xref: /wlan-driver/fw-api/hw/qcn6432/buffer_addr_info.h (revision 5113495b16420b49004c444715d2daae2066e7dc)
1*5113495bSYour Name /*
2*5113495bSYour Name  * Copyright (c) 2023 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 #ifndef _BUFFER_ADDR_INFO_H_
19*5113495bSYour Name #define _BUFFER_ADDR_INFO_H_
20*5113495bSYour Name #if !defined(__ASSEMBLER__)
21*5113495bSYour Name #endif
22*5113495bSYour Name 
23*5113495bSYour Name #define NUM_OF_DWORDS_BUFFER_ADDR_INFO 2
24*5113495bSYour Name 
25*5113495bSYour Name 
26*5113495bSYour Name struct buffer_addr_info {
27*5113495bSYour Name #ifndef WIFI_BIT_ORDER_BIG_ENDIAN
28*5113495bSYour Name              uint32_t buffer_addr_31_0                                        : 32; // [31:0]
29*5113495bSYour Name              uint32_t buffer_addr_39_32                                       :  8, // [7:0]
30*5113495bSYour Name                       return_buffer_manager                                   :  4, // [11:8]
31*5113495bSYour Name                       sw_buffer_cookie                                        : 20; // [31:12]
32*5113495bSYour Name #else
33*5113495bSYour Name              uint32_t buffer_addr_31_0                                        : 32; // [31:0]
34*5113495bSYour Name              uint32_t sw_buffer_cookie                                        : 20, // [31:12]
35*5113495bSYour Name                       return_buffer_manager                                   :  4, // [11:8]
36*5113495bSYour Name                       buffer_addr_39_32                                       :  8; // [7:0]
37*5113495bSYour Name #endif
38*5113495bSYour Name };
39*5113495bSYour Name 
40*5113495bSYour Name 
41*5113495bSYour Name /* Description		BUFFER_ADDR_31_0
42*5113495bSYour Name 
43*5113495bSYour Name 			Address (lower 32 bits) of the MSDU buffer OR MSDU_EXTENSION
44*5113495bSYour Name 			 descriptor OR Link Descriptor
45*5113495bSYour Name 
46*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
47*5113495bSYour Name 			<legal all>
48*5113495bSYour Name */
49*5113495bSYour Name 
50*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_OFFSET                                    0x00000000
51*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_LSB                                       0
52*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_MSB                                       31
53*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_31_0_MASK                                      0xffffffff
54*5113495bSYour Name 
55*5113495bSYour Name 
56*5113495bSYour Name /* Description		BUFFER_ADDR_39_32
57*5113495bSYour Name 
58*5113495bSYour Name 			Address (upper 8 bits) of the MSDU buffer OR MSDU_EXTENSION
59*5113495bSYour Name 			 descriptor OR Link Descriptor
60*5113495bSYour Name 
61*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
62*5113495bSYour Name 			<legal all>
63*5113495bSYour Name */
64*5113495bSYour Name 
65*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_OFFSET                                   0x00000004
66*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_LSB                                      0
67*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_MSB                                      7
68*5113495bSYour Name #define BUFFER_ADDR_INFO_BUFFER_ADDR_39_32_MASK                                     0x000000ff
69*5113495bSYour Name 
70*5113495bSYour Name 
71*5113495bSYour Name /* Description		RETURN_BUFFER_MANAGER
72*5113495bSYour Name 
73*5113495bSYour Name 			Consumer: WBM
74*5113495bSYour Name 			Producer: SW/FW
75*5113495bSYour Name 
76*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
77*5113495bSYour Name 
78*5113495bSYour Name 			Indicates to which buffer manager the buffer OR MSDU_EXTENSION
79*5113495bSYour Name 			 descriptor OR link descriptor that is being pointed to
80*5113495bSYour Name 			shall be returned after the frame has been processed. It
81*5113495bSYour Name 			 is used by WBM for routing purposes.
