Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Tsi721 PCIExpress-to-SRIO bridge definitions |
| 3 | * |
| 4 | * Copyright 2011, Integrated Device Technology, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the Free |
| 8 | * Software Foundation; either version 2 of the License, or (at your option) |
| 9 | * any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program; if not, write to the Free Software Foundation, Inc., 59 |
| 18 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef __TSI721_H |
| 22 | #define __TSI721_H |
| 23 | |
Alexandre Bounine | 72d8a0d | 2016-03-22 14:26:56 -0700 | [diff] [blame^] | 24 | /* Debug output filtering masks */ |
| 25 | enum { |
| 26 | DBG_NONE = 0, |
| 27 | DBG_INIT = BIT(0), /* driver init */ |
| 28 | DBG_EXIT = BIT(1), /* driver exit */ |
| 29 | DBG_MPORT = BIT(2), /* mport add/remove */ |
| 30 | DBG_MAINT = BIT(3), /* maintenance ops messages */ |
| 31 | DBG_DMA = BIT(4), /* DMA transfer messages */ |
| 32 | DBG_DMAV = BIT(5), /* verbose DMA transfer messages */ |
| 33 | DBG_IBW = BIT(6), /* inbound window */ |
| 34 | DBG_EVENT = BIT(7), /* event handling messages */ |
| 35 | DBG_OBW = BIT(8), /* outbound window messages */ |
| 36 | DBG_DBELL = BIT(9), /* doorbell messages */ |
| 37 | DBG_OMSG = BIT(10), /* doorbell messages */ |
| 38 | DBG_IMSG = BIT(11), /* doorbell messages */ |
| 39 | DBG_ALL = ~0, |
| 40 | }; |
| 41 | |
| 42 | #ifdef DEBUG |
| 43 | extern u32 dbg_level; |
| 44 | |
| 45 | #define tsi_debug(level, dev, fmt, arg...) \ |
| 46 | do { \ |
| 47 | if (DBG_##level & dbg_level) \ |
| 48 | dev_dbg(dev, "%s: " fmt "\n", __func__, ##arg); \ |
| 49 | } while (0) |
| 50 | #else |
| 51 | #define tsi_debug(level, dev, fmt, arg...) \ |
| 52 | no_printk(KERN_DEBUG "%s: " fmt "\n", __func__, ##arg) |
| 53 | #endif |
| 54 | |
| 55 | #define tsi_info(dev, fmt, arg...) \ |
| 56 | dev_info(dev, "%s: " fmt "\n", __func__, ##arg) |
| 57 | |
| 58 | #define tsi_warn(dev, fmt, arg...) \ |
| 59 | dev_warn(dev, "%s: WARNING " fmt "\n", __func__, ##arg) |
| 60 | |
| 61 | #define tsi_err(dev, fmt, arg...) \ |
| 62 | dev_err(dev, "%s: ERROR " fmt "\n", __func__, ##arg) |
| 63 | |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 64 | #define DRV_NAME "tsi721" |
| 65 | |
| 66 | #define DEFAULT_HOPCOUNT 0xff |
| 67 | #define DEFAULT_DESTID 0xff |
| 68 | |
| 69 | /* PCI device ID */ |
| 70 | #define PCI_DEVICE_ID_TSI721 0x80ab |
| 71 | |
| 72 | #define BAR_0 0 |
| 73 | #define BAR_1 1 |
| 74 | #define BAR_2 2 |
| 75 | #define BAR_4 4 |
| 76 | |
| 77 | #define TSI721_PC2SR_BARS 2 |
| 78 | #define TSI721_PC2SR_WINS 8 |
| 79 | #define TSI721_PC2SR_ZONES 8 |
| 80 | #define TSI721_MAINT_WIN 0 /* Window for outbound maintenance requests */ |
| 81 | #define IDB_QUEUE 0 /* Inbound Doorbell Queue to use */ |
| 82 | #define IDB_QSIZE 512 /* Inbound Doorbell Queue size */ |
| 83 | |
| 84 | /* Memory space sizes */ |
| 85 | #define TSI721_REG_SPACE_SIZE (512 * 1024) /* 512K */ |
| 86 | #define TSI721_DB_WIN_SIZE (16 * 1024 * 1024) /* 16MB */ |
| 87 | |
| 88 | #define RIO_TT_CODE_8 0x00000000 |
| 89 | #define RIO_TT_CODE_16 0x00000001 |
| 90 | |
| 91 | #define TSI721_DMA_MAXCH 8 |
| 92 | #define TSI721_DMA_MINSTSSZ 32 |
| 93 | #define TSI721_DMA_STSBLKSZ 8 |
| 94 | |
| 95 | #define TSI721_SRIO_MAXCH 8 |
| 96 | |
| 97 | #define DBELL_SID(buf) (((u8)buf[2] << 8) | (u8)buf[3]) |
| 98 | #define DBELL_TID(buf) (((u8)buf[4] << 8) | (u8)buf[5]) |
| 99 | #define DBELL_INF(buf) (((u8)buf[0] << 8) | (u8)buf[1]) |
| 100 | |
| 101 | #define TSI721_RIO_PW_MSG_SIZE 16 /* Tsi721 saves only 16 bytes of PW msg */ |
| 102 | |
| 103 | /* Register definitions */ |
| 104 | |
| 105 | /* |
| 106 | * Registers in PCIe configuration space |
| 107 | */ |
| 108 | |
| 109 | #define TSI721_PCIECFG_MSIXTBL 0x0a4 |
| 110 | #define TSI721_MSIXTBL_OFFSET 0x2c000 |
| 111 | #define TSI721_PCIECFG_MSIXPBA 0x0a8 |
| 112 | #define TSI721_MSIXPBA_OFFSET 0x2a000 |
| 113 | #define TSI721_PCIECFG_EPCTL 0x400 |
| 114 | |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 115 | /* |
| 116 | * Event Management Registers |
| 117 | */ |
| 118 | |
| 119 | #define TSI721_RIO_EM_INT_STAT 0x10910 |
| 120 | #define TSI721_RIO_EM_INT_STAT_PW_RX 0x00010000 |
| 121 | |
| 122 | #define TSI721_RIO_EM_INT_ENABLE 0x10914 |
| 123 | #define TSI721_RIO_EM_INT_ENABLE_PW_RX 0x00010000 |
| 124 | |
| 125 | #define TSI721_RIO_EM_DEV_INT_EN 0x10930 |
| 126 | #define TSI721_RIO_EM_DEV_INT_EN_INT 0x00000001 |
| 127 | |
| 128 | /* |
| 129 | * Port-Write Block Registers |
| 130 | */ |
| 131 | |
| 132 | #define TSI721_RIO_PW_CTL 0x10a04 |
| 133 | #define TSI721_RIO_PW_CTL_PW_TIMER 0xf0000000 |
| 134 | #define TSI721_RIO_PW_CTL_PWT_DIS (0 << 28) |
| 135 | #define TSI721_RIO_PW_CTL_PWT_103 (1 << 28) |
| 136 | #define TSI721_RIO_PW_CTL_PWT_205 (1 << 29) |
| 137 | #define TSI721_RIO_PW_CTL_PWT_410 (1 << 30) |
| 138 | #define TSI721_RIO_PW_CTL_PWT_820 (1 << 31) |
