[alsa-devel] fsl_ssi.c: Getting channel slips with fsl_ssi.c in TDM (network) mode.
Nicolin Chen
nicoleotsuka at gmail.com
Thu Oct 29 19:36:19 CET 2015
On Thu, Oct 29, 2015 at 08:54:00AM -0700, Caleb Crome wrote:
> The 35 and 36 are for Dual fifo mode only, and no current system (with
> fsl_ssi.c anyway) uses dual fifo mode. How do I know? Because the
> it's definitely broken in the fsl_ssi.c. I was just about to report
> that bug.
Broken? Where? The reason why there's no current system using that
is because there is no SDMA patch to upload a newer version of the
SDMA firmware which is always included in the Freescale official
release. Yes, you saw that patch in the beginning of this thread.
For SDMA DT binding, number 22 is the configurations of Dual FIFO
script but it would break most of the upstream users as upstream
Kernels running with a default ROM firmware don't have that script.
If you want to use Dual FIFO mode with upstream Kernels, apply the
change I provided you in my previous reply along with these two:
commit 2490a94afbcb139f68f7872e5645d66b99720a52
Author: Shawn Guo <shawn.guo at freescale.com>
Date: Tue Jul 16 22:53:18 2013 +0800
ENGR00269945: firwmare: imx: add imx6q sdma script
Add imx6q sdma script which will be used by all i.MX6 series.
Signed-off-by: Shawn Guo <shawn.guo at freescale.com>
diff --git a/firmware/Makefile b/firmware/Makefile
index e297e1b..7b22ab3 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -61,6 +61,7 @@ fw-shipped-$(CONFIG_DRM_RADEON) += radeon/R100_cp.bin radeon/R200_cp.bin \
radeon/RV770_pfp.bin radeon/RV770_me.bin \
radeon/RV730_pfp.bin radeon/RV730_me.bin \
radeon/RV710_pfp.bin radeon/RV710_me.bin
+fw-shipped-$(CONFIG_IMX_SDMA) += imx/sdma/sdma-imx6q.bin
fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin
fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \
diff --git a/firmware/imx/sdma/sdma-imx6q.bin.ihex b/firmware/imx/sdma/sdma-imx6q.bin.ihex
new file mode 100644
index 0000000..2e561f0
--- /dev/null
+++ b/firmware/imx/sdma/sdma-imx6q.bin.ihex
@@ -0,0 +1,116 @@
+:1000000053444D4101000000010000001C000000AD
+:1000100026000000B40000007A0600008202000002
+:10002000FFFFFFFF00000000FFFFFFFFFFFFFFFFDC
+:10003000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD0
+:10004000FFFFFFFFFFFFFFFF6A1A0000FFFFFFFF38
+:10005000EB020000BB180000FFFFFFFF08040000D8
+:10006000FFFFFFFFC0030000FFFFFFFFFFFFFFFFD9
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+:10009000FFFFFFFF00180000FFFFFFFFFFFFFFFF54
+:1000A000000000000018000062180000161A00008E
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+:10071000DD6F087FD169010FC86FDD6F037F0101B5
+:0E0720000004129B0700FF680C680002129B89
+:00000001FF
commit 870291e6b0019ff0a9a135f2641c7801b36a80ef
Author: Nicolin Chen <nicoleotsuka at gmail.com>
Date: Thu Sep 4 21:42:35 2014 -0700
firmware: imx: sdma v2
In the upstream kernel, i.MX6 series uses SDMA firmware V2. However,
we actually don't have a strict version control internally. So this
patch just simply hacks the firmware to change the version number to
V2.
Signed-off-by: Nicolin Chen <nicoleotsuka at gmail.com>
diff --git a/firmware/imx/sdma/sdma-imx6q.bin.ihex b/firmware/imx/sdma/sdma-imx6q.bin.ihex
index 2e561f0..ceb114b 100644
--- a/firmware/imx/sdma/sdma-imx6q.bin.ihex
+++ b/firmware/imx/sdma/sdma-imx6q.bin.ihex
@@ -1,4 +1,4 @@
-:1000000053444D4101000000010000001C000000AD
+:1000000053444D4102000000010000001C000000AC
:1000100026000000B40000007A0600008202000002
:10002000FFFFFFFF00000000FFFFFFFFFFFFFFFFDC
:10003000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD0
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