linux/drivers/staging/fbtft/fb_hx8340bn.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * FB driver for the HX8340BN LCD Controller
 *
 * This display uses 9-bit SPI: Data/Command bit + 8 data bits
 * For platforms that doesn't support 9-bit, the driver is capable
 * of emulating this using 8-bit transfer.
 * This is done by transferring eight 9-bit words in 9 bytes.
 *
 * Copyright (C) 2013 Noralf Tronnes
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include <video/mipi_display.h>

#include "fbtft.h"

#define DRVNAME …
#define WIDTH …
#define HEIGHT …
#define TXBUFLEN …
#define DEFAULT_GAMMA …

static bool emulate;
module_param(emulate, bool, 0000);
MODULE_PARM_DESC(…) …;

static int init_display(struct fbtft_par *par)
{ … }

static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{ … }

static int set_var(struct fbtft_par *par)
{ … }

/*
 * Gamma Curve selection, GC (only GC0 can be customized):
 *   0 = 2.2, 1 = 1.8, 2 = 2.5, 3 = 1.0
 * Gamma string format:
 *   OP0 OP1 CP0 CP1 CP2 CP3 CP4 MP0 MP1 MP2 MP3 MP4 MP5 CGM0 CGM1
 *   ON0 ON1 CN0 CN1 CN2 CN3 CN4 MN0 MN1 MN2 MN3 MN4 MN5 XXXX  GC
 */
#define CURVE …
static int set_gamma(struct fbtft_par *par, u32 *curves)
{ … }

#undef CURVE

static struct fbtft_display display = …;

FBTFT_REGISTER_DRIVER(…);

MODULE_ALIAS(…) …;
MODULE_ALIAS(…) …;
MODULE_ALIAS(…) …;
MODULE_ALIAS(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;