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path: root/drivers/staging/msm/mddi_sharp.c
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Diffstat (limited to 'drivers/staging/msm/mddi_sharp.c')
-rw-r--r--drivers/staging/msm/mddi_sharp.c892
1 files changed, 892 insertions, 0 deletions
diff --git a/drivers/staging/msm/mddi_sharp.c b/drivers/staging/msm/mddi_sharp.c
new file mode 100644
index 000000000000..1da1be4052d0
--- /dev/null
+++ b/drivers/staging/msm/mddi_sharp.c
@@ -0,0 +1,892 @@
+/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include "msm_fb.h"
+#include "mddihost.h"
+#include "mddihosti.h"
+
+#define SHARP_QVGA_PRIM 1
+#define SHARP_128X128_SECD 2
+
+extern uint32 mddi_host_core_version;
+static boolean mddi_debug_prim_wait = FALSE;
+static boolean mddi_sharp_vsync_wake = TRUE;
+static boolean mddi_sharp_monitor_refresh_value = TRUE;
+static boolean mddi_sharp_report_refresh_measurements = FALSE;
+static uint32 mddi_sharp_rows_per_second = 13830; /* 5200000/376 */
+static uint32 mddi_sharp_rows_per_refresh = 338;
+static uint32 mddi_sharp_usecs_per_refresh = 24440; /* (376+338)/5200000 */
+static boolean mddi_sharp_debug_60hz_refresh = FALSE;
+
+extern mddi_gpio_info_type mddi_gpio;
+extern boolean mddi_vsync_detect_enabled;
+static msm_fb_vsync_handler_type mddi_sharp_vsync_handler;
+static void *mddi_sharp_vsync_handler_arg;
+static uint16 mddi_sharp_vsync_attempts;
+
+static void mddi_sharp_prim_lcd_init(void);
+static void mddi_sharp_sub_lcd_init(void);
+static void mddi_sharp_lcd_set_backlight(struct msm_fb_data_type *mfd);
+static void mddi_sharp_vsync_set_handler(msm_fb_vsync_handler_type handler,
+ void *);
+static void mddi_sharp_lcd_vsync_detected(boolean detected);
+static struct msm_panel_common_pdata *mddi_sharp_pdata;
+
+#define REG_SYSCTL 0x0000
+#define REG_INTR 0x0006
+#define REG_CLKCNF 0x000C
+#define REG_CLKDIV1 0x000E
+#define REG_CLKDIV2 0x0010
+
+#define REG_GIOD 0x0040
+#define REG_GIOA 0x0042
+
+#define REG_AGM 0x010A
+#define REG_FLFT 0x0110
+#define REG_FRGT 0x0112
+#define REG_FTOP 0x0114
+#define REG_FBTM 0x0116
+#define REG_FSTRX 0x0118
+#define REG_FSTRY 0x011A
+#define REG_VRAM 0x0202
+#define REG_SSDCTL 0x0330
+#define REG_SSD0 0x0332
+#define REG_PSTCTL1 0x0400
+#define REG_PSTCTL2 0x0402
+#define REG_PTGCTL 0x042A
+#define REG_PTHP 0x042C
+#define REG_PTHB 0x042E
+#define REG_PTHW 0x0430
+#define REG_PTHF 0x0432
+#define REG_PTVP 0x0434
+#define REG_PTVB 0x0436
+#define REG_PTVW 0x0438
+#define REG_PTVF 0x043A
+#define REG_VBLKS 0x0458
+#define REG_VBLKE 0x045A
+#define REG_SUBCTL 0x0700
+#define REG_SUBTCMD 0x0702
+#define REG_SUBTCMDD 0x0704
+#define REG_REVBYTE 0x0A02
+#define REG_REVCNT 0x0A04
+#define REG_REVATTR 0x0A06
+#define REG_REVFMT 0x0A08
+
+#define SHARP_SUB_UNKNOWN 0xffffffff
+#define SHARP_SUB_HYNIX 1
+#define SHARP_SUB_ROHM 2
+
+static uint32 sharp_subpanel_type = SHARP_SUB_UNKNOWN;
+
+static void sub_through_write(int sub_rs, uint32 sub_data)
+{
+ mddi_queue_register_write(REG_SUBTCMDD, sub_data, FALSE, 0);
+
+ /* CS=1,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x000e | sub_rs, FALSE, 0);
+
