diff options
author | Gabor Juhos <juhosg@openwrt.org> | 2013-10-17 07:42:25 (GMT) |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2013-10-18 18:06:59 (GMT) |
commit | 1052e3a6ae461c5ebcc1f346382ca9bc3a93e1dd (patch) | |
tree | 1e0add88f94c00572483ba9f43d26fe9476283e9 /drivers/net/wireless/rt2x00 | |
parent | 7573afdf807e684de0fd9b1845d24ad0c7d3094d (diff) | |
download | linux-1052e3a6ae461c5ebcc1f346382ca9bc3a93e1dd.tar.xz |
rt2x00: rt2800pci: move initialization functions to the rt2800mmio module
Move the functions into a separate module, in order
to make those usable from other modules.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2800mmio.c | 163 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2800mmio.h | 6 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 159 |
3 files changed, 169 insertions, 159 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800mmio.c b/drivers/net/wireless/rt2x00/rt2800mmio.c index c42bea5..7e8c224 100644 --- a/drivers/net/wireless/rt2x00/rt2800mmio.c +++ b/drivers/net/wireless/rt2x00/rt2800mmio.c @@ -689,6 +689,169 @@ void rt2800mmio_queue_init(struct data_queue *queue) } EXPORT_SYMBOL_GPL(rt2800mmio_queue_init); +/* + * Initialization functions. + */ +bool rt2800mmio_get_entry_state(struct queue_entry *entry) +{ + struct queue_entry_priv_mmio *entry_priv = entry->priv_data; + u32 word; + + if (entry->queue->qid == QID_RX) { + rt2x00_desc_read(entry_priv->desc, 1, &word); + + return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); + } else { + rt2x00_desc_read(entry_priv->desc, 1, &word); + + return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); + } +} +EXPORT_SYMBOL_GPL(rt2800mmio_get_entry_state); + +void rt2800mmio_clear_entry(struct queue_entry *entry) +{ + struct queue_entry_priv_mmio *entry_priv = entry->priv_data; + struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; + u32 word; + + if (entry->queue->qid == QID_RX) { + rt2x00_desc_read(entry_priv->desc, 0, &word); + rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); + rt2x00_desc_write(entry_priv->desc, 0, word); + + rt2x00_desc_read(entry_priv->desc, 1, &word); + rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); + rt2x00_desc_write(entry_priv->desc, 1, word); + + /* + * Set RX IDX in register to inform hardware that we have + * handled this entry and it is available for reuse again. + */ + rt2x00mmio_register_write(rt2x00dev, RX_CRX_IDX, + entry->entry_idx); + } else { + rt2x00_desc_read(entry_priv->desc, 1, &word); + rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); + rt2x00_desc_write(entry_priv->desc, 1, word); + } +} +EXPORT_SYMBOL_GPL(rt2800mmio_clear_entry); + +int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev) +{ + struct queue_entry_priv_mmio *entry_priv; + + /* + * Initialize registers. + */ + entry_priv = rt2x00dev->tx[0].entries[0].priv_data; + rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR0, + entry_priv->desc_dma); + rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT0, + rt2x00dev->tx[0].limit); + rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX0, 0); + rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX0, 0); + + entry_priv = rt2x00dev->tx[1].entries[0].priv_data; + rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR1, + entry_priv->desc_dma); + rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT1, + rt2x00dev->tx[1].limit); + rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX1, 0); + rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX1, 0); + + entry_priv = rt2x00dev->tx[2].entries[0].priv_data; + rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR2, + entry_priv->desc_dma); + rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT2, + rt2x00dev->tx[2].limit); + rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX2, 0); + rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX2, 0); + + entry_priv = rt2x00dev->tx[3].entries[0].priv_data; + rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR3, + entry_priv->desc_dma); + rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT3, + rt2x00dev->tx[3].limit); + rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX3, 0); + rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX3, 0); + + rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR4, 0); + rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT4, 0); + rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX4, 0); + rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX4, 0); + + rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR5, 0); + rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT5, 0); + rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX5, 0); + rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX5, 0); + + entry_priv = rt2x00dev->rx->entries[0].priv_data; + rt2x00mmio_register_write(rt2x00dev, RX_BASE_PTR, + entry_priv->desc_dma); + rt2x00mmio_register_write(rt2x00dev, RX_MAX_CNT, + rt2x00dev->rx[0].limit); + rt2x00mmio_register_write(rt2x00dev, RX_CRX_IDX, + rt2x00dev->rx[0].limit - 1); + rt2x00mmio_register_write(rt2x00dev, RX_DRX_IDX, 0); + + rt2800_disable_wpdma(rt2x00dev); + + rt2x00mmio_register_write(rt2x00dev, DELAY_INT_CFG, 0); + + return 0; +} +EXPORT_SYMBOL_GPL(rt2800mmio_init_queues); + +int rt2800mmio_init_registers(struct rt2x00_dev *rt2x00dev) +{ + u32 reg; + + /* + * Reset DMA indexes + */ + rt2x00mmio_register_read(rt2x00dev, WPDMA_RST_IDX, ®); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); + rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); + rt2x00mmio_register_write(rt2x00dev, WPDMA_RST_IDX, reg); + + rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); + rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); + + if (rt2x00_is_pcie(rt2x00dev) && + (rt2x00_rt(rt2x00dev, RT3090) || + rt2x00_rt(rt2x00dev, RT3390) || + rt2x00_rt(rt2x00dev, RT3572) || + rt2x00_rt(rt2x00dev, RT3593) || + rt2x00_rt(rt2x00dev, RT5390) || + rt2x00_rt(rt2x00dev, RT5392) || + rt2x00_rt(rt2x00dev, RT5592))) { + rt2x00mmio_register_read(rt2x00dev, AUX_CTRL, ®); + rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); + rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); + rt2x00mmio_register_write(rt2x00dev, AUX_CTRL, reg); + } + + rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); + + reg = 0; + rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); + rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); + rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, reg); + + rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); + + return 0; +} +EXPORT_SYMBOL_GPL(rt2800mmio_init_registers); + MODULE_AUTHOR(DRV_PROJECT); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("rt2800 