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Return to previous check_for_i2c_devices() behaviour.
Cast the cmd parameter to unsigned char in every smbus call. Submitted by: Roger Hardiman <roger@cs.strath.ac.uk>
This commit is contained in:
Nicolas Souchu
parent
08f9fcbfa8
commit
dec0ec9e81
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=40991
@ -1,4 +1,4 @@
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/* $Id: brooktree848.c,v 1.56 1998/10/01 09:35:48 sos Exp $ */
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/* $Id: brooktree848.c,v 1.57 1998/10/31 11:26:38 nsouch Exp $ */
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/* BT848 Driver for Brooktree's Bt848 based cards.
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The Brooktree BT848 Driver driver is based upon Mark Tinguely and
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Jim Lowe's driver for the Matrox Meteor PCI card . The
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@ -4421,16 +4421,6 @@ readEEProm( bktr_ptr_t bktr, int offset, int count, u_char *data )
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}
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#define ABSENT (-1)
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static int
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probeDevice(bktr_ptr_t bktr, u_char addr)
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{
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int read;
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read = i2cRead( bktr, addr);
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if (read == ABSENT || read == 0)
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return (0);
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return (1);
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}
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/*
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* get a signature of the card
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@ -4448,8 +4438,9 @@ signCard( bktr_ptr_t bktr, int offset, int count, u_char* sig )
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sig[ x ] = 0;
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for ( x = 0; x < count; ++x ) {
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if (probeDevice(bktr, (u_char)(2 * x + 1)))
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if ( i2cRead( bktr, (2 * x) + 1 ) != ABSENT ) {
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sig[ x / 8 ] |= (1 << (x % 8) );
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}
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}
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return( 0 );
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@ -4468,12 +4459,17 @@ signCard( bktr_ptr_t bktr, int offset, int count, u_char* sig )
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* (eg VideoLogic Captivator PCI rev. 2F with BT848A)
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*/
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static int check_for_i2c_devices( bktr_ptr_t bktr ){
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int x;
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int x, temp_read;
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int i2c_all_0 = 1;
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int i2c_all_absent = 1;
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for ( x = 0; x < 128; ++x ) {
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if (probeDevice(bktr, (u_char)(2 * x + 1)))
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return (1);
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temp_read = i2cRead( bktr, (2 * x) + 1 );
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if (temp_read != 0) i2c_all_0 = 0;
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if (temp_read != ABSENT) i2c_all_absent = 0;
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}
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return (0);
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if ((i2c_all_0) || (i2c_all_absent)) return 0;
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else return 1;
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}
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/*
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@ -4508,9 +4504,6 @@ probeCard( bktr_ptr_t bktr, int verbose )
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int tuner_i2c_address = -1;
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any_i2c_devices = check_for_i2c_devices( bktr );
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if (bootverbose)
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if (!any_i2c_devices)
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printf("bktr: no I2C device found!\n");
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bt848 = bktr->base;
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bt848->gpio_out_en = 0;
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@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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* $Id: bt848_i2c.c,v 1.1 1998/10/31 11:26:38 nsouch Exp $
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*
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*/
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@ -345,7 +345,7 @@ bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte)
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struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
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u_long data;
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data = ((slave & 0xff) << 24) | ((byte & 0xff) << 16) | cmd;
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data = ((slave & 0xff) << 24) | ((byte & 0xff) << 16) | (u_char)cmd;
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return (bti2c_write(sc->base, data));
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}
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@ -365,7 +365,7 @@ bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word)
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high = (char)((word & 0xff00) >> 8);
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data = ((slave & 0xff) << 24) | ((low & 0xff) << 16) |
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((high & 0xff) << 8) | BT848_DATA_CTL_I2CW3B | cmd;
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((high & 0xff) << 8) | BT848_DATA_CTL_I2CW3B | (u_char)cmd;
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return (bti2c_write(sc->base, data));
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}
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@ -385,9 +385,9 @@ bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte)
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/* clear status bits */
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bti2c->int_stat = (BT848_INT_RACK | BT848_INT_I2CDONE);
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bti2c->i2c_data_ctl = ((slave & 0xff) << 24) | cmd;
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bti2c->i2c_data_ctl = ((slave & 0xff) << 24) | (u_char)cmd;
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BTI2C_DEBUG(printf("r%lx/", (u_long)(((slave & 0xff) << 24) | cmd)));
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BTI2C_DEBUG(printf("r%lx/", (u_long)(((slave & 0xff) << 24) | (u_char)cmd)));
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/* wait for completion */
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for ( x = 0x7fffffff; x; --x ) { /* safety valve */
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@ -1,4 +1,4 @@
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/* $Id: brooktree848.c,v 1.56 1998/10/01 09:35:48 sos Exp $ */
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/* $Id: brooktree848.c,v 1.57 1998/10/31 11:26:38 nsouch Exp $ */
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/* BT848 Driver for Brooktree's Bt848 based cards.