+ /* CS=0,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x0006 | sub_rs, FALSE, 0);
+
+ /* CS=0,RD=1,WE=0,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x0004 | sub_rs, FALSE, 0);
+
+ /* CS=0,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x0006 | sub_rs, FALSE, 0);
+
+ /* CS=1,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x000e | sub_rs, TRUE, 0);
+}
+
+static uint32 sub_through_read(int sub_rs)
+{
+ uint32 sub_data;
+
+ /* CS=1,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x000e | sub_rs, FALSE, 0);
+
+ /* CS=0,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x0006 | sub_rs, FALSE, 0);
+
+ /* CS=0,RD=1,WE=0,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x0002 | sub_rs, TRUE, 0);
+
+ mddi_queue_register_read(REG_SUBTCMDD, &sub_data, TRUE, 0);
+
+ /* CS=0,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x0006 | sub_rs, FALSE, 0);
+
+ /* CS=1,RD=1,WE=1,RS=sub_rs */
+ mddi_queue_register_write(REG_SUBTCMD, 0x000e | sub_rs, TRUE, 0);
+
+ return sub_data;
+}
+
+static void serigo(uint32 ssd)
+{
+ uint32 ssdctl;
+
+ mddi_queue_register_read(REG_SSDCTL, &ssdctl, TRUE, 0);
+ ssdctl = ((ssdctl & 0xE7) | 0x02);
+
+ mddi_queue_register_write(REG_SSD0, ssd, FALSE, 0);
+ mddi_queue_register_write(REG_SSDCTL, ssdctl, TRUE, 0);
+
+ do {
+ mddi_queue_register_read(REG_SSDCTL, &ssdctl, TRUE, 0);
+ } while ((ssdctl & 0x0002) != 0);
+
+ if (mddi_debug_prim_wait)
+ mddi_wait(2);
+}
+
+static void mddi_sharp_lcd_powerdown(void)
+{
+ serigo(0x0131);
+ serigo(0x0300);
+ mddi_wait(40);
+ serigo(0x0135);
+ mddi_wait(20);
+ serigo(0x2122);
+ mddi_wait(20);
+ serigo(0x0201);
+ mddi_wait(20);
+ serigo(0x2100);
+ mddi_wait(20);
+ serigo(0x2000);
+ mddi_wait(20);
+
+ mddi_queue_register_write(REG_PSTCTL1, 0x1, TRUE, 0);
+ mddi_wait(100);
+ mddi_queue_register_write(REG_PSTCTL1, 0x0, TRUE, 0);
+ mddi_wait(2);
+ mddi_queue_register_write(REG_SYSCTL, 0x1, TRUE, 0);
+ mddi_wait(2);
+ mddi_queue_register_write(REG_CLKDIV1, 0x3, TRUE, 0);
+ mddi_wait(2);
+ mddi_queue_register_write(REG_SSDCTL, 0x0000, TRUE, 0); /* SSDRESET */
+ mddi_queue_register_write(REG_SYSCTL, 0x0, TRUE, 0);
+ mddi_wait(2);
+}
+
+static void mddi_sharp_lcd_set_backlight(struct msm_fb_data_type *mfd)
+{
+ uint32 regdata;
+ int32 level;
+ int max = mfd->panel_info.bl_max;
+ int min = mfd->panel_info.bl_min;
+
+ if (mddi_sharp_pdata && mddi_sharp_pdata->backlight_level) {
+ level = mddi_sharp_pdata->backlight_level(mfd->bl_level,
+ max,
+ min);
+
+ if (level < 0)
+ return;
+
+ /* use Rodem GPIO(2:0) to give 8 levels of backlight (7-0) */
+ /* Set lower 3 GPIOs as Outputs (set to 0) */
+ mddi_queue_register_read(REG_GIOA, &regdata, TRUE, 0);
+ mddi_queue_register_write(REG_GIOA, regdata & 0xfff8, TRUE, 0);
+
+ /* Set lower 3 GPIOs as level */
+ mddi_queue_register_read(REG_GIOD, &regdata, TRUE, 0);
+ mddi_queue_register_write(REG_GIOD,
+ (regdata & 0xfff8) | (0x07 & level), TRUE, 0);
+ }
+}
+
+static void mddi_sharp_prim_lcd_init(void)
+{
+ mddi_queue_register_write(REG_SYSCTL, 0x4000, TRUE, 0);
+ mddi_wait(1);
+ mddi_queue_register_write(REG_SYSCTL, 0x0000, TRUE, 0);
+ mddi_wait(5);
+ mddi_queue_register_write(REG_SYSCTL, 0x0001, FALSE, 0);
