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1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2009-2010 Realtek Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * The full GNU General Public License is included in this distribution in the | |
15 | * file called LICENSE. | |
16 | * | |
17 | * Contact Information: | |
18 | * wlanfae <wlanfae@realtek.com> | |
19 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
20 | * Hsinchu 300, Taiwan. | |
21 | * | |
22 | * Larry Finger <Larry.Finger@lwfinger.net> | |
23 | * | |
24 | *****************************************************************************/ | |
25 | ||
26 | #ifndef __RTL_PCI_H__ | |
27 | #define __RTL_PCI_H__ | |
28 | ||
29 | #include <linux/pci.h> | |
30 | /* | |
31 | 1: MSDU packet queue, | |
32 | 2: Rx Command Queue | |
33 | */ | |
34 | #define RTL_PCI_RX_MPDU_QUEUE 0 | |
35 | #define RTL_PCI_RX_CMD_QUEUE 1 | |
36 | #define RTL_PCI_MAX_RX_QUEUE 2 | |
37 | ||
38 | #define RTL_PCI_MAX_RX_COUNT 512/*64*/ | |
39 | #define RTL_PCI_MAX_TX_QUEUE_COUNT 9 | |
40 | ||
41 | #define RT_TXDESC_NUM 128 | |
42 | #define TX_DESC_NUM_92E 512 | |
43 | #define RT_TXDESC_NUM_BE_QUEUE 256 | |
44 | ||
45 | #define BK_QUEUE 0 | |
46 | #define BE_QUEUE 1 | |
47 | #define VI_QUEUE 2 | |
48 | #define VO_QUEUE 3 | |
49 | #define BEACON_QUEUE 4 | |
50 | #define TXCMD_QUEUE 5 | |
51 | #define MGNT_QUEUE 6 | |
52 | #define HIGH_QUEUE 7 | |
53 | #define HCCA_QUEUE 8 | |
54 | ||
55 | #define RTL_PCI_DEVICE(vend, dev, cfg) \ | |
56 | .vendor = (vend), \ | |
57 | .device = (dev), \ | |
58 | .subvendor = PCI_ANY_ID, \ | |
59 | .subdevice = PCI_ANY_ID,\ | |
60 | .driver_data = (kernel_ulong_t)&(cfg) | |
61 | ||
62 | #define INTEL_VENDOR_ID 0x8086 | |
63 | #define SIS_VENDOR_ID 0x1039 | |
64 | #define ATI_VENDOR_ID 0x1002 | |
65 | #define ATI_DEVICE_ID 0x7914 | |
66 | #define AMD_VENDOR_ID 0x1022 | |
67 | ||
68 | #define PCI_MAX_BRIDGE_NUMBER 255 | |
69 | #define PCI_MAX_DEVICES 32 | |
70 | #define PCI_MAX_FUNCTION 8 | |
71 | ||
72 | #define PCI_CONF_ADDRESS 0x0CF8 /*PCI Configuration Space Address */ | |
73 | #define PCI_CONF_DATA 0x0CFC /*PCI Configuration Space Data */ | |
74 | ||
75 | #define PCI_CLASS_BRIDGE_DEV 0x06 | |
76 | #define PCI_SUBCLASS_BR_PCI_TO_PCI 0x04 | |
77 | #define PCI_CAPABILITY_ID_PCI_EXPRESS 0x10 | |
78 | #define PCI_CAP_ID_EXP 0x10 | |
79 | ||
80 | #define U1DONTCARE 0xFF | |
81 | #define U2DONTCARE 0xFFFF | |
82 | #define U4DONTCARE 0xFFFFFFFF | |
83 | ||
84 | #define RTL_PCI_8192_DID 0x8192 /*8192 PCI-E */ | |
85 | #define RTL_PCI_8192SE_DID 0x8192 /*8192 SE */ | |
86 | #define RTL_PCI_8174_DID 0x8174 /*8192 SE */ | |
87 | #define RTL_PCI_8173_DID 0x8173 /*8191 SE Crab */ | |
88 | #define RTL_PCI_8172_DID 0x8172 /*8191 SE RE */ | |
89 | #define RTL_PCI_8171_DID 0x8171 /*8191 SE Unicron */ | |
90 | #define RTL_PCI_0045_DID 0x0045 /*8190 PCI for Ceraga */ | |
91 | #define RTL_PCI_0046_DID 0x0046 /*8190 Cardbus for Ceraga */ | |
