120 lines
4.3 KiB
C
120 lines
4.3 KiB
C
/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __WCD9310_SLIMSLAVE_H_
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#define __WCD9310_SLIMSLAVE_H_
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#include <linux/slimbus/slimbus.h>
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#include <linux/mfd/wcd9xxx/core.h>
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/*
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* client is expected to give port ids in the range of
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* 1-10 for pre Taiko Tx ports and 1-16 for Taiko
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* 1-7 for pre Taiko Rx ports and 1-16 for Tako,
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* we need to add offset for getting the absolute slave
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* port id before configuring the HW
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*/
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#define TABLA_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS 10
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#define TAIKO_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS 16
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#define SLIM_MAX_TX_PORTS TAIKO_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS
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#define TABLA_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS \
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TABLA_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS
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#define TAIKO_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS \
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TAIKO_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS
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#define TABLA_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS 7
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#define TAIKO_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS 13
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#define SLIM_MAX_RX_PORTS TAIKO_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS
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#define SLIM_MAX_REG_ADDR (0x180 + 4 * (SLIM_MAX_RX_PORTS))
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#define TABLA_SB_PGD_RX_PORT_MULTI_CHANNEL_0_START_PORT_ID \
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TABLA_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS
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#define TAIKO_SB_PGD_RX_PORT_MULTI_CHANNEL_0_START_PORT_ID \
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TAIKO_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS
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#define TABLA_SB_PGD_RX_PORT_MULTI_CHANNEL_0_END_PORT_ID 16
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#define TAIKO_SB_PGD_RX_PORT_MULTI_CHANNEL_0_END_PORT_ID 31
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#define TABLA_SB_PGD_TX_PORT_MULTI_CHANNEL_1_END_PORT_ID 9
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#define TAIKO_SB_PGD_TX_PORT_MULTI_CHANNEL_1_END_PORT_ID 15
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/* below details are taken from SLIMBUS slave SWI */
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#define SB_PGD_PORT_BASE 0x000
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#define SB_PGD_PORT_CFG_BYTE_ADDR(offset, port_num) \
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(SB_PGD_PORT_BASE + offset + (1 * port_num))
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#define SB_PGD_TX_PORT_MULTI_CHANNEL_0(port_num) \
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(SB_PGD_PORT_BASE + 0x100 + 4*port_num)
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#define SB_PGD_TX_PORT_MULTI_CHANNEL_0_START_PORT_ID 0
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#define SB_PGD_TX_PORT_MULTI_CHANNEL_0_END_PORT_ID 7
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#define SB_PGD_TX_PORT_MULTI_CHANNEL_1(port_num) \
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(SB_PGD_PORT_BASE + 0x101 + 4*port_num)
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#define SB_PGD_TX_PORT_MULTI_CHANNEL_1_START_PORT_ID 8
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#define SB_PGD_RX_PORT_MULTI_CHANNEL_0(offset, port_num) \
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(SB_PGD_PORT_BASE + offset + (4 * port_num))
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/* slave port water mark level
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* (0: 6bytes, 1: 9bytes, 2: 12 bytes, 3: 15 bytes)
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*/
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#define SLAVE_PORT_WATER_MARK_6BYTES 0
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#define SLAVE_PORT_WATER_MARK_9BYTES 1
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#define SLAVE_PORT_WATER_MARK_12BYTES 2
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#define SLAVE_PORT_WATER_MARK_15BYTES 3
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#define SLAVE_PORT_WATER_MARK_SHIFT 1
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#define SLAVE_PORT_ENABLE 1
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#define SLAVE_PORT_DISABLE 0
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#define WATER_MARK_VAL \
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((SLAVE_PORT_WATER_MARK_12BYTES << SLAVE_PORT_WATER_MARK_SHIFT) | \
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(SLAVE_PORT_ENABLE))
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#define BASE_CH_NUM 128
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int wcd9xxx_init_slimslave(struct wcd9xxx *wcd9xxx,
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u8 wcd9xxx_pgd_la,
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unsigned int tx_num, unsigned int *tx_slot,
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unsigned int rx_num, unsigned int *rx_slot);
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int wcd9xxx_deinit_slimslave(struct wcd9xxx *wcd9xxx);
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int wcd9xxx_cfg_slim_sch_rx(struct wcd9xxx *wcd9xxx,
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struct list_head *wcd9xxx_ch_list,
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unsigned int rate, unsigned int bit_width,
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u16 *grph);
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int wcd9xxx_cfg_slim_sch_tx(struct wcd9xxx *wcd9xxx,
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struct list_head *wcd9xxx_ch_list,
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unsigned int rate, unsigned int bit_width,
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u16 *grph);
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int wcd9xxx_close_slim_sch_rx(struct wcd9xxx *wcd9xxx,
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struct list_head *wcd9xxx_ch_list, u16 grph);
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int wcd9xxx_close_slim_sch_tx(struct wcd9xxx *wcd9xxx,
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struct list_head *wcd9xxx_ch_list, u16 grph);
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int wcd9xxx_get_channel(struct wcd9xxx *wcd9xxx,
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unsigned int *rx_ch,
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unsigned int *tx_ch);
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int wcd9xxx_get_slave_port(unsigned int ch_num);
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int wcd9xxx_disconnect_port(struct wcd9xxx *wcd9xxx,
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struct list_head *wcd9xxx_ch_list, u16 grph);
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int wcd9xxx_rx_vport_validation(u32 port_id,
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struct list_head *codec_dai_list);
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int wcd9xxx_tx_vport_validation(u32 vtable, u32 port_id,
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struct wcd9xxx_codec_dai_data *codec_dai,
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u32 num_codec_dais);
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#endif /* __WCD9310_SLIMSLAVE_H_ */
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