au1200fb.patch

patches for linux-2.6.

+		.mode_horztiming	= 0x003c5859,
+		.mode_verttiming	= 0x00741201,
+		.mode_clkcontrol	= 0x00020001, /* /4=24Mhz */
+		.mode_pwmdiv		= 0x00000000,
+		.mode_pwmhi		= 0x00000000,
+		.mode_outmask	= 0x00FFFFFF,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 8, /* 96MHz AUXPLL */
+		.device_init		= NULL,
+		.device_shutdown	= NULL,
+		640, 640,
+		480, 480,
+	},
+
+	[2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */
+		.name = "SVGA_800x600",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			.hfmin = 30000,
+			.hfmax = 70000,
+			.vfmin = 60,
+			.vfmax = 60,
+			.dclkmin = 6000000,
+			.dclkmax = 28000000,
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= 0x18fa5780,
+		.mode_horztiming	= 0x00dc7e77,
+		.mode_verttiming	= 0x00584805,
+		.mode_clkcontrol	= 0x00020000, /* /2=48Mhz */
+		.mode_pwmdiv		= 0x00000000,
+		.mode_pwmhi		= 0x00000000,
+		.mode_outmask	= 0x00FFFFFF,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 8, /* 96MHz AUXPLL */
+		.device_init		= NULL,
+		.device_shutdown	= NULL,
+		800, 800,
+		600, 600,
+	},
+
+	[3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */
+		.name = "XVGA_1024x768",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			.hfmin = 30000,	// FIX
+			.hfmax = 70000, // FIX
+			.vfmin = 60, // FIX
+			.vfmax = 60, // FIX
+			.dclkmin = 6000000, // FIX
+			.dclkmax = 28000000, // FIX
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= 0x1ffaff80,
+		.mode_horztiming	= 0x007d0e57,
+		.mode_verttiming	= 0x00740a01,
+		.mode_clkcontrol	= 0x000A0000, /* /1 */
+		.mode_pwmdiv		= 0x00000000,
+		.mode_pwmhi		= 0x00000000,
+		.mode_outmask	= 0x00FFFFFF,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 6, /* 72MHz AUXPLL */
+		.device_init		= NULL,
+		.device_shutdown	= NULL,
+		1024, 1024,
+		768, 768,
+	},
+
+	[4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */
+		.name = "XVGA_1280x1024",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			.hfmin = 30000,	// FIX
+			.hfmax = 70000, // FIX
+			.vfmin = 60, // FIX
+			.vfmax = 60, // FIX
+			.dclkmin = 6000000, // FIX
+			.dclkmax = 28000000, // FIX
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= 0x27fbff80,
+		.mode_horztiming	= 0x00cdb2c7,
+		.mode_verttiming	= 0x00600002,
+		.mode_clkcontrol	= 0x000A0000, /* /1 */
+		.mode_pwmdiv		= 0x00000000,
+		.mode_pwmhi		= 0x00000000,
+		.mode_outmask	= 0x00FFFFFF,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 10, /* 120MHz AUXPLL */
+		.device_init		= NULL,
+		.device_shutdown	= NULL,
+		1280, 1280,
+		1024, 1024,
+	},
+
+	[5] = { /* Samsung 1024x768 TFT */
+		.name = "Samsung_1024x768_TFT",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			.hfmin = 30000,	// FIX
+			.hfmax = 70000, // FIX
+			.vfmin = 60, // FIX
+			.vfmax = 60, // FIX
+			.dclkmin = 6000000, // FIX
+			.dclkmax = 28000000, // FIX
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= 0x1ffaff80,
+		.mode_horztiming	= 0x018cc677,
+		.mode_verttiming	= 0x00241217,
+		.mode_clkcontrol	= 0x00000000, /* SCB 0x1 /4=24Mhz */
+		.mode_pwmdiv		= 0x8000063f, /* SCB 0x0 */
+		.mode_pwmhi		= 0x03400000, /* SCB 0x0 */
+		.mode_outmask	= 0x00FFFFFF,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 8, /* 96MHz AUXPLL */
+		.device_init		= board_au1200fb_panel_init,
+		.device_shutdown	= board_au1200fb_panel_shutdown,
+		1024, 1024,
+		768, 768,
+	},
+
+	[6] = { /* Toshiba 640x480 TFT */
+		.name = "Toshiba_640x480_TFT",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			.hfmin = 30000, // FIX
+			.hfmax = 70000, // FIX
+			.vfmin = 60, // FIX
+			.vfmax = 60, // FIX
+			.dclkmin = 6000000, // FIX
+			.dclkmax = 28000000, // FIX
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= LCD_SCREEN_SX_N(640) | LCD_SCREEN_SY_N(480),
+		.mode_horztiming	= LCD_HORZTIMING_HPW_N(96) | LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51),
+		.mode_verttiming	= LCD_VERTTIMING_VPW_N(2) | LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32),
+		.mode_clkcontrol	= 0x00000000, /* /4=24Mhz */
+		.mode_pwmdiv		= 0x8000063f,
+		.mode_pwmhi		= 0x03400000,
