static struct device_t * led_pwm_bl_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct led_pwm_bl_pdata_t * pdat;
struct pwm_t * pwm;
struct led_t * led;
struct device_t * dev;
if(!(pwm = search_pwm(dt_read_string(n, "pwm-name", NULL))))
return NULL;
pdat = malloc(sizeof(struct led_pwm_bl_pdata_t));
if(!pdat)
return NULL;
led = malloc(sizeof(struct led_t));
if(!led)
{
free(pdat);
return NULL;
}
pdat->pwm = pwm;
pdat->regulator = strdup(dt_read_string(n, "regulator-name", NULL));
pdat->period = dt_read_int(n, "pwm-period-ns", 1000 * 1000);
pdat->polarity = dt_read_bool(n, "pwm-polarity", 0);
pdat->from = dt_read_int(n, "pwm-percent-from", 0) * pdat->period / 100;
pdat->to = dt_read_int(n, "pwm-percent-to", 100) * pdat->period / 100;
pdat->brightness = dt_read_int(n, "default-brightness", 0);
led->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
led->set = led_pwm_bl_set,
led->get = led_pwm_bl_get,
led->priv = pdat;
if(pdat->brightness > 0)
regulator_enable(pdat->regulator);
else
regulator_disable(pdat->regulator);
led_pwm_bl_set_brightness(pdat, pdat->brightness);
if(!register_led(&dev, led))
{
regulator_disable(pdat->regulator);
led_pwm_bl_set_brightness(pdat, 0);
if(pdat->regulator)
free(pdat->regulator);
free_device_name(led->name);
free(led->priv);
free(led);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * cs_samsung_timer_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct cs_samsung_timer_pdata_t * pdat;
struct clocksource_t * cs;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
int channel = dt_read_int(n, "timer-channel", -1);
u64_t rate;
if(!search_clk(clk))
return NULL;
if(channel < 0 || channel > 3)
return NULL;
pdat = malloc(sizeof(struct cs_samsung_timer_pdata_t));
if(!pdat)
return NULL;
cs = malloc(sizeof(struct clocksource_t));
if(!cs)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->channel = channel;
clk_enable(pdat->clk);
rate = samsung_timer_calc_tin(pdat->virt, pdat->clk, pdat->channel, 13);
clocksource_calc_mult_shift(&cs->mult, &cs->shift, rate, 1000000000ULL, 10);
cs->name = alloc_device_name(dt_read_name(n), -1);
cs->mask = CLOCKSOURCE_MASK(32);
cs->read = cs_samsung_timer_read;
cs->priv = pdat;
samsung_timer_enable(pdat->virt, pdat->channel, 0);
samsung_timer_count(pdat->virt, pdat->channel, 0xffffffff);
samsung_timer_start(pdat->virt, pdat->channel, 0);
if(!register_clocksource(&dev, cs))
{
samsung_timer_stop(pdat->virt, pdat->channel);
samsung_timer_disable(pdat->virt, pdat->channel);
clk_disable(pdat->clk);
free(pdat->clk);
free_device_name(cs->name);
free(cs->priv);
free(cs);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * gmeter_axdl345_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct gmeter_axdl345_pdata_t * pdat;
struct gmeter_t * g;
struct device_t * dev;
struct i2c_device_t * i2cdev;
u8_t val;
i2cdev = i2c_device_alloc(dt_read_string(n, "i2c-bus", NULL), dt_read_int(n, "slave-address", 0x53), 0);
if(!i2cdev)
return NULL;
if(axdl345_read(i2cdev, REG_DEVID, &val) && (val == 0xe5))
{
axdl345_write(i2cdev, REG_DATA_FORMAT, 0x0b);
axdl345_write(i2cdev, REG_POWER_CTL, 0x08);
axdl345_write(i2cdev, REG_INT_ENABLE, 0x80);
}
else
{
i2c_device_free(i2cdev);
return NULL;
}
pdat = malloc(sizeof(struct gmeter_axdl345_pdata_t));
if(!pdat)
{
i2c_device_free(i2cdev);
return NULL;
}
g = malloc(sizeof(struct gmeter_t));
if(!g)
{
i2c_device_free(i2cdev);
free(pdat);
return NULL;
}
pdat->dev = i2cdev;
g->name = alloc_device_name(dt_read_name(n), -1);
g->get = gmeter_axdl345_get;
g->priv = pdat;
if(!register_gmeter(&dev, g))
{
i2c_device_free(pdat->dev);
free_device_name(g->name);
free(g->priv);
free(g);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * battery_sbs_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct battery_sbs_pdata_t * pdat;
struct battery_t * bat;
struct device_t * dev;
struct i2c_device_t * i2cdev;
u16_t val;
i2cdev = i2c_device_alloc(dt_read_string(n, "i2c-bus", NULL), dt_read_int(n, "slave-address", 0x0b), 0);
