diff options
Diffstat (limited to 'arch/tile/gxio')
| -rw-r--r-- | arch/tile/gxio/Kconfig | 34 | ||||
| -rw-r--r-- | arch/tile/gxio/Makefile | 11 | ||||
| -rw-r--r-- | arch/tile/gxio/dma_queue.c | 176 | ||||
| -rw-r--r-- | arch/tile/gxio/iorpc_globals.c | 89 | ||||
| -rw-r--r-- | arch/tile/gxio/iorpc_mpipe.c | 593 | ||||
| -rw-r--r-- | arch/tile/gxio/iorpc_mpipe_info.c | 102 | ||||
| -rw-r--r-- | arch/tile/gxio/iorpc_trio.c | 350 | ||||
| -rw-r--r-- | arch/tile/gxio/iorpc_uart.c | 77 | ||||
| -rw-r--r-- | arch/tile/gxio/iorpc_usb_host.c | 99 | ||||
| -rw-r--r-- | arch/tile/gxio/kiorpc.c | 61 | ||||
| -rw-r--r-- | arch/tile/gxio/mpipe.c | 584 | ||||
| -rw-r--r-- | arch/tile/gxio/trio.c | 49 | ||||
| -rw-r--r-- | arch/tile/gxio/uart.c | 87 | ||||
| -rw-r--r-- | arch/tile/gxio/usb_host.c | 91 |
14 files changed, 0 insertions, 2403 deletions
diff --git a/arch/tile/gxio/Kconfig b/arch/tile/gxio/Kconfig deleted file mode 100644 index 903c8646bdd7..000000000000 --- a/arch/tile/gxio/Kconfig +++ /dev/null @@ -1,34 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# Support direct access to TILE-Gx hardware from user space, via the -# gxio library, or from kernel space, via kernel IORPC support. -config TILE_GXIO - bool - depends on TILEGX - -# Support direct access to the common I/O DMA facility within the -# TILE-Gx mPIPE and Trio hardware from kernel space. -config TILE_GXIO_DMA - bool - select TILE_GXIO - -# Support direct access to the TILE-Gx mPIPE hardware from kernel space. -config TILE_GXIO_MPIPE - bool - select TILE_GXIO - select TILE_GXIO_DMA - -# Support direct access to the TILE-Gx TRIO hardware from kernel space. -config TILE_GXIO_TRIO - bool - select TILE_GXIO - select TILE_GXIO_DMA - -# Support direct access to the TILE-Gx USB hardware from kernel space. -config TILE_GXIO_USB_HOST - bool - select TILE_GXIO - -# Support direct access to the TILE-Gx UART hardware from kernel space. -config TILE_GXIO_UART - bool - select TILE_GXIO diff --git a/arch/tile/gxio/Makefile b/arch/tile/gxio/Makefile deleted file mode 100644 index fcc903c4cf87..000000000000 --- a/arch/tile/gxio/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for the Tile-Gx device access support. -# - -obj-$(CONFIG_TILE_GXIO) += iorpc_globals.o kiorpc.o -obj-$(CONFIG_TILE_GXIO_DMA) += dma_queue.o -obj-$(CONFIG_TILE_GXIO_MPIPE) += mpipe.o iorpc_mpipe.o iorpc_mpipe_info.o -obj-$(CONFIG_TILE_GXIO_TRIO) += trio.o iorpc_trio.o -obj-$(CONFIG_TILE_GXIO_UART) += uart.o iorpc_uart.o -obj-$(CONFIG_TILE_GXIO_USB_HOST) += usb_host.o iorpc_usb_host.o diff --git a/arch/tile/gxio/dma_queue.c b/arch/tile/gxio/dma_queue.c deleted file mode 100644 index b7ba577d82ca..000000000000 --- a/arch/tile/gxio/dma_queue.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -#include <linux/io.h> -#include <linux/atomic.h> -#include <linux/module.h> -#include <gxio/dma_queue.h> - -/* Wait for a memory read to complete. */ -#define wait_for_value(val) \ - __asm__ __volatile__("move %0, %0" :: "r"(val)) - -/* The index is in the low 16. */ -#define DMA_QUEUE_INDEX_MASK ((1 << 16) - 1) - -/* - * The hardware descriptor-ring type. - * This matches the types used by mpipe (MPIPE_EDMA_POST_REGION_VAL_t) - * and trio (TRIO_PUSH_DMA_REGION_VAL_t or TRIO_PULL_DMA_REGION_VAL_t). - * See those types for more documentation on the individual fields. - */ -typedef union { - struct { -#ifndef __BIG_ENDIAN__ - uint64_t ring_idx:16; - uint64_t count:16; - uint64_t gen:1; - uint64_t __reserved:31; -#else - uint64_t __reserved:31; - uint64_t gen:1; - uint64_t count:16; - uint64_t ring_idx:16; -#endif - }; - uint64_t word; -} __gxio_ring_t; - -void __gxio_dma_queue_init(__gxio_dma_queue_t *dma_queue, - void *post_region_addr, unsigned int num_entries) -{ - /* - * Limit 65536 entry rings to 65535 credits because we only have a - * 16 bit completion counter. - */ - int64_t credits = (num_entries < 65536) ? num_entries : 65535; - - memset(dma_queue, 0, sizeof(*dma_queue)); - - dma_queue->post_region_addr = post_region_addr; - dma_queue->hw_complete_count = 0; - dma_queue->credits_and_next_index = credits << DMA_QUEUE_CREDIT_SHIFT; -} - -EXPORT_SYMBOL_GPL(__gxio_dma_queue_init); - -void __gxio_dma_queue_update_credits(__gxio_dma_queue_t *dma_queue) -{ - __gxio_ring_t val; - uint64_t count; - uint64_t delta; - uint64_t new_count; - - /* - * Read the 64-bit completion count without touching the cache, so - * we later avoid having to evict any sharers of this cache line - * when we update it below. - */ - uint64_t orig_hw_complete_count = - cmpxchg(&dma_queue->hw_complete_count, - -1, -1); - - /* Make sure the load completes before we access the hardware. */ - wait_for_value(orig_hw_complete_count); - - /* Read the 16-bit count of how many packets it has completed. */ - val.word = __gxio_mmio_read(dma_queue->post_region_addr); - count = val.count; - - /* - * Calculate the number of completions since we last updated the - * 64-bit counter. It's safe to ignore the high bits because the - * maximum credit value is 65535. - */ - delta = (count - orig_hw_complete_count) & 0xffff; - if (delta == 0) - return; - - /* - * Try to write back the count, advanced by delta. If we race with - * another thread, this might fail, in which case we return - * immediately on the assumption that some credits are (or at least - * were) available. - */ - new_count = orig_hw_complete_count + delta; - if (cmpxchg(&dma_queue->hw_complete_count, - orig_hw_complete_count, - new_count) != orig_hw_complete_count) - return; - - /* - * We succeeded in advancing the completion count; add back the - * corresponding number of egress credits. - */ - __insn_fetchadd(&dma_queue->credits_and_next_index, - (delta << DMA_QUEUE_CREDIT_SHIFT)); -} - -EXPORT_SYMBOL_GPL(__gxio_dma_queue_update_credits); - -/* - * A separate 'blocked' method for put() so that backtraces and - * profiles will clearly indicate that we're wasting time spinning on - * egress availability rather than actually posting commands. - */ -int64_t __gxio_dma_queue_wait_for_credits(__gxio_dma_queue_t *dma_queue, - int64_t modifier) -{ - int backoff = 16; - int64_t old; - - do { - int i; - /* Back off to avoid spamming memory networks. */ - for (i = backoff; i > 0; i--) - __insn_mfspr(SPR_PASS); - - /* Check credits again. */ - __gxio_dma_queue_update_credits(dma_queue); - old = __insn_fetchaddgez(&dma_queue->credits_and_next_index, - modifier); - - /* Calculate bounded exponential backoff for next iteration. */ - if (backoff < 256) - backoff *= 2; - } while (old + modifier < 0); - - return old; -} - -EXPORT_SYMBOL_GPL(__gxio_dma_queue_wait_for_credits); - -int64_t __gxio_dma_queue_reserve_aux(__gxio_dma_queue_t *dma_queue, - unsigned int num, int wait) -{ - return __gxio_dma_queue_reserve(dma_queue, num, wait != 0, true); -} - -EXPORT_SYMBOL_GPL(__gxio_dma_queue_reserve_aux); - -int __gxio_dma_queue_is_complete(__gxio_dma_queue_t *dma_queue, - int64_t completion_slot, int update) -{ - if (update) { - if (READ_ONCE(dma_queue->hw_complete_count) > - completion_slot) - return 1; - - __gxio_dma_queue_update_credits(dma_queue); - } - - return READ_ONCE(dma_queue->hw_complete_count) > completion_slot; -} - -EXPORT_SYMBOL_GPL(__gxio_dma_queue_is_complete); diff --git a/arch/tile/gxio/iorpc_globals.c b/arch/tile/gxio/iorpc_globals.c deleted file mode 100644 index e178e90805a2..000000000000 --- a/arch/tile/gxio/iorpc_globals.