+ mddi_queue_register_write(REG_CLKDIV1, 0x000b, FALSE, 0);
+
+ /* new reg write below */
+ if (mddi_sharp_debug_60hz_refresh)
+ mddi_queue_register_write(REG_CLKCNF, 0x070d, FALSE, 0);
+ else
+ mddi_queue_register_write(REG_CLKCNF, 0x0708, FALSE, 0);
+
+ mddi_queue_register_write(REG_SYSCTL, 0x0201, FALSE, 0);
+ mddi_queue_register_write(REG_PTGCTL, 0x0010, FALSE, 0);
+ mddi_queue_register_write(REG_PTHP, 4, FALSE, 0);
+ mddi_queue_register_write(REG_PTHB, 40, FALSE, 0);
+ mddi_queue_register_write(REG_PTHW, 240, FALSE, 0);
+ if (mddi_sharp_debug_60hz_refresh)
+ mddi_queue_register_write(REG_PTHF, 12, FALSE, 0);
+ else
+ mddi_queue_register_write(REG_PTHF, 92, FALSE, 0);
+
+ mddi_wait(1);
+
+ mddi_queue_register_write(REG_PTVP, 1, FALSE, 0);
+ mddi_queue_register_write(REG_PTVB, 2, FALSE, 0);
+ mddi_queue_register_write(REG_PTVW, 320, FALSE, 0);
+ mddi_queue_register_write(REG_PTVF, 15, FALSE, 0);
+
+ mddi_wait(1);
+
+ /* vram_color set REG_AGM???? */
+ mddi_queue_register_write(REG_AGM, 0x0000, TRUE, 0);
+
+ mddi_queue_register_write(REG_SSDCTL, 0x0000, FALSE, 0);
+ mddi_queue_register_write(REG_SSDCTL, 0x0001, TRUE, 0);
+ mddi_wait(1);
+ mddi_queue_register_write(REG_PSTCTL1, 0x0001, TRUE, 0);
+ mddi_wait(10);
+
+ serigo(0x0701);
+ /* software reset */
+ mddi_wait(1);
+ /* Wait over 50us */
+
+ serigo(0x0400);
+ /* DCLK~ACHSYNC~ACVSYNC polarity setting */
+ serigo(0x2900);
+ /* EEPROM start read address setting */
+ serigo(0x2606);
+ /* EEPROM start read register setting */
+ mddi_wait(20);
+ /* Wait over 20ms */
+
+ serigo(0x0503);
+ /* Horizontal timing setting */
+ serigo(0x062C);
+ /* Veritical timing setting */
+ serigo(0x2001);
+ /* power initialize setting(VDC2) */
+ mddi_wait(20);
+ /* Wait over 20ms */
+
+ serigo(0x2120);
+ /* Initialize power setting(CPS) */
+ mddi_wait(20);
+ /* Wait over 20ms */
+
+ serigo(0x2130);
+ /* Initialize power setting(CPS) */
+ mddi_wait(20);
+ /* Wait over 20ms */
+
+ serigo(0x2132);
+ /* Initialize power setting(CPS) */
+ mddi_wait(10);
+ /* Wait over 10ms */
+
+ serigo(0x2133);
+ /* Initialize power setting(CPS) */
+ mddi_wait(20);
+ /* Wait over 20ms */
+
+ serigo(0x0200);
+ /* Panel initialize release(INIT) */
+ mddi_wait(1);
+ /* Wait over 1ms */
+
+ serigo(0x0131);
+ /* Panel setting(CPS) */
+ mddi_wait(1);
+ /* Wait over 1ms */
+
+ mddi_queue_register_write(REG_PSTCTL1, 0x0003, TRUE, 0);
+
+ /* if (FFA LCD is upside down) -> serigo(0x0100); */
+ serigo(0x0130);
+
+ /* Black mask release(display ON) */
+ mddi_wait(1);
+ /* Wait over 1ms */
+
+ if (mddi_sharp_vsync_wake) {
+ mddi_queue_register_write(REG_VBLKS, 0x1001, TRUE, 0);
+ mddi_queue_register_write(REG_VBLKE, 0x1002, TRUE, 0);
+ }
+
+ /* Set the MDP pixel data attributes for Primary Display */
+ mddi_host_write_pix_attr_reg(0x00C3);
+ return;
+
+}
+
+void mddi_sharp_sub_lcd_init(void)
+{
+
+ mddi_queue_register_write(REG_SYSCTL, 0x4000, FALSE, 0);
+ mddi_queue_register_write(REG_SYSCTL, 0x0000, TRUE, 0);
+ mddi_wait(100);
+
+ mddi_queue_register_write(REG_SYSCTL, 0x0001, FALSE, 0);
+ mddi_queue_register_write(REG_CLKDIV1, 0x000b, FALSE, 0);
+ mddi_queue_register_write(REG_CLKCNF, 0x0708, FALSE, 0);
