#include <asm/mach/serial_sa1100.h>
#include <mach/h3600.h>
-
-#if defined (CONFIG_SA1100_H3600) || defined (CONFIG_SA1100_H3100)
#include <mach/h3600_gpio.h>
-#endif
-
-#ifdef CONFIG_SA1100_H3800
-#include <mach/h3600_asic.h>
-#endif
#include "generic.h"
#endif /* CONFIG_SA1100_H3600 */
-#ifdef CONFIG_SA1100_H3800
-
-#define SET_ASIC1(x) \
- do {if (setp) { H3800_ASIC1_GPIO_OUT |= (x); } else { H3800_ASIC1_GPIO_OUT &= ~(x); }} while(0)
-
-#define SET_ASIC2(x) \
- do {if (setp) { H3800_ASIC2_GPIOPIOD |= (x); } else { H3800_ASIC2_GPIOPIOD &= ~(x); }} while(0)
-
-#define CLEAR_ASIC1(x) \
- do {if (setp) { H3800_ASIC1_GPIO_OUT &= ~(x); } else { H3800_ASIC1_GPIO_OUT |= (x); }} while(0)
-
-#define CLEAR_ASIC2(x) \
- do {if (setp) { H3800_ASIC2_GPIOPIOD &= ~(x); } else { H3800_ASIC2_GPIOPIOD |= (x); }} while(0)
-
-
-/*
- On screen enable, we get
-
- h3800_video_power_on(1)
- LCD controller starts
- h3800_video_lcd_enable(1)
-
- On screen disable, we get
-
- h3800_video_lcd_enable(0)
- LCD controller stops
- h3800_video_power_on(0)
-*/
-
-
-static void h3800_video_power_on(int setp)
-{
- if (setp) {
- H3800_ASIC1_GPIO_OUT |= GPIO1_LCD_ON;
- msleep(30);
- H3800_ASIC1_GPIO_OUT |= GPIO1_VGL_ON;
- msleep(5);
- H3800_ASIC1_GPIO_OUT |= GPIO1_VGH_ON;
- msleep(50);
- H3800_ASIC1_GPIO_OUT |= GPIO1_LCD_5V_ON;
- msleep(5);
- } else {
- msleep(5);
- H3800_ASIC1_GPIO_OUT &= ~GPIO1_LCD_5V_ON;
- msleep(50);
- H3800_ASIC1_GPIO_OUT &= ~GPIO1_VGL_ON;
- msleep(5);
- H3800_ASIC1_GPIO_OUT &= ~GPIO1_VGH_ON;
- msleep(100);
- H3800_ASIC1_GPIO_OUT &= ~GPIO1_LCD_ON;
- }
-}
-
-static void h3800_video_lcd_enable(int setp)
-{
- if (setp) {
- msleep(17); // Wait one from before turning on
- H3800_ASIC1_GPIO_OUT |= GPIO1_LCD_PCI;
- } else {
- H3800_ASIC1_GPIO_OUT &= ~GPIO1_LCD_PCI;
- msleep(30); // Wait before turning off
- }
-}
-
-
-static void h3800_control_egpio(enum ipaq_egpio_type x, int setp)
-{
- switch (x) {
- case IPAQ_EGPIO_LCD_POWER:
- h3800_video_power_on(setp);
- break;
- case IPAQ_EGPIO_LCD_ENABLE:
- h3800_video_lcd_enable(setp);
- break;
- case IPAQ_EGPIO_CODEC_NRESET:
- case IPAQ_EGPIO_AUDIO_ON:
- case IPAQ_EGPIO_QMUTE:
- printk("%s: error - should not be called\n", __func__);
- break;
- case IPAQ_EGPIO_OPT_NVRAM_ON:
- SET_ASIC2(GPIO2_OPT_ON_NVRAM);
- break;
- case IPAQ_EGPIO_OPT_ON:
- SET_ASIC2(GPIO2_OPT_ON);
- break;
- case IPAQ_EGPIO_CARD_RESET:
- SET_ASIC2(GPIO2_OPT_PCM_RESET);
- break;
- case IPAQ_EGPIO_OPT_RESET:
- SET_ASIC2(GPIO2_OPT_RESET);
- break;
- case IPAQ_EGPIO_IR_ON:
- CLEAR_ASIC1(GPIO1_IR_ON_N);
- break;
- case IPAQ_EGPIO_IR_FSEL:
- break;
- case IPAQ_EGPIO_RS232_ON:
- SET_ASIC1(GPIO1_RS232_ON);
- break;
- case IPAQ_EGPIO_VPP_ON:
- H3800_ASIC2_FlashWP_VPP_ON = setp;
- break;
- }
-}
-
-static unsigned long h3800_read_egpio(void)
-{
- return H3800_ASIC1_GPIO_OUT | (H3800_ASIC2_GPIOPIOD << 16);
