From 6eb94193fa9a54aab0e1dae8311297682634c3bd Mon Sep 17 00:00:00 2001 From: Ralph Metzler Date: Sun, 3 Jul 2011 14:00:57 -0300 Subject: [PATCH] [media] cxd2099: Update to latest version Import latest driver from ddbridge-0.6.1.tar.bz2. Signed-off-by: Ralph Metzler Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/cxd2099/cxd2099.c | 250 ++++++++++++++++++++---------- drivers/staging/cxd2099/cxd2099.h | 16 +- 2 files changed, 178 insertions(+), 88 deletions(-) diff --git a/drivers/staging/cxd2099/cxd2099.c b/drivers/staging/cxd2099/cxd2099.c index b49186c74eb3..803a592b3507 100644 --- a/drivers/staging/cxd2099/cxd2099.c +++ b/drivers/staging/cxd2099/cxd2099.c @@ -1,7 +1,7 @@ /* * cxd2099.c: Driver for the CXD2099AR Common Interface Controller * - * Copyright (C) 2010 DigitalDevices UG + * Copyright (C) 2010-2011 Digital Devices GmbH * * * This program is free software; you can redistribute it and/or @@ -42,13 +42,13 @@ struct cxd { struct dvb_ca_en50221 en; struct i2c_adapter *i2c; - u8 adr; + struct cxd2099_cfg cfg; + u8 regs[0x23]; u8 lastaddress; u8 clk_reg_f; u8 clk_reg_b; int mode; - u32 bitrate; int ready; int dr; int slot_stat; @@ -64,7 +64,7 @@ static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 data) { u8 m[2] = {reg, data}; - struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, .len = 2}; + struct i2c_msg msg = {.addr=adr, .flags=0, .buf=m, .len=2}; if (i2c_transfer(adapter, &msg, 1) != 1) { printk(KERN_ERR "Failed to write to I2C register %02x@%02x!\n", @@ -77,7 +77,7 @@ static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr, static int i2c_write(struct i2c_adapter *adapter, u8 adr, u8 *data, u8 len) { - struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len}; + struct i2c_msg msg = {.addr=adr, .flags=0, .buf=data, .len=len}; if (i2c_transfer(adapter, &msg, 1) != 1) { printk(KERN_ERR "Failed to write to I2C!\n"); @@ -90,9 +90,9 @@ static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val) { struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, - .buf = ®, .len = 1 }, + .buf = ®, .len = 1}, {.addr = adr, .flags = I2C_M_RD, - .buf = val, .len = 1 } }; + .buf = val, .len = 1}}; if (i2c_transfer(adapter, msgs, 2) != 2) { printk(KERN_ERR "error in i2c_read_reg\n"); @@ -105,9 +105,9 @@ static int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *data, u8 n) { struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, - .buf = ®, .len = 1 }, - {.addr = adr, .flags = I2C_M_RD, - .buf = data, .len = n } }; + .buf = ®, .len = 1}, + {.addr = adr, .flags = I2C_M_RD, + .buf = data, .len = n}}; if (i2c_transfer(adapter, msgs, 2) != 2) { printk(KERN_ERR "error in i2c_read\n"); @@ -120,10 +120,10 @@ static int read_block(struct cxd *ci, u8 adr, u8 *data, u8 n) { int status; - status = i2c_write_reg(ci->i2c, ci->adr, 0, adr); + status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr); if (!status) { ci->lastaddress = adr; - status = i2c_read(ci->i2c, ci->adr, 1, data, n); + status = i2c_read(ci->i2c, ci->cfg.adr, 1, data, n); } return status; } @@ -137,24 +137,24 @@ static int read_reg(struct cxd *ci, u8 reg, u8 *val) static int read_pccard(struct cxd *ci, u16 address, u8 *data, u8 n) { int status; - u8 addr[3] = { 2, address&0xff, address>>8 }; + u8 addr[3] = {2, address & 0xff, address >> 8}; - status = i2c_write(ci->i2c, ci->adr, addr, 3); + status=i2c_write(ci->i2c, ci->cfg.adr, addr, 3); if (!status) - status = i2c_read(ci->i2c, ci->adr, 3, data, n); + status = i2c_read(ci->i2c, ci->cfg.adr, 3, data, n); return status; } static int write_pccard(struct cxd *ci, u16 address, u8 *data, u8 n) { int status; - u8 addr[3] = { 2, address&0xff, address>>8 }; + u8 addr[3] = {2, address & 0xff, address >> 8}; - status = i2c_write(ci->i2c, ci->adr, addr, 3); + status=i2c_write(ci->i2c, ci->cfg.adr, addr, 3); if (!status) { u8 buf[256] = {3}; memcpy(buf+1, data, n); - status = i2c_write(ci->i2c, ci->adr, buf, n+1); + status = i2c_write(ci->i2c, ci->cfg.adr, buf, n+1); } return status; } @@ -162,39 +162,64 @@ static int write_pccard(struct cxd *ci, u16 address, u8 *data, u8 n) static int read_io(struct cxd *ci, u16 address, u8 *val) { int status; - u8 addr[3] = { 2, address&0xff, address>>8 }; + u8 addr[3] = {2, address & 0xff, address >> 8}; - status = i2c_write(ci->i2c, ci->adr, addr, 3); + status = i2c_write(ci->i2c, ci->cfg.adr, addr, 3); if (!status) - status = i2c_read(ci->i2c, ci->adr, 3, val, 1); + status = i2c_read(ci->i2c, ci->cfg.adr, 3, val, 1); return status; } static int write_io(struct cxd *ci, u16 address, u8 val) { int status; - u8 addr[3] = { 2, address&0xff, address>>8 }; - u8 buf[2] = { 3, val }; + u8 addr[3] = {2, address & 0xff, address >> 8}; + u8 buf[2] = {3, val}; - status = i2c_write(ci->i2c, ci->adr, addr, 3); + status = i2c_write(ci->i2c, ci->cfg.adr, addr, 3); if (!status) - status = i2c_write(ci->i2c, ci->adr, buf, 2); - + status = i2c_write(ci->i2c, ci->cfg.adr, buf, 2); return status; } +#if 0 +static int read_io_data(struct cxd *ci, u8 *data, u8 n) +{ + int status; + u8 addr[3] = { 2, 0, 0 }; + + status = i2c_write(ci->i2c, ci->cfg.adr, addr, 3); + if (!status) + status = i2c_read(ci->i2c, ci->cfg.adr, 3, data, n); + return 0; +} + +static int write_io_data(struct cxd *ci, u8 *data, u8 n) +{ + int status; + u8 addr[3] = {2, 0, 0}; + + status = i2c_write(ci->i2c, ci->cfg.adr, addr, 3); + if (!status) { + u8 buf[256] = {3}; + memcpy(buf+1, data, n); + status = i2c_write(ci->i2c, ci->cfg.adr, buf, n + 1); + } + return 0; +} +#endif static int write_regm(struct cxd *ci, u8 reg, u8 val, u8 mask) { int status; - status = i2c_write_reg(ci->i2c, ci->adr, 0, reg); - if (!status && reg >= 6 && reg <= 8 && mask != 0xff) - status = i2c_read_reg(ci->i2c, ci->adr, 1, &ci->regs[reg]); - ci->regs[reg] = (ci->regs[reg]&(~mask))|val; + status=i2c_write_reg(ci->i2c, ci->cfg.adr, 0, reg); + if (!status && reg >= 6 && reg <=8 && mask != 0xff) + status = i2c_read_reg(ci->i2c, ci->cfg.adr, 1, &ci->regs[reg]); + ci->regs[reg] = (ci->regs[reg] & (~mask)) | val; if (!status) { ci->lastaddress = reg; - status = i2c_write_reg(ci->i2c, ci->adr, 1, ci->regs[reg]); + status = i2c_write_reg(ci->i2c, ci->cfg.adr, 1, ci->regs[reg]); } if (reg == 0x20) ci->regs[reg] &= 0x7f; @@ -212,11 +237,11 @@ static int write_block(struct cxd *ci, u8 adr, u8 *data, int n) int status; u8 buf[256] = {1}; - status = i2c_write_reg(ci->i2c, ci->adr, 0, adr); + status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr); if (!status) { ci->lastaddress = adr; - memcpy(buf+1, data, n); - status = i2c_write(ci->i2c, ci->adr, buf, n+1); + memcpy(buf + 1, data, n); + status = i2c_write(ci->i2c, ci->cfg.adr, buf, n + 1); } return status; } @@ -250,12 +275,16 @@ static void cam_mode(struct cxd *ci, int mode) write_regm(ci, 0x20, 0x80, 0x80); break; case 0x01: +#ifdef BUFFER_MODE + if (!ci->en.read_data) + return; printk(KERN_INFO "enable cam buffer mode\n"); /* write_reg(ci, 0x0d, 0x00); */ /* write_reg(ci, 0x0e, 0x01); */ write_regm(ci, 0x08, 0x40, 0x40); /* read_reg(ci, 0x12, &dummy); */ write_regm(ci, 0x08, 0x80, 0x80); +#endif break; default: break; @@ -265,14 +294,14 @@ static void cam_mode(struct cxd *ci, int mode) -#define CHK_ERROR(s) if ((status = s)) break +#define CHK_ERROR(s) if( (status = s) ) break static int init(struct cxd *ci) { int status; mutex_lock(&ci->lock); - ci->mode = -1; + ci->mode=-1; do { CHK_ERROR(write_reg(ci, 0x00, 0x00)); CHK_ERROR(write_reg(ci, 0x01, 0x00)); @@ -284,53 +313,84 @@ static int init(struct cxd *ci) CHK_ERROR(write_reg(ci, 0x08, 0x28)); CHK_ERROR(write_reg(ci, 0x14, 0x20)); - CHK_ERROR(write_reg(ci, 0x09, 0x4D)); /* Input Mode C, BYPass Serial, TIVAL = low, MSB */ + /* CHK_ERROR(write_reg(ci, 0x09, 0x4D));*/ /* Input Mode C, BYPass Serial, TIVAL = low, MSB */ CHK_ERROR(write_reg(ci, 0x0A, 0xA7)); /* TOSTRT = 8, Mode B (gated clock), falling Edge, Serial, POL=HIGH, MSB */ - /* Sync detector */ CHK_ERROR(write_reg(ci, 0x0B, 0x33)); CHK_ERROR(write_reg(ci, 0x0C, 0x33)); CHK_ERROR(write_regm(ci, 0x14, 0x00, 0x0F)); CHK_ERROR(write_reg(ci, 0x15, ci->clk_reg_b)); CHK_ERROR(write_regm(ci, 0x16, 0x00, 0x0F)); - CHK_ERROR(write_reg(ci, 0x17, ci->clk_reg_f)); + CHK_ERROR(write_reg(ci, 0x17,ci->clk_reg_f)); - CHK_ERROR(write_reg(ci, 0x20, 0x28)); /* Integer Divider, Falling Edge, Internal Sync, */ - CHK_ERROR(write_reg(ci, 0x21, 0x00)); /* MCLKI = TICLK/8 */ - CHK_ERROR(write_reg(ci, 0x22, 0x07)); /* MCLKI = TICLK/8 */ + if (ci->cfg.clock_mode) { + if (ci->cfg.polarity) { + CHK_ERROR(write_reg(ci, 0x09, 0x6f)); + } else { + CHK_ERROR(write_reg(ci, 0x09, 0x6d)); + } + CHK_ERROR(write_reg(ci, 0x20, 0x68)); + CHK_ERROR(write_reg(ci, 0x21, 0x00)); + CHK_ERROR(write_reg(ci, 0x22, 0x02)); + } else { + if (ci->cfg.polarity) { + CHK_ERROR(write_reg(ci, 0x09, 0x4f)); + } else { + CHK_ERROR(write_reg(ci, 0x09, 0x4d)); + } + CHK_ERROR(write_reg(ci, 0x20, 0x28)); + CHK_ERROR(write_reg(ci, 0x21, 0x00)); + CHK_ERROR(write_reg(ci, 0x22, 0x07)); + } - CHK_ERROR(write_regm(ci, 0x20, 0x80, 0x80)); /* Reset CAM state machine */ + CHK_ERROR(write_regm(ci, 0x20, 0x80, 0x80)); + CHK_ERROR(write_regm(ci, 0x03, 0x02, 0x02)); + CHK_ERROR(write_reg(ci, 0x01, 0x04)); + CHK_ERROR(write_reg(ci, 0x00, 0x31)); - CHK_ERROR(write_regm(ci, 0x03, 0x02, 02)); /* Enable IREQA Interrupt */ - CHK_ERROR(write_reg(ci, 0x01, 0x04)); /* Enable CD Interrupt */ - CHK_ERROR(write_reg(ci, 0x00, 0x31)); /* Enable TS1,Hot Swap,Slot A */ - CHK_ERROR(write_regm(ci, 0x09, 0x08, 0x08)); /* Put TS in bypass */ - ci->cammode = -1; -#ifdef BUFFER_MODE + /* Put TS in bypass */ + CHK_ERROR(write_regm(ci, 0x09, 0x08, 0x08)); + ci->cammode=-1; cam_mode(ci, 0); -#endif - } while (0); + } while(0); mutex_unlock(&ci->lock); return 0; } - static int