[ARM] 3848/1: pxafb: Add option of fixing video modes and spitz QVGA mode support

Add the ability to have pxafb use only certain fixed video modes
(selected on a per platform basis). This is useful on production
hardware such as the Zaurus cxx00 models where the valid modes are
known in advance and any other modes could result in hardware damage.

Following this, add support for the cxx00 QVGA mode. Mode information
is passed to the lcd_power call to allowing the panel drivers to
configure the display hardware accordingly (corgi_lcd already contains
the functionality for the cxx00 panel).

This mirrors the setup already used by w100fb.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 10 insertions, 7 deletions

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index a7e9b96f258a..7ba0447d6fa3 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -279,7 +279,7 @@ static void mainstone_backlight_power(int on)
         }
 }
 
-static struct pxafb_mach_info toshiba_ltm04c380k __initdata = {
+static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
         .pixclock               = 50000,
         .xres                   = 640,
         .yres                   = 480,
@@ -291,12 +291,9 @@ static struct pxafb_mach_info toshiba_ltm04c380k __initdata = {
         .upper_margin           = 0,
         .lower_margin           = 0,
         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
-        .lccr0                  = LCCR0_Act,
-        .lccr3                  = LCCR3_PCP,
-        .pxafb_backlight_power  = mainstone_backlight_power,
 };
 
-static struct pxafb_mach_info toshiba_ltm035a776c __initdata = {
+static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
         .pixclock               = 110000,
         .xres                   = 240,
         .yres                   = 320,
@@ -308,6 +305,10 @@ static struct pxafb_mach_info toshiba_ltm035a776c __initdata = {
         .upper_margin           = 1,
         .lower_margin           = 10,
         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info mainstone_pxafb_info = {
+        .num_modes              = 1,
         .lccr0                  = LCCR0_Act,
         .lccr3                  = LCCR3_PCP,
         .pxafb_backlight_power  = mainstone_backlight_power,
@@ -448,9 +449,11 @@ static void __init mainstone_init(void)
         /* reading Mainstone's "Virtual Configuration Register"
            might be handy to select LCD type here */
         if (0)
-                set_pxa_fb_info(&toshiba_ltm04c380k);
+                mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
         else
-                set_pxa_fb_info(&toshiba_ltm035a776c);
+                mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
+
+        set_pxa_fb_info(&mainstone_pxafb_info);
 
         pxa_set_mci_info(&mainstone_mci_platform_data);
         pxa_set_ficp_info(&mainstone_ficp_platform_data);