cma: Add vc_cma driver to enable use of CMA

Signed-off-by: popcornmix <[email protected]>
raspberrypi · Apr 27, 2014 · 580927b · 580927b
1 parent 79c6ee6
commit 580927b
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Showing 8 changed files with 1,208 additions and 1 deletion.
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
@@ -581,6 +581,8 @@ config DEVPORT
 
 source "drivers/s390/char/Kconfig"
 
+source "drivers/char/broadcom/Kconfig"
+
 config MSM_SMD_PKT
 	bool "Enable device interface for some SMD packet ports"
 	default n

diff --git a/drivers/char/Makefile b/drivers/char/Makefile
@@ -61,3 +61,5 @@ obj-$(CONFIG_JS_RTC)		+= js-rtc.o
 js-rtc-y = rtc.o
 
 obj-$(CONFIG_TILE_SROM)		+= tile-srom.o
+
+obj-$(CONFIG_BRCM_CHAR_DRIVERS) += broadcom/
diff --git a/drivers/char/broadcom/Kconfig b/drivers/char/broadcom/Kconfig
@@ -0,0 +1,16 @@
+#
+# Broadcom char driver config
+#
+
+menuconfig BRCM_CHAR_DRIVERS
+	bool "Broadcom Char Drivers"
+	help
+	  Broadcom's char drivers
+
+config BCM_VC_CMA
+	bool "Videocore CMA"
+	depends on CMA && BRCM_CHAR_DRIVERS && BCM2708_VCHIQ
+	default n
+        help
+          Helper for videocore CMA access.
+
diff --git a/drivers/char/broadcom/Makefile b/drivers/char/broadcom/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_BCM_VC_CMA)	+= vc_cma/
diff --git a/drivers/char/broadcom/vc_cma/Makefile b/drivers/char/broadcom/vc_cma/Makefile
@@ -0,0 +1,14 @@
+ccflags-y  += -Wall -Wstrict-prototypes -Wno-trigraphs
+ccflags-y  += -Werror
+ccflags-y  += -Iinclude/linux/broadcom
+ccflags-y  += -Idrivers/misc/vc04_services
+ccflags-y  += -Idrivers/misc/vc04_services/interface/vchi
+ccflags-y  += -Idrivers/misc/vc04_services/interface/vchiq_arm
+
+ccflags-y  += -D__KERNEL__
+ccflags-y  += -D__linux__
+ccflags-y  += -Werror
+
+obj-$(CONFIG_BCM_VC_CMA) += vc-cma.o
+
+vc-cma-objs := vc_cma.o
Original file line number	Diff line number	Diff line change
Expand Up		@@ -61,3 +61,5 @@ obj-$(CONFIG_JS_RTC) += js-rtc.o
		js-rtc-y = rtc.o

		obj-$(CONFIG_TILE_SROM) += tile-srom.o

		obj-$(CONFIG_BRCM_CHAR_DRIVERS) += broadcom/