571 #define DBRI_STREAM(dbri, substream)	\  argument
572 		&dbri->stream_info[DBRI_STREAMNO(substream)]
639 static void dbri_cmdwait(struct snd_dbri *dbri)  in dbri_cmdwait()  argument
645 	spin_lock_irqsave(&dbri->lock, flags);  in dbri_cmdwait()
646 	while ((--maxloops) > 0 && (sbus_readl(dbri->regs + REG0) & D_P)) {  in dbri_cmdwait()
647 		spin_unlock_irqrestore(&dbri->lock, flags);  in dbri_cmdwait()
649 		spin_lock_irqsave(&dbri->lock, flags);  in dbri_cmdwait()
651 	spin_unlock_irqrestore(&dbri->lock, flags);  in dbri_cmdwait()
663 static s32 *dbri_cmdlock(struct snd_dbri *dbri, int len)  in dbri_cmdlock()  argument
665 	u32 dvma_addr = (u32)dbri->dma_dvma;  in dbri_cmdlock()
669 	spin_lock(&dbri->cmdlock);  in dbri_cmdlock()
670 	if (dbri->cmdptr - dbri->dma->cmd + len < DBRI_NO_CMDS - 2)  in dbri_cmdlock()
671 		return dbri->cmdptr + 2;  in dbri_cmdlock()
672 	else if (len < sbus_readl(dbri->regs + REG8) - dvma_addr)  in dbri_cmdlock()
673 		return dbri->dma->cmd;  in dbri_cmdlock()
688 static void dbri_cmdsend(struct snd_dbri *dbri, s32 *cmd, int len)  in dbri_cmdsend()  argument
690 	u32 dvma_addr = (u32)dbri->dma_dvma;  in dbri_cmdsend()
700 	addr = dvma_addr + (cmd - len - dbri->dma->cmd) * sizeof(s32);  in dbri_cmdsend()
701 	*(dbri->cmdptr+1) = addr;  in dbri_cmdsend()
702 	*(dbri->cmdptr) = DBRI_CMD(D_JUMP, 0, 0);  in dbri_cmdsend()
705 	if (cmd > dbri->cmdptr) {  in dbri_cmdsend()
708 		for (ptr = dbri->cmdptr; ptr < cmd+2; ptr++)  in dbri_cmdsend()
712 		s32 *ptr = dbri->cmdptr;  in dbri_cmdsend()
717 		for (ptr = dbri->dma->cmd; ptr < cmd+2; ptr++)  in dbri_cmdsend()
724 	tmp = sbus_readl(dbri->regs + REG0);  in dbri_cmdsend()
726 	sbus_writel(tmp, dbri->regs + REG0);  in dbri_cmdsend()
728 	dbri->cmdptr = cmd;  in dbri_cmdsend()
729 	spin_unlock(&dbri->cmdlock);  in dbri_cmdsend()
733 static void dbri_reset(struct snd_dbri *dbri)  in dbri_reset()  argument
739 		sbus_readl(dbri->regs + REG0),  in dbri_reset()
740 		sbus_readl(dbri->regs + REG2),  in dbri_reset()
741 		sbus_readl(dbri->regs + REG8), sbus_readl(dbri->regs + REG9));  in dbri_reset()
743 	sbus_writel(D_R, dbri->regs + REG0);	/* Soft Reset */  in dbri_reset()
744 	for (i = 0; (sbus_readl(dbri->regs + REG0) & D_R) && i < 64; i++)  in dbri_reset()
749 	tmp = sbus_readl(dbri->regs + REG0);  in dbri_reset()
752 	sbus_writel(tmp, dbri->regs + REG0);  in dbri_reset()
756 static void dbri_initialize(struct snd_dbri *dbri)  in dbri_initialize()  argument
758 	u32 dvma_addr = (u32)dbri->dma_dvma;  in dbri_initialize()
764 	spin_lock_irqsave(&dbri->lock, flags);  in dbri_initialize()
766 	dbri_reset(dbri);  in dbri_initialize()
770 		dbri->pipes[n].desc = dbri->pipes[n].first_desc = -1;  in dbri_initialize()
772 	spin_lock_init(&dbri->cmdlock);  in dbri_initialize()
777 	dbri->dma->intr[0] = dma_addr;  in dbri_initialize()
778 	dbri->dbri_irqp = 1;  in dbri_initialize()
782 	spin_lock(&dbri->cmdlock);  in dbri_initialize()
783 	cmd = dbri->cmdptr = dbri->dma->cmd;  in dbri_initialize()
787 	dbri->cmdptr = cmd;  in dbri_initialize()
791 	sbus_writel(dma_addr, dbri->regs + REG8);  in dbri_initialize()
792 	spin_unlock(&dbri->cmdlock);  in dbri_initialize()
794 	spin_unlock_irqrestore(&dbri->lock, flags);  in dbri_initialize()
795 	dbri_cmdwait(dbri);  in dbri_initialize()
812 static inline int pipe_active(struct snd_dbri *dbri, int pipe)  in pipe_active()  argument