if(!i2cdev)
return NULL;
if(sbs_read_word(i2cdev, SBS_BATTERY_STATUS, &val))
{
if(val & (0x1 << 7))
{
}
}
else
{
i2c_device_free(i2cdev);
return NULL;
}
pdat = malloc(sizeof(struct battery_sbs_pdata_t));
if(!pdat)
{
i2c_device_free(i2cdev);
return NULL;
}
bat = malloc(sizeof(struct battery_t));
if(!bat)
{
i2c_device_free(i2cdev);
free(pdat);
return NULL;
}
pdat->dev = i2cdev;
bat->name = alloc_device_name(dt_read_name(n), -1);
bat->update = battery_sbs_update;
bat->priv = pdat;
if(!register_battery(&dev, bat))
{
i2c_device_free(pdat->dev);
free_device_name(bat->name);
free(bat->priv);
free(bat);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * romdisk_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct romdisk_pdata_t * pdat;
struct block_t * blk;
struct device_t * dev;
virtual_addr_t addr = strtoull(dt_read_string(n, "address", "0"), NULL, 0);
virtual_size_t size = strtoull(dt_read_string(n, "size", "0"), NULL, 0);
if(size <= 0)
return NULL;
size = (size + SZ_512) / SZ_512;
pdat = malloc(sizeof(struct romdisk_pdata_t));
if(!pdat)
return NULL;
blk = malloc(sizeof(struct block_t));
if(!blk)
{
free(pdat);
return NULL;
}
pdat->addr = addr;
pdat->size = size;
blk->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
blk->blksz = SZ_512;
blk->blkcnt = (u64_t)size;
blk->read = romdisk_read;
blk->write = romdisk_write;
blk->sync = romdisk_sync;
blk->priv = pdat;
if(!register_block(&dev, blk))
{
free_device_name(blk->name);
free(blk->priv);
free(blk);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * pwm_v3s_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct pwm_v3s_pdata_t * pdat;
struct pwm_t * pwm;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
int channel = dt_read_int(n, "channel", -1);
if(channel < 0 || channel > 1)
return NULL;
if(!search_clk(clk))
return NULL;
pdat = malloc(sizeof(struct pwm_v3s_pdata_t));
if(!pdat)
return NULL;
pwm = malloc(sizeof(struct pwm_t));
if(!pwm)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->channel = channel;
pdat->pwm = dt_read_int(n, "pwm-gpio", -1);
pdat->pwmcfg = dt_read_int(n, "pwm-gpio-config", -1);
pwm->name = alloc_device_name(dt_read_name(n), -1);
pwm->config = pwm_v3s_config;
pwm->enable = pwm_v3s_enable;
pwm->disable = pwm_v3s_disable;
pwm->priv = pdat;
write32(pdat->virt + PWM_CTRL, read32(pdat->virt + PWM_CTRL) &~(0x3fff << (pdat->channel * 15)));
write32(pdat->virt + PWM_PERIOD(pdat->channel), 0);
if(!register_pwm(&dev, pwm))
{
free(pdat->clk);
free_device_name(pwm->name);
free(pwm->priv);
free(pwm);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * wdg_s5pv210_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct wdg_s5pv210_pdata_t * pdat;
struct watchdog_t * wdg;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
if(!search_clk(clk))
return NULL;
pdat = malloc(sizeof(struct wdg_s5pv210_pdata_t));
if(!pdat)
return NULL;
wdg = malloc(sizeof(struct watchdog_t));
if(!wdg)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
wdg->name = alloc_device_name(dt_read_name(n), -1);
wdg->set = wdg_s5pv210_set;
wdg->get = wdg_s5pv210_get;
wdg->priv = pdat;
clk_enable(pdat->clk);
write32(pdat->virt + WTCON, 0x0);
write32(pdat->virt + WTDAT, 0x0);
write32(pdat->virt + WTCNT, 0x0);
if(!register_watchdog(&dev, wdg))
{
clk_disable(pdat->clk);
free(pdat->clk);
free_device_name(wdg->name);
free(wdg->priv);
free(wdg);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * buzzer_pwm_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct buzzer_pwm_pdata_t * pdat;
struct pwm_t * pwm;
struct buzzer_t * buzzer;
struct device_t * dev;
if(!(pwm = search_pwm(dt_read_string(n, "pwm-name", NULL))))
return NULL;
pdat = malloc(sizeof(struct buzzer_pwm_pdata_t));
if(!pdat)
return NULL;
buzzer = malloc(sizeof(struct buzzer_t));
if(!buzzer)
{
free(pdat);
return NULL;
}
timer_init(&pdat->timer, buzzer_pwm_timer_function, buzzer);
pdat->queue = queue_alloc();
pdat->pwm = pwm;
