drivers/net/wireless/ath/ath10k/ahb.h

   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_ */