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