diff options
Diffstat (limited to 'drivers/staging/tidspbridge/rmgr/drv.c')
| -rw-r--r-- | drivers/staging/tidspbridge/rmgr/drv.c | 202 |
1 files changed, 74 insertions, 128 deletions
diff --git a/drivers/staging/tidspbridge/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c index 81b1b9013550..8c88583364eb 100644 --- a/drivers/staging/tidspbridge/rmgr/drv.c +++ b/drivers/staging/tidspbridge/rmgr/drv.c @@ -16,6 +16,7 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #include <linux/types.h> +#include <linux/list.h> /* ----------------------------------- Host OS */ #include <dspbridge/host_os.h> @@ -26,9 +27,6 @@ /* ----------------------------------- Trace & Debug */ #include <dspbridge/dbc.h> -/* ----------------------------------- OS Adaptation Layer */ -#include <dspbridge/list.h> - /* ----------------------------------- This */ #include <dspbridge/drv.h> #include <dspbridge/dev.h> @@ -42,8 +40,8 @@ /* ----------------------------------- Defines, Data Structures, Typedefs */ struct drv_object { - struct lst_list *dev_list; - struct lst_list *dev_node_string; + struct list_head dev_list; + struct list_head dev_node_string; }; /* @@ -91,7 +89,7 @@ int drv_insert_node_res_element(void *hnode, void *node_resource, goto func_end; } - (*node_res_obj)->hnode = hnode; + (*node_res_obj)->node = hnode; retval = idr_get_new(ctxt->node_id, *node_res_obj, &(*node_res_obj)->id); if (retval == -EAGAIN) { @@ -125,13 +123,13 @@ static int drv_proc_free_node_res(int id, void *p, void *data) u32 node_state; if (node_res_obj->node_allocated) { - node_state = node_get_state(node_res_obj->hnode); + node_state = node_get_state(node_res_obj->node); if (node_state <= NODE_DELETING) { if ((node_state == NODE_RUNNING) || (node_state == NODE_PAUSED) || (node_state == NODE_TERMINATING)) node_terminate - (node_res_obj->hnode, &status); + (node_res_obj->node, &status); node_delete(node_res_obj, ctxt); } @@ -150,7 +148,7 @@ int drv_remove_all_dmm_res_elements(void *process_ctxt) /* Free DMM mapped memory resources */ list_for_each_entry_safe(map_obj, temp_map, &ctxt->dmm_map_list, link) { - status = proc_un_map(ctxt->hprocessor, + status = proc_un_map(ctxt->processor, (void *)map_obj->dsp_addr, ctxt); if (status) pr_err("%s: proc_un_map failed!" @@ -159,7 +157,7 @@ int drv_remove_all_dmm_res_elements(void *process_ctxt) /* Free DMM reserved memory resources */ list_for_each_entry_safe(rsv_obj, temp_rsv, &ctxt->dmm_rsv_list, link) { - status = proc_un_reserve_memory(ctxt->hprocessor, (void *) + status = proc_un_reserve_memory(ctxt->processor, (void *) rsv_obj->dsp_reserved_addr, ctxt); if (status) @@ -218,7 +216,7 @@ int drv_proc_insert_strm_res_element(void *stream_obj, goto func_end; } - (*pstrm_res)->hstream = stream_obj; + (*pstrm_res)->stream = stream_obj; retval = idr_get_new(ctxt->stream_id, *pstrm_res, &(*pstrm_res)->id); if (retval == -EAGAIN) { @@ -265,9 +263,9 @@ static int drv_proc_free_strm_res(int id, void *p, void *process_ctxt) } strm_info.user_strm = &user; user.number_bufs_in_stream = 