| 139 | #define TSI721_RIO_PW_CTL_PWC_MODE 0x01000000 |
| 140 | #define TSI721_RIO_PW_CTL_PWC_CONT 0x00000000 |
| 141 | #define TSI721_RIO_PW_CTL_PWC_REL 0x01000000 |
| 142 | |
| 143 | #define TSI721_RIO_PW_RX_STAT 0x10a10 |
| 144 | #define TSI721_RIO_PW_RX_STAT_WR_SIZE 0x0000f000 |
| 145 | #define TSI_RIO_PW_RX_STAT_WDPTR 0x00000100 |
| 146 | #define TSI721_RIO_PW_RX_STAT_PW_SHORT 0x00000008 |
| 147 | #define TSI721_RIO_PW_RX_STAT_PW_TRUNC 0x00000004 |
| 148 | #define TSI721_RIO_PW_RX_STAT_PW_DISC 0x00000002 |
| 149 | #define TSI721_RIO_PW_RX_STAT_PW_VAL 0x00000001 |
| 150 | |
| 151 | #define TSI721_RIO_PW_RX_CAPT(x) (0x10a20 + (x)*4) |
| 152 | |
| 153 | /* |
| 154 | * Inbound Doorbells |
| 155 | */ |
| 156 | |
| 157 | #define TSI721_IDB_ENTRY_SIZE 64 |
| 158 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 159 | #define TSI721_IDQ_CTL(x) (0x20000 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 160 | #define TSI721_IDQ_SUSPEND 0x00000002 |
| 161 | #define TSI721_IDQ_INIT 0x00000001 |
| 162 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 163 | #define TSI721_IDQ_STS(x) (0x20004 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 164 | #define TSI721_IDQ_RUN 0x00200000 |
| 165 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 166 | #define TSI721_IDQ_MASK(x) (0x20008 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 167 | #define TSI721_IDQ_MASK_MASK 0xffff0000 |
| 168 | #define TSI721_IDQ_MASK_PATT 0x0000ffff |
| 169 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 170 | #define TSI721_IDQ_RP(x) (0x2000c + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 171 | #define TSI721_IDQ_RP_PTR 0x0007ffff |
| 172 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 173 | #define TSI721_IDQ_WP(x) (0x20010 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 174 | #define TSI721_IDQ_WP_PTR 0x0007ffff |
| 175 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 176 | #define TSI721_IDQ_BASEL(x) (0x20014 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 177 | #define TSI721_IDQ_BASEL_ADDR 0xffffffc0 |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 178 | #define TSI721_IDQ_BASEU(x) (0x20018 + (x) * 0x1000) |
| 179 | #define TSI721_IDQ_SIZE(x) (0x2001c + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 180 | #define TSI721_IDQ_SIZE_VAL(size) (__fls(size) - 4) |
| 181 | #define TSI721_IDQ_SIZE_MIN 512 |
| 182 | #define TSI721_IDQ_SIZE_MAX (512 * 1024) |
| 183 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 184 | #define TSI721_SR_CHINT(x) (0x20040 + (x) * 0x1000) |
| 185 | #define TSI721_SR_CHINTE(x) (0x20044 + (x) * 0x1000) |
| 186 | #define TSI721_SR_CHINTSET(x) (0x20048 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 187 | #define TSI721_SR_CHINT_ODBOK 0x00000020 |
| 188 | #define TSI721_SR_CHINT_IDBQRCV 0x00000010 |
| 189 | #define TSI721_SR_CHINT_SUSP 0x00000008 |
| 190 | #define TSI721_SR_CHINT_ODBTO 0x00000004 |
| 191 | #define TSI721_SR_CHINT_ODBRTRY 0x00000002 |
| 192 | #define TSI721_SR_CHINT_ODBERR 0x00000001 |
| 193 | #define TSI721_SR_CHINT_ALL 0x0000003f |
| 194 | |
| 195 | #define TSI721_IBWIN_NUM 8 |
| 196 | |
Alexandre Bounine | 71afe34 | 2012-10-04 17:16:00 -0700 | [diff] [blame] | 197 | #define TSI721_IBWIN_LB(x) (0x29000 + (x) * 0x20) |
| 198 | #define TSI721_IBWIN_LB_BA 0xfffff000 |
| 199 | #define TSI721_IBWIN_LB_WEN 0x00000001 |
| 200 | |
| 201 | #define TSI721_IBWIN_UB(x) (0x29004 + (x) * 0x20) |
| 202 | #define TSI721_IBWIN_SZ(x) (0x29008 + (x) * 0x20) |
| 203 | #define TSI721_IBWIN_SZ_SIZE 0x00001f00 |
| 204 | #define TSI721_IBWIN_SIZE(size) (__fls(size) - 12) |
| 205 | |
| 206 | #define TSI721_IBWIN_TLA(x) (0x2900c + (x) * 0x20) |
| 207 | #define TSI721_IBWIN_TLA_ADD 0xfffff000 |
| 208 | #define TSI721_IBWIN_TUA(x) (0x29010 + (x) * 0x20) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 209 | |
| 210 | #define TSI721_SR2PC_GEN_INTE 0x29800 |
| 211 | #define TSI721_SR2PC_PWE 0x29804 |
| 212 | #define TSI721_SR2PC_GEN_INT 0x29808 |
| 213 | |
| 214 | #define TSI721_DEV_INTE 0x29840 |
| 215 | #define TSI721_DEV_INT 0x29844 |
| 216 | #define TSI721_DEV_INTSET 0x29848 |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 217 | #define TSI721_DEV_INT_BDMA_CH 0x00002000 |
| 218 | #define TSI721_DEV_INT_BDMA_NCH 0x00001000 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 219 | #define TSI721_DEV_INT_SMSG_CH 0x00000800 |
| 220 | #define TSI721_DEV_INT_SMSG_NCH 0x00000400 |
| 221 | #define TSI721_DEV_INT_SR2PC_CH 0x00000200 |
| 222 | #define TSI721_DEV_INT_SRIO 0x00000020 |
| 223 | |
| 224 | #define TSI721_DEV_CHAN_INTE 0x2984c |
| 225 | #define TSI721_DEV_CHAN_INT 0x29850 |
| 226 | |
| 227 | #define TSI721_INT_SR2PC_CHAN_M 0xff000000 |
| 228 | #define TSI721_INT_SR2PC_CHAN(x) (1 << (24 + (x))) |
| 229 | #define TSI721_INT_IMSG_CHAN_M 0x00ff0000 |
| 230 | #define TSI721_INT_IMSG_CHAN(x) (1 << (16 + (x))) |
| 231 | #define TSI721_INT_OMSG_CHAN_M 0x0000ff00 |