-}
-
-/* We need to fix ASIC2 GPIO over suspend/resume. At the moment,
- it doesn't appear that ASIC1 GPIO has the same problem */
-
-static int h3800_pm_callback(int req)
-{
- static u16 asic1_data;
- static u16 asic2_data;
- int result = 0;
-
- printk("%s %d\n", __func__, req);
-
- switch (req) {
- case PM_RESUME:
- MSC2 = (MSC2 & 0x0000ffff) | 0xE4510000; /* Set MSC2 correctly */
-
- H3800_ASIC2_GPIOPIOD = asic2_data;
- H3800_ASIC2_GPIODIR = GPIO2_PEN_IRQ
- | GPIO2_SD_DETECT
- | GPIO2_EAR_IN_N
- | GPIO2_USB_DETECT_N
- | GPIO2_SD_CON_SLT;
-
- H3800_ASIC1_GPIO_OUT = asic1_data;
-
- if (ipaq_model_ops.pm_callback_aux)
- result = ipaq_model_ops.pm_callback_aux(req);
- break;
-
- case PM_SUSPEND:
- if (ipaq_model_ops.pm_callback_aux &&
- ((result = ipaq_model_ops.pm_callback_aux(req)) != 0))
- return result;
-
- asic1_data = H3800_ASIC1_GPIO_OUT;
- asic2_data = H3800_ASIC2_GPIOPIOD;
- break;
- default:
- printk("%s: unrecognized PM callback\n", __func__);
- break;
- }
- return result;
-}
-
-static struct ipaq_model_ops h3800_model_ops __initdata = {
- .generic_name = "3800",
- .control = h3800_control_egpio,
- .read = h3800_read_egpio,
- .pm_callback = h3800_pm_callback
-};
-
-#define MAX_ASIC_ISR_LOOPS 20
-
-/* The order of these is important - see #include <mach/irqs.h> */
-static u32 kpio_irq_mask[] = {
- KPIO_KEY_ALL,
- KPIO_SPI_INT,
- KPIO_OWM_INT,
- KPIO_ADC_INT,
- KPIO_UART_0_INT,
- KPIO_UART_1_INT,
- KPIO_TIMER_0_INT,
- KPIO_TIMER_1_INT,
- KPIO_TIMER_2_INT
-};
-
-static u32 gpio_irq_mask[] = {
- GPIO2_PEN_IRQ,
- GPIO2_SD_DETECT,
- GPIO2_EAR_IN_N,
- GPIO2_USB_DETECT_N,
- GPIO2_SD_CON_SLT,
-};
-
-static void h3800_IRQ_demux(unsigned int irq, struct irq_desc *desc)
-{
- int i;
-
- if (0) printk("%s: interrupt received\n", __func__);
-
- desc->chip->ack(irq);
-
- for (i = 0; i < MAX_ASIC_ISR_LOOPS && (GPLR & GPIO_H3800_ASIC); i++) {
- u32 irq;
- int j;
-
- /* KPIO */
- irq = H3800_ASIC2_KPIINTFLAG;
- if (0) printk("%s KPIO 0x%08X\n", __func__, irq);
- for (j = 0; j < H3800_KPIO_IRQ_COUNT; j++)
- if (irq & kpio_irq_mask[j])
- handle_edge_irq(H3800_KPIO_IRQ_COUNT + j, irq_desc + H3800_KPIO_IRQ_COUNT + j);
-
- /* GPIO2 */
- irq = H3800_ASIC2_GPIINTFLAG;
- if (0) printk("%s GPIO 0x%08X\n", __func__, irq);
- for (j = 0; j < H3800_GPIO_IRQ_COUNT; j++)
- if (irq & gpio_irq_mask[j])
- handle_edge_irq(H3800_GPIO_IRQ_COUNT + j, irq_desc + H3800_GPIO_IRQ_COUNT + j);
- }
-
- if (i >= MAX_ASIC_ISR_LOOPS)
- printk("%s: interrupt processing overrun\n", __func__);
-
- /* For level-based interrupts */
- desc->chip->unmask(irq);
-
-}
-
-static struct irqaction h3800_irq = {
- .name = "h3800_asic",
- .handler = h3800_IRQ_demux,
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
-};
-
-u32 kpio_int_shadow = 0;
-
-
-/* mask_ack <- IRQ is first serviced.
