summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ti/wl12xx
diff options
context:
space:
mode:
authorArik Nemtsov <arik@wizery.com>2011-12-08 00:43:48 +0200
committerLuciano Coelho <coelho@ti.com>2012-04-12 08:43:59 +0300
commit43a8bc5a53c78b69b99824c9f38c333cea024c8a (patch)
tree136b17f7af87af568576bcbd186867b5787f676b /drivers/net/wireless/ti/wl12xx
parent6f266e912c0733e77f63e9ad245db3c966b75942 (diff)
wlcore/wl12xx: add global elements to convert hw-rates to standard rates
Rates reported by HW can be different between chip families. Make the rate-to-idx translation tables private per family and use them in a common translation function. Add a global element to help determine which rates are HW HT-rates. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl12xx')
-rw-r--r--drivers/net/wireless/ti/wl12xx/main.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index eafa02006bc..790c622afba 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -39,6 +39,96 @@
#define WL12XX_TX_HW_BLOCK_GEM_SPARE 2
#define WL12XX_TX_HW_BLOCK_SIZE 252
+static const u8 wl12xx_rate_to_idx_2ghz[] = {
+ /* MCS rates are used only with 11n */
+ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */
+ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */
+ 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */
+ 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */
+ 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */
+ 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */
+ 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */
+ 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */
+ 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */
+
+ 11, /* WL12XX_CONF_HW_RXTX_RATE_54 */
+ 10, /* WL12XX_CONF_HW_RXTX_RATE_48 */
+ 9, /* WL12XX_CONF_HW_RXTX_RATE_36 */
+ 8, /* WL12XX_CONF_HW_RXTX_RATE_24 */
+
+ /* TI-specific rate */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */
+
+ 7, /* WL12XX_CONF_HW_RXTX_RATE_18 */
+ 6, /* WL12XX_CONF_HW_RXTX_RATE_12 */
+ 3, /* WL12XX_CONF_HW_RXTX_RATE_11 */
+ 5, /* WL12XX_CONF_HW_RXTX_RATE_9 */
+ 4, /* WL12XX_CONF_HW_RXTX_RATE_6 */
+ 2, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */
+ 1, /* WL12XX_CONF_HW_RXTX_RATE_2 */
+ 0 /* WL12XX_CONF_HW_RXTX_RATE_1 */
+};
+
+static const u8 wl12xx_rate_to_idx_5ghz[] = {
+ /* MCS rates are used only with 11n */
+ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */
+ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */
+ 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */
+ 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */
+ 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */
+ 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */
+ 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */
+ 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */
+ 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */
+
+ 7, /* WL12XX_CONF_HW_RXTX_RATE_54 */
+ 6, /* WL12XX_CONF_HW_RXTX_RATE_48 */
+ 5, /* WL12XX_CONF_HW_RXTX_RATE_36 */
+ 4, /* WL12XX_CONF_HW_RXTX_RATE_24 */
+
+ /* TI-specific rate */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */
+
+ 3, /* WL12XX_CONF_HW_RXTX_RATE_18 */
+ 2, /* WL12XX_CONF_HW_RXTX_RATE_12 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_11 */
+ 1, /* WL12XX_CONF_HW_RXTX_RATE_9 */
+ 0, /* WL12XX_CONF_HW_RXTX_RATE_6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED /* WL12XX_CONF_HW_RXTX_RATE_1 */
+};
+
+static const u8 *wl12xx_band_rate_to_idx[] = {
+ [IEEE80211_BAND_2GHZ] = wl12xx_rate_to_idx_2ghz,
+ [IEEE80211_BAND_5GHZ] = wl12xx_rate_to_idx_5ghz
+};
+
+enum wl12xx_hw_rates {
+ WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI = 0,
+ WL12XX_CONF_HW_RXTX_RATE_MCS7,
+ WL12XX_CONF_HW_RXTX_RATE_MCS6,
+ WL12XX_CONF_HW_RXTX_RATE_MCS5,
+ WL12XX_CONF_HW_RXTX_RATE_MCS4,
+ WL12XX_CONF_HW_RXTX_RATE_MCS3,
+ WL12XX_CONF_HW_RXTX_RATE_MCS2,
+ WL12XX_CONF_HW_RXTX_RATE_MCS1,
+ WL12XX_CONF_HW_RXTX_RATE_MCS0,
+ WL12XX_CONF_HW_RXTX_RATE_54,
+ WL12XX_CONF_HW_RXTX_RATE_48,
+ WL12XX_CONF_HW_RXTX_RATE_36,
+ WL12XX_CONF_HW_RXTX_RATE_24,
+ WL12XX_CONF_HW_RXTX_RATE_22,
+ WL12XX_CONF_HW_RXTX_RATE_18,
+ WL12XX_CONF_HW_RXTX_RATE_12,
+ WL12XX_CONF_HW_RXTX_RATE_11,
+ WL12XX_CONF_HW_RXTX_RATE_9,
+ WL12XX_CONF_HW_RXTX_RATE_6,
+ WL12XX_CONF_HW_RXTX_RATE_5_5,
+ WL12XX_CONF_HW_RXTX_RATE_2,
+ WL12XX_CONF_HW_RXTX_RATE_1,
+ WL12XX_CONF_HW_RXTX_RATE_MAX,
+};
static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = {
[PART_DOWN] = {
@@ -741,6 +831,9 @@ static int __devinit wl12xx_probe(struct platform_device *pdev)
wl->num_tx_desc = 16;
wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT;
wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE;
+ wl->band_rate_to_idx = wl12xx_band_rate_to_idx;
+ wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX;
+ wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0;
return wlcore_probe(wl, pdev);
}