| 232 | #define TSI721_INT_OMSG_CHAN(x) (1 << (8 + (x))) |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 233 | #define TSI721_INT_BDMA_CHAN_M 0x000000ff |
| 234 | #define TSI721_INT_BDMA_CHAN(x) (1 << (x)) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 235 | |
| 236 | /* |
| 237 | * PC2SR block registers |
| 238 | */ |
| 239 | #define TSI721_OBWIN_NUM TSI721_PC2SR_WINS |
| 240 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 241 | #define TSI721_OBWINLB(x) (0x40000 + (x) * 0x20) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 242 | #define TSI721_OBWINLB_BA 0xffff8000 |
| 243 | #define TSI721_OBWINLB_WEN 0x00000001 |
| 244 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 245 | #define TSI721_OBWINUB(x) (0x40004 + (x) * 0x20) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 246 | |
Alexandre Bounine | 9bbad7d | 2012-03-15 15:17:09 -0700 | [diff] [blame] | 247 | #define TSI721_OBWINSZ(x) (0x40008 + (x) * 0x20) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 248 | #define TSI721_OBWINSZ_SIZE 0x00001f00 |
| 249 | #define TSI721_OBWIN_SIZE(size) (__fls(size) - 15) |
| 250 | |
| 251 | #define TSI721_ZONE_SEL 0x41300 |
| 252 | #define TSI721_ZONE_SEL_RD_WRB 0x00020000 |
| 253 | #define TSI721_ZONE_SEL_GO 0x00010000 |
| 254 | #define TSI721_ZONE_SEL_WIN 0x00000038 |
| 255 | #define TSI721_ZONE_SEL_ZONE 0x00000007 |
| 256 | |
| 257 | #define TSI721_LUT_DATA0 0x41304 |
| 258 | #define TSI721_LUT_DATA0_ADD 0xfffff000 |
| 259 | #define TSI721_LUT_DATA0_RDTYPE 0x00000f00 |
| 260 | #define TSI721_LUT_DATA0_NREAD 0x00000100 |
| 261 | #define TSI721_LUT_DATA0_MNTRD 0x00000200 |
| 262 | #define TSI721_LUT_DATA0_RDCRF 0x00000020 |
| 263 | #define TSI721_LUT_DATA0_WRCRF 0x00000010 |
| 264 | #define TSI721_LUT_DATA0_WRTYPE 0x0000000f |
| 265 | #define TSI721_LUT_DATA0_NWR 0x00000001 |
| 266 | #define TSI721_LUT_DATA0_MNTWR 0x00000002 |
| 267 | #define TSI721_LUT_DATA0_NWR_R 0x00000004 |
| 268 | |
| 269 | #define TSI721_LUT_DATA1 0x41308 |
| 270 | |
| 271 | #define TSI721_LUT_DATA2 0x4130c |
| 272 | #define TSI721_LUT_DATA2_HC 0xff000000 |
| 273 | #define TSI721_LUT_DATA2_ADD65 0x000c0000 |
| 274 | #define TSI721_LUT_DATA2_TT 0x00030000 |
| 275 | #define TSI721_LUT_DATA2_DSTID 0x0000ffff |
| 276 | |
| 277 | #define TSI721_PC2SR_INTE 0x41310 |
| 278 | |
| 279 | #define TSI721_DEVCTL 0x48004 |
| 280 | #define TSI721_DEVCTL_SRBOOT_CMPL 0x00000004 |
| 281 | |
| 282 | #define TSI721_I2C_INT_ENABLE 0x49120 |
| 283 | |
| 284 | /* |
| 285 | * Block DMA Engine Registers |
| 286 | * x = 0..7 |
| 287 | */ |
| 288 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 289 | #define TSI721_DMAC_BASE(x) (0x51000 + (x) * 0x1000) |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 290 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 291 | #define TSI721_DMAC_DWRCNT 0x000 |
| 292 | #define TSI721_DMAC_DRDCNT 0x004 |
| 293 | |
| 294 | #define TSI721_DMAC_CTL 0x008 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 295 | #define TSI721_DMAC_CTL_SUSP 0x00000002 |
| 296 | #define TSI721_DMAC_CTL_INIT 0x00000001 |
| 297 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 298 | #define TSI721_DMAC_INT 0x00c |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 299 | #define TSI721_DMAC_INT_STFULL 0x00000010 |
| 300 | #define TSI721_DMAC_INT_DONE 0x00000008 |
| 301 | #define TSI721_DMAC_INT_SUSP 0x00000004 |
| 302 | #define TSI721_DMAC_INT_ERR 0x00000002 |
| 303 | #define TSI721_DMAC_INT_IOFDONE 0x00000001 |
| 304 | #define TSI721_DMAC_INT_ALL 0x0000001f |
| 305 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 306 | #define TSI721_DMAC_INTSET 0x010 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 307 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 308 | #define TSI721_DMAC_STS 0x014 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 309 | #define TSI721_DMAC_STS_ABORT 0x00400000 |
| 310 | #define TSI721_DMAC_STS_RUN 0x00200000 |
| 311 | #define TSI721_DMAC_STS_CS 0x001f0000 |
| 312 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 313 | #define TSI721_DMAC_INTE 0x018 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 314 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 315 | #define TSI721_DMAC_DPTRL 0x024 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 316 | #define TSI721_DMAC_DPTRL_MASK 0xffffffe0 |
| 317 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 318 | #define TSI721_DMAC_DPTRH 0x028 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 319 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 320 | #define TSI721_DMAC_DSBL 0x02c |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 321 | #define TSI721_DMAC_DSBL_MASK 0xffffffc0 |
| 322 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 323 | #define TSI721_DMAC_DSBH 0x030 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 324 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 325 | #define TSI721_DMAC_DSSZ 0x034 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 326 | #define TSI721_DMAC_DSSZ_SIZE_M 0x0000000f |
