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authorGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 09:44:56 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 09:44:56 -0700
commite4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7 (patch)
treeea51b391f7d74ca695dcb9f5e46eb02688a92ed9 /arch/arm/mach-omap2
parent81280572ca6f54009edfa4deee563e8678784218 (diff)
parenta4ac0d847af9dd34d5953a5e264400326144b6b2 (diff)
Merge 'staging-next' to Linus's tree
This merges the staging-next tree to Linus's tree and resolves some conflicts that were present due to changes in other trees that were affected by files here. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/Makefile4
-rw-r--r--arch/arm/mach-omap2/dsp.c85
2 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 7352412e491..60e51bcf53b 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -108,6 +108,10 @@ obj-y += $(iommu-m) $(iommu-y)
i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o
obj-y += $(i2c-omap-m) $(i2c-omap-y)
+ifneq ($(CONFIG_TIDSPBRIDGE),)
+obj-y += dsp.o
+endif
+
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c
new file mode 100644
index 00000000000..6feeeae6c21
--- /dev/null
+++ b/arch/arm/mach-omap2/dsp.c
@@ -0,0 +1,85 @@
+/*
+ * TI's OMAP DSP platform device registration
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include "prm.h"
+#include "cm.h"
+#ifdef CONFIG_BRIDGE_DVFS
+#include <plat/omap-pm.h>
+#endif
+
+#include <plat/dsp.h>
+
+extern phys_addr_t omap_dsp_get_mempool_base(void);
+
+static struct platform_device *omap_dsp_pdev;
+
+static struct omap_dsp_platform_data omap_dsp_pdata __initdata = {
+#ifdef CONFIG_BRIDGE_DVFS
+ .dsp_set_min_opp = omap_pm_dsp_set_min_opp,
+ .dsp_get_opp = omap_pm_dsp_get_opp,
+ .cpu_set_freq = omap_pm_cpu_set_freq,
+ .cpu_get_freq = omap_pm_cpu_get_freq,
+#endif
+ .dsp_prm_read = prm_read_mod_reg,
+ .dsp_prm_write = prm_write_mod_reg,
+ .dsp_prm_rmw_bits = prm_rmw_mod_reg_bits,
+ .dsp_cm_read = cm_read_mod_reg,
+ .dsp_cm_write = cm_write_mod_reg,
+ .dsp_cm_rmw_bits = cm_rmw_mod_reg_bits,
+};
+
+static int __init omap_dsp_init(void)
+{
+ struct platform_device *pdev;
+ int err = -ENOMEM;
+ struct omap_dsp_platform_data *pdata = &omap_dsp_pdata;
+
+ pdata->phys_mempool_base = omap_dsp_get_mempool_base();
+
+ if (pdata->phys_mempool_base) {
+ pdata->phys_mempool_size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
+ pr_info("%s: %x bytes @ %x\n", __func__,
+ pdata->phys_mempool_size, pdata->phys_mempool_base);
+ }
+
+ pdev = platform_device_alloc("omap-dsp", -1);
+ if (!pdev)
+ goto err_out;
+
+ err = platform_device_add_data(pdev, pdata, sizeof(*pdata));
+ if (err)
+ goto err_out;
+
+ err = platform_device_add(pdev);
+ if (err)
+ goto err_out;
+
+ omap_dsp_pdev = pdev;
+ return 0;
+
+err_out:
+ platform_device_put(pdev);
+ return err;
+}
+module_init(omap_dsp_init);
+
+static void __exit omap_dsp_exit(void)
+{
+ platform_device_unregister(omap_dsp_pdev);
+}
+module_exit(omap_dsp_exit);
+
+MODULE_AUTHOR("Hiroshi DOYU");
+MODULE_DESCRIPTION("TI's OMAP DSP platform device registration");
+MODULE_LICENSE("GPL");