pdat->polarity = dt_read_bool(n, "pwm-polarity", 0);
pdat->frequency = -1;
buzzer->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
buzzer->set = buzzer_pwm_set;
buzzer->get = buzzer_pwm_get;
buzzer->beep = buzzer_pwm_beep;
buzzer->priv = pdat;
buzzer_pwm_set(buzzer, 0);
if(!register_buzzer(&dev, buzzer))
{
timer_cancel(&pdat->timer);
queue_free(pdat->queue, iter_queue_node);
free_device_name(buzzer->name);
free(buzzer->priv);
free(buzzer);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * uart_sandbox_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct uart_sandbox_pdata_t * pdat;
struct uart_t * uart;
struct device_t * dev;
int fd = sandbox_uart_open(dt_read_string(n, "device", NULL));
if(fd < 0)
return NULL;
pdat = malloc(sizeof(struct uart_sandbox_pdata_t));
if(!pdat)
return NULL;
uart = malloc(sizeof(struct uart_t));
if(!uart)
{
free(pdat);
return NULL;
}
pdat->fd = fd;
pdat->baud = dt_read_int(n, "baud-rates", 115200);
pdat->data = dt_read_int(n, "data-bits", 8);
pdat->parity = dt_read_int(n, "parity-bits", 0);
pdat->stop = dt_read_int(n, "stop-bits", 1);
uart->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
uart->set = uart_sandbox_set;
uart->get = uart_sandbox_get;
uart->read = uart_sandbox_read;
uart->write = uart_sandbox_write;
uart->priv = pdat;
uart_sandbox_set(uart, pdat->baud, pdat->data, pdat->parity, pdat->stop);
if(!register_uart(&dev, uart))
{
sandbox_uart_close(pdat->fd);
free_device_name(uart->name);
free(uart->priv);
free(uart);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * servo_pwm_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct servo_pwm_pdata_t * pdat;
struct pwm_t * pwm;
struct servo_t * m;
struct device_t * dev;
if(!(pwm = search_pwm(dt_read_string(n, "pwm-name", NULL))))
return NULL;
pdat = malloc(sizeof(struct servo_pwm_pdata_t));
if(!pdat)
return NULL;
m = malloc(sizeof(struct servo_t));
if(!m)
{
free(pdat);
return NULL;
}
pdat->pwm = pwm;
pdat->period = dt_read_int(n, "pwm-period-ns", 20000 * 1000);
pdat->polarity = dt_read_bool(n, "pwm-polarity", 0);
pdat->from = dt_read_int(n, "pwm-duty-ns-from", 500 * 1000);
pdat->to = dt_read_int(n, "pwm-duty-ns-to", 2500 * 1000);
pdat->range = dt_read_int(n, "rotation-angle-range", 180);
pdat->angle = -360;
m->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
m->enable = servo_pwm_enable;
m->disable = servo_pwm_disable;
m->set = servo_pwm_set;
m->priv = pdat;
servo_pwm_set(m, dt_read_int(n, "default-angle", 0));
if(!register_servo(&dev, m))
{
free_device_name(m->name);
free(m->priv);
free(m);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * ledtrig_general_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct ledtrig_general_pdata_t * pdat;
struct ledtrig_t * ledtrig;
struct device_t * dev;
struct led_t * led;
led = search_led(dt_read_string(n, "led-name", NULL));
if(!led)
return NULL;
pdat = malloc(sizeof(struct ledtrig_general_pdata_t));
if(!pdat)
return NULL;
ledtrig = malloc(sizeof(struct ledtrig_t));
if(!ledtrig)
{
free(pdat);
return NULL;
}
timer_init(&pdat->timer, ledtrig_general_timer_function, ledtrig);
pdat->led = led;
pdat->activity = 0;
pdat->last_activity = 0;
ledtrig->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
ledtrig->activity = ledtrig_general_activity;
ledtrig->priv = pdat;
if(!register_ledtrig(&dev, ledtrig))
{
timer_cancel(&pdat->timer);
free_device_name(ledtrig->name);
free(ledtrig->priv);
free(ledtrig);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * fb_f1c500s_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct fb_f1c500s_pdata_t * pdat;
struct framebuffer_t * fb;
struct device_t * dev;
char * clkdefe = dt_read_string(n, "clock-name-defe", NULL);
char * clkdebe = dt_read_string(n, "clock-name-debe", NULL);
char * clktcon = dt_read_string(n, "clock-name-tcon", NULL);
int i;
if(!search_clk(clkdefe) || !search_clk(clkdebe) || !search_clk(clktcon))
return NULL;
pdat = malloc(sizeof(struct fb_f1c500s_pdata_t));
if(!pdat)
return NULL;
