rtlwifi: rtl_pci: Start modification for new drivers

Future patches will move the drivers for RTL8192EE and RTL8821AE
from staging to the regular wireless tree. Here, the necessary features
are added to the PCI driver. Other files are touched due to changes
in the various data structs.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 45 insertions, 11 deletions

diff --git a/drivers/net/wireless/rtlwifi/pci.h b/drivers/net/wireless/rtlwifi/pci.h
index 90174a8..5e83230 100644
--- a/drivers/net/wireless/rtlwifi/pci.h
+++ b/drivers/net/wireless/rtlwifi/pci.h
@@ -39,10 +39,11 @@
 #define RTL_PCI_RX_CMD_QUEUE			1
 #define RTL_PCI_MAX_RX_QUEUE			2
 
-#define RTL_PCI_MAX_RX_COUNT			64
+#define RTL_PCI_MAX_RX_COUNT			512/*64*/
 #define RTL_PCI_MAX_TX_QUEUE_COUNT		9
 
 #define RT_TXDESC_NUM				128
+#define TX_DESC_NUM_92E				512
 #define RT_TXDESC_NUM_BE_QUEUE			256
 
 #define BK_QUEUE				0
@@ -62,6 +63,12 @@
 	.subdevice = PCI_ANY_ID,\
 	.driver_data = (kernel_ulong_t)&(cfg)
 
+#define INTEL_VENDOR_ID				0x8086
+#define SIS_VENDOR_ID				0x1039
+#define ATI_VENDOR_ID				0x1002
+#define ATI_DEVICE_ID				0x7914
+#define AMD_VENDOR_ID				0x1022
+
 #define PCI_MAX_BRIDGE_NUMBER			255
 #define PCI_MAX_DEVICES				32
 #define PCI_MAX_FUNCTION			8
@@ -69,6 +76,11 @@
 #define PCI_CONF_ADDRESS	0x0CF8	/*PCI Configuration Space Address */
 #define PCI_CONF_DATA		0x0CFC	/*PCI Configuration Space Data */
 
+#define PCI_CLASS_BRIDGE_DEV		0x06
+#define PCI_SUBCLASS_BR_PCI_TO_PCI	0x04
+#define PCI_CAPABILITY_ID_PCI_EXPRESS	0x10
+#define PCI_CAP_ID_EXP			0x10
+
 #define U1DONTCARE			0xFF
 #define U2DONTCARE			0xFFFF
 #define U4DONTCARE			0xFFFFFFFF
@@ -87,6 +99,7 @@
 #define RTL_PCI_700F_DID	0x700F
 #define RTL_PCI_701F_DID	0x701F
 #define RTL_PCI_DLINK_DID	0x3304
+#define RTL_PCI_8723AE_DID	0x8723	/*8723e */
 #define RTL_PCI_8192CET_DID	0x8191	/*8192ce */
 #define RTL_PCI_8192CE_DID	0x8178	/*8192ce */
 #define RTL_PCI_8191CE_DID	0x8177	/*8192ce */
@@ -95,6 +108,10 @@
 #define RTL_PCI_8192DE_DID	0x8193	/*8192de */
 #define RTL_PCI_8192DE_DID2	0x002B	/*92DE*/
 #define RTL_PCI_8188EE_DID	0x8179  /*8188ee*/
+#define RTL_PCI_8723BE_DID	0xB723  /*8723be*/
+#define RTL_PCI_8192EE_DID	0x818B	/*8192ee*/
+#define RTL_PCI_8821AE_DID	0x8821	/*8821ae*/
+#define RTL_PCI_8812AE_DID	0x8812	/*8812ae*/
 
 /*8192 support 16 pages of IO registers*/
 #define RTL_MEM_MAPPED_IO_RANGE_8190PCI		0x1000
@@ -125,24 +142,34 @@ struct rtl_pci_capabilities_header {
 	u8 next;
 };
 
-struct rtl_rx_desc {
-	u32 dword[8];
+/* In new TRX flow, Buffer_desc is new concept
+ * But TX wifi info == TX descriptor in old flow
+ * RX wifi info == RX descriptor in old flow
+ */
+struct rtl_tx_buffer_desc {
+#if (RTL8192EE_SEG_NUM == 2)
+	u32 dword[2*(DMA_IS_64BIT + 1)*8]; /*seg = 8*/
+#elif (RTL8192EE_SEG_NUM == 1)
+	u32 dword[2*(DMA_IS_64BIT + 1)*4]; /*seg = 4*/
+#elif (RTL8192EE_SEG_NUM == 0)
+	u32 dword[2*(DMA_IS_64BIT + 1)*2]; /*seg = 2*/
+#endif
 } __packed;
 
 struct rtl_tx_desc {
 	u32 dword[16];
 } __packed;
 
-struct rtl_tx_cmd_desc {
-	u32 dword[16];
+struct rtl_rx_buffer_desc { /*rx buffer desc*/
+	u32 dword[2];
 } __packed;
 
-/* In new TRX flow, Buffer_desc is new concept
- * But TX wifi info == TX descriptor in old flow
- * RX wifi info == RX descriptor in old flow
- */
-struct rtl_tx_buffer_desc {
-	u32 dword[8]; /*seg = 4*/
+struct rtl_rx_desc { /*old: rx desc new: rx wifi info*/
+	u32 dword[8];
+} __packed;
+
+struct rtl_tx_cmd_desc {
+	u32 dword[16];
 } __packed;
 
 struct rtl8192_tx_ring {
@@ -153,6 +180,10 @@ struct rtl8192_tx_ring {
 	struct sk_buff_head queue;
 	/*add for new trx flow*/
 	struct rtl_tx_buffer_desc *buffer_desc; /*tx buffer descriptor*/
+	dma_addr_t buffer_desc_dma; /*tx bufferd desc dma memory*/
+	u16 avl_desc; /* available_desc_to_write */
+	u16 cur_tx_wp; /* current_tx_write_point */
+	u16 cur_tx_rp; /* current_tx_read_point */
 };
 
 struct rtl8192_rx_ring {
@@ -160,6 +191,9 @@ struct rtl8192_rx_ring {
 	dma_addr_t dma;
 	unsigned int idx;
 	struct sk_buff *rx_buf[RTL_PCI_MAX_RX_COUNT];
+	/*add for new trx flow*/
+	struct rtl_rx_buffer_desc *buffer_desc; /*rx buffer descriptor*/
+	u16 next_rx_rp; /* next_rx_read_point */
 };
 
 struct rtl_pci {