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The Brooktree BT848 Driver driver is based upon Mark Tinguely and
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Jim Lowe's driver for the Matrox Meteor PCI card . The
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@ -4421,16 +4421,6 @@ readEEProm( bktr_ptr_t bktr, int offset, int count, u_char *data )
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}
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#define ABSENT (-1)
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static int
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probeDevice(bktr_ptr_t bktr, u_char addr)
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{
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int read;
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read = i2cRead( bktr, addr);
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if (read == ABSENT || read == 0)
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return (0);
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return (1);
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}
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/*
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* get a signature of the card
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@ -4448,8 +4438,9 @@ signCard( bktr_ptr_t bktr, int offset, int count, u_char* sig )
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sig[ x ] = 0;
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for ( x = 0; x < count; ++x ) {
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if (probeDevice(bktr, (u_char)(2 * x + 1)))
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if ( i2cRead( bktr, (2 * x) + 1 ) != ABSENT ) {
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sig[ x / 8 ] |= (1 << (x % 8) );
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}
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}
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return( 0 );
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@ -4468,12 +4459,17 @@ signCard( bktr_ptr_t bktr, int offset, int count, u_char* sig )
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* (eg VideoLogic Captivator PCI rev. 2F with BT848A)
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*/
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static int check_for_i2c_devices( bktr_ptr_t bktr ){
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int x;
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int x, temp_read;
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int i2c_all_0 = 1;
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int i2c_all_absent = 1;
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for ( x = 0; x < 128; ++x ) {
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if (probeDevice(bktr, (u_char)(2 * x + 1)))
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return (1);
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temp_read = i2cRead( bktr, (2 * x) + 1 );
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if (temp_read != 0) i2c_all_0 = 0;
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if (temp_read != ABSENT) i2c_all_absent = 0;
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}
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return (0);
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if ((i2c_all_0) || (i2c_all_absent)) return 0;
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else return 1;
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}
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/*
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@ -4508,9 +4504,6 @@ probeCard( bktr_ptr_t bktr, int verbose )
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int tuner_i2c_address = -1;
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any_i2c_devices = check_for_i2c_devices( bktr );
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if (bootverbose)
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if (!any_i2c_devices)
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printf("bktr: no I2C device found!\n");
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bt848 = bktr->base;
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bt848->gpio_out_en = 0;
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@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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* $Id: bt848_i2c.c,v 1.1 1998/10/31 11:26:38 nsouch Exp $
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*
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*/
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@ -345,7 +345,7 @@ bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte)
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struct bti2c_softc *sc = (struct bti2c_softc *)device_get_softc(dev);
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u_long data;
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data = ((slave & 0xff) << 24) | ((byte & 0xff) << 16) | cmd;
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data = ((slave & 0xff) << 24) | ((byte & 0xff) << 16) | (u_char)cmd;
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return (bti2c_write(sc->base, data));
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}
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@ -365,7 +365,7 @@ bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word)
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high = (char)((word & 0xff00) >> 8);
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data = ((slave & 0xff) << 24) | ((low & 0xff) << 16) |
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((high & 0xff) << 8) | BT848_DATA_CTL_I2CW3B | cmd;
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((high & 0xff) << 8) | BT848_DATA_CTL_I2CW3B | (u_char)cmd;
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return (bti2c_write(sc->base, data));
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}
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@ -385,9 +385,9 @@ bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte)
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/* clear status bits */
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bti2c->int_stat = (BT848_INT_RACK | BT848_INT_I2CDONE);
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bti2c->i2c_data_ctl = ((slave & 0xff) << 24) | cmd;
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bti2c->i2c_data_ctl = ((slave & 0xff) << 24) | (u_char)cmd;
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BTI2C_DEBUG(printf("r%lx/", (u_long)(((slave & 0xff) << 24) | cmd)));
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BTI2C_DEBUG(printf("r%lx/", (u_long)(((slave & 0xff) << 24) | (u_char)cmd)));
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/* wait for completion */
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for ( x = 0x7fffffff; x; --x ) { /* safety valve */
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