0; - strm_get_info(strm_res->hstream, &strm_info, sizeof(strm_info)); + strm_get_info(strm_res->stream, &strm_info, sizeof(strm_info)); while (user.number_bufs_in_stream--) - strm_reclaim(strm_res->hstream, &buf_ptr, &ul_bytes, + strm_reclaim(strm_res->stream, &buf_ptr, &ul_bytes, (u32 *) &ul_buf_size, &dw_arg); strm_close(strm_res, ctxt); return 0; @@ -316,22 +314,8 @@ int drv_create(struct drv_object **drv_obj) pdrv_object = kzalloc(sizeof(struct drv_object), GFP_KERNEL); if (pdrv_object) { /* Create and Initialize List of device objects */ - pdrv_object->dev_list = kzalloc(sizeof(struct lst_list), - GFP_KERNEL); - if (pdrv_object->dev_list) { - /* Create and Initialize List of device Extension */ - pdrv_object->dev_node_string = - kzalloc(sizeof(struct lst_list), GFP_KERNEL); - if (!(pdrv_object->dev_node_string)) { - status = -EPERM; - } else { - INIT_LIST_HEAD(&pdrv_object-> - dev_node_string->head); - INIT_LIST_HEAD(&pdrv_object->dev_list->head); - } - } else { - status = -ENOMEM; - } + INIT_LIST_HEAD(&pdrv_object->dev_list); + INIT_LIST_HEAD(&pdrv_object->dev_node_string); } else { status = -ENOMEM; } @@ -348,8 +332,6 @@ int drv_create(struct drv_object **drv_obj) if (!status) { *drv_obj = pdrv_object; } else { - kfree(pdrv_object->dev_list); - kfree(pdrv_object->dev_node_string); /* Free the DRV Object */ kfree(pdrv_object); } @@ -386,13 +368,6 @@ int drv_destroy(struct drv_object *driver_obj) DBC_REQUIRE(refs > 0); DBC_REQUIRE(pdrv_object); - /* - * Delete the List if it exists.Should not come here - * as the drv_remove_dev_object and the Last drv_request_resources - * removes the list if the lists are empty. - */ - kfree(pdrv_object->dev_list); - kfree(pdrv_object->dev_node_string); kfree(pdrv_object); /* Update the DRV Object in the driver data */ if (drv_datap) { @@ -424,7 +399,7 @@ int drv_get_dev_object(u32 index, struct drv_object *hdrv_obj, DBC_REQUIRE(device_obj != NULL); DBC_REQUIRE(index >= 0); DBC_REQUIRE(refs > 0); - DBC_ASSERT(!(LST_IS_EMPTY(pdrv_obj->dev_list))); + DBC_ASSERT(!(list_empty(&pdrv_obj->dev_list))); dev_obj = (struct dev_object *)drv_get_first_dev_object(); for (i = 0; i < index; i++) { @@ -455,9 +430,8 @@ u32 drv_get_first_dev_object(void) if (drv_datap && drv_datap->drv_object) { pdrv_obj = drv_datap->drv_object; - if ((pdrv_obj->dev_list != NULL) && - !LST_IS_EMPTY(pdrv_obj->dev_list)) - dw_dev_object = (u32) lst_first(pdrv_obj->dev_list); + if (!list_empty(&pdrv_obj->dev_list)) + dw_dev_object = (u32) pdrv_obj->dev_list.next; } else { pr_err("%s: Failed to retrieve the object handle\n", __func__); } @@ -479,10 +453,9 @@ u32 drv_get_first_dev_extension(void) if (drv_datap && drv_datap->drv_object) { pdrv_obj = drv_datap->drv_object; - if ((pdrv_obj->dev_node_string != NULL) && - !LST_IS_EMPTY(pdrv_obj->dev_node_string)) { + if (!list_empty(&pdrv_obj->dev_node_string)) { dw_dev_extension = - (u32) lst_first(pdrv_obj->dev_node_string); + (u32) pdrv_obj->dev_node_string.next; } } else { pr_err("%s: Failed to retrieve the object handle\n", __func__); @@ -503,16 +476,15 @@ u32 drv_get_next_dev_object(u32 hdev_obj) u32 