start process of re-porting st7789 driver. currently working for 240x240 display with overlay. need to redo dirty function
This commit is contained in:
lady ada
parent
55539a84a1
commit
fc8dcd7ffb
3 changed files with 273 additions and 221 deletions
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@ -292,8 +292,8 @@ EOF
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[ -d /lib/modules/$(uname -r)/build ] || { warning "Kernel was updated, please reboot now and re-run script!" && exit 1; }
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cd st7789_module
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make -C /lib/modules/$(uname -r)/build M=$(pwd) modules || { warning "Apt failed to compile ST7789V driver!" && exit 1; }
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mv /lib/modules/$(uname -r)/kernel/drivers/gpu/drm/tinydrm/mi0283qt.ko /lib/modules/$(uname -r)/kernel/drivers/gpu/drm/tinydrm/mi0283qt.BACK
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mv st7789v_ada.ko /lib/modules/$(uname -r)/kernel/drivers/gpu/drm/tinydrm/mi0283qt.ko
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mv /lib/modules/$(uname -r)/kernel/drivers/gpu/drm/tiny/mi0283qt.ko /lib/modules/$(uname -r)/kernel/drivers/gpu/drm/tiny/mi0283qt.BACK
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mv st7789v_ada.ko /lib/modules/$(uname -r)/kernel/drivers/gpu/drm/tiny/mi0283qt.ko
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overlay="dtoverlay=drm-minipitft114,rotation=${pitftrot}"
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fi
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78
overlays/minipitft13-overlay.dts
Normal file
78
overlays/minipitft13-overlay.dts
Normal file
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@ -0,0 +1,78 @@
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/*
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* Device Tree overlay for Adafruit Mini PiTFT 1.3" and 1.5" 240x240 Display
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*
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*/
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
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fragment@0 {
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target = <&spi0>;
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__overlay__ {
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status = "okay";
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spidev@0{
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status = "disabled";
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};
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};
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};
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fragment@1 {
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target = <&gpio>;
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__overlay__ {
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pitft_pins: pitft_pins {
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brcm,pins = <25>; /* dc pin */
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brcm,function = <1>; /* out */
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brcm,pull = <0>; /* no pull */
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};
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};
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};
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fragment@2 {
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target = <&spi0>;
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__overlay__ {
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/* needed to avoid dtc warning */
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#address-cells = <1>;
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#size-cells = <0>;
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pitft: pitft@0{
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compatible = "multi-inno,mi0283qt";
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reg = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pitft_pins>;
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spi-max-frequency = <32000000>;
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rotation = <0>;
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width = <240>;
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height = <240>;
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col_offset = <0>;
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row_offset = <80>;
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dc-gpios = <&gpio 25 0>;
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backlight = <&backlight>;
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};
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};
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};
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fragment@3 {
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target-path = "/soc";
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__overlay__ {
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backlight: backlight {
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compatible = "gpio-backlight";
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gpios = <&gpio 22 0>;
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};
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};
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};
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__overrides__ {
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speed = <&pitft>,"spi-max-frequency:0";
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rotation = <&pitft>,"rotation:0";
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width = <&pitft>,"width:0";
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height = <&pitft>,"height:0";
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col_offset = <&pitft>,"col_offset:0";
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row_offset = <&pitft>,"row_offset:0";
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};
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};
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@ -1,13 +1,8 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* DRM driver for ST7789V panels with flexible config
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* DRM driver for Multi-Inno MI0283QT panels
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*
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* Copyright 2019 Limor Fried
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* Copyright 2016 Noralf Trønnes
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/backlight.h>
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@ -18,13 +13,43 @@
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#include <linux/regulator/consumer.h>
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#include <linux/spi/spi.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_damage_helper.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_fb_cma_helper.h>
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_modeset_helper.h>
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#include <drm/drm_fourcc.h>
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#include <drm/drm_gem_cma_helper.h>
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#include <drm/drm_gem_framebuffer_helper.h>
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#include <drm/tinydrm/mipi-dbi.h>
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#include <drm/tinydrm/tinydrm-helpers.h>
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#include <drm/drm_mipi_dbi.h>
