mtd: Drop unused scf0403_lcd driver

This is not used since this commit:

   76386d6195a arm: Remove cm_t35 board

Drop the driver and Kconfig option.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 0 insertions, 297 deletions

diff --git a/drivers/video/scf0403_lcd.c b/drivers/video/scf0403_lcd.c
deleted file mode 100644
index 54f0f88b4c9..00000000000
--- a/drivers/video/scf0403_lcd.c
+++ /dev/null
@@ -1,297 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * scf0403.c -- support for DataImage SCF0403 LCD
- *
- * Copyright (c) 2013 Adapted from Linux driver:
- * Copyright (c) 2012 Anders Electronics plc. All Rights Reserved.
- * Copyright (c) 2012 CompuLab, Ltd
- *           Dmitry Lifshitz <lifshitz@compulab.co.il>
- *           Ilya Ledvich <ilya@compulab.co.il>
- * Inspired by Alberto Panizzo <maramaopercheseimorto@gmail.com> &
- *	Marek Vasut work in l4f00242t03.c
- *
- * U-Boot port: Nikita Kiryanov <nikita@compulab.co.il>
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <asm/gpio.h>
-#include <spi.h>
-#include <linux/delay.h>
-
-struct scf0403_cmd {
-	u16 cmd;
-	u16 *params;
-	int count;
-};
-
-struct scf0403_initseq_entry {
-	struct scf0403_cmd cmd;
-	int delay_ms;
-};
-
-struct scf0403_priv {
-	struct spi_slave *spi;
-	unsigned int reset_gpio;
-	u32 rddid;
-	struct scf0403_initseq_entry *init_seq;
-	int seq_size;
-};
-
-struct scf0403_priv priv;
-
-#define SCF0403852GGU04_ID 0x000080
-
-/* SCF0403526GGU20 model commands parameters */
-static u16 extcmd_params_sn20[]		= {0xff, 0x98, 0x06};
-static u16 spiinttype_params_sn20[]	= {0x60};
-static u16 bc_params_sn20[]		= {
-		0x01, 0x10, 0x61, 0x74, 0x01, 0x01, 0x1B,
-		0x12, 0x71, 0x00, 0x00, 0x00, 0x01, 0x01,
-		0x05, 0x00, 0xFF, 0xF2, 0x01, 0x00, 0x40,
-};
-static u16 bd_params_sn20[] = {0x01, 0x23, 0x45, 0x67, 0x01, 0x23, 0x45, 0x67};
-static u16 be_params_sn20[] = {
-		0x01, 0x22, 0x22, 0xBA, 0xDC, 0x26, 0x28, 0x22,	0x22,
-};
-static u16 vcom_params_sn20[]		= {0x74};
-static u16 vmesur_params_sn20[]		= {0x7F, 0x0F, 0x00};
-static u16 powerctl_params_sn20[]	= {0x03, 0x0b, 0x00};
-static u16 lvglvolt_params_sn20[]	= {0x08};
-static u16 engsetting_params_sn20[]	= {0x00, 0x00, 0x00, 0x00, 0x00, 0x20};
-static u16 dispfunc_params_sn20[]	= {0xa0};
-static u16 dvddvolt_params_sn20[]	= {0x74};
-static u16 dispinv_params_sn20[]	= {0x00, 0x00, 0x00};
-static u16 panelres_params_sn20[]	= {0x82};
-static u16 framerate_params_sn20[]	= {0x00, 0x13, 0x13};
-static u16 timing_params_sn20[]		= {0x80, 0x05, 0x40, 0x28};
-static u16 powerctl2_params_sn20[]	= {0x17, 0x75, 0x79, 0x20};
-static u16 memaccess_params_sn20[]	= {0x00};
-static u16 pixfmt_params_sn20[]		= {0x66};
-static u16 pgamma_params_sn20[]		= {
-		0x00, 0x03, 0x0b, 0x0c, 0x0e, 0x08, 0xc5, 0x04,
-		0x08, 0x0c, 0x13, 0x11, 0x11, 0x14, 0x0c, 0x10,
-};
-static u16 ngamma_params_sn20[] = {
-		0x00, 0x0d, 0x11, 0x0c, 0x0c, 0x04, 0x76, 0x03,
-		0x08, 0x0b, 0x16, 0x10, 0x0d, 0x16, 0x0a, 0x00,
-};
-static u16 tearing_params_sn20[] = {0x00};
-
-/* SCF0403852GGU04 model commands parameters */
-static u16 memaccess_params_sn04[]	= {0x08};
-static u16 pixfmt_params_sn04[]		= {0x66};
-static u16 modectl_params_sn04[]	= {0x01};
-static u16 dispfunc_params_sn04[]	= {0x22, 0xe2, 0xFF, 0x04};
-static u16 vcom_params_sn04[]		= {0x00, 0x6A};
-static u16 pgamma_params_sn04[]		= {
-		0x00, 0x07, 0x0d, 0x10, 0x13, 0x19, 0x0f, 0x0c,
