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authorJorge Eduardo Candelaria <jorge.candelaria@ti.com>2010-05-12 13:18:40 -0400
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-05-14 06:20:08 -0400
commit752ec2f2d97da34abffa1abff81c96183a895b28 (patch)
treecd28de5e3b1894cb1cd2e9ab10cb21185de34952 /arch/arm/plat-omap/mcbsp.c
parent9319b9da35179e11aa9c15d80062d63b36a0517f (diff)
ARM: McBSP: Add support for omap4 in McBSP driver
McBSP module in OMAP4 needs to be able to set its tx/rx threshold and enable the transmitter/receiver when starting an audio stream. Signed-off-by: Jorge Eduardo Candelaria <jorge.candelaria@ti.com> Signed-off-by: Margarita Olaya Cabrera <magi.olaya@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'arch/arm/plat-omap/mcbsp.c')
-rw-r--r--arch/arm/plat-omap/mcbsp.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 8bbbb93e2128..4820cabadce4 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -488,7 +488,7 @@ void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
488{ 488{
489 struct omap_mcbsp *mcbsp; 489 struct omap_mcbsp *mcbsp;
490 490
491 if (!cpu_is_omap34xx()) 491 if (!cpu_is_omap34xx() && !cpu_is_omap44xx())
492 return; 492 return;
493 493
494 if (!omap_mcbsp_check_valid_id(id)) { 494 if (!omap_mcbsp_check_valid_id(id)) {
@@ -510,7 +510,7 @@ void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
510{ 510{
511 struct omap_mcbsp *mcbsp; 511 struct omap_mcbsp *mcbsp;
512 512
513 if (!cpu_is_omap34xx()) 513 if (!cpu_is_omap34xx() && !cpu_is_omap44xx())
514 return; 514 return;
515 515
516 if (!omap_mcbsp_check_valid_id(id)) { 516 if (!omap_mcbsp_check_valid_id(id)) {
@@ -641,7 +641,7 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
641 * Enable wakup behavior, smart idle and all wakeups 641 * Enable wakup behavior, smart idle and all wakeups
642 * REVISIT: some wakeups may be unnecessary 642 * REVISIT: some wakeups may be unnecessary
643 */ 643 */
644 if (cpu_is_omap34xx()) { 644 if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
645 u16 syscon; 645 u16 syscon;
646 646
647 syscon = MCBSP_READ(mcbsp, SYSCON); 647 syscon = MCBSP_READ(mcbsp, SYSCON);
@@ -664,7 +664,7 @@ static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp)
664 /* 664 /*
665 * Disable wakup behavior, smart idle and all wakeups 665 * Disable wakup behavior, smart idle and all wakeups
666 */ 666 */
667 if (cpu_is_omap34xx()) { 667 if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
668 u16 syscon; 668 u16 syscon;
669 669
670 syscon = MCBSP_READ(mcbsp, SYSCON); 670 syscon = MCBSP_READ(mcbsp, SYSCON);
@@ -913,7 +913,7 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
913 MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 7)); 913 MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 7));
914 } 914 }
915 915
916 if (cpu_is_omap2430() || cpu_is_omap34xx()) { 916 if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
917 /* Release the transmitter and receiver */ 917 /* Release the transmitter and receiver */
918 w = MCBSP_READ_CACHE(mcbsp, XCCR); 918 w = MCBSP_READ_CACHE(mcbsp, XCCR);
919 w &= ~(tx ? XDISABLE : 0); 919 w &= ~(tx ? XDISABLE : 0);
@@ -943,7 +943,7 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx)
943 943
944 /* Reset transmitter */ 944 /* Reset transmitter */
945 tx &= 1; 945 tx &= 1;
946 if (cpu_is_omap2430() || cpu_is_omap34xx()) { 946 if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
947 w = MCBSP_READ_CACHE(mcbsp, XCCR); 947 w = MCBSP_READ_CACHE(mcbsp, XCCR);
948 w |= (tx ? XDISABLE : 0); 948 w |= (tx ? XDISABLE : 0);
949 MCBSP_WRITE(mcbsp, XCCR, w); 949 MCBSP_WRITE(mcbsp, XCCR, w);
@@ -953,7 +953,7 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx)
953 953
954 /* Reset receiver */ 954 /* Reset receiver */
955 rx &= 1; 955 rx &= 1;
956 if (cpu_is_omap2430() || cpu_is_omap34xx()) { 956 if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
957 w = MCBSP_READ_CACHE(mcbsp, RCCR); 957 w = MCBSP_READ_CACHE(mcbsp, RCCR);
958 w |= (rx ? RDISABLE : 0); 958 w |= (rx ? RDISABLE : 0);
959 MCBSP_WRITE(mcbsp, RCCR, w); 959 MCBSP_WRITE(mcbsp, RCCR, w);