| 327 | #define TSI721_DMAC_DSSZ_SIZE(size) (__fls(size) - 4) |
| 328 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 329 | #define TSI721_DMAC_DSRP 0x038 |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 330 | #define TSI721_DMAC_DSRP_MASK 0x0007ffff |
| 331 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 332 | #define TSI721_DMAC_DSWP 0x03c |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 333 | #define TSI721_DMAC_DSWP_MASK 0x0007ffff |
| 334 | |
| 335 | #define TSI721_BDMA_INTE 0x5f000 |
| 336 | |
| 337 | /* |
| 338 | * Messaging definitions |
| 339 | */ |
| 340 | #define TSI721_MSG_BUFFER_SIZE RIO_MAX_MSG_SIZE |
| 341 | #define TSI721_MSG_MAX_SIZE RIO_MAX_MSG_SIZE |
| 342 | #define TSI721_IMSG_MAXCH 8 |
| 343 | #define TSI721_IMSG_CHNUM TSI721_IMSG_MAXCH |
| 344 | #define TSI721_IMSGD_MIN_RING_SIZE 32 |
| 345 | #define TSI721_IMSGD_RING_SIZE 512 |
| 346 | |
| 347 | #define TSI721_OMSG_CHNUM 4 /* One channel per MBOX */ |
| 348 | #define TSI721_OMSGD_MIN_RING_SIZE 32 |
| 349 | #define TSI721_OMSGD_RING_SIZE 512 |
| 350 | |
| 351 | /* |
| 352 | * Outbound Messaging Engine Registers |
| 353 | * x = 0..7 |
| 354 | */ |
| 355 | |
| 356 | #define TSI721_OBDMAC_DWRCNT(x) (0x61000 + (x) * 0x1000) |
| 357 | |
| 358 | #define TSI721_OBDMAC_DRDCNT(x) (0x61004 + (x) * 0x1000) |
| 359 | |
| 360 | #define TSI721_OBDMAC_CTL(x) (0x61008 + (x) * 0x1000) |
| 361 | #define TSI721_OBDMAC_CTL_MASK 0x00000007 |
| 362 | #define TSI721_OBDMAC_CTL_RETRY_THR 0x00000004 |
| 363 | #define TSI721_OBDMAC_CTL_SUSPEND 0x00000002 |
| 364 | #define TSI721_OBDMAC_CTL_INIT 0x00000001 |
| 365 | |
| 366 | #define TSI721_OBDMAC_INT(x) (0x6100c + (x) * 0x1000) |
| 367 | #define TSI721_OBDMAC_INTSET(x) (0x61010 + (x) * 0x1000) |
| 368 | #define TSI721_OBDMAC_INTE(x) (0x61018 + (x) * 0x1000) |
| 369 | #define TSI721_OBDMAC_INT_MASK 0x0000001F |
| 370 | #define TSI721_OBDMAC_INT_ST_FULL 0x00000010 |
| 371 | #define TSI721_OBDMAC_INT_DONE 0x00000008 |
| 372 | #define TSI721_OBDMAC_INT_SUSPENDED 0x00000004 |
| 373 | #define TSI721_OBDMAC_INT_ERROR 0x00000002 |
| 374 | #define TSI721_OBDMAC_INT_IOF_DONE 0x00000001 |
| 375 | #define TSI721_OBDMAC_INT_ALL TSI721_OBDMAC_INT_MASK |
| 376 | |
| 377 | #define TSI721_OBDMAC_STS(x) (0x61014 + (x) * 0x1000) |
| 378 | #define TSI721_OBDMAC_STS_MASK 0x007f0000 |
| 379 | #define TSI721_OBDMAC_STS_ABORT 0x00400000 |
| 380 | #define TSI721_OBDMAC_STS_RUN 0x00200000 |
| 381 | #define TSI721_OBDMAC_STS_CS 0x001f0000 |
| 382 | |
| 383 | #define TSI721_OBDMAC_PWE(x) (0x6101c + (x) * 0x1000) |
| 384 | #define TSI721_OBDMAC_PWE_MASK 0x00000002 |
| 385 | #define TSI721_OBDMAC_PWE_ERROR_EN 0x00000002 |
| 386 | |
| 387 | #define TSI721_OBDMAC_DPTRL(x) (0x61020 + (x) * 0x1000) |
| 388 | #define TSI721_OBDMAC_DPTRL_MASK 0xfffffff0 |
| 389 | |
| 390 | #define TSI721_OBDMAC_DPTRH(x) (0x61024 + (x) * 0x1000) |
| 391 | #define TSI721_OBDMAC_DPTRH_MASK 0xffffffff |
| 392 | |
| 393 | #define TSI721_OBDMAC_DSBL(x) (0x61040 + (x) * 0x1000) |
| 394 | #define TSI721_OBDMAC_DSBL_MASK 0xffffffc0 |
| 395 | |
| 396 | #define TSI721_OBDMAC_DSBH(x) (0x61044 + (x) * 0x1000) |
| 397 | #define TSI721_OBDMAC_DSBH_MASK 0xffffffff |
| 398 | |
| 399 | #define TSI721_OBDMAC_DSSZ(x) (0x61048 + (x) * 0x1000) |
| 400 | #define TSI721_OBDMAC_DSSZ_MASK 0x0000000f |
| 401 | |
| 402 | #define TSI721_OBDMAC_DSRP(x) (0x6104c + (x) * 0x1000) |
| 403 | #define TSI721_OBDMAC_DSRP_MASK 0x0007ffff |
| 404 | |
| 405 | #define TSI721_OBDMAC_DSWP(x) (0x61050 + (x) * 0x1000) |
| 406 | #define TSI721_OBDMAC_DSWP_MASK 0x0007ffff |
| 407 | |
| 408 | #define TSI721_RQRPTO 0x60010 |
| 409 | #define TSI721_RQRPTO_MASK 0x00ffffff |
| 410 | #define TSI721_RQRPTO_VAL 400 /* Response TO value */ |
| 411 | |
| 412 | /* |
| 413 | * Inbound Messaging Engine Registers |
| 414 | * x = 0..7 |
| 415 | */ |
| 416 | |
| 417 | #define TSI721_IB_DEVID_GLOBAL 0xffff |
| 418 | #define TSI721_IBDMAC_FQBL(x) (0x61200 + (x) * 0x1000) |
| 419 | #define TSI721_IBDMAC_FQBL_MASK 0xffffffc0 |
| 420 | |
| 421 | #define TSI721_IBDMAC_FQBH(x) (0x61204 + (x) * 0x1000) |
| 422 | #define TSI721_IBDMAC_FQBH_MASK 0xffffffff |
| 423 | |
| 424 | #define TSI721_IBDMAC_FQSZ_ENTRY_INX TSI721_IMSGD_RING_SIZE |
| 425 | #define TSI721_IBDMAC_FQSZ(x) (0x61208 + (x) * 0x1000) |
| 426 | #define TSI721_IBDMAC_FQSZ_MASK 0x0000000f |
| 427 | |
| 428 | #define TSI721_IBDMAC_FQRP(x) (0x6120c + (x) * 0x1000) |
| 429 | #define TSI721_IBDMAC_FQRP_MASK 0x0007ffff |
| 430 | |
| 431 | #define TSI721_IBDMAC_FQWP(x) (0x61210 + (x) * 0x1000) |
| 432 | #define TSI721_IBDMAC_FQWP_MASK 0x0007ffff |
| 433 | |
| 434 | #define TSI721_IBDMAC_FQTH(x) (0x61214 + (x) * 0x1000) |
| 435 | #define TSI721_IBDMAC_FQTH_MASK 0x0007ffff |
| 436 | |
| 437 | #define TSI721_IB_DEVID 0x60020 |