92 | #define RTL_PCI_0044_DID 0x0044 /*8192e PCIE for Ceraga */ | |
93 | #define RTL_PCI_0047_DID 0x0047 /*8192e Express Card for Ceraga */ | |
94 | #define RTL_PCI_700F_DID 0x700F | |
95 | #define RTL_PCI_701F_DID 0x701F | |
96 | #define RTL_PCI_DLINK_DID 0x3304 | |
97 | #define RTL_PCI_8723AE_DID 0x8723 /*8723e */ | |
98 | #define RTL_PCI_8192CET_DID 0x8191 /*8192ce */ | |
99 | #define RTL_PCI_8192CE_DID 0x8178 /*8192ce */ | |
100 | #define RTL_PCI_8191CE_DID 0x8177 /*8192ce */ | |
101 | #define RTL_PCI_8188CE_DID 0x8176 /*8192ce */ | |
102 | #define RTL_PCI_8192CU_DID 0x8191 /*8192ce */ | |
103 | #define RTL_PCI_8192DE_DID 0x8193 /*8192de */ | |
104 | #define RTL_PCI_8192DE_DID2 0x002B /*92DE*/ | |
105 | #define RTL_PCI_8188EE_DID 0x8179 /*8188ee*/ | |
106 | #define RTL_PCI_8723BE_DID 0xB723 /*8723be*/ | |
107 | #define RTL_PCI_8192EE_DID 0x818B /*8192ee*/ | |
108 | #define RTL_PCI_8821AE_DID 0x8821 /*8821ae*/ | |
109 | #define RTL_PCI_8812AE_DID 0x8812 /*8812ae*/ | |
110 | ||
111 | /*8192 support 16 pages of IO registers*/ | |
112 | #define RTL_MEM_MAPPED_IO_RANGE_8190PCI 0x1000 | |
113 | #define RTL_MEM_MAPPED_IO_RANGE_8192PCIE 0x4000 | |
114 | #define RTL_MEM_MAPPED_IO_RANGE_8192SE 0x4000 | |
115 | #define RTL_MEM_MAPPED_IO_RANGE_8192CE 0x4000 | |
116 | #define RTL_MEM_MAPPED_IO_RANGE_8192DE 0x4000 | |
117 | ||
118 | #define RTL_PCI_REVISION_ID_8190PCI 0x00 | |
119 | #define RTL_PCI_REVISION_ID_8192PCIE 0x01 | |
120 | #define RTL_PCI_REVISION_ID_8192SE 0x10 | |
121 | #define RTL_PCI_REVISION_ID_8192CE 0x1 | |
122 | #define RTL_PCI_REVISION_ID_8192DE 0x0 | |
123 | ||
124 | #define RTL_DEFAULT_HARDWARE_TYPE HARDWARE_TYPE_RTL8192CE | |
125 | ||
126 | enum pci_bridge_vendor { | |
127 | PCI_BRIDGE_VENDOR_INTEL = 0x0, /*0b'0000,0001 */ | |
128 | PCI_BRIDGE_VENDOR_ATI, /*0b'0000,0010*/ | |
129 | PCI_BRIDGE_VENDOR_AMD, /*0b'0000,0100*/ | |
130 | PCI_BRIDGE_VENDOR_SIS, /*0b'0000,1000*/ | |
131 | PCI_BRIDGE_VENDOR_UNKNOWN, /*0b'0100,0000*/ | |
132 | PCI_BRIDGE_VENDOR_MAX, | |
133 | }; | |
134 | ||
135 | struct rtl_pci_capabilities_header { | |
136 | u8 capability_id; | |
137 | u8 next; | |
138 | }; | |
139 | ||
140 | /* In new TRX flow, Buffer_desc is new concept | |
141 | * But TX wifi info == TX descriptor in old flow | |
142 | * RX wifi info == RX descriptor in old flow */ | |
143 | struct rtl_tx_buffer_desc { | |
144 | #if (RTL8192EE_SEG_NUM == 2) | |
145 | u32 dword[2*(DMA_IS_64BIT + 1)*8]; /*seg = 8*/ | |
146 | #elif (RTL8192EE_SEG_NUM == 1) | |
147 | u32 dword[2*(DMA_IS_64BIT + 1)*4]; /*seg = 4*/ | |
148 | #elif (RTL8192EE_SEG_NUM == 0) | |
149 | u32 dword[2*(DMA_IS_64BIT + 1)*2]; /*seg = 2*/ | |
150 | #endif | |
151 | } __packed; | |
152 | ||
153 | struct rtl_tx_desc {/*old: tx desc new: tx wifi info*/ | |
154 | u32 dword[16]; | |
155 | } __packed; | |
156 | ||
157 | struct rtl_rx_buffer_desc { /*rx buffer desc*/ | |
158 | u32 dword[2]; | |
159 | } __packed; | |