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#include <drm/drm_modeset_helper.h>
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#include <video/mipi_display.h>
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#define ILI9341_FRMCTR1 0xb1
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#define ILI9341_DISCTRL 0xb6
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#define ILI9341_ETMOD 0xb7
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#define ILI9341_PWCTRL1 0xc0
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#define ILI9341_PWCTRL2 0xc1
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#define ILI9341_VMCTRL1 0xc5
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#define ILI9341_VMCTRL2 0xc7
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#define ILI9341_PWCTRLA 0xcb
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#define ILI9341_PWCTRLB 0xcf
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#define ILI9341_PGAMCTRL 0xe0
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#define ILI9341_NGAMCTRL 0xe1
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#define ILI9341_DTCTRLA 0xe8
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#define ILI9341_DTCTRLB 0xea
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#define ILI9341_PWRSEQ 0xed
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#define ILI9341_EN3GAM 0xf2
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#define ILI9341_PUMPCTRL 0xf7
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#define ILI9341_MADCTL_BGR BIT(3)
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#define ILI9341_MADCTL_MV BIT(5)
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#define ILI9341_MADCTL_MX BIT(6)
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#define ILI9341_MADCTL_MY BIT(7)
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#define ST77XX_MADCTL_MY 0x80
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#define ST77XX_MADCTL_MX 0x40
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#define ST77XX_MADCTL_MV 0x20
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@ -32,54 +57,58 @@
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#define ST77XX_MADCTL_BGR 0x08
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#define ST77XX_MADCTL_RGB 0x00
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static u32 col_offset = 0;
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static u32 row_offset = 0;
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static u8 col_hack_fix_offset = 0;
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static short x_offset = 0;
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static short y_offset = 0;
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static void st7789vada_enable(struct drm_simple_display_pipe *pipe,
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static void mi0283qt_enable(struct drm_simple_display_pipe *pipe,
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struct drm_crtc_state *crtc_state,
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struct drm_plane_state *plane_state)
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{
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struct tinydrm_device *tdev = pipe_to_tinydrm(pipe);
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struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);
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struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev);
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struct mipi_dbi *dbi = &dbidev->dbi;
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u8 addr_mode;
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int ret;
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int ret, idx;
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if (!drm_dev_enter(pipe->crtc.dev, &idx))
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return;
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DRM_DEBUG_KMS("\n");
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ret = mipi_dbi_poweron_conditional_reset(mipi);
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ret = mipi_dbi_poweron_conditional_reset(dbidev);
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if (ret < 0)
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return;
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goto out_exit;
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if (ret == 1)
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goto out_enable;
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mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_OFF);
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mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_OFF);
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mipi_dbi_command(mipi, MIPI_DCS_SOFT_RESET);
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mipi_dbi_command(dbi, MIPI_DCS_SOFT_RESET);
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msleep(150);
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mipi_dbi_command(mipi, MIPI_DCS_EXIT_SLEEP_MODE);
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mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE);
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msleep(10);
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mipi_dbi_command(mipi, MIPI_DCS_SET_PIXEL_FORMAT, 0x55); // 16 bit color
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mipi_dbi_command(dbi, MIPI_DCS_SET_PIXEL_FORMAT, 0x55); // 16 bit color
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msleep(10);
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mipi_dbi_command(mipi, MIPI_DCS_SET_ADDRESS_MODE, 0);
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mipi_dbi_command(mipi, MIPI_DCS_SET_COLUMN_ADDRESS, 0, 0, 0, 240);
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mipi_dbi_command(mipi, MIPI_DCS_SET_PAGE_ADDRESS, 0, 0, 320>>8, 320&0xFF);
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mipi_dbi_command(mipi, MIPI_DCS_ENTER_INVERT_MODE); // odd hack, displays are inverted
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mipi_dbi_command(mipi, MIPI_DCS_ENTER_NORMAL_MODE);
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mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, 0);
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mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, 0, 0, 0, 240);
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mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, 0, 0, 320>>8, 320&0xFF);
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mipi_dbi_command(dbi, MIPI_DCS_ENTER_INVERT_MODE); // odd hack, displays are inverted
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mipi_dbi_command(dbi, MIPI_DCS_ENTER_NORMAL_MODE);
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msleep(10);
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mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_ON);
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mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON);
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msleep(10);
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out_enable:
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/* The PiTFT (ili9340) has a hardware reset circuit that
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/* The PiTFT has a hardware reset circuit that
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* resets only on power-on and not on each reboot through
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* a gpio like the rpi-display does.
