[media] c8sectpfe: STiH407/10 Linux DVB demux support

This patch adds support for the c8sectpfe input HW found on
STiH407/410 SoC's.

It currently supports the TS input block, memdma engine
and hw PID filtering blocks of the C8SECTPFE subsystem.

The driver creates one LinuxDVB adapter, and a
demux/dvr/frontend set of devices for each tsin channel
which is specificed in the DT. It has been tested with
multiple tsin channels tuned, locked, and grabbing TS
simultaneously.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Peter Griffin 2015-07-30 14:08:56 -03:00 committed by Mauro Carvalho Chehab
parent 5d8877b6ae
commit c5f5d0f997
2 changed files with 1523 additions and 0 deletions

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/*
* c8sectpfe-core.h - C8SECTPFE STi DVB driver
*
* Copyright (c) STMicroelectronics 2015
*
* Author:Peter Bennett <peter.bennett@st.com>
* Peter Griffin <peter.griffin@linaro.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
#ifndef _C8SECTPFE_CORE_H_
#define _C8SECTPFE_CORE_H_
#define C8SECTPFEI_MAXCHANNEL 16
#define C8SECTPFEI_MAXADAPTER 3
#define C8SECTPFE_MAX_TSIN_CHAN 8
struct channel_info {
int tsin_id;
bool invert_ts_clk;
bool serial_not_parallel;
bool async_not_sync;
int i2c;
int dvb_card;
int rst_gpio;
struct i2c_adapter *i2c_adapter;
struct i2c_adapter *tuner_i2c;
struct i2c_adapter *lnb_i2c;
struct i2c_client *i2c_client;
struct dvb_frontend *frontend;
struct pinctrl_state *pstate;
int demux_mapping;
int active;
void *back_buffer_start;
void *back_buffer_aligned;
dma_addr_t back_buffer_busaddr;
void *pid_buffer_start;
void *pid_buffer_aligned;
dma_addr_t pid_buffer_busaddr;
unsigned long fifo;
struct completion idle_completion;
struct tasklet_struct tsklet;
struct c8sectpfei *fei;
void __iomem *irec;
};
struct c8sectpfe_hw {
int num_ib;
int num_mib;
int num_swts;
int num_tsout;
int num_ccsc;
int num_ram;
int num_tp;
};
struct c8sectpfei {
struct device *dev;
struct pinctrl *pinctrl;
struct dentry *root;
struct debugfs_regset32 *regset;
struct completion fw_ack;
atomic_t fw_loaded;
int tsin_count;
struct c8sectpfe_hw hw_stats;
struct c8sectpfe *c8sectpfe[C8SECTPFEI_MAXADAPTER];
int mapping[C8SECTPFEI_MAXCHANNEL];
struct mutex lock;
struct timer_list timer; /* timer interrupts for outputs */
void __iomem *io;
void __iomem *sram;
unsigned long sram_size;
struct channel_info *channel_data[C8SECTPFE_MAX_TSIN_CHAN];
struct clk *c8sectpfeclk;
int nima_rst_gpio;
int nimb_rst_gpio;
int idle_irq;
int error_irq;
int global_feed_count;
};
/* C8SECTPFE SYS Regs list */
#define SYS_INPUT_ERR_STATUS 0x0
#define SYS_OTHER_ERR_STATUS 0x8
#define SYS_INPUT_ERR_MASK 0x10
#define SYS_OTHER_ERR_MASK 0x18
#define SYS_DMA_ROUTE 0x20
#define SYS_INPUT_CLKEN 0x30
#define IBENABLE_MASK 0x7F
#define SYS_OTHER_CLKEN 0x38
#define TSDMAENABLE BIT(1)
#define MEMDMAENABLE BIT(0)
#define SYS_CFG_NUM_IB 0x200
#define SYS_CFG_NUM_MIB 0x204
#define SYS_CFG_NUM_SWTS 0x208
#define SYS_CFG_NUM_TSOUT 0x20C
#define SYS_CFG_NUM_CCSC 0x210
#define SYS_CFG_NUM_RAM 0x214
#define SYS_CFG_NUM_TP 0x218
/* Input Block Regs */
#define C8SECTPFE_INPUTBLK_OFFSET 0x1000
#define C8SECTPFE_CHANNEL_OFFSET(x) ((x*0x40) + C8SECTPFE_INPUTBLK_OFFSET)
#define C8SECTPFE_IB_IP_FMT_CFG(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x00)