fb = malloc(sizeof(struct framebuffer_t));
if(!fb)
{
free(pdat);
return NULL;
}
pdat->virtdefe = phys_to_virt(F1C500S_DEFE_BASE);
pdat->virtdebe = phys_to_virt(F1C500S_DEBE_BASE);
pdat->virttcon = phys_to_virt(F1C500S_TCON_BASE);
pdat->virtgpio = phys_to_virt(F1C500S_GPIO_BASE);
pdat->clkdefe = strdup(clkdefe);
pdat->clkdebe = strdup(clkdebe);
pdat->clktcon = strdup(clktcon);
pdat->rstdefe = dt_read_int(n, "reset-defe", -1);
pdat->rstdebe = dt_read_int(n, "reset-debe", -1);
pdat->rsttcon = dt_read_int(n, "reset-tcon", -1);
pdat->width = dt_read_int(n, "width", 320);
pdat->height = dt_read_int(n, "height", 240);
pdat->pwidth = dt_read_int(n, "physical-width", 216);
pdat->pheight = dt_read_int(n, "physical-height", 135);
pdat->bits_per_pixel = dt_read_int(n, "bits-per-pixel", 18);
pdat->bytes_per_pixel = dt_read_int(n, "bytes-per-pixel", 4);
pdat->index = 0;
pdat->vram[0] = dma_alloc_noncoherent(pdat->width * pdat->height * pdat->bytes_per_pixel);
pdat->vram[1] = dma_alloc_noncoherent(pdat->width * pdat->height * pdat->bytes_per_pixel);
pdat->nrl = region_list_alloc(0);
pdat->orl = region_list_alloc(0);
pdat->timing.pixel_clock_hz = dt_read_long(n, "clock-frequency", 8000000);
pdat->timing.h_front_porch = dt_read_int(n, "hfront-porch", 40);
pdat->timing.h_back_porch = dt_read_int(n, "hback-porch", 87);
pdat->timing.h_sync_len = dt_read_int(n, "hsync-len", 1);
pdat->timing.v_front_porch = dt_read_int(n, "vfront-porch", 13);
pdat->timing.v_back_porch = dt_read_int(n, "vback-porch", 31);
pdat->timing.v_sync_len = dt_read_int(n, "vsync-len", 1);
pdat->timing.h_sync_active = dt_read_bool(n, "hsync-active", 0);
pdat->timing.v_sync_active = dt_read_bool(n, "vsync-active", 0);
pdat->timing.den_active = dt_read_bool(n, "den-active", 0);
pdat->timing.clk_active = dt_read_bool(n, "clk-active", 0);
pdat->backlight = search_led(dt_read_string(n, "backlight", NULL));
fb->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
fb->width = pdat->width;
fb->height = pdat->height;
fb->pwidth = pdat->pwidth;
fb->pheight = pdat->pheight;
fb->bytes = pdat->bytes_per_pixel;
fb->setbl = fb_setbl;
fb->getbl = fb_getbl;
fb->create = fb_create;
fb->destroy = fb_destroy;
fb->present = fb_present;
fb->priv = pdat;
clk_enable(pdat->clkdefe);
clk_enable(pdat->clkdebe);
clk_enable(pdat->clktcon);
if(pdat->rstdefe >= 0)
reset_deassert(pdat->rstdefe);
if(pdat->rstdebe >= 0)
reset_deassert(pdat->rstdebe);
if(pdat->rsttcon >= 0)
reset_deassert(pdat->rsttcon);
for(i = 0x0800; i < 0x1000; i += 4)
write32(pdat->virtdebe + i, 0);
fb_f1c500s_init(pdat);
if(!register_framebuffer(&dev, fb))
{
clk_disable(pdat->clkdefe);
clk_disable(pdat->clkdebe);
clk_disable(pdat->clktcon);
free(pdat->clkdefe);
free(pdat->clkdebe);
free(pdat->clktcon);
dma_free_noncoherent(pdat->vram[0]);
dma_free_noncoherent(pdat->vram[1]);
region_list_free(pdat->nrl);
region_list_free(pdat->orl);
free_device_name(fb->name);
free(fb->priv);
free(fb);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * ce_samsung_timer_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct ce_samsung_timer_pdata_t * pdat;
struct clockevent_t * ce;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
int irq = dt_read_int(n, "interrupt", -1);
int channel = dt_read_int(n, "timer-channel", -1);
u64_t rate;
if(!search_clk(clk))
return NULL;
if(!irq_is_valid(irq))
return NULL;
if(channel < 0 || channel > 3)
return NULL;
pdat = malloc(sizeof(struct ce_samsung_timer_pdata_t));
if(!pdat)
return NULL;
ce = malloc(sizeof(struct clockevent_t));
if(!ce)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->irq = irq;
pdat->channel = channel;
clk_enable(pdat->clk);
rate = samsung_timer_calc_tin(pdat->virt, pdat->clk, pdat->channel, 107);
clockevent_calc_mult_shift(ce, rate, 10);
ce->name = alloc_device_name(dt_read_name(n), -1);
ce->min_delta_ns = clockevent_delta2ns(ce, 0x1);
ce->max_delta_ns = clockevent_delta2ns(ce, 0xffffffff);
ce->next = ce_samsung_timer_next,
ce->priv = pdat;