160 | ||
161 | struct rtl_rx_desc { /*old: rx desc new: rx wifi info*/ | |
162 | u32 dword[8]; | |
163 | } __packed; | |
164 | ||
165 | struct rtl_tx_cmd_desc { | |
166 | u32 dword[16]; | |
167 | } __packed; | |
168 | ||
169 | struct rtl8192_tx_ring { | |
170 | struct rtl_tx_desc *desc; /*tx desc / tx wifi info*/ | |
171 | dma_addr_t dma; /*tx desc dma memory / tx wifi info dma memory*/ | |
172 | unsigned int idx; | |
173 | unsigned int entries; | |
174 | struct sk_buff_head queue; | |
175 | /*add for new trx flow*/ | |
176 | struct rtl_tx_buffer_desc *buffer_desc; /*tx buffer descriptor*/ | |
177 | dma_addr_t buffer_desc_dma; /*tx bufferd desc dma memory*/ | |
178 | u16 avl_desc; /* available_desc_to_write */ | |
179 | u16 cur_tx_wp; /* current_tx_write_point */ | |
180 | u16 cur_tx_rp; /* current_tx_read_point */ | |
181 | }; | |
182 | ||
183 | struct rtl8192_rx_ring { | |
184 | struct rtl_rx_desc *desc;/*for old trx flow, not uesd in new trx*/ | |
185 | /*dma matches either 'desc' or 'buffer_desc'*/ | |
186 | dma_addr_t dma; | |
187 | unsigned int idx; | |
188 | struct sk_buff *rx_buf[RTL_PCI_MAX_RX_COUNT]; | |
189 | /*add for new trx flow*/ | |
190 | struct rtl_rx_buffer_desc *buffer_desc; /*rx buffer descriptor*/ | |
191 | u16 next_rx_rp; /* next_rx_read_point */ | |
192 | }; | |
193 | ||
194 | struct rtl_pci { | |
195 | struct pci_dev *pdev; | |
196 | bool irq_enabled; | |
197 | ||
198 | /*Tx */ | |
199 | struct rtl8192_tx_ring tx_ring[RTL_PCI_MAX_TX_QUEUE_COUNT]; | |
200 | int txringcount[RTL_PCI_MAX_TX_QUEUE_COUNT]; | |
201 | u32 transmit_config; | |
202 | ||
203 | /*Rx */ | |
204 | struct rtl8192_rx_ring rx_ring[RTL_PCI_MAX_RX_QUEUE]; | |
205 | int rxringcount; | |
206 | u16 rxbuffersize; | |
207 | u32 receive_config; | |
208 | ||
209 | /*irq */ | |
210 | u8 irq_alloc; | |
211 | u32 irq_mask[2]; | |
212 | u32 sys_irq_mask; | |
213 | ||
214 | /*Bcn control register setting */ | |
215 | u32 reg_bcn_ctrl_val; | |
216 | ||
217 | /*ASPM*/ u8 const_pci_aspm; | |
218 | u8 const_amdpci_aspm; | |
219 | u8 const_hwsw_rfoff_d3; | |
220 | u8 const_support_pciaspm; | |
221 | /*pci-e bridge */ | |
222 | u8 const_hostpci_aspm_setting; | |
223 | /*pci-e device */ | |
224 | u8 const_devicepci_aspm_setting; | |
225 | /*If it supports ASPM, Offset[560h] = 0x40, | |
226 | otherwise Offset[560h] = 0x00. */ | |
227 | bool b_support_aspm; | |
228 | bool b_support_backdoor; | |
229 | ||
230 | /*QOS & EDCA */ | |
231 | enum acm_method acm_method; | |
232 | ||
233 | u16 shortretry_limit; | |
234 | u16 longretry_limit; | |
235 | ||
236 | /* MSI support */ | |
237 | bool msi_support; | |
238 | bool using_msi; | |
239 | }; | |
240 | ||
241 | struct mp_adapter { | |
242 | u8 linkctrl_reg; | |
243 | ||
244 | u8 busnumber; | |
245 | u8 devnumber; | |
246 | u8 funcnumber; | |
247 | ||
248 | u8 pcibridge_busnum; | |
249 | u8 pcibridge_devnum; | |
250 | u8 pcibridge_funcnum; | |
251 | ||
252 | u8 pcibridge_vendor; | |
