diff options
Diffstat (limited to 'quantum/painter/qp.c')
| -rw-r--r-- | quantum/painter/qp.c | 228 | 
1 files changed, 228 insertions, 0 deletions
| diff --git a/quantum/painter/qp.c b/quantum/painter/qp.c new file mode 100644 index 0000000000..e292ff6497 --- /dev/null +++ b/quantum/painter/qp.c @@ -0,0 +1,228 @@ +// 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; +} | 