if(!request_irq(pdat->irq, ce_samsung_timer_interrupt, IRQ_TYPE_NONE, ce))
{
clk_disable(pdat->clk);
free(pdat->clk);
free(ce->priv);
free(ce);
return NULL;
}
samsung_timer_enable(pdat->virt, pdat->channel, 1);
samsung_timer_count(pdat->virt, pdat->channel, 0);
samsung_timer_stop(pdat->virt, pdat->channel);
if(!register_clockevent(&dev, ce))
{
samsung_timer_irq_clear(pdat->virt, pdat->channel);
samsung_timer_stop(pdat->virt, pdat->channel);
samsung_timer_disable(pdat->virt, pdat->channel);
clk_disable(pdat->clk);
free_irq(pdat->irq);
free(pdat->clk);
free_device_name(ce->name);
free(ce->priv);
free(ce);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * sdhci_v3s_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct sdhci_v3s_pdata_t * pdat;
struct sdhci_t * sdhci;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * pclk = dt_read_string(n, "clock-name", NULL);
if(!search_clk(pclk))
return NULL;
pdat = malloc(sizeof(struct sdhci_v3s_pdata_t));
if(!pdat)
return FALSE;
sdhci = malloc(sizeof(struct sdhci_t));
if(!sdhci)
{
free(pdat);
return FALSE;
}
pdat->virt = virt;
pdat->pclk = strdup(pclk);
pdat->reset = dt_read_int(n, "reset", -1);
pdat->clk = dt_read_int(n, "clk-gpio", -1);
pdat->clkcfg = dt_read_int(n, "clk-gpio-config", -1);
pdat->cmd = dt_read_int(n, "cmd-gpio", -1);
pdat->cmdcfg = dt_read_int(n, "cmd-gpio-config", -1);
pdat->dat0 = dt_read_int(n, "dat0-gpio", -1);
pdat->dat0cfg = dt_read_int(n, "dat0-gpio-config", -1);
pdat->dat1 = dt_read_int(n, "dat1-gpio", -1);
pdat->dat1cfg = dt_read_int(n, "dat1-gpio-config", -1);
pdat->dat2 = dt_read_int(n, "dat2-gpio", -1);
pdat->dat2cfg = dt_read_int(n, "dat2-gpio-config", -1);
pdat->dat3 = dt_read_int(n, "dat3-gpio", -1);
pdat->dat3cfg = dt_read_int(n, "dat3-gpio-config", -1);
pdat->dat4 = dt_read_int(n, "dat4-gpio", -1);
pdat->dat4cfg = dt_read_int(n, "dat4-gpio-config", -1);
pdat->dat5 = dt_read_int(n, "dat5-gpio", -1);
pdat->dat5cfg = dt_read_int(n, "dat5-gpio-config", -1);
pdat->dat6 = dt_read_int(n, "dat6-gpio", -1);
pdat->dat6cfg = dt_read_int(n, "dat6-gpio-config", -1);
pdat->dat7 = dt_read_int(n, "dat7-gpio", -1);
pdat->dat7cfg = dt_read_int(n, "dat7-gpio-config", -1);
pdat->cd = dt_read_int(n, "cd-gpio", -1);
pdat->cdcfg = dt_read_int(n, "cd-gpio-config", -1);
sdhci->name = alloc_device_name(dt_read_name(n), -1);
sdhci->voltage = MMC_VDD_27_36;
sdhci->width = MMC_BUS_WIDTH_4;
sdhci->clock = 52 * 1000 * 1000;
sdhci->removable = TRUE;
sdhci->detect = sdhci_v3s_detect;
sdhci->setvoltage = sdhci_v3s_setvoltage;
sdhci->setwidth = sdhci_v3s_setwidth;
sdhci->setclock = sdhci_v3s_setclock;
sdhci->transfer = sdhci_v3s_transfer;
sdhci->priv = pdat;
clk_enable(pdat->pclk);
if(pdat->reset >= 0)
reset_deassert(pdat->reset);
if(pdat->clk >= 0)
{
if(pdat->clkcfg >= 0)
gpio_set_cfg(pdat->clk, pdat->clkcfg);
gpio_set_pull(pdat->clk, GPIO_PULL_UP);
}
if(pdat->cmd >= 0)
{
if(pdat->cmdcfg >= 0)
gpio_set_cfg(pdat->cmd, pdat->cmdcfg);
gpio_set_pull(pdat->cmd, GPIO_PULL_UP);
}
if(pdat->dat0 >= 0)
{
if(pdat->dat0cfg >= 0)
gpio_set_cfg(pdat->dat0, pdat->dat0cfg);
gpio_set_pull(pdat->dat0, GPIO_PULL_UP);
}
if(pdat->dat1 >= 0)
{
if(pdat->dat1cfg >= 0)
gpio_set_cfg(pdat->dat1, pdat->dat1cfg);
gpio_set_pull(pdat->dat1, GPIO_PULL_UP);
}
if(pdat->dat2 >= 0)
{
if(pdat->dat2cfg >= 0)
gpio_set_cfg(pdat->dat2, pdat->dat2cfg);
gpio_set_pull(pdat->dat2, GPIO_PULL_UP);
}
if(pdat->dat3 >= 0)
{
if(pdat->dat3cfg >= 0)
gpio_set_cfg(pdat->dat3, pdat->dat3cfg);
gpio_set_pull(pdat->dat3, GPIO_PULL_UP);
}
if(pdat->dat4 >= 0)
{
if(pdat->dat4cfg >= 0)
gpio_set_cfg(pdat->dat4, pdat->dat4cfg);
gpio_set_pull(pdat->dat4, GPIO_PULL_UP);
}
if(pdat->dat5 >= 0)
{
if(pdat->dat5cfg >= 0)
gpio_set_cfg(pdat->dat5, pdat->dat5cfg);
gpio_set_pull(pdat->dat5, GPIO_PULL_UP);
}
if(pdat->dat6 >= 0)
{
if(pdat->dat6cfg >= 0)
gpio_set_cfg(pdat->dat6, pdat->dat6cfg);
gpio_set_pull(pdat->dat6, GPIO_PULL_UP);
}
if(pdat->dat7 >= 0)
{
if(pdat->dat7cfg >= 0)
