diff options
Diffstat (limited to 'firmware/src/simtrace/sim_switch.c')
| -rw-r--r-- | firmware/src/simtrace/sim_switch.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/firmware/src/simtrace/sim_switch.c b/firmware/src/simtrace/sim_switch.c new file mode 100644 index 0000000..f83290f --- /dev/null +++ b/firmware/src/simtrace/sim_switch.c @@ -0,0 +1,95 @@ +/* + * (C) 2011 by Harald Welte <hwelte@hmw-consulting.de> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <errno.h> +#include <string.h> +#include <sys/types.h> +#include <AT91SAM7.h> +#include <lib_AT91SAM7.h> +#include <openpcd.h> + +#include <simtrace_usb.h> + +#include <os/usb_handler.h> +#include <os/dbgu.h> +#include <os/pio_irq.h> + +#include "../simtrace.h" +#include "../openpcd.h" + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +void sim_switch_mode(int connect_io, int connect_misc) +{ + if (connect_io) + AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_IO_SW); + else + AT91F_PIO_SetOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_IO_SW); + + if (connect_misc) + AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW); + else + AT91F_PIO_SetOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW); +} + +static void sw_sim_irq(u_int32_t pio) +{ + + if (!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, pio)) + DEBUGPCR("SIM card inserted"); + else + DEBUGPCR("SIM card removed"); +} + +static void vcc_phone_irq(u_int32_t pio) +{ + if (!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, pio)) + DEBUGPCR("VCC_PHONE off"); + else + DEBUGPCR("VCC_PHONE on"); +} + +void sim_switch_init(void) +{ + DEBUGPCR("ISO_SW Initializing"); + + /* make sure we get clock from the power management controller */ + AT91F_US0_CfgPMC(); + + /* configure both signals as output */ + AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW | + SIMTRACE_PIO_IO_SW); + + /* configure sim card detect */ + AT91F_PIO_CfgInput(AT91C_BASE_PIOA, SIMTRACE_PIO_SW_SIM); + AT91F_PIO_CfgInputFilter(AT91C_BASE_PIOA, SIMTRACE_PIO_SW_SIM); + pio_irq_register(SIMTRACE_PIO_SW_SIM, &sw_sim_irq); + pio_irq_enable(SIMTRACE_PIO_SW_SIM); + /* configure VCC_PHONE detection */ + AT91F_PIO_CfgInput(AT91C_BASE_PIOA, SIMTRACE_PIO_VCC_PHONE); + AT91F_PIO_CfgPullupDis(AT91C_BASE_PIOA, SIMTRACE_PIO_VCC_PHONE); + AT91F_PIO_CfgInputFilter(AT91C_BASE_PIOA, SIMTRACE_PIO_VCC_PHONE); + pio_irq_register(SIMTRACE_PIO_VCC_PHONE, &vcc_phone_irq); + pio_irq_enable(SIMTRACE_PIO_VCC_PHONE); + +#if 0 + AT91F_ADC_CfgPMC(); + AT91F_ADC_EnableChannel(AT91C_BASE_ADC, AT91C_ADC_CH7); +#endif +} |