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Commit 7bf06dac authored by Brian Swetland's avatar Brian Swetland Committed by Greg Kroah-Hartman
Browse files

Staging: HTC Dream: add rpcrouter driver 



rpcrouter code is neccessarry for communication with QDSP and thus
many hardware components on HTC Dream, including camera hardware.


Cc: Brian Swetland <swetland@google.com>
Cc: Iliyan Malchev <ibm@android.com>
Cc: San Mehat <san@android.com>
Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
parent 0d8dc6b0

drivers/staging/dream/smd/Kconfig

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config MSM_SMD

	default y

	bool "MSM Shared Memory Driver (SMD)"

	help

	  Support for the shared memory interface between the apps

	  processor and the baseband processor.  Provides access to

	  the "shared heap", as well as virtual serial channels

	  used to communicate with various services on the baseband

	  processor.



config MSM_ONCRPCROUTER

	depends on MSM_SMD

	default y

	bool "MSM ONCRPC router support"

	help

	  Support for the MSM ONCRPC router for communication between

	  the ARM9 and ARM11



config MSM_RPCSERVERS

	depends on MSM_ONCRPCROUTER

	default y

	bool "Kernel side RPC server bundle"

	help

	  none

drivers/staging/dream/smd/Makefile

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obj-$(CONFIG_MSM_SMD) += smd.o smd_tty.o smd_qmi.o

obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter.o

obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter_device.o

obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter_servers.o

obj-$(CONFIG_MSM_RPCSERVERS) += rpc_server_dog_keepalive.o

obj-$(CONFIG_MSM_RPCSERVERS) += rpc_server_time_remote.o

drivers/staging/dream/smd/rpc_server_dog_keepalive.c

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/* arch/arm/mach-msm/rpc_server_dog_keepalive.c

 *

 * Copyright (C) 2007 Google, Inc.

 * Author: Iliyan Malchev <ibm@android.com>

 *

 * 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 <linux/module.h>

#include <linux/kernel.h>

#include <mach/msm_rpcrouter.h>



/* dog_keepalive server definitions */



#define DOG_KEEPALIVE_PROG 0x30000015

#if CONFIG_MSM_AMSS_VERSION==6210

#define DOG_KEEPALIVE_VERS 0

#define RPC_DOG_KEEPALIVE_BEACON 1

#elif (CONFIG_MSM_AMSS_VERSION==6220) || (CONFIG_MSM_AMSS_VERSION==6225)

#define DOG_KEEPALIVE_VERS 0x731fa727

#define RPC_DOG_KEEPALIVE_BEACON 2

#elif CONFIG_MSM_AMSS_VERSION==6350

#define DOG_KEEPALIVE_VERS 0x00010000

#define RPC_DOG_KEEPALIVE_BEACON 2

#else

#error "Unsupported AMSS version"

#endif

#define RPC_DOG_KEEPALIVE_NULL 0





/* TODO: Remove server registration with _VERS when modem is upated with _COMP*/



static int handle_rpc_call(struct msm_rpc_server *server,

			   struct rpc_request_hdr *req, unsigned len)

{

	switch (req->procedure) {

	case RPC_DOG_KEEPALIVE_NULL:

		return 0;

	case RPC_DOG_KEEPALIVE_BEACON:

		printk(KERN_INFO "DOG KEEPALIVE PING\n");

		return 0;

	default:

		return -ENODEV;

	}

}



static struct msm_rpc_server rpc_server = {

	.prog = DOG_KEEPALIVE_PROG,

	.vers = DOG_KEEPALIVE_VERS,

	.rpc_call = handle_rpc_call,

};



static int __init rpc_server_init(void)

{

	/* Dual server registration to support backwards compatibility vers */

	return msm_rpc_create_server(&rpc_server);

}





module_init(rpc_server_init);

drivers/staging/dream/smd/rpc_server_time_remote.c

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/* arch/arm/mach-msm/rpc_server_time_remote.c

 *

 * Copyright (C) 2007 Google, Inc.

 * Author: Iliyan Malchev <ibm@android.com>

 *

 * 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 <linux/module.h>

#include <linux/kernel.h>

#include <mach/msm_rpcrouter.h>



/* time_remote_mtoa server definitions. */



#define TIME_REMOTE_MTOA_PROG 0x3000005d

#if CONFIG_MSM_AMSS_VERSION==6210

#define TIME_REMOTE_MTOA_VERS 0

#elif (CONFIG_MSM_AMSS_VERSION==6220) || (CONFIG_MSM_AMSS_VERSION==6225)

#define TIME_REMOTE_MTOA_VERS 0x9202a8e4

#elif CONFIG_MSM_AMSS_VERSION==6350

#define TIME_REMOTE_MTOA_VERS 0x00010000

#else

#error "Unknown AMSS version"

#endif

#define RPC_TIME_REMOTE_MTOA_NULL   0

#define RPC_TIME_TOD_SET_APPS_BASES 2



struct rpc_time_tod_set_apps_bases_args {

	uint32_t tick;

	uint64_t stamp;

};



static int handle_rpc_call(struct msm_rpc_server *server,

			   struct rpc_request_hdr *req, unsigned len)

{

	switch (req->procedure) {

	case RPC_TIME_REMOTE_MTOA_NULL:

		return 0;



	case RPC_TIME_TOD_SET_APPS_BASES: {

		struct rpc_time_tod_set_apps_bases_args *args;

		args = (struct rpc_time_tod_set_apps_bases_args *)(req + 1);

		args->tick = be32_to_cpu(args->tick);

		args->stamp = be64_to_cpu(args->stamp);

		printk(KERN_INFO "RPC_TIME_TOD_SET_APPS_BASES:\n"

		       "\ttick = %d\n"

		       "\tstamp = %lld\n",

		       args->tick, args->stamp);

		return 0;

	}

	default:

		return -ENODEV;

	}

}



static struct msm_rpc_server rpc_server = {

	.prog = TIME_REMOTE_MTOA_PROG,

	.vers = TIME_REMOTE_MTOA_VERS,

	.rpc_call = handle_rpc_call,

};



static int __init rpc_server_init(void)

{

	/* Dual server registration to support backwards compatibility vers */

	return msm_rpc_create_server(&rpc_server);

}





module_init(rpc_server_init);