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* As a result, we need to always apply the rotation value
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* regardless of the display "on/off" state.
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*/
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switch (mipi->rotation) {
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switch (dbidev->rotation) {
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default:
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addr_mode = 0;
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x_offset = col_offset;
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@ -102,202 +131,144 @@ out_enable:
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y_offset = col_offset;
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break;
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}
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mipi_dbi_command(mipi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode);
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mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode);
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mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_ON);
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mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON);
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mipi_dbi_enable_flush(mipi, crtc_state, plane_state);
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backlight_enable(mipi->backlight);
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mipi_dbi_enable_flush(dbidev, crtc_state, plane_state);
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out_exit:
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drm_dev_exit(idx);
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}
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static const struct drm_simple_display_pipe_funcs st7789vada_pipe_funcs = {
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.enable = st7789vada_enable,
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static const struct drm_simple_display_pipe_funcs mi0283qt_pipe_funcs = {
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.enable = mi0283qt_enable,
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.disable = mipi_dbi_pipe_disable,
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.update = tinydrm_display_pipe_update,
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.update = mipi_dbi_pipe_update,
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.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
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};
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static struct drm_display_mode st7789vada_mode = {
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TINYDRM_MODE(240, 320, 25, 15), // width, height, mm_w, mm_h
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static const struct drm_display_mode mi0283qt_mode = {
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DRM_SIMPLE_MODE(240, 320, 58, 43),
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};
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DEFINE_DRM_GEM_CMA_FOPS(st7789vada_fops);
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DEFINE_DRM_GEM_CMA_FOPS(mi0283qt_fops);
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static struct drm_driver st7789vada_driver = {
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.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
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DRIVER_ATOMIC,
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.fops = &st7789vada_fops,
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TINYDRM_GEM_DRIVER_OPS,
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static struct drm_driver mi0283qt_driver = {
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.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
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.fops = &mi0283qt_fops,
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.release = mipi_dbi_release,
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DRM_GEM_CMA_VMAP_DRIVER_OPS,
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.debugfs_init = mipi_dbi_debugfs_init,
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.name = "st7789vada",
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.desc = "ST7789V Adafruit",
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.date = "20190914",
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.name = "mi0283qt",
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.desc = "Multi-Inno MI0283QT",
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.date = "20160614",
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.major = 1,
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.minor = 0,
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};
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static const struct of_device_id st7789vada_of_match[] = {
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static const struct of_device_id mi0283qt_of_match[] = {
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{ .compatible = "multi-inno,mi0283qt" },
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{},
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};
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MODULE_DEVICE_TABLE(of, st7789vada_of_match);
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MODULE_DEVICE_TABLE(of, mi0283qt_of_match);
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static const struct spi_device_id st7789vada_id[] = {
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{ "st7789vada", 0 },
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static const struct spi_device_id mi0283qt_id[] = {
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{ "mi0283qt", 0 },
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{ },
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};
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MODULE_DEVICE_TABLE(spi, st7789vada_id);
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MODULE_DEVICE_TABLE(spi, mi0283qt_id);
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static const struct drm_framebuffer_funcs st7789vada_fb_funcs = {
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.destroy = drm_gem_fb_destroy,
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.create_handle = drm_gem_fb_create_handle,
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.dirty = tinydrm_fb_dirty,
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};
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static const uint32_t st7789vada_formats[] = {
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DRM_FORMAT_RGB565,
