From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- .../net/ethernet/stmicro/stmmac/descs_com.h | 126 +++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 ANDROID_3.4.5/drivers/net/ethernet/stmicro/stmmac/descs_com.h (limited to 'ANDROID_3.4.5/drivers/net/ethernet/stmicro/stmmac/descs_com.h') diff --git a/ANDROID_3.4.5/drivers/net/ethernet/stmicro/stmmac/descs_com.h b/ANDROID_3.4.5/drivers/net/ethernet/stmicro/stmmac/descs_com.h new file mode 100644 index 00000000..dd8d6e19 --- /dev/null +++ b/ANDROID_3.4.5/drivers/net/ethernet/stmicro/stmmac/descs_com.h @@ -0,0 +1,126 @@ +/******************************************************************************* + Header File to describe Normal/enhanced descriptor functions used for RING + and CHAINED modes. + + Copyright(C) 2011 STMicroelectronics Ltd + + It defines all the functions used to handle the normal/enhanced + descriptors in case of the DMA is configured to work in chained or + in ring mode. + + This program is free software; you can redistribute it and/or modify it + under the terms and conditions of the GNU General Public License, + version 2, as published by the Free Software Foundation. + + This program is distributed in the hope it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + + The full GNU General Public License is included in this distribution in + the file called "COPYING". + + Author: Giuseppe Cavallaro +*******************************************************************************/ + +#if defined(CONFIG_STMMAC_RING) +static inline void ehn_desc_rx_set_on_ring_chain(struct dma_desc *p, int end) +{ + p->des01.erx.buffer2_size = BUF_SIZE_8KiB - 1; + if (end) + p->des01.erx.end_ring = 1; +} + +static inline void ehn_desc_tx_set_on_ring_chain(struct dma_desc *p, int end) +{ + if (end) + p->des01.etx.end_ring = 1; +} + +static inline void enh_desc_end_tx_desc(struct dma_desc *p, int ter) +{ + p->des01.etx.end_ring = ter; +} + +static inline void enh_set_tx_desc_len(struct dma_desc *p, int len) +{ + if (unlikely(len > BUF_SIZE_4KiB)) { + p->des01.etx.buffer1_size = BUF_SIZE_4KiB; + p->des01.etx.buffer2_size = len - BUF_SIZE_4KiB; + } else + p->des01.etx.buffer1_size = len; +} + +static inline void ndesc_rx_set_on_ring_chain(struct dma_desc *p, int end) +{ + p->des01.rx.buffer2_size = BUF_SIZE_2KiB - 1; + if (end) + p->des01.rx.end_ring = 1; +} + +static inline void ndesc_tx_set_on_ring_chain(struct dma_desc *p, int end) +{ + if (end) + p->des01.tx.end_ring = 1; +} + +static inline void ndesc_end_tx_desc(struct dma_desc *p, int ter) +{ + p->des01.tx.end_ring = ter; +} + +static inline void norm_set_tx_desc_len(struct dma_desc *p, int len) +{ + if (unlikely(len > BUF_SIZE_2KiB)) { + p->des01.etx.buffer1_size = BUF_SIZE_2KiB - 1; + p->des01.etx.buffer2_size = len - p->des01.etx.buffer1_size; + } else + p->des01.tx.buffer1_size = len; +} + +#else + +static inline void ehn_desc_rx_set_on_ring_chain(struct dma_desc *p, int end) +{ + p->des01.erx.second_address_chained = 1; +} + +static inline void ehn_desc_tx_set_on_ring_chain(struct dma_desc *p, int end) +{ + p->des01.etx.second_address_chained = 1; +} + +static inline void enh_desc_end_tx_desc(struct dma_desc *p, int ter) +{ + p->des01.etx.second_address_chained = 1; +} + +static inline void enh_set_tx_desc_len(struct dma_desc *p, int len) +{ + p->des01.etx.buffer1_size = len; +} + +static inline void ndesc_rx_set_on_ring_chain(struct dma_desc *p, int end) +{ + p->des01.rx.second_address_chained = 1; +} + +static inline void ndesc_tx_set_on_ring_chain(struct dma_desc *p, int ring_size) +{ + p->des01.tx.second_address_chained = 1; +} + +static inline void ndesc_end_tx_desc(struct dma_desc *p, int ter) +{ + p->des01.tx.second_address_chained = 1; +} + +static inline void norm_set_tx_desc_len(struct dma_desc *p, int len) +{ + p->des01.tx.buffer1_size = len; +} +#endif -- cgit