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* This file is machine-generated; DO NOT EDIT! */ -#include "gxio/iorpc_globals.h" - -struct arm_pollfd_param { - union iorpc_pollfd pollfd; -}; - -int __iorpc_arm_pollfd(int fd, int pollfd_cookie) -{ - struct arm_pollfd_param temp; - struct arm_pollfd_param *params = &temp; - - params->pollfd.kernel.cookie = pollfd_cookie; - - return hv_dev_pwrite(fd, 0, (HV_VirtAddr) params, sizeof(*params), - IORPC_OP_ARM_POLLFD); -} - -EXPORT_SYMBOL(__iorpc_arm_pollfd); - -struct close_pollfd_param { - union iorpc_pollfd pollfd; -}; - -int __iorpc_close_pollfd(int fd, int pollfd_cookie) -{ - struct close_pollfd_param temp; - struct close_pollfd_param *params = &temp; - - params->pollfd.kernel.cookie = pollfd_cookie; - - return hv_dev_pwrite(fd, 0, (HV_VirtAddr) params, sizeof(*params), - IORPC_OP_CLOSE_POLLFD); -} - -EXPORT_SYMBOL(__iorpc_close_pollfd); - -struct get_mmio_base_param { - HV_PTE base; -}; - -int __iorpc_get_mmio_base(int fd, HV_PTE *base) -{ - int __result; - struct get_mmio_base_param temp; - struct get_mmio_base_param *params = &temp; - - __result = - hv_dev_pread(fd, 0, (HV_VirtAddr) params, sizeof(*params), - IORPC_OP_GET_MMIO_BASE); - *base = params->base; - - return __result; -} - -EXPORT_SYMBOL(__iorpc_get_mmio_base); - -struct check_mmio_offset_param { - unsigned long offset; - unsigned long size; -}; - -int __iorpc_check_mmio_offset(int fd, unsigned long offset, unsigned long size) -{ - struct check_mmio_offset_param temp; - struct check_mmio_offset_param *params = &temp; - - params->offset = offset; - params->size = size; - - return hv_dev_pwrite(fd, 0, (HV_VirtAddr) params, sizeof(*params), - IORPC_OP_CHECK_MMIO_OFFSET); -} - -EXPORT_SYMBOL(__iorpc_check_mmio_offset); diff --git a/arch/tile/gxio/iorpc_mpipe.c b/arch/tile/gxio/iorpc_mpipe.c deleted file mode 100644 index e19325c4c431..000000000000 --- a/arch/tile/gxio/iorpc_mpipe.c +++ /dev/null @@ -1,593 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* This file is machine-generated; DO NOT EDIT! */ -#include "gxio/iorpc_mpipe.h" - -struct alloc_buffer_stacks_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_mpipe_alloc_buffer_stacks(gxio_mpipe_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_buffer_stacks_param temp; - struct alloc_buffer_stacks_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_ALLOC_BUFFER_STACKS); -} - -EXPORT_SYMBOL(gxio_mpipe_alloc_buffer_stacks); - -struct init_buffer_stack_aux_param { - union iorpc_mem_buffer buffer; - unsigned int stack; - unsigned int buffer_size_enum; -}; - -int gxio_mpipe_init_buffer_stack_aux(gxio_mpipe_context_t *context, - void *mem_va, size_t mem_size, - unsigned int mem_flags, unsigned int stack, - unsigned int buffer_size_enum) -{ - int __result; - unsigned long long __cpa; - pte_t __pte; - struct init_buffer_stack_aux_param temp; - struct init_buffer_stack_aux_param *params = &temp; - - __result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte); - if (__result != 0) - return __result; - params->buffer.kernel.cpa = __cpa; - params->buffer.kernel.size = mem_size; - params->buffer.kernel.pte = __pte; - params->buffer.kernel.flags = mem_flags; - params->stack = stack; - params->buffer_size_enum = buffer_size_enum; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_INIT_BUFFER_STACK_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_init_buffer_stack_aux); - - -struct alloc_notif_rings_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_mpipe_alloc_notif_rings(gxio_mpipe_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_notif_rings_param temp; - struct alloc_notif_rings_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_ALLOC_NOTIF_RINGS); -} - -EXPORT_SYMBOL(gxio_mpipe_alloc_notif_rings); - -struct init_notif_ring_aux_param { - union iorpc_mem_buffer buffer; - unsigned int ring; -}; - -int gxio_mpipe_init_notif_ring_aux(gxio_mpipe_context_t *context, void *mem_va, - size_t mem_size, unsigned int mem_flags, - unsigned int ring) -{ - int __result; - unsigned long long __cpa; - pte_t __pte; - struct init_notif_ring_aux_param temp; - struct init_notif_ring_aux_param *params = &temp; - - __result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte); - if (__result != 0) - return __result; - params->buffer.kernel.cpa = __cpa; - params->buffer.kernel.size = mem_size; - params->buffer.kernel.pte = __pte; - params->buffer.kernel.flags = mem_flags; - params->ring = ring; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_INIT_NOTIF_RING_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_init_notif_ring_aux); - -struct request_notif_ring_interrupt_param { - union iorpc_interrupt interrupt; - unsigned int ring; -}; - -int gxio_mpipe_request_notif_ring_interrupt(gxio_mpipe_context_t *context, - int inter_x, int inter_y, - int inter_ipi, int inter_event, - unsigned int ring) -{ - struct request_notif_ring_interrupt_param temp; - struct request_notif_ring_interrupt_param *params = &temp; - - params->interrupt.kernel.x = inter_x; - params->interrupt.kernel.y = inter_y; - params->interrupt.kernel.ipi = inter_ipi; - params->interrupt.kernel.event = inter_event; - params->ring = ring; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_REQUEST_NOTIF_RING_INTERRUPT); -} - -EXPORT_SYMBOL(gxio_mpipe_request_notif_ring_interrupt); - -struct enable_notif_ring_interrupt_param { - unsigned int ring; -}; - -int gxio_mpipe_enable_notif_ring_interrupt(gxio_mpipe_context_t *context, - unsigned int ring) -{ - struct enable_notif_ring_interrupt_param temp; - struct enable_notif_ring_interrupt_param *params = &temp; - - params->ring = ring; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_ENABLE_NOTIF_RING_INTERRUPT); -} - -EXPORT_SYMBOL(gxio_mpipe_enable_notif_ring_interrupt); - -struct alloc_notif_groups_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_mpipe_alloc_notif_groups(gxio_mpipe_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_notif_groups_param temp; - struct alloc_notif_groups_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_ALLOC_NOTIF_GROUPS); -} - -EXPORT_SYMBOL(gxio_mpipe_alloc_notif_groups); - -struct init_notif_group_param { - unsigned int group; - gxio_mpipe_notif_group_bits_t bits; -}; - -int gxio_mpipe_init_notif_group(gxio_mpipe_context_t *context, - unsigned int group, - gxio_mpipe_notif_group_bits_t bits) -{ - struct init_notif_group_param temp; - struct init_notif_group_param *params = &temp; - - params->group = group; - params->bits = bits; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_INIT_NOTIF_GROUP); -} - -EXPORT_SYMBOL(gxio_mpipe_init_notif_group); - -struct alloc_buckets_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_mpipe_alloc_buckets(gxio_mpipe_context_t *context, unsigned int