xref: /wlan-driver/fw-api/hw/qca5332/buffer_addr_info.h (revision 5113495b16420b49004c444715d2daae2066e7dc)
1*5113495bSYour Name 
2*5113495bSYour Name /* Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
3*5113495bSYour Name  *
4*5113495bSYour Name  * Permission to use, copy, modify, and/or distribute this software for any
5*5113495bSYour Name  * purpose with or without fee is hereby granted, provided that the above
6*5113495bSYour Name  * copyright notice and this permission notice appear in all copies.
7*5113495bSYour Name  *
8*5113495bSYour Name  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*5113495bSYour Name  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*5113495bSYour Name  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11*5113495bSYour Name  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*5113495bSYour Name  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13*5113495bSYour Name  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14*5113495bSYour Name  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*5113495bSYour Name  */
16*5113495bSYour Name 
17*5113495bSYour Name 
18*5113495bSYour Name 
19*5113495bSYour Name 
20*5113495bSYour Name 
21*5113495bSYour Name 
22*5113495bSYour Name 
23*5113495bSYour Name 
24*5113495bSYour Name 
25*5113495bSYour Name 
26*5113495bSYour Name #ifndef _BUFFER_ADDR_INFO_H_
27*5113495bSYour Name #define _BUFFER_ADDR_INFO_H_
28*5113495bSYour Name #if !defined(__ASSEMBLER__)
29*5113495bSYour Name #endif
30*5113495bSYour Name 
31*5113495bSYour Name #define NUM_OF_DWORDS_BUFFER_ADDR_INFO 2
32*5113495bSYour Name 
33*5113495bSYour Name 
34*5113495bSYour Name struct buffer_addr_info {
35*5113495bSYour Name #ifndef WIFI_BIT_ORDER_BIG_ENDIAN
36*5113495bSYour Name              uint32_t buffer_addr_31_0                                        : 32; // [31:0]
37*5113495bSYour Name              uint32_t buffer_addr_39_32                                       :  8, // [7:0]
38*5113495bSYour Name                       return_buffer_manager                                   :  4, // [11:8]
39*5113495bSYour Name                       sw_buffer_cookie                                        : 20; // [31:12]
40*5113495bSYour Name #else
41*5113495bSYour Name              uint32_t buffer_addr_31_0                                        : 32; // [31:0]
42*5113495bSYour Name              uint32_t sw_buffer_cookie                                        : 20, // [31:12]
43*5113495bSYour Name                       return_buffer_manager                                   :  4, // [11:8]
44*5113495bSYour Name                       buffer_addr_39_32                                       :  8; // [7:0]
45*5113495bSYour Name #endif
46*5113495bSYour Name };
47*5113495bSYour Name 
48*5113495bSYour Name 
49*5113495bSYour Name /* Description		BUFFER_ADDR_31_0
50*5113495bSYour Name 
51*5113495bSYour Name 			Address (lower 32 bits) of the MSDU buffer OR MSDU_EXTENSION
52*5113495bSYour Name 			 descriptor OR Link Descriptor
53*5113495bSYour Name 
54*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
55*5113495bSYour Name 			<legal all>
56*5113495bSYour Name */
57*5113495bSYour Name 
58*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_OFFSET                                    0x00000000
59*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_LSB                                       0
60*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_MSB                                       31
61*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_MASK                                      0xffffffff
62*5113495bSYour Name 
63*5113495bSYour Name 
64*5113495bSYour Name /* Description		BUFFER_ADDR_39_32
65*5113495bSYour Name 
66*5113495bSYour Name 			Address (upper 8 bits) of the MSDU buffer OR MSDU_EXTENSION
67*5113495bSYour Name 			 descriptor OR Link Descriptor
68*5113495bSYour Name 
69*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
70*5113495bSYour Name 			<legal all>
71*5113495bSYour Name */
72*5113495bSYour Name 
73*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_OFFSET                                   0x00000004
74*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_LSB                                      0
75*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_MSB                                      7
76*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_MASK                                     0x000000ff
77*5113495bSYour Name 
78*5113495bSYour Name 
79*5113495bSYour Name /* Description		RETURN_BUFFER_MANAGER
80*5113495bSYour Name 
81*5113495bSYour Name 			Consumer: WBM
82*5113495bSYour Name 			Producer: SW/FW
83*5113495bSYour Name 
84*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
85*5113495bSYour Name 
86*5113495bSYour Name 			Indicates to which buffer manager the buffer OR MSDU_EXTENSION
87*5113495bSYour Name 			 descriptor OR link descriptor that is being pointed to
88*5113495bSYour Name 			shall be returned after the frame has been processed. It
89*5113495bSYour Name 			 is used by WBM for routing purposes.
