diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
| -rw-r--r-- | drivers/net/wireless/wl12xx/acx.c | 26 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/acx.h | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/init.c | 27 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/init.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/io.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/io.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 64 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 46 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 3 |
10 files changed, 168 insertions, 28 deletions
diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index a3db755ceeda..50676b36ad26 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -1019,6 +1019,32 @@ out: return ret; } +int wl1271_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap) +{ + struct wl1271_acx_host_config_bitmap *bitmap_conf; + int ret; + + bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL); + if (!bitmap_conf) { + ret = -ENOMEM; + goto out; + } + + bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap); + + ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP, + bitmap_conf, sizeof(*bitmap_conf)); + if (ret < 0) { + wl1271_warning("wl1271 bitmap config opt failed: %d", ret); + goto out; + } + +out: + kfree(bitmap_conf); + + return ret; +} + int wl1271_acx_init_mem_config(struct wl1271 *wl) { int ret; diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h index dd19b01d807b..0a40caeab2a2 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/acx.h @@ -939,6 +939,16 @@ struct wl1271_acx_keep_alive_config { u8 padding; } __packed; +#define HOST_IF_CFG_RX_FIFO_ENABLE BIT(0) +#define HOST_IF_CFG_TX_EXTRA_BLKS_SWAP BIT(1) +#define HOST_IF_CFG_TX_PAD_TO_SDIO_BLK BIT(3) + +struct wl1271_acx_host_config_bitmap { + struct acx_header header; + + __le32 host_cfg_bitmap; +} __packed; + enum { WL1271_ACX_TRIG_TYPE_LEVEL = 0, WL1271_ACX_TRIG_TYPE_EDGE, @@ -1275,6 +1285,7 @@ int wl1271_acx_tx_config_options(struct wl1271 *wl); int wl1271_acx_ap_mem_cfg(struct wl1271 *wl); int wl1271_acx_sta_mem_cfg(struct wl1271 *wl); int wl1271_acx_init_mem_config(struct wl1271 *wl); +int wl1271_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap); int wl1271_acx_init_rx_interrupt(struct wl1271 *wl); int wl1271_acx_smart_reflex(struct wl1271 *wl); int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable); diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index 6072fe457135..34c41084bcf1 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -31,6 +31,7 @@ #include "cmd.h" #include "reg.h" #include "tx.h" +#include "io.h" int wl1271_sta_init_templates_config(struct wl1271 *wl) { @@ -504,6 +505,27 @@ static int wl1271_set_ba_policies(struct wl1271 *wl) return ret; } +int wl1271_chip_specific_init(struct wl1271 *wl) +{ + int ret = 0; + + if (wl->chip.id == CHIP_ID_1283_PG20) { + u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; + + if (wl1271_set_block_size(wl)) + /* Enable SDIO padding */ + host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; + + /* Must be before wl1271_acx_init_mem_config() */ + ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap); + if (ret < 0) + goto out; + } +out: + return ret; +} + + int wl1271_hw_init(struct wl1271 *wl) { struct conf_tx_ac_category *conf_ac; @@ -519,6 +541,11 @@ int wl1271_hw_init(struct wl1271 *wl) if (ret < 0) return ret; + /* Chip-specific init */ + ret = wl1271_chip_specific_init(wl); + if (ret < 0) + return ret; + /* Mode specific init */ if (is_ap) ret = wl1271_ap_hw_init(wl); diff --git a/drivers/net/wireless/wl12xx/init.h b/drivers/net/wireless/wl12xx/init.h index 3a8bd3f426d2..4975270a91ab 100644 --- a/drivers/net/wireless/wl12xx/init.h +++ b/drivers/net/wireless/wl12xx/init.h @@ -31,6 +31,7 @@ int wl1271_sta_init_templates_config(struct wl1271 *wl); int wl1271_init_phy_config(struct wl1271 *wl); int wl1271_init_pta(struct wl1271 *wl); int wl1271_init_energy_detection(struct wl1271 *wl); +int wl1271_chip_specific_init(struct wl1271 *wl); int wl1271_hw_init(struct wl1271 *wl); #endif diff --git