count, - unsigned int first, unsigned int flags) -{ - struct alloc_buckets_param temp; - struct alloc_buckets_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_ALLOC_BUCKETS); -} - -EXPORT_SYMBOL(gxio_mpipe_alloc_buckets); - -struct init_bucket_param { - unsigned int bucket; - MPIPE_LBL_INIT_DAT_BSTS_TBL_t bucket_info; -}; - -int gxio_mpipe_init_bucket(gxio_mpipe_context_t *context, unsigned int bucket, - MPIPE_LBL_INIT_DAT_BSTS_TBL_t bucket_info) -{ - struct init_bucket_param temp; - struct init_bucket_param *params = &temp; - - params->bucket = bucket; - params->bucket_info = bucket_info; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_INIT_BUCKET); -} - -EXPORT_SYMBOL(gxio_mpipe_init_bucket); - -struct alloc_edma_rings_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_mpipe_alloc_edma_rings(gxio_mpipe_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_edma_rings_param temp; - struct alloc_edma_rings_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_ALLOC_EDMA_RINGS); -} - -EXPORT_SYMBOL(gxio_mpipe_alloc_edma_rings); - -struct init_edma_ring_aux_param { - union iorpc_mem_buffer buffer; - unsigned int ring; - unsigned int channel; -}; - -int gxio_mpipe_init_edma_ring_aux(gxio_mpipe_context_t *context, void *mem_va, - size_t mem_size, unsigned int mem_flags, - unsigned int ring, unsigned int channel) -{ - int __result; - unsigned long long __cpa; - pte_t __pte; - struct init_edma_ring_aux_param temp; - struct init_edma_ring_aux_param *params = &temp; - - __result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte); - if (__result != 0) - return __result; - params->buffer.kernel.cpa = __cpa; - params->buffer.kernel.size = mem_size; - params->buffer.kernel.pte = __pte; - params->buffer.kernel.flags = mem_flags; - params->ring = ring; - params->channel = channel; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_INIT_EDMA_RING_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_init_edma_ring_aux); - - -int gxio_mpipe_commit_rules(gxio_mpipe_context_t *context, const void *blob, - size_t blob_size) -{ - const void *params = blob; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, blob_size, - GXIO_MPIPE_OP_COMMIT_RULES); -} - -EXPORT_SYMBOL(gxio_mpipe_commit_rules); - -struct register_client_memory_param { - unsigned int iotlb; - HV_PTE pte; - unsigned int flags; -}; - -int gxio_mpipe_register_client_memory(gxio_mpipe_context_t *context, - unsigned int iotlb, HV_PTE pte, - unsigned int flags) -{ - struct register_client_memory_param temp; - struct register_client_memory_param *params = &temp; - - params->iotlb = iotlb; - params->pte = pte; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_REGISTER_CLIENT_MEMORY); -} - -EXPORT_SYMBOL(gxio_mpipe_register_client_memory); - -struct link_open_aux_param { - _gxio_mpipe_link_name_t name; - unsigned int flags; -}; - -int gxio_mpipe_link_open_aux(gxio_mpipe_context_t *context, - _gxio_mpipe_link_name_t name, unsigned int flags) -{ - struct link_open_aux_param temp; - struct link_open_aux_param *params = &temp; - - params->name = name; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_LINK_OPEN_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_link_open_aux); - -struct link_close_aux_param { - int mac; -}; - -int gxio_mpipe_link_close_aux(gxio_mpipe_context_t *context, int mac) -{ - struct link_close_aux_param temp; - struct link_close_aux_param *params = &temp; - - params->mac = mac; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_LINK_CLOSE_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_link_close_aux); - -struct link_set_attr_aux_param { - int mac; - uint32_t attr; - int64_t val; -}; - -int gxio_mpipe_link_set_attr_aux(gxio_mpipe_context_t *context, int mac, - uint32_t attr, int64_t val) -{ - struct link_set_attr_aux_param temp; - struct link_set_attr_aux_param *params = &temp; - - params->mac = mac; - params->attr = attr; - params->val = val; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_LINK_SET_ATTR_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_link_set_attr_aux); - -struct get_timestamp_aux_param { - uint64_t sec; - uint64_t nsec; - uint64_t cycles; -}; - -int gxio_mpipe_get_timestamp_aux(gxio_mpipe_context_t *context, uint64_t *sec, - uint64_t *nsec, uint64_t *cycles) -{ - int __result; - struct get_timestamp_aux_param temp; - struct get_timestamp_aux_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_MPIPE_OP_GET_TIMESTAMP_AUX); - *sec = params->sec; - *nsec = params->nsec; - *cycles = params->cycles; - - return __result; -} - -EXPORT_SYMBOL(gxio_mpipe_get_timestamp_aux); - -struct set_timestamp_aux_param { - uint64_t sec; - uint64_t nsec; - uint64_t cycles; -}; - -int gxio_mpipe_set_timestamp_aux(gxio_mpipe_context_t *context, uint64_t sec, - uint64_t nsec, uint64_t cycles) -{ - struct set_timestamp_aux_param temp; - struct set_timestamp_aux_param *params = &temp; - - params->sec = sec; - params->nsec = nsec; - params->cycles = cycles; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_SET_TIMESTAMP_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_set_timestamp_aux); - -struct adjust_timestamp_aux_param { - int64_t nsec; -}; - -int gxio_mpipe_adjust_timestamp_aux(gxio_mpipe_context_t *context, int64_t nsec) -{ - struct adjust_timestamp_aux_param temp; - struct adjust_timestamp_aux_param *params = &temp; - - params->nsec = nsec; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_ADJUST_TIMESTAMP_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_adjust_timestamp_aux); - -struct config_edma_ring_blks_param { - unsigned int ering; - unsigned int max_blks; - unsigned int min_snf_blks; - unsigned int db; -}; - -int gxio_mpipe_config_edma_ring_blks(gxio_mpipe_context_t *context, - unsigned int ering, unsigned int max_blks, - unsigned int min_snf_blks, unsigned int db) -{ - struct config_edma_ring_blks_param temp; - struct config_edma_ring_blks_param *params = &temp; - - params->ering = ering; - params->max_blks = max_blks; - params->min_snf_blks = min_snf_blks; - params->db = db; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_CONFIG_EDMA_RING_BLKS); -} - -EXPORT_SYMBOL(gxio_mpipe_config_edma_ring_blks); - -struct adjust_timestamp_freq_param { - int32_t ppb; -}; - -int gxio_mpipe_adjust_timestamp_freq(gxio_mpipe_context_t *context, int32_t ppb) -{ - struct adjust_timestamp_freq_param temp; - struct adjust_timestamp_freq_param *params = &temp; - - params->ppb = ppb; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_OP_ADJUST_TIMESTAMP_FREQ); -} - -EXPORT_SYMBOL(gxio_mpipe_adjust_timestamp_freq); - -struct arm_pollfd_param { - union iorpc_pollfd pollfd; -}; - -int gxio_mpipe_arm_pollfd(gxio_mpipe_context_t *context, int pollfd_cookie) -{ - struct arm_pollfd_param temp; - struct arm_pollfd_param *params = &temp; - - params->pollfd.kernel.cookie = pollfd_cookie; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_ARM_POLLFD); -} - -EXPORT_SYMBOL(gxio_mpipe_arm_pollfd); - -struct close_pollfd_param { - union iorpc_pollfd pollfd; -}; - -int gxio_mpipe_close_pollfd(gxio_mpipe_context_t *context, int pollfd_cookie) -{ - struct close_pollfd_param temp; - struct close_pollfd_param *params = &temp; - - params->pollfd.kernel.cookie = pollfd_cookie; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_CLOSE_POLLFD); -} - -EXPORT_SYMBOL(gxio_mpipe_close_pollfd); - -struct get_mmio_base_param { - HV_PTE base; -}; - -int gxio_mpipe_get_mmio_base(gxio_mpipe_context_t *context, HV_PTE *base) -{ - int __result; - struct get_mmio_base_param temp; - struct get_mmio_base_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_MPIPE_OP_GET_MMIO_BASE); - *base = params->base; - - return __result; -} - -EXPORT_SYMBOL(gxio_mpipe_get_mmio_base); - -struct check_mmio_offset_param { - unsigned long offset; - unsigned long size; -}; - -int gxio_mpipe_check_mmio_offset(gxio_mpipe_context_t *context, - unsigned long offset, unsigned long size) -{ - struct check_mmio_offset_param temp; - struct check_mmio_offset_param *params = &temp; - - params->offset = offset; - params->size = size; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_OP_CHECK_MMIO_OFFSET); -} - -EXPORT_SYMBOL(gxio_mpipe_check_mmio_offset); diff --git a/arch/tile/gxio/iorpc_mpipe_info.c b/arch/tile/gxio/iorpc_mpipe_info.c deleted file mode 100644 index 77019c6e9b4a..000000000000 --- a/arch/tile/gxio/iorpc_mpipe_info.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* This file is machine-generated; DO NOT EDIT! */ -#include "gxio/iorpc_mpipe_info.h" - -struct instance_aux_param { - _gxio_mpipe_link_name_t name; -}; - -int gxio_mpipe_info_instance_aux(gxio_mpipe_info_context_t *context, - _gxio_mpipe_link_name_t name) -{ - struct instance_aux_param temp; - struct instance_aux_param *params = &temp; - - params->name = name; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_MPIPE_INFO_OP_INSTANCE_AUX); -} - -EXPORT_SYMBOL(gxio_mpipe_info_instance_aux); - -struct enumerate_aux_param { - _gxio_mpipe_link_name_t name; - _gxio_mpipe_link_mac_t mac; -}; - -int gxio_mpipe_info_enumerate_aux(gxio_mpipe_info_context_t *context, - unsigned int idx, - _gxio_mpipe_link_name_t *name, - _gxio_mpipe_link_mac_t *mac) -{ - int __result; - struct enumerate_aux_param temp; - struct enumerate_aux_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - (((uint64_t)idx << 32) | - GXIO_MPIPE_INFO_OP_ENUMERATE_AUX)); - *name = params->name; - *mac = params->mac; - - return __result; -} - -EXPORT_SYMBOL(gxio_mpipe_info_enumerate_aux); - -struct get_mmio_base_param { - HV_PTE base; -}; - -int gxio_mpipe_info_get_mmio_base(gxio_mpipe_info_context_t *context, - HV_PTE *base) -{ - int __result; - struct get_mmio_base_param temp; - struct get_mmio_base_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_MPIPE_INFO_OP_GET_MMIO_BASE); - *base = params->base; - - return __result; -} - -EXPORT_SYMBOL(gxio_mpipe_info_get_mmio_base); - -struct check_mmio_offset_param { - unsigned long offset; - unsigned long size; -}; - -int gxio_mpipe_info_check_mmio_offset(gxio_mpipe_info_context_t *context, - unsigned long offset, unsigned long size) -{ - struct check_mmio_offset_param temp; - struct check_mmio_offset_param *params = &temp; - - params->offset = offset; - params->size = size; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_MPIPE_INFO_OP_CHECK_MMIO_OFFSET); -} - -EXPORT_SYMBOL(gxio_mpipe_info_check_mmio_offset); diff --git a/arch/tile/gxio/iorpc_trio.c b/arch/tile/gxio/iorpc_trio.c deleted file mode 100644 index 1d3cedb9aeb4..000000000000 --- a/arch/tile/gxio/iorpc_trio.c +++ /dev/null @@ -1,350 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* This file is machine-generated; DO NOT EDIT! */ -#include "gxio/iorpc_trio.h" - -struct alloc_asids_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_trio_alloc_asids(gxio_trio_context_t *context, unsigned int count, - unsigned int first, unsigned int flags) -{ - struct alloc_asids_param temp; - struct alloc_asids_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_ALLOC_ASIDS); -} - -EXPORT_SYMBOL(gxio_trio_alloc_asids); - - -struct alloc_memory_maps_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_trio_alloc_memory_maps(gxio_trio_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_memory_maps_param temp; - struct alloc_memory_maps_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_ALLOC_MEMORY_MAPS); -} - -EXPORT_SYMBOL(gxio_trio_alloc_memory_maps); - -struct alloc_scatter_queues_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_trio_alloc_scatter_queues(gxio_trio_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_scatter_queues_param temp; - struct alloc_scatter_queues_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_TRIO_OP_ALLOC_SCATTER_QUEUES); -} - -EXPORT_SYMBOL(gxio_trio_alloc_scatter_queues); - -struct alloc_pio_regions_param { - unsigned int count; - unsigned int first; - unsigned int flags; -}; - -int gxio_trio_alloc_pio_regions(gxio_trio_context_t *context, - unsigned int count, unsigned int first, - unsigned int flags) -{ - struct alloc_pio_regions_param temp; - struct alloc_pio_regions_param *params = &temp; - - params->count = count; - params->first = first; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_ALLOC_PIO_REGIONS); -} - -EXPORT_SYMBOL(gxio_trio_alloc_pio_regions); - -struct init_pio_region_aux_param { - unsigned int pio_region; - unsigned int mac; - uint32_t bus_address_hi; - unsigned int flags; -}; - -int gxio_trio_init_pio_region_aux(gxio_trio_context_t *context, - unsigned int pio_region, unsigned int mac, - uint32_t bus_address_hi, unsigned int flags) -{ - struct init_pio_region_aux_param temp; - struct init_pio_region_aux_param *params = &temp; - - params->pio_region = pio_region; - params->mac = mac; - params->bus_address_hi = bus_address_hi; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_INIT_PIO_REGION_AUX); -} - -EXPORT_SYMBOL(gxio_trio_init_pio_region_aux); - - -struct init_memory_map_mmu_aux_param { - unsigned int map; - unsigned long va; - uint64_t size; - unsigned int asid; - unsigned int mac; - uint64_t bus_address; - unsigned int node; - unsigned int order_mode; -}; - -int gxio_trio_init_memory_map_mmu_aux(gxio_trio_context_t *context, - unsigned int map, unsigned long va, - uint64_t size, unsigned int asid, - unsigned int mac, uint64_t bus_address, - unsigned int node, - unsigned int order_mode) -{ - struct init_memory_map_mmu_aux_param temp; - struct init_memory_map_mmu_aux_param *params = &temp; - - params->map = map; - params->va = va; - params->size = size; - params->asid = asid; - params->mac = mac; - params->bus_address = bus_address; - params->node = node; - params->order_mode = order_mode; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_TRIO_OP_INIT_MEMORY_MAP_MMU_AUX); -} - -EXPORT_SYMBOL(gxio_trio_init_memory_map_mmu_aux); - -struct get_port_property_param { - struct pcie_trio_ports_property trio_ports; -}; - -int gxio_trio_get_port_property(gxio_trio_context_t *context, - struct pcie_trio_ports_property *trio_ports) -{ - int __result; - struct get_port_property_param temp; - struct get_port_property_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_TRIO_OP_GET_PORT_PROPERTY); - *trio_ports = params->trio_ports; - - return __result; -} - -EXPORT_SYMBOL(gxio_trio_get_port_property); - -struct config_legacy_intr_param { - union iorpc_interrupt interrupt; - unsigned int mac; - unsigned int intx; -}; - -int gxio_trio_config_legacy_intr(gxio_trio_context_t *context, int inter_x, - int inter_y, int inter_ipi, int inter_event, - unsigned int mac, unsigned int intx) -{ - struct config_legacy_intr_param temp; - struct config_legacy_intr_param *params = &temp; - - params->interrupt.kernel.x = inter_x; - params->interrupt.kernel.y = inter_y; - params->interrupt.kernel.ipi = inter_ipi; - params->interrupt.kernel.event = inter_event; - params->mac = mac; - params->intx = intx; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_CONFIG_LEGACY_INTR); -} - -EXPORT_SYMBOL(gxio_trio_config_legacy_intr); - -struct config_msi_intr_param { - union iorpc_interrupt interrupt; - unsigned int mac; - unsigned int mem_map; - uint64_t mem_map_base; - uint64_t mem_map_limit; - unsigned int asid; -}; - -int gxio_trio_config_msi_intr(gxio_trio_context_t *context, int inter_x, - int inter_y, int inter_ipi, int inter_event, - unsigned int mac, unsigned int mem_map, - uint64_t mem_map_base, uint64_t mem_map_limit, - unsigned int asid) -{ - struct config_msi_intr_param temp; - struct config_msi_intr_param *params = &temp; - - params->interrupt.kernel.x = inter_x; - params->interrupt.kernel.y = inter_y; - params->interrupt.kernel.ipi = inter_ipi; - params->interrupt.kernel.event = inter_event; - params->mac = mac; - params->mem_map = mem_map; - params->mem_map_base = mem_map_base; - params->mem_map_limit = mem_map_limit; - params->asid = asid; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_CONFIG_MSI_INTR); -} - -EXPORT_SYMBOL(gxio_trio_config_msi_intr); - - -struct set_mps_mrs_param { - uint16_t mps; - uint16_t mrs; - unsigned int mac; -}; - -int gxio_trio_set_mps_mrs(gxio_trio_context_t *context, uint16_t mps, - uint16_t mrs, unsigned int mac) -{ - struct set_mps_mrs_param temp; - struct set_mps_mrs_param *params = &temp; - - params->mps = mps; - params->mrs = mrs; - params->mac = mac; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_SET_MPS_MRS); -} - -EXPORT_SYMBOL(gxio_trio_set_mps_mrs); - -struct force_rc_link_up_param { - unsigned int mac; -}; - -int gxio_trio_force_rc_link_up(gxio_trio_context_t *context, unsigned int mac) -{ - struct force_rc_link_up_param temp; - struct force_rc_link_up_param *params = &temp; - - params->mac = mac; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_FORCE_RC_LINK_UP); -} - -EXPORT_SYMBOL(gxio_trio_force_rc_link_up); - -struct force_ep_link_up_param { - unsigned int mac; -}; - -int gxio_trio_force_ep_link_up(gxio_trio_context_t *context, unsigned int mac) -{ - struct force_ep_link_up_param temp; - struct force_ep_link_up_param *params = &temp; - - params->mac = mac; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_FORCE_EP_LINK_UP); -} - -EXPORT_SYMBOL(gxio_trio_force_ep_link_up); - -struct get_mmio_base_param { - HV_PTE base; -}; - -int gxio_trio_get_mmio_base(gxio_trio_context_t *context, HV_PTE *base) -{ - int __result; - struct get_mmio_base_param temp; - struct get_mmio_base_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_TRIO_OP_GET_MMIO_BASE); - *base = params->base; - - return __result; -} - -EXPORT_SYMBOL(gxio_trio_get_mmio_base); - -struct check_mmio_offset_param { - unsigned long offset; - unsigned long size; -}; - -int gxio_trio_check_mmio_offset(gxio_trio_context_t *context, - unsigned long offset, unsigned long size) -{ - struct check_mmio_offset_param temp; - struct check_mmio_offset_param *params = &temp; - - params->offset = offset; - params->size = size; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_TRIO_OP_CHECK_MMIO_OFFSET); -} - -EXPORT_SYMBOL(gxio_trio_check_mmio_offset); diff --git a/arch/tile/gxio/iorpc_uart.c b/arch/tile/gxio/iorpc_uart.c deleted file mode 100644 index b9a6d6193d73..000000000000 --- a/arch/tile/gxio/iorpc_uart.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright 2013 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* This file is machine-generated; DO NOT EDIT! */ -#include "gxio/iorpc_uart.h" - -struct cfg_interrupt_param { - union iorpc_interrupt interrupt; -}; - -int gxio_uart_cfg_interrupt(gxio_uart_context_t *context, int inter_x, - int inter_y, int inter_ipi, int inter_event) -{ - struct cfg_interrupt_param temp; - struct cfg_interrupt_param *params = &temp; - - params->interrupt.kernel.x = inter_x; - params->interrupt.kernel.y = inter_y; - params->interrupt.kernel.ipi = inter_ipi; - params->interrupt.kernel.event = inter_event; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_UART_OP_CFG_INTERRUPT); -} - -EXPORT_SYMBOL(gxio_uart_cfg_interrupt); - -struct get_mmio_base_param { - HV_PTE base; -}; - -int gxio_uart_get_mmio_base(gxio_uart_context_t *context, HV_PTE *base) -{ - int __result; - struct get_mmio_base_param temp; - struct get_mmio_base_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_UART_OP_GET_MMIO_BASE); - *base = params->base; - - return __result; -} - -EXPORT_SYMBOL(gxio_uart_get_mmio_base); - -struct check_mmio_offset_param { - unsigned long offset; - unsigned long size; -}; - -int gxio_uart_check_mmio_offset(gxio_uart_context_t *context, - unsigned long offset, unsigned long size) -{ - struct check_mmio_offset_param temp; - struct check_mmio_offset_param *params = &temp; - - params->offset = offset; - params->size = size; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_UART_OP_CHECK_MMIO_OFFSET); -} - -EXPORT_SYMBOL(gxio_uart_check_mmio_offset); diff --git a/arch/tile/gxio/iorpc_usb_host.c b/arch/tile/gxio/iorpc_usb_host.c deleted file mode 100644 index 9c820073bfc0..000000000000 --- a/arch/tile/gxio/iorpc_usb_host.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* This file is machine-generated; DO NOT EDIT! */ -#include "gxio/iorpc_usb_host.h" - -struct cfg_interrupt_param { - union iorpc_interrupt interrupt; -}; - -int gxio_usb_host_cfg_interrupt(gxio_usb_host_context_t *context, int inter_x, - int inter_y, int inter_ipi, int inter_event) -{ - struct cfg_interrupt_param temp; - struct cfg_interrupt_param *params = &temp; - - params->interrupt.kernel.x = inter_x; - params->interrupt.kernel.y = inter_y; - params->interrupt.kernel.ipi = inter_ipi; - params->interrupt.kernel.event = inter_event; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), GXIO_USB_HOST_OP_CFG_INTERRUPT); -} - -EXPORT_SYMBOL(gxio_usb_host_cfg_interrupt); - -struct register_client_memory_param { - HV_PTE pte; - unsigned int flags; -}; - -int gxio_usb_host_register_client_memory(gxio_usb_host_context_t *context, - HV_PTE pte, unsigned int flags) -{ - struct register_client_memory_param temp; - struct register_client_memory_param *params = &temp; - - params->pte = pte; - params->flags = flags; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_USB_HOST_OP_REGISTER_CLIENT_MEMORY); -} - -EXPORT_SYMBOL(gxio_usb_host_register_client_memory); - -struct get_mmio_base_param { - HV_PTE base; -}; - -int gxio_usb_host_get_mmio_base(gxio_usb_host_context_t *context, HV_PTE *base) -{ - int __result; - struct get_mmio_base_param temp; - struct get_mmio_base_param *params = &temp; - - __result = - hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params), - GXIO_USB_HOST_OP_GET_MMIO_BASE); - *base = params->base; - - return __result; -} - -EXPORT_SYMBOL(gxio_usb_host_get_mmio_base); - -struct check_mmio_offset_param { - unsigned long offset; - unsigned long size; -}; - -int gxio_usb_host_check_mmio_offset(gxio_usb_host_context_t *context, - unsigned long offset, unsigned long size) -{ - struct check_mmio_offset_param temp; - struct check_mmio_offset_param *params = &temp; - - params->offset = offset; - params->size = size; - - return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, - sizeof(*params), - GXIO_USB_HOST_OP_CHECK_MMIO_OFFSET); -} - -EXPORT_SYMBOL(gxio_usb_host_check_mmio_offset); diff --git a/arch/tile/gxio/kiorpc.c b/arch/tile/gxio/kiorpc.c deleted file mode 100644 index c8096aa5a3fc..000000000000 --- a/arch/tile/gxio/kiorpc.