Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=969529021a5c3df74ea8f10d329b2427e559a90f
Commit:     969529021a5c3df74ea8f10d329b2427e559a90f
Parent:     107cc64b7f3956e53e040307e5021abad6d4202a
Author:     [EMAIL PROTECTED] <[EMAIL PROTECTED]>
AuthorDate: Tue Jul 17 04:06:09 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Jul 17 10:23:15 2007 -0700

    OMAP: LCD panel support for the Siemens SX1 mobile phone
    
    - Add support for LCD panel on Siemens sx1 mobile phone.
    
    Signed-off-by: Trilok Soni <[EMAIL PROTECTED]>
    Cc: Tony Lindgren <[EMAIL PROTECTED]>
    Cc: "Antonino A. Daplas" <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 drivers/video/omap/Makefile  |    1 +
 drivers/video/omap/lcd_sx1.c |  334 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 335 insertions(+), 0 deletions(-)

diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index ed13889..99da8b6 100644
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -23,6 +23,7 @@ objs-y$(CONFIG_MACH_OMAP_PALMZ71) += lcd_palmz71.o
 objs-$(CONFIG_ARCH_OMAP16XX)$(CONFIG_MACH_OMAP_INNOVATOR) += lcd_inn1610.o
 objs-$(CONFIG_ARCH_OMAP15XX)$(CONFIG_MACH_OMAP_INNOVATOR) += lcd_inn1510.o
 objs-y$(CONFIG_MACH_OMAP_OSK) += lcd_osk.o
+objs-y$(CONFIG_MACH_SX1) += lcd_sx1.o
 
 omapfb-objs := $(objs-yy)
 