a/drivers/net/wireless/wl12xx/io.c b/drivers/net/wireless/wl12xx/io.c index d557f73e7c19..aa40c98e8fd3 100644 --- a/drivers/net/wireless/wl12xx/io.c +++ b/drivers/net/wireless/wl12xx/io.c @@ -43,6 +43,16 @@ #define OCP_STATUS_REQ_FAILED 0x20000 #define OCP_STATUS_RESP_ERROR 0x30000 +bool wl1271_set_block_size(struct wl1271 *wl) +{ + if (wl->if_ops->set_block_size) { + wl->if_ops->set_block_size(wl); + return true; + } + + return false; +} + void wl1271_disable_interrupts(struct wl1271 *wl) { wl->if_ops->disable_irq(wl); diff --git a/drivers/net/wireless/wl12xx/io.h b/drivers/net/wireless/wl12xx/io.h index c1aac8292089..84454f6d8169 100644 --- a/drivers/net/wireless/wl12xx/io.h +++ b/drivers/net/wireless/wl12xx/io.h @@ -169,5 +169,6 @@ int wl1271_init_ieee80211(struct wl1271 *wl); struct ieee80211_hw *wl1271_alloc_hw(void); int wl1271_free_hw(struct wl1271 *wl); irqreturn_t wl1271_irq(int irq, void *data); +bool wl1271_set_block_size(struct wl1271 *wl); #endif diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index b0c49352b56f..f24906f54a71 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -450,6 +450,11 @@ static int wl1271_plt_init(struct wl1271 *wl) if (ret < 0) return ret; + /* Chip-specific initializations */ + ret = wl1271_chip_specific_init(wl); + if (ret < 0) + return ret; + ret = wl1271_sta_init_templates_config(wl); if (ret < 0) return ret; @@ -1335,6 +1340,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl) memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map)); wl->ap_fw_ps_map = 0; wl->ap_ps_map = 0; + wl->block_size = 0; for (i = 0; i < NUM_TX_QUEUES; i++) wl->tx_blocks_freed[i] = 0; @@ -3458,6 +3464,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->ap_ps_map = 0; wl->ap_fw_ps_map = 0; wl->quirks = 0; + wl->block_size = 0; memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); for (i = 0; i < ACX_TX_DESCRIPTORS; i++) diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 5e9ef7d53e7e..e296f0a5fe27 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -132,6 +132,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra, { struct wl1271_tx_hw_descr *desc; u32 total_len = skb->len + sizeof(struct wl1271_tx_hw_descr) + extra; + u32 len; u32 total_blocks; int id, ret = -EBUSY; @@ -145,14 +146,20 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra, /* approximate the number of blocks required for this packet in the firmware */ - total_blocks = total_len + TX_HW_BLOCK_SIZE - 1; - total_blocks = total_blocks / TX_HW_BLOCK_SIZE + TX_HW_BLOCK_SPARE; + if (wl->block_size) + len = ALIGN(total_len, wl->block_size); + else + len = total_len; + + total_blocks = (len + TX_HW_BLOCK_SIZE - 1) / TX_HW_BLOCK_SIZE + + TX_HW_BLOCK_SPARE; + if (total_blocks <= wl->tx_blocks_available) { desc = (struct wl1271_tx_hw_descr *)skb_push( skb, total_len - skb->len); - desc->extra_mem_blocks = TX_HW_BLOCK_SPARE; - desc->total_mem_blocks = total_blocks; + desc->wl127x_mem.extra_blocks = TX_HW_BLOCK_SPARE; + desc->wl127x_mem.total_mem_blocks = total_blocks; desc->id = id; wl->tx_blocks_available -= total_blocks; @@ -178,7 +185,7 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, { struct timespec ts; struct wl1271_tx_hw_descr *desc; - int pad, ac, rate_idx; + int aligned_len, ac, rate_idx; s64 hosttime; u16 tx_attr; @@ -237,20 +244,32 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, tx_attr |= rate_idx << TX_HW_ATTR_OFST_RATE_POLICY; desc->reserved = 0; - /* align the length (and store in terms of words) */ - pad = ALIGN(skb->len, WL1271_TX_ALIGN_TO); - desc->length = cpu_to_le16(pad >> 2); + if (wl->block_size) { + aligned_len = ALIGN(skb->len, wl->block_size); + + desc->wl128x_mem.extra_bytes = aligned_len - skb->len; + desc->length = cpu_to_le16(aligned_len >> 2); + } else { + int pad; + + /* align the length (and store in terms of words) */ + aligned_len = ALIGN(skb->len, WL1271_TX_ALIGN_TO); + desc->length = cpu_to_le16(aligned_len >> 2); + + /* calculate number of padding bytes */ + pad = aligned_len - skb->len; + tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD; - /* calculate number of padding bytes */ - pad = pad - skb->len; - tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD; + wl1271_debug(DEBUG_TX, "tx_fill_hdr: padding: %d", pad); + } desc->tx_attr = cpu_to_le16(tx_attr); - wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d hlid: %d " - "tx_attr: 0x%x len: %d life: %d mem: %d", pad, desc->hlid, - le16_to_cpu(desc->tx_attr), le16_to_cpu(desc->length), - le16_to_cpu(desc->life_time), desc->total_mem_blocks); + wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d tx_attr: 0x%x " + "len: %d life: %d mem: %d", + desc->hlid, le16_to_cpu(desc->tx_attr), + le16_to_cpu(desc->length), le16_to_cpu(desc->life_time), + desc->wl127x_mem.total_mem_blocks); } /* caller must hold wl->mutex */ @@ -305,11 +324,18 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb, wl1271_tx_fill_hdr(wl, skb, extra, info, hlid); /* - * The length of each packet is stored in terms of words. Thus, we must - * pad the skb data to make sure its length is aligned. - * The number of padding bytes is computed and set in wl1271_tx_fill_hdr + * The length of each packet is stored in terms of + * words. Thus, we must pad the skb data to make sure its + * length is aligned. The number of padding bytes is computed + * and set in wl1271_tx_fill_hdr. + * In special cases, we want to align to a specific block size + * (eg. for wl128x with SDIO we align to 256). */ - total_len = ALIGN(skb->len, WL1271_TX_ALIGN_TO); + if (wl->block_size) + total_len = ALIGN(skb->len, wl->block_size); + else + total_len = ALIGN(skb->len, WL1271_TX_ALIGN_TO); + memcpy(wl->aggr_buf + buf_offset, skb->data, skb->len); memset(wl->aggr_buf + buf_offset + skb->len, 0, total_len - skb->len); diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index 02f07fa66e82..e31317717ab2 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -55,20 +55,48 @@ #define WL1271_TX_ALIGN_TO 4 #define WL1271_TKIP_IV_SPACE 4 +struct wl127x_tx_mem { + /* + * Number of extra memory blocks to allocate for this packet + * in addition to the number of blocks derived from the packet + * length. + */ + u8 extra_blocks; + /* + * Total number of memory blocks allocated by the host for + * this packet. Must be equal or greater than the actual + * blocks number allocated by HW. + */ + u8 total_mem_blocks; +} __packed; + +struct wl128x_tx_mem { + /* + * Total number of memory blocks allocated by the host for + * this packet. + */ + u8 total_mem_blocks; + /* + * Number of extra bytes, at the end of the frame. the host + * uses this padding to complete each frame to integer number + * of SDIO blocks. + */ + u8 extra_bytes; +} __packed; + struct wl1271_tx_hw_descr { /* Length of packet in words, including descriptor+header+data */ __le16 length; - /* Number of extra memory blocks to allocate for this packet in - addition to the number of blocks derived from the packet length */ - u8 extra_mem_blocks; - /* Total number of memory blocks allocated by the host for this packet. - Must be equal or greater than the actual blocks number allocated by - HW!! */ - u8 total_mem_blocks; + union { + struct wl127x_tx_mem wl127x_mem; + struct wl128x_tx_mem wl128x_mem; + } __packed; /* Device time (in us) when the packet arrived to the driver */ __le32 start_time; - /* Max delay in TUs until transmission. The last device time the - packet can be transmitted is: startTime+(1024*LifeTime) */ + /* + * Max delay in TUs until transmission. The last device time the + * packet can be transmitted is: start_time + (1024 * life_time) + */ __le16 life_time; /* Bitwise fields - see TX_ATTR... definitions above. */ __le16 tx_attr; diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index a2e899d4e1aa..959b338d0af4 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -303,6 +303,7 @@ struct wl1271_if_operations { struct device* (*dev)(struct wl1271 *wl); void (*enable_irq)(struct wl1271 *wl); void (*disable_irq)(struct wl1271 *wl); + void (*set_block_size) (struct wl1271 *wl); }; #define MAX_NUM_KEYS 14 @@ -533,6 +534,8 @@ struct wl1271 { bool ba_support; u8 ba_rx_bitmap; + u32 block_size; + /* * AP-mode - links indexed by HLID. The global and broadcast links * are always active. |