- mask <- IRQ is disabled.
- unmask <- IRQ is enabled
-
- The INTCLR registers are poorly documented. I believe that writing
- a "1" to the register clears the specific interrupt, but the documentation
- indicates writing a "0" clears the interrupt. In any case, they shouldn't
- be read (that's the INTFLAG register)
- */
-
-static void h3800_mask_ack_kpio_irq(unsigned int irq)
-{
- u32 mask = kpio_irq_mask[irq - H3800_KPIO_IRQ_START];
- kpio_int_shadow &= ~mask;
- H3800_ASIC2_KPIINTSTAT = kpio_int_shadow;
- H3800_ASIC2_KPIINTCLR = mask;
-}
-
-static void h3800_mask_kpio_irq(unsigned int irq)
-{
- u32 mask = kpio_irq_mask[irq - H3800_KPIO_IRQ_START];
- kpio_int_shadow &= ~mask;
- H3800_ASIC2_KPIINTSTAT = kpio_int_shadow;
-}
-
-static void h3800_unmask_kpio_irq(unsigned int irq)
-{
- u32 mask = kpio_irq_mask[irq - H3800_KPIO_IRQ_START];
- kpio_int_shadow |= mask;
- H3800_ASIC2_KPIINTSTAT = kpio_int_shadow;
-}
-
-static void h3800_mask_ack_gpio_irq(unsigned int irq)
-{
- u32 mask = gpio_irq_mask[irq - H3800_GPIO_IRQ_START];
- H3800_ASIC2_GPIINTSTAT &= ~mask;
- H3800_ASIC2_GPIINTCLR = mask;
-}
-
-static void h3800_mask_gpio_irq(unsigned int irq)
-{
- u32 mask = gpio_irq_mask[irq - H3800_GPIO_IRQ_START];
- H3800_ASIC2_GPIINTSTAT &= ~mask;
- }
-
-static void h3800_unmask_gpio_irq(unsigned int irq)
-{
- u32 mask = gpio_irq_mask[irq - H3800_GPIO_IRQ_START];
- H3800_ASIC2_GPIINTSTAT |= mask;
-}
-
-static void __init h3800_init_irq(void)
-{
- int i;
-
- /* Initialize standard IRQs */
- sa1100_init_irq();
-
- /* Disable all IRQs and set up clock */
- H3800_ASIC2_KPIINTSTAT = 0; /* Disable all interrupts */
- H3800_ASIC2_GPIINTSTAT = 0;
-
- H3800_ASIC2_KPIINTCLR = 0; /* Clear all KPIO interrupts */
- H3800_ASIC2_GPIINTCLR = 0; /* Clear all GPIO interrupts */
-
-// H3800_ASIC2_KPIINTCLR = 0xffff; /* Clear all KPIO interrupts */
-// H3800_ASIC2_GPIINTCLR = 0xffff; /* Clear all GPIO interrupts */
-
- H3800_ASIC2_CLOCK_Enable |= ASIC2_CLOCK_EX0; /* 32 kHZ crystal on */
- H3800_ASIC2_INTR_ClockPrescale |= ASIC2_INTCPS_SET;
- H3800_ASIC2_INTR_ClockPrescale = ASIC2_INTCPS_CPS(0x0e) | ASIC2_INTCPS_SET;
- H3800_ASIC2_INTR_TimerSet = 1;
-
-#if 0
- for (i = 0; i < H3800_KPIO_IRQ_COUNT; i++) {
- int irq = i + H3800_KPIO_IRQ_START;
- irq_desc[irq].valid = 1;
- irq_desc[irq].probe_ok = 1;
- set_irq_chip(irq, &h3800_kpio_irqchip);
- }
-
- for (i = 0; i < H3800_GPIO_IRQ_COUNT; i++) {