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DRM_FORMAT_XRGB8888,
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};
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static int st7789vada_fb_dirty(struct drm_framebuffer *fb,
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struct drm_file *file_priv,
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unsigned int flags, unsigned int color,
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struct drm_clip_rect *clips,
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unsigned int num_clips)
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static void st7789vada_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
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{
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struct drm_gem_cma_object *cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
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struct tinydrm_device *tdev = fb->dev->dev_private;
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struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);
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bool swap = mipi->swap_bytes;
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struct drm_clip_rect clip;
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int ret = 0;
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struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(fb->dev);
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unsigned int height = rect->y2 - rect->y1;
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unsigned int width = rect->x2 - rect->x1;
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struct mipi_dbi *dbi = &dbidev->dbi;
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bool swap = dbi->swap_bytes;
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u16 x_start, y_start;
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u16 x1, x2, y1, y2;
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int idx, ret = 0;
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bool full;
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void *tr;
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u16 x1, x2, y1, y2;
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if (!mipi->enabled)
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return 0;
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if (!dbidev->enabled)
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return;
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full = tinydrm_merge_clips(&clip, clips, num_clips, flags,
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fb->width, fb->height);
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if (!drm_dev_enter(fb->dev, &idx))
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return;
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DRM_DEBUG("Flushing [FB:%d] x1=%u, x2=%u, y1=%u, y2=%u\n", fb->base.id,
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clip.x1, clip.x2, clip.y1, clip.y2);
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full = width == fb->width && height == fb->height;
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if (!mipi->dc || !full || swap ||
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DRM_DEBUG_KMS("Flushing [FB:%d] " DRM_RECT_FMT "\n", fb->base.id, DRM_RECT_ARG(rect));
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if (!dbi->dc || !full || swap ||
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fb->format->format == DRM_FORMAT_XRGB8888) {
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tr = mipi->tx_buf;
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ret = mipi_dbi_buf_copy(mipi->tx_buf, fb, &clip, swap);
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tr = dbidev->tx_buf;
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ret = mipi_dbi_buf_copy(dbidev->tx_buf, fb, rect, swap);
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if (ret)
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return ret;
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goto err_msg;
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} else {
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tr = cma_obj->vaddr;
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}
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x1 = clip.x1 + x_offset;
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x2 = clip.x2 - 1 + x_offset;
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y1 = clip.y1 + y_offset;
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y2 = clip.y2 - 1 + y_offset;
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x1 = rect->x1 + x_offset;
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x2 = rect->x2 - 1 + x_offset;
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y1 = rect->y1 + y_offset;
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y2 = rect->y2 - 1 + y_offset;
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//printk(KERN_INFO "setaddrwin %d %d %d %d\n", x1, y1, x2, y2);
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printk(KERN_INFO "setaddrwin %d %d %d %d\n", x1, y1, x2, y2);
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mipi_dbi_command(mipi, MIPI_DCS_SET_COLUMN_ADDRESS,
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mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS,
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(x1 >> 8) & 0xFF, x1 & 0xFF,
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(x2 >> 8) & 0xFF, x2 & 0xFF);
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mipi_dbi_command(mipi, MIPI_DCS_SET_PAGE_ADDRESS,
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mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS,
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(y1 >> 8) & 0xFF, y1 & 0xFF,
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(y2 >> 8) & 0xFF, y2 & 0xFF);
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ret = mipi_dbi_command_buf(mipi, MIPI_DCS_WRITE_MEMORY_START, tr,
|
||||
(clip.x2 - clip.x1) * (clip.y2 - clip.y1) * 2);
|
||||
ret = mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START, tr,
|
||||
width*height * 2);
|
||||
err_msg:
|
||||
if (ret)
|
||||
dev_err_once(fb->dev->dev, "Failed to update display %d\n", ret);
|
||||
|
||||
return ret;
|
||||
drm_dev_exit(idx);
|
||||
}
|
||||
|
||||
/**
|
||||
* st7789vada - MIPI DBI initialization
|
||||
* @dev: Parent device
|
||||
* @mipi: &mipi_dbi structure to initialize
|
||||
* @pipe_funcs: Display pipe functions
|
||||
* @driver: DRM driver
|
||||
* @mode: Display mode
|
||||
* @rotation: Initial rotation in degrees Counter Clock Wise
|
||||
*
|
||||
* This function initializes a &mipi_dbi structure and it's underlying
|
||||
* @tinydrm_device. It also sets up the display pipeline.
