X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-pxa%2Fmainstone.c;h=2e5f1a954923e4dc3bf53508fbde72f022b8d7e2;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=663c1eef8a0a6218cbf3652ab95e6b23fa6277eb;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 663c1eef8..2e5f1a954 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -18,6 +18,7 @@
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
+#include <linux/fb.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -30,7 +31,11 @@
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
+#include <asm/arch/pxa-regs.h>
 #include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/mmc.h>
 
 #include "generic.h"
 
@@ -116,9 +121,169 @@ static struct platform_device smc91x_device = {
 	.resource	= smc91x_resources,
 };
 
+static int mst_audio_startup(snd_pcm_substream_t *substream, void *priv)
+{
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
+	return 0;
+}
+
+static void mst_audio_shutdown(snd_pcm_substream_t *substream, void *priv)
+{
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+}
+
+static long mst_audio_suspend_mask;
+
+static void mst_audio_suspend(void *priv)
+{
+	mst_audio_suspend_mask = MST_MSCWR2;
+	MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+}
+
+static void mst_audio_resume(void *priv)
+{
+	MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
+}
+
+static pxa2xx_audio_ops_t mst_audio_ops = {
+	.startup	= mst_audio_startup,
+	.shutdown	= mst_audio_shutdown,
+	.suspend	= mst_audio_suspend,
+	.resume		= mst_audio_resume,
+};
+
+static struct platform_device mst_audio_device = {
+	.name		= "pxa2xx-ac97",
+	.id		= -1,
+	.dev		= { .platform_data = &mst_audio_ops },
+};
+
+static void mainstone_backlight_power(int on)
+{
+	if (on) {
+		pxa_gpio_mode(GPIO16_PWM0_MD);
+		pxa_set_cken(CKEN0_PWM0, 1);
+		PWM_CTRL0 = 0;
+		PWM_PWDUTY0 = 0x3ff;
+		PWM_PERVAL0 = 0x3ff;
+	} else {
+		PWM_CTRL0 = 0;
+		PWM_PWDUTY0 = 0x0;
+		PWM_PERVAL0 = 0x3FF;
+		pxa_set_cken(CKEN0_PWM0, 0);
+	}
+}
+
+static struct pxafb_mach_info toshiba_ltm04c380k __initdata = {
+	.pixclock		= 50000,
+	.xres			= 640,
+	.yres			= 480,
+	.bpp			= 16,
+	.hsync_len		= 1,
+	.left_margin		= 0x9f,
+	.right_margin		= 1,
+	.vsync_len		= 44,
+	.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 = {
+	.pixclock		= 110000,
+	.xres			= 240,
+	.yres			= 320,
+	.bpp			= 16,
+	.hsync_len		= 4,
+	.left_margin		= 8,
+	.right_margin		= 20,
+	.vsync_len		= 3,
+	.upper_margin		= 1,
+	.lower_margin		= 10,
+	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+	.lccr0			= LCCR0_Act,
+	.lccr3			= LCCR3_PCP,
+	.pxafb_backlight_power	= mainstone_backlight_power,
+};
+
+static int mainstone_mci_init(struct device *dev, irqreturn_t (*mstone_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+	int err;
+
+	/*
+	 * setup GPIO for PXA27x MMC controller
+	 */
+	pxa_gpio_mode(GPIO32_MMCCLK_MD);
+	pxa_gpio_mode(GPIO112_MMCCMD_MD);
+	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+	pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+
+	/* make sure SD/Memory Stick multiplexer's signals
+	 * are routed to MMC controller
+	 */
+	MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
+
+	err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, SA_INTERRUPT,
+			     "MMC card detect", data);
+	if (err) {
+		printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data* p_d = dev->platform_data;
+
+	if (( 1 << vdd) & p_d->ocr_mask) {
+		printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
+		MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
+		MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
+	} else {
+		printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
+		MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
+	}
+}
+
+static void mainstone_mci_exit(struct device *dev, void *data)
+{
+	free_irq(MAINSTONE_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data mainstone_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
+	.init 		= mainstone_mci_init,
+	.setpower 	= mainstone_mci_setpower,
+	.exit		= mainstone_mci_exit,
+};
+
 static void __init mainstone_init(void)
 {
-	platform_add_device(&smc91x_device);
+	/*
+	 * On Mainstone, we route AC97_SYSCLK via GPIO45 to
+	 * the audio daughter card
+	 */
+	pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
+
+	platform_device_register(&smc91x_device);
+	platform_device_register(&mst_audio_device);
+
+	/* reading Mainstone's "Virtual Configuration Register"
+	   might be handy to select LCD type here */
+	if (0)
+		set_pxa_fb_info(&toshiba_ltm04c380k);
+	else
+		set_pxa_fb_info(&toshiba_ltm035a776c);
+
+	pxa_set_mci_info(&mainstone_mci_platform_data);
 }
 
 
@@ -137,5 +302,6 @@ MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 	BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000))
 	MAPIO(mainstone_map_io)
 	INITIRQ(mainstone_init_irq)
+	.timer		= &pxa_timer,
 	INIT_MACHINE(mainstone_init)
 MACHINE_END