814 	return ((pipe >= 0) && (dbri->pipes[pipe].desc != -1));  in pipe_active()
822 static void reset_pipe(struct snd_dbri *dbri, int pipe)  in reset_pipe()  argument
834 	sdp = dbri->pipes[pipe].sdp;  in reset_pipe()
841 	cmd = dbri_cmdlock(dbri, 3);  in reset_pipe()
845 	dbri_cmdsend(dbri, cmd, 3);  in reset_pipe()
847 	desc = dbri->pipes[pipe].first_desc;  in reset_pipe()
850 			dbri->dma->desc[desc].ba = 0;  in reset_pipe()
851 			dbri->dma->desc[desc].nda = 0;  in reset_pipe()
852 			desc = dbri->next_desc[desc];  in reset_pipe()
853 		} while (desc != -1 && desc != dbri->pipes[pipe].first_desc);  in reset_pipe()
855 	dbri->pipes[pipe].desc = -1;  in reset_pipe()
856 	dbri->pipes[pipe].first_desc = -1;  in reset_pipe()
862 static void setup_pipe(struct snd_dbri *dbri, int pipe, int sdp)  in setup_pipe()  argument
883 	dbri->pipes[pipe].sdp = sdp;  in setup_pipe()
884 	dbri->pipes[pipe].desc = -1;  in setup_pipe()
885 	dbri->pipes[pipe].first_desc = -1;  in setup_pipe()
887 	reset_pipe(dbri, pipe);  in setup_pipe()
893 static void link_time_slot(struct snd_dbri *dbri, int pipe,  in link_time_slot()  argument
908 	if (dbri->pipes[pipe].sdp == 0  in link_time_slot()
909 			|| dbri->pipes[prevpipe].sdp == 0  in link_time_slot()
910 			|| dbri->pipes[nextpipe].sdp == 0) {  in link_time_slot()
916 	dbri->pipes[prevpipe].nextpipe = pipe;  in link_time_slot()
917 	dbri->pipes[pipe].nextpipe = nextpipe;  in link_time_slot()
918 	dbri->pipes[pipe].length = length;  in link_time_slot()
920 	cmd = dbri_cmdlock(dbri, 4);  in link_time_slot()
922 	if (dbri->pipes[pipe].sdp & D_SDP_TO_SER) {  in link_time_slot()
929 			cycle = dbri->chi_bpf;  in link_time_slot()
945 	dbri_cmdsend(dbri, cmd, 4);  in link_time_slot()
952 static void unlink_time_slot(struct snd_dbri *dbri, int pipe,
967 	cmd = dbri_cmdlock(dbri, 4);
982 	dbri_cmdsend(dbri, cmd, 4);
1002 static void xmit_fixed(struct snd_dbri *dbri, int pipe, unsigned int data)  in xmit_fixed()  argument
1012 	if (D_SDP_MODE(dbri->pipes[pipe].sdp) == 0) {  in xmit_fixed()
1018 	if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {  in xmit_fixed()
1023 	if (!(dbri->pipes[pipe].sdp & D_SDP_TO_SER)) {  in xmit_fixed()
1031 	if (dbri->pipes[pipe].sdp & D_SDP_MSB)  in xmit_fixed()
1032 		data = reverse_bytes(data, dbri->pipes[pipe].length);  in xmit_fixed()
1034 	cmd = dbri_cmdlock(dbri, 3);  in xmit_fixed()
1040 	spin_lock_irqsave(&dbri->lock, flags);  in xmit_fixed()
1041 	dbri_cmdsend(dbri, cmd, 3);  in xmit_fixed()
1042 	spin_unlock_irqrestore(&dbri->lock, flags);  in xmit_fixed()
1043 	dbri_cmdwait(dbri);  in xmit_fixed()
1047 static void recv_fixed(struct snd_dbri *dbri, int pipe, volatile __u32 *ptr)  in recv_fixed()  argument
1055 	if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {  in recv_fixed()
1061 	if (dbri->pipes[pipe].sdp & D_SDP_TO_SER) {  in recv_fixed()
1067 	dbri->pipes[pipe].recv_fixed_ptr = ptr;  in recv_fixed()
1086 static int setup_descs(struct snd_dbri *dbri, int streamno, unsigned int period)  in setup_descs()  argument
1088 	struct dbri_streaminfo *info = &dbri->stream_info[streamno];  in setup_descs()
1089 	u32 dvma_addr = (u32)dbri->dma_dvma;  in setup_descs()
1101 	if (dbri->pipes[info->pipe].sdp == 0) {  in setup_descs()
1111 		if (!(dbri->pipes[info->pipe].sdp & D_SDP_TO_SER)) {  in setup_descs()
