xref: /linux/drivers/net/wireless/ath/ath10k/ahb.h (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1 /*
2  * Copyright (c) 2016 Qualcomm Atheros, Inc. All rights reserved.
3  * Copyright (c) 2015 The Linux Foundation. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #ifndef _AHB_H_
19 #define _AHB_H_
20 
21 #include <linux/platform_device.h>
22 
23 struct ath10k_ahb {
24 	struct platform_device *pdev;
25 	void __iomem *mem;
26 	unsigned long mem_len;
27 	void __iomem *gcc_mem;
28 	void __iomem *tcsr_mem;
29 
30 	int irq;
31 
32 	struct clk *cmd_clk;
33 	struct clk *ref_clk;
34 	struct clk *rtc_clk;
35 
36 	struct reset_control *core_cold_rst;
37 	struct reset_control *radio_cold_rst;
38 	struct reset_control *radio_warm_rst;
39 	struct reset_control *radio_srif_rst;
40 	struct reset_control *cpu_init_rst;
41 };
42 
43 #ifdef CONFIG_ATH10K_AHB
44 
45 #define ATH10K_GCC_REG_BASE                  0x1800000
46 #define ATH10K_GCC_REG_SIZE                  0x60000
47 
48 #define ATH10K_TCSR_REG_BASE                 0x1900000
49 #define ATH10K_TCSR_REG_SIZE                 0x80000
50 
51 #define ATH10K_AHB_GCC_FEPLL_PLL_DIV         0x2f020
52 #define ATH10K_AHB_WIFI_SCRATCH_5_REG        0x4f014
53 
54 #define ATH10K_AHB_WLAN_CORE_ID_REG          0x82030
55 
56 #define ATH10K_AHB_TCSR_WIFI0_GLB_CFG        0x49000
57 #define ATH10K_AHB_TCSR_WIFI1_GLB_CFG        0x49004
58 #define TCSR_WIFIX_GLB_CFG_DISABLE_CORE_CLK  BIT(25)
59 
60 #define ATH10K_AHB_TCSR_WCSS0_HALTREQ        0x52000
61 #define ATH10K_AHB_TCSR_WCSS1_HALTREQ        0x52010
62 #define ATH10K_AHB_TCSR_WCSS0_HALTACK        0x52004
63 #define ATH10K_AHB_TCSR_WCSS1_HALTACK        0x52014
64 
65 #define ATH10K_AHB_AXI_BUS_HALT_TIMEOUT      10 /* msec */
66 #define AHB_AXI_BUS_HALT_REQ                 1
67 #define AHB_AXI_BUS_HALT_ACK                 1
68 
69 #define ATH10K_AHB_CORE_CTRL_CPU_INTR_MASK   1
70 
71 int ath10k_ahb_init(void);
72 void ath10k_ahb_exit(void);
73 
74 #else /* CONFIG_ATH10K_AHB */
75 
76 static inline int ath10k_ahb_init(void)
77 {
78 	return 0;
79 }
80 
81 static inline void ath10k_ahb_exit(void)
82 {
83 }
84 
85 #endif /* CONFIG_ATH10K_AHB */
86 
87 #endif /* _AHB_H_ */
88