summaryrefslogtreecommitdiff
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/omap/mcbsp.c2
-rw-r--r--sound/soc/omap/mcbsp.h292
-rw-r--r--sound/soc/omap/omap-mcbsp.c10
3 files changed, 304 insertions, 0 deletions
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 36d83b0c9f02..20d46bf3626b 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -28,6 +28,8 @@
#include <plat/mcbsp.h>
#include <linux/pm_runtime.h>
+#include "mcbsp.h"
+
struct omap_mcbsp **mcbsp_ptr;
int omap_mcbsp_count;
diff --git a/sound/soc/omap/mcbsp.h b/sound/soc/omap/mcbsp.h
new file mode 100644
index 000000000000..5590ab271eec
--- /dev/null
+++ b/sound/soc/omap/mcbsp.h
@@ -0,0 +1,292 @@
+/*
+ * sound/soc/omap/mcbsp.h
+ *
+ * OMAP Multi-Channel Buffered Serial Port
+ *
+ * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
+ * Peter Ujfalusi <peter.ujfalusi@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef __ASOC_MCBSP_H
+#define __ASOC_MCBSP_H
+
+/* McBSP register numbers. Register address offset = num * reg_step */
+enum {
+ /* Common registers */
+ OMAP_MCBSP_REG_SPCR2 = 4,
+ OMAP_MCBSP_REG_SPCR1,
+ OMAP_MCBSP_REG_RCR2,
+ OMAP_MCBSP_REG_RCR1,
+ OMAP_MCBSP_REG_XCR2,
+ OMAP_MCBSP_REG_XCR1,
+ OMAP_MCBSP_REG_SRGR2,
+ OMAP_MCBSP_REG_SRGR1,
+ OMAP_MCBSP_REG_MCR2,
+ OMAP_MCBSP_REG_MCR1,
+ OMAP_MCBSP_REG_RCERA,
+ OMAP_MCBSP_REG_RCERB,
+ OMAP_MCBSP_REG_XCERA,
+ OMAP_MCBSP_REG_XCERB,
+ OMAP_MCBSP_REG_PCR0,
+ OMAP_MCBSP_REG_RCERC,
+ OMAP_MCBSP_REG_RCERD,
+ OMAP_MCBSP_REG_XCERC,
+ OMAP_MCBSP_REG_XCERD,
+ OMAP_MCBSP_REG_RCERE,
+ OMAP_MCBSP_REG_RCERF,
+ OMAP_MCBSP_REG_XCERE,
+ OMAP_MCBSP_REG_XCERF,
+ OMAP_MCBSP_REG_RCERG,
+ OMAP_MCBSP_REG_RCERH,
+ OMAP_MCBSP_REG_XCERG,
+ OMAP_MCBSP_REG_XCERH,
+
+ /* OMAP1-OMAP2420 registers */
+ OMAP_MCBSP_REG_DRR2 = 0,
+ OMAP_MCBSP_REG_DRR1,
+ OMAP_MCBSP_REG_DXR2,
+ OMAP_MCBSP_REG_DXR1,
+
+ /* OMAP2430 and onwards */
+ OMAP_MCBSP_REG_DRR = 0,
+ OMAP_MCBSP_REG_DXR = 2,
+ OMAP_MCBSP_REG_SYSCON = 35,
+ OMAP_MCBSP_REG_THRSH2,
+ OMAP_MCBSP_REG_THRSH1,
+ OMAP_MCBSP_REG_IRQST = 40,
+ OMAP_MCBSP_REG_IRQEN,
+ OMAP_MCBSP_REG_WAKEUPEN,
+ OMAP_MCBSP_REG_XCCR,
+ OMAP_MCBSP_REG_RCCR,
+ OMAP_MCBSP_REG_XBUFFSTAT,
+ OMAP_MCBSP_REG_RBUFFSTAT,
+ OMAP_MCBSP_REG_SSELCR,
+};
+
+/* OMAP3 sidetone control registers */
+#define OMAP_ST_REG_REV 0x00
+#define OMAP_ST_REG_SYSCONFIG 0x10
+#define OMAP_ST_REG_IRQSTATUS 0x18
+#define OMAP_ST_REG_IRQENABLE 0x1C
+#define OMAP_ST_REG_SGAINCR 0x24
+#define OMAP_ST_REG_SFIRCR 0x28
+#define OMAP_ST_REG_SSELCR 0x2C
+
+/************************** McBSP SPCR1 bit definitions ***********************/
+#define RRST 0x0001
+#define RRDY 0x0002
+#define RFULL 0x0004
+#define RSYNC_ERR 0x0008
+#define RINTM(value) ((value)<<4) /* bits 4:5 */
+#define ABIS 0x0040
+#define DXENA 0x0080
+#define CLKSTP(value) ((value)<<11) /* bits 11:12 */
+#define RJUST(value) ((value)<<13) /* bits 13:14 */
+#define ALB 0x8000
+#define DLB 0x8000
+
+/************************** McBSP SPCR2 bit definitions ***********************/
+#define XRST 0x0001
+#define XRDY 0x0002
+#define XEMPTY 0x0004
+#define XSYNC_ERR 0x0008
+#define XINTM(value) ((value)<<4) /* bits 4:5 */
+#define GRST 0x0040
+#define FRST 0x0080
+#define SOFT 0x0100
+#define FREE 0x0200
+
+/************************** McBSP PCR bit definitions *************************/