1117 		if (dbri->pipes[info->pipe].sdp & D_SDP_TO_SER) {  in setup_descs()
1126 		if (pipe_active(dbri, info->pipe)) {  in setup_descs()
1137 	desc = dbri->pipes[info->pipe].first_desc;  in setup_descs()
1140 			dbri->dma->desc[desc].ba = 0;  in setup_descs()
1141 			dbri->dma->desc[desc].nda = 0;  in setup_descs()
1142 			desc = dbri->next_desc[desc];  in setup_descs()
1144 			 desc != dbri->pipes[info->pipe].first_desc);  in setup_descs()
1146 	dbri->pipes[info->pipe].desc = -1;  in setup_descs()
1147 	dbri->pipes[info->pipe].first_desc = -1;  in setup_descs()
1154 			if (!dbri->dma->desc[desc].ba)  in setup_descs()
1171 		dbri->next_desc[desc] = -1;  in setup_descs()
1172 		dbri->dma->desc[desc].ba = dvma_buffer;  in setup_descs()
1173 		dbri->dma->desc[desc].nda = 0;  in setup_descs()
1176 			dbri->dma->desc[desc].word1 = DBRI_TD_CNT(mylen);  in setup_descs()
1177 			dbri->dma->desc[desc].word4 = 0;  in setup_descs()
1178 			dbri->dma->desc[desc].word1 |= DBRI_TD_F | DBRI_TD_B;  in setup_descs()
1180 			dbri->dma->desc[desc].word1 = 0;  in setup_descs()
1181 			dbri->dma->desc[desc].word4 =  in setup_descs()
1188 			dbri->next_desc[last_desc] = desc;  in setup_descs()
1189 			dbri->dma->desc[last_desc].nda =  in setup_descs()
1204 	dbri->dma->desc[last_desc].nda =  in setup_descs()
1206 	dbri->next_desc[last_desc] = first_desc;  in setup_descs()
1207 	dbri->pipes[info->pipe].first_desc = first_desc;  in setup_descs()
1208 	dbri->pipes[info->pipe].desc = first_desc;  in setup_descs()
1214 			dbri->dma->desc[desc].word1,  in setup_descs()
1215 			dbri->dma->desc[desc].ba,  in setup_descs()
1216 			dbri->dma->desc[desc].nda, dbri->dma->desc[desc].word4);  in setup_descs()
1217 			desc = dbri->next_desc[desc];  in setup_descs()
1241 static void reset_chi(struct snd_dbri *dbri,  in reset_chi()  argument
1250 	cmd = dbri_cmdlock(dbri, 4);  in reset_chi()
1257 	dbri_cmdsend(dbri, cmd, 4);  in reset_chi()
1259 	dbri->pipes[16].sdp = 1;  in reset_chi()
1260 	dbri->pipes[16].nextpipe = 16;  in reset_chi()
1262 	cmd = dbri_cmdlock(dbri, 4);  in reset_chi()
1290 	dbri->chi_bpf = bits_per_frame;  in reset_chi()
1304 	dbri_cmdsend(dbri, cmd, 4);  in reset_chi()
1318 static void cs4215_setup_pipes(struct snd_dbri *dbri)  in cs4215_setup_pipes()  argument
1322 	spin_lock_irqsave(&dbri->lock, flags);  in cs4215_setup_pipes()
1338 	setup_pipe(dbri, 4, D_SDP_MEM | D_SDP_TO_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1339 	setup_pipe(dbri, 20, D_SDP_FIXED | D_SDP_TO_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1340 	setup_pipe(dbri, 6, D_SDP_MEM | D_SDP_FROM_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1341 	setup_pipe(dbri, 21, D_SDP_FIXED | D_SDP_FROM_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1343 	setup_pipe(dbri, 17, D_SDP_FIXED | D_SDP_TO_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1344 	setup_pipe(dbri, 18, D_SDP_FIXED | D_SDP_FROM_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1345 	setup_pipe(dbri, 19, D_SDP_FIXED | D_SDP_FROM_SER | D_SDP_MSB);  in cs4215_setup_pipes()
1346 	spin_unlock_irqrestore(&dbri->lock, flags);  in cs4215_setup_pipes()
1348 	dbri_cmdwait(dbri);  in cs4215_setup_pipes()
1385 static void cs4215_setdata(struct snd_dbri *dbri, int muted)  in cs4215_setdata()  argument
1388 		dbri->mm.data[0] |= 63;  in cs4215_setdata()
1389 		dbri->mm.data[1] |= 63;  in cs4215_setdata()
