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 26struct b53_device; 27 28struct 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 43enum { 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 63struct b53_vlan { 64 unsigned int members:B53_N_PORTS; 65 unsigned int untag:B53_N_PORTS; 66}; 67 68struct b53_port { 69 unsigned int pvid:12; 70}; 71 72struct 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 113static inline int is5325(struct b53_device *dev) 114{ 115 return dev->chip_id == BCM5325_DEVICE_ID; 116} 117 118static 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 127static 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 133static 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 140static 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 147static 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 156static 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 168static inline int is_cpu_port(struct b53_device *dev, int port) 169{ 170 return dev->sw_dev.cpu_port == port; 171} 172 173static inline struct b53_device *sw_to_b53(struct switch_dev *sw) 174{ 175 return container_of(sw, struct b53_device, sw_dev); 176} 177 178struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops, 179 void *priv); 180 181int b53_switch_detect(struct b53_device *dev); 182 183int b53_switch_register(struct b53_device *dev); 184 185static inline void b53_switch_remove(struct b53_device *dev) 186{ 187 unregister_switch(&dev->sw_dev); 188} 189 190static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) 191{ 192 int ret; 193 194 mutex_lock(&dev->reg_mutex); 195 ret = dev->ops->read8(dev, page, reg, val); 196 mutex_unlock(&dev->reg_mutex); 197 198 return ret; 199} 200 201static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) 202{ 203 int ret; 204 205 mutex_lock(&dev->reg_mutex); 206 ret = dev->ops->read16(dev, page, reg, val); 207 mutex_unlock(&dev->reg_mutex); 208 209 return ret; 210} 211 212static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) 213{ 214 int ret; 215 216 mutex_lock(&dev->reg_mutex); 217 ret = dev->ops->read32(dev, page, reg, val); 218 mutex_unlock(&dev->reg_mutex); 219 220 return ret; 221} 222 223static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) 224{ 225 int ret; 226 227 mutex_lock(&dev->reg_mutex); 228 ret = dev->ops->read48(dev, page, reg, val); 229 mutex_unlock(&dev->reg_mutex); 230 231 return ret; 232} 233 234static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) 235{ 236 int ret; 237 238 mutex_lock(&dev->reg_mutex); 239 ret = dev->ops->read64(dev, page, reg, val); 240 mutex_unlock(&dev->reg_mutex); 241 242 return ret; 243} 244 245static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) 246{ 247 int ret; 248 249 mutex_lock(&dev->reg_mutex); 250 ret = dev->ops->write8(dev, page, reg, value); 251 mutex_unlock(&dev->reg_mutex); 252 253 return ret; 254} 255 256static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg, 257 u16 value) 258{ 259 int ret; 260 261 mutex_lock(&dev->reg_mutex); 262 ret = dev->ops->write16(dev, page, reg, value); 263 mutex_unlock(&dev->reg_mutex); 264 265 return ret; 266} 267 268static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg, 269 u32 value) 270{ 271 int ret; 272 273 mutex_lock(&dev->reg_mutex); 274 ret = dev->ops->write32(dev, page, reg, value); 275 mutex_unlock(&dev->reg_mutex); 276 277 return ret; 278} 279 280static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg, 281 u64 value) 282{ 283 int ret; 284 285 mutex_lock(&dev->reg_mutex); 286 ret = dev->ops->write48(dev, page, reg, value); 287 mutex_unlock(&dev->reg_mutex); 288 289 return ret; 290} 291 292static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg, 293 u64 value) 294{ 295 int ret; 296 297 mutex_lock(&dev->reg_mutex); 298 ret = dev->ops->write64(dev, page, reg, value); 299 mutex_unlock(&dev->reg_mutex); 300 301 return ret; 302} 303 304#ifdef CONFIG_BCM47XX 305 306#include <linux/version.h> 307#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) 308#include <linux/bcm47xx_nvram.h> 309#else 310#include <bcm47xx_nvram.h> 311#endif 312#include <bcm47xx_board.h> 313static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 314{ 315 enum bcm47xx_board board = bcm47xx_board_get(); 316 317 switch (board) { 318 case BCM47XX_BOARD_LINKSYS_WRT300NV11: 319 case BCM47XX_BOARD_LINKSYS_WRT310NV1: 320 return 8; 321 default: 322 return bcm47xx_nvram_gpio_pin("robo_reset"); 323 } 324} 325#else 326static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 327{ 328 return -ENOENT; 329} 330#endif 331#endif 332