On Mon, 26 Apr 2010 20:58:24 +0800
Bee Hock Goh <beehock@xxxxxxxxx> wrote:
> thanks. This is work fine on my tm5600.
Good news.
> btw, can you use the git tree? There is some codes update from Stefan
> there for the tm6000-i2c that is still not sync with hg.
no problemm. Give me access and URL.
With my best regards, Dmitry.
> On Mon, Apr 26, 2010 at 8:25 AM, Dmitri Belimov <d.belimov@xxxxxxxxx>
> wrote:
> > Hi
> >
> > Rework last I2C patch.
> > Set correct limit for I2C packet.
> > Use different method for the tm5600/tm6000 and tm6010 to read word.
> >
> > Try this patch.
> >
> > diff -r 7c0b887911cf linux/drivers/staging/tm6000/tm6000-i2c.c
> > --- a/linux/drivers/staging/tm6000/tm6000-i2c.c Mon Apr 05 22:56:43
> > 2010 -0400 +++ b/linux/drivers/staging/tm6000/tm6000-i2c.c Mon Apr
> > 26 04:15:56 2010 +1000 @@ -24,6 +24,7 @@
> > #include <linux/kernel.h>
> > #include <linux/usb.h>
> > #include <linux/i2c.h>
> > +#include <linux/delay.h>
> >
> > #include "compat.h"
> > #include "tm6000.h"
> > @@ -45,11 +46,49 @@
> > printk(KERN_DEBUG "%s at %s: " fmt, \
> > dev->name, __FUNCTION__ , ##args); } while
> > (0)
> >
> > +static void tm6000_i2c_reset(struct tm6000_core *dev)
> > +{
> > + tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
> > TM6000_GPIO_CLK, 0);
> > + msleep(15);
> > + tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
> > TM6000_GPIO_CLK, 1);
> > + msleep(15);
> > +}
> > +
> > static int tm6000_i2c_send_regs(struct tm6000_core *dev, unsigned
> > char addr, __u8 reg, char *buf, int len)
> > {
> > - return tm6000_read_write_usb(dev, USB_DIR_OUT |
> > USB_TYPE_VENDOR | USB_RECIP_DEVICE,
> > - REQ_16_SET_GET_I2C_WR1_RDN, addr | reg << 8, 0,
> > buf, len);
> > + int rc;
> > + unsigned int tsleep;
> > + unsigned int i2c_packet_limit = 16;
> > +
> > + if (dev->dev_type == TM6010)
> > + i2c_packet_limit = 64;
> > +
> > + if (!buf)
> > + return -1;
> > +
> > + if (len < 1 || len > i2c_packet_limit){
> > + printk("Incorrect lenght of i2c packet = %d, limit
> > set to %d\n",
> > + len, i2c_packet_limit);
> > + return -1;
> > + }
> > +
> > + /* capture mutex */
> > + rc = tm6000_read_write_usb(dev, USB_DIR_OUT |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_16_SET_GET_I2C_WR1_RDN,
> > + addr | reg << 8, 0, buf, len);
> > +
> > + if (rc < 0) {
> > + /* release mutex */
> > + return rc;
> > + }
> > +
> > + /* Calculate delay time, 14000us for 64 bytes */
> > + tsleep = ((len * 200) + 200 + 1000) / 1000;
> > + msleep(tsleep);
> > +
> > + /* release mutex */
> > + return rc;
> > }
> >
> > /* Generic read - doesn't work fine with 16bit registers */
> > @@ -58,23 +97,41 @@
> > {
> > int rc;
> > u8 b[2];
> > + unsigned int i2c_packet_limit = 16;
> >
> > - if ((dev->caps.has_zl10353) && (dev->demod_addr << 1 ==
> > addr) && (reg % 2 == 0)) {
> > + if (dev->dev_type == TM6010)
> > + i2c_packet_limit = 64;
> > +
> > + if (!buf)
> > + return -1;
> > +
> > + if (len < 1 || len > i2c_packet_limit){
> > + printk("Incorrect lenght of i2c packet = %d, limit
> > set to %d\n",
> > + len, i2c_packet_limit);
> > + return -1;
> > + }
> > +
> > + /* capture mutex */
> > + if ((dev->caps.has_zl10353) && (dev->demod_addr << 1 ==
> > addr)
> > + && (reg % 2 == 0)) {
> > /*
> > * Workaround an I2C bug when reading from zl10353
> > */
> > reg -= 1;
> > len += 1;
> >
> > - rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR | USB_RECIP_DEVICE,
> > - REQ_16_SET_GET_I2C_WR1_RDN, addr | reg <<
> > 8, 0, b, len);
> > + rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_16_SET_GET_I2C_WR1_RDN,
> > + addr | reg << 8, 0, b, len);
> >
> > *buf = b[1];
> > } else {
> > - rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR | USB_RECIP_DEVICE,
> > - REQ_16_SET_GET_I2C_WR1_RDN, addr | reg <<
> > 8, 0, buf, len);
> > + rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_16_SET_GET_I2C_WR1_RDN,
> > + addr | reg << 8, 0, buf, len);