|
||||
*
|
||||
* Supported formats: Native RGB565 and emulated XRGB8888.
|
||||
*
|
||||
* Objects created by this function will be automatically freed on driver
|
||||
* detach (devres).
|
||||
*
|
||||
* Returns:
|
||||
* Zero on success, negative error code on failure.
|
||||
*/
|
||||
int st7789vada_init(struct device *dev, struct mipi_dbi *mipi,
|
||||
const struct drm_simple_display_pipe_funcs *pipe_funcs,
|
||||
struct drm_driver *driver,
|
||||
const struct drm_display_mode *mode, unsigned int rotation)
|
||||
{
|
||||
size_t bufsize = mode->vdisplay * mode->hdisplay * sizeof(u16);
|
||||
struct tinydrm_device *tdev = &mipi->tinydrm;
|
||||
int ret;
|
||||
|
||||
if (!mipi->command)
|
||||
return -EINVAL;
|
||||
|
||||
mutex_init(&mipi->cmdlock);
|
||||
|
||||
mipi->tx_buf = devm_kmalloc(dev, bufsize, GFP_KERNEL);
|
||||
if (!mipi->tx_buf)
|
||||
return -ENOMEM;
|
||||
|
||||
ret = devm_tinydrm_init(dev, tdev, &st7789vada_fb_funcs, driver);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
tdev->fb_dirty = st7789vada_fb_dirty;
|
||||
|
||||
/* TODO: Maybe add DRM_MODE_CONNECTOR_SPI */
|
||||
ret = tinydrm_display_pipe_init(tdev, pipe_funcs,
|
||||
DRM_MODE_CONNECTOR_VIRTUAL,
|
||||
st7789vada_formats,
|
||||
ARRAY_SIZE(st7789vada_formats), mode,
|
||||
rotation);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
tdev->drm->mode_config.preferred_depth = 16;
|
||||
mipi->rotation = rotation;
|
||||
|
||||
drm_mode_config_reset(tdev->drm);
|
||||
|
||||
DRM_DEBUG_KMS("preferred_depth=%u, rotation = %u\n",
|
||||
tdev->drm->mode_config.preferred_depth, rotation);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int st7789vada_probe(struct spi_device *spi)
|
||||
static int mi0283qt_probe(struct spi_device *spi)
|
||||
{
|
||||
struct device *dev = &spi->dev;
|
||||
struct mipi_dbi *mipi;
|
||||
struct mipi_dbi_dev *dbidev;
|
||||
struct drm_device *drm;
|
||||
struct mipi_dbi *dbi;
|
||||
struct gpio_desc *dc;
|
||||
u32 rotation = 0;
|
||||
u32 width = 240;
|
||||
u32 height = 320;
|
||||
int ret;
|
||||
|
||||
mipi = devm_kzalloc(dev, sizeof(*mipi), GFP_KERNEL);
|
||||
if (!mipi)
|
||||
dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
|
||||
if (!dbidev)
|
||||
return -ENOMEM;
|
||||
|
||||
mipi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(mipi->reset)) {
|
||||
printk(KERN_INFO "ST7789 fake driver\n");
|
||||
|
||||
dbi = &dbidev->dbi;
|
||||
drm = &dbidev->drm;
|
||||
ret = devm_drm_dev_init(dev, drm, &mi0283qt_driver);
|
||||
if (ret) {
|
||||
kfree(dbidev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
drm_mode_config_init(drm);
|
||||
|
||||
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(dbi->reset)) {
|
||||
DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
|
||||
return PTR_ERR(mipi->reset);
|
||||
return PTR_ERR(dbi->reset);