+ mddi_queue_register_write(REG_SYSCTL, 0x0201, FALSE, 0);
+ mddi_queue_register_write(REG_PTGCTL, 0x0010, FALSE, 0);
+ mddi_queue_register_write(REG_PTHP, 4, FALSE, 0);
+ mddi_queue_register_write(REG_PTHB, 40, FALSE, 0);
+ mddi_queue_register_write(REG_PTHW, 128, FALSE, 0);
+ mddi_queue_register_write(REG_PTHF, 92, FALSE, 0);
+ mddi_queue_register_write(REG_PTVP, 1, FALSE, 0);
+ mddi_queue_register_write(REG_PTVB, 2, FALSE, 0);
+ mddi_queue_register_write(REG_PTVW, 128, FALSE, 0);
+ mddi_queue_register_write(REG_PTVF, 15, FALSE, 0);
+
+ /* Now the sub display..... */
+ /* Reset High */
+ mddi_queue_register_write(REG_SUBCTL, 0x0200, FALSE, 0);
+ /* CS=1,RD=1,WE=1,RS=1 */
+ mddi_queue_register_write(REG_SUBTCMD, 0x000f, TRUE, 0);
+ mddi_wait(1);
+ /* Wait 5us */
+
+ if (sharp_subpanel_type == SHARP_SUB_UNKNOWN) {
+ uint32 data;
+
+ sub_through_write(1, 0x05);
+ sub_through_write(1, 0x6A);
+ sub_through_write(1, 0x1D);
+ sub_through_write(1, 0x05);
+ data = sub_through_read(1);
+ if (data == 0x6A) {
+ sharp_subpanel_type = SHARP_SUB_HYNIX;
+ } else {
+ sub_through_write(0, 0x36);
+ sub_through_write(1, 0xA8);
+ sub_through_write(0, 0x09);
+ data = sub_through_read(1);
+ data = sub_through_read(1);
+ if (data == 0x54) {
+ sub_through_write(0, 0x36);
+ sub_through_write(1, 0x00);
+ sharp_subpanel_type = SHARP_SUB_ROHM;
+ }
+ }
+ }
+
+ if (sharp_subpanel_type == SHARP_SUB_HYNIX) {
+ sub_through_write(1, 0x00); /* Display setting 1 */
+ sub_through_write(1, 0x04);
+ sub_through_write(1, 0x01);
+ sub_through_write(1, 0x05);
+ sub_through_write(1, 0x0280);
+ sub_through_write(1, 0x0301);
+ sub_through_write(1, 0x0402);
+ sub_through_write(1, 0x0500);
+ sub_through_write(1, 0x0681);
+ sub_through_write(1, 0x077F);
+ sub_through_write(1, 0x08C0);
+ sub_through_write(1, 0x0905);
+ sub_through_write(1, 0x0A02);
+ sub_through_write(1, 0x0B00);
+ sub_through_write(1, 0x0C00);
+ sub_through_write(1, 0x0D00);
+ sub_through_write(1, 0x0E00);
+ sub_through_write(1, 0x0F00);
+
+ sub_through_write(1, 0x100B); /* Display setting 2 */
+ sub_through_write(1, 0x1103);
+ sub_through_write(1, 0x1237);
+ sub_through_write(1, 0x1300);
+ sub_through_write(1, 0x1400);
+ sub_through_write(1, 0x1500);
+ sub_through_write(1, 0x1605);
+ sub_through_write(1, 0x1700);
+ sub_through_write(1, 0x1800);
+ sub_through_write(1, 0x192E);
+ sub_through_write(1, 0x1A00);
+ sub_through_write(1, 0x1B00);
+ sub_through_write(1, 0x1C00);
+
+ sub_through_write(1, 0x151A); /* Power setting */
+
+ sub_through_write(1, 0x2002); /* Gradation Palette setting */
+ sub_through_write(1, 0x2107);
+ sub_through_write(1, 0x220C);
+ sub_through_write(1, 0x2310);
+ sub_through_write(1, 0x2414);
+ sub_through_write(1, 0x2518);
+ sub_through_write(1, 0x261C);
+ sub_through_write(1, 0x2720);
+ sub_through_write(1, 0x2824);
+ sub_through_write(1, 0x2928);
+ sub_through_write(1, 0x2A2B);
+ sub_through_write(1, 0x2B2E);
+ sub_through_write(1, 0x2C31);
+ sub_through_write(1, 0x2D34);
+ sub_through_write(1, 0x2E37);
+ sub_through_write(1, 0x2F3A);
+ sub_through_write(1, 0x303C);
+ sub_through_write(1, 0x313E);
+ sub_through_write(1, 0x323F);
+ sub_through_write(1, 0x3340);
+ sub_through_write(1, 0x3441);
