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Commit 91b94366 authored by Uwe Bugla's avatar Uwe Bugla Committed by Mauro Carvalho Chehab
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V4L/DVB (11288): Code cleanup (passes checkpatch now) of the b2c2-flexcop-drivers 2/2 

This is the second part of the code cleanup changing the usb and pci-driver cores.
Signed-off-by: default avatarUwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: default avatarPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 1589a993
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Showing with 281 additions and 251 deletions
drivers/media/dvb/b2c2/flexcop-pci.c
View file @ 91b94366
/* /*
* This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III * Linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
* * flexcop-pci.c - covers the PCI part including DMA transfers
* flexcop-pci.c - covers the PCI part including DMA transfers. * see flexcop.c for copyright information
*
* see flexcop.c for copyright information.
*/ */
#define FC_LOG_PREFIX "flexcop-pci" #define FC_LOG_PREFIX "flexcop-pci"
...@@ -11,7 +9,8 @@ ...@@ -11,7 +9,8 @@
static int enable_pid_filtering = 1; static int enable_pid_filtering = 1;
module_param(enable_pid_filtering, int, 0444); module_param(enable_pid_filtering, int, 0444);
MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1"); MODULE_PARM_DESC(enable_pid_filtering,
"enable hardware pid filtering: supported values: 0 (fullts), 1");
static int irq_chk_intv = 100; static int irq_chk_intv = 100;
module_param(irq_chk_intv, int, 0644); module_param(irq_chk_intv, int, 0644);
...@@ -26,17 +25,17 @@ MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ streaming watchdog."); ...@@ -26,17 +25,17 @@ MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ streaming watchdog.");
#define DEBSTATUS " (debugging is not enabled)" #define DEBSTATUS " (debugging is not enabled)"
#endif #endif
#define deb_info(args...) dprintk(0x01,args) #define deb_info(args...) dprintk(0x01, args)
#define deb_reg(args...) dprintk(0x02,args) #define deb_reg(args...) dprintk(0x02, args)
#define deb_ts(args...) dprintk(0x04,args) #define deb_ts(args...) dprintk(0x04, args)
#define deb_irq(args...) dprintk(0x08,args) #define deb_irq(args...) dprintk(0x08, args)
#define deb_chk(args...) dprintk(0x10,args) #define deb_chk(args...) dprintk(0x10, args)
static int debug; static int debug;
module_param(debug, int, 0644); module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, MODULE_PARM_DESC(debug,
"set debug level (1=info,2=regs,4=TS,8=irqdma,16=check (|-able))." "set debug level (1=info,2=regs,4=TS,8=irqdma,16=check (|-able))."
DEBSTATUS); DEBSTATUS);
#define DRIVER_VERSION "0.1" #define DRIVER_VERSION "0.1"
#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver" #define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver"
...@@ -51,30 +50,30 @@ struct flexcop_pci { ...@@ -51,30 +50,30 @@ struct flexcop_pci {
void __iomem *io_mem; void __iomem *io_mem;
u32 irq; u32 irq;
/* buffersize (at least for DMA1, need to be % 188 == 0, /* buffersize (at least for DMA1, need to be % 188 == 0,
* this logic is required */ * this logic is required */
#define FC_DEFAULT_DMA1_BUFSIZE (1280 * 188) #define FC_DEFAULT_DMA1_BUFSIZE (1280 * 188)
#define FC_DEFAULT_DMA2_BUFSIZE (10 * 188) #define FC_DEFAULT_DMA2_BUFSIZE (10 * 188)
struct flexcop_dma dma[2]; struct flexcop_dma dma[2];
int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */ int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */ u32 last_dma1_cur_pos;
/* position of the pointer last time the timer/packet irq occured */
int count; int count;
int count_prev; int count_prev;
int stream_problem; int stream_problem;
spinlock_t irq_lock; spinlock_t irq_lock;
unsigned long last_irq; unsigned long last_irq;
struct delayed_work irq_check_work; struct delayed_work irq_check_work;
struct flexcop_device *fc_dev; struct flexcop_device *fc_dev;
}; };
static int lastwreg,lastwval,lastrreg,lastrval; static int lastwreg, lastwval, lastrreg, lastrval;
static flexcop_ibi_value flexcop_pci_read_ibi_reg (struct flexcop_device *fc, flexcop_ibi_register r) static flexcop_ibi_value flexcop_pci_read_ibi_reg(struct flexcop_device *fc,
flexcop_ibi_register r)
{ {
struct flexcop_pci *fc_pci = fc->bus_specific; struct flexcop_pci *fc_pci = fc->bus_specific;
flexcop_ibi_value v; flexcop_ibi_value v;
...@@ -82,19 +81,20 @@ static flexcop_ibi_value flexcop_pci_read_ibi_reg (struct flexcop_device *fc, fl ...@@ -82,19 +81,20 @@ static flexcop_ibi_value flexcop_pci_read_ibi_reg (struct flexcop_device *fc, fl
if (lastrreg != r || lastrval != v.raw) { if (lastrreg != r || lastrval != v.raw) {
lastrreg = r; lastrval = v.raw; lastrreg = r; lastrval = v.raw;
deb_reg("new rd: %3x: %08x\n",r,v.raw); deb_reg("new rd: %3x: %08x\n", r, v.raw);
} }
return v; return v;
} }
static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register r, flexcop_ibi_value v) static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc,
flexcop_ibi_register r, flexcop_ibi_value v)
