--- /dev/null
+/*
+ * LCD panel driver for Board based on S5PC100 and S5PC110.
+ *
+ * Author: InKi Dae <inki.dae@samsung.com>
+ *
+ * Derived from drivers/video/omap/lcd-apollon.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/gpio.h>
+
+#define SLEEPMSEC 0x1000
+#define ENDDEF 0x2000
+#define DEFMASK 0xFF00
+#define COMMAND_ONLY 0xFE
+#define DATA_ONLY 0xFF
+
+#define PACKET_LEN 8
+
+struct s6d16a0x_platform_data {
+ struct s5pc11x_gpio_bank *cs_bank;
+ struct s5pc11x_gpio_bank *clk_bank;
+ struct s5pc11x_gpio_bank *si_bank;
+ struct s5pc11x_gpio_bank *so_bank;
+
+ unsigned int cs_num;
+ unsigned int clk_num;
+ unsigned int si_num;
+ unsigned int so_num;
+
+ struct device *dev;
+ struct spi_device *spi;
+ unsigned int power;
+ struct lcd_device *ld;
+ //struct backlight_device *bd;
+ struct s6d16a0x_platform_data *pdata;
+}
+;
+
+/* these machine specific platform data would be setting at universal.c */
+struct s6d16a0x_platform_data *s6d16a0x;
+
+void cs_low_(void)
+{
+ gpio_set_value(s6d16a0x->cs_bank, s6d16a0x->cs_num, 0);
+}
+
+void cs_high_(void)
+{
+ gpio_set_value(s6d16a0x->cs_bank, s6d16a0x->cs_num, 1);
+}
+
+void clk_low_(void)
+{
+ gpio_set_value(s6d16a0x->clk_bank, s6d16a0x->clk_num, 0);
+}
+
+void clk_high_(void)
+{
+ gpio_set_value(s6d16a0x->clk_bank, s6d16a0x->clk_num, 1);
+}
+
+void si_low_(void)
+{
+ gpio_set_value(s6d16a0x->si_bank, s6d16a0x->si_num, 0);
+}
+
+void si_high_(void)
+{
+ gpio_set_value(s6d16a0x->si_bank, s6d16a0x->si_num, 1);
+}
+
+char so_read_(void)
+{
+ return gpio_get_value(s6d16a0x->so_bank, s6d16a0x->so_num);
+}
+
+static const unsigned short SEQ_PASSWD2_SET[] = {
+ 0xF1, 0x5A,
+ DATA_ONLY, 0x5A,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_DISCTL_SET[] = {
+ 0xf2, 0x00,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x62,
+ DATA_ONLY, 0x62,
+ DATA_ONLY, 0x57,
+ DATA_ONLY, 0x57,
+ DATA_ONLY, 0x10,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x00,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PWRCTL_SET[] = {
+ 0xf3, 0x00,
+ DATA_ONLY, 0x10,
+ DATA_ONLY, 0x25,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x2D,
+ DATA_ONLY, 0x2D,
+ DATA_ONLY, 0x24,
+ DATA_ONLY, 0x2D,
+ DATA_ONLY, 0x14,
+ DATA_ONLY, 0x14,
+ DATA_ONLY, 0x12,
+ DATA_ONLY, 0x62,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_VCMCTL_SET[] = {
+ 0xf4, 0x00,
+ DATA_ONLY, 0x23,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x4E,
+ DATA_ONLY, 0x5A,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x4E,
+ DATA_ONLY, 0x5A,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x00,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_SRCCTL_SET[] = {
+ 0xf5, 0x00,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x57,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x14,
+ DATA_ONLY, 0x14,
+ DATA_ONLY, 0x09,
+ DATA_ONLY, 0x09,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PANELCTL1_SET[] = {
+ 0xf6, 0x02,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x80,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x44,
+ DATA_ONLY, 0x00,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PANELCTL2_SET[] = {
+ 0xf7, 0x00,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0xF2,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x1F,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x23,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x07,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x4B,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x8C,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PANELCTL3_SET[] = {