diff --git a/drivers/video/omap/lcd_sx1.c b/drivers/video/omap/lcd_sx1.c
new file mode 100644
index 0000000..c4f306a
--- /dev/null
+++ b/drivers/video/omap/lcd_sx1.c
@@ -0,0 +1,334 @@
+/*
+ * LCD panel support for the Siemens SX1 mobile phone
+ *
+ * Current version : [EMAIL PROTECTED], great help from FCA00000
+ *
+ * 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 <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/omapfb.h>
+#include <asm/arch/mcbsp.h>
+#include <asm/arch/mux.h>
+
+/*
+ * OMAP310 GPIO registers
+ */
+#define GPIO_DATA_INPUT                0xfffce000
+#define GPIO_DATA_OUTPUT       0xfffce004
+#define GPIO_DIR_CONTROL       0xfffce008
+#define GPIO_INT_CONTROL       0xfffce00c
+#define GPIO_INT_MASK          0xfffce010
+#define GPIO_INT_STATUS                0xfffce014
+#define GPIO_PIN_CONTROL       0xfffce018
+
+
+#define A_LCD_SSC_RD   3
+#define A_LCD_SSC_SD   7
+#define _A_LCD_RESET   9
+#define _A_LCD_SSC_CS  12
+#define _A_LCD_SSC_A0  13
+
+#define DSP_REG                0xE1017024
+
+const unsigned char INIT_1[12] = {
+       0x1C, 0x02, 0x88, 0x00, 0x1E, 0xE0, 0x00, 0xDC, 0x00, 0x02, 0x00
+};
+
+const unsigned char INIT_2[127] = {
+       0x15, 0x00, 0x29, 0x00, 0x3E, 0x00, 0x51, 0x00,
+       0x65, 0x00, 0x7A, 0x00, 0x8D, 0x00, 0xA1, 0x00,
+       0xB6, 0x00, 0xC7, 0x00, 0xD8, 0x00, 0xEB, 0x00,
+       0xFB, 0x00, 0x0B, 0x01, 0x1B, 0x01, 0x27, 0x01,
+       0x34, 0x01, 0x41, 0x01, 0x4C, 0x01, 0x55, 0x01,
+       0x5F, 0x01, 0x68, 0x01, 0x70, 0x01, 0x78, 0x01,
+       0x7E, 0x01, 0x86, 0x01, 0x8C, 0x01, 0x94, 0x01,
+       0x9B, 0x01, 0xA1, 0x01, 0xA4, 0x01, 0xA9, 0x01,
+       0xAD, 0x01, 0xB2, 0x01, 0xB7, 0x01, 0xBC, 0x01,
+       0xC0, 0x01, 0xC4, 0x01, 0xC8, 0x01, 0xCB, 0x01,
+       0xCF, 0x01, 0xD2, 0x01, 0xD5, 0x01, 0xD8, 0x01,
+       0xDB, 0x01, 0xE0, 0x01, 0xE3, 0x01, 0xE6, 0x01,
+       0xE8, 0x01, 0xEB, 0x01, 0xEE, 0x01, 0xF1, 0x01,
+       0xF3, 0x01, 0xF8, 0x01, 0xF9, 0x01, 0xFC, 0x01,
+       0x00, 0x02, 0x03, 0x02, 0x07, 0x02, 0x09, 0x02,
+       0x0E, 0x02, 0x13, 0x02, 0x1C, 0x02, 0x00
+};
+
+const unsigned char INIT_3[15] = {
+       0x14, 0x26, 0x33, 0x3D, 0x45, 0x4D, 0x53, 0x59,
+       0x5E, 0x63, 0x67, 0x6D, 0x71, 0x78, 0xFF
+};
+
+static void epson_sendbyte(int flag, unsigned char byte)
+{
+       int i, shifter = 0x80;
+
+       if (!flag)
+               omap_set_gpio_dataout(_A_LCD_SSC_A0, 0);
+       mdelay(2);
+       omap_set_gpio_dataout(A_LCD_SSC_RD, 1);
+
+       omap_set_gpio_dataout(A_LCD_SSC_SD, flag);
+
+       OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200);
+       OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202);
+       for (i = 0; i < 8; i++) {
+               OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200);
+               omap_set_gpio_dataout(A_LCD_SSC_SD, shifter & byte);
+               OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202);
+               shifter >>= 1;
+       }
+       omap_set_gpio_dataout(_A_LCD_SSC_A0, 1);
+}
+
+static void init_system(void)
+{
+       omap_mcbsp_request(OMAP_MCBSP3);
+       omap_mcbsp_stop(OMAP_MCBSP3);
+}
+
+static void setup_GPIO(void)
+{
+       /* new wave */
+       omap_request_gpio(A_LCD_SSC_RD);
+       omap_request_gpio(A_LCD_SSC_SD);
+       omap_request_gpio(_A_LCD_RESET);
+       omap_request_gpio(_A_LCD_SSC_CS);
+       omap_request_gpio(_A_LCD_SSC_A0);
+
+       /* set all GPIOs to output */
+       omap_set_gpio_direction(A_LCD_SSC_RD, 0);
+       omap_set_gpio_direction(A_LCD_SSC_SD, 0);
+       omap_set_gpio_direction(_A_LCD_RESET, 0);
+       omap_set_gpio_direction(_A_LCD_SSC_CS, 0);
+       omap_set_gpio_direction(_A_LCD_SSC_A0, 0);
+
+       /* set GPIO data */
+       omap_set_gpio_dataout(A_LCD_SSC_RD, 1);
+       omap_set_gpio_dataout(A_LCD_SSC_SD, 0);
+       omap_set_gpio_dataout(_A_LCD_RESET, 0);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_A0, 1);
+}
+
+static void display_init(void)
+{
+       int i;
+
+       omap_cfg_reg(MCBSP3_CLKX);
+
+       mdelay(2);
+       setup_GPIO();
+       mdelay(2);
+
+       /* reset LCD */
+       omap_set_gpio_dataout(A_LCD_SSC_SD, 1);
+       epson_sendbyte(0, 0x25);
+
+       omap_set_gpio_dataout(_A_LCD_RESET, 0);
+       mdelay(10);
+       omap_set_gpio_dataout(_A_LCD_RESET, 1);
+
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       mdelay(2);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD, phase 1 */
+       epson_sendbyte(0, 0xCA);
+       for (i = 0; i < 10; i++)