+ sub_through_write(1, 0x3543);
+ sub_through_write(1, 0x3646);
+ sub_through_write(1, 0x3749);
+ sub_through_write(1, 0x384C);
+ sub_through_write(1, 0x394F);
+ sub_through_write(1, 0x3A52);
+ sub_through_write(1, 0x3B59);
+ sub_through_write(1, 0x3C60);
+ sub_through_write(1, 0x3D67);
+ sub_through_write(1, 0x3E6E);
+ sub_through_write(1, 0x3F7F);
+ sub_through_write(1, 0x4001);
+ sub_through_write(1, 0x4107);
+ sub_through_write(1, 0x420C);
+ sub_through_write(1, 0x4310);
+ sub_through_write(1, 0x4414);
+ sub_through_write(1, 0x4518);
+ sub_through_write(1, 0x461C);
+ sub_through_write(1, 0x4720);
+ sub_through_write(1, 0x4824);
+ sub_through_write(1, 0x4928);
+ sub_through_write(1, 0x4A2B);
+ sub_through_write(1, 0x4B2E);
+ sub_through_write(1, 0x4C31);
+ sub_through_write(1, 0x4D34);
+ sub_through_write(1, 0x4E37);
+ sub_through_write(1, 0x4F3A);
+ sub_through_write(1, 0x503C);
+ sub_through_write(1, 0x513E);
+ sub_through_write(1, 0x523F);
+ sub_through_write(1, 0x5340);
+ sub_through_write(1, 0x5441);
+ sub_through_write(1, 0x5543);
+ sub_through_write(1, 0x5646);
+ sub_through_write(1, 0x5749);
+ sub_through_write(1, 0x584C);
+ sub_through_write(1, 0x594F);
+ sub_through_write(1, 0x5A52);
+ sub_through_write(1, 0x5B59);
+ sub_through_write(1, 0x5C60);
+ sub_through_write(1, 0x5D67);
+ sub_through_write(1, 0x5E6E);
+ sub_through_write(1, 0x5F7E);
+ sub_through_write(1, 0x6000);
+ sub_through_write(1, 0x6107);
+ sub_through_write(1, 0x620C);
+ sub_through_write(1, 0x6310);
+ sub_through_write(1, 0x6414);
+ sub_through_write(1, 0x6518);
+ sub_through_write(1, 0x661C);
+ sub_through_write(1, 0x6720);
+ sub_through_write(1, 0x6824);
+ sub_through_write(1, 0x6928);
+ sub_through_write(1, 0x6A2B);
+ sub_through_write(1, 0x6B2E);
+ sub_through_write(1, 0x6C31);
+ sub_through_write(1, 0x6D34);
+ sub_through_write(1, 0x6E37);
+ sub_through_write(1, 0x6F3A);
+ sub_through_write(1, 0x703C);
+ sub_through_write(1, 0x713E);
+ sub_through_write(1, 0x723F);
+ sub_through_write(1, 0x7340);
+ sub_through_write(1, 0x7441);
+ sub_through_write(1, 0x7543);
+ sub_through_write(1, 0x7646);
+ sub_through_write(1, 0x7749);
+ sub_through_write(1, 0x784C);
+ sub_through_write(1, 0x794F);
+ sub_through_write(1, 0x7A52);
+ sub_through_write(1, 0x7B59);
+ sub_through_write(1, 0x7C60);
+ sub_through_write(1, 0x7D67);
+ sub_through_write(1, 0x7E6E);
+ sub_through_write(1, 0x7F7D);
+
+ sub_through_write(1, 0x1851); /* Display on */
+
+ mddi_queue_register_write(REG_AGM, 0x0000, TRUE, 0);
+
+ /* 1 pixel / 1 post clock */
+ mddi_queue_register_write(REG_CLKDIV2, 0x3b00, FALSE, 0);
+
+ /* SUB LCD select */
+ mddi_queue_register_write(REG_PSTCTL2, 0x0080, FALSE, 0);
+
+ /* RS=0,command initiate number=0,select master mode */
+ mddi_queue_register_write(REG_SUBCTL, 0x0202, FALSE, 0);
+
+ /* Sub LCD Data transform start */
+ mddi_queue_register_write(REG_PSTCTL1, 0x0003, FALSE, 0);
+
+ } else if (sharp_subpanel_type == SHARP_SUB_ROHM) {
+
+ sub_through_write(0, 0x01); /* Display setting */
+ sub_through_write(1, 0x00);
+
+ mddi_wait(1);
+ /* Wait 100us <----- ******* Update 2005/01/24 */
+
+ sub_through_write(0, 0xB6);
+ sub_through_write(1, 0x0C);