{ {
struct flexcop_pci *fc_pci = fc->bus_specific; struct flexcop_pci *fc_pci = fc->bus_specific;
if (lastwreg != r || lastwval != v.raw) { if (lastwreg != r || lastwval != v.raw) {
lastwreg = r; lastwval = v.raw; lastwreg = r; lastwval = v.raw;
deb_reg("new wr: %3x: %08x\n",r,v.raw); deb_reg("new wr: %3x: %08x\n", r, v.raw);
} }
writel(v.raw, fc_pci->io_mem + r); writel(v.raw, fc_pci->io_mem + r);
...@@ -117,12 +117,12 @@ static void flexcop_pci_irq_check_work(struct work_struct *work) ...@@ -117,12 +117,12 @@ static void flexcop_pci_irq_check_work(struct work_struct *work)
spin_lock_irq(&fc->demux.lock); spin_lock_irq(&fc->demux.lock);
list_for_each_entry(feed, &fc->demux.feed_list, list_for_each_entry(feed, &fc->demux.feed_list,
list_head) { list_head) {
flexcop_pid_feed_control(fc, feed, 0); flexcop_pid_feed_control(fc, feed, 0);
} }
list_for_each_entry(feed, &fc->demux.feed_list, list_for_each_entry(feed, &fc->demux.feed_list,
list_head) { list_head) {
flexcop_pid_feed_control(fc, feed, 1); flexcop_pid_feed_control(fc, feed, 1);
} }
spin_unlock_irq(&fc->demux.lock); spin_unlock_irq(&fc->demux.lock);
...@@ -150,11 +150,10 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id) ...@@ -150,11 +150,10 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
flexcop_ibi_value v; flexcop_ibi_value v;
irqreturn_t ret = IRQ_HANDLED; irqreturn_t ret = IRQ_HANDLED;
spin_lock_irqsave(&fc_pci->irq_lock,flags); spin_lock_irqsave(&fc_pci->irq_lock, flags);
v = fc->read_ibi_reg(fc, irq_20c);
v = fc->read_ibi_reg(fc,irq_20c);
/* errors */ /* errors */
if (v.irq_20c.Data_receiver_error) if (v.irq_20c.Data_receiver_error)
deb_chk("data receiver error\n"); deb_chk("data receiver error\n");
if (v.irq_20c.Continuity_error_flag) if (v.irq_20c.Continuity_error_flag)
...@@ -165,24 +164,29 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id) ...@@ -165,24 +164,29 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
deb_chk("Transport error\n"); deb_chk("Transport error\n");
if ((fc_pci->count % 1000) == 0) if ((fc_pci->count % 1000) == 0)
deb_chk("%d valid irq took place so far\n",fc_pci->count); deb_chk("%d valid irq took place so far\n", fc_pci->count);
if (v.irq_20c.DMA1_IRQ_Status == 1) { if (v.irq_20c.DMA1_IRQ_Status == 1) {
if (fc_pci->active_dma1_addr == 0) if (fc_pci->active_dma1_addr == 0)
flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188); flexcop_pass_dmx_packets(fc_pci->fc_dev,
fc_pci->dma[0].cpu_addr0,
fc_pci->dma[0].size / 188);
else else
flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr1,fc_pci->dma[0].size / 188); flexcop_pass_dmx_packets(fc_pci->fc_dev,
fc_pci->dma[0].cpu_addr1,
fc_pci->dma[0].size / 188);
deb_irq("page change to page: %d\n",!fc_pci->active_dma1_addr); deb_irq("page change to page: %d\n",!fc_pci->active_dma1_addr);
fc_pci->active_dma1_addr = !fc_pci->active_dma1_addr; fc_pci->active_dma1_addr = !fc_pci->active_dma1_addr;
} else if (v.irq_20c.DMA1_Timer_Status == 1) {
/* for the timer IRQ we only can use buffer dmx feeding, because we don't have /* for the timer IRQ we only can use buffer dmx feeding, because we don't have
* complete TS packets when reading from the DMA memory */ * complete TS packets when reading from the DMA memory */
} else if (v.irq_20c.DMA1_Timer_Status == 1) {
dma_addr_t cur_addr = dma_addr_t cur_addr =
fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2; fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0; u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, last_cur_pos: %08x ", deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, "
"last_cur_pos: %08x ",
jiffies_to_usecs(jiffies - fc_pci->last_irq), jiffies_to_usecs(jiffies - fc_pci->last_irq),
v.raw, (unsigned long long)cur_addr, cur_pos, v.raw, (unsigned long long)cur_addr, cur_pos,
fc_pci->last_dma1_cur_pos); fc_pci->last_dma1_cur_pos);
...@@ -192,30 +196,36 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id) ...@@ -192,30 +196,36 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
* pass the data from last_cur_pos to the buffer end to the demux * pass the data from last_cur_pos to the buffer end to the demux
*/ */
if (cur_pos < fc_pci->last_dma1_cur_pos) { if (cur_pos < fc_pci->last_dma1_cur_pos) {
deb_irq(" end was reached: passing %d bytes ",(fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos); deb_irq(" end was reached: passing %d bytes ",
(fc_pci->dma[0].size*2 - 1) -
fc_pci->last_dma1_cur_pos);
flexcop_pass_dmx_data(fc_pci->fc_dev, flexcop_pass_dmx_data(fc_pci->fc_dev,
fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos, fc_pci->dma[0].cpu_addr0 +
(fc_pci->dma[0].size*2) - fc_pci->last_dma1_cur_pos); fc_pci->last_dma1_cur_pos,
(fc_pci->dma[0].size*2) -
fc_pci->last_dma1_cur_pos);
fc_pci->last_dma1_cur_pos = 0; fc_pci->last_dma1_cur_pos = 0;
} }
if (cur_pos > fc_pci->last_dma1_cur_pos) { if (cur_pos > fc_pci->last_dma1_cur_pos) {
deb_irq(" passing %d bytes ",cur_pos - fc_pci->last_dma1_cur_pos); deb_irq(" passing %d bytes ",
cur_pos - fc_pci->last_dma1_cur_pos);
flexcop_pass_dmx_data(fc_pci->fc_dev, flexcop_pass_dmx_data(fc_pci->fc_dev,
fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos, fc_pci->dma[0].cpu_addr0 +
cur_pos - fc_pci->last_dma1_cur_pos); fc_pci->last_dma1_cur_pos,
cur_pos - fc_pci->last_dma1_cur_pos);
} }
deb_irq("\n"); deb_irq("\n");
fc_pci->last_dma1_cur_pos = cur_pos; fc_pci->last_dma1_cur_pos = cur_pos;
fc_pci->count++; fc_pci->count++;
} else { } else {
deb_irq("isr for flexcop called, apparently without reason (%08x)\n",v.raw); deb_irq("isr for flexcop called, "
"apparently without reason (%08x)\n", v.raw);
ret = IRQ_NONE; ret = IRQ_NONE;
} }
spin_unlock_irqrestore(&fc_pci->irq_lock,flags); spin_unlock_irqrestore(&fc_pci->irq_lock, flags);
return ret; return ret;
} }
...@@ -223,52 +233,48 @@ static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff) ...@@ -223,52 +233,48 @@ static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff)
{ {
struct flexcop_pci *fc_pci = fc->bus_specific; struct flexcop_pci *fc_pci = fc->bus_specific;
if (onoff) { if (onoff) {
flexcop_dma_config(fc,&fc_pci->dma[0],FC_DMA_1); flexcop_dma_config(fc, &fc_pci->dma[0], FC_DMA_1);
flexcop_dma_config(fc,&fc_pci->dma[1],FC_DMA_2); flexcop_dma_config(fc, &fc_pci->dma[1], FC_DMA_2);
flexcop_dma_config_timer(fc, FC_DMA_1, 0);
flexcop_dma_config_timer(fc,FC_DMA_1,0); flexcop_dma_xfer_control(fc, FC_DMA_1,
FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1, 1);
flexcop_dma_xfer_control(fc,FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1,1);
deb_irq("DMA xfer enabled\n"); deb_irq("DMA xfer enabled\n");
fc_pci->last_dma1_cur_pos = 0; fc_pci->last_dma1_cur_pos = 0;
flexcop_dma_control_timer_irq(fc,FC_DMA_1,1); flexcop_dma_control_timer_irq(fc, FC_DMA_1, 1);
deb_irq("IRQ enabled\n"); deb_irq("IRQ enabled\n");
fc_pci->count_prev = fc_pci->count; fc_pci->count_prev = fc_pci->count;
// fc_pci->active_dma1_addr = 0;
// flexcop_dma_control_size_irq(fc,FC_DMA_1,1);
} else { } else {
flexcop_dma_control_timer_irq(fc,FC_DMA_1,0); flexcop_dma_control_timer_irq(fc, FC_DMA_1, 0);
deb_irq("IRQ disabled\n"); deb_irq("IRQ disabled\n");
// flexcop_dma_control_size_irq(fc,FC_DMA_1,0); flexcop_dma_xfer_control(fc, FC_DMA_1,
FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1, 0);
flexcop_dma_xfer_control(fc,FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1,0);
deb_irq("DMA xfer disabled\n"); deb_irq("DMA xfer disabled\n");
} }
return 0; return 0;
} }
static int flexcop_pci_dma_init(struct flexcop_pci *fc_pci) static int flexcop_pci_dma_init(struct flexcop_pci *fc_pci)
{ {
int ret; int ret;
if ((ret = flexcop_dma_allocate(fc_pci->pdev,&fc_pci->dma[0],FC_DEFAULT_DMA1_BUFSIZE)) != 0) ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[0],
FC_DEFAULT_DMA1_BUFSIZE);
if (ret != 0)
return ret; return ret;
if ((ret = flexcop_dma_allocate(fc_pci->pdev,&fc_pci->dma[1],FC_DEFAULT_DMA2_BUFSIZE)) != 0) { ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[1],
FC_DEFAULT_DMA2_BUFSIZE);
if (ret != 0) {
flexcop_dma_free(&fc_pci->dma[0]); flexcop_dma_free(&fc_pci->dma[0]);
return ret; return ret;
} }
flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET, FC_SRAM_DEST_TARGET_DMA1); flexcop_sram_set_dest(fc_pci->fc_dev, FC_SRAM_DEST_MEDIA |
flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_DMA2); FC_SRAM_DEST_NET, FC_SRAM_DEST_TARGET_DMA1);
flexcop_sram_set_dest(fc_pci->fc_dev, FC_SRAM_DEST_CAO |
FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_DMA2);
fc_pci->init_state |= FC_PCI_DMA_INIT; fc_pci->init_state |= FC_PCI_DMA_INIT;
return ret; return ret;
} }
...@@ -291,12 +297,8 @@ static int flexcop_pci_init(struct flexcop_pci *fc_pci) ...@@ -291,12 +297,8 @@ static int flexcop_pci_init(struct flexcop_pci *fc_pci)
if ((ret = pci_enable_device(fc_pci->pdev)) != 0) if ((ret = pci_enable_device(fc_pci->pdev)) != 0)
return ret; return ret;
pci_set_master(fc_pci->pdev); pci_set_master(fc_pci->pdev);
/* enable interrupts */
// pci_write_config_dword(pdev, 0x6c, 0x8000);
if ((ret = pci_request_regions(fc_pci->pdev, DRIVER_NAME)) != 0) if ((ret = pci_request_regions(fc_pci->pdev, DRIVER_NAME)) != 0)
goto err_pci_disable_device; goto err_pci_disable_device;
...@@ -339,8 +341,8 @@ static void flexcop_pci_exit(struct flexcop_pci *fc_pci) ...@@ -339,8 +341,8 @@ static void flexcop_pci_exit(struct flexcop_pci *fc_pci)
fc_pci->init_state &= ~FC_PCI_INIT; fc_pci->init_state &= ~FC_PCI_INIT;
} }
static int flexcop_pci_probe(struct pci_dev *pdev,
static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) const struct pci_device_id *ent)
{ {
struct flexcop_device *fc; struct flexcop_device *fc;
struct flexcop_pci *fc_pci; struct flexcop_pci *fc_pci;
...@@ -351,7 +353,7 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e ...@@ -351,7 +353,7 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
return -ENOMEM; return -ENOMEM;
} }
/* general flexcop init */ /* general flexcop init */
fc_pci = fc->bus_specific; fc_pci = fc->bus_specific;
fc_pci->fc_dev = fc; fc_pci->fc_dev = fc;
...@@ -359,7 +361,6 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e ...@@ -359,7 +361,6 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
