fb: add support for the ILI9320 video display controller

Provide support for the ILI9320 display controller chip which is found in
many LCD displays.  Included with this is support for an example LCD using
this chip, the VGG2432A4.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 201 insertions, 0 deletions

diff --git a/include/video/ili9320.h b/include/video/ili9320.h
new file mode 100644
index 000000000000..e5d1622e3f33
--- /dev/null
+++ b/include/video/ili9320.h
@@ -0,0 +1,201 @@
+/* include/video/ili9320.c
+ *
+ * ILI9320 LCD controller configuration control.
+ *
+ * Copyright 2007 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#define ILI9320_REG(x)  (x)
+
+#define ILI9320_INDEX                   ILI9320_REG(0x00)
+
+#define ILI9320_OSCILATION              ILI9320_REG(0x00)
+#define ILI9320_DRIVER                  ILI9320_REG(0x01)
+#define ILI9320_DRIVEWAVE               ILI9320_REG(0x02)
+#define ILI9320_ENTRYMODE               ILI9320_REG(0x03)
+#define ILI9320_RESIZING                ILI9320_REG(0x04)
+#define ILI9320_DISPLAY1                ILI9320_REG(0x07)
+#define ILI9320_DISPLAY2                ILI9320_REG(0x08)
+#define ILI9320_DISPLAY3                ILI9320_REG(0x09)
+#define ILI9320_DISPLAY4                ILI9320_REG(0x0A)
+#define ILI9320_RGB_IF1                 ILI9320_REG(0x0C)
+#define ILI9320_FRAMEMAKER              ILI9320_REG(0x0D)
+#define ILI9320_RGB_IF2                 ILI9320_REG(0x0F)
+
+#define ILI9320_POWER1                  ILI9320_REG(0x10)
+#define ILI9320_POWER2                  ILI9320_REG(0x11)
+#define ILI9320_POWER3                  ILI9320_REG(0x12)
+#define ILI9320_POWER4                  ILI9320_REG(0x13)
+#define ILI9320_GRAM_HORIZ_ADDR         ILI9320_REG(0x20)
+#define ILI9320_GRAM_VERT_ADD           ILI9320_REG(0x21)
+#define ILI9320_POWER7                  ILI9320_REG(0x29)
+#define ILI9320_FRAME_RATE_COLOUR       ILI9320_REG(0x2B)
+
+#define ILI9320_GAMMA1                  ILI9320_REG(0x30)
+#define ILI9320_GAMMA2                  ILI9320_REG(0x31)
+#define ILI9320_GAMMA3                  ILI9320_REG(0x32)
+#define ILI9320_GAMMA4                  ILI9320_REG(0x35)
+#define ILI9320_GAMMA5                  ILI9320_REG(0x36)
+#define ILI9320_GAMMA6                  ILI9320_REG(0x37)
+#define ILI9320_GAMMA7                  ILI9320_REG(0x38)
+#define ILI9320_GAMMA8                  ILI9320_REG(0x39)
+#define ILI9320_GAMMA9                  ILI9320_REG(0x3C)
+#define ILI9320_GAMMA10                 ILI9320_REG(0x3D)
+
+#define ILI9320_HORIZ_START             ILI9320_REG(0x50)
+#define ILI9320_HORIZ_END               ILI9320_REG(0x51)
+#define ILI9320_VERT_START              ILI9320_REG(0x52)
+#define ILI9320_VERT_END                ILI9320_REG(0x53)
+
+#define ILI9320_DRIVER2                 ILI9320_REG(0x60)
+#define ILI9320_BASE_IMAGE              ILI9320_REG(0x61)
+#define ILI9320_VERT_SCROLL             ILI9320_REG(0x6a)
+
+#define ILI9320_PARTIAL1_POSITION       ILI9320_REG(0x80)
+#define ILI9320_PARTIAL1_START          ILI9320_REG(0x81)
+#define ILI9320_PARTIAL1_END            ILI9320_REG(0x82)
+#define ILI9320_PARTIAL2_POSITION       ILI9320_REG(0x83)
+#define ILI9320_PARTIAL2_START          ILI9320_REG(0x84)
+#define ILI9320_PARTIAL2_END            ILI9320_REG(0x85)
+
+#define ILI9320_INTERFACE1              ILI9320_REG(0x90)
+#define ILI9320_INTERFACE2              ILI9320_REG(0x92)
+#define ILI9320_INTERFACE3              ILI9320_REG(0x93)
+#define ILI9320_INTERFACE4              ILI9320_REG(0x95)
+#define ILI9320_INTERFACE5              ILI9320_REG(0x97)
+#define ILI9320_INTERFACE6              ILI9320_REG(0x98)
+
+/* Register contents definitions. */
+
+#define ILI9320_OSCILATION_OSC          (1 << 0)
+
+#define ILI9320_DRIVER_SS               (1 << 8)
+#define ILI9320_DRIVER_SM               (1 << 10)
+
+#define ILI9320_DRIVEWAVE_EOR           (1 << 8)