gpio_set_cfg(pdat->dat7, pdat->dat7cfg);
gpio_set_pull(pdat->dat7, GPIO_PULL_UP);
}
if(pdat->cd >= 0)
{
if(pdat->cdcfg >= 0)
gpio_set_cfg(pdat->cd, pdat->cdcfg);
gpio_set_pull(pdat->cd, GPIO_PULL_UP);
}
if(!register_sdhci(&dev, sdhci))
{
clk_disable(pdat->pclk);
free(pdat->pclk);
free_device_name(sdhci->name);
free(sdhci->priv);
free(sdhci);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * clk_mux_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct clk_mux_pdata_t * pdat;
struct clk_mux_parent_t * parent;
struct clk_t * clk;
struct device_t * dev;
struct dtnode_t o;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * name = dt_read_string(n, "name", NULL);
int nparent = dt_read_array_length(n, "parent");
int shift = dt_read_int(n, "shift", -1);
int width = dt_read_int(n, "width", -1);
int i;
if(!name || (nparent <= 0) || (shift < 0) || (width <= 0))
return NULL;
if(search_clk(name))
return NULL;
pdat = malloc(sizeof(struct clk_mux_pdata_t));
if(!pdat)
return NULL;
parent = malloc(sizeof(struct clk_mux_parent_t) * nparent);
if(!parent)
{
free(pdat);
return NULL;
}
clk = malloc(sizeof(struct clk_t));
if(!clk)
{
free(pdat);
free(parent);
return NULL;
}
for(i = 0; i < nparent; i++)
{
dt_read_array_object(n, "parent", i, &o);
parent[i].name = strdup(dt_read_string(&o, "name", NULL));
parent[i].value = dt_read_int(&o, "value", 0);
}
pdat->virt = virt;
pdat->parent = parent;
pdat->nparent = nparent;
pdat->shift = shift;
pdat->width = width;
clk->name = strdup(name);
clk->count = 0;
clk->set_parent = clk_mux_set_parent;
clk->get_parent = clk_mux_get_parent;
clk->set_enable = clk_mux_set_enable;
clk->get_enable = clk_mux_get_enable;
clk->set_rate = clk_mux_set_rate;
clk->get_rate = clk_mux_get_rate;
clk->priv = pdat;
if(!register_clk(&dev, clk))
{
for(i = 0; i < pdat->nparent; i++)
free(pdat->parent[i].name);
free(pdat->parent);
free(clk->name);
free(clk->priv);
free(clk);
return NULL;
}
dev->driver = drv;
if(dt_read_object(n, "default", &o))
{
char * c = clk->name;
char * p;
u64_t r;
int e;
if((p = dt_read_string(&o, "parent", NULL)) && search_clk(p))
clk_set_parent(c, p);
if((r = (u64_t)dt_read_long(&o, "rate", 0)) > 0)
clk_set_rate(c, r);
if((e = dt_read_bool(&o, "enable", -1)) != -1)
{
if(e > 0)
clk_enable(c);
else
clk_disable(c);
}
}
return dev;
}
static struct device_t * fb_rk3288_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct fb_rk3288_pdata_t * pdat;
struct fb_t * fb;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
if(!search_clk(clk))
return NULL;
pdat = malloc(sizeof(struct fb_rk3288_pdata_t));
if(!pdat)
return NULL;
fb = malloc(sizeof(struct fb_t));
if(!fb)
{
free(pdat);
return NULL;
}
pdat->virtvop = virt;
pdat->virtgrf = phys_to_virt(RK3288_GRF_BASE);
pdat->virtlvds = phys_to_virt(RK3288_LVDS_BASE);
pdat->lcd_avdd_3v3 = strdup(dt_read_string(n, "regulator-lcd-avdd-3v3", NULL));
pdat->lcd_avdd_1v8 = strdup(dt_read_string(n, "regulator-lcd-avdd-1v8", NULL));
pdat->lcd_avdd_1v0 = strdup(dt_read_string(n, "regulator-lcd-avdd-1v0", NULL));
pdat->clk = strdup(clk);
pdat->width = dt_read_int(n, "width", 1024);
pdat->height = dt_read_int(n, "height", 600);
pdat->xdpi = dt_read_int(n, "dots-per-inch-x", 160);
pdat->ydpi = dt_read_int(n, "dots-per-inch-y", 160);
pdat->bits_per_pixel = dt_read_int(n, "bits-per-pixel", 32);
pdat->bytes_per_pixel = dt_read_int(n, "bytes-per-pixel", 4);
pdat->index = 0;
pdat->vram[0] = dma_alloc_noncoherent(pdat->width * pdat->height * pdat->bytes_per_pixel);
pdat->vram[1] = dma_alloc_noncoherent(pdat->width * pdat->height * pdat->bytes_per_pixel);
pdat->interface = RK3288_VOP_INTERFACE_RGB_LVDS;
pdat->output = RK3288_LVDS_OUTPUT_RGB;
pdat->format = RK3288_LVDS_FORMAT_JEIDA;
pdat->mode.mirrorx = 0;
pdat->mode.mirrory = 0;
pdat->mode.swaprg = 0;
pdat->mode.swaprb = 0;
pdat->mode.swapbg = 0;
pdat->timing.pixel_clock_hz = dt_read_long(n, "clock-frequency", 52000000);
pdat->timing.h_front_porch = dt_read_int(n, "hfront-porch", 1);