fc->write_ibi_reg = flexcop_pci_write_ibi_reg; fc->write_ibi_reg = flexcop_pci_write_ibi_reg;
fc->i2c_request = flexcop_i2c_request; fc->i2c_request = flexcop_i2c_request;
fc->get_mac_addr = flexcop_eeprom_check_mac_addr; fc->get_mac_addr = flexcop_eeprom_check_mac_addr;
fc->stream_control = flexcop_pci_stream_control; fc->stream_control = flexcop_pci_stream_control;
if (enable_pid_filtering) if (enable_pid_filtering)
...@@ -369,29 +370,29 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e ...@@ -369,29 +370,29 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
fc->pid_filtering = enable_pid_filtering; fc->pid_filtering = enable_pid_filtering;
fc->bus_type = FC_PCI; fc->bus_type = FC_PCI;
fc->dev = &pdev->dev; fc->dev = &pdev->dev;
fc->owner = THIS_MODULE; fc->owner = THIS_MODULE;
/* bus specific part */ /* bus specific part */
fc_pci->pdev = pdev; fc_pci->pdev = pdev;
if ((ret = flexcop_pci_init(fc_pci)) != 0) if ((ret = flexcop_pci_init(fc_pci)) != 0)
goto err_kfree; goto err_kfree;
/* init flexcop */ /* init flexcop */
if ((ret = flexcop_device_initialize(fc)) != 0) if ((ret = flexcop_device_initialize(fc)) != 0)
goto err_pci_exit; goto err_pci_exit;
/* init dma */ /* init dma */
if ((ret = flexcop_pci_dma_init(fc_pci)) != 0) if ((ret = flexcop_pci_dma_init(fc_pci)) != 0)
goto err_fc_exit; goto err_fc_exit;
INIT_DELAYED_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work); INIT_DELAYED_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work);
if (irq_chk_intv > 0) if (irq_chk_intv > 0)
schedule_delayed_work(&fc_pci->irq_check_work, schedule_delayed_work(&fc_pci->irq_check_work,
msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv)); msecs_to_jiffies(irq_chk_intv < 100 ?
100 :
irq_chk_intv));
return ret; return ret;
err_fc_exit: err_fc_exit:
...@@ -421,7 +422,6 @@ static void flexcop_pci_remove(struct pci_dev *pdev) ...@@ -421,7 +422,6 @@ static void flexcop_pci_remove(struct pci_dev *pdev)
static struct pci_device_id flexcop_pci_tbl[] = { static struct pci_device_id flexcop_pci_tbl[] = {
{ PCI_DEVICE(0x13d0, 0x2103) }, { PCI_DEVICE(0x13d0, 0x2103) },
/* { PCI_DEVICE(0x13d0, 0x2200) }, ? */
{ }, { },
}; };
......
drivers/media/dvb/b2c2/flexcop-usb.c
View file @ 91b94366
/* /*
* This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
* * flexcop-usb.c - covers the USB part
* flexcop-usb.c - covers the USB part. * see flexcop.c for copyright information
*
* see flexcop.c for copyright information.
*/ */
#define FC_LOG_PREFIX "flexcop_usb" #define FC_LOG_PREFIX "flexcop_usb"
#include "flexcop-usb.h" #include "flexcop-usb.h"
#include "flexcop-common.h" #include "flexcop-common.h"
...@@ -18,42 +15,47 @@ ...@@ -18,42 +15,47 @@
/* debug */ /* debug */
#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG #ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
#define dprintk(level,args...) \ #define dprintk(level,args...) \
do { if ((debug & level)) { printk(args); } } while (0) do { if ((debug & level)) printk(args); } while (0)
#define debug_dump(b,l,method) {\
#define debug_dump(b, l, method) do {\
int i; \ int i; \
for (i = 0; i < l; i++) method("%02x ", b[i]); \ for (i = 0; i < l; i++) \
method("\n");\ method("%02x ", b[i]); \
} method("\n"); \
} while (0)
#define DEBSTATUS "" #define DEBSTATUS ""
#else #else
#define dprintk(level,args...) #define dprintk(level, args...)
#define debug_dump(b,l,method) #define debug_dump(b, l, method)
#define DEBSTATUS " (debugging is not enabled)" #define DEBSTATUS " (debugging is not enabled)"
#endif #endif
static int debug; static int debug;
module_param(debug, int, 0644); module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS); MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,"
"ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS);
#undef DEBSTATUS #undef DEBSTATUS
#define deb_info(args...) dprintk(0x01,args) #define deb_info(args...) dprintk(0x01, args)
#define deb_ts(args...) dprintk(0x02,args) #define deb_ts(args...) dprintk(0x02, args)
#define deb_ctrl(args...) dprintk(0x04,args) #define deb_ctrl(args...) dprintk(0x04, args)
#define deb_i2c(args...) dprintk(0x08,args) #define deb_i2c(args...) dprintk(0x08, args)
#define deb_v8(args...) dprintk(0x10,args) #define deb_v8(args...) dprintk(0x10, args)
/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits /* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits
* in the IBI address, to make the V8 code simpler. * in the IBI address, to make the V8 code simpler.
* PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (these are the six bits used) * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (the six bits used)
* in general: 0000 0HHH 000L LL00 * in general: 0000 0HHH 000L LL00
* IBI ADDRESS FORMAT: RHHH BLLL * IBI ADDRESS FORMAT: RHHH BLLL
* *
* where R is the read(1)/write(0) bit, B is the busy bit * where R is the read(1)/write(0) bit, B is the busy bit
* and HHH and LLL are the two sets of three bits from the PCI address. * and HHH and LLL are the two sets of three bits from the PCI address.