MMIO library"); diff --git a/drivers/net/wireless/rt2x00/rt2800mmio.h b/drivers/net/wireless/rt2x00/rt2800mmio.h index 676df2e..392895a 100644 --- a/drivers/net/wireless/rt2x00/rt2800mmio.h +++ b/drivers/net/wireless/rt2x00/rt2800mmio.h @@ -153,4 +153,10 @@ void rt2800mmio_kick_queue(struct data_queue *queue); void rt2800mmio_stop_queue(struct data_queue *queue); void rt2800mmio_queue_init(struct data_queue *queue); +/* Initialization functions */ +bool rt2800mmio_get_entry_state(struct queue_entry *entry); +void rt2800mmio_clear_entry(struct queue_entry *entry); +int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev); +int rt2800mmio_init_registers(struct rt2x00_dev *rt2x00dev); + #endif /* RT2800MMIO_H */ diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 7770471..5ae90df6 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -243,167 +243,8 @@ static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev, } /* - * Initialization functions. - */ -static bool rt2800mmio_get_entry_state(struct queue_entry *entry) -{ - struct queue_entry_priv_mmio *entry_priv = entry->priv_data; - u32 word; - - if (entry->queue->qid == QID_RX) { - rt2x00_desc_read(entry_priv->desc, 1, &word); - - return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); - } else { - rt2x00_desc_read(entry_priv->desc, 1, &word); - - return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); - } -} - -static void rt2800mmio_clear_entry(struct queue_entry *entry) -{ - struct queue_entry_priv_mmio *entry_priv = entry->priv_data; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - u32 word; - - if (entry->queue->qid == QID_RX) { - rt2x00_desc_read(entry_priv->desc, 0, &word); - rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); - rt2x00_desc_write(entry_priv->desc, 0, word); - - rt2x00_desc_read(entry_priv->desc, 1, &word); - rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); - rt2x00_desc_write(entry_priv->desc, 1, word); - - /* - * Set RX IDX in register to inform hardware that we have - * handled this entry and it is available for reuse again. - */ - rt2x00mmio_register_write(rt2x00dev, RX_CRX_IDX, - entry->entry_idx); - } else { - rt2x00_desc_read(entry_priv->desc, 1, &word); - rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); - rt2x00_desc_write(entry_priv->desc, 1, word); - } -} - -static int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev) -{ - struct queue_entry_priv_mmio *entry_priv; - - /* - * Initialize registers. - */ - entry_priv = rt2x00dev->tx[0].entries[0].priv_data; - rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR0, - entry_priv->desc_dma); - rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT0, - rt2x00dev->tx[0].limit); - rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX0, 0); - rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX0, 0); - - entry_priv = rt2x00dev->tx[1].entries[0].priv_data; - rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR1, - entry_priv->desc_dma); - rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT1, - rt2x00dev->tx[1].limit); - rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX1, 0); - rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX1, 0); - - entry_priv = rt2x00dev->tx[2].entries[0].priv_data; - rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR2, - entry_priv->desc_dma); - rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT2, - rt2x00dev->tx[2].limit); - rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX2, 0); - rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX2, 0); - - entry_priv = rt2x00dev->tx[3].entries[0].priv_data; - rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR3, - entry_priv->desc_dma); - rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT3, - rt2x00dev->tx[3].limit); - rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX3, 0); - rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX3, 0); - - rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR4, 0); - rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT4, 0); - rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX4, 0); - rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX4, 0); - - rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR5, 0); - rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT5, 0); - rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX5, 0); - rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX5, 0); - - entry_priv = rt2x00dev->rx->entries[0].priv_data; - rt2x00mmio_register_write(rt2x00dev, RX_BASE_PTR, - entry_priv->desc_dma); - rt2x00mmio_register_write(rt2x00dev, RX_MAX_CNT, - rt2x00dev->rx[0].limit); - rt2x00mmio_register_write(rt2x00dev, RX_CRX_IDX, - rt2x00dev->rx[0].limit - 1); - rt2x00mmio_register_write(rt2x00dev, RX_DRX_IDX, 0); - - rt2800_disable_wpdma(rt2x00dev); - - rt2x00mmio_register_write(rt2x00dev, DELAY_INT_CFG, 0); - - return 0; -} - -/* * Device state switch handlers. */ -static int rt2800mmio_init_registers(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - /* - * Reset DMA indexes - */ - rt2x00mmio_register_read(rt2x00dev, WPDMA_RST_IDX, ®); - rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); - rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); - rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); - rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); - rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); - rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); - rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); - rt2x00mmio_register_write(rt2x00dev, WPDMA_RST_IDX, reg); - - rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); - rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); - - if (rt2x00_is_pcie(rt2x00dev) && - (rt2x00_rt(rt2x00dev, RT3090) || - rt2x00_rt(rt2x00dev, RT3390) || - rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT3593) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392) || - rt2x00_rt(rt2x00dev, RT5592))) { - rt2x00mmio_register_read(rt2x00dev, AUX_CTRL, ®); - rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); - rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); - rt2x00mmio_register_write(rt2x00dev, AUX_CTRL, reg); - } - - rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); - - reg = 0; - rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); - rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); - rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, reg); - - rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); - - return 0; -} - static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) { int retval; |