read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address) { struct cxd *ci = ca->data; +#if 0 + if (ci->amem_read) { + if (address <=0 || address>1024) + return -EIO; + return ci->amem[address]; + } + + mutex_lock(&ci->lock); + write_regm(ci, 0x06, 0x00, 0x05); + read_pccard(ci, 0, &ci->amem[0], 128); + read_pccard(ci, 128, &ci->amem[0], 128); + read_pccard(ci, 256, &ci->amem[0], 128); + read_pccard(ci, 384, &ci->amem[0], 128); + write_regm(ci, 0x06, 0x05, 0x05); + mutex_unlock(&ci->lock); + return ci->amem[address]; +#else u8 val; mutex_lock(&ci->lock); set_mode(ci, 1); read_pccard(ci, address, &val, 1); mutex_unlock(&ci->lock); + //printk("%02x:%02x\n", address,val); return val; +#endif } - static int write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value) { @@ -373,20 +433,41 @@ static int slot_reset(struct dvb_ca_en50221 *ca, int slot) struct cxd *ci = ca->data; mutex_lock(&ci->lock); +#if 0 + write_reg(ci, 0x00, 0x21); + write_reg(ci, 0x06, 0x1F); + write_reg(ci, 0x00, 0x31); +#else +#if 0 + write_reg(ci, 0x06, 0x1F); + write_reg(ci, 0x06, 0x2F); +#else cam_mode(ci, 0); write_reg(ci, 0x00, 0x21); write_reg(ci, 0x06, 0x1F); write_reg(ci, 0x00, 0x31); write_regm(ci, 0x20, 0x80, 0x80); write_reg(ci, 0x03, 0x02); - ci->ready = 0; - ci->mode = -1; + ci->ready=0; +#endif +#endif + ci->mode=-1; { int i; - for (i = 0; i < 100; i++) { +#if 0 + u8 val; +#endif + for (i=0; i<100;i++) { msleep(10); +#if 0 + read_reg(ci, 0x06,&val); + printk(KERN_INFO "%d:%02x\n", i, val); + if (!(val&0x10)) + break; +#else if (ci->ready) break; +#endif } } mutex_unlock(&ci->lock); @@ -400,12 +481,12 @@ static int slot_shutdown(struct dvb_ca_en50221 *ca, int slot) printk(KERN_INFO "slot_shutdown\n"); mutex_lock(&ci->lock); - /* write_regm(ci, 0x09, 0x08, 0x08); */ - write_regm(ci, 0x20, 0x80, 0x80); - write_regm(ci, 0x06, 0x07, 0x07); + write_regm(ci, 0x09, 0x08, 0x08); + write_regm(ci, 0x20, 0x80, 0x80); /* Reset CAM Mode */ + write_regm(ci, 0x06, 0x07, 0x07); /* Clear IO Mode */ ci->mode = -1; mutex_unlock(&ci->lock); - return 0; /* shutdown(ci); */ + return 0; } static int slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) @@ -433,7 +514,7 @@ static int campoll(struct cxd *ci) write_reg(ci, 0x05, istat); if (istat&0x40) { - ci->dr = 1; + ci->dr=1; printk(KERN_INFO "DR\n"); } if (istat&0x20) @@ -445,22 +526,21 @@ static int campoll(struct cxd *ci) read_reg(ci, 0x01, &slotstat); if (!(2&slotstat)) { if (!ci->slot_stat) { - ci->slot_stat |= DVB_CA_EN50221_POLL_CAM_PRESENT; + ci->slot_stat|=DVB_CA_EN50221_POLL_CAM_PRESENT; write_regm(ci, 0x03, 0x08, 0x08); } } else { if (ci->slot_stat) { - ci->slot_stat = 0; + ci->slot_stat=0; write_regm(ci, 0x03, 0x00, 0x08); printk(KERN_INFO "NO CAM\n"); - ci->ready = 0; + ci->ready=0; } } - if (istat&8 && ci->slot_stat == DVB_CA_EN50221_POLL_CAM_PRESENT) { - ci->ready = 1; - ci->slot_stat |= DVB_CA_EN50221_POLL_CAM_READY; - printk(KERN_INFO "READY\n"); + if (istat&8 && ci->slot_stat==DVB_CA_EN50221_POLL_CAM_PRESENT) { + ci->ready=1; + ci->slot_stat|=DVB_CA_EN50221_POLL_CAM_READY; } } return 0; @@ -481,7 +561,7 @@ static int poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) } #ifdef BUFFER_MODE -static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount) +static