+#define ILI9320_DRIVEWAVE_BC            (1 << 9)
+#define ILI9320_DRIVEWAVE_MUSTSET       (1 << 10)
+
+#define ILI9320_ENTRYMODE_AM            (1 << 3)
+#define ILI9320_ENTRYMODE_ID(x)         ((x) << 4)
+#define ILI9320_ENTRYMODE_ORG           (1 << 7)
+#define ILI9320_ENTRYMODE_HWM           (1 << 8)
+#define ILI9320_ENTRYMODE_BGR           (1 << 12)
+#define ILI9320_ENTRYMODE_DFM           (1 << 14)
+#define ILI9320_ENTRYMODE_TRI           (1 << 15)
+
+
+#define ILI9320_RESIZING_RSZ(x)         ((x) << 0)
+#define ILI9320_RESIZING_RCH(x)         ((x) << 4)
+#define ILI9320_RESIZING_RCV(x)         ((x) << 8)
+
+
+#define ILI9320_DISPLAY1_D(x)           ((x) << 0)
+#define ILI9320_DISPLAY1_CL             (1 << 3)
+#define ILI9320_DISPLAY1_DTE            (1 << 4)
+#define ILI9320_DISPLAY1_GON            (1 << 5)
+#define ILI9320_DISPLAY1_BASEE          (1 << 8)
+#define ILI9320_DISPLAY1_PTDE(x)        ((x) << 12)
+
+
+#define ILI9320_DISPLAY2_BP(x)          ((x) << 0)
+#define ILI9320_DISPLAY2_FP(x)          ((x) << 8)
+
+
+#define ILI9320_RGBIF1_RIM_RGB18        (0 << 0)
+#define ILI9320_RGBIF1_RIM_RGB16        (1 << 0)
+#define ILI9320_RGBIF1_RIM_RGB6         (2 << 0)
+
+#define ILI9320_RGBIF1_CLK_INT          (0 << 4)
+#define ILI9320_RGBIF1_CLK_RGBIF        (1 << 4)
+#define ILI9320_RGBIF1_CLK_VSYNC        (2 << 4)
+
+#define ILI9320_RGBIF1_RM               (1 << 8)
+
+#define ILI9320_RGBIF1_ENC_FRAMES(x)    (((x) - 1)<< 13)
+
+#define ILI9320_RGBIF2_DPL              (1 << 0)
+#define ILI9320_RGBIF2_EPL              (1 << 1)
+#define ILI9320_RGBIF2_HSPL             (1 << 3)
+#define ILI9320_RGBIF2_VSPL             (1 << 4)
+
+
+#define ILI9320_POWER1_SLP              (1 << 1)
+#define ILI9320_POWER1_DSTB             (1 << 2)
+#define ILI9320_POWER1_AP(x)            ((x) << 4)
+#define ILI9320_POWER1_APE              (1 << 7)
+#define ILI9320_POWER1_BT(x)            ((x) << 8)
+#define ILI9320_POWER1_SAP              (1 << 12)
+
+
+#define ILI9320_POWER2_VC(x)            ((x) << 0)
+#define ILI9320_POWER2_DC0(x)           ((x) << 4)
+#define ILI9320_POWER2_DC1(x)           ((x) << 8)
+
+
+#define ILI9320_POWER3_VRH(x)           ((x) << 0)
+#define ILI9320_POWER3_PON              (1 << 4)
+#define ILI9320_POWER3_VCMR             (1 << 8)
+
+
+#define ILI9320_POWER4_VREOUT(x)        ((x) << 8)
+
+
+#define ILI9320_DRIVER2_SCNL(x)         ((x) << 0)
+#define ILI9320_DRIVER2_NL(x)           ((x) << 8)
+#define ILI9320_DRIVER2_GS              (1 << 15)
+
+
+#define ILI9320_BASEIMAGE_REV           (1 << 0)
+#define ILI9320_BASEIMAGE_VLE           (1 << 1)
+#define ILI9320_BASEIMAGE_NDL           (1 << 2)
+
+
+#define ILI9320_INTERFACE4_RTNE(x)      (x)
+#define ILI9320_INTERFACE4_DIVE(x)      ((x) << 8)
+
+/* SPI interface definitions */
+
+#define ILI9320_SPI_IDCODE              (0x70)
+#define ILI9320_SPI_ID(x)               ((x) << 2)
+#define ILI9320_SPI_READ                (0x01)
+#define ILI9320_SPI_WRITE               (0x00)
+#define ILI9320_SPI_DATA                (0x02)
+#define ILI9320_SPI_INDEX               (0x00)
+
+/* platform data to pass configuration from lcd */
+
+enum ili9320_suspend {
+        ILI9320_SUSPEND_OFF,
+        ILI9320_SUSPEND_DEEP,
+};
+
+struct ili9320_platdata {
+        unsigned short  hsize;
+        unsigned short  vsize;
+
+        enum ili9320_suspend suspend;
+
+        /* set the reset line, 0 = reset asserted, 1 = normal */
+        void            (*reset)(unsigned int val);
+
+        unsigned short  entry_mode;
+        unsigned short  display2;
+        unsigned short  display3;
+        unsigned short  display4;
+        unsigned short  rgb_if1;
+        unsigned short  rgb_if2;
+        unsigned short  interface2;
+        unsigned short  interface3;
+        unsigned short  interface4;
+        unsigned short  interface5;
+        unsigned short  interface6;
+};
+