| 438 | #define TSI721_IB_DEVID_MASK 0x0000ffff |
| 439 | |
| 440 | #define TSI721_IBDMAC_CTL(x) (0x61240 + (x) * 0x1000) |
| 441 | #define TSI721_IBDMAC_CTL_MASK 0x00000003 |
| 442 | #define TSI721_IBDMAC_CTL_SUSPEND 0x00000002 |
| 443 | #define TSI721_IBDMAC_CTL_INIT 0x00000001 |
| 444 | |
| 445 | #define TSI721_IBDMAC_STS(x) (0x61244 + (x) * 0x1000) |
| 446 | #define TSI721_IBDMAC_STS_MASK 0x007f0000 |
| 447 | #define TSI721_IBSMAC_STS_ABORT 0x00400000 |
| 448 | #define TSI721_IBSMAC_STS_RUN 0x00200000 |
| 449 | #define TSI721_IBSMAC_STS_CS 0x001f0000 |
| 450 | |
| 451 | #define TSI721_IBDMAC_INT(x) (0x61248 + (x) * 0x1000) |
| 452 | #define TSI721_IBDMAC_INTSET(x) (0x6124c + (x) * 0x1000) |
| 453 | #define TSI721_IBDMAC_INTE(x) (0x61250 + (x) * 0x1000) |
| 454 | #define TSI721_IBDMAC_INT_MASK 0x0000100f |
| 455 | #define TSI721_IBDMAC_INT_SRTO 0x00001000 |
| 456 | #define TSI721_IBDMAC_INT_SUSPENDED 0x00000008 |
| 457 | #define TSI721_IBDMAC_INT_PC_ERROR 0x00000004 |
| 458 | #define TSI721_IBDMAC_INT_FQ_LOW 0x00000002 |
| 459 | #define TSI721_IBDMAC_INT_DQ_RCV 0x00000001 |
| 460 | #define TSI721_IBDMAC_INT_ALL TSI721_IBDMAC_INT_MASK |
| 461 | |
| 462 | #define TSI721_IBDMAC_PWE(x) (0x61254 + (x) * 0x1000) |
| 463 | #define TSI721_IBDMAC_PWE_MASK 0x00001700 |
| 464 | #define TSI721_IBDMAC_PWE_SRTO 0x00001000 |
| 465 | #define TSI721_IBDMAC_PWE_ILL_FMT 0x00000400 |
| 466 | #define TSI721_IBDMAC_PWE_ILL_DEC 0x00000200 |
| 467 | #define TSI721_IBDMAC_PWE_IMP_SP 0x00000100 |
| 468 | |
| 469 | #define TSI721_IBDMAC_DQBL(x) (0x61300 + (x) * 0x1000) |
| 470 | #define TSI721_IBDMAC_DQBL_MASK 0xffffffc0 |
| 471 | #define TSI721_IBDMAC_DQBL_ADDR 0xffffffc0 |
| 472 | |
| 473 | #define TSI721_IBDMAC_DQBH(x) (0x61304 + (x) * 0x1000) |
| 474 | #define TSI721_IBDMAC_DQBH_MASK 0xffffffff |
| 475 | |
| 476 | #define TSI721_IBDMAC_DQRP(x) (0x61308 + (x) * 0x1000) |
| 477 | #define TSI721_IBDMAC_DQRP_MASK 0x0007ffff |
| 478 | |
| 479 | #define TSI721_IBDMAC_DQWR(x) (0x6130c + (x) * 0x1000) |
| 480 | #define TSI721_IBDMAC_DQWR_MASK 0x0007ffff |
| 481 | |
| 482 | #define TSI721_IBDMAC_DQSZ(x) (0x61314 + (x) * 0x1000) |
| 483 | #define TSI721_IBDMAC_DQSZ_MASK 0x0000000f |
| 484 | |
| 485 | /* |
| 486 | * Messaging Engine Interrupts |
| 487 | */ |
| 488 | |
| 489 | #define TSI721_SMSG_PWE 0x6a004 |
| 490 | |
| 491 | #define TSI721_SMSG_INTE 0x6a000 |
| 492 | #define TSI721_SMSG_INT 0x6a008 |
| 493 | #define TSI721_SMSG_INTSET 0x6a010 |
| 494 | #define TSI721_SMSG_INT_MASK 0x0086ffff |
| 495 | #define TSI721_SMSG_INT_UNS_RSP 0x00800000 |
| 496 | #define TSI721_SMSG_INT_ECC_NCOR 0x00040000 |
| 497 | #define TSI721_SMSG_INT_ECC_COR 0x00020000 |
| 498 | #define TSI721_SMSG_INT_ECC_NCOR_CH 0x0000ff00 |
| 499 | #define TSI721_SMSG_INT_ECC_COR_CH 0x000000ff |
| 500 | |
| 501 | #define TSI721_SMSG_ECC_LOG 0x6a014 |
| 502 | #define TSI721_SMSG_ECC_LOG_MASK 0x00070007 |
| 503 | #define TSI721_SMSG_ECC_LOG_ECC_NCOR_M 0x00070000 |
| 504 | #define TSI721_SMSG_ECC_LOG_ECC_COR_M 0x00000007 |
| 505 | |
| 506 | #define TSI721_RETRY_GEN_CNT 0x6a100 |
| 507 | #define TSI721_RETRY_GEN_CNT_MASK 0xffffffff |
| 508 | |
| 509 | #define TSI721_RETRY_RX_CNT 0x6a104 |
| 510 | #define TSI721_RETRY_RX_CNT_MASK 0xffffffff |
| 511 | |
| 512 | #define TSI721_SMSG_ECC_COR_LOG(x) (0x6a300 + (x) * 4) |
| 513 | #define TSI721_SMSG_ECC_COR_LOG_MASK 0x000000ff |
| 514 | |
| 515 | #define TSI721_SMSG_ECC_NCOR(x) (0x6a340 + (x) * 4) |
| 516 | #define TSI721_SMSG_ECC_NCOR_MASK 0x000000ff |
| 517 | |
| 518 | /* |
| 519 | * Block DMA Descriptors |
| 520 | */ |
| 521 | |
| 522 | struct tsi721_dma_desc { |
| 523 | __le32 type_id; |
| 524 | |
| 525 | #define TSI721_DMAD_DEVID 0x0000ffff |
| 526 | #define TSI721_DMAD_CRF 0x00010000 |
| 527 | #define TSI721_DMAD_PRIO 0x00060000 |
| 528 | #define TSI721_DMAD_RTYPE 0x00780000 |
| 529 | #define TSI721_DMAD_IOF 0x08000000 |
| 530 | #define TSI721_DMAD_DTYPE 0xe0000000 |
| 531 | |
| 532 | __le32 bcount; |
| 533 | |
| 534 | #define TSI721_DMAD_BCOUNT1 0x03ffffff /* if DTYPE == 1 */ |
| 535 | #define TSI721_DMAD_BCOUNT2 0x0000000f /* if DTYPE == 2 */ |
| 536 | #define TSI721_DMAD_TT 0x0c000000 |
| 537 | #define TSI721_DMAD_RADDR0 0xc0000000 |
| 538 | |
| 539 | union { |
| 540 | __le32 raddr_lo; /* if DTYPE == (1 || 2) */ |
| 541 | __le32 next_lo; /* if DTYPE == 3 */ |
| 542 | }; |
| 543 | |
| 544 | #define TSI721_DMAD_CFGOFF 0x00ffffff |
| 545 | #define TSI721_DMAD_HOPCNT 0xff000000 |
| 546 | |
| 547 | union { |
| 548 | __le32 raddr_hi; /* if DTYPE == (1 || 2) */ |
| 549 | __le32 next_hi; /* if DTYPE == 3 */ |
| 550 | }; |
| 551 | |
| 552 | union { |
| 553 | struct { /* if DTYPE == 1 */ |
| 554 | __le32 bufptr_lo; |
| 555 | __le32 bufptr_hi; |
| 556 | __le32 s_dist; |
| 557 | __le32 s_size; |
| 558 | } t1; |
| 559 | __le32 data[4]; /* if DTYPE == 2 */ |
| 560 | u32 reserved[4]; /* if DTYPE == 3 */ |
| 561 | }; |
| 562 | } __aligned(32); |
| 563 | |
| 564 | /* |