- int irq = i + H3800_GPIO_IRQ_START;
- irq_desc[irq].valid = 1;
- irq_desc[irq].probe_ok = 1;
- set_irq_chip(irq, &h3800_gpio_irqchip);
- }
-#endif
- set_irq_type(IRQ_GPIO_H3800_ASIC, IRQ_TYPE_EDGE_RISING);
- set_irq_chained_handler(IRQ_GPIO_H3800_ASIC, h3800_IRQ_demux);
-}
-
-
-#define ASIC1_OUTPUTS 0x7fff /* First 15 bits are used */
-
-static void __init h3800_map_io(void)
-{
- h3xxx_map_io();
-
- /* Add wakeup on AC plug/unplug */
- PWER |= PWER_GPIO12;
-
- /* Initialize h3800-specific values here */
- GPCR = 0x0fffffff; /* All outputs are set low by default */
- GAFR = GPIO_H3800_CLK_OUT |
- GPIO_LDD15 | GPIO_LDD14 | GPIO_LDD13 | GPIO_LDD12 |
- GPIO_LDD11 | GPIO_LDD10 | GPIO_LDD9 | GPIO_LDD8;
- GPDR = GPIO_H3800_CLK_OUT |
- GPIO_H3600_COM_RTS | GPIO_H3600_L3_CLOCK |
- GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA |
- GPIO_LDD15 | GPIO_LDD14 | GPIO_LDD13 | GPIO_LDD12 |
- GPIO_LDD11 | GPIO_LDD10 | GPIO_LDD9 | GPIO_LDD8;
- TUCR = TUCR_3_6864MHz; /* Seems to be used only for the Bluetooth UART */
-
- /* Fix the memory bus */
- MSC2 = (MSC2 & 0x0000ffff) | 0xE4510000;
-
- /* Set up ASIC #1 */
- H3800_ASIC1_GPIO_DIR = ASIC1_OUTPUTS; /* All outputs */
- H3800_ASIC1_GPIO_MASK = ASIC1_OUTPUTS; /* No interrupts */
- H3800_ASIC1_GPIO_SLEEP_MASK = ASIC1_OUTPUTS;
- H3800_ASIC1_GPIO_SLEEP_DIR = ASIC1_OUTPUTS;
- H3800_ASIC1_GPIO_SLEEP_OUT = GPIO1_EAR_ON_N;
- H3800_ASIC1_GPIO_BATT_FAULT_DIR = ASIC1_OUTPUTS;
- H3800_ASIC1_GPIO_BATT_FAULT_OUT = GPIO1_EAR_ON_N;
-
- H3800_ASIC1_GPIO_OUT = GPIO1_IR_ON_N
- | GPIO1_RS232_ON
- | GPIO1_EAR_ON_N;
-
- /* Set up ASIC #2 */
- H3800_ASIC2_GPIOPIOD = GPIO2_IN_Y1_N | GPIO2_IN_X1_N;
- H3800_ASIC2_GPOBFSTAT = GPIO2_IN_Y1_N | GPIO2_IN_X1_N;
-
- H3800_ASIC2_GPIODIR = GPIO2_PEN_IRQ
- | GPIO2_SD_DETECT
- | GPIO2_EAR_IN_N
- | GPIO2_USB_DETECT_N
- | GPIO2_SD_CON_SLT;
-
- /* TODO : Set sleep states & battery fault states */
-
- /* Clear VPP Enable */
- H3800_ASIC2_FlashWP_VPP_ON = 0;
- ipaq_model_ops = h3800_model_ops;
-}
-
-MACHINE_START(H3800, "Compaq iPAQ H3800")
- .phys_io = 0x80000000,
- .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
- .boot_params = 0xc0000100,
- .map_io = h3800_map_io,
- .init_irq = h3800_init_irq,
- .timer = &sa1100_timer,
- .init_machine = h3xxx_mach_init,
-MACHINE_END
-
-#endif /* CONFIG_SA1100_H3800 */
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