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-rw-r--r--arch/arm/mach-pxa/pcm990-baseboard.c307
1 files changed, 192 insertions, 115 deletions
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index 30023b00e47..2897da2a5df 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -19,26 +19,24 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-
+#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
-#include <linux/ide.h>
#include <linux/i2c.h>
+#include <linux/i2c/pxa-i2c.h>
#include <linux/pwm_backlight.h>
+#include <media/mt9v022.h>
#include <media/soc_camera.h>
-#include <asm/gpio.h>
-#include <asm/arch/i2c.h>
-#include <asm/arch/camera.h>
+#include <linux/platform_data/camera-pxa.h>
#include <asm/mach/map.h>
-#include <asm/arch/pxa-regs.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 <asm/arch/mfp-pxa27x.h>
+#include <mach/pxa27x.h>
+#include <mach/audio.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include <mach/pcm990_baseboard.h>
+#include <linux/platform_data/video-pxafb.h>
#include "devices.h"
#include "generic.h"
@@ -56,8 +54,30 @@ static unsigned long pcm990_pin_config[] __initdata = {
GPIO89_USBH1_PEN,
/* PWM0 */
GPIO16_PWM0_OUT,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
};
+static void __iomem *pcm990_cpld_base;
+
+static u8 pcm990_cpld_readb(unsigned int reg)
+{
+ return readb(pcm990_cpld_base + reg);
+}
+
+static void pcm990_cpld_writeb(u8 value, unsigned int reg)
+{
+ writeb(value, pcm990_cpld_base + reg);
+}
+
/*
* pcm990_lcd_power - control power supply to the LCD
* @on: 0 = switch off, 1 = switch on
@@ -71,13 +91,13 @@ static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
/* enable LCD-Latches
* power on LCD
*/
- __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) =
- PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON;
+ pcm990_cpld_writeb(PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON,
+ PCM990_CTRL_REG3);
} else {
/* disable LCD-Latches
* power off LCD
*/
- __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = 0x00;
+ pcm990_cpld_writeb(0, PCM990_CTRL_REG3);
}
}
#endif
@@ -101,8 +121,7 @@ static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
static struct pxafb_mach_info pcm990_fbinfo __initdata = {
.modes = &fb_info_sharp_lq084v1dg21,
.num_modes = 1,
- .lccr0 = LCCR0_PAS,
- .lccr3 = LCCR3_PCP,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
.pxafb_lcd_power = pcm990_lcd_power,
};
#elif defined(CONFIG_PCM990_DISPLAY_NEC)
@@ -124,8 +143,7 @@ struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
static struct pxafb_mach_info pcm990_fbinfo __initdata = {
.modes = &fb_info_nec_nl6448bc20_18d,
.num_modes = 1,
- .lccr0 = LCCR0_Act,
- .lccr3 = LCCR3_PixFlEdg,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
.pxafb_lcd_power = pcm990_lcd_power,
};
#endif
@@ -135,6 +153,7 @@ static struct platform_pwm_backlight_data pcm990_backlight_data = {
.max_brightness = 1023,
.dft_brightness = 1023,
.pwm_period_ns = 78770,
+ .enable_gpio = -1,
};
static struct platform_device pcm990_backlight_device = {
@@ -235,38 +254,52 @@ static struct platform_device pcm990_backlight_device = {
static unsigned long pcm990_irq_enabled;
-static void pcm990_mask_ack_irq(unsigned int irq)
+static void pcm990_mask_ack_irq(struct irq_data *d)
{
- int pcm990_irq = (irq - PCM027_IRQ(0));
- PCM990_INTMSKENA = (pcm990_irq_enabled &= ~(1 << pcm990_irq));
+ int pcm990_irq = (d->irq - PCM027_IRQ(0));
+
+ pcm990_irq_enabled &= ~(1 << pcm990_irq);
+
+ pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
}
-static void pcm990_unmask_irq(unsigned int irq)
+static void pcm990_unmask_irq(struct irq_data *d)
{
- int pcm990_irq = (irq - PCM027_IRQ(0));
+ int pcm990_irq = (d->irq - PCM027_IRQ(0));
+ u8 val;
+
/* the irq can be acknowledged only if deasserted, so it's done here */
- PCM990_INTSETCLR |= 1 << pcm990_irq;
- PCM990_INTMSKENA = (pcm990_irq_enabled |= (1 << pcm990_irq));
+
+ pcm990_irq_enabled |= (1 << pcm990_irq);
+
+ val = pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
+ val |= 1 << pcm990_irq;
+ pcm990_cpld_writeb(val, PCM990_CTRL_INTSETCLR);
+
+ pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
}
static struct irq_chip pcm990_irq_chip = {
- .mask_ack = pcm990_mask_ack_irq,
- .unmask = pcm990_unmask_irq,
+ .irq_mask_ack = pcm990_mask_ack_irq,
+ .irq_unmask = pcm990_unmask_irq,
};
static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
{
- unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
+ unsigned long pending;
+
+ pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
+ pending &= pcm990_irq_enabled;
do {
- GEDR(PCM990_CTRL_INT_IRQ_GPIO) =
- GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
+ /* clear our parent IRQ */
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
if (likely(pending)) {
irq = PCM027_IRQ(0) + __ffs(pending);
- desc = irq_desc + irq;
- desc_handle_irq(irq, desc);
+ generic_handle_irq(irq);
}
- pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
+ pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
+ pending &= pcm990_irq_enabled;
} while (pending);
}
@@ -276,16 +309,17 @@ static void __init pcm990_init_irq(void)
/* setup extra PCM990 irqs */
for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
- set_irq_chip(irq, &pcm990_irq_chip);
- set_irq_handler(irq, handle_level_irq);
+ irq_set_chip_and_handler(irq, &pcm990_irq_chip,
+ handle_level_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
- PCM990_INTMSKENA = 0x00; /* disable all Interrupts */
- PCM990_INTSETCLR = 0xFF;
+ /* disable all Interrupts */
+ pcm990_cpld_writeb(0x0, PCM990_CTRL_INTMSKENA);
+ pcm990_cpld_writeb(0xff, PCM990_CTRL_INTSETCLR);
- set_irq_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
- set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
+ irq_set_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
+ irq_set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
}
static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
@@ -293,7 +327,7 @@ static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
{
int err;
- err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED,
+ err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, 0,
"MMC card detect", data);
if (err)
printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
@@ -302,16 +336,20 @@ static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
return err;
}
-static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
+static int pcm990_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data *p_d = dev->platform_data;
+ u8 val;
+
+ val = pcm990_cpld_readb(PCM990_CTRL_REG5);
if ((1 << vdd) & p_d->ocr_mask)
- __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
- PCM990_CTRL_MMC2PWR;
+ val |= PCM990_CTRL_MMC2PWR;
else
- __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) =
- ~PCM990_CTRL_MMC2PWR;
+ val &= ~PCM990_CTRL_MMC2PWR;
+
+ pcm990_cpld_writeb(PCM990_CTRL_MMC2PWR, PCM990_CTRL_REG5);
+ return 0;
}
static void pcm990_mci_exit(struct device *dev, void *data)
@@ -322,43 +360,20 @@ static void pcm990_mci_exit(struct device *dev, void *data)
#define MSECS_PER_JIFFY (1000/HZ)
static struct pxamci_platform_data pcm990_mci_platform_data = {
- .detect_delay = 250 / MSECS_PER_JIFFY,
- .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
- .init = pcm990_mci_init,
- .setpower = pcm990_mci_setpower,
- .exit = pcm990_mci_exit,
+ .detect_delay_ms = 250,
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .init = pcm990_mci_init,
+ .setpower = pcm990_mci_setpower,
+ .exit = pcm990_mci_exit,
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
};
-/*
- * init OHCI hardware to work with
- *
- * Note: Only USB port 1 (host only) is connected
- *
- * GPIO88 (USBHPWR#1): overcurrent in, overcurrent when low
- * GPIO89 (USBHPEN#1): power-on out, on when low
- */
-static int pcm990_ohci_init(struct device *dev)
-{
- /*
- * disable USB port 2 and 3
- * power sense is active low
- */
- UHCHR = ((UHCHR) | UHCHR_PCPL | UHCHR_PSPL | UHCHR_SSEP2 |
- UHCHR_SSEP3) & ~(UHCHR_SSEP1 | UHCHR_SSE);
- /*
- * wait 10ms after Power on
- * overcurrent per port
- * power switch per port
- */
- UHCRHDA = (5<<24) | (1<<11) | (1<<8); /* FIXME: Required? */
-
- return 0;
-}
-
static struct pxaohci_platform_data pcm990_ohci_platform_data = {
.port_mode = PMM_PERPORT_MODE,
- .init = pcm990_ohci_init,
- .exit = NULL,
+ .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+ .power_on_delay = 10,
};
/*
@@ -383,38 +398,69 @@ static unsigned long pcm990_camera_pin_config[] = {
GPIO44_CIF_LV,
};
-static int pcm990_pxacamera_init(struct device *dev)
-{
- pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
- return 0;
-}
-
/*
* CICR4: PCLK_EN: Pixel clock is supplied by the sensor
* MCLK_EN: Master clock is generated by PXA
* PCP: Data sampled on the falling edge of pixel clock
*/
struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
- .init = pcm990_pxacamera_init,
.flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_DATAWIDTH_10 |
PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN/* | PXA_CAMERA_PCP*/,