*/ */
#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70)) #define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) \
#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4)) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70))
#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) \
(((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4))
/* /*
* DKT 020228 * DKT 020228
...@@ -69,12 +71,13 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, ...@@ -69,12 +71,13 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI,
struct flexcop_usb *fc_usb = fc->bus_specific; struct flexcop_usb *fc_usb = fc->bus_specific;
u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG; u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG;
u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR;
u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0); u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) |
(read ? 0x80 : 0);
int len = usb_control_msg(fc_usb->udev, int len = usb_control_msg(fc_usb->udev,
read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT,
request, request,
request_type, /* 0xc0 read or 0x40 write*/ request_type, /* 0xc0 read or 0x40 write */
wAddress, wAddress,
0, 0,
val, val,
...@@ -82,55 +85,49 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, ...@@ -82,55 +85,49 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI,
B2C2_WAIT_FOR_OPERATION_RDW * HZ); B2C2_WAIT_FOR_OPERATION_RDW * HZ);
if (len != sizeof(u32)) { if (len != sizeof(u32)) {
err("error while %s dword from %d (%d).",read ? "reading" : "writing", err("error while %s dword from %d (%d).", read ? "reading" :
wAddress,wRegOffsPCI); "writing", wAddress, wRegOffsPCI);
return -EIO; return -EIO;
} }
return 0; return 0;
} }
/* /*
* DKT 010817 - add support for V8 memory read/write and flash update * DKT 010817 - add support for V8 memory read/write and flash update
*/ */
static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
flexcop_usb_request_t req, u8 page, u16 wAddress, flexcop_usb_request_t req, u8 page, u16 wAddress,
u8 *pbBuffer,u32 buflen) u8 *pbBuffer, u32 buflen)
{ {
// u8 dwRequestType;
u8 request_type = USB_TYPE_VENDOR; u8 request_type = USB_TYPE_VENDOR;
u16 wIndex; u16 wIndex;
int nWaitTime,pipe,len; int nWaitTime, pipe, len;
wIndex = page << 8; wIndex = page << 8;
switch (req) { switch (req) {
case B2C2_USB_READ_V8_MEM: case B2C2_USB_READ_V8_MEM:
nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ;
request_type |= USB_DIR_IN; request_type |= USB_DIR_IN;
// dwRequestType = (u8) RTYPE_READ_V8_MEMORY; pipe = B2C2_USB_CTRL_PIPE_IN;
pipe = B2C2_USB_CTRL_PIPE_IN;
break; break;
case B2C2_USB_WRITE_V8_MEM: case B2C2_USB_WRITE_V8_MEM:
wIndex |= pbBuffer[0]; wIndex |= pbBuffer[0];
request_type |= USB_DIR_OUT; request_type |= USB_DIR_OUT;
nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE; nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE;
// dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY; pipe = B2C2_USB_CTRL_PIPE_OUT;
pipe = B2C2_USB_CTRL_PIPE_OUT;
break; break;
case B2C2_USB_FLASH_BLOCK: case B2C2_USB_FLASH_BLOCK:
request_type |= USB_DIR_OUT; request_type |= USB_DIR_OUT;
nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH; nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
// dwRequestType = (u8) RTYPE_WRITE_V8_FLASH; pipe = B2C2_USB_CTRL_PIPE_OUT;
pipe = B2C2_USB_CTRL_PIPE_OUT;
break; break;
default: default:
deb_info("unsupported request for v8_mem_req %x.\n",req); deb_info("unsupported request for v8_mem_req %x.\n", req);
return -EINVAL; return -EINVAL;
} }
deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n",request_type,req, deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n", request_type, req,
wAddress,wIndex,buflen); wAddress, wIndex, buflen);
len = usb_control_msg(fc_usb->udev,pipe, len = usb_control_msg(fc_usb->udev, pipe,
req, req,
request_type, request_type,
wAddress, wAddress,
...@@ -139,39 +136,53 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, ...@@ -139,39 +136,53 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
buflen, buflen,
nWaitTime * HZ); nWaitTime * HZ);
debug_dump(pbBuffer,len,deb_v8); debug_dump(pbBuffer, len, deb_v8);
return len == buflen ? 0 : -EIO; return len == buflen ? 0 : -EIO;
} }
#define bytes_left_to_read_on_page(paddr,buflen) \ #define bytes_left_to_read_on_page(paddr,buflen) \
((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \
? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)))
static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request_t req, static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,
flexcop_usb_mem_page_t page_start, u32 addr, int extended, u8 *buf, u32 len) flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start,
u32 addr, int extended, u8 *buf, u32 len)
{ {
int i,ret = 0; int i,ret = 0;
u16 wMax; u16 wMax;
u32 pagechunk = 0; u32 pagechunk = 0;
switch(req) { switch(req) {
case B2C2_USB_READ_V8_MEM: wMax = USB_MEM_READ_MAX; break; case B2C2_USB_READ_V8_MEM:
case B2C2_USB_WRITE_V8_MEM: wMax = USB_MEM_WRITE_MAX; break; wMax = USB_MEM_READ_MAX;
case B2C2_USB_FLASH_BLOCK: wMax = USB_FLASH_MAX; break; break;
default: case B2C2_USB_WRITE_V8_MEM:
return -EINVAL; wMax = USB_MEM_WRITE_MAX;
break;
case B2C2_USB_FLASH_BLOCK:
wMax = USB_FLASH_MAX;
break;
default:
return -EINVAL;
break; break;
} }
for (i = 0; i < len;) { for (i = 0; i < len;) {
pagechunk = wMax < bytes_left_to_read_on_page(addr,len) ? wMax : bytes_left_to_read_on_page(addr,len); pagechunk =
deb_info("%x\n",(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended)); wMax < bytes_left_to_read_on_page(addr, len) ?
