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 */
49 vxge_hal_status_e
__hal_legacy_swapper_set(pci_dev_h pdev,pci_reg_h regh,vxge_hal_legacy_reg_t * legacy_reg)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 */
146 vxge_hal_status_e
__hal_vpath_swapper_set(vxge_hal_device_t * hldev,u32 vp_id)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 */
198 vxge_hal_status_e
__hal_kdfc_swapper_set(vxge_hal_device_t * hldev,u32 vp_id)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