static void start_timers(void)
{
unsigned long flags;
local_irq_save(flags);
#ifdef CONFIG_BFIN561_BLUETECHNIX_CM
bfin_write_TMRS4_ENABLE((1 << (TIMER_HSYNC - 8)) |
(1 << (TIMER_DTMG - 8)));
bfin_write_TMRS8_ENABLE(1 << TIMER_VSYNC);
SSYNC();
bfin_write_TMRS8_ENABLE(1 << TIMER_DCLK);
#else
bfin_write_TIMER_ENABLE((1 << TIMER_HSYNC) | (1 << TIMER_DTMG) |
(1 << TIMER_VSYNC));
SSYNC();
bfin_write_TIMER_ENABLE(1 << TIMER_DCLK);
#endif
SSYNC();
mdelay(50);
gpio_set_value(PCI_PIN, 1);
SSYNC();
#ifdef CONFIG_BFIN561_BLUETECHNIX_CM
bfin_write_TMRS8_ENABLE(1 << TIMER_BACKLIGHT);
#else
bfin_write_TIMER_ENABLE(1 << TIMER_BACKLIGHT);
#endif
SSYNC();
local_irq_restore(flags);
}
static void set_backlight(int val)
{
unsigned long timer_period;
pr_debug("%s to %d\n", __func__, val);
if (val < 0)
val = 0;
if (val > MAX_BRIGHTNESS)
val = MAX_BRIGHTNESS;
current_brightness = val;
#ifdef CONFIG_BFIN561_BLUETECHNIX_CM
bfin_write_TMRS8_DISABLE(1 << TIMER_BACKLIGHT);
#else
bfin_write_TIMER_DISABLE(1 << TIMER_BACKLIGHT);
#endif
SSYNC();
timer_period = get_sclk() / 100000;
BFIN_WRITE(TIMER_BACKLIGHT, WIDTH) ((timer_period * val) / 100);
#ifdef CONFIG_BFIN561_BLUETECHNIX_CM
bfin_write_TMRS8_ENABLE(1 << TIMER_BACKLIGHT);
#else
bfin_write_TIMER_ENABLE(1 << TIMER_BACKLIGHT);
#endif
SSYNC();
}
static void start_timers(void) /* CHECK with HW */
{
unsigned long flags;
local_irq_save(flags);
bfin_write_TIMER_ENABLE(TIMEN_REV);
SSYNC();
while (bfin_read_TIMER_REV_COUNTER() <= 11);
bfin_write_TIMER_ENABLE(TIMEN_LP);
SSYNC();
while (bfin_read_TIMER_LP_COUNTER() < 3);
bfin_write_TIMER_ENABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS);
SSYNC();
t_conf_done = 1;
local_irq_restore(flags);
}
static void init_tlv320aic31(void)
{
puts("Audio: setup TIMER0 to enable 16.384 MHz clock for tlv320aic31\n");
peripheral_request(P_TMR0, "tlv320aic31 clock");
bfin_write_TIMER0_CONFIG(0x020d);
bfin_write_TIMER0_PERIOD(0x0008);
bfin_write_TIMER0_WIDTH(0x0008/2);
bfin_write_TIMER_ENABLE(bfin_read_TIMER_ENABLE() | 1);
SSYNC();
udelay(10000);
puts(" resetting tlv320aic31\n");
gpio_request(GPIO_PF2, "tlv320aic31");
gpio_direction_output(GPIO_PF2, 0);
udelay(10000);
gpio_direction_output(GPIO_PF2, 1);
udelay(10000);
gpio_free(GPIO_PF2);
}