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 };
  40
  41 enum {
  42         BCM5325_DEVICE_ID = 0x25,
  43         BCM5365_DEVICE_ID = 0x65,
  44         BCM5395_DEVICE_ID = 0x95,
  45         BCM5397_DEVICE_ID = 0x97,
  46         BCM5398_DEVICE_ID = 0x98,
  47         BCM53115_DEVICE_ID = 0x53115,
  48         BCM53125_DEVICE_ID = 0x53125,
  49         BCM53128_DEVICE_ID = 0x53128,
  50         BCM63XX_DEVICE_ID = 0x6300,
  51         BCM53010_DEVICE_ID = 0x53010,
  52         BCM53011_DEVICE_ID = 0x53011,
  53         BCM53012_DEVICE_ID = 0x53012,
  54         BCM53018_DEVICE_ID = 0x53018,
  55         BCM53019_DEVICE_ID = 0x53019,
  56 };
  57
  58 #define B53_N_PORTS     9
  59 #define B53_N_PORTS_25  6
  60
  61 struct b53_vlan {
  62         unsigned int    members:B53_N_PORTS;
  63         unsigned int    untag:B53_N_PORTS;
  64 };
  65
  66 struct b53_port {
  67         unsigned int    pvid:12;
  68 };
  69
  70 struct b53_device {
  71         struct switch_dev sw_dev;
  72         struct b53_platform_data *pdata;
  73
  74         struct mutex reg_mutex;
  75         const struct b53_io_ops *ops;
  76
  77         /* chip specific data */
  78         u32 chip_id;
  79         u8 core_rev;
  80         u8 vta_regs[3];
  81         u8 duplex_reg;
  82         u8 jumbo_pm_reg;
  83         u8 jumbo_size_reg;
  84         int reset_gpio;
  85
  86         /* used ports mask */
  87         u16 enabled_ports;
  88
  89         /* connect specific data */
  90         u8 current_page;
  91         struct device *dev;
  92         void *priv;
  93
  94         /* run time configuration */
  95         unsigned enable_vlan:1;
  96         unsigned enable_jumbo:1;
  97         unsigned allow_vid_4095:1;
  98
  99         struct b53_port *ports;
 100         struct b53_vlan *vlans;
 101
 102         char *buf;
 103 };
 104
 105 #define b53_for_each_port(dev, i) \
 106         for (i = 0; i < B53_N_PORTS; i++) \
 107                 if (dev->enabled_ports & BIT(i))
 108
 109
 110
 111 static inline int is5325(struct b53_device *dev)
 112 {
 113         return dev->chip_id == BCM5325_DEVICE_ID;
 114 }
 115
 116 static inline int is5365(struct b53_device *dev)
 117 {
 118 #ifdef CONFIG_BCM47XX
 119         return dev->chip_id == BCM5365_DEVICE_ID;
 120 #else
 121         return 0;
 122 #endif
 123 }
 124
 125 static inline int is5397_98(struct b53_device *dev)
 126 {
 127         return dev->chip_id == BCM5397_DEVICE_ID ||
 128                 dev->chip_id == BCM5398_DEVICE_ID;
 129 }
 130
 131 static inline int is539x(struct b53_device *dev)
 132 {
 133         return dev->chip_id == BCM5395_DEVICE_ID ||
 134                 dev->chip_id == BCM5397_DEVICE_ID ||
 135                 dev->chip_id == BCM5398_DEVICE_ID;
 136 }
 137
 138 static inline int is531x5(struct b53_device *dev)
 139 {
 140         return dev->chip_id == BCM53115_DEVICE_ID ||
 141                 dev->chip_id == BCM53125_DEVICE_ID ||
 142                 dev->chip_id == BCM53128_DEVICE_ID;
 143 }
 144
 145 static inline int is63xx(struct b53_device *dev)
 146 {
 147 #ifdef CONFIG_BCM63XX
 148         return dev->chip_id == BCM63XX_DEVICE_ID;
 149 #else
 150         return 0;
 151 #endif
 152 }
 153
 154 static inline int is5301x(struct b53_device *dev)
 155 {
 156         return dev->chip_id == BCM53010_DEVICE_ID ||
 157                 dev->chip_id == BCM53011_DEVICE_ID ||
 158                 dev->chip_id == BCM53012_DEVICE_ID ||
 159                 dev->chip_id == BCM53018_DEVICE_ID ||
 160                 dev->chip_id == BCM53019_DEVICE_ID;
 161 }
 162
 163 #define B53_CPU_PORT_25 5
 164 #define B53_CPU_PORT    8
 165
 166 static inline int is_cpu_port(struct b53_device *dev, int port)
 167 {
 168         return dev->sw_dev.cpu_port == port;
 169 }
 170
 171 static inline struct b53_device *sw_to_b53(struct switch_dev *sw)
 172 {
 173         return container_of(sw, struct b53_device, sw_dev);
 174 }
 175
