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-rw-r--r--arch/arm/mach-davinci/Kconfig11
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c113
-rw-r--r--drivers/net/wireless/ti/wilink_platform_data.c25
-rw-r--r--drivers/net/wireless/ti/wl12xx/main.c19
-rw-r--r--drivers/net/wireless/ti/wlcore/boot.c1
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c4
-rw-r--r--drivers/net/wireless/ti/wlcore/sdio.c76
-rw-r--r--drivers/net/wireless/ti/wlcore/spi.c6
-rw-r--r--drivers/net/wireless/ti/wlcore/wlcore_i.h6
-rw-r--r--include/linux/wl12xx.h25
10 files changed, 35 insertions, 251 deletions
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index cd30f6f5f2ff..dd8f5312b2c0 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -200,17 +200,6 @@ config DA850_UI_SD_VIDEO_PORT
endchoice
-config DA850_WL12XX
- bool "AM18x wl1271 daughter board"
- depends on MACH_DAVINCI_DA850_EVM
- help
- The wl1271 daughter card for AM18x EVMs is a combo wireless
- connectivity add-on card, based on the LS Research TiWi module with
- Texas Instruments' wl1271 solution.
- Say Y if you want to use a wl1271 expansion card connected to the
- AM18x EVM.
-
-
config MACH_MITYOMAPL138
bool "Critical Link MityDSP-L138/MityARM-1808 SoM"
depends on ARCH_DAVINCI_DA850
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 853b941b710e..1ed545cc2b83 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -38,7 +38,6 @@
#include <linux/regulator/fixed.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
-#include <linux/wl12xx.h>
#include <mach/common.h>
#include <mach/cp_intc.h>
@@ -60,9 +59,6 @@
#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
-#define DA850_WLAN_EN GPIO_TO_PIN(6, 9)
-#define DA850_WLAN_IRQ GPIO_TO_PIN(6, 10)
-
#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
static struct mtd_partition da850evm_spiflash_part[] = {
@@ -1343,110 +1339,6 @@ static __init void da850_vpif_init(void)
static __init void da850_vpif_init(void) {}
#endif
-#ifdef CONFIG_DA850_WL12XX
-
-static void wl12xx_set_power(int index, bool power_on)
-{
- static bool power_state;
-
- pr_debug("Powering %s wl12xx", power_on ? "on" : "off");
-
- if (power_on == power_state)
- return;
- power_state = power_on;
-
- if (power_on) {
- /* Power up sequence required for wl127x devices */
- gpio_set_value(DA850_WLAN_EN, 1);
- usleep_range(15000, 15000);
- gpio_set_value(DA850_WLAN_EN, 0);
- usleep_range(1000, 1000);
- gpio_set_value(DA850_WLAN_EN, 1);
- msleep(70);
- } else {
- gpio_set_value(DA850_WLAN_EN, 0);
- }
-}
-
-static struct davinci_mmc_config da850_wl12xx_mmc_config = {
- .set_power = wl12xx_set_power,
- .wires = 4,
- .max_freq = 25000000,
- .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE |
- MMC_CAP_POWER_OFF_CARD,
-};
-
-static const short da850_wl12xx_pins[] __initconst = {
- DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2,
- DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD,
- DA850_GPIO6_9, DA850_GPIO6_10,
- -1
-};
-
-static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = {
- .irq = -1,
- .irq_trigger = IRQ_TYPE_EDGE_RISING,
- .ref_clock_freq = 38400000,
- .ref_clock_xtal = false,
-};
-
-static __init int da850_wl12xx_init(void)
-{
- int ret;
-
- ret = davinci_cfg_reg_list(da850_wl12xx_pins);
- if (ret) {
- pr_err("wl12xx/mmc mux setup failed: %d\n", ret);
- goto exit;
- }
-
- ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config);
