xref: /wlan-driver/qca-wifi-host-cmn/hif/src/pcie/if_pci_internal.h (revision 5113495b16420b49004c444715d2daae2066e7dc)
1*5113495bSYour Name /*
2*5113495bSYour Name  * Copyright (c) 2015-2016, 2018-2020 The Linux Foundation. All rights reserved.
3*5113495bSYour Name  *
4*5113495bSYour Name  * Permission to use, copy, modify, and/or distribute this software for
5*5113495bSYour Name  * any purpose with or without fee is hereby granted, provided that the
6*5113495bSYour Name  * above copyright notice and this permission notice appear in all
7*5113495bSYour Name  * copies.
8*5113495bSYour Name  *
9*5113495bSYour Name  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10*5113495bSYour Name  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11*5113495bSYour Name  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12*5113495bSYour Name  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13*5113495bSYour Name  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14*5113495bSYour Name  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15*5113495bSYour Name  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16*5113495bSYour Name  * PERFORMANCE OF THIS SOFTWARE.
17*5113495bSYour Name  */
18*5113495bSYour Name 
19*5113495bSYour Name #ifndef __IF_PCI_INTERNAL_H__
20*5113495bSYour Name #define __IF_PCI_INTERNAL_H__
21*5113495bSYour Name 
22*5113495bSYour Name #ifdef DISABLE_L1SS_STATES
23*5113495bSYour Name #define PCI_CFG_TO_DISABLE_L1SS_STATES(pdev, addr) \
24*5113495bSYour Name { \
25*5113495bSYour Name 	uint32_t lcr_val; \
26*5113495bSYour Name 	pfrm_read_config_dword(pdev, addr, &lcr_val); \
27*5113495bSYour Name 	pfrm_write_config_dword(pdev, addr, (lcr_val & ~0x0000000f)); \
28*5113495bSYour Name }
29*5113495bSYour Name #else
30*5113495bSYour Name #define PCI_CFG_TO_DISABLE_L1SS_STATES(pdev, addr)
31*5113495bSYour Name #endif
32*5113495bSYour Name 
33*5113495bSYour Name #ifdef QCA_WIFI_3_0
34*5113495bSYour Name #define PCI_CLR_CAUSE0_REGISTER(sc) \
35*5113495bSYour Name { \
36*5113495bSYour Name 	uint32_t tmp_cause0; \
37*5113495bSYour Name 	tmp_cause0 = hif_read32_mb(sc, sc->mem + PCIE_INTR_CAUSE_ADDRESS); \
38*5113495bSYour Name 	hif_write32_mb(sc, sc->mem + PCIE_INTR_CLR_ADDRESS, \
39*5113495bSYour Name 		      PCIE_INTR_FIRMWARE_MASK | tmp_cause0); \
40*5113495bSYour Name 	hif_read32_mb(sc, sc->mem + PCIE_INTR_CLR_ADDRESS); \
41*5113495bSYour Name 	hif_write32_mb(sc, sc->mem + PCIE_INTR_CLR_ADDRESS, 0); \
42*5113495bSYour Name 	hif_read32_mb(sc, sc->mem + PCIE_INTR_CLR_ADDRESS); \
43*5113495bSYour Name }
44*5113495bSYour Name #else
45*5113495bSYour Name #define PCI_CLR_CAUSE0_REGISTER(sc)
46*5113495bSYour Name #endif
47*5113495bSYour Name #endif /* __IF_PCI_INTERNAL_H__ */
48