.mclk_10khz = 1000,
};
-#include <linux/i2c/pca953x.h>
+#include <linux/platform_data/pca953x.h>
static struct pca953x_platform_data pca9536_data = {
- .gpio_base = NR_BUILTIN_GPIO + 1,
+ .gpio_base = PXA_NR_BUILTIN_GPIO,
};
-static struct soc_camera_link iclink[] = {
- {
- .bus_id = 0, /* Must match with the camera ID above */
- .gpio = NR_BUILTIN_GPIO + 1,
- }, {
- .bus_id = 0, /* Must match with the camera ID above */
+static int gpio_bus_switch = -EINVAL;
+
+static int pcm990_camera_set_bus_param(struct soc_camera_link *link,
+ unsigned long flags)
+{
+ if (gpio_bus_switch < 0) {
+ if (flags == SOCAM_DATAWIDTH_10)
+ return 0;
+ else
+ return -EINVAL;
}
-};
+
+ if (flags & SOCAM_DATAWIDTH_8)
+ gpio_set_value_cansleep(gpio_bus_switch, 1);
+ else
+ gpio_set_value_cansleep(gpio_bus_switch, 0);
+
+ return 0;
+}
+
+static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link)
+{
+ int ret;
+
+ if (gpio_bus_switch < 0) {
+ ret = gpio_request(PXA_NR_BUILTIN_GPIO, "camera");
+ if (!ret) {
+ gpio_bus_switch = PXA_NR_BUILTIN_GPIO;
+ gpio_direction_output(gpio_bus_switch, 0);
+ }
+ }
+
+ if (gpio_bus_switch >= 0)
+ return SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_10;
+ else
+ return SOCAM_DATAWIDTH_10;
+}
+
+static void pcm990_camera_free_bus(struct soc_camera_link *link)
+{
+ if (gpio_bus_switch < 0)
+ return;
+
+ gpio_free(gpio_bus_switch);
+ gpio_bus_switch = -EINVAL;
+}
/* Board I2C devices. */
static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
@@ -422,33 +468,57 @@ static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
/* Must initialize before the camera(s) */
I2C_BOARD_INFO("pca9536", 0x41),
.platform_data = &pca9536_data,
- }, {
+ },
+};
+
+static struct mt9v022_platform_data mt9v022_pdata = {
+ .y_skip_top = 1,
+};
+
+static struct i2c_board_info pcm990_camera_i2c[] = {
+ {
I2C_BOARD_INFO("mt9v022", 0x48),
- .platform_data = &iclink[0], /* With extender */
}, {
I2C_BOARD_INFO("mt9m001", 0x5d),
- .platform_data = &iclink[0], /* With extender */
},
};
-#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */
-/*
- * enable generic access to the base board control CPLDs U6 and U7
- */
-static struct map_desc pcm990_io_desc[] __initdata = {
+static struct soc_camera_link iclink[] = {
{
- .virtual = PCM990_CTRL_BASE,
- .pfn = __phys_to_pfn(PCM990_CTRL_PHYS),
- .length = PCM990_CTRL_SIZE,
- .type = MT_DEVICE /* CPLD */
+ .bus_id = 0, /* Must match with the camera ID */
+ .board_info = &pcm990_camera_i2c[0],
+ .priv = &mt9v022_pdata,
+ .i2c_adapter_id = 0,
+ .query_bus_param = pcm990_camera_query_bus_param,
+ .set_bus_param = pcm990_camera_set_bus_param,
+ .free_bus = pcm990_camera_free_bus,
}, {
- .virtual = PCM990_CF_PLD_BASE,
- .pfn = __phys_to_pfn(PCM990_CF_PLD_PHYS),
- .length = PCM990_CF_PLD_SIZE,
- .type = MT_DEVICE /* CPLD */
- }
+ .bus_id = 0, /* Must match with the camera ID */
+ .board_info = &pcm990_camera_i2c[1],
+ .i2c_adapter_id = 0,
+ .query_bus_param = pcm990_camera_query_bus_param,
+ .set_bus_param = pcm990_camera_set_bus_param,
+ .free_bus = pcm990_camera_free_bus,
+ },
};
+static struct platform_device pcm990_camera[] = {
+ {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &iclink[0],
+ },
+ }, {
+ .name = "soc-camera-pdrv",
+ .id = 1,
+ .dev = {
+ .platform_data = &iclink[1],
+ },
+ },
+};
+#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */
+
/*
* system init for baseboard usage. Will be called by pcm027 init.
*
@@ -459,14 +529,17 @@ void __init pcm990_baseboard_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_pin_config));
- /* register CPLD access */
- iotable_init(ARRAY_AND_SIZE(pcm990_io_desc));
+ pcm990_cpld_base = ioremap(PCM990_CTRL_PHYS, PCM990_CTRL_SIZE);
+ if (!pcm990_cpld_base) {
+ pr_err("pcm990: failed to ioremap cpld\n");
+ return;
+ }
/* register CPLD's IRQ controller */
pcm990_init_irq();
#ifndef CONFIG_PCM990_DISPLAY_NONE
- set_pxa_fb_info(&pcm990_fbinfo);
+ pxa_set_fb_info(NULL, &pcm990_fbinfo);
#endif
platform_device_register(&pcm990_backlight_device);
@@ -480,9 +553,13 @@ void __init pcm990_baseboard_init(void)
pxa_set_ac97_info(NULL);
#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
pxa_set_camera_info(&pcm990_pxacamera_platform_data);
i2c_register_board_info(0, ARRAY_AND_SIZE(pcm990_i2c_devices));
+
+ platform_device_register(&pcm990_camera[0]);
+ platform_device_register(&pcm990_camera[1]);
#endif
printk(KERN_INFO "PCM-990 Evaluation baseboard initialized\n");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-09 02:25:16 +0000