/* Copyright (c) 2012, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that 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. */ #ifndef __WCD9310_SLIMSLAVE_H_ #define __WCD9310_SLIMSLAVE_H_ #include <linux/slimbus/slimbus.h> #include <linux/mfd/wcd9xxx/core.h> /* Channel numbers to be used for each port */ enum { SLIM_TX_1 = 128, SLIM_TX_2 = 129, SLIM_TX_3 = 130, SLIM_TX_4 = 131, SLIM_TX_5 = 132, SLIM_TX_6 = 133, SLIM_TX_7 = 134, SLIM_TX_8 = 135, SLIM_TX_9 = 136, SLIM_TX_10 = 137, SLIM_RX_1 = 138, SLIM_RX_2 = 139, SLIM_RX_3 = 140, SLIM_RX_4 = 141, SLIM_RX_5 = 142, SLIM_RX_6 = 143, SLIM_RX_7 = 144, SLIM_MAX = 145 }; /* * client is expected to give port ids in the range of * 1-10 for pre Taiko Tx ports and 1-16 for Taiko * 1-7 for pre Taiko Rx ports and 1-16 for Tako, * we need to add offset for getting the absolute slave * port id before configuring the HW */ #define TABLA_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS 10 #define TAIKO_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS 16 #define SLIM_MAX_TX_PORTS TAIKO_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS #define TABLA_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS \ TABLA_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS #define TAIKO_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS \ TAIKO_SB_PGD_MAX_NUMBER_OF_TX_SLAVE_DEV_PORTS #define TABLA_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS 7 #define TAIKO_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS 13 #define SLIM_MAX_RX_PORTS TAIKO_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS #define TABLA_SB_PGD_RX_PORT_MULTI_CHANNEL_0_START_PORT_ID \ TABLA_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS #define TAIKO_SB_PGD_RX_PORT_MULTI_CHANNEL_0_START_PORT_ID \ TAIKO_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS #define TABLA_SB_PGD_RX_PORT_MULTI_CHANNEL_0_END_PORT_ID 16 #define TAIKO_SB_PGD_RX_PORT_MULTI_CHANNEL_0_END_PORT_ID 31 #define TABLA_SB_PGD_TX_PORT_MULTI_CHANNEL_1_END_PORT_ID 9 #define TAIKO_SB_PGD_TX_PORT_MULTI_CHANNEL_1_END_PORT_ID 15 /* below details are taken from SLIMBUS slave SWI */ #define SB_PGD_PORT_BASE 0x000 #define SB_PGD_PORT_CFG_BYTE_ADDR(offset, port_num) \ (SB_PGD_PORT_BASE + offset + (1 * port_num)) #define SB_PGD_TX_PORT_MULTI_CHANNEL_0(port_num) \ (SB_PGD_PORT_BASE + 0x100 + 4*port_num) #define SB_PGD_TX_PORT_MULTI_CHANNEL_0_START_PORT_ID 0 #define SB_PGD_TX_PORT_MULTI_CHANNEL_0_END_PORT_ID 7 #define SB_PGD_TX_PORT_MULTI_CHANNEL_1(port_num) \ (SB_PGD_PORT_BASE + 0x101 + 4*port_num) #define SB_PGD_TX_PORT_MULTI_CHANNEL_1_START_PORT_ID 8 #define SB_PGD_RX_PORT_MULTI_CHANNEL_0(offset, port_num) \ (SB_PGD_PORT_BASE + offset + (4 * port_num)) /* slave port water mark level * (0: 6bytes, 1: 9bytes, 2: 12 bytes, 3: 15 bytes) */ #define SLAVE_PORT_WATER_MARK_VALUE 2 #define SLAVE_PORT_WATER_MARK_SHIFT 1 #define SLAVE_PORT_ENABLE 1 #define SLAVE_PORT_DISABLE 0 #define BASE_CH_NUM 128 int wcd9xxx_init_slimslave(struct wcd9xxx *wcd9xxx, u8 wcd9xxx_pgd_la); int wcd9xxx_deinit_slimslave(struct wcd9xxx *wcd9xxx); int wcd9xxx_cfg_slim_sch_rx(struct wcd9xxx *wcd9xxx, unsigned int *ch_num, unsigned int tot_ch, unsigned int rate); int wcd9xxx_cfg_slim_sch_tx(struct wcd9xxx *wcd9xxx, unsigned int *ch_num, unsigned int tot_ch, unsigned int rate); int wcd9xxx_close_slim_sch_rx(struct wcd9xxx *wcd9xxx, unsigned int *ch_num, unsigned int tot_ch); int wcd9xxx_close_slim_sch_tx(struct wcd9xxx *wcd9xxx, unsigned int *ch_num, unsigned int tot_ch); int wcd9xxx_get_channel(struct wcd9xxx *wcd9xxx, unsigned int *rx_ch, unsigned int *tx_ch); int wcd9xxx_get_slave_port(unsigned int ch_num); int wcd9xxx_disconnect_port(struct wcd9xxx *wcd9xxx, unsigned int *ch_num, unsigned int tot_ch, unsigned int rx_tx); #endif /* __WCD9310_SLIMSLAVE_H_ */