+ sub_through_write(1, 0x4A);
+ sub_through_write(1, 0x20);
+ sub_through_write(0, 0x3A);
+ sub_through_write(1, 0x05);
+ sub_through_write(0, 0xB7);
+ sub_through_write(1, 0x01);
+ sub_through_write(0, 0xBA);
+ sub_through_write(1, 0x20);
+ sub_through_write(1, 0x02);
+ sub_through_write(0, 0x25);
+ sub_through_write(1, 0x4F);
+ sub_through_write(0, 0xBB);
+ sub_through_write(1, 0x00);
+ sub_through_write(0, 0x36);
+ sub_through_write(1, 0x00);
+ sub_through_write(0, 0xB1);
+ sub_through_write(1, 0x05);
+ sub_through_write(0, 0xBE);
+ sub_through_write(1, 0x80);
+ sub_through_write(0, 0x26);
+ sub_through_write(1, 0x01);
+ sub_through_write(0, 0x2A);
+ sub_through_write(1, 0x02);
+ sub_through_write(1, 0x81);
+ sub_through_write(0, 0x2B);
+ sub_through_write(1, 0x00);
+ sub_through_write(1, 0x7F);
+
+ sub_through_write(0, 0x2C);
+ sub_through_write(0, 0x11); /* Sleep mode off */
+
+ mddi_wait(1);
+ /* Wait 100 ms <----- ******* Update 2005/01/24 */
+
+ sub_through_write(0, 0x29); /* Display on */
+ sub_through_write(0, 0xB3);
+ sub_through_write(1, 0x20);
+ sub_through_write(1, 0xAA);
+ sub_through_write(1, 0xA0);
+ sub_through_write(1, 0x20);
+ sub_through_write(1, 0x30);
+ sub_through_write(1, 0xA6);
+ sub_through_write(1, 0xFF);
+ sub_through_write(1, 0x9A);
+ sub_through_write(1, 0x9F);
+ sub_through_write(1, 0xAF);
+ sub_through_write(1, 0xBC);
+ sub_through_write(1, 0xCF);
+ sub_through_write(1, 0xDF);
+ sub_through_write(1, 0x20);
+ sub_through_write(1, 0x9C);
+ sub_through_write(1, 0x8A);
+
+ sub_through_write(0, 0x002C); /* Display on */
+
+ /* 1 pixel / 2 post clock */
+ mddi_queue_register_write(REG_CLKDIV2, 0x7b00, FALSE, 0);
+
+ /* SUB LCD select */
+ mddi_queue_register_write(REG_PSTCTL2, 0x0080, FALSE, 0);
+
+ /* RS=1,command initiate number=0,select master mode */
+ mddi_queue_register_write(REG_SUBCTL, 0x0242, FALSE, 0);
+
+ /* Sub LCD Data transform start */
+ mddi_queue_register_write(REG_PSTCTL1, 0x0003, FALSE, 0);
+
+ }
+
+ /* Set the MDP pixel data attributes for Sub Display */
+ mddi_host_write_pix_attr_reg(0x00C0);
+}
+
+void mddi_sharp_lcd_vsync_detected(boolean detected)
+{
+ /* static timetick_type start_time = 0; */
+ static struct timeval start_time;
+ static boolean first_time = TRUE;
+ /* uint32 mdp_cnt_val = 0; */
+ /* timetick_type elapsed_us; */
+ struct timeval now;
+ uint32 elapsed_us;
+ uint32 num_vsyncs;
+
+ if ((detected) || (mddi_sharp_vsync_attempts > 5)) {
+ if ((detected) && (mddi_sharp_monitor_refresh_value)) {
+ /* if (start_time != 0) */
+ if (!first_time) {
+ jiffies_to_timeval(jiffies, &now);
+ elapsed_us =
+ (now.tv_sec - start_time.tv_sec) * 1000000 +
+ now.tv_usec - start_time.tv_usec;
+ /*
+ * LCD is configured for a refresh every usecs,
+ * so to determine the number of vsyncs that
+ * have occurred since the last measurement add
+ * half that to the time difference and divide
+ * by the refresh rate.
+ */
+ num_vsyncs = (elapsed_us +
+ (mddi_sharp_usecs_per_refresh >>
+ 1)) /
+ mddi_sharp_usecs_per_refresh;
+ /*
+ * LCD is configured for * hsyncs (rows) per
+ * refresh cycle. Calculate new rows_per_second
+ * value based upon these new measurements.