pdat->timing.h_back_porch = dt_read_int(n, "hback-porch", 1);
pdat->timing.h_sync_len = dt_read_int(n, "hsync-len", 1);
pdat->timing.v_front_porch = dt_read_int(n, "vfront-porch", 1);
pdat->timing.v_back_porch = dt_read_int(n, "vback-porch", 1);
pdat->timing.v_sync_len = dt_read_int(n, "vsync-len", 1);
pdat->timing.h_sync_active = dt_read_bool(n, "hsync-active", 0);
pdat->timing.v_sync_active = dt_read_bool(n, "vsync-active", 0);
pdat->timing.den_active = dt_read_bool(n, "den-active", 0);
pdat->timing.clk_active = dt_read_bool(n, "clk-active", 0);
pdat->backlight = search_led(dt_read_string(n, "backlight", NULL));
fb->name = alloc_device_name(dt_read_name(n), -1);
fb->width = pdat->width;
fb->height = pdat->height;
fb->xdpi = pdat->xdpi;
fb->ydpi = pdat->ydpi;
fb->bpp = pdat->bits_per_pixel;
fb->setbl = fb_setbl,
fb->getbl = fb_getbl,
fb->create = fb_create,
fb->destroy = fb_destroy,
fb->present = fb_present,
fb->priv = pdat;
regulator_set_voltage(pdat->lcd_avdd_3v3, 3300000);
regulator_enable(pdat->lcd_avdd_3v3);
regulator_set_voltage(pdat->lcd_avdd_1v8, 1800000);
regulator_enable(pdat->lcd_avdd_1v8);
regulator_set_voltage(pdat->lcd_avdd_1v0, 1000000);
regulator_enable(pdat->lcd_avdd_1v0);
clk_enable(pdat->clk);
rk3288_fb_init(pdat);
if(!register_fb(&dev, fb))
{
regulator_disable(pdat->lcd_avdd_3v3);
free(pdat->lcd_avdd_3v3);
regulator_disable(pdat->lcd_avdd_1v8);
free(pdat->lcd_avdd_1v8);
regulator_disable(pdat->lcd_avdd_1v0);
free(pdat->lcd_avdd_1v0);
clk_disable(pdat->clk);
free(pdat->clk);
dma_free_noncoherent(pdat->vram[0]);
dma_free_noncoherent(pdat->vram[1]);
free_device_name(fb->name);
free(fb->priv);
free(fb);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * compass_hmc5883l_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct compass_hmc5883l_pdata_t * pdat;
struct compass_t * c;
struct device_t * dev;
struct i2c_device_t * i2cdev;
u8_t ida, idb, idc;
i2cdev = i2c_device_alloc(dt_read_string(n, "i2c-bus", NULL), dt_read_int(n, "slave-address", 0x1e), 0);
if(!i2cdev)
return NULL;
if(hmc5883l_read(i2cdev, REG_IDA, &ida)
&& hmc5883l_read(i2cdev, REG_IDB, &idb)
&& hmc5883l_read(i2cdev, REG_IDC, &idc)
&& (ida == 0x48)
&& (idb == 0x34)
&& (idc == 0x33))
{
hmc5883l_write(i2cdev, REG_CFGA, 0x70);
hmc5883l_write(i2cdev, REG_CFGB, 0x20);
hmc5883l_write(i2cdev, REG_MODE, 0x00);
}
else
{
i2c_device_free(i2cdev);
return NULL;
}
pdat = malloc(sizeof(struct compass_hmc5883l_pdata_t));
if(!pdat)
{
i2c_device_free(i2cdev);
return NULL;
}
c = malloc(sizeof(struct compass_t));
if(!c)
{
i2c_device_free(i2cdev);
free(pdat);
return NULL;
}
pdat->dev = i2cdev;
c->name = alloc_device_name(dt_read_name(n), -1);
c->ox = 0;
c->oy = 0;
c->oz = 0;
c->get = compass_hmc5883l_get;
c->priv = pdat;
if(!register_compass(&dev, c))
{
i2c_device_free(pdat->dev);
free_device_name(c->name);
free(c->priv);
free(c);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * spi_rk3128_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct spi_rk3128_pdata_t * pdat;
struct spi_t * spi;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
pdat = malloc(sizeof(struct spi_rk3128_pdata_t));
if(!pdat)
return FALSE;
spi = malloc(sizeof(struct spi_t));
if(!spi)
{
free(pdat);
return FALSE;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->sclk = dt_read_int(n, "sclk-gpio", -1);
pdat->sclkcfg = dt_read_int(n, "sclk-gpio-config", -1);
pdat->mosi = dt_read_int(n, "mosi-gpio", -1);
pdat->mosicfg = dt_read_int(n, "mosi-gpio-config", -1);
pdat->miso = dt_read_int(n, "miso-gpio", -1);
pdat->misocfg = dt_read_int(n, "miso-gpio-config", -1);
pdat->cs = dt_read_int(n, "cs-gpio", -1);
pdat->cscfg = dt_read_int(n, "cs-gpio-config", -1);
spi->name = alloc_device_name(dt_read_name(n), -1);
spi->type = SPI_TYPE_SINGLE;
spi->transfer = spi_rk3128_transfer;
spi->select = spi_rk3128_select;
spi->deselect = spi_rk3128_deselect;
spi->priv = pdat;
clk_enable(pdat->clk);
if(pdat->sclk >= 0)
{
if(pdat->sclkcfg >= 0)