1390 		dbri->mm.data[2] &= ~15;  in cs4215_setdata()
1391 		dbri->mm.data[3] &= ~15;  in cs4215_setdata()
1394 		struct dbri_streaminfo *info = &dbri->stream_info[DBRI_PLAY];  in cs4215_setdata()
1398 		dbri->mm.data[0] &= ~0x3f;	/* Reset the volume bits */  in cs4215_setdata()
1399 		dbri->mm.data[1] &= ~0x3f;  in cs4215_setdata()
1400 		dbri->mm.data[0] |= (DBRI_MAX_VOLUME - left_gain);  in cs4215_setdata()
1401 		dbri->mm.data[1] |= (DBRI_MAX_VOLUME - right_gain);  in cs4215_setdata()
1404 		info = &dbri->stream_info[DBRI_REC];  in cs4215_setdata()
1407 		dbri->mm.data[2] |= CS4215_LG(left_gain);  in cs4215_setdata()
1408 		dbri->mm.data[3] |= CS4215_RG(right_gain);  in cs4215_setdata()
1411 	xmit_fixed(dbri, 20, *(int *)dbri->mm.data);  in cs4215_setdata()
1417 static void cs4215_open(struct snd_dbri *dbri)  in cs4215_open()  argument
1424 		dbri->mm.channels, dbri->mm.precision);  in cs4215_open()
1430 	cs4215_setdata(dbri, 1);  in cs4215_open()
1446 	spin_lock_irqsave(&dbri->lock, flags);  in cs4215_open()
1447 	tmp = sbus_readl(dbri->regs + REG0);  in cs4215_open()
1449 	sbus_writel(tmp, dbri->regs + REG0);  in cs4215_open()
1453 		    (dbri->mm.onboard ? D_PIO0 : D_PIO2), dbri->regs + REG2);  in cs4215_open()
1455 	reset_chi(dbri, CHIslave, 128);  in cs4215_open()
1463 	data_width = dbri->mm.channels * dbri->mm.precision;  in cs4215_open()
1465 	link_time_slot(dbri, 4, 16, 16, data_width, dbri->mm.offset);  in cs4215_open()
1466 	link_time_slot(dbri, 20, 4, 16, 32, dbri->mm.offset + 32);  in cs4215_open()
1467 	link_time_slot(dbri, 6, 16, 16, data_width, dbri->mm.offset);  in cs4215_open()
1468 	link_time_slot(dbri, 21, 6, 16, 16, dbri->mm.offset + 40);  in cs4215_open()
1471 	tmp = sbus_readl(dbri->regs + REG0);  in cs4215_open()
1473 	sbus_writel(tmp, dbri->regs + REG0);  in cs4215_open()
1474 	spin_unlock_irqrestore(&dbri->lock, flags);  in cs4215_open()
1476 	cs4215_setdata(dbri, 0);  in cs4215_open()
1482 static int cs4215_setctrl(struct snd_dbri *dbri)  in cs4215_setctrl()  argument
1493 	cs4215_setdata(dbri, 1);  in cs4215_setctrl()
1500 	val = D_ENPIO | D_PIO1 | (dbri->mm.onboard ? D_PIO0 : D_PIO2);  in cs4215_setctrl()
1501 	sbus_writel(val, dbri->regs + REG2);  in cs4215_setctrl()
1523 	spin_lock_irqsave(&dbri->lock, flags);  in cs4215_setctrl()
1524 	tmp = sbus_readl(dbri->regs + REG0);  in cs4215_setctrl()
1526 	sbus_writel(tmp, dbri->regs + REG0);  in cs4215_setctrl()
1528 	reset_chi(dbri, CHImaster, 128);  in cs4215_setctrl()
1537 	link_time_slot(dbri, 17, 16, 16, 32, dbri->mm.offset);  in cs4215_setctrl()
1538 	link_time_slot(dbri, 18, 16, 16, 8, dbri->mm.offset);  in cs4215_setctrl()
1539 	link_time_slot(dbri, 19, 18, 16, 8, dbri->mm.offset + 48);  in cs4215_setctrl()
1540 	spin_unlock_irqrestore(&dbri->lock, flags);  in cs4215_setctrl()
1543 	dbri->mm.ctrl[0] &= ~CS4215_CLB;  in cs4215_setctrl()
1544 	xmit_fixed(dbri, 17, *(int *)dbri->mm.ctrl);  in cs4215_setctrl()
1546 	spin_lock_irqsave(&dbri->lock, flags);  in cs4215_setctrl()
1547 	tmp = sbus_readl(dbri->regs + REG0);  in cs4215_setctrl()
1549 	sbus_writel(tmp, dbri->regs + REG0);  in cs4215_setctrl()
1550 	spin_unlock_irqrestore(&dbri->lock, flags);  in cs4215_setctrl()
1552 	for (i = 10; ((dbri->mm.status & 0xe4) != 0x20); --i)  in cs4215_setctrl()
1557 			dbri->mm.status);  in cs4215_setctrl()
1564 	recv_fixed(dbri, 19, NULL);  in cs4215_setctrl()
