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atheros: move bus ops to ath_common

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This is the last part to make ath9k hw code core driver agnostic.
I believe ath9k_htc can now use use the hw code unmodified.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-09-14 00:55:09 -07:00 committed by John W. Linville
parent 990b70ab24
commit 5bb1279132
11 changed files with 66 additions and 48 deletions
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10
drivers/net/wireless/ath/ath.h
View File

@ -45,6 +45,15 @@ struct ath_ops {
void (*write)(void *, u32 val, u32 reg_offset);
};
struct ath_common;
struct ath_bus_ops {
void (*read_cachesize)(struct ath_common *common, int *csz);
void (*cleanup)(struct ath_common *common);
bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
void (*bt_coex_prep)(struct ath_common *common);
};
struct ath_common {
void *ah;
struct ieee80211_hw *hw;
@ -61,6 +70,7 @@ struct ath_common {
struct ath_regulatory regulatory;
const struct ath_ops *ops;
const struct ath_bus_ops *bus_ops;
};
struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,

3
drivers/net/wireless/ath/ath9k/Makefile
View File

@ -1,5 +1,5 @@
ATH9K_HW_FIX += eeprom.o
ATH9K_HW += hw.o \
eeprom.o \
eeprom_def.o \
eeprom_4k.o \
eeprom_9287.o \
@ -10,7 +10,6 @@ ATH9K_HW += hw.o \
mac.o \
ath9k-y += $(ATH9K_HW) \
$(ATH9K_HW_FIX) \
beacon.o \
main.o \
recv.o \

14
drivers/net/wireless/ath/ath9k/ahb.c
View File

@ -22,25 +22,28 @@
#include "ath9k.h"
/* return bus cachesize in 4B word units */
static void ath_ahb_read_cachesize(struct ath_softc *sc, int *csz)
static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
{
*csz = L1_CACHE_BYTES >> 2;
}
static void ath_ahb_cleanup(struct ath_softc *sc)
static void ath_ahb_cleanup(struct ath_common *common)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
struct ath_softc *sc = ah->ah_sc;
iounmap(sc->mem);
}
static bool ath_ahb_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
struct ath_softc *sc = ah->ah_sc;
struct platform_device *pdev = to_platform_device(sc->dev);
struct ath9k_platform_data *pdata;
pdata = (struct ath9k_platform_data *) pdev->dev.platform_data;
if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
ath_print(common, ATH_DBG_FATAL,
"%s: flash read failed, offset %08x "
"is out of range\n",
__func__, off);
@ -117,10 +120,9 @@ static int ath_ahb_probe(struct platform_device *pdev)
sc->hw = hw;
sc->dev = &pdev->dev;
sc->mem = mem;
sc->bus_ops = &ath_ahb_bus_ops;
sc->irq = irq;
ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0);
ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
if (ret) {
dev_err(&pdev->dev, "failed to initialize device\n");
goto err_free_hw;

19
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -537,13 +537,6 @@ struct ath_led {
#define SC_OP_BEACON_SYNC BIT(19)
#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
struct ath_bus_ops {
void (*read_cachesize)(struct ath_softc *sc, int *csz);
void (*cleanup)(struct ath_softc *sc);
bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
void (*bt_coex_prep)(struct ath_softc *sc);
};
struct ath_wiphy;
struct ath_softc {
@ -613,7 +606,6 @@ struct ath_softc {
#ifdef CONFIG_ATH9K_DEBUG
struct ath9k_debug debug;
#endif
struct ath_bus_ops *bus_ops;
struct ath_beacon_config cur_beacon_conf;
struct delayed_work tx_complete_work;
struct ath_btcoex btcoex;
@ -638,21 +630,22 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
int ath_cabq_update(struct ath_softc *);
static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
static inline void ath_read_cachesize(struct ath_common *common, int *csz)
{
sc->bus_ops->read_cachesize(sc, csz);
common->bus_ops->read_cachesize(common, csz);
}
static inline void ath_bus_cleanup(struct ath_softc *sc)
static inline void ath_bus_cleanup(struct ath_common *common)
{
sc->bus_ops->cleanup(sc);
common->bus_ops->cleanup(common);
}
extern struct ieee80211_ops ath9k_ops;
irqreturn_t ath_isr(int irq, void *dev);
void ath_cleanup(struct ath_softc *sc);
int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops);
void ath_detach(struct ath_softc *sc);
const char *ath_mac_bb_name(u32 mac_bb_version);
const char *ath_rf_name(u16 rf_version);