+#define CLKRP 0x0001
+#define CLKXP 0x0002
+#define FSRP 0x0004
+#define FSXP 0x0008
+#define DR_STAT 0x0010
+#define DX_STAT 0x0020
+#define CLKS_STAT 0x0040
+#define SCLKME 0x0080
+#define CLKRM 0x0100
+#define CLKXM 0x0200
+#define FSRM 0x0400
+#define FSXM 0x0800
+#define RIOEN 0x1000
+#define XIOEN 0x2000
+#define IDLE_EN 0x4000
+
+/************************** McBSP RCR1 bit definitions ************************/
+#define RWDLEN1(value) ((value)<<5) /* Bits 5:7 */
+#define RFRLEN1(value) ((value)<<8) /* Bits 8:14 */
+
+/************************** McBSP XCR1 bit definitions ************************/
+#define XWDLEN1(value) ((value)<<5) /* Bits 5:7 */
+#define XFRLEN1(value) ((value)<<8) /* Bits 8:14 */
+
+/*************************** McBSP RCR2 bit definitions ***********************/
+#define RDATDLY(value) (value) /* Bits 0:1 */
+#define RFIG 0x0004
+#define RCOMPAND(value) ((value)<<3) /* Bits 3:4 */
+#define RWDLEN2(value) ((value)<<5) /* Bits 5:7 */
+#define RFRLEN2(value) ((value)<<8) /* Bits 8:14 */
+#define RPHASE 0x8000
+
+/*************************** McBSP XCR2 bit definitions ***********************/
+#define XDATDLY(value) (value) /* Bits 0:1 */
+#define XFIG 0x0004
+#define XCOMPAND(value) ((value)<<3) /* Bits 3:4 */
+#define XWDLEN2(value) ((value)<<5) /* Bits 5:7 */
+#define XFRLEN2(value) ((value)<<8) /* Bits 8:14 */
+#define XPHASE 0x8000
+
+/************************* McBSP SRGR1 bit definitions ************************/
+#define CLKGDV(value) (value) /* Bits 0:7 */
+#define FWID(value) ((value)<<8) /* Bits 8:15 */
+
+/************************* McBSP SRGR2 bit definitions ************************/
+#define FPER(value) (value) /* Bits 0:11 */
+#define FSGM 0x1000
+#define CLKSM 0x2000
+#define CLKSP 0x4000
+#define GSYNC 0x8000
+
+/************************* McBSP MCR1 bit definitions *************************/
+#define RMCM 0x0001
+#define RCBLK(value) ((value)<<2) /* Bits 2:4 */
+#define RPABLK(value) ((value)<<5) /* Bits 5:6 */
+#define RPBBLK(value) ((value)<<7) /* Bits 7:8 */
+
+/************************* McBSP MCR2 bit definitions *************************/
+#define XMCM(value) (value) /* Bits 0:1 */
+#define XCBLK(value) ((value)<<2) /* Bits 2:4 */
+#define XPABLK(value) ((value)<<5) /* Bits 5:6 */
+#define XPBBLK(value) ((value)<<7) /* Bits 7:8 */
+
+/*********************** McBSP XCCR bit definitions *************************/
+#define EXTCLKGATE 0x8000
+#define PPCONNECT 0x4000
+#define DXENDLY(value) ((value)<<12) /* Bits 12:13 */
+#define XFULL_CYCLE 0x0800
+#define DILB 0x0020
+#define XDMAEN 0x0008
+#define XDISABLE 0x0001
+
+/********************** McBSP RCCR bit definitions *************************/
+#define RFULL_CYCLE 0x0800
+#define RDMAEN 0x0008
+#define RDISABLE 0x0001
+
+/********************** McBSP SYSCONFIG bit definitions ********************/
+#define CLOCKACTIVITY(value) ((value)<<8)
+#define SIDLEMODE(value) ((value)<<3)
+#define ENAWAKEUP 0x0004
+#define SOFTRST 0x0002
+
+/********************** McBSP SSELCR bit definitions ***********************/
+#define SIDETONEEN 0x0400
+
+/********************** McBSP Sidetone SYSCONFIG bit definitions ***********/
+#define ST_AUTOIDLE 0x0001
+
+/********************** McBSP Sidetone SGAINCR bit definitions *************/
+#define ST_CH1GAIN(value) ((value<<16)) /* Bits 16:31 */