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - * - * TILE-Gx IORPC support for kernel I/O drivers. - */ - -#include <linux/mmzone.h> -#include <linux/module.h> -#include <linux/io.h> -#include <gxio/iorpc_globals.h> -#include <gxio/kiorpc.h> - -#ifdef DEBUG_IORPC -#define TRACE(FMT, ...) pr_info(SIMPLE_MSG_LINE FMT, ## __VA_ARGS__) -#else -#define TRACE(...) -#endif - -/* Create kernel-VA-space MMIO mapping for an on-chip IO device. */ -void __iomem *iorpc_ioremap(int hv_fd, resource_size_t offset, - unsigned long size) -{ - pgprot_t mmio_base, prot = { 0 }; - unsigned long pfn; - int err; - - /* Look up the shim's lotar and base PA. */ - err = __iorpc_get_mmio_base(hv_fd, &mmio_base); - if (err) { - TRACE("get_mmio_base() failure: %d\n", err); - return NULL; - } - - /* Make sure the HV driver approves of our offset and size. */ - err = __iorpc_check_mmio_offset(hv_fd, offset, size); - if (err) { - TRACE("check_mmio_offset() failure: %d\n", err); - return NULL; - } - - /* - * mmio_base contains a base pfn and homing coordinates. Turn - * it into an MMIO pgprot and offset pfn. - */ - prot = hv_pte_set_lotar(prot, hv_pte_get_lotar(mmio_base)); - pfn = pte_pfn(mmio_base) + PFN_DOWN(offset); - - return ioremap_prot(PFN_PHYS(pfn), size, prot); -} - -EXPORT_SYMBOL(iorpc_ioremap); diff --git a/arch/tile/gxio/mpipe.c b/arch/tile/gxio/mpipe.c deleted file mode 100644 index 34de300ab320..000000000000 --- a/arch/tile/gxio/mpipe.c +++ /dev/null @@ -1,584 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* - * Implementation of mpipe gxio calls. - */ - -#include <linux/errno.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/string.h> - -#include <gxio/iorpc_globals.h> -#include <gxio/iorpc_mpipe.h> -#include <gxio/iorpc_mpipe_info.h> -#include <gxio/kiorpc.h> -#include <gxio/mpipe.h> - -/* HACK: Avoid pointless "shadow" warnings. */ -#define link link_shadow - -int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index) -{ - char file[32]; - - int fd; - int i; - - if (mpipe_index >= GXIO_MPIPE_INSTANCE_MAX) - return -EINVAL; - - snprintf(file, sizeof(file), "mpipe/%d/iorpc", mpipe_index); - fd = hv_dev_open((HV_VirtAddr) file, 0); - - context->fd = fd; - - if (fd < 0) { - if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) - return fd; - else - return -ENODEV; - } - - /* Map in the MMIO space. */ - context->mmio_cfg_base = (void __force *) - iorpc_ioremap(fd, HV_MPIPE_CONFIG_MMIO_OFFSET, - HV_MPIPE_CONFIG_MMIO_SIZE); - if (context->mmio_cfg_base == NULL) - goto cfg_failed; - - context->mmio_fast_base = (void __force *) - iorpc_ioremap(fd, HV_MPIPE_FAST_MMIO_OFFSET, - HV_MPIPE_FAST_MMIO_SIZE); - if (context->mmio_fast_base == NULL) - goto fast_failed; - - /* Initialize the stacks. */ - for (i = 0; i < 8; i++) - context->__stacks.stacks[i] = 255; - - context->instance = mpipe_index; - - return 0; - - fast_failed: - iounmap((void __force __iomem *)(context->mmio_cfg_base)); - cfg_failed: - hv_dev_close(context->fd); - context->fd = -1; - return -ENODEV; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_init); - -int gxio_mpipe_destroy(gxio_mpipe_context_t *context) -{ - iounmap((void __force __iomem *)(context->mmio_cfg_base)); - iounmap((void __force __iomem *)(context->mmio_fast_base)); - return hv_dev_close(context->fd); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_destroy); - -static int16_t gxio_mpipe_buffer_sizes[8] = - { 128, 256, 512, 1024, 1664, 4096, 10368, 16384 }; - -gxio_mpipe_buffer_size_enum_t gxio_mpipe_buffer_size_to_buffer_size_enum(size_t - size) -{ - int i; - for (i = 0; i < 7; i++) - if (size <= gxio_mpipe_buffer_sizes[i]) - break; - return i; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_buffer_size_to_buffer_size_enum); - -size_t gxio_mpipe_buffer_size_enum_to_buffer_size(gxio_mpipe_buffer_size_enum_t - buffer_size_enum) -{ - if (buffer_size_enum > 7) - buffer_size_enum = 7; - - return gxio_mpipe_buffer_sizes[buffer_size_enum]; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_buffer_size_enum_to_buffer_size); - -size_t gxio_mpipe_calc_buffer_stack_bytes(unsigned long buffers) -{ - const int BUFFERS_PER_LINE = 12; - - /* Count the number of cachelines. */ - unsigned long lines = - (buffers + BUFFERS_PER_LINE - 1) / BUFFERS_PER_LINE; - - /* Convert to bytes. */ - return lines * CHIP_L2_LINE_SIZE(); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_calc_buffer_stack_bytes); - -int gxio_mpipe_init_buffer_stack(gxio_mpipe_context_t *context, - unsigned int stack, - gxio_mpipe_buffer_size_enum_t - buffer_size_enum, void *mem, size_t mem_size, - unsigned int mem_flags) -{ - int result; - - memset(mem, 0, mem_size); - - result = gxio_mpipe_init_buffer_stack_aux(context, mem, mem_size, - mem_flags, stack, - buffer_size_enum); - if (result < 0) - return result; - - /* Save the stack. */ - context->__stacks.stacks[buffer_size_enum] = stack; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_init_buffer_stack); - -int gxio_mpipe_init_notif_ring(gxio_mpipe_context_t *context, - unsigned int ring, - void *mem, size_t mem_size, - unsigned int mem_flags) -{ - return gxio_mpipe_init_notif_ring_aux(context, mem, mem_size, - mem_flags, ring); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_init_notif_ring); - -int gxio_mpipe_init_notif_group_and_buckets(gxio_mpipe_context_t *context, - unsigned int group, - unsigned int ring, - unsigned int num_rings, - unsigned int bucket, - unsigned int num_buckets, - gxio_mpipe_bucket_mode_t mode) -{ - int i; - int result; - - gxio_mpipe_bucket_info_t bucket_info = { { - .group = group, - .mode = mode, - } - }; - - gxio_mpipe_notif_group_bits_t bits = { {0} }; - - for (i = 0; i < num_rings; i++) - gxio_mpipe_notif_group_add_ring(&bits, ring + i); - - result = gxio_mpipe_init_notif_group(context, group, bits); - if (result != 0) - return result; - - for (i = 0; i < num_buckets; i++) { - bucket_info.notifring = ring + (i % num_rings); - - result = gxio_mpipe_init_bucket(context, bucket + i, - bucket_info); - if (result != 0) - return result; - } - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_init_notif_group_and_buckets); - -int gxio_mpipe_init_edma_ring(gxio_mpipe_context_t *context, - unsigned int ring, unsigned int channel, - void *mem, size_t mem_size, - unsigned int mem_flags) -{ - memset(mem, 0, mem_size); - - return gxio_mpipe_init_edma_ring_aux(context, mem, mem_size, mem_flags, - ring, channel); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_init_edma_ring); - -void gxio_mpipe_rules_init(gxio_mpipe_rules_t *rules, - gxio_mpipe_context_t *context) -{ - rules->context = context; - memset(&rules->list, 0, sizeof(rules->list)); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_rules_init); - -int gxio_mpipe_rules_begin(gxio_mpipe_rules_t *rules, - unsigned int bucket, unsigned int num_buckets, - gxio_mpipe_rules_stacks_t *stacks) -{ - int i; - int stack = 255; - - gxio_mpipe_rules_list_t *list = &rules->list; - - /* Current rule. */ - gxio_mpipe_rules_rule_t *rule = - (gxio_mpipe_rules_rule_t *) (list->rules + list->head); - - unsigned int head = list->tail; - - /* - * Align next rule properly. - *Note that "dmacs_and_vlans" will also be aligned. - */ - unsigned int pad = 0; - while (((head + pad) % __alignof__(gxio_mpipe_rules_rule_t)) != 0) - pad++; - - /* - * Verify room. - * ISSUE: Mark rules as broken on error? - */ - if (head + pad + sizeof(*rule) >= sizeof(list->rules)) - return GXIO_MPIPE_ERR_RULES_FULL; - - /* Verify num_buckets is a power of 2. */ - if (__builtin_popcount(num_buckets) != 1) - return GXIO_MPIPE_ERR_RULES_INVALID; - - /* Add padding to previous rule. */ - rule->size += pad; - - /* Start a new rule. */ - list->head = head + pad; - - rule = (gxio_mpipe_rules_rule_t *) (list->rules + list->head); - - /* Default some values. */ - rule->headroom = 2; - rule->tailroom = 0; - rule->capacity = 16384; - - /* Save the bucket info. */ - rule->bucket_mask = num_buckets - 1; - rule->bucket_first = bucket; - - for (i = 8 - 1; i >= 0; i--) { - int maybe = - stacks ? stacks->stacks[i] : rules->context->__stacks. - stacks[i]; - if (maybe != 255) - stack = maybe; - rule->stacks.stacks[i] = stack; - } - - if (stack == 255) - return GXIO_MPIPE_ERR_RULES_INVALID; - - /* NOTE: Only entries at the end of the array can be 255. */ - for (i = 8 - 1; i > 0; i--) { - if (rule->stacks.stacks[i] == 255) { - rule->stacks.stacks[i] = stack; - rule->capacity = - gxio_mpipe_buffer_size_enum_to_buffer_size(i - - 1); - } - } - - rule->size = sizeof(*rule); - list->tail = list->head + rule->size; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_rules_begin); - -int gxio_mpipe_rules_add_channel(gxio_mpipe_rules_t *rules, - unsigned int channel) -{ - gxio_mpipe_rules_list_t *list = &rules->list; - - gxio_mpipe_rules_rule_t *rule = - (gxio_mpipe_rules_rule_t *) (list->rules + list->head); - - /* Verify channel. */ - if (channel >= 32) - return GXIO_MPIPE_ERR_RULES_INVALID; - - /* Verify begun. */ - if (list->tail == 0) - return GXIO_MPIPE_ERR_RULES_EMPTY; - - rule->channel_bits |= (1UL << channel); - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_rules_add_channel); - -int gxio_mpipe_rules_set_headroom(gxio_mpipe_rules_t *rules, uint8_t headroom) -{ - gxio_mpipe_rules_list_t *list = &rules->list; - - gxio_mpipe_rules_rule_t *rule = - (gxio_mpipe_rules_rule_t *) (list->rules + list->head); - - /* Verify begun. */ - if (list->tail == 0) - return GXIO_MPIPE_ERR_RULES_EMPTY; - - rule->headroom = headroom; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_rules_set_headroom); - -int gxio_mpipe_rules_commit(gxio_mpipe_rules_t *rules) -{ - gxio_mpipe_rules_list_t *list = &rules->list; - unsigned int size = - offsetof(gxio_mpipe_rules_list_t, rules) + list->tail; - return gxio_mpipe_commit_rules(rules->context, list, size); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_rules_commit); - -int gxio_mpipe_iqueue_init(gxio_mpipe_iqueue_t *iqueue, - gxio_mpipe_context_t *context, - unsigned int ring, - void *mem, size_t mem_size, unsigned int mem_flags) -{ - /* The init call below will verify that "mem_size" is legal. */ - unsigned int num_entries = mem_size / sizeof(gxio_mpipe_idesc_t); - - iqueue->context = context; - iqueue->idescs = (gxio_mpipe_idesc_t *)mem; - iqueue->ring = ring; - iqueue->num_entries = num_entries; - iqueue->mask_num_entries = num_entries - 1; - iqueue->log2_num_entries = __builtin_ctz(num_entries); - iqueue->head = 1; -#ifdef __BIG_ENDIAN__ - iqueue->swapped = 0; -#endif - - /* Initialize the "tail". */ - __gxio_mmio_write(mem, iqueue->head); - - return gxio_mpipe_init_notif_ring(context, ring, mem, mem_size, - mem_flags); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_iqueue_init); - -int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue, - gxio_mpipe_context_t *context, - unsigned int ering, - unsigned int channel, - void *mem, unsigned int mem_size, - unsigned int mem_flags) -{ - /* The init call below will verify that "mem_size" is legal. */ - unsigned int num_entries = mem_size / sizeof(gxio_mpipe_edesc_t); - - /* Offset used to read number of completed commands. */ - MPIPE_EDMA_POST_REGION_ADDR_t offset; - - int result = gxio_mpipe_init_edma_ring(context, ering, channel, - mem, mem_size, mem_flags); - if (result < 0) - return result; - - memset(equeue, 0, sizeof(*equeue)); - - offset.word = 0; - offset.region = - MPIPE_MMIO_ADDR__REGION_VAL_EDMA - - MPIPE_MMIO_ADDR__REGION_VAL_IDMA; - offset.ring = ering; - - __gxio_dma_queue_init(&equeue->dma_queue, - context->mmio_fast_base + offset.word, - num_entries); - equeue->edescs = mem; - equeue->mask_num_entries = num_entries - 1; - equeue->log2_num_entries = __builtin_ctz(num_entries); - equeue->context = context; - equeue->ering = ering; - equeue->channel = channel; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_equeue_init); - -int gxio_mpipe_set_timestamp(gxio_mpipe_context_t *context, - const struct timespec64 *ts) -{ - cycles_t cycles = get_cycles(); - return gxio_mpipe_set_timestamp_aux(context, (uint64_t)ts->tv_sec, - (uint64_t)ts->tv_nsec, - (uint64_t)cycles); -} -EXPORT_SYMBOL_GPL(gxio_mpipe_set_timestamp); - -int gxio_mpipe_get_timestamp(gxio_mpipe_context_t *context, - struct timespec64 *ts) -{ - int ret; - cycles_t cycles_prev, cycles_now, clock_rate; - cycles_prev = get_cycles(); - ret = gxio_mpipe_get_timestamp_aux(context, (uint64_t *)&ts->tv_sec, - (uint64_t *)&ts->tv_nsec, - (uint64_t *)&cycles_now); - if (ret < 0) { - return ret; - } - - clock_rate = get_clock_rate(); - ts->tv_nsec -= (cycles_now - cycles_prev) * 1000000000LL / clock_rate; - if (ts->tv_nsec < 0) { - ts->tv_nsec += 1000000000LL; - ts->tv_sec -= 1; - } - return ret; -} -EXPORT_SYMBOL_GPL(gxio_mpipe_get_timestamp); - -int gxio_mpipe_adjust_timestamp(gxio_mpipe_context_t *context, int64_t delta) -{ - return gxio_mpipe_adjust_timestamp_aux(context, delta); -} -EXPORT_SYMBOL_GPL(gxio_mpipe_adjust_timestamp); - -/* Get our internal context used for link name access. This context is - * special in that it is not associated with an mPIPE service domain. - */ -static gxio_mpipe_context_t *_gxio_get_link_context(void) -{ - static gxio_mpipe_context_t context; - static gxio_mpipe_context_t *contextp; - static int tried_open = 0; - static DEFINE_MUTEX(mutex); - - mutex_lock(&mutex); - - if (!tried_open) { - int i = 0; - tried_open = 1; - - /* - * "4" here is the maximum possible number of mPIPE shims; it's - * an exaggeration but we shouldn't ever go beyond 2 anyway. - */ - for (i = 0; i < 4; i++) { - char file[80]; - - snprintf(file, sizeof(file), "mpipe/%d/iorpc_info", i); - context.fd = hv_dev_open((HV_VirtAddr) file, 0); - if (context.fd < 0) - continue; - - contextp = &context; - break; - } - } - - mutex_unlock(&mutex); - - return contextp; -} - -int gxio_mpipe_link_instance(const char *link_name) -{ - _gxio_mpipe_link_name_t name; - gxio_mpipe_context_t *context = _gxio_get_link_context(); - - if (!context) - return GXIO_ERR_NO_DEVICE; - - if (strscpy(name.name, link_name, sizeof(name.name)) < 0) - return GXIO_ERR_NO_DEVICE; - - return gxio_mpipe_info_instance_aux(context, name); -} -EXPORT_SYMBOL_GPL(gxio_mpipe_link_instance); - -int gxio_mpipe_link_enumerate_mac(int idx, char *link_name, uint8_t *link_mac) -{ - int rv; - _gxio_mpipe_link_name_t name; - _gxio_mpipe_link_mac_t mac; - - gxio_mpipe_context_t *context = _gxio_get_link_context(); - if (!context) - return GXIO_ERR_NO_DEVICE; - - rv = gxio_mpipe_info_enumerate_aux(context, idx, &name, &mac); - if (rv >= 0) { - if (strscpy(link_name, name.name, sizeof(name.name)) < 0) - return GXIO_ERR_INVAL_MEMORY_SIZE; - memcpy(link_mac, mac.mac, sizeof(mac.mac)); - } - - return rv; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_link_enumerate_mac); - -int gxio_mpipe_link_open(gxio_mpipe_link_t *link, - gxio_mpipe_context_t *context, const char *link_name, - unsigned int flags) -{ - _gxio_mpipe_link_name_t name; - int rv; - - if (strscpy(name.name, link_name, sizeof(name.name)) < 0) - return GXIO_ERR_NO_DEVICE; - - rv = gxio_mpipe_link_open_aux(context, name, flags); - if (rv < 0) - return rv; - - link->context = context; - link->channel = rv >> 8; - link->mac = rv & 0xFF; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_link_open); - -int gxio_mpipe_link_close(gxio_mpipe_link_t *link) -{ - return gxio_mpipe_link_close_aux(link->context, link->mac); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_link_close); - -int gxio_mpipe_link_set_attr(gxio_mpipe_link_t *link, uint32_t attr, - int64_t val) -{ - return gxio_mpipe_link_set_attr_aux(link->context, link->mac, attr, - val); -} - -EXPORT_SYMBOL_GPL(gxio_mpipe_link_set_attr); diff --git a/arch/tile/gxio/trio.c b/arch/tile/gxio/trio.c deleted file mode 100644 index 69f0b8df3ce3..000000000000 --- a/arch/tile/gxio/trio.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* - * Implementation of trio gxio calls. - */ - -#include <linux/errno.h> -#include <linux/io.h> -#include <linux/module.h> - -#include <gxio/trio.h> -#include <gxio/iorpc_globals.h> -#include <gxio/iorpc_trio.h> -#include <gxio/kiorpc.h> - -int gxio_trio_init(gxio_trio_context_t *context, unsigned int trio_index) -{ - char file[32]; - int fd; - - snprintf(file, sizeof(file), "trio/%d/iorpc", trio_index); - fd = hv_dev_open((HV_VirtAddr) file, 0); - if (fd < 0) { - context->fd = -1; - - if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) - return fd; - else - return -ENODEV; - } - - context->fd = fd; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_trio_init); diff --git a/arch/tile/gxio/uart.c b/arch/tile/gxio/uart.c deleted file mode 100644 index ba585175ef88..000000000000 --- a/arch/tile/gxio/uart.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright 2013 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* - * Implementation of UART gxio calls. - */ - -#include <linux/io.h> -#include <linux/errno.h> -#include <linux/module.h> - -#include <gxio/uart.h> -#include <gxio/iorpc_globals.h> -#include <gxio/iorpc_uart.h> -#include <gxio/kiorpc.h> - -int gxio_uart_init(gxio_uart_context_t *context, int uart_index) -{ - char file[32]; - int fd; - - snprintf(file, sizeof(file), "uart/%d/iorpc", uart_index); - fd = hv_dev_open((HV_VirtAddr) file, 0); - if (fd < 0) { - if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) - return fd; - else - return -ENODEV; - } - - context->fd = fd; - - /* Map in the MMIO space. */ - context->mmio_base = (void __force *) - iorpc_ioremap(fd, HV_UART_MMIO_OFFSET, HV_UART_MMIO_SIZE); - - if (context->mmio_base == NULL) { - hv_dev_close(context->fd); - context->fd = -1; - return -ENODEV; - } - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_uart_init); - -int gxio_uart_destroy(gxio_uart_context_t *context) -{ - iounmap((void __force __iomem *)(context->mmio_base)); - hv_dev_close(context->fd); - - context->mmio_base = NULL; - context->fd = -1; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_uart_destroy); - -/* UART register write wrapper. */ -void gxio_uart_write(gxio_uart_context_t *context, uint64_t offset, - uint64_t word) -{ - __gxio_mmio_write(context->mmio_base + offset, word); -} - -EXPORT_SYMBOL_GPL(gxio_uart_write); - -/* UART register read wrapper. */ -uint64_t gxio_uart_read(gxio_uart_context_t *context, uint64_t offset) -{ - return __gxio_mmio_read(context->mmio_base + offset); -} - -EXPORT_SYMBOL_GPL(gxio_uart_read); diff --git a/arch/tile/gxio/usb_host.c b/arch/tile/gxio/usb_host.c deleted file mode 100644 index 785afad7922e..000000000000 --- a/arch/tile/gxio/usb_host.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* - * - * Implementation of USB gxio calls. - */ - -#include <linux/io.h> -#include <linux/errno.h> -#include <linux/module.h> - -#include <gxio/iorpc_globals.h> -#include <gxio/iorpc_usb_host.h> -#include <gxio/kiorpc.h> -#include <gxio/usb_host.h> - -int gxio_usb_host_init(gxio_usb_host_context_t *context, int usb_index, - int is_ehci) -{ - char file[32]; - int fd; - - if (is_ehci) - snprintf(file, sizeof(file), "usb_host/%d/iorpc/ehci", - usb_index); - else - snprintf(file, sizeof(file), "usb_host/%d/iorpc/ohci", - usb_index); - - fd = hv_dev_open((HV_VirtAddr) file, 0); - if (fd < 0) { - if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) - return fd; - else - return -ENODEV; - } - - context->fd = fd; - - // Map in the MMIO space. - context->mmio_base = - (void __force *)iorpc_ioremap(fd, 0, HV_USB_HOST_MMIO_SIZE); - - if (context->mmio_base == NULL) { - hv_dev_close(context->fd); - return -ENODEV; - } - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_init); - -int gxio_usb_host_destroy(gxio_usb_host_context_t *context) -{ - iounmap((void __force __iomem *)(context->mmio_base)); - hv_dev_close(context->fd); - - context->mmio_base = NULL; - context->fd = -1; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_destroy); - -void *gxio_usb_host_get_reg_start(gxio_usb_host_context_t *context) -{ - return context->mmio_base; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_get_reg_start); - -size_t gxio_usb_host_get_reg_len(gxio_usb_host_context_t *context) -{ - return HV_USB_HOST_MMIO_SIZE; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_get_reg_len); |