| 565 | * Inbound Messaging Descriptor |
| 566 | */ |
| 567 | struct tsi721_imsg_desc { |
| 568 | __le32 type_id; |
| 569 | |
| 570 | #define TSI721_IMD_DEVID 0x0000ffff |
| 571 | #define TSI721_IMD_CRF 0x00010000 |
| 572 | #define TSI721_IMD_PRIO 0x00060000 |
| 573 | #define TSI721_IMD_TT 0x00180000 |
| 574 | #define TSI721_IMD_DTYPE 0xe0000000 |
| 575 | |
| 576 | __le32 msg_info; |
| 577 | |
| 578 | #define TSI721_IMD_BCOUNT 0x00000ff8 |
| 579 | #define TSI721_IMD_SSIZE 0x0000f000 |
| 580 | #define TSI721_IMD_LETER 0x00030000 |
| 581 | #define TSI721_IMD_XMBOX 0x003c0000 |
| 582 | #define TSI721_IMD_MBOX 0x00c00000 |
| 583 | #define TSI721_IMD_CS 0x78000000 |
| 584 | #define TSI721_IMD_HO 0x80000000 |
| 585 | |
| 586 | __le32 bufptr_lo; |
| 587 | __le32 bufptr_hi; |
| 588 | u32 reserved[12]; |
| 589 | |
| 590 | } __aligned(64); |
| 591 | |
| 592 | /* |
| 593 | * Outbound Messaging Descriptor |
| 594 | */ |
| 595 | struct tsi721_omsg_desc { |
| 596 | __le32 type_id; |
| 597 | |
| 598 | #define TSI721_OMD_DEVID 0x0000ffff |
| 599 | #define TSI721_OMD_CRF 0x00010000 |
| 600 | #define TSI721_OMD_PRIO 0x00060000 |
| 601 | #define TSI721_OMD_IOF 0x08000000 |
| 602 | #define TSI721_OMD_DTYPE 0xe0000000 |
| 603 | #define TSI721_OMD_RSRVD 0x17f80000 |
| 604 | |
| 605 | __le32 msg_info; |
| 606 | |
| 607 | #define TSI721_OMD_BCOUNT 0x00000ff8 |
| 608 | #define TSI721_OMD_SSIZE 0x0000f000 |
| 609 | #define TSI721_OMD_LETER 0x00030000 |
| 610 | #define TSI721_OMD_XMBOX 0x003c0000 |
| 611 | #define TSI721_OMD_MBOX 0x00c00000 |
| 612 | #define TSI721_OMD_TT 0x0c000000 |
| 613 | |
| 614 | union { |
| 615 | __le32 bufptr_lo; /* if DTYPE == 4 */ |
| 616 | __le32 next_lo; /* if DTYPE == 5 */ |
| 617 | }; |
| 618 | |
| 619 | union { |
| 620 | __le32 bufptr_hi; /* if DTYPE == 4 */ |
| 621 | __le32 next_hi; /* if DTYPE == 5 */ |
| 622 | }; |
| 623 | |
| 624 | } __aligned(16); |
| 625 | |
| 626 | struct tsi721_dma_sts { |
| 627 | __le64 desc_sts[8]; |
| 628 | } __aligned(64); |
| 629 | |
| 630 | struct tsi721_desc_sts_fifo { |
| 631 | union { |
| 632 | __le64 da64; |
| 633 | struct { |
| 634 | __le32 lo; |
| 635 | __le32 hi; |
| 636 | } da32; |
| 637 | } stat[8]; |
| 638 | } __aligned(64); |
| 639 | |
| 640 | /* Descriptor types for BDMA and Messaging blocks */ |
| 641 | enum dma_dtype { |
| 642 | DTYPE1 = 1, /* Data Transfer DMA Descriptor */ |
| 643 | DTYPE2 = 2, /* Immediate Data Transfer DMA Descriptor */ |
| 644 | DTYPE3 = 3, /* Block Pointer DMA Descriptor */ |
| 645 | DTYPE4 = 4, /* Outbound Msg DMA Descriptor */ |
| 646 | DTYPE5 = 5, /* OB Messaging Block Pointer Descriptor */ |
| 647 | DTYPE6 = 6 /* Inbound Messaging Descriptor */ |
| 648 | }; |
| 649 | |
| 650 | enum dma_rtype { |
| 651 | NREAD = 0, |
| 652 | LAST_NWRITE_R = 1, |
| 653 | ALL_NWRITE = 2, |
| 654 | ALL_NWRITE_R = 3, |
| 655 | MAINT_RD = 4, |
| 656 | MAINT_WR = 5 |
| 657 | }; |
| 658 | |
| 659 | /* |
| 660 | * mport Driver Definitions |
| 661 | */ |
| 662 | #define TSI721_DMA_CHNUM TSI721_DMA_MAXCH |
| 663 | |
| 664 | #define TSI721_DMACH_MAINT 0 /* DMA channel for maint requests */ |
| 665 | #define TSI721_DMACH_MAINT_NBD 32 /* Number of BDs for maint requests */ |
| 666 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 667 | #define TSI721_DMACH_DMA 1 /* DMA channel for data transfers */ |
| 668 | |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 669 | #define MSG_DMA_ENTRY_INX_TO_SIZE(x) ((0x10 << (x)) & 0xFFFF0) |
| 670 | |
| 671 | enum tsi721_smsg_int_flag { |
| 672 | SMSG_INT_NONE = 0x00000000, |
| 673 | SMSG_INT_ECC_COR_CH = 0x000000ff, |
| 674 | SMSG_INT_ECC_NCOR_CH = 0x0000ff00, |
| 675 | SMSG_INT_ECC_COR = 0x00020000, |
| 676 | SMSG_INT_ECC_NCOR = 0x00040000, |
| 677 | SMSG_INT_UNS_RSP = 0x00800000, |
| 678 | SMSG_INT_ALL = 0x0006ffff |
| 679 | }; |
| 680 | |
| 681 | /* Structures */ |
| 682 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 683 | #ifdef CONFIG_RAPIDIO_DMA_ENGINE |
| 684 | |
Alexandre Bounine | 40f847b | 2014-04-07 15:38:55 -0700 | [diff] [blame] | 685 | #define TSI721_BDMA_MAX_BCOUNT (TSI721_DMAD_BCOUNT1 + 1) |
| 686 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 687 | struct tsi721_tx_desc { |
| 688 | struct dma_async_tx_descriptor txd; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 689 | u16 destid; |
| 690 | /* low 64-bits of 66-bit RIO address */ |
| 691 | u64 rio_addr; |
| 692 | /* upper 2-bits of 66-bit RIO address */ |
| 693 | u8 rio_addr_u; |
Alexandre Bounine | 50835e9 | 2014-08-08 14:22:12 -0700 | [diff] [blame] | 694 | enum dma_rtype rtype; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 695 | struct list_head desc_node; |
Alexandre Bounine | 50835e9 | 2014-08-08 14:22:12 -0700 | [diff] [blame] | 696 | struct scatterlist *sg; |
| 697 | unsigned int sg_len; |
| 698 | enum dma_status status; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 699 | }; |