+               epson_sendbyte(1, INIT_1[i]);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 2 */
+       epson_sendbyte(0, 0xCB);
+       for (i = 0; i < 125; i++)
+               epson_sendbyte(1, INIT_2[i]);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 2a */
+       epson_sendbyte(0, 0xCC);
+       for (i = 0; i < 14; i++)
+               epson_sendbyte(1, INIT_3[i]);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 3 */
+       epson_sendbyte(0, 0xBC);
+       epson_sendbyte(1, 0x08);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 4 */
+       epson_sendbyte(0, 0x07);
+       epson_sendbyte(1, 0x05);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 5 */
+       epson_sendbyte(0, 0x94);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 6 */
+       epson_sendbyte(0, 0xC6);
+       epson_sendbyte(1, 0x80);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       mdelay(100); /* used to be 1000 */
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 7 */
+       epson_sendbyte(0, 0x16);
+       epson_sendbyte(1, 0x02);
+       epson_sendbyte(1, 0x00);
+       epson_sendbyte(1, 0xB1);
+       epson_sendbyte(1, 0x00);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 8 */
+       epson_sendbyte(0, 0x76);
+       epson_sendbyte(1, 0x00);
+       epson_sendbyte(1, 0x00);
+       epson_sendbyte(1, 0xDB);
+       epson_sendbyte(1, 0x00);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       /* init LCD phase 9 */
+       epson_sendbyte(0, 0xAF);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+}
+
+static int sx1_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
+{
+       return 0;
+}
+
+static void sx1_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static void sx1_panel_disable(struct lcd_panel *panel)
+{
+       printk(KERN_INFO "SX1: LCD panel disable\n");
+       sx1_setmmipower(0);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+
+       epson_sendbyte(0, 0x25);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       epson_sendbyte(0, 0xAE);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+       mdelay(100);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+       epson_sendbyte(0, 0x95);
+       omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+}
+
+static int sx1_panel_enable(struct lcd_panel *panel)
+{
+       printk(KERN_INFO "lcd_sx1: LCD panel enable\n");
+       init_system();
+       display_init();
+
+       sx1_setmmipower(1);
+       sx1_setbacklight(0x18);
+       sx1_setkeylight (0x06);
+       return 0;
+}
+
+
+static unsigned long sx1_panel_get_caps(struct lcd_panel *panel)
+{
+       return 0;
+}
+
+struct lcd_panel sx1_panel = {
+       .name           = "sx1",
+       .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
+                         OMAP_LCDC_INV_HSYNC | OMAP_LCDC_INV_PIX_CLOCK |
+                         OMAP_LCDC_INV_OUTPUT_EN,
+
+       .x_res          = 176,
+       .y_res          = 220,
+       .data_lines     = 16,
+       .bpp            = 16,
+       .hsw            = 5,
+       .hfp            = 5,
+       .hbp            = 5,
+       .vsw            = 2,
+       .vfp            = 1,
+       .vbp            = 1,
+       .pixel_clock    = 1500,
+
+       .init           = sx1_panel_init,
+       .cleanup        = sx1_panel_cleanup,
+       .enable         = sx1_panel_enable,
+       .disable        = sx1_panel_disable,
+       .get_caps       = sx1_panel_get_caps,
+};
+
+static int sx1_panel_probe(struct platform_device *pdev)
+{
+       omapfb_register_panel(&sx1_panel);
+       return 0;
+}
+
+static int sx1_panel_remove(struct platform_device *pdev)
+{
+       return 0;
+}
+
+static int sx1_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
+{
+       return 0;
+}
+
+static int sx1_panel_resume(struct platform_device *pdev)
+{
+       return 0;
+}
+
+struct platform_driver sx1_panel_driver = {
+       .probe          = sx1_panel_probe,
+       .remove         = sx1_panel_remove,
+       .suspend        = sx1_panel_suspend,
+       .resume         = sx1_panel_resume,
+       .driver = {
+               .name   = "lcd_sx1",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int sx1_panel_drv_init(void)
+{
+       return platform_driver_register(&sx1_panel_driver);
+}
+
+static void sx1_panel_drv_cleanup(void)
+{
+       platform_driver_unregister(&sx1_panel_driver);
+}
+
+module_init(sx1_panel_drv_init);
+module_exit(sx1_panel_drv_cleanup);
-
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