1/*- 2 * Copyright(c) 2002-2011 Exar Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification are permitted provided the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Exar Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31/*$FreeBSD$*/ 32 33#include <dev/vxge/vxgehal/vxgehal.h> 34 35/* 36 * _hal_legacy_swapper_set - Set the swapper bits for the legacy secion. 37 * @pdev: PCI device object. 38 * @regh: BAR0 mapped memory handle (Solaris), or simply PCI device @pdev 39 * (Linux and the rest.) 40 * @legacy_reg: Address of the legacy register space. 41 * 42 * Set the swapper bits appropriately for the lagacy section. 43 * 44 * Returns: VXGE_HAL_OK - success. 45 * VXGE_HAL_ERR_SWAPPER_CTRL - failed. 46 * 47 * See also: vxge_hal_status_e {}. 48 */ 49vxge_hal_status_e 50__hal_legacy_swapper_set( 51 pci_dev_h pdev, 52 pci_reg_h regh, 53 vxge_hal_legacy_reg_t *legacy_reg) 54{ 55 u64 val64; 56 vxge_hal_status_e status; 57 58 vxge_assert(legacy_reg != NULL); 59 60 vxge_hal_trace_log_driver("==> %s:%s:%d", 61 __FILE__, __func__, __LINE__); 62 63 vxge_hal_trace_log_driver( 64 "pdev = 0x"VXGE_OS_STXFMT", regh = 0x"VXGE_OS_STXFMT", " 65 "legacy_reg = 0x"VXGE_OS_STXFMT, (ptr_t) pdev, (ptr_t) regh, 66 (ptr_t) legacy_reg); 67 68 val64 = vxge_os_pio_mem_read64(pdev, regh, &legacy_reg->toc_swapper_fb); 69 70 vxge_hal_info_log_driver("TOC Swapper Fb: 0x"VXGE_OS_LLXFMT, val64); 71 72 vxge_os_wmb(); 73 74 switch (val64) { 75 76 case VXGE_HAL_SWAPPER_INITIAL_VALUE: 77 return (VXGE_HAL_OK); 78 79 case VXGE_HAL_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: 80 vxge_os_pio_mem_write64(pdev, regh, 81 VXGE_HAL_SWAPPER_READ_BYTE_SWAP_ENABLE, 82 &legacy_reg->pifm_rd_swap_en); 83 vxge_os_pio_mem_write64(pdev, regh, 84 VXGE_HAL_SWAPPER_READ_BIT_FLAP_ENABLE, 85 &legacy_reg->pifm_rd_flip_en); 86 vxge_os_pio_mem_write64(pdev, regh, 87 VXGE_HAL_SWAPPER_WRITE_BYTE_SWAP_ENABLE, 88 &legacy_reg->pifm_wr_swap_en); 89 vxge_os_pio_mem_write64(pdev, regh, 90 VXGE_HAL_SWAPPER_WRITE_BIT_FLAP_ENABLE, 91 &legacy_reg->pifm_wr_flip_en); 92 break; 93 94 case VXGE_HAL_SWAPPER_BYTE_SWAPPED: 95 vxge_os_pio_mem_write64(pdev, regh, 96 VXGE_HAL_SWAPPER_READ_BYTE_SWAP_ENABLE, 97 &legacy_reg->pifm_rd_swap_en); 98 vxge_os_pio_mem_write64(pdev, regh, 99 VXGE_HAL_SWAPPER_WRITE_BYTE_SWAP_ENABLE, 100 &legacy_reg->pifm_wr_swap_en); 101 break; 102 103 case VXGE_HAL_SWAPPER_BIT_FLIPPED: 104 vxge_os_pio_mem_write64(pdev, regh, 105 VXGE_HAL_SWAPPER_READ_BIT_FLAP_ENABLE, 106 &legacy_reg->pifm_rd_flip_en); 107 vxge_os_pio_mem_write64(pdev, regh, 108 VXGE_HAL_SWAPPER_WRITE_BIT_FLAP_ENABLE, 109 &legacy_reg->pifm_wr_flip_en); 110 break; 111 112 } 113 114 vxge_os_wmb(); 115 116 val64 = vxge_os_pio_mem_read64(pdev, regh, &legacy_reg->toc_swapper_fb); 117 118 if (val64 == VXGE_HAL_SWAPPER_INITIAL_VALUE) { 119 status = VXGE_HAL_OK; 120 } else { 121 vxge_hal_err_log_driver("%s:TOC Swapper setting failed", 122 __func__); 123 status = VXGE_HAL_ERR_SWAPPER_CTRL; 124 } 125 126 vxge_hal_info_log_driver("TOC Swapper Fb: 0x"VXGE_OS_LLXFMT, val64); 127 128 vxge_hal_trace_log_driver("<== %s:%s:%d Result: %d", 129 __FILE__, __func__, __LINE__, status); 130 131 return (status); 132} 133 134/* 135 * __hal_vpath_swapper_set - Set the swapper bits for the vpath. 