if ((ret = flexcop_usb_v8_memory_req(fc_usb,req, wMax :
page_start + (addr / V8_MEMORY_PAGE_SIZE), /* actual page */ bytes_left_to_read_on_page(addr, len);
(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended), deb_info("%x\n",
&buf[i],pagechunk)) < 0) (addr & V8_MEMORY_PAGE_MASK) |
(V8_MEMORY_EXTENDED*extended));
ret = flexcop_usb_v8_memory_req(fc_usb, req,
page_start + (addr / V8_MEMORY_PAGE_SIZE),
(addr & V8_MEMORY_PAGE_MASK) |
(V8_MEMORY_EXTENDED*extended),
&buf[i], pagechunk);
if (ret < 0)
return ret; return ret;
addr += pagechunk; addr += pagechunk;
len -= pagechunk; len -= pagechunk;
} }
...@@ -180,8 +191,9 @@ static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request ...@@ -180,8 +191,9 @@ static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request
static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended)
{ {
return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM, return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM,
V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6); V8_MEMORY_PAGE_FLASH, 0x1f010, 1,
fc->dvb_adapter.proposed_mac, 6);
} }
#if 0 #if 0
...@@ -191,11 +203,8 @@ static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set, ...@@ -191,11 +203,8 @@ static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set,
{ {
u16 wValue; u16 wValue;
u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR; u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR;
// u8 dwRequestType = (u8) RTYPE_GENERIC,
int nWaitTime = 2, int nWaitTime = 2,
pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, len;
len;
wValue = (func << 8) | extra; wValue = (func << 8) | extra;
len = usb_control_msg(fc_usb->udev,pipe, len = usb_control_msg(fc_usb->udev,pipe,
...@@ -218,36 +227,35 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, ...@@ -218,36 +227,35 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
struct flexcop_usb *fc_usb = i2c->fc->bus_specific; struct flexcop_usb *fc_usb = i2c->fc->bus_specific;
u16 wValue, wIndex; u16 wValue, wIndex;
int nWaitTime,pipe,len; int nWaitTime,pipe,len;
// u8 dwRequestType;
u8 request_type = USB_TYPE_VENDOR; u8 request_type = USB_TYPE_VENDOR;
switch (func) { switch (func) {
case USB_FUNC_I2C_WRITE: case USB_FUNC_I2C_WRITE:
case USB_FUNC_I2C_MULTIWRITE: case USB_FUNC_I2C_MULTIWRITE:
case USB_FUNC_I2C_REPEATWRITE: case USB_FUNC_I2C_REPEATWRITE:
/* DKT 020208 - add this to support special case of DiSEqC */ /* DKT 020208 - add this to support special case of DiSEqC */
case USB_FUNC_I2C_CHECKWRITE: case USB_FUNC_I2C_CHECKWRITE:
pipe = B2C2_USB_CTRL_PIPE_OUT; pipe = B2C2_USB_CTRL_PIPE_OUT;
nWaitTime = 2; nWaitTime = 2;
// dwRequestType = (u8) RTYPE_GENERIC; request_type |= USB_DIR_OUT;
request_type |= USB_DIR_OUT;
break; break;
case USB_FUNC_I2C_READ: case USB_FUNC_I2C_READ:
case USB_FUNC_I2C_REPEATREAD: case USB_FUNC_I2C_REPEATREAD:
pipe = B2C2_USB_CTRL_PIPE_IN; pipe = B2C2_USB_CTRL_PIPE_IN;
nWaitTime = 2; nWaitTime = 2;
// dwRequestType = (u8) RTYPE_GENERIC; request_type |= USB_DIR_IN;
request_type |= USB_DIR_IN;
break; break;
default: default:
deb_info("unsupported function for i2c_req %x\n",func); deb_info("unsupported function for i2c_req %x\n", func);
return -EINVAL; return -EINVAL;
} }
wValue = (func << 8) | (i2c->port << 4); wValue = (func << 8) | (i2c->port << 4);
wIndex = (chipaddr << 8 ) | addr; wIndex = (chipaddr << 8 ) | addr;
deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",func,request_type,req, deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",
wValue & 0xff, wValue >> 8, wIndex & 0xff, wIndex >> 8); func, request_type, req,
wValue & 0xff, wValue >> 8,
wIndex & 0xff, wIndex >> 8);
len = usb_control_msg(fc_usb->udev,pipe, len = usb_control_msg(fc_usb->udev,pipe,
req, req,
...@@ -257,44 +265,49 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, ...@@ -257,44 +265,49 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
buf, buf,
buflen, buflen,
nWaitTime * HZ); nWaitTime * HZ);
return len == buflen ? 0 : -EREMOTEIO; return len == buflen ? 0 : -EREMOTEIO;
} }
/* actual bus specific access functions, make sure prototype are/will be equal to pci */ /* actual bus specific access functions,
static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg) make sure prototype are/will be equal to pci */
static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc,
flexcop_ibi_register reg)
{ {
flexcop_ibi_value val; flexcop_ibi_value val;
val.raw = 0; val.raw = 0;
flexcop_usb_readwrite_dw(fc,reg, &val.raw, 1); flexcop_usb_readwrite_dw(fc, reg, &val.raw, 1);
return val; return val;
} }
static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg, flexcop_ibi_value val) static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc,
flexcop_ibi_register reg, flexcop_ibi_value val)
{ {
return flexcop_usb_readwrite_dw(fc,reg, &val.raw, 0); return flexcop_usb_readwrite_dw(fc, reg, &val.raw, 0);
} }
static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c, static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c,
flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len) flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len)
{ {
if (op == FC_READ) if (op == FC_READ)
return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST,
USB_FUNC_I2C_READ, chipaddr, addr, buf, len); USB_FUNC_I2C_READ, chipaddr, addr, buf, len);
else else
return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST,
USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len); USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len);
