/*- * Copyright(c) 2002-2011 Exar Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification are permitted provided the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Exar Corporation nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*$FreeBSD: releng/11.0/sys/dev/vxge/vxgehal/vxgehal-swapper.c 221167 2011-04-28 14:33:15Z gnn $*/ #include /* * _hal_legacy_swapper_set - Set the swapper bits for the legacy secion. * @pdev: PCI device object. * @regh: BAR0 mapped memory handle (Solaris), or simply PCI device @pdev * (Linux and the rest.) * @legacy_reg: Address of the legacy register space. * * Set the swapper bits appropriately for the lagacy section. * * Returns: VXGE_HAL_OK - success. * VXGE_HAL_ERR_SWAPPER_CTRL - failed. * * See also: vxge_hal_status_e {}. */ vxge_hal_status_e __hal_legacy_swapper_set( pci_dev_h pdev, pci_reg_h regh, vxge_hal_legacy_reg_t *legacy_reg) { u64 val64; vxge_hal_status_e status; vxge_assert(legacy_reg != NULL); vxge_hal_trace_log_driver("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_driver( "pdev = 0x"VXGE_OS_STXFMT", regh = 0x"VXGE_OS_STXFMT", " "legacy_reg = 0x"VXGE_OS_STXFMT, (ptr_t) pdev, (ptr_t) regh, (ptr_t) legacy_reg); val64 = vxge_os_pio_mem_read64(pdev, regh, &legacy_reg->toc_swapper_fb); vxge_hal_info_log_driver("TOC Swapper Fb: 0x"VXGE_OS_LLXFMT, val64); vxge_os_wmb(); switch (val64) { case VXGE_HAL_SWAPPER_INITIAL_VALUE: return (VXGE_HAL_OK); case VXGE_HAL_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_READ_BYTE_SWAP_ENABLE, &legacy_reg->pifm_rd_swap_en); vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_READ_BIT_FLAP_ENABLE, &legacy_reg->pifm_rd_flip_en); vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_WRITE_BYTE_SWAP_ENABLE, &legacy_reg->pifm_wr_swap_en); vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_WRITE_BIT_FLAP_ENABLE, &legacy_reg->pifm_wr_flip_en); break; case VXGE_HAL_SWAPPER_BYTE_SWAPPED: vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_READ_BYTE_SWAP_ENABLE, &legacy_reg->pifm_rd_swap_en); vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_WRITE_BYTE_SWAP_ENABLE, &legacy_reg->pifm_wr_swap_en); break; case VXGE_HAL_SWAPPER_BIT_FLIPPED: vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_READ_BIT_FLAP_ENABLE, &legacy_reg->pifm_rd_flip_en); vxge_os_pio_mem_write64(pdev, regh, VXGE_HAL_SWAPPER_WRITE_BIT_FLAP_ENABLE, &legacy_reg->pifm_wr_flip_en); break; } vxge_os_wmb(); val64 = vxge_os_pio_mem_read64(pdev, regh, &legacy_reg->toc_swapper_fb); if (val64 == VXGE_HAL_SWAPPER_INITIAL_VALUE) { status = VXGE_HAL_OK; } else { vxge_hal_err_log_driver("%s:TOC Swapper setting failed", __func__); status = VXGE_HAL_ERR_SWAPPER_CTRL; } vxge_hal_info_log_driver("TOC Swapper Fb: 0x"VXGE_OS_LLXFMT, val64); vxge_hal_trace_log_driver("<== %s:%s:%d Result: %d", __FILE__, __func__, __LINE__, status); return (status); } /* * __hal_vpath_swapper_set - Set the swapper bits for the vpath. * @hldev: HAL device object. * @vp_id: Vpath Id * * Set the swapper bits appropriately for the vpath. * * Returns: VXGE_HAL_OK - success. * VXGE_HAL_ERR_SWAPPER_CTRL - failed. * * See also: vxge_hal_status_e {}. */ vxge_hal_status_e __hal_vpath_swapper_set( vxge_hal_device_t *hldev, u32 vp_id) { #if !defined(VXGE_OS_HOST_BIG_ENDIAN) u64 val64; vxge_hal_vpath_reg_t *vpath_reg; vxge_assert(hldev != NULL); vxge_hal_trace_log_vpath("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_vpath( "hldev = 0x"VXGE_OS_STXFMT", vp_id = %d", (ptr_t) hldev, vp_id); vpath_reg = ((__hal_device_t *) hldev)->vpath_reg[vp_id]; val64 = vxge_os_pio_mem_read64(hldev->pdev, hldev->regh0, &vpath_reg->vpath_general_cfg1); vxge_os_wmb(); val64 |= VXGE_HAL_VPATH_GENERAL_CFG1_CTL_BYTE_SWAPEN; vxge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64, &vpath_reg->vpath_general_cfg1); vxge_os_wmb(); vxge_hal_trace_log_vpath("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); #endif return (VXGE_HAL_OK); } /* * __hal_kdfc_swapper_set - Set the swapper bits for the kdfc. * @hldev: HAL device object. * @vp_id: Vpath Id * * Set the swapper bits appropriately for the vpath. * * Returns: VXGE_HAL_OK - success. * VXGE_HAL_ERR_SWAPPER_CTRL - failed. * * See also: vxge_hal_status_e {}. */ vxge_hal_status_e __hal_kdfc_swapper_set( vxge_hal_device_t *hldev, u32 vp_id) { u64 val64; vxge_hal_vpath_reg_t *vpath_reg; vxge_hal_legacy_reg_t *legacy_reg; vxge_assert(hldev != NULL); vxge_hal_trace_log_vpath("==> %s:%s:%d", __FILE__, __func__, __LINE__); vxge_hal_trace_log_vpath("hldev = 0x"VXGE_OS_STXFMT", vp_id = %d", (ptr_t) hldev, vp_id); vpath_reg = ((__hal_device_t *) hldev)->vpath_reg[vp_id]; legacy_reg = ((__hal_device_t *) hldev)->legacy_reg; val64 = vxge_os_pio_mem_read64(hldev->pdev, hldev->regh0, &legacy_reg->pifm_wr_swap_en); if (val64 == VXGE_HAL_SWAPPER_WRITE_BYTE_SWAP_ENABLE) { val64 = vxge_os_pio_mem_read64(hldev->pdev, hldev->regh0, &vpath_reg->kdfcctl_cfg0); vxge_os_wmb(); val64 |= VXGE_HAL_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO0 | VXGE_HAL_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO1 | VXGE_HAL_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO2; vxge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64, &vpath_reg->kdfcctl_cfg0); vxge_os_wmb(); } vxge_hal_trace_log_vpath("<== %s:%s:%d Result: 0", __FILE__, __func__, __LINE__); return (VXGE_HAL_OK); }