+		.mode_outmask	= 0x00fcfcfc,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 8, /* 96MHz AUXPLL */
+		.device_init		= board_au1200fb_panel_init,
+		.device_shutdown	= board_au1200fb_panel_shutdown,
+		640, 640,
+		480, 480,
+	},
+
+	[7] = { /* Sharp 320x240 TFT */
+		.name = "Sharp_320x240_TFT",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			//.modedb  = sharp_lq038q5dr01_modes,
+			//.modedb_len = ARRAY_SIZE(sharp_lq038q5dr01_modes),
+			.hfmin = 12500,
+			.hfmax = 20000,
+			.vfmin = 38,
+			.vfmax = 81,
+			.dclkmin = 4500000,
+			.dclkmax = 6800000,
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= LCD_SCREEN_SX_N(320) | LCD_SCREEN_SY_N(240),
+		.mode_horztiming	= LCD_HORZTIMING_HPW_N(60) | LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2),
+		.mode_verttiming	= LCD_VERTTIMING_VPW_N(2) | LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5),
+		.mode_clkcontrol	= LCD_CLKCONTROL_PCD_N(7), /* /16=6Mhz */
+		.mode_pwmdiv		= 0x8000063f,
+		.mode_pwmhi		= 0x03400000,
+		.mode_outmask	= 0x00fcfcfc,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 8, /* 96MHz AUXPLL */
+		.device_init		= board_au1200fb_panel_init,
+		.device_shutdown	= board_au1200fb_panel_shutdown,
+		320, 320,
+		240, 240,
+	},
+
+	[8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */
+		.name = "Toppoly_TD070WGCB2",
+		.monspecs = {
+			.modedb = NULL,
+			.modedb_len = 0,
+			.hfmin = 30000,	// FIX
+			.hfmax = 70000, // FIX
+			.vfmin = 60, // FIX
+			.vfmax = 60, // FIX
+			.dclkmin = 6000000, // FIX
+			.dclkmax = 28000000, // FIX
+			.input = FB_DISP_RGB,
+		},
+		.mode_screen		= LCD_SCREEN_SX_N(856) | LCD_SCREEN_SY_N(480),
+		.mode_horztiming	= LCD_HORZTIMING_HND2_N(43) | LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114),
+		.mode_verttiming	= LCD_VERTTIMING_VND2_N(20) | LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4),
+		.mode_clkcontrol	= 0x00020001, /* /4=24Mhz */
+		.mode_pwmdiv		= 0x8000063f,
+		.mode_pwmhi		= 0x03400000,
+		.mode_outmask	= 0x00fcfcfc,
+		.mode_fifoctrl	= 0x2f2f2f2f,
+		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
+		.mode_backlight	= 0x00000000,
+		.mode_auxpll		= 8, /* 96MHz AUXPLL */
+		.device_init		= board_au1200fb_panel_init,
+		.device_shutdown	= board_au1200fb_panel_shutdown,
+		856, 856,
+		480, 480,
+	},
+
+#if defined(CONFIG_FOCUS_ENHANCEMENTS)
+	/* FIX!!!! */
+#endif
+
+};
+
+#define NUM_PANELS (sizeof(known_lcd_panels) / sizeof(struct panel_settings))
+
+/********************************************************************/
+
+static int set_brightness(unsigned int brightness)
+{
+	unsigned int hi1, divider;
+
+	// limit brightness pwm duty to >= 30/1600
+	if (brightness < 30) {
+		brightness = 30;
+	}
+	divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+	hi1 = (lcd->pwmhi >> 16) + 1;
+	hi1 = (((brightness & 0xFF)+1) * divider >> 8);
+	lcd->pwmhi &= 0xFFFF;
+	lcd->pwmhi |= (hi1 << 16);
+
+	return brightness;
+}
+
+static int
+winbpp (unsigned int winctrl1)
+{
+	/* how many bits are needed for each pixel format */
+	switch (winctrl1 & LCD_WINCTRL1_FRM)
+	{
+		case LCD_WINCTRL1_FRM_1BPP: return 1; break;
+		case LCD_WINCTRL1_FRM_2BPP: return 2; break;
+		case LCD_WINCTRL1_FRM_4BPP: return 4; break;
+		case LCD_WINCTRL1_FRM_8BPP: return 8; break;
+		case LCD_WINCTRL1_FRM_12BPP: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPP655: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPP565: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPP556: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPPI1555: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPPI5551: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPPA1555: return 16; break;
+		case LCD_WINCTRL1_FRM_16BPPA5551: return 16; break;
+		case LCD_WINCTRL1_FRM_24BPP: return 32; break;
+		case LCD_WINCTRL1_FRM_32BPP: return 32; break;
+		default: return 0; break;
+	}
+}
+
+static int
+fbinfo2index (struct fb_info *fb_info)
+{
+	int i;
+	for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i)
+	{
+		if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info))
+			return i;
+	}
+	printk("au1200fb: ERROR: fbinfo2index failed!\n");