| 700 | |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 701 | struct tsi721_bdma_chan { |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 702 | int id; |
| 703 | void __iomem *regs; |
Alexandre Bounine | 50835e9 | 2014-08-08 14:22:12 -0700 | [diff] [blame] | 704 | int bd_num; /* number of HW buffer descriptors */ |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 705 | void *bd_base; /* start of DMA descriptors */ |
| 706 | dma_addr_t bd_phys; |
| 707 | void *sts_base; /* start of DMA BD status FIFO */ |
| 708 | dma_addr_t sts_phys; |
| 709 | int sts_size; |
| 710 | u32 sts_rdptr; |
| 711 | u32 wr_count; |
| 712 | u32 wr_count_next; |
| 713 | |
| 714 | struct dma_chan dchan; |
| 715 | struct tsi721_tx_desc *tx_desc; |
| 716 | spinlock_t lock; |
Alexandre Bounine | d2a321f | 2016-03-22 14:25:57 -0700 | [diff] [blame] | 717 | struct tsi721_tx_desc *active_tx; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 718 | struct list_head queue; |
| 719 | struct list_head free_list; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 720 | struct tasklet_struct tasklet; |
Alexandre Bounine | 04379df | 2014-03-03 15:38:36 -0800 | [diff] [blame] | 721 | bool active; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 722 | }; |
| 723 | |
| 724 | #endif /* CONFIG_RAPIDIO_DMA_ENGINE */ |
| 725 | |
| 726 | struct tsi721_bdma_maint { |
| 727 | int ch_id; /* BDMA channel number */ |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 728 | int bd_num; /* number of buffer descriptors */ |
| 729 | void *bd_base; /* start of DMA descriptors */ |
| 730 | dma_addr_t bd_phys; |
| 731 | void *sts_base; /* start of DMA BD status FIFO */ |
| 732 | dma_addr_t sts_phys; |
| 733 | int sts_size; |
| 734 | }; |
| 735 | |
| 736 | struct tsi721_imsg_ring { |
| 737 | u32 size; |
| 738 | /* VA/PA of data buffers for incoming messages */ |
| 739 | void *buf_base; |
| 740 | dma_addr_t buf_phys; |
| 741 | /* VA/PA of circular free buffer list */ |
| 742 | void *imfq_base; |
| 743 | dma_addr_t imfq_phys; |
| 744 | /* VA/PA of Inbound message descriptors */ |
| 745 | void *imd_base; |
| 746 | dma_addr_t imd_phys; |
| 747 | /* Inbound Queue buffer pointers */ |
| 748 | void *imq_base[TSI721_IMSGD_RING_SIZE]; |
| 749 | |
| 750 | u32 rx_slot; |
| 751 | void *dev_id; |
| 752 | u32 fq_wrptr; |
| 753 | u32 desc_rdptr; |
| 754 | spinlock_t lock; |
| 755 | }; |
| 756 | |
| 757 | struct tsi721_omsg_ring { |
| 758 | u32 size; |
| 759 | /* VA/PA of OB Msg descriptors */ |
| 760 | void *omd_base; |
| 761 | dma_addr_t omd_phys; |
| 762 | /* VA/PA of OB Msg data buffers */ |
| 763 | void *omq_base[TSI721_OMSGD_RING_SIZE]; |
| 764 | dma_addr_t omq_phys[TSI721_OMSGD_RING_SIZE]; |
| 765 | /* VA/PA of OB Msg descriptor status FIFO */ |
| 766 | void *sts_base; |
| 767 | dma_addr_t sts_phys; |
| 768 | u32 sts_size; /* # of allocated status entries */ |
| 769 | u32 sts_rdptr; |
| 770 | |
| 771 | u32 tx_slot; |
| 772 | void *dev_id; |
| 773 | u32 wr_count; |
| 774 | spinlock_t lock; |
| 775 | }; |
| 776 | |
| 777 | enum tsi721_flags { |
| 778 | TSI721_USING_MSI = (1 << 0), |
| 779 | TSI721_USING_MSIX = (1 << 1), |
| 780 | TSI721_IMSGID_SET = (1 << 2), |
| 781 | }; |
| 782 | |
| 783 | #ifdef CONFIG_PCI_MSI |
| 784 | /* |
| 785 | * MSI-X Table Entries (0 ... 69) |
| 786 | */ |
| 787 | #define TSI721_MSIX_DMACH_DONE(x) (0 + (x)) |
| 788 | #define TSI721_MSIX_DMACH_INT(x) (8 + (x)) |
| 789 | #define TSI721_MSIX_BDMA_INT 16 |
| 790 | #define TSI721_MSIX_OMSG_DONE(x) (17 + (x)) |
| 791 | #define TSI721_MSIX_OMSG_INT(x) (25 + (x)) |
| 792 | #define TSI721_MSIX_IMSG_DQ_RCV(x) (33 + (x)) |
| 793 | #define TSI721_MSIX_IMSG_INT(x) (41 + (x)) |
| 794 | #define TSI721_MSIX_MSG_INT 49 |
| 795 | #define TSI721_MSIX_SR2PC_IDBQ_RCV(x) (50 + (x)) |
| 796 | #define TSI721_MSIX_SR2PC_CH_INT(x) (58 + (x)) |
| 797 | #define TSI721_MSIX_SR2PC_INT 66 |
| 798 | #define TSI721_MSIX_PC2SR_INT 67 |
| 799 | #define TSI721_MSIX_SRIO_MAC_INT 68 |
| 800 | #define TSI721_MSIX_I2C_INT 69 |
| 801 | |
| 802 | /* MSI-X vector and init table entry indexes */ |
| 803 | enum tsi721_msix_vect { |
| 804 | TSI721_VECT_IDB, |
| 805 | TSI721_VECT_PWRX, /* PW_RX is part of SRIO MAC Interrupt reporting */ |
| 806 | TSI721_VECT_OMB0_DONE, |
| 807 | TSI721_VECT_OMB1_DONE, |
| 808 | TSI721_VECT_OMB2_DONE, |
| 809 | TSI721_VECT_OMB3_DONE, |
| 810 | TSI721_VECT_OMB0_INT, |
| 811 | TSI721_VECT_OMB1_INT, |
| 812 | TSI721_VECT_OMB2_INT, |
| 813 | TSI721_VECT_OMB3_INT, |
| 814 | TSI721_VECT_IMB0_RCV, |
| 815 | TSI721_VECT_IMB1_RCV, |
| 816 | TSI721_VECT_IMB2_RCV, |
| 817 | TSI721_VECT_IMB3_RCV, |
| 818 | TSI721_VECT_IMB0_INT, |
| 819 | TSI721_VECT_IMB1_INT, |
| 820 | TSI721_VECT_IMB2_INT, |
| 821 | TSI721_VECT_IMB3_INT, |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 822 | #ifdef CONFIG_RAPIDIO_DMA_ENGINE |
| 823 | TSI721_VECT_DMA0_DONE, |
| 824 | TSI721_VECT_DMA1_DONE, |
| 825 | TSI721_VECT_DMA2_DONE, |
| 826 | TSI721_VECT_DMA3_DONE, |
