
| #include <msm_panel.h> |
| #include <platform/gpio.h> |
| #include "qpic.h" |
| #include "qpic_panel.h" |
| #include <reg.h> |
| |
| static uint32_t panel_is_on; |
| |
| static int (*qpic_panel_on)(struct qpic_panel_io_desc *qpic_panel_io); |
| static void (*qpic_panel_off)(struct qpic_panel_io_desc *qpic_panel_io); |
| |
| |
| /* write a frame of pixels to a MIPI screen */ |
| uint32_t qpic_send_frame(uint32_t x_start, |
| uint32_t y_start, |
| uint32_t x_end, |
| uint32_t y_end, |
| uint32_t *data, |
| uint32_t total_bytes) |
| { |
| uint8_t param[4]; |
| uint32_t status; |
| uint32_t start_0_7; |
| uint32_t end_0_7; |
| uint32_t start_8_15; |
| uint32_t end_8_15; |
| |
| /* convert to 16 bit representation */ |
| x_start = x_start & 0xffff; |
| y_start = y_start & 0xffff; |
| x_end = x_end & 0xffff; |
| y_end = y_end & 0xffff; |
| |
| /* set column/page */ |
| start_0_7 = x_start & 0xff; |
| end_0_7 = x_end & 0xff; |
| start_8_15 = (x_start >> 8) & 0xff; |
| end_8_15 = (x_end >> 8) & 0xff; |
| param[0] = start_8_15; |
| param[1] = start_0_7; |
| param[2] = end_8_15; |
| param[3] = end_0_7; |
| status = qpic_send_pkt(OP_SET_COLUMN_ADDRESS, param, 4); |
| if (status) { |
| dprintf(CRITICAL, "Failed to set column address\n"); |
| return status; |
| } |
| |
| start_0_7 = y_start & 0xff; |
| end_0_7 = y_end & 0xff; |
| start_8_15 = (y_start >> 8) & 0xff; |
| end_8_15 = (y_end >> 8) & 0xff; |
| param[0] = start_8_15; |
| param[1] = start_0_7; |
| param[2] = end_8_15; |
| param[3] = end_0_7; |
| status = qpic_send_pkt(OP_SET_PAGE_ADDRESS, param, 4); |
| if (status) { |
| dprintf(CRITICAL, "Failed to set page address\n"); |
| return status; |
| } |
| |
| status = qpic_send_pkt(OP_WRITE_MEMORY_START, (uint8_t *)data, total_bytes); |
| if (status) { |
| dprintf(CRITICAL, "Failed to start memory write\n"); |
| return status; |
| } |
| return 0; |
| } |
| |
| int mdss_qpic_panel_on(struct qpic_panel_io_desc *panel_io) |
| { |
| int rc = 0; |
| |
| if (panel_is_on) |
| return 0; |
| mdss_qpic_init(); |
| |
| if (qpic_panel_on) |
| rc = qpic_panel_on(panel_io); |
| |
| if (!rc) |
| panel_is_on = true; |
| |
| return rc; |
| } |
| |
| int mdss_qpic_panel_off(struct qpic_panel_io_desc *panel_io) |
| { |
| if (qpic_panel_off) |
| qpic_panel_off(panel_io); |
| |
| panel_is_on = false; |
| return 0; |
| } |
| |
| int mdss_qpic_panel_init(struct qpic_panel_io_desc *panel_io) |
| { |
| qpic_panel_on = ili9341_on; |
| qpic_panel_off = ili9341_off; |
| |
| return 0; |
| } |
| |