- if (ret) {
- pr_err("wl12xx/mmc registration failed: %d\n", ret);
- goto exit;
- }
-
- ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en");
- if (ret) {
- pr_err("Could not request wl12xx enable gpio: %d\n", ret);
- goto exit;
- }
-
- ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq");
- if (ret) {
- pr_err("Could not request wl12xx irq gpio: %d\n", ret);
- goto free_wlan_en;
- }
-
- da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ);
-
- ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data);
- if (ret) {
- pr_err("Could not set wl12xx data: %d\n", ret);
- goto free_wlan_irq;
- }
-
- return 0;
-
-free_wlan_irq:
- gpio_free(DA850_WLAN_IRQ);
-
-free_wlan_en:
- gpio_free(DA850_WLAN_EN);
-
-exit:
- return ret;
-}
-
-#else /* CONFIG_DA850_WL12XX */
-
-static __init int da850_wl12xx_init(void)
-{
- return 0;
-}
-
-#endif /* CONFIG_DA850_WL12XX */
-
#define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000)
static __init void da850_evm_init(void)
@@ -1503,11 +1395,6 @@ static __init void da850_evm_init(void)
if (ret)
pr_warn("%s: MMCSD0 registration failed: %d\n",
__func__, ret);
-
- ret = da850_wl12xx_init();
- if (ret)
- pr_warn("%s: WL12xx initialization failed: %d\n",
- __func__, ret);
}
davinci_serial_init(da8xx_serial_device);
diff --git a/drivers/net/wireless/ti/wilink_platform_data.c b/drivers/net/wireless/ti/wilink_platform_data.c
index a92bd3e89796..ea0e359bdb43 100644
--- a/drivers/net/wireless/ti/wilink_platform_data.c
+++ b/drivers/net/wireless/ti/wilink_platform_data.c
@@ -23,31 +23,6 @@
#include <linux/err.h>
#include <linux/wl12xx.h>
-static struct wl12xx_platform_data *wl12xx_platform_data;
-
-int __init wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
-{
- if (wl12xx_platform_data)
- return -EBUSY;
- if (!data)
- return -EINVAL;
-
- wl12xx_platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
- if (!wl12xx_platform_data)
- return -ENOMEM;
-
- return 0;
-}
-
-struct wl12xx_platform_data *wl12xx_get_platform_data(void)
-{
- if (!wl12xx_platform_data)
- return ERR_PTR(-ENODEV);
-
- return wl12xx_platform_data;
-}
-EXPORT_SYMBOL(wl12xx_get_platform_data);
-
static struct wl1251_platform_data *wl1251_platform_data;
int __init wl1251_set_platform_data(const struct wl1251_platform_data *data)
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index b3f751f1e08f..af0fe2e17151 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -24,8 +24,6 @@
#include <linux/err.h>
-#include <linux/wl12xx.h>
-
#include "../wlcore/wlcore.h"
#include "../wlcore/debug.h"
#include "../wlcore/io.h"
@@ -1808,7 +1806,6 @@ static int wl12xx_setup(struct wl1271 *wl)
{
struct wl12xx_priv *priv = wl->priv;
struct wlcore_platdev_data *pdev_data = dev_get_platdata(&wl->pdev->dev);
- struct wl12xx_platform_data *pdata = pdev_data->pdata;
BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS);
BUILD_BUG_ON(WL12XX_MAX_AP_STATIONS > WL12XX_MAX_LINKS);
@@ -1834,12 +1831,12 @@ static int wl12xx_setup(struct wl1271 *wl)
if (!fref_param) {
priv->ref_clock = wl12xx_get_clock_idx(wl12xx_refclock_table,
- pdata->ref_clock_freq,
- pdata->ref_clock_xtal);
+ pdev_data->ref_clock_freq,
+ pdev_data->ref_clock_xtal);
if (priv->ref_clock < 0) {
wl1271_error("Invalid ref_clock frequency (%d Hz, %s)",
- pdata->ref_clock_freq,
- pdata->ref_clock_xtal ?
+ pdev_data->ref_clock_freq,
+ pdev_data->ref_clock_xtal ?