| 827 | TSI721_VECT_DMA4_DONE, |
| 828 | TSI721_VECT_DMA5_DONE, |
| 829 | TSI721_VECT_DMA6_DONE, |
| 830 | TSI721_VECT_DMA7_DONE, |
| 831 | TSI721_VECT_DMA0_INT, |
| 832 | TSI721_VECT_DMA1_INT, |
| 833 | TSI721_VECT_DMA2_INT, |
| 834 | TSI721_VECT_DMA3_INT, |
| 835 | TSI721_VECT_DMA4_INT, |
| 836 | TSI721_VECT_DMA5_INT, |
| 837 | TSI721_VECT_DMA6_INT, |
| 838 | TSI721_VECT_DMA7_INT, |
| 839 | #endif /* CONFIG_RAPIDIO_DMA_ENGINE */ |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 840 | TSI721_VECT_MAX |
| 841 | }; |
| 842 | |
| 843 | #define IRQ_DEVICE_NAME_MAX 64 |
| 844 | |
| 845 | struct msix_irq { |
| 846 | u16 vector; |
| 847 | char irq_name[IRQ_DEVICE_NAME_MAX]; |
| 848 | }; |
| 849 | #endif /* CONFIG_PCI_MSI */ |
| 850 | |
Alexandre Bounine | 9673b88 | 2016-03-22 14:25:54 -0700 | [diff] [blame] | 851 | struct tsi721_ib_win_mapping { |
| 852 | struct list_head node; |
| 853 | dma_addr_t lstart; |
| 854 | }; |
| 855 | |
Alexandre Bounine | ba5d141 | 2016-03-22 14:25:51 -0700 | [diff] [blame] | 856 | struct tsi721_ib_win { |
| 857 | u64 rstart; |
| 858 | u32 size; |
| 859 | dma_addr_t lstart; |
| 860 | bool active; |
Alexandre Bounine | 9673b88 | 2016-03-22 14:25:54 -0700 | [diff] [blame] | 861 | bool xlat; |
| 862 | struct list_head mappings; |
Alexandre Bounine | ba5d141 | 2016-03-22 14:25:51 -0700 | [diff] [blame] | 863 | }; |
| 864 | |
Alexandre Bounine | 1679e8d | 2016-03-22 14:26:53 -0700 | [diff] [blame] | 865 | struct tsi721_obw_bar { |
| 866 | u64 base; |
| 867 | u64 size; |
| 868 | u64 free; |
| 869 | }; |
| 870 | |
| 871 | struct tsi721_ob_win { |
| 872 | u64 base; |
| 873 | u32 size; |
| 874 | u16 destid; |
| 875 | u64 rstart; |
| 876 | bool active; |
| 877 | struct tsi721_obw_bar *pbar; |
| 878 | }; |
| 879 | |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 880 | struct tsi721_device { |
| 881 | struct pci_dev *pdev; |
Alexandre Bounine | 748353c | 2016-03-22 14:26:23 -0700 | [diff] [blame] | 882 | struct rio_mport mport; |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 883 | u32 flags; |
| 884 | void __iomem *regs; |
| 885 | #ifdef CONFIG_PCI_MSI |
| 886 | struct msix_irq msix[TSI721_VECT_MAX]; |
| 887 | #endif |
| 888 | /* Doorbells */ |
| 889 | void __iomem *odb_base; |
| 890 | void *idb_base; |
| 891 | dma_addr_t idb_dma; |
| 892 | struct work_struct idb_work; |
| 893 | u32 db_discard_count; |
| 894 | |
| 895 | /* Inbound Port-Write */ |
| 896 | struct work_struct pw_work; |
| 897 | struct kfifo pw_fifo; |
| 898 | spinlock_t pw_fifo_lock; |
| 899 | u32 pw_discard_count; |
| 900 | |
| 901 | /* BDMA Engine */ |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 902 | struct tsi721_bdma_maint mdma; /* Maintenance rd/wr request channel */ |
| 903 | |
| 904 | #ifdef CONFIG_RAPIDIO_DMA_ENGINE |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 905 | struct tsi721_bdma_chan bdma[TSI721_DMA_CHNUM]; |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 906 | #endif |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 907 | |
| 908 | /* Inbound Messaging */ |
| 909 | int imsg_init[TSI721_IMSG_CHNUM]; |
| 910 | struct tsi721_imsg_ring imsg_ring[TSI721_IMSG_CHNUM]; |
| 911 | |
| 912 | /* Outbound Messaging */ |
| 913 | int omsg_init[TSI721_OMSG_CHNUM]; |
| 914 | struct tsi721_omsg_ring omsg_ring[TSI721_OMSG_CHNUM]; |
Alexandre Bounine | ba5d141 | 2016-03-22 14:25:51 -0700 | [diff] [blame] | 915 | |
| 916 | /* Inbound Mapping Windows */ |
| 917 | struct tsi721_ib_win ib_win[TSI721_IBWIN_NUM]; |
Alexandre Bounine | 9673b88 | 2016-03-22 14:25:54 -0700 | [diff] [blame] | 918 | int ibwin_cnt; |
Alexandre Bounine | 1679e8d | 2016-03-22 14:26:53 -0700 | [diff] [blame] | 919 | |
| 920 | /* Outbound Mapping Windows */ |
| 921 | struct tsi721_obw_bar p2r_bar[2]; |
| 922 | struct tsi721_ob_win ob_win[TSI721_OBWIN_NUM]; |
| 923 | int obwin_cnt; |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 924 | }; |
| 925 | |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 926 | #ifdef CONFIG_RAPIDIO_DMA_ENGINE |
| 927 | extern void tsi721_bdma_handler(struct tsi721_bdma_chan *bdma_chan); |
Bill Pemberton | 305c891 | 2012-11-19 13:23:25 -0500 | [diff] [blame] | 928 | extern int tsi721_register_dma(struct tsi721_device *priv); |
Alexandre Bounine | 748353c | 2016-03-22 14:26:23 -0700 | [diff] [blame] | 929 | extern void tsi721_unregister_dma(struct tsi721_device *priv); |
Alexandre Bounine | e3dd8cd | 2016-03-22 14:26:08 -0700 | [diff] [blame] | 930 | extern void tsi721_dma_stop_all(struct tsi721_device *priv); |
| 931 | #else |
| 932 | #define tsi721_dma_stop_all(priv) do {} while (0) |
Alexandre Bounine | 748353c | 2016-03-22 14:26:23 -0700 | [diff] [blame] | 933 | #define tsi721_unregister_dma(priv) do {} while (0) |
Alexandre Bounine | 9eaa3d9 | 2012-05-31 16:26:39 -0700 | [diff] [blame] | 934 | #endif |
| 935 | |
Alexandre Bounine | 48618fb | 2011-11-02 13:39:09 -0700 | [diff] [blame] | 936 | #endif |