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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>
This commit is contained in:
Gabor Juhos 2013-10-17 09:42:25 +02:00 committed by John W. Linville
parent 7573afdf80
commit 1052e3a6ae
3 changed files with 169 additions and 159 deletions
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163
drivers/net/wireless/rt2x00/rt2800mmio.c
View File

@ -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, &reg);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
rt2x00_set_field32(&reg, 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, &reg);
rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
rt2x00_set_field32(&reg, 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(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
rt2x00_set_field32(&reg, 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");

6
drivers/net/wireless/rt2x00/rt2800mmio.h
View File

@ -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 */

159
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@ -242,168 +242,9 @@ static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
return 0;
}
/*
* 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, &reg);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
rt2x00_set_field32(&reg, 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, &reg);
rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
rt2x00_set_field32(&reg, 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(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
rt2x00_set_field32(&reg, 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;