|
||||
}
|
||||
|
||||
dc = devm_gpiod_get_optional(dev, "dc", GPIOD_OUT_LOW);
|
||||
|
|
@ -306,16 +277,19 @@ static int st7789vada_probe(struct spi_device *spi)
|
|||
return PTR_ERR(dc);
|
||||
}
|
||||
|
||||
mipi->regulator = devm_regulator_get(dev, "power");
|
||||
if (IS_ERR(mipi->regulator))
|
||||
return PTR_ERR(mipi->regulator);
|
||||
dbidev->regulator = devm_regulator_get(dev, "power");
|
||||
if (IS_ERR(dbidev->regulator))
|
||||
return PTR_ERR(dbidev->regulator);
|
||||
|
||||
mipi->backlight = devm_of_find_backlight(dev);
|
||||
if (IS_ERR(mipi->backlight))
|
||||
return PTR_ERR(mipi->backlight);
|
||||
dbidev->backlight = devm_of_find_backlight(dev);
|
||||
if (IS_ERR(dbidev->backlight))
|
||||
return PTR_ERR(dbidev->backlight);
|
||||
|
||||
device_property_read_u32(dev, "rotation", &rotation);
|
||||
//printk(KERN_INFO "Rotation %d\n", rotation);
|
||||
|
||||
ret = mipi_dbi_spi_init(spi, dbi, dc);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
device_property_read_u32(dev, "width", &width);
|
||||
if (width % 2) {
|
||||
|
|
@ -324,84 +298,84 @@ static int st7789vada_probe(struct spi_device *spi)
|
|||
} else {
|
||||
col_hack_fix_offset = 0;
|
||||
}
|
||||
//printk(KERN_INFO "Width %d\n", width);
|
||||
printk(KERN_INFO "Width %d\n", width);
|
||||
if ((width == 0) || (width > 240)) {
|
||||
width = 240; // default to full framebuff;
|
||||
}
|
||||
device_property_read_u32(dev, "height", &height);
|
||||
//printk(KERN_INFO "Height %d\n", height);
|
||||
printk(KERN_INFO "Height %d\n", height);
|
||||
if ((height == 0) || (height > 320)) {
|
||||
height = 320; // default to full framebuff;
|
||||
}
|
||||
|
||||
st7789vada_mode.hdisplay = st7789vada_mode.hsync_start =
|
||||
st7789vada_mode.hsync_end = st7789vada_mode.htotal = width;
|
||||
st7789vada_mode.vdisplay = st7789vada_mode.vsync_start =
|
||||
st7789vada_mode.vsync_end = st7789vada_mode.vtotal = height;
|
||||
|
||||
device_property_read_u32(dev, "col_offset", &col_offset);
|
||||
//printk(KERN_INFO "Column offset %d\n", col_offset);
|
||||
printk(KERN_INFO "Column offset %d\n", col_offset);
|
||||
|
||||
device_property_read_u32(dev, "row_offset", &row_offset);
|
||||
//printk(KERN_INFO "Row offset %d\n", row_offset);
|
||||
printk(KERN_INFO "Row offset %d\n", row_offset);
|
||||
|
||||
ret = mipi_dbi_spi_init(spi, mipi, dc);
|
||||
ret = mipi_dbi_dev_init(dbidev, &mi0283qt_pipe_funcs, &mi0283qt_mode, rotation);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* Cannot read from this controller via SPI */
|
||||
mipi->read_commands = NULL;
|
||||
drm_mode_config_reset(drm);
|
||||
|
||||
ret = st7789vada_init(&spi->dev, mipi, &st7789vada_pipe_funcs,
|
||||
&st7789vada_driver, &st7789vada_mode, rotation);
|
||||
ret = drm_dev_register(drm, 0);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