"XTAL" : "not XTAL");
return priv->ref_clock;
@@ -1861,13 +1858,13 @@ static int wl12xx_setup(struct wl1271 *wl)
wl1271_error("Invalid fref parameter %s", fref_param);
}
- if (!tcxo_param && pdata->tcxo_clock_freq) {
+ if (!tcxo_param && pdev_data->tcxo_clock_freq) {
priv->tcxo_clock = wl12xx_get_clock_idx(wl12xx_tcxoclock_table,
- pdata->tcxo_clock_freq,
- true);
+ pdev_data->tcxo_clock_freq,
+ true);
if (priv->tcxo_clock < 0) {
wl1271_error("Invalid tcxo_clock frequency (%d Hz)",
- pdata->tcxo_clock_freq);
+ pdev_data->tcxo_clock_freq);
return priv->tcxo_clock;
}
diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c
index 77752b03f189..19b7ec7b69c2 100644
--- a/drivers/net/wireless/ti/wlcore/boot.c
+++ b/drivers/net/wireless/ti/wlcore/boot.c
@@ -22,7 +22,6 @@
*/
#include <linux/slab.h>
-#include <linux/wl12xx.h>
#include <linux/export.h>
#include "debug.h"
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 67518f692cfc..0be807951afe 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -25,7 +25,6 @@
#include <linux/firmware.h>
#include <linux/etherdevice.h>
#include <linux/vmalloc.h>
-#include <linux/wl12xx.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
@@ -6390,7 +6389,6 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context)
struct wl1271 *wl = context;
struct platform_device *pdev = wl->pdev;
struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev);
- struct wl12xx_platform_data *pdata = pdev_data->pdata;
struct resource *res;
int ret;
@@ -6446,7 +6444,7 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context)
if (!ret) {
wl->irq_wake_enabled = true;
device_init_wakeup(wl->dev, 1);
- if (pdata->pwr_in_suspend)
+ if (pdev_data->pwr_in_suspend)
wl->hw->wiphy->wowlan = &wlcore_wowlan_support;
}
#endif
diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c
index b55dc0ede513..ea7e07abca4e 100644
--- a/drivers/net/wireless/ti/wlcore/sdio.c
+++ b/drivers/net/wireless/ti/wlcore/sdio.c
@@ -31,7 +31,6 @@
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
#include <linux/gpio.h>
-#include <linux/wl12xx.h>
#include <linux/pm_runtime.h>
#include <linux/printk.h>
#include <linux/of.h>
@@ -231,67 +230,37 @@ static const struct of_device_id wlcore_sdio_of_match_table[] = {
{ }
};
-static struct wl12xx_platform_data *wlcore_probe_of(struct device *dev)
+static int wlcore_probe_of(struct device *dev, int *irq,
+ struct wlcore_platdev_data *pdev_data)
{
struct device_node *np = dev->of_node;
- struct wl12xx_platform_data *pdata;
if (!np || !of_match_node(wlcore_sdio_of_match_table, np))
- return NULL;
+ return -ENODATA;
- pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return NULL;
-
- pdata->irq = irq_of_parse_and_map(np, 0);
- if (!pdata->irq) {
+ *irq = irq_of_parse_and_map(np, 0);
+ if (!*irq) {
dev_err(dev, "No irq in platform data\n");
- kfree(pdata);
- return NULL;
+ kfree(pdev_data);
+ return -EINVAL;
}
- pdata->irq_trigger =
- irqd_get_trigger_type(irq_get_irq_data(pdata->irq));
-
/* optional clock frequency params */
of_property_read_u32(np, "ref-clock-frequency",
- &pdata->ref_clock_freq);
+ &pdev_data->ref_clock_freq);
of_property_read_u32(np, "tcxo-clock-frequency",
- &pdata->tcxo_clock_freq);
+ &pdev_data->tcxo_clock_freq);
- return pdata;
+ return 0;
}
#else
-static struct wl12xx_platform_data *wlcore_probe_of(struct device *dev)
+static int wlcore_probe_of(struct device *dev, int *irq,
+ struct wlcore_platdev_data *pdev_data)
{
- return NULL;
+ return -ENODATA;
}
#endif
-static struct wl12xx_platform_data *
-wlcore_get_platform_data(struct device *dev)
-{
- struct wl12xx_platform_data *pdata;
-
- /* first, look for DT data */
- pdata = wlcore_probe_of(dev);
- if (pdata)
- return pdata;
-
- /* if not found - fallback to static platform data */
- pdata = wl12xx_get_platform_data();
- if (!IS_ERR(pdata))
- return kmemdup(pdata, sizeof(*pdata), GFP_KERNEL);
-
- dev_err(dev, "No platform data set\n");
- return NULL;
-}
-
-static void wlcore_del_platform_data(struct wl12xx_platform_data *pdata)
-{
- kfree(pdata);
-}
-
static int wl1271_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
@@ -300,6 +269,7 @@ static int wl1271_probe(struct sdio_func *func,
struct resource res[1];
mmc_pm_flag_t mmcflags;
int ret = -ENOMEM;
+ int irq;
const char *chip_family;