#define C8SECTPFE_IGNORE_ERR_AT_SOP BIT(7)
#define C8SECTPFE_IGNORE_ERR_IN_PKT BIT(6)
#define C8SECTPFE_IGNORE_ERR_IN_BYTE BIT(5)
#define C8SECTPFE_INVERT_TSCLK BIT(4)
#define C8SECTPFE_ALIGN_BYTE_SOP BIT(3)
#define C8SECTPFE_ASYNC_NOT_SYNC BIT(2)
#define C8SECTPFE_BYTE_ENDIANNESS_MSB BIT(1)
#define C8SECTPFE_SERIAL_NOT_PARALLEL BIT(0)
#define C8SECTPFE_IB_SYNCLCKDRP_CFG(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x04)
#define C8SECTPFE_SYNC(x) (x & 0xf)
#define C8SECTPFE_DROP(x) ((x<<4) & 0xf)
#define C8SECTPFE_TOKEN(x) ((x<<8) & 0xff00)
#define C8SECTPFE_SLDENDIANNESS BIT(16)
#define C8SECTPFE_IB_TAGBYTES_CFG(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x08)
#define C8SECTPFE_TAG_HEADER(x) (x << 16)
#define C8SECTPFE_TAG_COUNTER(x) ((x<<1) & 0x7fff)
#define C8SECTPFE_TAG_ENABLE BIT(0)
#define C8SECTPFE_IB_PID_SET(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x0C)
#define C8SECTPFE_PID_OFFSET(x) (x & 0x3f)
#define C8SECTPFE_PID_NUMBITS(x) ((x << 6) & 0xfff)
#define C8SECTPFE_PID_ENABLE BIT(31)
#define C8SECTPFE_IB_PKT_LEN(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x10)
#define C8SECTPFE_IB_BUFF_STRT(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x14)
#define C8SECTPFE_IB_BUFF_END(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x18)
#define C8SECTPFE_IB_READ_PNT(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x1C)
#define C8SECTPFE_IB_WRT_PNT(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x20)
#define C8SECTPFE_IB_PRI_THRLD(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x24)
#define C8SECTPFE_PRI_VALUE(x) (x & 0x7fffff)
#define C8SECTPFE_PRI_LOWPRI(x) ((x & 0xf) << 24)
#define C8SECTPFE_PRI_HIGHPRI(x) ((x & 0xf) << 28)
#define C8SECTPFE_IB_STAT(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x28)
#define C8SECTPFE_STAT_FIFO_OVERFLOW(x) (x & 0x1)
#define C8SECTPFE_STAT_BUFFER_OVERFLOW(x) (x & 0x2)
#define C8SECTPFE_STAT_OUTOFORDERRP(x) (x & 0x4)
#define C8SECTPFE_STAT_PID_OVERFLOW(x) (x & 0x8)
#define C8SECTPFE_STAT_PKT_OVERFLOW(x) (x & 0x10)
#define C8SECTPFE_STAT_ERROR_PACKETS(x) ((x >> 8) & 0xf)
#define C8SECTPFE_STAT_SHORT_PACKETS(x) ((x >> 12) & 0xf)
#define C8SECTPFE_IB_MASK(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x2C)
#define C8SECTPFE_MASK_FIFO_OVERFLOW BIT(0)
#define C8SECTPFE_MASK_BUFFER_OVERFLOW BIT(1)
#define C8SECTPFE_MASK_OUTOFORDERRP(x) BIT(2)
#define C8SECTPFE_MASK_PID_OVERFLOW(x) BIT(3)
#define C8SECTPFE_MASK_PKT_OVERFLOW(x) BIT(4)
#define C8SECTPFE_MASK_ERROR_PACKETS(x) ((x & 0xf) << 8)
#define C8SECTPFE_MASK_SHORT_PACKETS(x) ((x & 0xf) >> 12)
#define C8SECTPFE_IB_SYS(x) (C8SECTPFE_CHANNEL_OFFSET(x) + 0x30)
#define C8SECTPFE_SYS_RESET BIT(1)
#define C8SECTPFE_SYS_ENABLE BIT(0)
/*
* Ponter record data structure required for each input block
* see Table 82 on page 167 of functional specification.
*/
#define DMA_PRDS_MEMBASE 0x0 /* Internal sram base address */
#define DMA_PRDS_MEMTOP 0x4 /* Internal sram top address */
/*
* TS packet size, including tag bytes added by input block,
* rounded up to the next multiple of 8 bytes. The packet size,
* including any tagging bytes and rounded up to the nearest
* multiple of 8 bytes must be less than 255 bytes.