dw_next_dev_object = 0; struct drv_object *pdrv_obj; struct drv_data *drv_datap = dev_get_drvdata(bridge); - - DBC_REQUIRE(hdev_obj != 0); + struct list_head *curr; if (drv_datap && drv_datap->drv_object) { pdrv_obj = drv_datap->drv_object; - if ((pdrv_obj->dev_list != NULL) && - !LST_IS_EMPTY(pdrv_obj->dev_list)) { - dw_next_dev_object = (u32) lst_next(pdrv_obj->dev_list, - (struct list_head *) - hdev_obj); + if (!list_empty(&pdrv_obj->dev_list)) { + curr = (struct list_head *)hdev_obj; + if (list_is_last(curr, &pdrv_obj->dev_list)) + return 0; + dw_next_dev_object = (u32) curr->next; } } else { pr_err("%s: Failed to retrieve the object handle\n", __func__); @@ -534,16 +506,15 @@ u32 drv_get_next_dev_extension(u32 dev_extension) u32 dw_dev_extension = 0; struct drv_object *pdrv_obj; struct drv_data *drv_datap = dev_get_drvdata(bridge); - - DBC_REQUIRE(dev_extension != 0); + struct list_head *curr; if (drv_datap && drv_datap->drv_object) { pdrv_obj = drv_datap->drv_object; - if ((pdrv_obj->dev_node_string != NULL) && - !LST_IS_EMPTY(pdrv_obj->dev_node_string)) { - dw_dev_extension = - (u32) lst_next(pdrv_obj->dev_node_string, - (struct list_head *)dev_extension); + if (!list_empty(&pdrv_obj->dev_node_string)) { + curr = (struct list_head *)dev_extension; + if (list_is_last(curr, &pdrv_obj->dev_node_string)) + return 0; + dw_dev_extension = (u32) curr->next; } } else { pr_err("%s: Failed to retrieve the object handle\n", __func__); @@ -584,11 +555,8 @@ int drv_insert_dev_object(struct drv_object *driver_obj, DBC_REQUIRE(refs > 0); DBC_REQUIRE(hdev_obj != NULL); DBC_REQUIRE(pdrv_object); - DBC_ASSERT(pdrv_object->dev_list); - - lst_put_tail(pdrv_object->dev_list, (struct list_head *)hdev_obj); - DBC_ENSURE(!LST_IS_EMPTY(pdrv_object->dev_list)); + list_add_tail((struct list_head *)hdev_obj, &pdrv_object->dev_list); return 0; } @@ -610,26 +578,17 @@ int drv_remove_dev_object(struct drv_object *driver_obj, DBC_REQUIRE(pdrv_object); DBC_REQUIRE(hdev_obj != NULL); - DBC_REQUIRE(pdrv_object->dev_list != NULL); - DBC_REQUIRE(!LST_IS_EMPTY(pdrv_object->dev_list)); + DBC_REQUIRE(!list_empty(&pdrv_object->dev_list)); /* Search list for p_proc_object: */ - for (cur_elem = lst_first(pdrv_object->dev_list); cur_elem != NULL; - cur_elem = lst_next(pdrv_object->dev_list, cur_elem)) { + list_for_each(cur_elem, &pdrv_object->dev_list) { /* If found, remove it. */ if ((struct dev_object *)cur_elem == hdev_obj) { - lst_remove_elem(pdrv_object->dev_list, cur_elem); + list_del(cur_elem); status = 0; break; } } - /* Remove list if empty. */ - if (LST_IS_EMPTY(pdrv_object->dev_list)) { - kfree(pdrv_object->dev_list); - pdrv_object->dev_list = NULL; - } - DBC_ENSURE((pdrv_object->dev_list == NULL) || - !LST_IS_EMPTY(pdrv_object->dev_list)); return status; } @@ -663,14 +622,13 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg) if (!status) { pszdev_node = kzalloc(sizeof(struct drv_ext), GFP_KERNEL); if (pszdev_node) { - lst_init_elem(&pszdev_node->link); strncpy(pszdev_node->sz_string, (char *)dw_context, MAXREGPATHLENGTH - 