/* We are only able to handle the wlan function */
@@ -323,8 +293,7 @@ static int wl1271_probe(struct sdio_func *func,
/* Use block mode for transferring over one block size of data */
func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
- pdev_data.pdata = wlcore_get_platform_data(&func->dev);
- if (!pdev_data.pdata)
+ if (wlcore_probe_of(&func->dev, &irq, &pdev_data))
goto out_free_glue;
/* if sdio can keep power while host is suspended, enable wow */
@@ -332,7 +301,7 @@ static int wl1271_probe(struct sdio_func *func,
dev_dbg(glue->dev, "sdio PM caps = 0x%x\n", mmcflags);
if (mmcflags & MMC_PM_KEEP_POWER)
- pdev_data.pdata->pwr_in_suspend = true;
+ pdev_data.pwr_in_suspend = true;
sdio_set_drvdata(func, glue);
@@ -354,15 +323,16 @@ static int wl1271_probe(struct sdio_func *func,
if (!glue->core) {
dev_err(glue->dev, "can't allocate platform_device");
ret = -ENOMEM;
- goto out_free_pdata;
+ goto out_free_glue;
}
glue->core->dev.parent = &func->dev;
memset(res, 0x00, sizeof(res));
- res[0].start = pdev_data.pdata->irq;
- res[0].flags = IORESOURCE_IRQ | pdev_data.pdata->irq_trigger;
+ res[0].start = irq;
+ res[0].flags = IORESOURCE_IRQ |
+ irqd_get_trigger_type(irq_get_irq_data(irq));
res[0].name = "irq";
ret = platform_device_add_resources(glue->core, res, ARRAY_SIZE(res));
@@ -388,9 +358,6 @@ static int wl1271_probe(struct sdio_func *func,
out_dev_put:
platform_device_put(glue->core);
-out_free_pdata:
- wlcore_del_platform_data(pdev_data.pdata);
-
out_free_glue:
kfree(glue);
@@ -401,14 +368,11 @@ out:
static void wl1271_remove(struct sdio_func *func)
{
struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func);
- struct wlcore_platdev_data *pdev_data = glue->core->dev.platform_data;
- struct wl12xx_platform_data *pdata = pdev_data->pdata;
/* Undo decrement done above in wl1271_probe */
pm_runtime_get_noresume(&func->dev);
platform_device_unregister(glue->core);
- wlcore_del_platform_data(pdata);
kfree(glue);
}
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c
index 69601f6741d9..f1ac2839d97c 100644
--- a/drivers/net/wireless/ti/wlcore/spi.c
+++ b/drivers/net/wireless/ti/wlcore/spi.c
@@ -331,11 +331,7 @@ static int wl1271_probe(struct spi_device *spi)
memset(&pdev_data, 0x00, sizeof(pdev_data));
- pdev_data.pdata = dev_get_platdata(&spi->dev);
- if (!pdev_data.pdata) {
- dev_err(&spi->dev, "no platform data\n");
- return -ENODEV;
- }
+ /* TODO: add DT parsing when needed */
pdev_data.if_ops = &spi_ops;
diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h
index 3396ce5a934d..39efc6d78b10 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore_i.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h
@@ -201,8 +201,12 @@ struct wl1271_if_operations {
};
struct wlcore_platdev_data {
- struct wl12xx_platform_data *pdata;
struct wl1271_if_operations *if_ops;
+
+ bool ref_clock_xtal; /* specify whether the clock is XTAL or not */
+ u32 ref_clock_freq; /* in Hertz */
+ u32 tcxo_clock_freq; /* in Hertz, tcxo is always XTAL */
+ bool pwr_in_suspend;
};
#define MAX_NUM_KEYS 14
diff --git a/include/linux/wl12xx.h b/include/linux/wl12xx.h
index eea1e6dac4be..95704cd4cfab 100644
--- a/include/linux/wl12xx.h
+++ b/include/linux/wl12xx.h
@@ -33,21 +33,8 @@ struct wl1251_platform_data {
bool use_eeprom;
};
-struct wl12xx_platform_data {
- int irq;
- u32 irq_trigger;
- bool ref_clock_xtal; /* specify whether the clock is XTAL or not */
- u32 ref_clock_freq; /* in Hertz */
- u32 tcxo_clock_freq; /* in Hertz, tcxo is always XTAL */
- bool pwr_in_suspend;
-};
-
#ifdef CONFIG_WILINK_PLATFORM_DATA
-int wl12xx_set_platform_data(const struct wl12xx_platform_data *data);
-
-struct wl12xx_platform_data *wl12xx_get_platform_data(void);
-
int wl1251_set_platform_data(const struct wl1251_platform_data *data);
struct wl1251_platform_data *wl1251_get_platform_data(void);
@@ -55,18 +42,6 @@ struct wl1251_platform_data *wl1251_get_platform_data(void);
#else
static inline
-int wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
-{
- return -ENOSYS;
-}
-
-static inline
-struct wl12xx_platform_data *wl12xx_get_platform_data(void)
-{
- return ERR_PTR(-ENODATA);
-}
-
-static inline
int wl1251_set_platform_data(const struct wl1251_platform_data *data)
{
return -ENOSYS;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.