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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13835 3c298f89-4303-0410-b956-a3cf2f4a3e73
90 lines
2.8 KiB
Diff
90 lines
2.8 KiB
Diff
From 0ef95ef08ca82a87c85a1656f434a03a98bfab5b Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Fri, 2 Jan 2009 16:07:50 +0100
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Subject: [RFC 02/12] ath9k: introduce bus specific register access routines
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The AHB bus will require different code for register access, so we make
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them replaceable as well.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
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---
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drivers/net/wireless/ath9k/ath9k.h | 4 ++--
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drivers/net/wireless/ath9k/core.h | 17 +++++++++++++++++
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drivers/net/wireless/ath9k/main.c | 13 +++++++++++++
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3 files changed, 32 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireless/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath9k/ath9k.h
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@@ -587,8 +587,8 @@ struct ath9k_country_entry {
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u8 iso[3];
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};
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-#define REG_WRITE(_ah, _reg, _val) iowrite32(_val, _ah->ah_sh + _reg)
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-#define REG_READ(_ah, _reg) ioread32(_ah->ah_sh + _reg)
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+#define REG_WRITE(_ah, _reg, _val) ath_reg_write(_ah, _reg, _val)
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+#define REG_READ(_ah, _reg) ath_reg_read(_ah, _reg)
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#define SM(_v, _f) (((_v) << _f##_S) & _f)
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#define MS(_v, _f) (((_v) & _f) >> _f##_S)
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--- a/drivers/net/wireless/ath9k/core.h
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+++ b/drivers/net/wireless/ath9k/core.h
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@@ -718,6 +718,9 @@ struct ath_bus_ops {
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size_t size,
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void *p,
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dma_addr_t da);
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+
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+ u32 (*reg_read)(struct ath_hal *ah, unsigned reg);
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+ void (*reg_write)(struct ath_hal *ah, unsigned reg, u32 val);
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};
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struct ath_softc {
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@@ -826,4 +829,18 @@ static inline void ath_dma_free(struct a
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sc->bus_ops->dma_free(sc, size, p, da);
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}
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+static inline u32 ath_reg_read(struct ath_hal *ah, unsigned reg)
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+{
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+ struct ath_softc *sc = ah->ah_sc;
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+
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+ return sc->bus_ops->reg_read(ah, reg);
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+}
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+
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+static inline void ath_reg_write(struct ath_hal *ah, unsigned reg, u32 val)
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+{
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+ struct ath_softc *sc = ah->ah_sc;
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+
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+ sc->bus_ops->reg_write(ah, reg, val);
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+}
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+
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#endif /* CORE_H */
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--- a/drivers/net/wireless/ath9k/main.c
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+++ b/drivers/net/wireless/ath9k/main.c
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@@ -2595,6 +2595,16 @@ static void ath_pci_dma_free(struct ath_
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pci_free_consistent(sc->pdev, size, p, da);
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}
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+static u32 ath_pci_reg_read(struct ath_hal *ah, unsigned reg)
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+{
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+ return ioread32(ah->ah_sh + reg);
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+}
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+
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+static void ath_pci_reg_write(struct ath_hal *ah, unsigned reg, u32 val)
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+{
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+ iowrite32(val, ah->ah_sh + reg);
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+}
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+
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static struct ath_bus_ops ath_pci_bus_ops = {
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.dma_map_single_to_device = ath_pci_map_single_to_device,
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.dma_unmap_single_to_device = ath_pci_unmap_single_to_device,
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@@ -2605,6 +2615,9 @@ static struct ath_bus_ops ath_pci_bus_op
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.dma_sync_single_for_cpu = ath_pci_sync_single_for_cpu,
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.dma_alloc = ath_pci_dma_alloc,
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.dma_free = ath_pci_dma_free,
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+
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+ .reg_read = ath_pci_reg_read,
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+ .reg_write = ath_pci_reg_write,
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};
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static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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