target/linux/generic/files/drivers/net/phy/b53/b53_priv.h

   1 /*
   2  * B53 common definitions
   3  *
   4  * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef __B53_PRIV_H
  20 #define __B53_PRIV_H
  21
  22 #include <linux/kernel.h>
  23 #include <linux/mutex.h>
  24 #include <linux/switch.h>
  25
  26 struct b53_device;
  27
  28 struct b53_io_ops {
  29         int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
  30         int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
  31         int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
  32         int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
  33         int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
  34         int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
  35         int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
  36         int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
  37         int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
  38         int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
  39         int (*phy_read16)(struct b53_device *dev, int addr, u8 reg, u16 *value);
  40         int (*phy_write16)(struct b53_device *dev, int addr, u8 reg, u16 value);
  41 };
  42
  43 enum {
  44         BCM5325_DEVICE_ID = 0x25,
  45         BCM5365_DEVICE_ID = 0x65,
  46         BCM5395_DEVICE_ID = 0x95,
  47         BCM5397_DEVICE_ID = 0x97,
  48         BCM5398_DEVICE_ID = 0x98,
  49         BCM53115_DEVICE_ID = 0x53115,
  50         BCM53125_DEVICE_ID = 0x53125,
  51         BCM53128_DEVICE_ID = 0x53128,
  52         BCM63XX_DEVICE_ID = 0x6300,
  53         BCM53010_DEVICE_ID = 0x53010,
  54         BCM53011_DEVICE_ID = 0x53011,
  55         BCM53012_DEVICE_ID = 0x53012,
  56         BCM53018_DEVICE_ID = 0x53018,
  57         BCM53019_DEVICE_ID = 0x53019,
  58 };
  59
  60 #define B53_N_PORTS     9
  61 #define B53_N_PORTS_25  6
  62
  63 struct b53_vlan {
  64         unsigned int    members:B53_N_PORTS;
  65         unsigned int    untag:B53_N_PORTS;
  66 };
  67
  68 struct b53_port {
  69         unsigned int    pvid:12;
  70 };
  71
  72 struct b53_device {
  73         struct switch_dev sw_dev;
  74         struct b53_platform_data *pdata;
  75
  76         struct mutex reg_mutex;
  77         const struct b53_io_ops *ops;
  78
  79         /* chip specific data */
  80         u32 chip_id;
  81         u8 core_rev;
  82         u8 vta_regs[3];
  83         u8 duplex_reg;
  84         u8 jumbo_pm_reg;
  85         u8 jumbo_size_reg;
  86         int reset_gpio;
  87
  88         /* used ports mask */
  89         u16 enabled_ports;
  90
  91         /* connect specific data */
  92         u8 current_page;
  93         struct device *dev;
  94         void *priv;
  95
  96         /* run time configuration */
  97         unsigned enable_vlan:1;
  98         unsigned enable_jumbo:1;
  99         unsigned allow_vid_4095:1;
 100
 101         struct b53_port *ports;
 102         struct b53_vlan *vlans;
 103
 104         char *buf;
 105 };
 106
 107 #define b53_for_each_port(dev, i) \
 108         for (i = 0; i < B53_N_PORTS; i++) \
 109                 if (dev->enabled_ports & BIT(i))
 110
 111
 112
 113 static inline int is5325(struct b53_device *dev)
 114 {
 115         return dev->chip_id == BCM5325_DEVICE_ID;
 116 }
 117
 118 static inline int is5365(struct b53_device *dev)
 119 {
 120 #ifdef CONFIG_BCM47XX
 121         return dev->chip_id == BCM5365_DEVICE_ID;
 122 #else
 123         return 0;
 124 #endif
 125 }
 126
 127 static inline int is5397_98(struct b53_device *dev)
 128 {
 129         return dev->chip_id == BCM5397_DEVICE_ID ||
 130                 dev->chip_id == BCM5398_DEVICE_ID;
 131 }
 132
 133 static inline int is539x(struct b53_device *dev)
 134 {
 135         return dev->chip_id == BCM5395_DEVICE_ID ||
 136                 dev->chip_id == BCM5397_DEVICE_ID ||
 137                 dev->chip_id == BCM5398_DEVICE_ID;
 138 }
 139
 140 static inline int is531x5(struct b53_device *dev)
 141 {
 142         return dev->chip_id == BCM53115_DEVICE_ID ||
 143                 dev->chip_id == BCM53125_DEVICE_ID ||
 144                 dev->chip_id == BCM53128_DEVICE_ID;
 145 }
 146
 147 static inline int is63xx(struct b53_device *dev)
 148 {
 149 #ifdef CONFIG_BCM63XX
 150         return dev->chip_id == BCM63XX_DEVICE_ID;
 151 #else
 152         return 0;
 153 #endif
 154 }
 155
 156 static inline int is5301x(struct b53_device *dev)
 157 {
 158         return dev->chip_id == BCM53010_DEVICE_ID ||
 159                 dev->chip_id == BCM53011_DEVICE_ID ||
 160                 dev->chip_id == BCM53012_DEVICE_ID ||
 161                 dev->chip_id == BCM53018_DEVICE_ID ||
 162                 dev->chip_id == BCM53019_DEVICE_ID;
 163 }