spi_set_drvdata(spi, mipi);
|
||||
spi_set_drvdata(spi, drm);
|
||||
|
||||
return devm_tinydrm_register(&mipi->tinydrm);
|
||||
}
|
||||
|
||||
static void st7789vada_shutdown(struct spi_device *spi)
|
||||
{
|
||||
struct mipi_dbi *mipi = spi_get_drvdata(spi);
|
||||
|
||||
tinydrm_shutdown(&mipi->tinydrm);
|
||||
}
|
||||
|
||||
static int __maybe_unused st7789vada_pm_suspend(struct device *dev)
|
||||
{
|
||||
struct mipi_dbi *mipi = dev_get_drvdata(dev);
|
||||
|
||||
return drm_mode_config_helper_suspend(mipi->tinydrm.drm);
|
||||
}
|
||||
|
||||
static int __maybe_unused st7789vada_pm_resume(struct device *dev)
|
||||
{
|
||||
struct mipi_dbi *mipi = dev_get_drvdata(dev);
|
||||
|
||||
drm_mode_config_helper_resume(mipi->tinydrm.drm);
|
||||
drm_fbdev_generic_setup(drm, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dev_pm_ops st7789vada_pm_ops = {
|
||||
SET_SYSTEM_SLEEP_PM_OPS(st7789vada_pm_suspend, st7789vada_pm_resume)
|
||||
static int mi0283qt_remove(struct spi_device *spi)
|
||||
{
|
||||
struct drm_device *drm = spi_get_drvdata(spi);
|
||||
|
||||
drm_dev_unplug(drm);
|
||||
drm_atomic_helper_shutdown(drm);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mi0283qt_shutdown(struct spi_device *spi)
|
||||
{
|
||||
drm_atomic_helper_shutdown(spi_get_drvdata(spi));
|
||||
}
|
||||
|
||||
static int __maybe_unused mi0283qt_pm_suspend(struct device *dev)
|
||||
{
|
||||
return drm_mode_config_helper_suspend(dev_get_drvdata(dev));
|
||||
}
|
||||
|
||||
static int __maybe_unused mi0283qt_pm_resume(struct device *dev)
|
||||
{
|
||||
drm_mode_config_helper_resume(dev_get_drvdata(dev));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dev_pm_ops mi0283qt_pm_ops = {
|
||||
SET_SYSTEM_SLEEP_PM_OPS(mi0283qt_pm_suspend, mi0283qt_pm_resume)
|
||||
};
|
||||
|
||||
static struct spi_driver st7789vada_spi_driver = {
|
||||
static struct spi_driver mi0283qt_spi_driver = {
|
||||
.driver = {
|
||||
.name = "st7789vada",
|
||||
.name = "mi0283qt",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = st7789vada_of_match,
|
||||
.pm = &st7789vada_pm_ops,
|
||||
.of_match_table = mi0283qt_of_match,
|
||||
.pm = &mi0283qt_pm_ops,
|
||||
},
|
||||
.id_table = st7789vada_id,
|
||||
.probe = st7789vada_probe,
|
||||
.shutdown = st7789vada_shutdown,
|
||||
.id_table = mi0283qt_id,
|
||||
.probe = mi0283qt_probe,
|
||||
.remove = mi0283qt_remove,
|
||||
.shutdown = mi0283qt_shutdown,
|
||||
};
|
||||
module_spi_driver(st7789vada_spi_driver);
|
||||
module_spi_driver(mi0283qt_spi_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Sitronix ST7789V Flexible DRM driver");
|
||||
MODULE_AUTHOR("Limor Fried");
|
||||
MODULE_AUTHOR("Noralf Trønnes + Limor Fried");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
Loading…
Reference in a new issue