1); pszdev_node->sz_string[MAXREGPATHLENGTH - 1] = '\0'; /* Update the Driver Object List */ *dev_node_strg = (u32) pszdev_node->sz_string; - lst_put_tail(pdrv_object->dev_node_string, - (struct list_head *)pszdev_node); + list_add_tail(&pszdev_node->link, + &pdrv_object->dev_node_string); } else { status = -ENOMEM; *dev_node_strg = 0; @@ -682,7 +640,7 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg) } DBC_ENSURE((!status && dev_node_strg != NULL && - !LST_IS_EMPTY(pdrv_object->dev_node_string)) || + !list_empty(&pdrv_object->dev_node_string)) || (status && *dev_node_strg == 0)); return status; @@ -696,7 +654,6 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg) int drv_release_resources(u32 dw_context, struct drv_object *hdrv_obj) { int status = 0; - struct drv_object *pdrv_object = (struct drv_object *)hdrv_obj; struct drv_ext *pszdev_node; /* @@ -706,23 +663,13 @@ int drv_release_resources(u32 dw_context, struct drv_object *hdrv_obj) for (pszdev_node = (struct drv_ext *)drv_get_first_dev_extension(); pszdev_node != NULL; pszdev_node = (struct drv_ext *) drv_get_next_dev_extension((u32) pszdev_node)) { - if (!pdrv_object->dev_node_string) { - /* When this could happen? */ - continue; - } if ((u32) pszdev_node == dw_context) { /* Found it */ /* Delete from the Driver object list */ - lst_remove_elem(pdrv_object->dev_node_string, - (struct list_head *)pszdev_node); - kfree((void *)pszdev_node); + list_del(&pszdev_node->link); + kfree(pszdev_node); break; } - /* Delete the List if it is empty */ - if (LST_IS_EMPTY(pdrv_object->dev_node_string)) { - kfree(pdrv_object->dev_node_string); - pdrv_object->dev_node_string = NULL; - } } return status; } @@ -740,10 +687,9 @@ static int request_bridge_resources(struct cfg_hostres *res) host_res->num_mem_windows = 2; /* First window is for DSP internal memory */ - host_res->dw_sys_ctrl_base = ioremap(OMAP_SYSC_BASE, OMAP_SYSC_SIZE); - dev_dbg(bridge, "dw_mem_base[0] 0x%x\n", host_res->dw_mem_base[0]); - dev_dbg(bridge, "dw_mem_base[3] 0x%x\n", host_res->dw_mem_base[3]); - dev_dbg(bridge, "dw_dmmu_base %p\n", host_res->dw_dmmu_base); + dev_dbg(bridge, "mem_base[0] 0x%x\n", host_res->mem_base[0]); + dev_dbg(bridge, "mem_base[3] 0x%x\n", host_res->mem_base[3]); + dev_dbg(bridge, "dmmu_base %p\n", host_res->dmmu_base); /* for 24xx base port is not mapping the mamory for DSP * internal memory TODO Do a ioremap here */ @@ -752,11 +698,11 @@ static int request_bridge_resources(struct cfg_hostres *res) /* These are hard-coded values */ host_res->birq_registers = 0; host_res->birq_attrib = 0; - host_res->dw_offset_for_monitor = 0; - host_res->dw_chnl_offset = 0; + host_res->offset_for_monitor = 0; + host_res->chnl_offset = 0; /* CHNL_MAXCHANNELS */ - host_res->dw_num_chnls = CHNL_MAXCHANNELS; - host_res->dw_chnl_buf_size = 0x400; + host_res->num_chnls = CHNL_MAXCHANNELS; + host_res->chnl_buf_size = 0x400; return 0; } @@ -784,51 +730,51 @@ int drv_request_bridge_res_dsp(void **phost_resources) /* num_mem_windows must not be more than CFG_MAXMEMREGISTERS */ host_res->num_mem_windows = 