1569 	dbri->mm.ctrl[0] |= CS4215_CLB;  in cs4215_setctrl()
1570 	xmit_fixed(dbri, 17, *(int *)dbri->mm.ctrl);  in cs4215_setctrl()
1575 	cs4215_setdata(dbri, 0);  in cs4215_setctrl()
1586 static int cs4215_prepare(struct snd_dbri *dbri, unsigned int rate,  in cs4215_prepare()  argument
1604 		dbri->mm.ctrl[1] = CS4215_DFR_ULAW;  in cs4215_prepare()
1605 		dbri->mm.precision = 8;  in cs4215_prepare()
1608 		dbri->mm.ctrl[1] = CS4215_DFR_ALAW;  in cs4215_prepare()
1609 		dbri->mm.precision = 8;  in cs4215_prepare()
1612 		dbri->mm.ctrl[1] = CS4215_DFR_LINEAR8;  in cs4215_prepare()
1613 		dbri->mm.precision = 8;  in cs4215_prepare()
1616 		dbri->mm.ctrl[1] = CS4215_DFR_LINEAR16;  in cs4215_prepare()
1617 		dbri->mm.precision = 16;  in cs4215_prepare()
1625 	dbri->mm.ctrl[1] |= CS4215_FREQ[freq_idx].csval;  in cs4215_prepare()
1626 	dbri->mm.ctrl[2] = CS4215_XCLK |  in cs4215_prepare()
1629 	dbri->mm.channels = channels;  in cs4215_prepare()
1631 		dbri->mm.ctrl[1] |= CS4215_DFR_STEREO;  in cs4215_prepare()
1633 	ret = cs4215_setctrl(dbri);  in cs4215_prepare()
1635 		cs4215_open(dbri);	/* set codec to data mode */  in cs4215_prepare()
1643 static int cs4215_init(struct snd_dbri *dbri)  in cs4215_init()  argument
1645 	u32 reg2 = sbus_readl(dbri->regs + REG2);  in cs4215_init()
1651 		dbri->mm.onboard = 1;  in cs4215_init()
1655 		dbri->mm.onboard = 0;  in cs4215_init()
1660 			sbus_writel(D_ENPIO2, dbri->regs + REG2);  in cs4215_init()
1669 	cs4215_setup_pipes(dbri);  in cs4215_init()
1670 	cs4215_init_data(&dbri->mm);  in cs4215_init()
1673 	recv_fixed(dbri, 18, &dbri->mm.status);  in cs4215_init()
1674 	recv_fixed(dbri, 19, &dbri->mm.version);  in cs4215_init()
1676 	dbri->mm.offset = dbri->mm.onboard ? 0 : 8;  in cs4215_init()
1677 	if (cs4215_setctrl(dbri) == -1 || dbri->mm.version == 0xff) {  in cs4215_init()
1679 			dbri->mm.offset);  in cs4215_init()
1682 	dprintk(D_MM, "Found CS4215 at offset %d\n", dbri->mm.offset);  in cs4215_init()
1707 static void xmit_descs(struct snd_dbri *dbri)  in xmit_descs()  argument
1715 	if (dbri == NULL)  in xmit_descs()
1718 	dvma_addr = (u32)dbri->dma_dvma;  in xmit_descs()
1719 	info = &dbri->stream_info[DBRI_REC];  in xmit_descs()
1720 	spin_lock_irqsave(&dbri->lock, flags);  in xmit_descs()
1723 		first_td = dbri->pipes[info->pipe].first_desc;  in xmit_descs()
1729 			cmd = dbri_cmdlock(dbri, 2);  in xmit_descs()
1731 					    dbri->pipes[info->pipe].sdp  in xmit_descs()
1735 			dbri_cmdsend(dbri, cmd, 2);  in xmit_descs()
1738 			dbri->pipes[info->pipe].desc = first_td;  in xmit_descs()
1742 	info = &dbri->stream_info[DBRI_PLAY];  in xmit_descs()
1745 		first_td = dbri->pipes[info->pipe].first_desc;  in xmit_descs()
1751 			cmd = dbri_cmdlock(dbri, 2);  in xmit_descs()
1753 					    dbri->pipes[info->pipe].sdp  in xmit_descs()
1757 			dbri_cmdsend(dbri, cmd, 2);  in xmit_descs()
1760 			dbri->pipes[info->pipe].desc = first_td;  in xmit_descs()
1764 	spin_unlock_irqrestore(&dbri->lock, flags);  in xmit_descs()
1781 static void transmission_complete_intr(struct snd_dbri *dbri, int pipe)  in transmission_complete_intr()  argument
1783 	struct dbri_streaminfo *info = &dbri->stream_info[DBRI_PLAY];  in transmission_complete_intr()
1784 	int td = dbri->pipes[pipe].desc;  in transmission_complete_intr()
1793 		status = DBRI_TD_STATUS(dbri->dma->desc[td].word4);  in transmission_complete_intr()