-		0x05, 0x08, 0x06, 0x13,	0x0f, 0x30, 0x20, 0x1f,
-};
-static u16 ngamma_params_sn04[]		= {
-		0x1F, 0x20, 0x30, 0x0F, 0x13, 0x06, 0x08, 0x05,
-		0x0C, 0x0F, 0x19, 0x13, 0x10, 0x0D, 0x07, 0x00,
-};
-static u16 dispinv_params_sn04[]	= {0x02};
-
-/* Common commands */
-static struct scf0403_cmd scf0403_cmd_slpout	= {0x11, NULL, 0};
-static struct scf0403_cmd scf0403_cmd_dison	= {0x29, NULL, 0};
-
-/* SCF0403852GGU04 init sequence */
-static struct scf0403_initseq_entry scf0403_initseq_sn04[] = {
-	{{0x36, memaccess_params_sn04,	ARRAY_SIZE(memaccess_params_sn04)}, 0},
-	{{0x3A, pixfmt_params_sn04,	ARRAY_SIZE(pixfmt_params_sn04)}, 0},
-	{{0xB6, dispfunc_params_sn04,	ARRAY_SIZE(dispfunc_params_sn04)}, 0},
-	{{0xC5, vcom_params_sn04,	ARRAY_SIZE(vcom_params_sn04)}, 0},
-	{{0xE0, pgamma_params_sn04,	ARRAY_SIZE(pgamma_params_sn04)}, 0},
-	{{0xE1, ngamma_params_sn04,	ARRAY_SIZE(ngamma_params_sn04)}, 20},
-	{{0xB0, modectl_params_sn04,	ARRAY_SIZE(modectl_params_sn04)}, 0},
-	{{0xB4, dispinv_params_sn04,	ARRAY_SIZE(dispinv_params_sn04)}, 100},
-};
-
-/* SCF0403526GGU20 init sequence */
-static struct scf0403_initseq_entry scf0403_initseq_sn20[] = {
-	{{0xff, extcmd_params_sn20,	ARRAY_SIZE(extcmd_params_sn20)}, 0},
-	{{0xba, spiinttype_params_sn20,	ARRAY_SIZE(spiinttype_params_sn20)}, 0},
-	{{0xbc, bc_params_sn20,		ARRAY_SIZE(bc_params_sn20)}, 0},
-	{{0xbd, bd_params_sn20,		ARRAY_SIZE(bd_params_sn20)}, 0},
-	{{0xbe, be_params_sn20,		ARRAY_SIZE(be_params_sn20)}, 0},
-	{{0xc7, vcom_params_sn20,	ARRAY_SIZE(vcom_params_sn20)}, 0},
-	{{0xed, vmesur_params_sn20,	ARRAY_SIZE(vmesur_params_sn20)}, 0},
-	{{0xc0, powerctl_params_sn20,	ARRAY_SIZE(powerctl_params_sn20)}, 0},
-	{{0xfc, lvglvolt_params_sn20,	ARRAY_SIZE(lvglvolt_params_sn20)}, 0},
-	{{0xb6, dispfunc_params_sn20,	ARRAY_SIZE(dispfunc_params_sn20)}, 0},
-	{{0xdf, engsetting_params_sn20,	ARRAY_SIZE(engsetting_params_sn20)}, 0},
-	{{0xf3, dvddvolt_params_sn20,	ARRAY_SIZE(dvddvolt_params_sn20)}, 0},
-	{{0xb4, dispinv_params_sn20,	ARRAY_SIZE(dispinv_params_sn20)}, 0},
-	{{0xf7, panelres_params_sn20,	ARRAY_SIZE(panelres_params_sn20)}, 0},
-	{{0xb1, framerate_params_sn20,	ARRAY_SIZE(framerate_params_sn20)}, 0},
-	{{0xf2, timing_params_sn20,	ARRAY_SIZE(timing_params_sn20)}, 0},
-	{{0xc1, powerctl2_params_sn20,	ARRAY_SIZE(powerctl2_params_sn20)}, 0},
-	{{0x36, memaccess_params_sn20,	ARRAY_SIZE(memaccess_params_sn20)}, 0},
-	{{0x3a, pixfmt_params_sn20,	ARRAY_SIZE(pixfmt_params_sn20)}, 0},
-	{{0xe0, pgamma_params_sn20,	ARRAY_SIZE(pgamma_params_sn20)}, 0},
-	{{0xe1, ngamma_params_sn20,	ARRAY_SIZE(ngamma_params_sn20)}, 0},
-	{{0x35, tearing_params_sn20,	ARRAY_SIZE(tearing_params_sn20)}, 0},
-};
-
-static void scf0403_gpio_reset(unsigned int gpio)
-{
-	if (!gpio_is_valid(gpio))
-		return;
-
-	gpio_set_value(gpio, 1);
-	mdelay(100);
-	gpio_set_value(gpio, 0);
-	mdelay(40);
-	gpio_set_value(gpio, 1);
-	mdelay(100);
-}
-
-static int scf0403_spi_read_rddid(struct spi_slave *spi, u32 *rddid)
-{
-	int error = 0;
-	u8 ids_buf = 0x00;
-	u16 dummy_buf = 0x00;
-	u16 cmd = 0x04;
-
-	error = spi_set_wordlen(spi, 9);
-	if (error)
-		return error;
-
-	/* Here 9 bits required to transmit a command */
-	error = spi_xfer(spi, 9, &cmd, NULL, SPI_XFER_ONCE);
-	if (error)
-		return error;
-
-	/*
-	 * Here 8 + 1 bits required to arrange extra clock cycle
-	 * before the first data bit.