+#define ST_CH0GAIN(value) (value) /* Bits 0:15 */
+
+/********************** McBSP Sidetone SFIRCR bit definitions **************/
+#define ST_FIRCOEFF(value) (value) /* Bits 0:15 */
+
+/********************** McBSP Sidetone SSELCR bit definitions **************/
+#define ST_COEFFWRDONE 0x0004
+#define ST_COEFFWREN 0x0002
+#define ST_SIDETONEEN 0x0001
+
+/********************** McBSP DMA operating modes **************************/
+#define MCBSP_DMA_MODE_ELEMENT 0
+#define MCBSP_DMA_MODE_THRESHOLD 1
+#define MCBSP_DMA_MODE_FRAME 2
+
+/********************** McBSP WAKEUPEN bit definitions *********************/
+#define XEMPTYEOFEN 0x4000
+#define XRDYEN 0x0400
+#define XEOFEN 0x0200
+#define XFSXEN 0x0100
+#define XSYNCERREN 0x0080
+#define RRDYEN 0x0008
+#define REOFEN 0x0004
+#define RFSREN 0x0002
+#define RSYNCERREN 0x0001
+
+/* we don't do multichannel for now */
+struct omap_mcbsp_reg_cfg {
+ u16 spcr2;
+ u16 spcr1;
+ u16 rcr2;
+ u16 rcr1;
+ u16 xcr2;
+ u16 xcr1;
+ u16 srgr2;
+ u16 srgr1;
+ u16 mcr2;
+ u16 mcr1;
+ u16 pcr0;
+ u16 rcerc;
+ u16 rcerd;
+ u16 xcerc;
+ u16 xcerd;
+ u16 rcere;
+ u16 rcerf;
+ u16 xcere;
+ u16 xcerf;
+ u16 rcerg;
+ u16 rcerh;
+ u16 xcerg;
+ u16 xcerh;
+ u16 xccr;
+ u16 rccr;
+};
+
+void omap_mcbsp_config(unsigned int id,
+ const struct omap_mcbsp_reg_cfg *config);
+void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
+void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
+u16 omap_mcbsp_get_max_tx_threshold(unsigned int id);
+u16 omap_mcbsp_get_max_rx_threshold(unsigned int id);
+u16 omap_mcbsp_get_fifo_size(unsigned int id);
+u16 omap_mcbsp_get_tx_delay(unsigned int id);
+u16 omap_mcbsp_get_rx_delay(unsigned int id);
+int omap_mcbsp_get_dma_op_mode(unsigned int id);
+int omap_mcbsp_request(unsigned int id);
+void omap_mcbsp_free(unsigned int id);
+void omap_mcbsp_start(unsigned int id, int tx, int rx);
+void omap_mcbsp_stop(unsigned int id, int tx, int rx);
+
+/* McBSP functional clock source changing function */
+int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id);
+
+/* McBSP signal muxing API */
+void omap2_mcbsp1_mux_clkr_src(u8 mux);
+void omap2_mcbsp1_mux_fsr_src(u8 mux);
+
+int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream);
+int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream);
+
+/* Sidetone specific API */
+int omap_st_set_chgain(unsigned int id, int channel, s16 chgain);
+int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain);
+int omap_st_enable(unsigned int id);
+int omap_st_disable(unsigned int id);
+int omap_st_is_enabled(unsigned int id);
+
+#endif /* __ASOC_MCBSP_H */
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 1287b870f221..f1318c1d4e15 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -33,6 +33,7 @@
#include <plat/dma.h>
#include <plat/mcbsp.h>
+#include "mcbsp.h"
#include "omap-mcbsp.h"
#include "omap-pcm.h"
@@ -46,6 +47,15 @@
.private_value = (unsigned long) &(struct soc_mixer_control) \
{.min = xmin, .max = xmax} }
+enum {
+ OMAP_MCBSP_WORD_8 = 0,
+ OMAP_MCBSP_WORD_12,
+ OMAP_MCBSP_WORD_16,
+ OMAP_MCBSP_WORD_20,
+ OMAP_MCBSP_WORD_24,
+ OMAP_MCBSP_WORD_32,
+};
+
struct omap_mcbsp_data {
unsigned int bus_id;
struct omap_mcbsp_reg_cfg regs;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 17:01:49 +0000