 176 struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops,
 177                                     void *priv);
 178
 179 int b53_switch_detect(struct b53_device *dev);
 180
 181 int b53_switch_register(struct b53_device *dev);
 182
 183 static inline void b53_switch_remove(struct b53_device *dev)
 184 {
 185         unregister_switch(&dev->sw_dev);
 186 }
 187
 188 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
 189 {
 190         int ret;
 191
 192         mutex_lock(&dev->reg_mutex);
 193         ret = dev->ops->read8(dev, page, reg, val);
 194         mutex_unlock(&dev->reg_mutex);
 195
 196         return ret;
 197 }
 198
 199 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
 200 {
 201         int ret;
 202
 203         mutex_lock(&dev->reg_mutex);
 204         ret = dev->ops->read16(dev, page, reg, val);
 205         mutex_unlock(&dev->reg_mutex);
 206
 207         return ret;
 208 }
 209
 210 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
 211 {
 212         int ret;
 213
 214         mutex_lock(&dev->reg_mutex);
 215         ret = dev->ops->read32(dev, page, reg, val);
 216         mutex_unlock(&dev->reg_mutex);
 217
 218         return ret;
 219 }
 220
 221 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
 222 {
 223         int ret;
 224
 225         mutex_lock(&dev->reg_mutex);
 226         ret = dev->ops->read48(dev, page, reg, val);
 227         mutex_unlock(&dev->reg_mutex);
 228
 229         return ret;
 230 }
 231
 232 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
 233 {
 234         int ret;
 235
 236         mutex_lock(&dev->reg_mutex);
 237         ret = dev->ops->read64(dev, page, reg, val);
 238         mutex_unlock(&dev->reg_mutex);
 239
 240         return ret;
 241 }
 242
 243 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
 244 {
 245         int ret;
 246
 247         mutex_lock(&dev->reg_mutex);
 248         ret = dev->ops->write8(dev, page, reg, value);
 249         mutex_unlock(&dev->reg_mutex);
 250
 251         return ret;
 252 }
 253
 254 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
 255                               u16 value)
 256 {
 257         int ret;
 258
 259         mutex_lock(&dev->reg_mutex);
 260         ret = dev->ops->write16(dev, page, reg, value);
 261         mutex_unlock(&dev->reg_mutex);
 262
 263         return ret;
 264 }
 265
 266 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
 267                               u32 value)
 268 {
 269         int ret;
 270
 271         mutex_lock(&dev->reg_mutex);
 272         ret = dev->ops->write32(dev, page, reg, value);
 273         mutex_unlock(&dev->reg_mutex);
 274
 275         return ret;
 276 }
 277
 278 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
 279                               u64 value)
 280 {
 281         int ret;
 282
 283         mutex_lock(&dev->reg_mutex);
 284         ret = dev->ops->write48(dev, page, reg, value);
 285         mutex_unlock(&dev->reg_mutex);
 286
 287         return ret;
 288 }
 289
 290 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
 291                                u64 value)
 292 {
 293         int ret;
 294
 295         mutex_lock(&dev->reg_mutex);
 296         ret = dev->ops->write64(dev, page, reg, value);
 297         mutex_unlock(&dev->reg_mutex);
 298
 299         return ret;
 300 }
 301
 302 #ifdef CONFIG_BCM47XX
 303
 304 #include <bcm47xx_nvram.h>
 305 #include <bcm47xx_board.h>
 306 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
 307 {
 308         enum bcm47xx_board board = bcm47xx_board_get();
 309
 310         switch (board) {
 311         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
 312         case BCM47XX_BOARD_LINKSYS_WRT310NV1:
 313                 return 8;
 314         default:
 315                 return bcm47xx_nvram_gpio_pin("robo_reset");
 316         }
 317 }
 318 #else
 319 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
 320 {
 321         return -ENOENT;
 322 }
 323 #endif
 324 #endif