Staging: HTC Dream: add qdsp support

QDSP code is neccessarry for communication with some hardware
components on HTC Dream, including camera hardware. It also drives DSP
coproccessor.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Cc: Brian Swetland <swetland@google.com>
Cc: Iliyan Malchev <ibm@android.com>
Cc: San Mehat <san@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 54 insertions, 0 deletions

diff --git a/drivers/staging/dream/qdsp5/adsp_vfe_patch_event.c b/drivers/staging/dream/qdsp5/adsp_vfe_patch_event.c
new file mode 100644
index 0000000..a56392b
--- /dev/null
+++ b/drivers/staging/dream/qdsp5/adsp_vfe_patch_event.c
@@ -0,0 +1,54 @@
+/* arch/arm/mach-msm/qdsp5/adsp_vfe_patch_event.c
+ *
+ * Verification code for aDSP VFE packets from userspace.
+ *
+ * Copyright (c) 2008 QUALCOMM Incorporated
+ * Copyright (C) 2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <mach/qdsp5/qdsp5vfemsg.h>
+#include "adsp.h"
+
+static int patch_op_event(struct msm_adsp_module *module,
+				struct adsp_event *event)
+{
+	vfe_msg_op1 *op = (vfe_msg_op1 *)event->data.msg16;
+	if (adsp_pmem_paddr_fixup(module, (void **)&op->op1_buf_y_addr) ||
+	    adsp_pmem_paddr_fixup(module, (void **)&op->op1_buf_cbcr_addr))
+		return -1;
+	return 0;
+}
+
+static int patch_af_wb_event(struct msm_adsp_module *module,
+				struct adsp_event *event)
+{
+	vfe_msg_stats_wb_exp *af = (vfe_msg_stats_wb_exp *)event->data.msg16;
+	return adsp_pmem_paddr_fixup(module, (void **)&af->wb_exp_stats_op_buf);
+}
+
+int adsp_vfe_patch_event(struct msm_adsp_module *module,
+			struct adsp_event *event)
+{
+	switch(event->msg_id) {
+	case VFE_MSG_OP1:
+	case VFE_MSG_OP2:
+		return patch_op_event(module, event);
+	case VFE_MSG_STATS_AF:
+	case VFE_MSG_STATS_WB_EXP:
+		return patch_af_wb_event(module, event);
+	default:
+		break;
+	}
+
+	return 0;
+}