90*5113495bSYour Name 
91*5113495bSYour Name 			<enum 0 WBM_IDLE_BUF_LIST> This buffer shall be returned
92*5113495bSYour Name 			 to the WMB buffer idle list
93*5113495bSYour Name 			<enum 1 WBM_CHIP0_IDLE_DESC_LIST> This buffer shall be returned
94*5113495bSYour Name 			 to the WBM idle link descriptor idle list, where the chip
95*5113495bSYour Name 			 0 WBM is chosen in case of a multi-chip config
96*5113495bSYour Name 			<enum 2 WBM_CHIP1_IDLE_DESC_LIST> This buffer shall be returned
97*5113495bSYour Name 			 to the chip 1 WBM idle link descriptor idle list
98*5113495bSYour Name 			<enum 3 WBM_CHIP2_IDLE_DESC_LIST> This buffer shall be returned
99*5113495bSYour Name 			 to the chip 2 WBM idle link descriptor idle list
100*5113495bSYour Name 			<enum 12 WBM_CHIP3_IDLE_DESC_LIST> This buffer shall be
101*5113495bSYour Name 			returned to chip 3 WBM idle link descriptor idle list
102*5113495bSYour Name 			<enum 4 FW_BM> This buffer shall be returned to the FW
103*5113495bSYour Name 			<enum 5 SW0_BM> This buffer shall be returned to the SW,
104*5113495bSYour Name 			ring 0
105*5113495bSYour Name 			<enum 6 SW1_BM> This buffer shall be returned to the SW,
106*5113495bSYour Name 			ring 1
107*5113495bSYour Name 			<enum 7 SW2_BM> This buffer shall be returned to the SW,
108*5113495bSYour Name 			ring 2
109*5113495bSYour Name 			<enum 8 SW3_BM> This buffer shall be returned to the SW,
110*5113495bSYour Name 			ring 3
111*5113495bSYour Name 			<enum 9 SW4_BM> This buffer shall be returned to the SW,
112*5113495bSYour Name 			ring 4
113*5113495bSYour Name 			<enum 10 SW5_BM> This buffer shall be returned to the SW,
114*5113495bSYour Name 			ring 5
115*5113495bSYour Name 			<enum 11 SW6_BM> This buffer shall be returned to the SW,
116*5113495bSYour Name 			ring 6
117*5113495bSYour Name 
118*5113495bSYour Name 			<legal 0-12>
119*5113495bSYour Name */
120*5113495bSYour Name 
121*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_OFFSET                               0x00000004
122*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_LSB                                  8
123*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_MSB                                  11
124*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_MASK                                 0x00000f00
125*5113495bSYour Name 
126*5113495bSYour Name 
127*5113495bSYour Name /* Description		SW_BUFFER_COOKIE
128*5113495bSYour Name 
129*5113495bSYour Name 			Cookie field exclusively used by SW.
130*5113495bSYour Name 
131*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
132*5113495bSYour Name 
133*5113495bSYour Name 			HW ignores the contents, accept that it passes the programmed
134*5113495bSYour Name 			 value on to other descriptors together with the physical
135*5113495bSYour Name 			 address
136*5113495bSYour Name 
137*5113495bSYour Name 			Field can be used by SW to for example associate the buffers
138*5113495bSYour Name 			 physical address with the virtual address
139*5113495bSYour Name 			The bit definitions as used by SW are within SW HLD specification
140*5113495bSYour Name 
141*5113495bSYour Name 
142*5113495bSYour Name 			NOTE1:
143*5113495bSYour Name 			The three most significant bits can have a special meaning
144*5113495bSYour Name 			 in case this struct is embedded in a TX_MPDU_DETAILS STRUCT,
145*5113495bSYour Name 			and field transmit_bw_restriction is set
146*5113495bSYour Name 
147*5113495bSYour Name 			In case of NON punctured transmission:
148*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b000: 20 MHz TX only
149*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b001: 40 MHz TX only
150*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b010: 80 MHz TX only
151*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b011: 160 MHz TX only
152*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b101: 240 MHz TX only
153*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b100: 320 MHz TX only
154*5113495bSYour Name 			Sw_buffer_cookie[19:18] = 2'b11: reserved
155*5113495bSYour Name 
156*5113495bSYour Name 			In case of punctured transmission:
157*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0000: pattern 0 only
158*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0001: pattern 1 only
159*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0010: pattern 2 only
160*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0011: pattern 3 only
161*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0100: pattern 4 only
162*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0101: pattern 5 only
163*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0110: pattern 6 only
164*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0111: pattern 7 only
165*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1000: pattern 8 only
166*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1001: pattern 9 only
167*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1010: pattern 10 only
168*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1011: pattern 11 only
169*5113495bSYour Name 			Sw_buffer_cookie[19:18] = 2'b11: reserved
170*5113495bSYour Name 
171*5113495bSYour Name 			Note: a punctured transmission is indicated by the presence
172*5113495bSYour Name 			 of TLV TX_PUNCTURE_SETUP embedded in the scheduler TLV
173*5113495bSYour Name 
174*5113495bSYour Name 			<legal all>
175*5113495bSYour Name */
176*5113495bSYour Name 
177*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_OFFSET                                    0x00000004
178*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_LSB                                       12
179*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_MSB                                       31
180*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_MASK                                      0xfffff000
181*5113495bSYour Name 
182*5113495bSYour Name 
183*5113495bSYour Name 
184*5113495bSYour Name #endif   // BUFFER_ADDR_INFO
185