-	 * According to the datasheet - first parameter is the dummy data.
-	 */
-	error = spi_xfer(spi, 9, NULL, &dummy_buf, SPI_XFER_ONCE);
-	if (error)
-		return error;
-
-	error = spi_set_wordlen(spi, 8);
-	if (error)
-		return error;
-
-	/* Read rest of the data */
-	error = spi_xfer(spi, 8, NULL, &ids_buf, SPI_XFER_ONCE);
-	if (error)
-		return error;
-
-	*rddid = ids_buf;
-
-	return 0;
-}
-
-static int scf0403_spi_transfer(struct spi_slave *spi, struct scf0403_cmd *cmd)
-{
-	int i, error;
-	u32 command = cmd->cmd;
-	u32 msg;
-
-	error = spi_set_wordlen(spi, 9);
-	if (error)
-		return error;
-
-	error = spi_xfer(spi, 9, &command, NULL, SPI_XFER_ONCE);
-	if (error)
-		return error;
-
-	for (i = 0; i < cmd->count; i++) {
-		msg = (cmd->params[i] | 0x100);
-		error = spi_xfer(spi, 9, &msg, NULL, SPI_XFER_ONCE);
-		if (error)
-			return error;
-	}
-
-	return 0;
-}
-
-static void scf0403_lcd_init(struct scf0403_priv *priv)
-{
-	int i;
-
-	/* reset LCD */
-	scf0403_gpio_reset(priv->reset_gpio);
-
-	for (i = 0; i < priv->seq_size; i++) {
-		if (scf0403_spi_transfer(priv->spi, &priv->init_seq[i].cmd) < 0)
-			puts("SPI transfer failed\n");
-
-		mdelay(priv->init_seq[i].delay_ms);
-	}
-}
-
-static int scf0403_request_reset_gpio(unsigned gpio)
-{
-	int err = gpio_request(gpio, "lcd reset");
-
-	if (err)
-		return err;
-
-	err = gpio_direction_output(gpio, 0);
-	if (err)
-		gpio_free(gpio);
-
-	return err;
-}
-
-int scf0403_init(int reset_gpio)
-{
-	int error;
-
-	if (gpio_is_valid(reset_gpio)) {
-		error = scf0403_request_reset_gpio(reset_gpio);
-		if (error) {
-			printf("Failed requesting reset GPIO%d: %d\n",
-			       reset_gpio, error);
-			return error;
-		}
-	}
-
-	priv.reset_gpio = reset_gpio;
-	priv.spi = spi_setup_slave(3, 0, 1000000, SPI_MODE_0);
-	error = spi_claim_bus(priv.spi);
-	if (error)
-		goto bus_claim_fail;
-
-	/* reset LCD */
-	scf0403_gpio_reset(reset_gpio);
-
-	error = scf0403_spi_read_rddid(priv.spi, &priv.rddid);
-	if (error) {
-		puts("IDs read failed\n");
-		goto readid_fail;
-	}
-
-	if (priv.rddid == SCF0403852GGU04_ID) {
-		priv.init_seq = scf0403_initseq_sn04;
-		priv.seq_size = ARRAY_SIZE(scf0403_initseq_sn04);
-	} else {
-		priv.init_seq = scf0403_initseq_sn20;
-		priv.seq_size = ARRAY_SIZE(scf0403_initseq_sn20);
-	}
-
-	scf0403_lcd_init(&priv);
-
-	/* Start operation */
-	scf0403_spi_transfer(priv.spi, &scf0403_cmd_dison);
-	mdelay(100);
-	scf0403_spi_transfer(priv.spi, &scf0403_cmd_slpout);
-	spi_release_bus(priv.spi);
-
-	return 0;
-
-readid_fail:
-	spi_release_bus(priv.spi);
-bus_claim_fail:
-	if (gpio_is_valid(priv.reset_gpio))
-		gpio_free(priv.reset_gpio);
-
-	return error;
-}