*
*
* \author Francesco Sacchi <batt@develer.com>
+ * \author Daniele Basile <asterix@develer.com>
*/
#include "tas5706a.h"
#include "hw/hw_tas5706a.h"
#include "cfg/cfg_tas5706a.h"
+#include "cfg/cfg_i2c.h"
#include <cfg/module.h>
#include <drv/i2c.h>
#include <drv/timer.h>
+typedef uint8_t tas_addr_t;
#define TAS_ADDR 0x36
-typedef uint8_t tas_addr_t;
+#define TRIM_REG 0x1B
+#define SYS_REG2 0x05
+#define VOLUME_REG 0x07
+#define MUTE_VOL 0xFF
+
+#define DB_TO_REG(db) ((24 - (db)) * 2)
+
+#define CH1_VOL_REG 0x08
+#define CH2_VOL_REG 0x09
+#define CH3_VOL_REG 0x0A
+#define CH4_VOL_REG 0x0B
+
+
+#if !CONFIG_I2C_DISABLE_OLD_API
static bool tas5706a_send(tas_addr_t addr, const void *buf, size_t len)
{
return ret;
}
-INLINE bool tas5706a_putc(tas_addr_t addr, uint8_t ch)
+INLINE bool tas5706a_put(tas_addr_t addr, uint8_t ch)
{
return tas5706a_send(addr, &ch, sizeof(ch));
}
return ret;
}
-INLINE int tas5706a_getc(tas_addr_t addr)
+INLINE int tas5706a_get(tas_addr_t addr)
{
uint8_t ch;
if (tas5706a_recv(addr, &ch, sizeof(ch)))
return EOF;
}
-#define TRIM_REG 0x1B
-#define SYS_REG2 0x05
-#define VOLUME_REG 0x07
-#define MUTE_VOL 0xFF
-
-#define DB_TO_REG(db) ((24 - (db)) * 2)
-
-void tas5706a_init(void)
+void tas5706a_init_0(void)
{
MOD_CHECK(i2c);
MOD_CHECK(timer);
timer_delay(2);
TAS5706A_SETRESET(false);
timer_delay(20);
- tas5706a_putc(TRIM_REG, 0x00);
+ tas5706a_put(TRIM_REG, 0x00);
- tas5706a_putc(VOLUME_REG, DB_TO_REG(CONFIG_TAS_MAX_VOL));
+ tas5706a_put(VOLUME_REG, DB_TO_REG(CONFIG_TAS_MAX_VOL));
/* Unmute */
- tas5706a_putc(SYS_REG2, 0);
+ tas5706a_put(SYS_REG2, 0);
}
-#define CH1_VOL_REG 0x08
-#define CH2_VOL_REG 0x09
-#define CH3_VOL_REG 0x0A
-#define CH4_VOL_REG 0x0B
+void tas5706a_setVolume_2(Tas5706aCh ch, tas5706a_vol_t vol)
+{
+ ASSERT(ch < TAS_CNT);
+ ASSERT(vol <= TAS_VOL_MAX);
+
+ tas_addr_t addr1, addr2;
+
+ switch(ch)
+ {
+ case TAS_CH1:
+ addr1 = CH1_VOL_REG;
+ addr2 = CH3_VOL_REG;
+ break;
+ case TAS_CH2:
+ addr1 = CH2_VOL_REG;
+ addr2 = CH4_VOL_REG;
+ break;
+ default:
+ ASSERT(0);
+ return;
+ }
+
+ uint8_t vol_att = 0xff - ((vol * 0xff) / TAS_VOL_MAX);
+
+ tas5706a_put(addr1, vol_att);
+ tas5706a_put(addr2, vol_att);
+}
+
+void tas5706a_setLowPower_1(bool val)
+{
+ TAS5706A_SETPOWERDOWN(val);
+ TAS5706A_SETMUTE(val);
+}
+#endif /* !CONFIG_I2C_DISABLE_OLD_API */
-void tas5706a_setVolume(Tas5706aCh ch, tas5706a_vol_t vol)
+/*
+ * New API
+ */
+INLINE bool tas5706a_putc(I2c *i2c, tas_addr_t addr, uint8_t ch)
+{
+ i2c_start_w(i2c, TAS_ADDR, 2, I2C_STOP);
+ i2c_putc(i2c, addr);
+ i2c_putc(i2c, ch);
+
+ if (i2c_error(i2c))
+ return false;
+
+ return true;
+}
+
+void tas5706a_setVolume_3(I2c *i2c, Tas5706aCh ch, tas5706a_vol_t vol)
{
ASSERT(ch < TAS_CNT);
ASSERT(vol <= TAS_VOL_MAX);
uint8_t vol_att = 0xff - ((vol * 0xff) / TAS_VOL_MAX);
- tas5706a_putc(addr1, vol_att);
- tas5706a_putc(addr2, vol_att);
+ tas5706a_putc(i2c, addr1, vol_att);
+ tas5706a_putc(i2c, addr2, vol_att);
}
-void tas5706a_setLowPower(bool val)
+void tas5706a_setLowPower_2(I2c *i2c, bool val)
{
+ ASSERT(i2c);
+
TAS5706A_SETPOWERDOWN(val);
TAS5706A_SETMUTE(val);
}
+
+void tas5706a_init_1(I2c *i2c)
+{
+ ASSERT(i2c);
+ MOD_CHECK(timer);
+
+ TAS5706A_PIN_INIT();
+ timer_delay(200);
+ TAS5706A_SETPOWERDOWN(false);
+ TAS5706A_SETMUTE(false);
+ TAS5706A_MCLK_INIT();
+ timer_delay(2);
+ TAS5706A_SETRESET(false);
+ timer_delay(20);
+ tas5706a_putc(i2c, TRIM_REG, 0x00);
+
+ tas5706a_putc(i2c, VOLUME_REG, DB_TO_REG(CONFIG_TAS_MAX_VOL));
+
+ /* Unmute */
+ tas5706a_putc(i2c, SYS_REG2, 0);
+}