8
drivers/net/wireless/ath/ath9k/eeprom.c
View File

@ -14,7 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "ath9k.h"
#include "hw.h"
static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
{
@ -83,11 +83,9 @@ bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
return false;
}
bool ath9k_hw_nvram_read(struct ath_hw *ah, u32 off, u16 *data)
bool ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data)
{
struct ath_softc *sc = ah->ah_sc;
return sc->bus_ops->eeprom_read(ah, off, data);
return common->bus_ops->eeprom_read(common, off, data);
}
void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,

3
drivers/net/wireless/ath/ath9k/eeprom.h
View File

@ -17,6 +17,7 @@
#ifndef EEPROM_H
#define EEPROM_H
#include "../ath.h"
#include <net/cfg80211.h>
#define AH_USE_EEPROM 0x1
@ -684,7 +685,7 @@ int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,
int16_t targetRight);
bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
u16 *indexL, u16 *indexR);
bool ath9k_hw_nvram_read(struct ath_hw *ah, u32 off, u16 *data);
bool ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data);
void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
u8 *pVpdList, u16 numIntercepts,
u8 *pRetVpdList);

4
drivers/net/wireless/ath/ath9k/eeprom_4k.c
View File

@ -41,7 +41,7 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
}
for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
if (!ath9k_hw_nvram_read(common, addr + eep_start_loc, eep_data)) {
ath_print(common, ATH_DBG_EEPROM,
"Unable to read eeprom region \n");
return false;
@ -66,7 +66,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
if (!ath9k_hw_use_flash(ah)) {
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
ath_print(common, ATH_DBG_FATAL,
"Reading Magic # failed\n");

7
drivers/net/wireless/ath/ath9k/eeprom_9287.c
View File

@ -41,7 +41,8 @@ static bool ath9k_hw_AR9287_fill_eeprom(struct ath_hw *ah)
for (addr = 0; addr < sizeof(struct ar9287_eeprom) / sizeof(u16);
addr++) {
if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
if (!ath9k_hw_nvram_read(common,
addr + eep_start_loc, eep_data)) {
ath_print(common, ATH_DBG_EEPROM,
"Unable to read eeprom region \n");
return false;
@ -61,8 +62,8 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
struct ath_common *common = ath9k_hw_common(ah);
if (!ath9k_hw_use_flash(ah)) {
if (!ath9k_hw_nvram_read
(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
if (!ath9k_hw_nvram_read(common,
AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
ath_print(common, ATH_DBG_FATAL,
"Reading Magic # failed\n");
return false;

5
drivers/net/wireless/ath/ath9k/eeprom_def.c
View File

@ -89,11 +89,12 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
{
#define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
struct ath_common *common = ath9k_hw_common(ah);
u16 *eep_data = (u16 *)&ah->eeprom.def;
int addr, ar5416_eep_start_loc = 0x100;
for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
if (!ath9k_hw_nvram_read(common, addr + ar5416_eep_start_loc,
eep_data)) {
ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
"Unable to read eeprom region\n");
@ -115,7 +116,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
bool need_swap = false;
int i, addr, size;
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
ath_print(common, ATH_DBG_FATAL, "Reading Magic # failed\n");
return false;
}