+ * MDP can update with this new value.
+ */
+ mddi_sharp_rows_per_second =
+ (mddi_sharp_rows_per_refresh * 1000 *
+ num_vsyncs) / (elapsed_us / 1000);
+ }
+ /* start_time = timetick_get(); */
+ first_time = FALSE;
+ jiffies_to_timeval(jiffies, &start_time);
+ if (mddi_sharp_report_refresh_measurements) {
+ /* mdp_cnt_val = MDP_LINE_COUNT; */
+ }
+ }
+ /* if detected = TRUE, client initiated wakeup was detected */
+ if (mddi_sharp_vsync_handler != NULL) {
+ (*mddi_sharp_vsync_handler)
+ (mddi_sharp_vsync_handler_arg);
+ mddi_sharp_vsync_handler = NULL;
+ }
+ mddi_vsync_detect_enabled = FALSE;
+ mddi_sharp_vsync_attempts = 0;
+ /* need to clear this vsync wakeup */
+ if (!mddi_queue_register_write_int(REG_INTR, 0x0000)) {
+ MDDI_MSG_ERR("Vsync interrupt clear failed!\n");
+ }
+ if (!detected) {
+ /* give up after 5 failed attempts but show error */
+ MDDI_MSG_NOTICE("Vsync detection failed!\n");
+ } else if ((mddi_sharp_monitor_refresh_value) &&
+ (mddi_sharp_report_refresh_measurements)) {
+ MDDI_MSG_NOTICE(" Lines Per Second=%d!\n",
+ mddi_sharp_rows_per_second);
+ }
+ } else
+ /* if detected = FALSE, we woke up from hibernation, but did not
+ * detect client initiated wakeup.
+ */
+ mddi_sharp_vsync_attempts++;
+}
+
+/* ISR to be executed */
+void mddi_sharp_vsync_set_handler(msm_fb_vsync_handler_type handler, void *arg)
+{
+ boolean error = FALSE;
+ unsigned long flags;
+
+ /* Disable interrupts */
+ spin_lock_irqsave(&mddi_host_spin_lock, flags);
+ /* INTLOCK(); */
+
+ if (mddi_sharp_vsync_handler != NULL)
+ error = TRUE;
+
+ /* Register the handler for this particular GROUP interrupt source */
+ mddi_sharp_vsync_handler = handler;
+ mddi_sharp_vsync_handler_arg = arg;
+
+ /* Restore interrupts */
+ spin_unlock_irqrestore(&mddi_host_spin_lock, flags);
+ /* INTFREE(); */
+
+ if (error)
+ MDDI_MSG_ERR("MDDI: Previous Vsync handler never called\n");
+
+ /* Enable the vsync wakeup */
+ mddi_queue_register_write(REG_INTR, 0x8100, FALSE, 0);
+
+ mddi_sharp_vsync_attempts = 1;
+ mddi_vsync_detect_enabled = TRUE;
+} /* mddi_sharp_vsync_set_handler */
+
+static int mddi_sharp_lcd_on(struct platform_device *pdev)
+{
+ struct msm_fb_data_type *mfd;
+
+ mfd = platform_get_drvdata(pdev);
+
+ if (!mfd)
+ return -ENODEV;
+
+ if (mfd->key != MFD_KEY)
+ return -EINVAL;
+
+ if (mfd->panel.id == SHARP_QVGA_PRIM)
+ mddi_sharp_prim_lcd_init();
+ else
+ mddi_sharp_sub_lcd_init();
+
+ return 0;
+}
+
+static int mddi_sharp_lcd_off(struct platform_device *pdev)
+{
+ mddi_sharp_lcd_powerdown();
+ return 0;
+}
+
+static int __init mddi_sharp_probe(struct platform_device *pdev)
+{
+ if (pdev->id == 0) {
+ mddi_sharp_pdata = pdev->dev.platform_data;
+ return 0;
+ }
+
+ msm_fb_add_device(pdev);
+
+ return 0;
+}
+
+static struct platform_driver this_driver = {
+ .probe = mddi_sharp_probe,
+ .driver = {
+ .name = "mddi_sharp_qvga",
+ },
+};
+
+static struct msm_fb_panel_data mddi_sharp_panel_data0 = {
+ .on = mddi_sharp_lcd_on,
+ .off = mddi_sharp_lcd_off,
+ .set_backlight = mddi_sharp_lcd_set_backlight,
+ .set_vsync_notifier = mddi_sharp_vsync_set_handler,
+};
+
+static struct platform_device this_device_0 = {