1799 		dbri->dma->desc[td].word4 = 0;	/* Reset it for next time. */  in transmission_complete_intr()
1800 		info->offset += DBRI_RD_CNT(dbri->dma->desc[td].word1);  in transmission_complete_intr()
1802 		td = dbri->next_desc[td];  in transmission_complete_intr()
1803 		dbri->pipes[pipe].desc = td;  in transmission_complete_intr()
1807 	spin_unlock(&dbri->lock);  in transmission_complete_intr()
1809 	spin_lock(&dbri->lock);  in transmission_complete_intr()
1812 static void reception_complete_intr(struct snd_dbri *dbri, int pipe)  in reception_complete_intr()  argument
1815 	int rd = dbri->pipes[pipe].desc;  in reception_complete_intr()
1823 	dbri->pipes[pipe].desc = dbri->next_desc[rd];  in reception_complete_intr()
1824 	status = dbri->dma->desc[rd].word1;  in reception_complete_intr()
1825 	dbri->dma->desc[rd].word1 = 0;	/* Reset it for next time. */  in reception_complete_intr()
1827 	info = &dbri->stream_info[DBRI_REC];  in reception_complete_intr()
1836 	spin_unlock(&dbri->lock);  in reception_complete_intr()
1838 	spin_lock(&dbri->lock);  in reception_complete_intr()
1841 static void dbri_process_one_interrupt(struct snd_dbri *dbri, int x)  in dbri_process_one_interrupt()  argument
1865 		reception_complete_intr(dbri, channel);  in dbri_process_one_interrupt()
1869 		transmission_complete_intr(dbri, channel);  in dbri_process_one_interrupt()
1881 			int td = dbri->pipes[pipe].desc;  in dbri_process_one_interrupt()
1883 			dbri->dma->desc[td].word4 = 0;  in dbri_process_one_interrupt()
1884 			cmd = dbri_cmdlock(dbri, NoGetLock);  in dbri_process_one_interrupt()
1886 					    dbri->pipes[pipe].sdp  in dbri_process_one_interrupt()
1888 			*(cmd++) = dbri->dma_dvma + dbri_dma_off(desc, td);  in dbri_process_one_interrupt()
1889 			dbri_cmdsend(dbri, cmd);  in dbri_process_one_interrupt()
1895 		if (dbri->pipes[channel].sdp & D_SDP_MSB)  in dbri_process_one_interrupt()
1896 			val = reverse_bytes(val, dbri->pipes[channel].length);  in dbri_process_one_interrupt()
1898 		if (dbri->pipes[channel].recv_fixed_ptr)  in dbri_process_one_interrupt()
1899 			*(dbri->pipes[channel].recv_fixed_ptr) = val;  in dbri_process_one_interrupt()
1913 static void dbri_process_interrupt_buffer(struct snd_dbri *dbri)  in dbri_process_interrupt_buffer()  argument
1917 	while ((x = dbri->dma->intr[dbri->dbri_irqp]) != 0) {  in dbri_process_interrupt_buffer()
1918 		dbri->dma->intr[dbri->dbri_irqp] = 0;  in dbri_process_interrupt_buffer()
1919 		dbri->dbri_irqp++;  in dbri_process_interrupt_buffer()
1920 		if (dbri->dbri_irqp == DBRI_INT_BLK)  in dbri_process_interrupt_buffer()
1921 			dbri->dbri_irqp = 1;  in dbri_process_interrupt_buffer()
1923 		dbri_process_one_interrupt(dbri, x);  in dbri_process_interrupt_buffer()
1929 	struct snd_dbri *dbri = dev_id;  in snd_dbri_interrupt()  local
1933 	if (dbri == NULL)  in snd_dbri_interrupt()
1935 	spin_lock(&dbri->lock);  in snd_dbri_interrupt()
1940 	x = sbus_readl(dbri->regs + REG1);  in snd_dbri_interrupt()
1970 			dbri_reset(dbri);  in snd_dbri_interrupt()
1972 			tmp = sbus_readl(dbri->regs + REG0);  in snd_dbri_interrupt()
1974 			sbus_writel(tmp, dbri->regs + REG0);  in snd_dbri_interrupt()
1978 	dbri_process_interrupt_buffer(dbri);  in snd_dbri_interrupt()
1980 	spin_unlock(&dbri->lock);  in snd_dbri_interrupt()
2046 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_open()  local