20
drivers/net/wireless/ath/ath9k/main.c
View File

@ -1311,9 +1311,12 @@ static void ath_start_rfkill_poll(struct ath_softc *sc)
void ath_cleanup(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
ath_detach(sc);
free_irq(sc->irq, sc);
ath_bus_cleanup(sc);
ath_bus_cleanup(common);
kfree(sc->sec_wiphy);
ieee80211_free_hw(sc->hw);
}
@ -1587,7 +1590,8 @@ static struct ath_ops ath9k_common_ops = {
* to allow the separation between hardware specific
* variables (now in ath_hw) and driver specific variables.
*/
static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops)
{
struct ath_hw *ah = NULL;
struct ath_common *common;
@ -1621,6 +1625,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
common = ath9k_hw_common(ah);
common->ops = &ath9k_common_ops;
common->bus_ops = bus_ops;
common->ah = ah;
common->hw = sc->hw;
@ -1628,7 +1633,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
* Cache line size is used to size and align various
* structures used to communicate with the hardware.
*/
ath_read_cachesize(sc, &csz);
ath_read_cachesize(common, &csz);
/* XXX assert csz is non-zero */
common->cachelsz = csz << 2; /* convert to bytes */
@ -1876,7 +1881,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
}
/* Device driver core initialization */
int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops)
{
struct ieee80211_hw *hw = sc->hw;
struct ath_common *common;
@ -1886,7 +1892,7 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
dev_dbg(sc->dev, "Attach ATH hw\n");
error = ath_init_softc(devid, sc, subsysid);
error = ath_init_softc(devid, sc, subsysid, bus_ops);
if (error != 0)
return error;
@ -2337,8 +2343,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
AR_STOMP_LOW_WLAN_WGHT);
ath9k_hw_btcoex_enable(ah);
if (sc->bus_ops->bt_coex_prep)
sc->bus_ops->bt_coex_prep(sc);
if (common->bus_ops->bt_coex_prep)
common->bus_ops->bt_coex_prep(common);
if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
ath9k_btcoex_timer_resume(sc);
}

21
drivers/net/wireless/ath/ath9k/pci.c
View File

@ -31,8 +31,10 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
};
/* return bus cachesize in 4B word units */
static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
struct ath_softc *sc = ah->ah_sc;
u8 u8tmp;
pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
@ -48,8 +50,10 @@ static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
*csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
}
static void ath_pci_cleanup(struct ath_softc *sc)
static void ath_pci_cleanup(struct ath_common *common)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
struct ath_softc *sc = ah->ah_sc;
struct pci_dev *pdev = to_pci_dev(sc->dev);
pci_iounmap(pdev, sc->mem);
@ -57,8 +61,10 @@ static void ath_pci_cleanup(struct ath_softc *sc)
pci_release_region(pdev, 0);
}
static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
(void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
if (!ath9k_hw_wait(ah,
@ -78,8 +84,10 @@ static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
/*
* Bluetooth coexistance requires disabling ASPM.
*/
static void ath_pci_bt_coex_prep(struct ath_softc *sc)
static void ath_pci_bt_coex_prep(struct ath_common *common)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
struct ath_softc *sc = ah->ah_sc;
struct pci_dev *pdev = to_pci_dev(sc->dev);
u8 aspm;
@ -91,7 +99,7 @@ static void ath_pci_bt_coex_prep(struct ath_softc *sc)
pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
}
static struct ath_bus_ops ath_pci_bus_ops = {
const static struct ath_bus_ops ath_pci_bus_ops = {
.read_cachesize = ath_pci_read_cachesize,
.cleanup = ath_pci_cleanup,
.eeprom_read = ath_pci_eeprom_read,
@ -194,10 +202,9 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sc->hw = hw;
sc->dev = &pdev->dev;
sc->mem = mem;
sc->bus_ops = &ath_pci_bus_ops;
pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
ret = ath_init_device(id->device, sc, subsysid);
ret = ath_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
if (ret) {
dev_err(&pdev->dev, "failed to initialize device\n");
goto bad3;