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Diffstat (limited to 'arch/arm/mach-pxa/pcm990-baseboard.c')
-rw-r--r--arch/arm/mach-pxa/pcm990-baseboard.c131
1 files changed, 99 insertions, 32 deletions
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index 49d951db0f3d..5d87c7c866e4 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -24,6 +24,7 @@
#include <linux/platform_device.h>
#include <linux/ide.h>
#include <linux/i2c.h>
+#include <linux/pwm_backlight.h>
#include <media/soc_camera.h>
@@ -33,12 +34,103 @@
#include <asm/mach/map.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
+#include <asm/arch/audio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pcm990_baseboard.h>
+#include <asm/arch/pxafb.h>
+
+#include "devices.h"
/*
- * The PCM-990 development baseboard uses PCM-027's hardeware in the
+ * pcm990_lcd_power - control power supply to the LCD
+ * @on: 0 = switch off, 1 = switch on
+ *
+ * Called by the pxafb driver
+ */
+#ifndef CONFIG_PCM990_DISPLAY_NONE
+static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+ if (on) {
+ /* enable LCD-Latches
+ * power on LCD
+ */
+ __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) =
+ PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON;
+ } else {
+ /* disable LCD-Latches
+ * power off LCD
+ */
+ __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = 0x00;
+ }
+}
+#endif
+
+#if defined(CONFIG_PCM990_DISPLAY_SHARP)
+static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
+ .pixclock = 28000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 20,
+ .left_margin = 103,
+ .right_margin = 47,
+ .vsync_len = 6,
+ .upper_margin = 28,
+ .lower_margin = 5,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info pcm990_fbinfo __initdata = {
+ .modes = &fb_info_sharp_lq084v1dg21,
+ .num_modes = 1,
+ .lccr0 = LCCR0_PAS,
+ .lccr3 = LCCR3_PCP,
+ .pxafb_lcd_power = pcm990_lcd_power,
+};
+#elif defined(CONFIG_PCM990_DISPLAY_NEC)
+struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
+ .pixclock = 39720,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 32,
+ .left_margin = 16,
+ .right_margin = 48,
+ .vsync_len = 2,
+ .upper_margin = 12,
+ .lower_margin = 17,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info pcm990_fbinfo __initdata = {
+ .modes = &fb_info_nec_nl6448bc20_18d,
+ .num_modes = 1,
+ .lccr0 = LCCR0_Act,
+ .lccr3 = LCCR3_PixFlEdg,
+ .pxafb_lcd_power = pcm990_lcd_power,
+};
+#endif
+
+static struct platform_pwm_backlight_data pcm990_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 1023,
+ .dft_brightness = 1023,
+ .pwm_period_ns = 78770,
+};
+
+static struct platform_device pcm990_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &pcm990_backlight_data,
+ },
+};
+
+/*
+ * The PCM-990 development baseboard uses PCM-027's hardware in the
* following way:
*
* - LCD support is in use
@@ -333,36 +425,6 @@ static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */
/*
- * AC97 support
- * Note: The connected AC97 mixer also reports interrupts at PCM990_AC97_IRQ
- */
-static struct resource pxa27x_ac97_resources[] = {
- [0] = {
- .start = 0x40500000,
- .end = 0x40500000 + 0xfff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_AC97,
- .end = IRQ_AC97,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 pxa_ac97_dmamask = 0xffffffffUL;
-
-static struct platform_device pxa27x_device_ac97 = {
- .name = "pxa2xx-ac97",
- .id = -1,
- .dev = {
- .dma_mask = &pxa_ac97_dmamask,
- .coherent_dma_mask = 0xffffffff,
- },
- .num_resources = ARRAY_SIZE(pxa27x_ac97_resources),
- .resource = pxa27x_ac97_resources,
-};
-
-/*
* enable generic access to the base board control CPLDs U6 and U7
*/
static struct map_desc pcm990_io_desc[] __initdata = {
@@ -393,7 +455,11 @@ void __init pcm990_baseboard_init(void)
/* register CPLD's IRQ controller */
pcm990_init_irq();
- platform_device_register(&pxa27x_device_ac97);
+#ifndef CONFIG_PCM990_DISPLAY_NONE
+ set_pxa_fb_info(&pcm990_fbinfo);
+#endif
+ pxa_gpio_mode(GPIO16_PWM0_MD);
+ platform_device_register(&pcm990_backlight_device);
/* MMC */
pxa_set_mci_info(&pcm990_mci_platform_data);
@@ -402,6 +468,7 @@ void __init pcm990_baseboard_init(void)
pxa_set_ohci_info(&pcm990_ohci_platform_data);
pxa_set_i2c_info(NULL);
+ pxa_set_ac97_info(NULL);
#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
pxa_set_camera_info(&pcm990_pxacamera_platform_data);