82*5113495bSYour Name 
83*5113495bSYour Name 			<enum 0 WBM_IDLE_BUF_LIST> This buffer shall be returned
84*5113495bSYour Name 			 to the WMB buffer idle list
85*5113495bSYour Name 			<enum 1 WBM_CHIP0_IDLE_DESC_LIST> This buffer shall be returned
86*5113495bSYour Name 			 to the WBM idle link descriptor idle list, where the chip
87*5113495bSYour Name 			 0 WBM is chosen in case of a multi-chip config
88*5113495bSYour Name 			<enum 2 WBM_CHIP1_IDLE_DESC_LIST> This buffer shall be returned
89*5113495bSYour Name 			 to the chip 1 WBM idle link descriptor idle list
90*5113495bSYour Name 			<enum 3 WBM_CHIP2_IDLE_DESC_LIST> This buffer shall be returned
91*5113495bSYour Name 			 to the chip 2 WBM idle link descriptor idle list
92*5113495bSYour Name 			<enum 12 WBM_CHIP3_IDLE_DESC_LIST> This buffer shall be
93*5113495bSYour Name 			returned to chip 3 WBM idle link descriptor idle list
94*5113495bSYour Name 			<enum 4 FW_BM> This buffer shall be returned to the FW
95*5113495bSYour Name 			<enum 5 SW0_BM> This buffer shall be returned to the SW,
96*5113495bSYour Name 			ring 0
97*5113495bSYour Name 			<enum 6 SW1_BM> This buffer shall be returned to the SW,
98*5113495bSYour Name 			ring 1
99*5113495bSYour Name 			<enum 7 SW2_BM> This buffer shall be returned to the SW,
100*5113495bSYour Name 			ring 2
101*5113495bSYour Name 			<enum 8 SW3_BM> This buffer shall be returned to the SW,
102*5113495bSYour Name 			ring 3
103*5113495bSYour Name 			<enum 9 SW4_BM> This buffer shall be returned to the SW,
104*5113495bSYour Name 			ring 4
105*5113495bSYour Name 			<enum 10 SW5_BM> This buffer shall be returned to the SW,
106*5113495bSYour Name 			ring 5
107*5113495bSYour Name 			<enum 11 SW6_BM> This buffer shall be returned to the SW,
108*5113495bSYour Name 			ring 6
109*5113495bSYour Name 
110*5113495bSYour Name 			<legal 0-12>
111*5113495bSYour Name */
112*5113495bSYour Name 
113*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_OFFSET                               0x00000004
114*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_LSB                                  8
115*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_MSB                                  11
116*5113495bSYour Name #define BUFFER_ADDR_INFO_RETURN_BUFFER_MANAGER_MASK                                 0x00000f00
117*5113495bSYour Name 
118*5113495bSYour Name 
119*5113495bSYour Name /* Description		SW_BUFFER_COOKIE
120*5113495bSYour Name 
121*5113495bSYour Name 			Cookie field exclusively used by SW.
122*5113495bSYour Name 
123*5113495bSYour Name 			In case of 'NULL' pointer, this field is set to 0
124*5113495bSYour Name 
125*5113495bSYour Name 			HW ignores the contents, accept that it passes the programmed
126*5113495bSYour Name 			 value on to other descriptors together with the physical
127*5113495bSYour Name 			 address
128*5113495bSYour Name 
129*5113495bSYour Name 			Field can be used by SW to for example associate the buffers
130*5113495bSYour Name 			 physical address with the virtual address
131*5113495bSYour Name 			The bit definitions as used by SW are within SW HLD specification
132*5113495bSYour Name 
133*5113495bSYour Name 
134*5113495bSYour Name 			NOTE1:
135*5113495bSYour Name 			The three most significant bits can have a special meaning
136*5113495bSYour Name 			 in case this struct is embedded in a TX_MPDU_DETAILS STRUCT,
137*5113495bSYour Name 			and field transmit_bw_restriction is set
138*5113495bSYour Name 
139*5113495bSYour Name 			In case of NON punctured transmission:
140*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b000: 20 MHz TX only
141*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b001: 40 MHz TX only
142*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b010: 80 MHz TX only
143*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b011: 160 MHz TX only
144*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b101: 240 MHz TX only
145*5113495bSYour Name 			Sw_buffer_cookie[19:17] = 3'b100: 320 MHz TX only
146*5113495bSYour Name 			Sw_buffer_cookie[19:18] = 2'b11: reserved
147*5113495bSYour Name 
148*5113495bSYour Name 			In case of punctured transmission:
149*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0000: pattern 0 only
150*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0001: pattern 1 only
151*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0010: pattern 2 only
152*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0011: pattern 3 only
153*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0100: pattern 4 only
154*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0101: pattern 5 only
155*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0110: pattern 6 only
156*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b0111: pattern 7 only
157*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1000: pattern 8 only
158*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1001: pattern 9 only
159*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1010: pattern 10 only
160*5113495bSYour Name 			Sw_buffer_cookie[19:16] = 4'b1011: pattern 11 only
161*5113495bSYour Name 			Sw_buffer_cookie[19:18] = 2'b11: reserved
162*5113495bSYour Name 
163*5113495bSYour Name 			Note: a punctured transmission is indicated by the presence
164*5113495bSYour Name 			 of TLV TX_PUNCTURE_SETUP embedded in the scheduler TLV
165*5113495bSYour Name 
166*5113495bSYour Name 			<legal all>
167*5113495bSYour Name */
168*5113495bSYour Name 
169*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_OFFSET                                    0x00000004
170*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_LSB                                       12
171*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_MSB                                       31
172*5113495bSYour Name #define BUFFER_ADDR_INFO_SW_BUFFER_COOKIE_MASK                                      0xfffff000
173*5113495bSYour Name 
174*5113495bSYour Name 
175*5113495bSYour Name 
176*5113495bSYour Name #endif   // BUFFER_ADDR_INFO
177