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