136 * @hldev: HAL device object. 137 * @vp_id: Vpath Id 138 * 139 * Set the swapper bits appropriately for the vpath. 140 * 141 * Returns: VXGE_HAL_OK - success. 142 * VXGE_HAL_ERR_SWAPPER_CTRL - failed. 143 * 144 * See also: vxge_hal_status_e {}. 145 */ 146vxge_hal_status_e 147__hal_vpath_swapper_set( 148 vxge_hal_device_t *hldev, 149 u32 vp_id) 150{ 151#if !defined(VXGE_OS_HOST_BIG_ENDIAN) 152 u64 val64; 153 vxge_hal_vpath_reg_t *vpath_reg; 154 155 vxge_assert(hldev != NULL); 156 157 vxge_hal_trace_log_vpath("==> %s:%s:%d", 158 __FILE__, __func__, __LINE__); 159 160 vxge_hal_trace_log_vpath( 161 "hldev = 0x"VXGE_OS_STXFMT", vp_id = %d", 162 (ptr_t) hldev, vp_id); 163 164 vpath_reg = ((__hal_device_t *) hldev)->vpath_reg[vp_id]; 165 166 val64 = vxge_os_pio_mem_read64(hldev->pdev, hldev->regh0, 167 &vpath_reg->vpath_general_cfg1); 168 169 vxge_os_wmb(); 170 171 val64 |= VXGE_HAL_VPATH_GENERAL_CFG1_CTL_BYTE_SWAPEN; 172 173 vxge_os_pio_mem_write64(hldev->pdev, hldev->regh0, 174 val64, 175 &vpath_reg->vpath_general_cfg1); 176 vxge_os_wmb(); 177 178 179 vxge_hal_trace_log_vpath("<== %s:%s:%d Result: 0", 180 __FILE__, __func__, __LINE__); 181#endif 182 return (VXGE_HAL_OK); 183} 184 185 186/* 187 * __hal_kdfc_swapper_set - Set the swapper bits for the kdfc. 188 * @hldev: HAL device object. 189 * @vp_id: Vpath Id 190 * 191 * Set the swapper bits appropriately for the vpath. 192 * 193 * Returns: VXGE_HAL_OK - success. 194 * VXGE_HAL_ERR_SWAPPER_CTRL - failed. 195 * 196 * See also: vxge_hal_status_e {}. 197 */ 198vxge_hal_status_e 199__hal_kdfc_swapper_set( 200 vxge_hal_device_t *hldev, 201 u32 vp_id) 202{ 203 u64 val64; 204 vxge_hal_vpath_reg_t *vpath_reg; 205 vxge_hal_legacy_reg_t *legacy_reg; 206 207 vxge_assert(hldev != NULL); 208 209 vxge_hal_trace_log_vpath("==> %s:%s:%d", 210 __FILE__, __func__, __LINE__); 211 212 vxge_hal_trace_log_vpath("hldev = 0x"VXGE_OS_STXFMT", vp_id = %d", 213 (ptr_t) hldev, vp_id); 214 215 vpath_reg = ((__hal_device_t *) hldev)->vpath_reg[vp_id]; 216 legacy_reg = ((__hal_device_t *) hldev)->legacy_reg; 217 218 val64 = vxge_os_pio_mem_read64(hldev->pdev, hldev->regh0, 219 &legacy_reg->pifm_wr_swap_en); 220 221 if (val64 == VXGE_HAL_SWAPPER_WRITE_BYTE_SWAP_ENABLE) { 222 223 val64 = vxge_os_pio_mem_read64(hldev->pdev, hldev->regh0, 224 &vpath_reg->kdfcctl_cfg0); 225 226 vxge_os_wmb(); 227 228 val64 |= VXGE_HAL_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO0 | 229 VXGE_HAL_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO1 | 230 VXGE_HAL_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO2; 231 232 vxge_os_pio_mem_write64(hldev->pdev, hldev->regh0, 233 val64, 234 &vpath_reg->kdfcctl_cfg0); 235 vxge_os_wmb(); 236 237 } 238 239 vxge_hal_trace_log_vpath("<== %s:%s:%d Result: 0", 240 __FILE__, __func__, __LINE__); 241 242 return (VXGE_HAL_OK); 243} 244