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ath10k: Make target cpu address to CE address conversion chip specific

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Make the helper converting target virtual address space to CE address
space a target type specific to support QCA99X0. Also make this as
function instead of macro.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2015-06-18 12:31:05 +05:30 committed by Kalle Valo
parent 050af069de
commit 418ca5992e
2 changed files with 22 additions and 15 deletions
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25
drivers/net/wireless/ath/ath10k/pci.c
View File

@ -755,6 +755,26 @@ static void ath10k_pci_rx_replenish_retry(unsigned long ptr)
ath10k_pci_rx_post(ar);
}
static u32 ath10k_pci_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
{
u32 val = 0;
switch (ar->hw_rev) {
case ATH10K_HW_QCA988X:
case ATH10K_HW_QCA6174:
val = (ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
CORE_CTRL_ADDRESS) &
0x7fff) << 21;
break;
case ATH10K_HW_QCA99X0:
val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS);
break;
}
val |= 0x100000 | (addr & 0xfffff);
return val;
}
/*
* Diagnostic read/write access is provided for startup/config/debug usage.
* Caller must guarantee proper alignment, when applicable, and single user
@ -817,8 +837,7 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data,
* convert it from Target CPU virtual address space
* to CE address space
*/
address = TARG_CPU_SPACE_TO_CE_SPACE(ar, ar_pci->mem,
address);
address = ath10k_pci_targ_cpu_to_ce_addr(ar, address);
ret = ath10k_ce_send_nolock(ce_diag, NULL, (u32)address, nbytes, 0,
0);
@ -976,7 +995,7 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address,
* to
* CE address space
*/
address = TARG_CPU_SPACE_TO_CE_SPACE(ar, ar_pci->mem, address);
address = ath10k_pci_targ_cpu_to_ce_addr(ar, address);
remaining_bytes = orig_nbytes;
ce_data = ce_data_base;

12
drivers/net/wireless/ath/ath10k/pci.h
View File

@ -237,18 +237,6 @@ static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
#define CDC_WAR_MAGIC_STR 0xceef0000
#define CDC_WAR_DATA_CE 4
/*
* TODO: Should be a function call specific to each Target-type.
* This convoluted macro converts from Target CPU Virtual Address Space to CE
* Address Space. As part of this process, we conservatively fetch the current
* PCIE_BAR. MOST of the time, this should match the upper bits of PCI space
* for this device; but that's not guaranteed.
*/
#define TARG_CPU_SPACE_TO_CE_SPACE(ar, pci_addr, addr) \
(((ath10k_pci_read32(ar, (SOC_CORE_BASE_ADDRESS | \
CORE_CTRL_ADDRESS)) & 0x7ff) << 21) | \
0x100000 | ((addr) & 0xfffff))
/* Wait up to this many Ms for a Diagnostic Access CE operation to complete */
#define DIAG_ACCESS_CE_TIMEOUT_MS 10