b961099875
QPIC display is used to send frame data to panel over Qualcomm Parallel Interface Controller on MDM project. Old QPIC display driver is base on framebuffer framework, but now msm framebuffer driver is no longer used. So add supoport for QPIC display driver base on tiny DRM framework. Change-Id: I4f2434c9f9ad536e2ea56ed3daa6eb12ad56255b Signed-off-by: Lei Chen <chenlei@codeaurora.org>
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2013-2015, 2021, The Linux Foundation. All rights reserved.
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*/
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#include "qpic_display.h"
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#include "qpic_display_panel.h"
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/**
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* ILI9341 commands
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*/
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#define OP_ILI9341_INTERFACE_CONTROL 0xf6
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#define OP_ILI9341_TEARING_EFFECT_LINE_ON 0x35
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static int ili9341_on(struct qpic_display_data *qpic_display)
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{
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u8 param[4];
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qpic_display->qpic_transfer(qpic_display, OP_SOFT_RESET, NULL, 0);
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/* wait for 120 ms after reset as panel spec suggests */
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msleep(120);
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qpic_display->qpic_transfer(qpic_display, OP_SET_DISPLAY_OFF, NULL, 0);
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/* wait for 20 ms after disply off */
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msleep(20);
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/* set memory access control */
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param[0] = 0x48;
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qpic_display->qpic_transfer(qpic_display, OP_SET_ADDRESS_MODE, param, 1);
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/* wait for 20 ms after command sent as panel spec suggests */
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msleep(20);
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param[0] = 0x66;
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qpic_display->qpic_transfer(qpic_display, OP_SET_PIXEL_FORMAT, param, 1);
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/* wait for 20 ms after command sent as panel spec suggests */
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msleep(20);
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/* set interface */
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param[0] = 1;
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param[1] = 0;
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param[2] = 0;
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qpic_display->qpic_transfer(qpic_display, OP_ILI9341_INTERFACE_CONTROL, param, 3);
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/* wait for 20 ms after command sent */
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msleep(20);
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/* exit sleep mode */
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qpic_display->qpic_transfer(qpic_display, OP_EXIT_SLEEP_MODE, NULL, 0);
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/* wait for 20 ms after command sent as panel spec suggests */
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msleep(20);
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/* normal mode */
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qpic_display->qpic_transfer(qpic_display, OP_ENTER_NORMAL_MODE, NULL, 0);
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/* wait for 20 ms after command sent as panel spec suggests */
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msleep(20);
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/* display on */
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qpic_display->qpic_transfer(qpic_display, OP_SET_DISPLAY_ON, NULL, 0);
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/* wait for 20 ms after command sent as panel spec suggests */
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msleep(20);
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param[0] = 0;
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qpic_display->qpic_transfer(qpic_display, OP_ILI9341_TEARING_EFFECT_LINE_ON, param, 1);
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return 0;
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}
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static void ili9341_off(struct qpic_display_data *qpic_display)
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{
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qpic_display->qpic_transfer(qpic_display, OP_SET_DISPLAY_OFF, NULL, 0);
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/* wait for 20 ms after display off */
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msleep(20);
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}
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static struct qpic_panel_config ili_qvga_panel = {
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.xres = 320,
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.yres = 480,
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.bpp = 16,
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};
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int get_ili_qvga_panel_config(struct qpic_display_data *qpic_display)
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{
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qpic_display->panel_config = &ili_qvga_panel;
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qpic_display->panel_on = ili9341_on;
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qpic_display->panel_off = ili9341_off;
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}
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