253 | u16 pcibridge_vendorid; | |
254 | u16 pcibridge_deviceid; | |
255 | ||
256 | u32 pcicfg_addrport; | |
257 | u8 num4bytes; | |
258 | ||
259 | u8 pcibridge_pciehdr_offset; | |
260 | u8 pcibridge_linkctrlreg; | |
261 | ||
262 | bool amd_l1_patch; | |
263 | }; | |
264 | ||
265 | struct rtl_pci_priv { | |
266 | struct rtl_pci dev; | |
267 | struct mp_adapter ndis_adapter; | |
268 | struct rtl_led_ctl ledctl; | |
269 | struct bt_coexist_info btcoexist; | |
270 | }; | |
271 | ||
272 | #define rtl_pcipriv(hw) (((struct rtl_pci_priv *)(rtl_priv(hw))->priv)) | |
273 | #define rtl_pcidev(pcipriv) (&((pcipriv)->dev)) | |
274 | ||
275 | int rtl92e_pci_reset_trx_ring(struct ieee80211_hw *hw); | |
276 | ||
277 | extern struct rtl_intf_ops rtl92e_pci_ops; | |
278 | ||
279 | int stg_rtl_pci_probe(struct pci_dev *pdev, | |
280 | const struct pci_device_id *id); | |
281 | void stg_rtl_pci_disconnect(struct pci_dev *pdev); | |
282 | int stg_rtl_pci_suspend(struct device *dev); | |
283 | int stg_rtl_pci_resume(struct device *dev); | |
284 | ||
285 | static inline u8 pci_read8_sync(struct rtl_priv *rtlpriv, u32 addr) | |
286 | { | |
287 | return 0xff & readb((u8 __iomem *)rtlpriv->io.pci_mem_start + addr); | |
288 | } | |
289 | ||
290 | static inline u16 pci_read16_sync(struct rtl_priv *rtlpriv, u32 addr) | |
291 | { | |
292 | return readw((u8 __iomem *)rtlpriv->io.pci_mem_start + addr); | |
293 | } | |
294 | ||
295 | static inline u32 pci_read32_sync(struct rtl_priv *rtlpriv, u32 addr) | |
296 | { | |
297 | return readl((u8 __iomem *)rtlpriv->io.pci_mem_start + addr); | |
298 | } | |
299 | ||
300 | static inline void pci_write8_async(struct rtl_priv *rtlpriv, u32 addr, u8 val) | |
301 | { | |
302 | writeb(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr); | |
303 | } | |
304 | ||
305 | static inline void pci_write16_async(struct rtl_priv *rtlpriv, | |
306 | u32 addr, u16 val) | |
307 | { | |
308 | writew(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr); | |
309 | } | |
310 | ||
311 | static inline void pci_write32_async(struct rtl_priv *rtlpriv, | |
312 | u32 addr, u32 val) | |
313 | { | |
314 | writel(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr); | |
315 | } | |
316 | ||
317 | static inline void rtl_pci_raw_write_port_ulong(u32 port, u32 val) | |
318 | { | |
319 | outl(val, port); | |
320 | } | |
321 | ||
322 | static inline void rtl_pci_raw_write_port_uchar(u32 port, u8 val) | |
323 | { | |
324 | outb(val, port); | |
325 | } | |
326 | ||
327 | static inline void rtl_pci_raw_read_port_uchar(u32 port, u8 *pval) | |
328 | { | |
329 | *pval = inb(port); | |
330 | } | |
331 | ||
332 | static inline void rtl_pci_raw_read_port_ushort(u32 port, u16 *pval) | |
333 | { | |
334 | *pval = inw(port); | |
335 | } | |
336 | ||
337 | static inline void rtl_pci_raw_read_port_ulong(u32 port, u32 *pval) | |
338 | { | |
339 | *pval = inl(port); | |
340 | } | |
341 | ||
342 | #endif |