+ .name = "mddi_sharp_qvga",
+ .id = SHARP_QVGA_PRIM,
+ .dev = {
+ .platform_data = &mddi_sharp_panel_data0,
+ }
+};
+
+static struct msm_fb_panel_data mddi_sharp_panel_data1 = {
+ .on = mddi_sharp_lcd_on,
+ .off = mddi_sharp_lcd_off,
+};
+
+static struct platform_device this_device_1 = {
+ .name = "mddi_sharp_qvga",
+ .id = SHARP_128X128_SECD,
+ .dev = {
+ .platform_data = &mddi_sharp_panel_data1,
+ }
+};
+
+static int __init mddi_sharp_init(void)
+{
+ int ret;
+ struct msm_panel_info *pinfo;
+
+#ifdef CONFIG_FB_MSM_MDDI_AUTO_DETECT
+ u32 id;
+
+ ret = msm_fb_detect_client("mddi_sharp_qvga");
+ if (ret == -ENODEV)
+ return 0;
+
+ if (ret) {
+ id = mddi_get_client_id();
+
+ if (((id >> 16) != 0x0) || ((id & 0xffff) != 0x8835))
+ return 0;
+ }
+#endif
+ if (mddi_host_core_version > 8) {
+ /* can use faster refresh with newer hw revisions */
+ mddi_sharp_debug_60hz_refresh = TRUE;
+
+ /* Timing variables for tracking vsync */
+ /* dot_clock = 6.00MHz
+ * horizontal count = 296
+ * vertical count = 338
+ * refresh rate = 6000000/(296+338) = 60Hz
+ */
+ mddi_sharp_rows_per_second = 20270; /* 6000000/296 */
+ mddi_sharp_rows_per_refresh = 338;
+ mddi_sharp_usecs_per_refresh = 16674; /* (296+338)/6000000 */
+ } else {
+ /* Timing variables for tracking vsync */
+ /* dot_clock = 5.20MHz
+ * horizontal count = 376
+ * vertical count = 338
+ * refresh rate = 5200000/(376+338) = 41Hz
+ */
+ mddi_sharp_rows_per_second = 13830; /* 5200000/376 */
+ mddi_sharp_rows_per_refresh = 338;
+ mddi_sharp_usecs_per_refresh = 24440; /* (376+338)/5200000 */
+ }
+
+ ret = platform_driver_register(&this_driver);
+ if (!ret) {
+ pinfo = &mddi_sharp_panel_data0.panel_info;
+ pinfo->xres = 240;
+ pinfo->yres = 320;
+ pinfo->type = MDDI_PANEL;
+ pinfo->pdest = DISPLAY_1;
+ pinfo->mddi.vdopkt = MDDI_DEFAULT_PRIM_PIX_ATTR;
+ pinfo->wait_cycle = 0;
+ pinfo->bpp = 18;
+ pinfo->fb_num = 2;
+ pinfo->clk_rate = 122880000;
+ pinfo->clk_min = 120000000;
+ pinfo->clk_max = 125000000;
+ pinfo->lcd.vsync_enable = TRUE;
+ pinfo->lcd.refx100 =
+ (mddi_sharp_rows_per_second * 100) /
+ mddi_sharp_rows_per_refresh;
+ pinfo->lcd.v_back_porch = 12;
+ pinfo->lcd.v_front_porch = 6;
+ pinfo->lcd.v_pulse_width = 0;
+ pinfo->lcd.hw_vsync_mode = FALSE;
+ pinfo->lcd.vsync_notifier_period = (1 * HZ);
+ pinfo->bl_max = 7;
+ pinfo->bl_min = 1;
+
+ ret = platform_device_register(&this_device_0);
+ if (ret)
+ platform_driver_unregister(&this_driver);
+
+ pinfo = &mddi_sharp_panel_data1.panel_info;
+ pinfo->xres = 128;
+ pinfo->yres = 128;
+ pinfo->type = MDDI_PANEL;
+ pinfo->pdest = DISPLAY_2;
+ pinfo->mddi.vdopkt = 0x400;
+ pinfo->wait_cycle = 0;
+ pinfo->bpp = 18;
+ pinfo->clk_rate = 122880000;
+ pinfo->clk_min = 120000000;
+ pinfo->clk_max = 125000000;
+ pinfo->fb_num = 2;
+
+ ret = platform_device_register(&this_device_1);
+ if (ret) {
+ platform_device_unregister(&this_device_0);
+ platform_driver_unregister(&this_driver);
+ }
+ }
+
+ if (!ret)
+ mddi_lcd.vsync_detected = mddi_sharp_lcd_vsync_detected;
+
+ return ret;
+}
+
+module_init(mddi_sharp_init);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.