> > }
> >
> > + /* release mutex */
> > return rc;
> > }
> >
> > @@ -85,8 +142,137 @@
> > static int tm6000_i2c_recv_regs16(struct tm6000_core *dev,
> > unsigned char addr, __u16 reg, char *buf, int len)
> > {
> > - return tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR | USB_RECIP_DEVICE,
> > - REQ_14_SET_GET_I2C_WR2_RDN, addr, reg, buf, len);
> > + int rc;
> > + unsigned char ureg;
> > +
> > + if (!buf || len != 2)
> > + return -1;
> > +
> > + /* capture mutex */
> > + if (dev->dev_type == TM6010){
> > + ureg = reg & 0xFF;
> > + rc = tm6000_read_write_usb(dev, USB_DIR_OUT |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE,
> > REQ_16_SET_GET_I2C_WR1_RDN,
> > + addr | (reg & 0xFF00), 0, &ureg, 1);
> > +
> > + if (rc < 0) {
> > + /* release mutex */
> > + return rc;
> > + }
> > +
> > + msleep(1400 / 1000);
> > + rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_35_AFTEK_TUNER_READ,
> > + reg, 0, buf, len);
> > + }
> > + else {
> > + rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE,
> > REQ_14_SET_GET_I2C_WR2_RDN,
> > + addr, reg, buf, len);
> > + }
> > +
> > + /* release mutex */
> > + return rc;
> > +}
> > +
> > +static int tm6000_i2c_read_sequence(struct tm6000_core *dev,
> > unsigned char addr,
> > + __u16 reg, char *buf, int len)
> > +{
> > + int rc;
> > +
> > + if (dev->dev_type != TM6010)
> > + return -1;
> > +
> > + if (!buf)
> > + return -1;
> > +
> > + if (len < 1 || len > 64){
> > + printk("Incorrect lenght of i2c packet = %d, limit
> > set to 64\n",
> > + len);
> > + return -1;
> > + }
> > +
> > + /* capture mutex */
> > + rc = tm6000_read_write_usb(dev, USB_DIR_IN |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_35_AFTEK_TUNER_READ,
> > + reg, 0, buf, len);
> > + /* release mutex */
> > + return rc;
> > +}
> > +
> > +static int tm6000_i2c_write_sequence(struct tm6000_core *dev,
> > + unsigned char addr, __u16 reg, char
> > *buf,
> > + int len)
> > +{
> > + int rc;
> > + unsigned int tsleep;
> > + unsigned int i2c_packet_limit = 16;
> > +
> > + if (dev->dev_type == TM6010)
> > + i2c_packet_limit = 64;
> > +
> > + if (!buf)
> > + return -1;
> > +
> > + if (len < 1 || len > i2c_packet_limit){
> > + printk("Incorrect lenght of i2c packet = %d, limit
> > set to %d\n",
> > + len, i2c_packet_limit);
> > + return -1;
> > + }
> > +
> > + /* capture mutex */
> > + rc = tm6000_read_write_usb(dev, USB_DIR_OUT |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_16_SET_GET_I2C_WR1_RDN,
> > + addr | reg << 8, 0, buf+1, len-1);
> > +
> > + if (rc < 0) {
> > + /* release mutex */
> > + return rc;
> > + }
> > +
> > + /* Calculate delay time, 13800us for 64 bytes */
> > + tsleep = ((len * 200) + 1000) / 1000;
> > + msleep(tsleep);
> > +
> > + /* release mutex */
> > + return rc;
> > +}
> > +
> > +static int tm6000_i2c_write_uni(struct tm6000_core *dev, unsigned
> > char addr,
> > + __u16 reg, char *buf, int len)
> > +{
> > + int rc;
> > + unsigned int tsleep;
> > + unsigned int i2c_packet_limit = 16;
> > +
> > + if (dev->dev_type == TM6010)
> > + i2c_packet_limit = 64;
> > +
> > + if (!buf)
> > + return -1;
> > +
> > + if (len < 1 || len > i2c_packet_limit){
> > + printk("Incorrect lenght of i2c packet = %d, limit
> > set to %d\n",
> > + len, i2c_packet_limit);
> > + return -1;
> > + }
> > +
> > + /* capture mutex */
> > + rc = tm6000_read_write_usb(dev, USB_DIR_OUT |
> > USB_TYPE_VENDOR |
> > + USB_RECIP_DEVICE, REQ_30_I2C_WRITE,
> > + addr | reg << 8, 0, buf+1, len-1);
> > +
> > + if (rc < 0) {
> > + /* release mutex */
> > + return rc;
> > + }
> > +
> > + /* Calculate delay time, 14800us for 64 bytes */
> > + tsleep = ((len * 200) + 1000 + 1000) / 1000;
> > + msleep(tsleep);
> > +
> > + /* release mutex */
> > + return rc;
> > }
> >
> > static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
> >
> >
> > With my best regards, Dmitry.
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