} }
static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, int buffer_length) static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb,
u8 *buffer, int buffer_length)
{ {
u8 *b; u8 *b;
int l; int l;
deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", fc_usb->tmp_buffer_length, buffer_length); deb_ts("tmp_buffer_length=%d, buffer_length=%d\n",
fc_usb->tmp_buffer_length, buffer_length);
if (fc_usb->tmp_buffer_length > 0) { if (fc_usb->tmp_buffer_length > 0) {
memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, buffer_length); memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer,
buffer_length);
fc_usb->tmp_buffer_length += buffer_length; fc_usb->tmp_buffer_length += buffer_length;
b = fc_usb->tmp_buffer; b = fc_usb->tmp_buffer;
l = fc_usb->tmp_buffer_length; l = fc_usb->tmp_buffer_length;
...@@ -304,23 +317,26 @@ static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, in ...@@ -304,23 +317,26 @@ static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, in
} }
while (l >= 190) { while (l >= 190) {
if (*b == 0xff) if (*b == 0xff) {
switch (*(b+1) & 0x03) { switch (*(b+1) & 0x03) {
case 0x01: /* media packet */ case 0x01: /* media packet */
if ( *(b+2) == 0x47 ) if (*(b+2) == 0x47)
flexcop_pass_dmx_packets(fc_usb->fc_dev, b+2, 1); flexcop_pass_dmx_packets(
else fc_usb->fc_dev, b+2, 1);
deb_ts("not ts packet %02x %02x %02x %02x \n", *(b+2), *(b+3), *(b+4), *(b+5) ); else
deb_ts(
b += 190; "not ts packet %02x %02x %02x %02x \n",
l -= 190; *(b+2), *(b+3),
*(b+4), *(b+5));
b += 190;
l -= 190;
break; break;
default: default:
deb_ts("wrong packet type\n"); deb_ts("wrong packet type\n");
l = 0; l = 0;
break; break;
} }
else { } else {
deb_ts("wrong header\n"); deb_ts("wrong header\n");
l = 0; l = 0;
} }
...@@ -337,23 +353,26 @@ static void flexcop_usb_urb_complete(struct urb *urb) ...@@ -337,23 +353,26 @@ static void flexcop_usb_urb_complete(struct urb *urb)
int i; int i;
if (urb->actual_length > 0) if (urb->actual_length > 0)
deb_ts("urb completed, bufsize: %d actlen; %d\n",urb->transfer_buffer_length, urb->actual_length); deb_ts("urb completed, bufsize: %d actlen; %d\n",
urb->transfer_buffer_length, urb->actual_length);
for (i = 0; i < urb->number_of_packets; i++) { for (i = 0; i < urb->number_of_packets; i++) {
if (urb->iso_frame_desc[i].status < 0) { if (urb->iso_frame_desc[i].status < 0) {
err("iso frame descriptor %d has an error: %d\n",i,urb->iso_frame_desc[i].status); err("iso frame descriptor %d has an error: %d\n", i,
urb->iso_frame_desc[i].status);
} else } else
if (urb->iso_frame_desc[i].actual_length > 0) { if (urb->iso_frame_desc[i].actual_length > 0) {
deb_ts("passed %d bytes to the demux\n",urb->iso_frame_desc[i].actual_length); deb_ts("passed %d bytes to the demux\n",
urb->iso_frame_desc[i].actual_length);
flexcop_usb_process_frame(fc_usb, flexcop_usb_process_frame(fc_usb,
urb->transfer_buffer + urb->iso_frame_desc[i].offset, urb->transfer_buffer +
urb->iso_frame_desc[i].offset,
urb->iso_frame_desc[i].actual_length); urb->iso_frame_desc[i].actual_length);
} }
urb->iso_frame_desc[i].status = 0; urb->iso_frame_desc[i].status = 0;
urb->iso_frame_desc[i].actual_length = 0; urb->iso_frame_desc[i].actual_length = 0;
} }
usb_submit_urb(urb,GFP_ATOMIC); usb_submit_urb(urb,GFP_ATOMIC);
} }
...@@ -374,35 +393,47 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) ...@@ -374,35 +393,47 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb)
} }
if (fc_usb->iso_buffer != NULL) if (fc_usb->iso_buffer != NULL)
pci_free_consistent(NULL,fc_usb->buffer_size, fc_usb->iso_buffer, fc_usb->dma_addr); pci_free_consistent(NULL,
fc_usb->buffer_size, fc_usb->iso_buffer,
fc_usb->dma_addr);
} }
static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
{ {
u16 frame_size = le16_to_cpu(fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); u16 frame_size = le16_to_cpu(
int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret; fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize);
int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO *
frame_size, i, j, ret;
int buffer_offset = 0; int buffer_offset = 0;
deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", deb_ts("creating %d iso-urbs with %d frames "
B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize); "each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB,
B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize);
fc_usb->iso_buffer = pci_alloc_consistent(NULL,bufsize,&fc_usb->dma_addr); fc_usb->iso_buffer = pci_alloc_consistent(NULL,
bufsize, &fc_usb->dma_addr);
if (fc_usb->iso_buffer == NULL) if (fc_usb->iso_buffer == NULL)
return -ENOMEM; return -ENOMEM;
memset(fc_usb->iso_buffer, 0, bufsize); memset(fc_usb->iso_buffer, 0, bufsize);
fc_usb->buffer_size = bufsize; fc_usb->buffer_size = bufsize;
/* creating iso urbs */ /* creating iso urbs */
for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
if (!(fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) { fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,
GFP_ATOMIC);
if (fc_usb->iso_urb[i] == NULL) {
ret = -ENOMEM; ret = -ENOMEM;
goto urb_error; goto urb_error;
} }
}
/* initialising and submitting iso urbs */ /* initialising and submitting iso urbs */
for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
int frame_offset = 0; int frame_offset = 0;
struct urb *urb = fc_usb->iso_urb[i]; struct urb *urb = fc_usb->iso_urb[i];
deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset); deb_ts("initializing and submitting urb no. %d "