2048 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_open()
2054 	spin_lock_irqsave(&dbri->lock, flags);  in snd_dbri_open()
2059 	spin_unlock_irqrestore(&dbri->lock, flags);  in snd_dbri_open()
2069 	cs4215_open(dbri);  in snd_dbri_open()
2076 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_close()  local
2077 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_close()
2090 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_hw_params()  local
2091 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_hw_params()
2096 	ret = cs4215_prepare(dbri, params_rate(hw_params),  in snd_dbri_hw_params()
2111 			dma_map_single(&dbri->op->dev,  in snd_dbri_hw_params()
2125 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_hw_free()  local
2126 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_hw_free()
2139 		dma_unmap_single(&dbri->op->dev, info->dvma_buffer,  in snd_dbri_hw_free()
2144 		reset_pipe(dbri, info->pipe);  in snd_dbri_hw_free()
2153 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_prepare()  local
2154 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_prepare()
2163 	spin_lock_irq(&dbri->lock);  in snd_dbri_prepare()
2169 	ret = setup_descs(dbri, DBRI_STREAMNO(substream),  in snd_dbri_prepare()
2172 	spin_unlock_irq(&dbri->lock);  in snd_dbri_prepare()
2180 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_trigger()  local
2181 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_trigger()
2189 		xmit_descs(dbri);  in snd_dbri_trigger()
2193 		reset_pipe(dbri, info->pipe);  in snd_dbri_trigger()
2204 	struct snd_dbri *dbri = snd_pcm_substream_chip(substream);  in snd_dbri_pointer()  local
2205 	struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);  in snd_dbri_pointer()
2269 	struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);  in snd_cs4215_get_volume()  local
2272 	if (snd_BUG_ON(!dbri))  in snd_cs4215_get_volume()
2274 	info = &dbri->stream_info[kcontrol->private_value];  in snd_cs4215_get_volume()
2284 	struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);  in snd_cs4215_put_volume()  local
2286 				&dbri->stream_info[kcontrol->private_value];  in snd_cs4215_put_volume()
2312 		cs4215_setdata(dbri, 1);  in snd_cs4215_put_volume()
2314 		cs4215_setdata(dbri, 0);  in snd_cs4215_put_volume()
2335 	struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);  in snd_cs4215_get_single()  local
2341 	if (snd_BUG_ON(!dbri))  in snd_cs4215_get_single()
2346 		    (dbri->mm.data[elem] >> shift) & mask;  in snd_cs4215_get_single()
2349 		    (dbri->mm.ctrl[elem - 4] >> shift) & mask;  in snd_cs4215_get_single()
2360 	struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);  in snd_cs4215_put_single()  local
2368 	if (snd_BUG_ON(!dbri))  in snd_cs4215_put_single()
2377 		dbri->mm.data[elem] = (dbri->mm.data[elem] &  in snd_cs4215_put_single()
2379 		changed = (val != dbri->mm.data[elem]);  in snd_cs4215_put_single()
2381 		dbri->mm.ctrl[elem - 4] = (dbri->mm.ctrl[elem - 4] &  in snd_cs4215_put_single()
2383 		changed = (val != dbri->mm.ctrl[elem - 4]);  in snd_cs4215_put_single()
2389 		dbri->mm.data[elem & 3]);  in snd_cs4215_put_single()
2395 		cs4215_setdata(dbri, 1);  in snd_cs4215_put_single()
2397 		cs4215_setdata(dbri, 0);  in snd_cs4215_put_single()
2443 	struct snd_dbri *dbri;  in snd_dbri_mixer()  local