+ 0xf8, 0x00,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0xF2,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x1F,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x23,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x07,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x4B,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x8C,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PANELCTL4_SET[] = {
+ 0xf9, 0x00,
+ DATA_ONLY, 0x08,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x05,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x04,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x0C,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x0F,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x10,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x11,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x1F,
+ DATA_ONLY, 0xFF,
+ DATA_ONLY, 0xE0,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PGAMMACTL_SET[] = {
+ 0xfa, 0x1E,
+ DATA_ONLY, 0x35,
+ DATA_ONLY, 0x2C,
+ DATA_ONLY, 0x0C,
+ DATA_ONLY, 0x0E,
+ DATA_ONLY, 0x0F,
+ DATA_ONLY, 0x11,
+ DATA_ONLY, 0x04,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x1B,
+ DATA_ONLY, 0x10,
+ DATA_ONLY, 0x18,
+ DATA_ONLY, 0x21,
+ DATA_ONLY, 0x1F,
+ DATA_ONLY, 0x1E,
+ DATA_ONLY, 0x1E,
+ DATA_ONLY, 0x35,
+ DATA_ONLY, 0x2C,
+ DATA_ONLY, 0x0C,
+ DATA_ONLY, 0x0E,
+ DATA_ONLY, 0x0F,
+ DATA_ONLY, 0x11,
+ DATA_ONLY, 0x04,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x1B,
+ DATA_ONLY, 0x10,
+ DATA_ONLY, 0x18,
+ DATA_ONLY, 0x21,
+ DATA_ONLY, 0x1F,
+ DATA_ONLY, 0x1E,
+ DATA_ONLY, 0x23,
+ DATA_ONLY, 0x35,
+ DATA_ONLY, 0x2C,
+ DATA_ONLY, 0x0C,
+ DATA_ONLY, 0x0E,
+ DATA_ONLY, 0x0F,
+ DATA_ONLY, 0x11,
+ DATA_ONLY, 0x04,
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x1B,
+ DATA_ONLY, 0x10,
+ DATA_ONLY, 0x19,
+ DATA_ONLY, 0x22,
+ DATA_ONLY, 0x22,
+ DATA_ONLY, 0x22,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_NGAMMACTL_SET[] = {
+ 0xFB, 0x01,
+ DATA_ONLY, 0x1C,
+ DATA_ONLY, 0x1D,
+ DATA_ONLY, 0x1C,
+ DATA_ONLY, 0x3B,
+ DATA_ONLY, 0x43,
+ DATA_ONLY, 0x4A,
+ DATA_ONLY, 0x3F,
+ DATA_ONLY, 0x3A,
+ DATA_ONLY, 0x54,
+ DATA_ONLY, 0x4B,
+ DATA_ONLY, 0x4A,
+ DATA_ONLY, 0x48,
+ DATA_ONLY, 0x26,
+ DATA_ONLY, 0x0D,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x1C,
+ DATA_ONLY, 0x1D,
+ DATA_ONLY, 0x1C,
+ DATA_ONLY, 0x3B,
+ DATA_ONLY, 0x43,
+ DATA_ONLY, 0x4A,
+ DATA_ONLY, 0x3F,
+ DATA_ONLY, 0x39,
+ DATA_ONLY, 0x54,
+ DATA_ONLY, 0x4B,
+ DATA_ONLY, 0x4A,
+ DATA_ONLY, 0x48,
+ DATA_ONLY, 0x26,
+ DATA_ONLY, 0x0D,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x17,
+ DATA_ONLY, 0x18,
+ DATA_ONLY, 0x19,
+ DATA_ONLY, 0x39,
+ DATA_ONLY, 0x43,
+ DATA_ONLY, 0x4A,
+ DATA_ONLY, 0x3E,
+ DATA_ONLY, 0x3A,
+ DATA_ONLY, 0x54,
+ DATA_ONLY, 0x4B,
+ DATA_ONLY, 0x4A,
+ DATA_ONLY, 0x48,
+ DATA_ONLY, 0x26,
+ DATA_ONLY, 0x0D,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_CLKCTL3_SET[] = {
+ 0xB7, 0x00,
+
+ DATA_ONLY, 0x11,
+ DATA_ONLY, 0x11,
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_HOSTCTL1_SET[] = {
+ 0xB8, 0x31,
+
+ DATA_ONLY, 0x11,
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_HOSTCTL2_SET[] = {
+ 0xB9, 0x00,
+
+ DATA_ONLY, 0x06,
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_TEON_SET[] = {
+ COMMAND_ONLY, 0x35,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_CASET[] = {
+ 0x2A, 0x00,
+
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0x3F,
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_PASET[] = {
+ 0x2B, 0x00,
+
+ DATA_ONLY, 0x00,
+ DATA_ONLY, 0x01,
+ DATA_ONLY, 0xDF,
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_COLMOD[] = {
+ 0x3A, 0x77,
+ 0x36, 0xCF,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_WRCTRLD[] = {
+ 0x53, 0x00,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_SLPOUT[] = {