int read_data(struct dvb_ca_en50221* ca, int slot, u8 *ebuf, int ecount) { struct cxd *ci = ca->data; u8 msb, lsb; @@ -498,20 +578,20 @@ static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount) mutex_lock(&ci->lock); read_reg(ci, 0x0f, &msb); read_reg(ci, 0x10, &lsb); - len = (msb<<8)|lsb; + len=(msb<<8)|lsb; read_block(ci, 0x12, ebuf, len); - ci->dr = 0; + ci->dr=0; mutex_unlock(&ci->lock); return len; } -static int write_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount) +static int write_data(struct dvb_ca_en50221* ca, int slot, u8 * ebuf, int ecount) { struct cxd *ci = ca->data; mutex_lock(&ci->lock); - printk(KERN_INFO "write_data %d\n", ecount); + printk("write_data %d\n", ecount); write_reg(ci, 0x0d, ecount>>8); write_reg(ci, 0x0e, ecount&0xff); write_block(ci, 0x11, ebuf, ecount); @@ -536,15 +616,15 @@ static struct dvb_ca_en50221 en_templ = { }; -struct dvb_ca_en50221 *cxd2099_attach(u8 adr, void *priv, +struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg, + void *priv, struct i2c_adapter *i2c) { struct cxd *ci = 0; - u32 bitrate = 62000000; u8 val; - if (i2c_read_reg(i2c, adr, 0, &val) < 0) { - printk(KERN_ERR "No CXD2099 detected at %02x\n", adr); + if (i2c_read_reg(i2c, cfg->adr, 0, &val)<0) { + printk("No CXD2099 detected at %02x\n", cfg->adr); return 0; } @@ -554,21 +634,21 @@ struct dvb_ca_en50221 *cxd2099_attach(u8 adr, void *priv, memset(ci, 0, sizeof(*ci)); mutex_init(&ci->lock); + memcpy(&ci->cfg, cfg, sizeof(struct cxd2099_cfg)); ci->i2c = i2c; - ci->adr = adr; - ci->lastaddress = 0xff; - ci->clk_reg_b = 0x4a; - ci->clk_reg_f = 0x1b; - ci->bitrate = bitrate; + ci->lastaddress=0xff; + ci->clk_reg_b=0x4a; + ci->clk_reg_f=0x1b; memcpy(&ci->en, &en_templ, sizeof(en_templ)); - ci->en.data = ci; + ci->en.data=ci; init(ci); - printk(KERN_INFO "Attached CXD2099AR at %02x\n", ci->adr); + printk(KERN_INFO "Attached CXD2099AR at %02x\n", ci->cfg.adr); return &ci->en; } + EXPORT_SYMBOL(cxd2099_attach); MODULE_DESCRIPTION("cxd2099"); -MODULE_AUTHOR("Ralph Metzler "); +MODULE_AUTHOR("Ralph Metzler"); MODULE_LICENSE("GPL"); diff --git a/drivers/staging/cxd2099/cxd2099.h b/drivers/staging/cxd2099/cxd2099.h index bed54ff3e30b..cf26c93de096 100644 --- a/drivers/staging/cxd2099/cxd2099.h +++ b/drivers/staging/cxd2099/cxd2099.h @@ -1,7 +1,7 @@ /* * cxd2099.h: Driver for the CXD2099AR Common Interface Controller * - * Copyright (C) 2010 DigitalDevices UG + * Copyright (C) 2010-2011 Digital Devices GmbH * * * This program is free software; you can redistribute it and/or @@ -27,11 +27,21 @@ #include +struct cxd2099_cfg { + u32 bitrate; + u8 adr; + u8 polarity : 1; + u8 clock_mode : 1; +}; + #if defined(CONFIG_DVB_CXD2099) || \ (defined(CONFIG_DVB_CXD2099_MODULE) && defined(MODULE)) -struct dvb_ca_en50221 *cxd2099_attach(u8 adr, void *priv, struct i2c_adapter *i2c); +struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg, + void *priv, struct i2c_adapter *i2c); #else -static inline struct dvb_ca_en50221 *cxd2099_attach(u8 adr, void *priv, struct i2c_adapter *i2c) + +static inline struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg, + void *priv, struct i2c_adapter *i2c); { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; -- 2.30.2