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wl1271: Add support for NVS files with 5GHz band parameters

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This patch adds support for NVS files with 5GHz band parameters. The change
is done in a backward compatible manner - if 11a is not enabled in the driver,
the driver will allow also old NVS files to be loaded.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2010-05-14 10:46:23 +03:00 committed by John W. Linville
parent eb70eb723b
commit a7da74fc88
4 changed files with 35 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/wl12xx/wl1271_cmd.c
View File

@ -238,13 +238,20 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl)
radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
/* 2.4GHz parameters */
memcpy(&radio_parms->static_params_2, &wl->nvs->stat_radio_params_2,
sizeof(struct wl1271_ini_band_params_2));
memcpy(&radio_parms->dyn_params_2,
&wl->nvs->dyn_radio_params_2[rparam->fem].params,
sizeof(struct wl1271_ini_fem_params_2));
/* FIXME: current NVS is missing 5GHz parameters */
/* 5GHz parameters */
memcpy(&radio_parms->static_params_5,
&wl->nvs->stat_radio_params_5,
sizeof(struct wl1271_ini_band_params_5));
memcpy(&radio_parms->dyn_params_5,
&wl->nvs->dyn_radio_params_5[rparam->fem].params,
sizeof(struct wl1271_ini_fem_params_5));
wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
radio_parms, sizeof(*radio_parms));

11
drivers/net/wireless/wl12xx/wl1271_ini.h
View File

@ -95,9 +95,10 @@ struct wl1271_ini_fem_params_5 {
/* NVS data structure */
#define WL1271_INI_NVS_SECTION_SIZE 468
#define WL1271_INI_SPARE_SIZE 124
#define WL1271_INI_FEM_MODULE_COUNT 2
#define WL1271_INI_LEGACY_NVS_FILE_SIZE 800
struct wl1271_nvs_file {
/* NVS section */
u8 nvs[WL1271_INI_NVS_SECTION_SIZE];
@ -111,8 +112,12 @@ struct wl1271_nvs_file {
struct wl1271_ini_fem_params_2 params;
u8 padding;
} dyn_radio_params_2[WL1271_INI_FEM_MODULE_COUNT];
u8 ini_spare[WL1271_INI_SPARE_SIZE];
struct wl1271_ini_band_params_5 stat_radio_params_5;
u8 padding3;
struct {
struct wl1271_ini_fem_params_5 params;
u8 padding;
} dyn_radio_params_5[WL1271_INI_FEM_MODULE_COUNT];
} __attribute__ ((packed));
#endif

13
drivers/net/wireless/wl12xx/wl1271_main.c
View File

@ -566,14 +566,21 @@ static int wl1271_fetch_nvs(struct wl1271 *wl)
return ret;
}
if (fw->size != sizeof(struct wl1271_nvs_file)) {
/*
* FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
* configurations) can be removed when those NVS files stop floating
* around.
*/
if (fw->size != sizeof(struct wl1271_nvs_file) &&
(fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
wl1271_11a_enabled())) {
wl1271_error("nvs size is not as expected: %zu != %zu",
fw->size, sizeof(struct wl1271_nvs_file));
ret = -EILSEQ;
goto out;
}
wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
@ -581,7 +588,7 @@ static int wl1271_fetch_nvs(struct wl1271 *wl)
goto out;
}
memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file));
memcpy(wl->nvs, fw->data, fw->size);
out:
release_firmware(fw);

11
drivers/net/wireless/wl12xx/wl1271_testmode.c
View File

@ -199,7 +199,14 @@ static int wl1271_tm_cmd_nvs_push(struct wl1271 *wl, struct nlattr *tb[])
buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
len = nla_len(tb[WL1271_TM_ATTR_DATA]);
if (len != sizeof(struct wl1271_nvs_file)) {
/*
* FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
* configurations) can be removed when those NVS files stop floating
* around.
*/
if (len != sizeof(struct wl1271_nvs_file) &&
(len != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
wl1271_11a_enabled())) {
wl1271_error("nvs size is not as expected: %zu != %zu",
len, sizeof(struct wl1271_nvs_file));
return -EMSGSIZE;
@ -209,7 +216,7 @@ static int wl1271_tm_cmd_nvs_push(struct wl1271 *wl, struct nlattr *tb[])
kfree(wl->nvs);
wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
ret = -ENOMEM;