+ 0x11, COMMAND_ONLY,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_DISPON[] = {
+ 0x29, COMMAND_ONLY,
+
+ ENDDEF, 0x0000
+};
+
+static const unsigned short SEQ_DISPOFF[] = {
+ 0x28, COMMAND_ONLY,
+
+ ENDDEF, 0x0000
+};
+
+unsigned char Delay=1;
+
+static void s6d16a0x_c110_spi_write_byte(unsigned char address, unsigned char command)
+{
+ int j;
+ unsigned short data;
+ data = (address << 8) + command;
+
+ cs_high_();
+ si_high_();
+ clk_high_();
+ udelay(Delay);
+
+ cs_low_();
+ udelay(Delay);
+
+ for (j = PACKET_LEN; j >= 0; j--)
+ {
+ clk_low_();
+
+ /* data high or low */
+ if ((data >> j) & 0x0001)
+ si_high_();
+ else
+ si_low_();
+
+ udelay(Delay);
+
+ clk_high_();
+ udelay(Delay);
+ }
+
+ cs_high_();
+ udelay(Delay);
+}
+
+
+static unsigned char s6d16a0x_c110_spi_read_byte(unsigned char select, unsigned char address)
+{
+ int j;
+ static unsigned int first = 1;
+ unsigned char DELAY=1;
+ unsigned short data = 0;
+ char command = 0;
+
+ data = (select << 8) + address;
+
+ cs_high();
+ si_high();
+ clk_high();
+ udelay(DELAY);
+
+ clk_low();
+ udelay(DELAY);
+
+ for (j = PACKET_LEN + 8; j >= 0; j--)
+ {
+
+ if (j > 7) {
+ clk_low();
+
+ /* data high or low */
+ if ((data >> (j - 8)) & 0x0001)
+ si_high();
+ else
+ si_low();
+
+ udelay(DELAY);
+ clk_high();
+ } else {
+ if (first) {
+ gpio_cfg_pin(s6d16a0x->so_bank, s6d16a0x->so_num, GPIO_INPUT);
+ first = 0;
+ }
+
+ clk_low();
+
+ if (so_read() & 0x1)
+ command |= 1 << j;
+ else
+ command |= 0 << j;
+
+ udelay(DELAY);
+ clk_high();
+ }
+
+ udelay(DELAY);
+ }
+
+ cs_high();
+ udelay(DELAY);
+
+ gpio_cfg_pin(s6d16a0x->so_bank, s6d16a0x->so_num, GPIO_OUTPUT);
+
+ return command;
+}
+
+static void s6d16a0x_spi_write(unsigned char address, unsigned char command)
+{
+ if (address != DATA_ONLY)
+ s6d16a0x_c110_spi_write_byte(0x0, address);
+
+ if (command != COMMAND_ONLY)
+ s6d16a0x_c110_spi_write_byte(0x1, command);
+}
+
+static void s6d16a0x_panel_send_sequence(const unsigned short *wbuf)
+{
+ int i = 0;
+
+ while ((wbuf[i] & DEFMASK) != ENDDEF) {
+ if ((wbuf[i] & DEFMASK) != SLEEPMSEC)
+ s6d16a0x_spi_write(wbuf[i], wbuf[i+1]);
+ else
+ udelay(wbuf[i+1]*1000);
+ i += 2;
+ }
+}
+
+void s6d16a0x_cfg_ldo(void)
+{
+ s6d16a0x_panel_send_sequence(SEQ_PASSWD2_SET);
+ s6d16a0x_panel_send_sequence(SEQ_DISCTL_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PWRCTL_SET);
+ s6d16a0x_panel_send_sequence(SEQ_VCMCTL_SET);
+ s6d16a0x_panel_send_sequence(SEQ_SRCCTL_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PANELCTL1_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PANELCTL2_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PANELCTL3_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PANELCTL4_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PGAMMACTL_SET);
+ s6d16a0x_panel_send_sequence(SEQ_NGAMMACTL_SET);
+ s6d16a0x_panel_send_sequence(SEQ_CLKCTL3_SET);
+ s6d16a0x_panel_send_sequence(SEQ_HOSTCTL1_SET);
+ s6d16a0x_panel_send_sequence(SEQ_HOSTCTL2_SET);
+ s6d16a0x_panel_send_sequence(SEQ_TEON_SET);
+ s6d16a0x_panel_send_sequence(SEQ_PASSWD2_SET);
+ s6d16a0x_panel_send_sequence(SEQ_CASET);
+ s6d16a0x_panel_send_sequence(SEQ_PASET);
+ s6d16a0x_panel_send_sequence(SEQ_COLMOD);
+ s6d16a0x_panel_send_sequence(SEQ_WRCTRLD);
+ s6d16a0x_panel_send_sequence(SEQ_SLPOUT);
+ udelay(120000);
+}
+
+void s6d16a0x_enable_ldo(unsigned int onoff)
+{
+ if (onoff) {
+ s6d16a0x_panel_send_sequence(SEQ_DISPON);
+ }
+}
+
+/* this function would be called at universal.c */
+void s6d16a0x_set_platform_data(struct s6d16a0x_platform_data *pd)
+{
+ if (pd == NULL) {
+ printf("pd is NULL.\n");
+ return;
+ }
+
+ s6d16a0x = pd;
+}
projects / kernel / u-boot.git / commitdiff