gpio_set_cfg(pdat->sclk, pdat->sclkcfg);
gpio_set_pull(pdat->sclk, GPIO_PULL_NONE);
}
if(pdat->mosi >= 0)
{
if(pdat->mosicfg >= 0)
gpio_set_cfg(pdat->mosi, pdat->mosicfg);
gpio_set_pull(pdat->mosi, GPIO_PULL_NONE);
}
if(pdat->miso >= 0)
{
if(pdat->misocfg >= 0)
gpio_set_cfg(pdat->miso, pdat->misocfg);
gpio_set_pull(pdat->miso, GPIO_PULL_NONE);
}
if(pdat->cs >= 0)
{
if(pdat->cscfg >= 0)
gpio_set_cfg(pdat->cs, pdat->cscfg);
gpio_set_pull(pdat->cs, GPIO_PULL_NONE);
}
rk3128_spi_enable_chip(pdat, 0);
write32(pdat->virt + SPI_CTRLR0, (0 << 20) | (0 << 18) | (0 << 16) | (3 << 14) | (0 << 12) | (0 << 11) | (1 << 10) | (0 << 8) | (1 << 0));
write32(pdat->virt + SPI_TXFTLR, 32 / 2 - 1);
write32(pdat->virt + SPI_RXFTLR, 32 / 2 - 1);
if(!register_spi(&dev, spi))
{
clk_disable(pdat->clk);
free(pdat->clk);
free_device_name(spi->name);
free(spi->priv);
free(spi);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * clk_rk3128_gate_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct clk_rk3128_gate_pdata_t * pdat;
struct clk_t * clk;
struct device_t * dev;
struct dtnode_t o;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * parent = dt_read_string(n, "parent", NULL);
char * name = dt_read_string(n, "name", NULL);
int shift = dt_read_int(n, "shift", -1);
if(!parent || !name || (shift < 0))
return NULL;
if(!search_clk(parent) || search_clk(name))
return NULL;
pdat = malloc(sizeof(struct clk_rk3128_gate_pdata_t));
if(!pdat)
return NULL;
clk = malloc(sizeof(struct clk_t));
if(!clk)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->parent = strdup(parent);
pdat->shift = shift;
pdat->invert = dt_read_bool(n, "invert", 0);
clk->name = strdup(name);
clk->count = 0;
clk->set_parent = clk_rk3128_gate_set_parent;
clk->get_parent = clk_rk3128_gate_get_parent;
clk->set_enable = clk_rk3128_gate_set_enable;
clk->get_enable = clk_rk3128_gate_get_enable;
clk->set_rate = clk_rk3128_gate_set_rate;
clk->get_rate = clk_rk3128_gate_get_rate;
clk->priv = pdat;
if(!register_clk(&dev, clk))
{
free(pdat->parent);
free(clk->name);
free(clk->priv);
free(clk);
return NULL;
}
dev->driver = drv;
if(dt_read_object(n, "default", &o))
{
char * c = clk->name;
char * p;
u64_t r;
int e;
if((p = dt_read_string(&o, "parent", NULL)) && search_clk(p))
clk_set_parent(c, p);
if((r = (u64_t)dt_read_long(&o, "rate", 0)) > 0)
clk_set_rate(c, r);
if((e = dt_read_bool(&o, "enable", -1)) != -1)
{
if(e > 0)
clk_enable(c);
else
clk_disable(c);
}
}
return dev;
}
static struct device_t * key_rc5t620_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct key_rc5t620_pdata_t * pdat;
struct input_t * input;
struct device_t * dev;
struct i2c_device_t * i2cdev;
int gpio = dt_read_int(n, "interrupt-gpio", -1);
int irq = gpio_to_irq(gpio);
u8_t val;
if(!gpio_is_valid(gpio) || !irq_is_valid(irq))
return NULL;
i2cdev = i2c_device_alloc(dt_read_string(n, "i2c-bus", NULL), dt_read_int(n, "slave-address", 0x32), 0);
if(!i2cdev)
return NULL;
if(rc5t620_read(i2cdev, RC5T620_LSIVER, &val) && (val == 0x03))
{
rc5t620_write(i2cdev, RC5T620_PWRIRQ, 0x00);
rc5t620_write(i2cdev, RC5T620_PWRIRSEL, 0x01);
rc5t620_write(i2cdev, RC5T620_INTEN, 0x01);
rc5t620_write(i2cdev, RC5T620_PWRIREN, 0x01);
}
else
{
i2c_device_free(i2cdev);
return NULL;
}
pdat = malloc(sizeof(struct key_rc5t620_pdata_t));
if(!pdat)
{
i2c_device_free(i2cdev);
return NULL;
}
input = malloc(sizeof(struct input_t));
if(!input)
{
i2c_device_free(i2cdev);
free(pdat);
return NULL;
}
pdat->dev = i2cdev;
pdat->irq = irq;
input->name = alloc_device_name(dt_read_name(n), dt_read_id(n));
input->type = INPUT_TYPE_KEYBOARD;
input->ioctl = key_rc5t620_ioctl;
input->priv = pdat;
gpio_set_pull(gpio, GPIO_PULL_UP);
gpio_direction_input(gpio);
request_irq(pdat->irq, key_rc5t620_interrupt, IRQ_TYPE_EDGE_FALLING, input);
if(!register_input(&dev, input))
{
free_irq(pdat->irq);
i2c_device_free(pdat->dev);
free_device_name(input->name);
free(input->priv);
free(input);
return NULL;
}
dev->driver = drv;
return dev;
}