2447 	dbri = card->private_data;  in snd_dbri_mixer()
2453 				snd_ctl_new1(&dbri_controls[idx], dbri));  in snd_dbri_mixer()
2459 		dbri->stream_info[idx].left_gain = 0;  in snd_dbri_mixer()
2460 		dbri->stream_info[idx].right_gain = 0;  in snd_dbri_mixer()
2472 	struct snd_dbri *dbri = entry->private_data;  in dbri_regs_read()  local
2474 	snd_iprintf(buffer, "REG0: 0x%x\n", sbus_readl(dbri->regs + REG0));  in dbri_regs_read()
2475 	snd_iprintf(buffer, "REG2: 0x%x\n", sbus_readl(dbri->regs + REG2));  in dbri_regs_read()
2476 	snd_iprintf(buffer, "REG8: 0x%x\n", sbus_readl(dbri->regs + REG8));  in dbri_regs_read()
2477 	snd_iprintf(buffer, "REG9: 0x%x\n", sbus_readl(dbri->regs + REG9));  in dbri_regs_read()
2484 	struct snd_dbri *dbri = entry->private_data;  in dbri_debug_read()  local
2489 		if (pipe_active(dbri, pipe)) {  in dbri_debug_read()
2490 			struct dbri_pipe *pptr = &dbri->pipes[pipe];  in dbri_debug_read()
2506 	struct snd_dbri *dbri = card->private_data;  in snd_dbri_proc()  local
2508 	snd_card_ro_proc_new(card, "regs", dbri, dbri_regs_read);  in snd_dbri_proc()
2510 	snd_card_ro_proc_new(card, "debug", dbri, dbri_debug_read);  in snd_dbri_proc()
2519 static void snd_dbri_free(struct snd_dbri *dbri);
2525 	struct snd_dbri *dbri = card->private_data;  in snd_dbri_create()  local
2528 	spin_lock_init(&dbri->lock);  in snd_dbri_create()
2529 	dbri->op = op;  in snd_dbri_create()
2530 	dbri->irq = irq;  in snd_dbri_create()
2532 	dbri->dma = dma_alloc_coherent(&op->dev, sizeof(struct dbri_dma),  in snd_dbri_create()
2533 				       &dbri->dma_dvma, GFP_KERNEL);  in snd_dbri_create()
2534 	if (!dbri->dma)  in snd_dbri_create()
2538 		dbri->dma, dbri->dma_dvma);  in snd_dbri_create()
2541 	dbri->regs_size = resource_size(&op->resource[0]);  in snd_dbri_create()
2542 	dbri->regs = of_ioremap(&op->resource[0], 0,  in snd_dbri_create()
2543 				dbri->regs_size, "DBRI Registers");  in snd_dbri_create()
2544 	if (!dbri->regs) {  in snd_dbri_create()
2547 				  (void *)dbri->dma, dbri->dma_dvma);  in snd_dbri_create()
2551 	err = request_irq(dbri->irq, snd_dbri_interrupt, IRQF_SHARED,  in snd_dbri_create()
2552 			  "DBRI audio", dbri);  in snd_dbri_create()
2554 		printk(KERN_ERR "DBRI: Can't get irq %d\n", dbri->irq);  in snd_dbri_create()
2555 		of_iounmap(&op->resource[0], dbri->regs, dbri->regs_size);  in snd_dbri_create()
2557 				  (void *)dbri->dma, dbri->dma_dvma);  in snd_dbri_create()
2562 	dbri_initialize(dbri);  in snd_dbri_create()
2563 	err = cs4215_init(dbri);  in snd_dbri_create()
2565 		snd_dbri_free(dbri);  in snd_dbri_create()
2572 static void snd_dbri_free(struct snd_dbri *dbri)  in snd_dbri_free()  argument
2575 	dbri_reset(dbri);  in snd_dbri_free()
2577 	if (dbri->irq)  in snd_dbri_free()
2578 		free_irq(dbri->irq, dbri);  in snd_dbri_free()
2580 	if (dbri->regs)  in snd_dbri_free()
2581 		of_iounmap(&dbri->op->resource[0], dbri->regs, dbri->regs_size);  in snd_dbri_free()
2583 	if (dbri->dma)  in snd_dbri_free()
2584 		dma_free_coherent(&dbri->op->dev,  in snd_dbri_free()
2586 				  (void *)dbri->dma, dbri->dma_dvma);  in snd_dbri_free()
2591 	struct snd_dbri *dbri;  in dbri_probe()  local
2629 	dbri = card->private_data;  in dbri_probe()
2647 	       dev, dbri->regs,  in dbri_probe()
2648 	       dbri->irq, op->dev.of_node->name[9], dbri->mm.version);  in dbri_probe()
2654 	snd_dbri_free(dbri);  in dbri_probe()