4; - host_res->dw_mem_base[0] = 0; - host_res->dw_mem_base[2] = (u32) ioremap(OMAP_DSP_MEM1_BASE, + host_res->mem_base[0] = 0; + host_res->mem_base[2] = (u32) ioremap(OMAP_DSP_MEM1_BASE, OMAP_DSP_MEM1_SIZE); - host_res->dw_mem_base[3] = (u32) ioremap(OMAP_DSP_MEM2_BASE, + host_res->mem_base[3] = (u32) ioremap(OMAP_DSP_MEM2_BASE, OMAP_DSP_MEM2_SIZE); - host_res->dw_mem_base[4] = (u32) ioremap(OMAP_DSP_MEM3_BASE, + host_res->mem_base[4] = (u32) ioremap(OMAP_DSP_MEM3_BASE, OMAP_DSP_MEM3_SIZE); - host_res->dw_per_base = ioremap(OMAP_PER_CM_BASE, + host_res->per_base = ioremap(OMAP_PER_CM_BASE, OMAP_PER_CM_SIZE); - host_res->dw_per_pm_base = (u32) ioremap(OMAP_PER_PRM_BASE, + host_res->per_pm_base = (u32) ioremap(OMAP_PER_PRM_BASE, OMAP_PER_PRM_SIZE); - host_res->dw_core_pm_base = (u32) ioremap(OMAP_CORE_PRM_BASE, + host_res->core_pm_base = (u32) ioremap(OMAP_CORE_PRM_BASE, OMAP_CORE_PRM_SIZE); - host_res->dw_dmmu_base = ioremap(OMAP_DMMU_BASE, + host_res->dmmu_base = ioremap(OMAP_DMMU_BASE, OMAP_DMMU_SIZE); - dev_dbg(bridge, "dw_mem_base[0] 0x%x\n", - host_res->dw_mem_base[0]); - dev_dbg(bridge, "dw_mem_base[1] 0x%x\n", - host_res->dw_mem_base[1]); - dev_dbg(bridge, "dw_mem_base[2] 0x%x\n", - host_res->dw_mem_base[2]); - dev_dbg(bridge, "dw_mem_base[3] 0x%x\n", - host_res->dw_mem_base[3]); - dev_dbg(bridge, "dw_mem_base[4] 0x%x\n", - host_res->dw_mem_base[4]); - dev_dbg(bridge, "dw_dmmu_base %p\n", host_res->dw_dmmu_base); + dev_dbg(bridge, "mem_base[0] 0x%x\n", + host_res->mem_base[0]); + dev_dbg(bridge, "mem_base[1] 0x%x\n", + host_res->mem_base[1]); + dev_dbg(bridge, "mem_base[2] 0x%x\n", + host_res->mem_base[2]); + dev_dbg(bridge, "mem_base[3] 0x%x\n", + host_res->mem_base[3]); + dev_dbg(bridge, "mem_base[4] 0x%x\n", + host_res->mem_base[4]); + dev_dbg(bridge, "dmmu_base %p\n", host_res->dmmu_base); shm_size = drv_datap->shm_size; if (shm_size >= 0x10000) { /* Allocate Physically contiguous, * non-cacheable memory */ - host_res->dw_mem_base[1] = + host_res->mem_base[1] = (u32) mem_alloc_phys_mem(shm_size, 0x100000, &dma_addr); - if (host_res->dw_mem_base[1] == 0) { + if (host_res->mem_base[1] == 0) { status = -ENOMEM; pr_err("shm reservation Failed\n"); } else { - host_res->dw_mem_length[1] = shm_size; - host_res->dw_mem_phys[1] = dma_addr; + host_res->mem_length[1] = shm_size; + host_res->mem_phys[1] = dma_addr; dev_dbg(bridge, "%s: Bridge shm address 0x%x " "dma_addr %x size %x\n", __func__, - host_res->dw_mem_base[1], + host_res->mem_base[1], dma_addr, shm_size); } } @@ -836,11 +782,11 @@ int drv_request_bridge_res_dsp(void **phost_resources) /* These are hard-coded values */ host_res->birq_registers = 0; host_res->birq_attrib = 0; - host_res->dw_offset_for_monitor = 0; - host_res->dw_chnl_offset = 0; + host_res->offset_for_monitor = 0; + host_res->chnl_offset = 0; /* CHNL_MAXCHANNELS */ - host_res->dw_num_chnls = CHNL_MAXCHANNELS; - host_res->dw_chnl_buf_size = 0x400; + host_res->num_chnls = CHNL_MAXCHANNELS; + host_res->chnl_buf_size = 0x400; dw_buff_size = sizeof(struct cfg_hostres); } *phost_resources = host_res; |