*/
#define DMA_PRDS_PKTSIZE 0x8
#define DMA_PRDS_TPENABLE 0xc
#define TP0_OFFSET 0x10
#define DMA_PRDS_BUSBASE_TP(x) ((0x10*x) + TP0_OFFSET)
#define DMA_PRDS_BUSTOP_TP(x) ((0x10*x) + TP0_OFFSET + 0x4)
#define DMA_PRDS_BUSWP_TP(x) ((0x10*x) + TP0_OFFSET + 0x8)
#define DMA_PRDS_BUSRP_TP(x) ((0x10*x) + TP0_OFFSET + 0xc)
#define DMA_PRDS_SIZE (0x20)
#define DMA_MEMDMA_OFFSET 0x4000
#define DMA_IMEM_OFFSET 0x0
#define DMA_DMEM_OFFSET 0x4000
#define DMA_CPU 0x8000
#define DMA_PER_OFFSET 0xb000
#define DMA_MEMDMA_DMEM (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET)
#define DMA_MEMDMA_IMEM (DMA_MEMDMA_OFFSET + DMA_IMEM_OFFSET)
/* XP70 Slim core regs */
#define DMA_CPU_ID (DMA_MEMDMA_OFFSET + DMA_CPU + 0x0)
#define DMA_CPU_VCR (DMA_MEMDMA_OFFSET + DMA_CPU + 0x4)
#define DMA_CPU_RUN (DMA_MEMDMA_OFFSET + DMA_CPU + 0x8)
#define DMA_CPU_CLOCKGATE (DMA_MEMDMA_OFFSET + DMA_CPU + 0xc)
#define DMA_CPU_PC (DMA_MEMDMA_OFFSET + DMA_CPU + 0x20)
/* Enable Interrupt for a IB */
#define DMA_PER_TPn_DREQ_MASK (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xd00)
/* Ack interrupt by setting corresponding bit */
#define DMA_PER_TPn_DACK_SET (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xd80)
#define DMA_PER_TPn_DREQ (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xe00)
#define DMA_PER_TPn_DACK (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xe80)
#define DMA_PER_DREQ_MODE (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf80)
#define DMA_PER_STBUS_SYNC (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf88)
#define DMA_PER_STBUS_ACCESS (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf8c)
#define DMA_PER_STBUS_ADDRESS (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf90)
#define DMA_PER_IDLE_INT (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfa8)
#define DMA_PER_PRIORITY (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfac)
#define DMA_PER_MAX_OPCODE (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfb0)
#define DMA_PER_MAX_CHUNK (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfb4)
#define DMA_PER_PAGE_SIZE (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfbc)
#define DMA_PER_MBOX_STATUS (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfc0)
#define DMA_PER_MBOX_SET (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfc8)
#define DMA_PER_MBOX_CLEAR (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfd0)
#define DMA_PER_MBOX_MASK (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfd8)
#define DMA_PER_INJECT_PKT_SRC (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfe0)
#define DMA_PER_INJECT_PKT_DEST (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfe4)
#define DMA_PER_INJECT_PKT_ADDR (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfe8)
#define DMA_PER_INJECT_PKT (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfec)
#define DMA_PER_PAT_PTR_INIT (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xff0)
#define DMA_PER_PAT_PTR (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xff4)
#define DMA_PER_SLEEP_MASK (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xff8)
#define DMA_PER_SLEEP_COUNTER (DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xffc)
/* #define DMA_RF_CPUREGn DMA_RFBASEADDR n=0 to 15) slim regsa */
/* The following are from DMA_DMEM_BaseAddress */
#define DMA_FIRMWARE_VERSION (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x0)
#define DMA_PTRREC_BASE (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x4)
#define DMA_PTRREC_INPUT_OFFSET (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x8)
#define DMA_ERRREC_BASE (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0xc)
#define DMA_ERROR_RECORD(n) ((n*4) + DMA_ERRREC_BASE + 0x4)
#define DMA_IDLE_REQ (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x10)
#define IDLEREQ BIT(31)
#define DMA_FIRMWARE_CONFIG (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x14)
/* Regs for PID Filter */
#define PIDF_OFFSET 0x2800
#define PIDF_BASE(n) ((n*4) + PIDF_OFFSET)
#define PIDF_LEAK_ENABLE (PIDF_OFFSET + 0x100)
#define PIDF_LEAK_STATUS (PIDF_OFFSET + 0x108)
#define PIDF_LEAK_COUNT_RESET (PIDF_OFFSET + 0x110)
#define PIDF_LEAK_COUNTER (PIDF_OFFSET + 0x114)
#endif /* _C8SECTPFE_CORE_H_ */