+	return -1;
+}
+
+static int au1200_setlocation (struct au1200fb_device *fbdev, int plane, int xpos, int ypos)
+{
+	uint32 winctrl0, winctrl1, winenable, fb_offset = 0;
+	int xsz, ysz, xsc, ysc;
+
+	winctrl0 = lcd->window[plane].winctrl0;
+	winctrl1 = lcd->window[plane].winctrl1;
+	winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN);
+	winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY);
+	
+	xsc = ((lcd->window[plane].winctrl2 & LCD_WINCTRL2_SCX) >> 4);
+	ysc = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_SCY);
+
+	/* Check for off-screen adjustments */
+	xsz = win->w[plane].xres;
+	ysz = win->w[plane].yres;
+	if ((xpos + win->w[plane].xres) > panel->Xres)
+	{
+		/* Off-screen to the right */
+		xsz = panel->Xres - xpos; /* off by 1 ??? */
+		/*printk("off screen right\n");*/
+	}
+
+	if ((ypos + win->w[plane].yres) > panel->Yres)
+	{
+		/* Off-screen to the bottom */
+		ysz = panel->Yres - ypos; /* off by 1 ??? */
+		/*printk("off screen bottom\n");*/
+	}
+
+	if (xpos < 0)
+	{
+		/* Off-screen to the left */
+		xsz = win->w[plane].xres + xpos;
+		fb_offset += (((0 - xpos) * winbpp(winctrl1))/8);
+		xpos = 0;
+		/*printk("off screen left\n");*/
+	}
+
+	if (ypos < 0)
+	{
+		/* Off-screen to the top */
+		ysz = win->w[plane].yres + ypos;
+		fb_offset += ((0 - ypos) * (winbpp(winctrl1)/8) * win->w[plane].xres);
+		ypos = 0;
+		/*printk("off screen top\n");*/
+	}
+
+	/* check for correct size depending on scaling */
+	if (xsc == 1)
+		xsz &= ~1;
+	if (xsc == 2)
+		xsz &= ~3;
+	
+	if (ysc == 1)
+		ysz &= ~1;
+	if (ysc == 2)
+		ysz &= ~3;
+	
+	/* check for complete off-screen */
+	if (xsz <= 0 || ysz <= 0) {
+		lcd->winenable &= ~(1 << plane);
+		return 0;
+	}
+	
+	xsz -= 1;
+	ysz -= 1;
+	
+	winctrl0 |= (xpos << 21);
+	winctrl0 |= (ypos << 10);
+	winctrl1 |= (xsz << 11);
+	winctrl1 |= (ysz << 0);
+
+	/* Disable the window while making changes, then restore WINEN */
+	winenable = lcd->winenable & (1 << plane);
+	au_sync();
+	lcd->winenable &= ~(1 << plane);
+	lcd->window[plane].winctrl0 = winctrl0;
+	lcd->window[plane].winctrl1 = winctrl1;
+	lcd->window[plane].winbuf0 =
+	lcd->window[plane].winbuf1 = fbdev->fb_phys + fb_offset;
+	lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
+	lcd->winenable |= winenable;
+	au_sync();
+
+	return 0;
+}
+
+static void au1200_setpanel (struct panel_settings *newpanel)
+{
+	/*
+	 * Perform global setup/init of LCD controller
+	 */
+	uint32 winenable;
+
+	/* Make sure all windows disabled */
+	winenable = lcd->winenable;
+	lcd->winenable = 0;
+	au_sync();
+	/*
+	 * Ensure everything is disabled before reconfiguring
+	 */
+	if (lcd->screen & LCD_SCREEN_SEN)
+	{
+		/* Wait for vertical sync period */
+		lcd->intstatus = LCD_INT_SS;
+		while ((lcd->intstatus & LCD_INT_SS) == 0) {
+			au_sync();
+		}
+		
+		lcd->screen &= ~LCD_SCREEN_SEN;	/*disable the controller*/
+		
+		do
+		{
+			lcd->intstatus = lcd->intstatus; /*clear interrupts*/
+			au_sync();
+		}
+		/*wait for controller to shut down*/
+		while ((lcd->intstatus & LCD_INT_SD) == 0);
+		
+		/* Call shutdown of current panel (if up) */
+		/* this must occur last, because if an external clock is driving
+		    the controller, the clock cannot be turned off before first
+			shutting down the controller.
+		 */
+		if (panel->device_shutdown != NULL) panel->device_shutdown();
+	}
+
+	/* Newpanel == NULL indicates a shutdown operation only */
+	if (newpanel == NULL)
+		return;
+
+	panel = newpanel;
+	
+	printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres);
+
+	/*
+	 * Setup clocking if internal LCD clock source (assumes sys_auxpll valid)
+	 */
+	if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT))
+	{
+		uint32 sys_clksrc;
+		au_writel(panel->mode_auxpll, SYS_AUXPLL); // FIX!!! This should really just be a check!
+		sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f; 
+		sys_clksrc |= panel->mode_toyclksrc;
+		au_writel(sys_clksrc, SYS_CLKSRC);
+	}
+
+	/*
+	 * Configure panel timings
+	 */
+	lcd->screen = panel->mode_screen;
+	lcd->horztiming = panel->mode_horztiming;
+	lcd->verttiming = panel->mode_verttiming;