174 lines
4.0 KiB
C
174 lines
4.0 KiB
C
/* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <mach/dal_axi.h>
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/* The AXI device ID */
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#define DALDEVICEID_AXI 0x02000053
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#define DALRPC_PORT_NAME "DAL00"
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enum {
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DALRPC_AXI_ALLOCATE = DALDEVICE_FIRST_DEVICE_API_IDX + 1,
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DALRPC_AXI_FREE = DALDEVICE_FIRST_DEVICE_API_IDX + 2,
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DALRPC_AXI_CONFIGURE_BRIDGE = DALDEVICE_FIRST_DEVICE_API_IDX + 11
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};
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enum {
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DAL_AXI_BRIDGE_CFG_CGR_SS_2DGRP_SYNC_MODE = 14,
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DAL_AXI_BRIDGE_CFG_CGR_SS_2DGRP_ASYNC_MODE,
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DAL_AXI_BRIDGE_CFG_CGR_SS_2DGRP_ISOSYNC_MODE,
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DAL_AXI_BRIDGE_CFG_CGR_SS_2DGRP_DEBUG_EN,
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DAL_AXI_BRIDGE_CFG_CGR_SS_2DGRP_DEBUG_DIS,
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DAL_AXI_BRIDGE_CFG_CGR_SS_3DGRP_SYNC_MODE,
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DAL_AXI_BRIDGE_CFG_CGR_SS_3DGRP_ASYNC_MODE,
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DAL_AXI_BRIDGE_CFG_CGR_SS_3DGRP_ISOSYNC_MODE,
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DAL_AXI_BRIDGE_CFG_CGR_SS_3DGRP_DEBUG_EN,
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DAL_AXI_BRIDGE_CFG_CGR_SS_3DGRP_DEBUG_DIS,
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/* 7x27(A) Graphics Subsystem Bridge Configuration */
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DAL_AXI_BRIDGE_CFG_GRPSS_XBAR_SYNC_MODE = 58,
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DAL_AXI_BRIDGE_CFG_GRPSS_XBAR_ASYNC_MODE = 59,
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DAL_AXI_BRIDGE_CFG_GRPSS_XBAR_ISOSYNC_MODE = 60
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};
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static void *cam_dev_handle;
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static int __axi_free(int mode)
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{
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int rc = 0;
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if (!cam_dev_handle)
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return rc;
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rc = dalrpc_fcn_0(DALRPC_AXI_FREE, cam_dev_handle, mode);
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if (rc) {
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printk(KERN_ERR "%s: AXI bus device (%d) failed to be configured\n",
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__func__, rc);
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goto fail_dal_fcn_0;
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}
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/* close device handle */
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rc = daldevice_detach(cam_dev_handle);
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if (rc) {
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printk(KERN_ERR "%s: failed to detach AXI bus device (%d)\n",
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__func__, rc);
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goto fail_dal_attach_detach;
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}
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cam_dev_handle = NULL;
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return 0;
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fail_dal_fcn_0:
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(void)daldevice_detach(cam_dev_handle);
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cam_dev_handle = NULL;
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fail_dal_attach_detach:
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return rc;
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}
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static int __axi_allocate(int mode)
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{
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int rc;
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/* get device handle */
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rc = daldevice_attach(DALDEVICEID_AXI, DALRPC_PORT_NAME,
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DALRPC_DEST_MODEM, &cam_dev_handle);
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if (rc) {
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printk(KERN_ERR "%s: failed to attach AXI bus device (%d)\n",
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__func__, rc);
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goto fail_dal_attach_detach;
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}
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rc = dalrpc_fcn_0(DALRPC_AXI_ALLOCATE, cam_dev_handle, mode);
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if (rc) {
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printk(KERN_ERR "%s: AXI bus device (%d) failed to be configured\n",
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__func__, rc);
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goto fail_dal_fcn_0;
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}
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return 0;
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fail_dal_fcn_0:
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(void)daldevice_detach(cam_dev_handle);
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cam_dev_handle = NULL;
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fail_dal_attach_detach:
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return rc;
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}
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static int axi_configure_bridge_grfx_sync_mode(int bridge_mode)
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{
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int rc;
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void *dev_handle;
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/* get device handle */
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rc = daldevice_attach(
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DALDEVICEID_AXI, DALRPC_PORT_NAME,
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DALRPC_DEST_MODEM, &dev_handle
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);
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if (rc) {
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printk(KERN_ERR "%s: failed to attach AXI bus device (%d)\n",
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__func__, rc);
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goto fail_dal_attach_detach;
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}
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/* call ConfigureBridge */
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rc = dalrpc_fcn_0(
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DALRPC_AXI_CONFIGURE_BRIDGE, dev_handle,
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bridge_mode
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);
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if (rc) {
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printk(KERN_ERR "%s: AXI bus device (%d) failed to be configured\n",
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__func__, rc);
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goto fail_dal_fcn_0;
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}
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/* close device handle */
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rc = daldevice_detach(dev_handle);
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if (rc) {
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printk(KERN_ERR "%s: failed to detach AXI bus device (%d)\n",
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__func__, rc);
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goto fail_dal_attach_detach;
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}
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return 0;
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fail_dal_fcn_0:
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(void)daldevice_detach(dev_handle);
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fail_dal_attach_detach:
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return rc;
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}
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int axi_free(mode)
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{
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return __axi_free(mode);
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}
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int axi_allocate(mode)
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{
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return __axi_allocate(mode);
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}
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int set_grp2d_async(void)
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{
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return axi_configure_bridge_grfx_sync_mode(
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DAL_AXI_BRIDGE_CFG_CGR_SS_2DGRP_ASYNC_MODE);
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}
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int set_grp3d_async(void)
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{
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return axi_configure_bridge_grfx_sync_mode(
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DAL_AXI_BRIDGE_CFG_CGR_SS_3DGRP_ASYNC_MODE);
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}
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int set_grp_xbar_async(void)
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{ return axi_configure_bridge_grfx_sync_mode(
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DAL_AXI_BRIDGE_CFG_GRPSS_XBAR_ASYNC_MODE);
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}
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