229 lines
7.7 KiB
C
229 lines
7.7 KiB
C
// Copyright 2021 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <quantum.h>
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#include <utf8.h>
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#include "qp_internal.h"
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#include "qp_comms.h"
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#include "qp_draw.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Internal driver validation
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static bool validate_driver_vtable(struct painter_driver_t *driver) {
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return (driver->driver_vtable && driver->driver_vtable->init && driver->driver_vtable->power && driver->driver_vtable->clear && driver->driver_vtable->viewport && driver->driver_vtable->pixdata && driver->driver_vtable->palette_convert && driver->driver_vtable->append_pixels && driver->driver_vtable->append_pixdata) ? true : false;
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}
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static bool validate_comms_vtable(struct painter_driver_t *driver) {
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return (driver->comms_vtable && driver->comms_vtable->comms_init && driver->comms_vtable->comms_start && driver->comms_vtable->comms_stop && driver->comms_vtable->comms_send) ? true : false;
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}
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static bool validate_driver_integrity(struct painter_driver_t *driver) {
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return validate_driver_vtable(driver) && validate_comms_vtable(driver);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_init
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bool qp_init(painter_device_t device, painter_rotation_t rotation) {
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qp_dprintf("qp_init: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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driver->validate_ok = false;
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if (!validate_driver_integrity(driver)) {
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qp_dprintf("Failed to validate driver integrity in qp_init\n");
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return false;
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}
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driver->validate_ok = true;
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if (!qp_comms_init(device)) {
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driver->validate_ok = false;
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qp_dprintf("qp_init: fail (could not init comms)\n");
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return false;
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}
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if (!qp_comms_start(device)) {
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qp_dprintf("qp_init: fail (could not start comms)\n");
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return false;
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}
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// Set the rotation before init
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driver->rotation = rotation;
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// Invoke init
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bool ret = driver->driver_vtable->init(device, rotation);
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qp_comms_stop(device);
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qp_dprintf("qp_init: %s\n", ret ? "ok" : "fail");
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return ret;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_power
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bool qp_power(painter_device_t device, bool power_on) {
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qp_dprintf("qp_power: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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if (!driver->validate_ok) {
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qp_dprintf("qp_power: fail (validation_ok == false)\n");
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return false;
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}
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if (!qp_comms_start(device)) {
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qp_dprintf("qp_power: fail (could not start comms)\n");
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return false;
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}
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bool ret = driver->driver_vtable->power(device, power_on);
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qp_comms_stop(device);
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qp_dprintf("qp_power: %s\n", ret ? "ok" : "fail");
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return ret;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_clear
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bool qp_clear(painter_device_t device) {
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qp_dprintf("qp_clear: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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if (!driver->validate_ok) {
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qp_dprintf("qp_clear: fail (validation_ok == false)\n");
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return false;
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}
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if (!qp_comms_start(device)) {
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qp_dprintf("qp_clear: fail (could not start comms)\n");
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return false;
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}
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bool ret = driver->driver_vtable->clear(device);
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qp_comms_stop(device);
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qp_dprintf("qp_clear: %s\n", ret ? "ok" : "fail");
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return ret;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_flush
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bool qp_flush(painter_device_t device) {
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qp_dprintf("qp_flush: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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if (!driver->validate_ok) {
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qp_dprintf("qp_flush: fail (validation_ok == false)\n");
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return false;
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}
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if (!qp_comms_start(device)) {
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qp_dprintf("qp_flush: fail (could not start comms)\n");
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return false;
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}
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bool ret = driver->driver_vtable->flush(device);
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qp_comms_stop(device);
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qp_dprintf("qp_flush: %s\n", ret ? "ok" : "fail");
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return ret;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_get_geometry
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void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height, painter_rotation_t *rotation, uint16_t *offset_x, uint16_t *offset_y) {
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qp_dprintf("qp_geometry: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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switch (driver->rotation) {
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default:
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case QP_ROTATION_0:
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case QP_ROTATION_180:
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if (width) {
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*width = driver->panel_width;
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}
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if (height) {
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*height = driver->panel_height;
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}
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break;
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case QP_ROTATION_90:
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case QP_ROTATION_270:
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if (width) {
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*width = driver->panel_height;
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}
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if (height) {
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*height = driver->panel_width;
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}
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break;
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}
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if (rotation) {
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*rotation = driver->rotation;
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}
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if (offset_x) {
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*offset_x = driver->offset_x;
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}
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if (offset_y) {
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*offset_y = driver->offset_y;
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}
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qp_dprintf("qp_geometry: ok\n");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_set_viewport_offsets
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void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_t offset_y) {
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qp_dprintf("qp_set_viewport_offsets: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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driver->offset_x = offset_x;
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driver->offset_y = offset_y;
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qp_dprintf("qp_set_viewport_offsets: ok\n");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_viewport
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bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom) {
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qp_dprintf("qp_viewport: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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if (!driver->validate_ok) {
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qp_dprintf("qp_viewport: fail (validation_ok == false)\n");
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return false;
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}
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if (!qp_comms_start(device)) {
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qp_dprintf("qp_viewport: fail (could not start comms)\n");
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return false;
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}
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// Set the viewport
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bool ret = driver->driver_vtable->viewport(device, left, top, right, bottom);
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qp_dprintf("qp_viewport: %s\n", ret ? "ok" : "fail");
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qp_comms_stop(device);
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return ret;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Quantum Painter External API: qp_pixdata
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bool qp_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count) {
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qp_dprintf("qp_pixdata: entry\n");
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struct painter_driver_t *driver = (struct painter_driver_t *)device;
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if (!driver->validate_ok) {
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qp_dprintf("qp_pixdata: fail (validation_ok == false)\n");
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return false;
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}
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if (!qp_comms_start(device)) {
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qp_dprintf("qp_pixdata: fail (could not start comms)\n");
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return false;
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}
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bool ret = driver->driver_vtable->pixdata(device, pixel_data, native_pixel_count);
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qp_dprintf("qp_pixdata: %s\n", ret ? "ok" : "fail");
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qp_comms_stop(device);
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return ret;
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}
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