 164
 165 #define B53_CPU_PORT_25 5
 166 #define B53_CPU_PORT    8
 167
 168 static inline int is_cpu_port(struct b53_device *dev, int port)
 169 {
 170         return dev->sw_dev.cpu_port == port;
 171 }
 172
 173 static inline int is_imp_port(struct b53_device *dev, int port)
 174 {
 175         if (is5325(dev) || is5365(dev))
 176                 return port == B53_CPU_PORT_25;
 177         else
 178                 return port == B53_CPU_PORT;
 179 }
 180
 181 static inline struct b53_device *sw_to_b53(struct switch_dev *sw)
 182 {
 183         return container_of(sw, struct b53_device, sw_dev);
 184 }
 185
 186 struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops,
 187                                     void *priv);
 188
 189 int b53_switch_detect(struct b53_device *dev);
 190
 191 int b53_switch_register(struct b53_device *dev);
 192
 193 static inline void b53_switch_remove(struct b53_device *dev)
 194 {
 195         unregister_switch(&dev->sw_dev);
 196 }
 197
 198 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
 199 {
 200         int ret;
 201
 202         mutex_lock(&dev->reg_mutex);
 203         ret = dev->ops->read8(dev, page, reg, val);
 204         mutex_unlock(&dev->reg_mutex);
 205
 206         return ret;
 207 }
 208
 209 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
 210 {
 211         int ret;
 212
 213         mutex_lock(&dev->reg_mutex);
 214         ret = dev->ops->read16(dev, page, reg, val);
 215         mutex_unlock(&dev->reg_mutex);
 216
 217         return ret;
 218 }
 219
 220 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
 221 {
 222         int ret;
 223
 224         mutex_lock(&dev->reg_mutex);
 225         ret = dev->ops->read32(dev, page, reg, val);
 226         mutex_unlock(&dev->reg_mutex);
 227
 228         return ret;
 229 }
 230
 231 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
 232 {
 233         int ret;
 234
 235         mutex_lock(&dev->reg_mutex);
 236         ret = dev->ops->read48(dev, page, reg, val);
 237         mutex_unlock(&dev->reg_mutex);
 238
 239         return ret;
 240 }
 241
 242 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
 243 {
 244         int ret;
 245
 246         mutex_lock(&dev->reg_mutex);
 247         ret = dev->ops->read64(dev, page, reg, val);
 248         mutex_unlock(&dev->reg_mutex);
 249
 250         return ret;
 251 }
 252
 253 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
 254 {
 255         int ret;
 256
 257         mutex_lock(&dev->reg_mutex);
 258         ret = dev->ops->write8(dev, page, reg, value);
 259         mutex_unlock(&dev->reg_mutex);
 260
 261         return ret;
 262 }
 263
 264 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
 265                               u16 value)
 266 {
 267         int ret;
 268
 269         mutex_lock(&dev->reg_mutex);
 270         ret = dev->ops->write16(dev, page, reg, value);
 271         mutex_unlock(&dev->reg_mutex);
 272
 273         return ret;
 274 }
 275
 276 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
 277                               u32 value)
 278 {
 279         int ret;
 280
 281         mutex_lock(&dev->reg_mutex);
 282         ret = dev->ops->write32(dev, page, reg, value);
 283         mutex_unlock(&dev->reg_mutex);
 284
 285         return ret;
 286 }
 287
 288 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
 289                               u64 value)
 290 {
 291         int ret;
 292
 293         mutex_lock(&dev->reg_mutex);
 294         ret = dev->ops->write48(dev, page, reg, value);
 295         mutex_unlock(&dev->reg_mutex);
 296
 297         return ret;
 298 }
 299
 300 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
 301                                u64 value)
 302 {
 303         int ret;
 304
 305         mutex_lock(&dev->reg_mutex);
 306         ret = dev->ops->write64(dev, page, reg, value);
 307         mutex_unlock(&dev->reg_mutex);
 308
 309         return ret;
 310 }
 311
 312 #ifdef CONFIG_BCM47XX
 313
 314 #include <linux/version.h>
 315 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
 316 #include <linux/bcm47xx_nvram.h>
 317 #else
 318 #include <bcm47xx_nvram.h>
 319 #endif
 320 #include <bcm47xx_board.h>
 321 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
 322 {
 323         enum bcm47xx_board board = bcm47xx_board_get();
 324
 325         switch (board) {
 326         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
 327         case BCM47XX_BOARD_LINKSYS_WRT310NV1:
 328                 return 8;
 329         default:
 330                 return bcm47xx_nvram_gpio_pin("robo_reset");
 331         }
 332 }
 333 #else
 334 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
 335 {
 336         return -ENOENT;
 337 }
 338 #endif
 339 #endif