Samsung S5PC110 Manual page 1886

S5PC110_UM
4.5.1.1 AC97 Global Control Register (AC_GLBCTRL, R/W, Address = 0xE220_0000)
This is the global register of the AC97 controller. There are interrupt control registers, DMA control registers, AC-
Link control register, data transmission control register and related reset control register.
AC_GLBCTRL
-
Codec ready interrupt clear
PCM out channel underrun
interrupt clear
PCM in channel overrun
interrupt clear
MIC in channel overrun
interrupt clear
PCM out channel threshold
interrupt clear
PCM in channel threshold
interrupt clear
MIC in channel threshold
interrupt clear
-
Codec ready interrupt enable
PCM out channel underrun
interrupt enable
PCM in channel overrun
interrupt enable
Mic in channel overrun
interrupt enable
PCM out channel threshold
interrupt enable
PCM in channel threshold
interrupt enable
MIC in channel threshold
interrupt enable
-
PCM out channel transfer
mode
PCM in channel transfer mode [11:10] 00 = Off
MIC in channel transfer mode
Bit
[31] Reserved.
[30] 1 = Interrupt clear(write only)
[29] 1 = Interrupt clear(write only)
[28] 1 = Interrupt clear(write only)
[27] 1 = Interrupt clear(write only)
[26] 1 = Interrupt clear(write only)
[25] 1 = Interrupt clear(write only)
[24] 1 = Interrupt clear(write only)
[23] Reserved
[22] 0 = Disables
1 = Enables
[21] 0 = Disables
1 = Enables ( FIFO is empty)
[20] 0 = Disables
1 = Enables ( FIFO is full)
[19] 0 = Disables
1 = Enables ( FIFO is full)
[18] 0 = Disables
1 = Enables ( FIFO is half empty)
[17] 0 = Disables
1 = Enables ( FIFO is half full)
[16] 0 = Disables
1 = Enables ( FIFO is half full)
[15:14] Reserved.
[13:12] 00 = Off
01 = PIO
10 = DMA
11 = Reserved
01 = PIO
10 = DMA
11 = Reserved
[9:8] 00 = Off
Description
4 AC97 CONTROLLER
Initial State
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
00
00
00
00
4-14