"(buf_offset: %d).\n", i, buffer_offset);
urb->dev = fc_usb->udev; urb->dev = fc_usb->udev;
urb->context = fc_usb; urb->context = fc_usb;
...@@ -416,26 +447,26 @@ static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) ...@@ -416,26 +447,26 @@ static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO;
for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) {
deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset); deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",
i, j, frame_offset);
urb->iso_frame_desc[j].offset = frame_offset; urb->iso_frame_desc[j].offset = frame_offset;
urb->iso_frame_desc[j].length = frame_size; urb->iso_frame_desc[j].length = frame_size;
frame_offset += frame_size; frame_offset += frame_size;
} }
if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) { if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) {
err("submitting urb %d failed with %d.",i,ret); err("submitting urb %d failed with %d.", i, ret);
goto urb_error; goto urb_error;
} }
deb_ts("submitted urb no. %d.\n",i); deb_ts("submitted urb no. %d.\n",i);
} }
/* SRAM */ /* SRAM */
flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA |
flexcop_sram_set_dest(fc_usb->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET | FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI,
FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_WAN_USB); FC_SRAM_DEST_TARGET_WAN_USB);
flexcop_wan_set_speed(fc_usb->fc_dev,FC_WAN_SPEED_8MBITS); flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS);
flexcop_sram_ctrl(fc_usb->fc_dev,1,1,1); flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1);
return 0; return 0;
urb_error: urb_error:
...@@ -448,20 +479,20 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb) ...@@ -448,20 +479,20 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
/* use the alternate setting with the larges buffer */ /* use the alternate setting with the larges buffer */
usb_set_interface(fc_usb->udev,0,1); usb_set_interface(fc_usb->udev,0,1);
switch (fc_usb->udev->speed) { switch (fc_usb->udev->speed) {
case USB_SPEED_LOW: case USB_SPEED_LOW:
err("cannot handle USB speed because it is to sLOW."); err("cannot handle USB speed because it is too slow.");
return -ENODEV; return -ENODEV;
break; break;
case USB_SPEED_FULL: case USB_SPEED_FULL:
info("running at FULL speed."); info("running at FULL speed.");
break; break;
case USB_SPEED_HIGH: case USB_SPEED_HIGH:
info("running at HIGH speed."); info("running at HIGH speed.");
break; break;
case USB_SPEED_UNKNOWN: /* fall through */ case USB_SPEED_UNKNOWN: /* fall through */
default: default:
err("cannot handle USB speed because it is unkown."); err("cannot handle USB speed because it is unknown.");
return -ENODEV; return -ENODEV;
} }
usb_set_intfdata(fc_usb->uintf, fc_usb); usb_set_intfdata(fc_usb->uintf, fc_usb);
return 0; return 0;
...@@ -485,7 +516,7 @@ static int flexcop_usb_probe(struct usb_interface *intf, ...@@ -485,7 +516,7 @@ static int flexcop_usb_probe(struct usb_interface *intf,
return -ENOMEM; return -ENOMEM;
} }
/* general flexcop init */ /* general flexcop init */
fc_usb = fc->bus_specific; fc_usb = fc->bus_specific;
fc_usb->fc_dev = fc; fc_usb->fc_dev = fc;
...@@ -502,21 +533,21 @@ static int flexcop_usb_probe(struct usb_interface *intf, ...@@ -502,21 +533,21 @@ static int flexcop_usb_probe(struct usb_interface *intf,
fc->dev = &udev->dev; fc->dev = &udev->dev;
fc->owner = THIS_MODULE; fc->owner = THIS_MODULE;
/* bus specific part */ /* bus specific part */
fc_usb->udev = udev; fc_usb->udev = udev;
fc_usb->uintf = intf; fc_usb->uintf = intf;
if ((ret = flexcop_usb_init(fc_usb)) != 0) if ((ret = flexcop_usb_init(fc_usb)) != 0)
goto err_kfree; goto err_kfree;
/* init flexcop */ /* init flexcop */
if ((ret = flexcop_device_initialize(fc)) != 0) if ((ret = flexcop_device_initialize(fc)) != 0)
goto err_usb_exit; goto err_usb_exit;
/* xfer init */ /* xfer init */
if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0)
goto err_fc_exit; goto err_fc_exit;
info("%s successfully initialized and connected.",DRIVER_NAME); info("%s successfully initialized and connected.", DRIVER_NAME);
return 0; return 0;
err_fc_exit: err_fc_exit:
...@@ -535,12 +566,12 @@ static void flexcop_usb_disconnect(struct usb_interface *intf) ...@@ -535,12 +566,12 @@ static void flexcop_usb_disconnect(struct usb_interface *intf)
flexcop_device_exit(fc_usb->fc_dev); flexcop_device_exit(fc_usb->fc_dev);
flexcop_usb_exit(fc_usb); flexcop_usb_exit(fc_usb);
flexcop_device_kfree(fc_usb->fc_dev); flexcop_device_kfree(fc_usb->fc_dev);
info("%s successfully deinitialized and disconnected.",DRIVER_NAME); info("%s successfully deinitialized and disconnected.", DRIVER_NAME);
} }
static struct usb_device_id flexcop_usb_table [] = { static struct usb_device_id flexcop_usb_table [] = {
{ USB_DEVICE(0x0af7, 0x0101) }, { USB_DEVICE(0x0af7, 0x0101) },
{ } { }
}; };
MODULE_DEVICE_TABLE (usb, flexcop_usb_table); MODULE_DEVICE_TABLE (usb, flexcop_usb_table);
...@@ -557,10 +588,9 @@ static int __init flexcop_usb_module_init(void) ...@@ -557,10 +588,9 @@ static int __init flexcop_usb_module_init(void)
{ {
int result; int result;
if ((result = usb_register(&flexcop_usb_driver))) { if ((result = usb_register(&flexcop_usb_driver))) {
err("usb_register failed. (%d)",result); err("usb_register failed. (%d)", result);
return result; return result;
} }
return 0; return 0;
} }
......
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