diff --git a/sys/arm/broadcom/bcm2835/bcm2835_cpufreq.c b/sys/arm/broadcom/bcm2835/bcm2835_cpufreq.c index 1b5e3a63e09e..15c1106cf36f 100644 --- a/sys/arm/broadcom/bcm2835/bcm2835_cpufreq.c +++ b/sys/arm/broadcom/bcm2835/bcm2835_cpufreq.c @@ -47,12 +47,10 @@ __FBSDID("$FreeBSD$"); #include #include -#include -#include +#include #include #include "cpufreq_if.h" -#include "mbox_if.h" #ifdef DEBUG #define DPRINTF(fmt, ...) do { \ @@ -101,6 +99,7 @@ static struct sysctl_ctx_list bcm2835_sysctl_ctx; struct bcm2835_cpufreq_softc { device_t dev; + device_t firmware; int arm_max_freq; int arm_min_freq; int core_max_freq; @@ -161,7 +160,7 @@ static int bcm2835_cpufreq_get_clock_rate(struct bcm2835_cpufreq_softc *sc, uint32_t clock_id) { - struct msg_get_clock_rate msg; + union msg_get_clock_rate_body msg; int rate; int err; @@ -181,16 +180,11 @@ bcm2835_cpufreq_get_clock_rate(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_CLOCK_RATE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.clock_id = clock_id; - msg.end_tag = 0; + msg.req.clock_id = clock_id; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_CLOCK_RATE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get clock rate (id=%u)\n", clock_id); @@ -198,7 +192,7 @@ bcm2835_cpufreq_get_clock_rate(struct bcm2835_cpufreq_softc *sc, } /* result (Hz) */ - rate = (int)msg.body.resp.rate_hz; + rate = (int)msg.resp.rate_hz; DPRINTF("clock = %d(Hz)\n", rate); return (rate); } @@ -207,7 +201,7 @@ static int bcm2835_cpufreq_get_max_clock_rate(struct bcm2835_cpufreq_softc *sc, uint32_t clock_id) { - struct msg_get_max_clock_rate msg; + union msg_get_clock_rate_body msg; int rate; int err; @@ -227,16 +221,11 @@ bcm2835_cpufreq_get_max_clock_rate(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.clock_id = clock_id; - msg.end_tag = 0; + msg.req.clock_id = clock_id; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_MAX_CLOCK_RATE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get max clock rate (id=%u)\n", clock_id); @@ -244,7 +233,7 @@ bcm2835_cpufreq_get_max_clock_rate(struct bcm2835_cpufreq_softc *sc, } /* result (Hz) */ - rate = (int)msg.body.resp.rate_hz; + rate = (int)msg.resp.rate_hz; DPRINTF("clock = %d(Hz)\n", rate); return (rate); } @@ -253,7 +242,7 @@ static int bcm2835_cpufreq_get_min_clock_rate(struct bcm2835_cpufreq_softc *sc, uint32_t clock_id) { - struct msg_get_min_clock_rate msg; + union msg_get_clock_rate_body msg; int rate; int err; @@ -273,16 +262,11 @@ bcm2835_cpufreq_get_min_clock_rate(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.clock_id = clock_id; - msg.end_tag = 0; + msg.req.clock_id = clock_id; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_MIN_CLOCK_RATE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get min clock rate (id=%u)\n", clock_id); @@ -290,7 +274,7 @@ bcm2835_cpufreq_get_min_clock_rate(struct bcm2835_cpufreq_softc *sc, } /* result (Hz) */ - rate = (int)msg.body.resp.rate_hz; + rate = (int)msg.resp.rate_hz; DPRINTF("clock = %d(Hz)\n", rate); return (rate); } @@ -299,7 +283,7 @@ static int bcm2835_cpufreq_set_clock_rate(struct bcm2835_cpufreq_softc *sc, uint32_t clock_id, uint32_t rate_hz) { - struct msg_set_clock_rate msg; + union msg_set_clock_rate_body msg; int rate; int err; @@ -320,17 +304,12 @@ bcm2835_cpufreq_set_clock_rate(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_SET_CLOCK_RATE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.clock_id = clock_id; - msg.body.req.rate_hz = rate_hz; - msg.end_tag = 0; + msg.req.clock_id = clock_id; + msg.req.rate_hz = rate_hz; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_SET_CLOCK_RATE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't set clock rate (id=%u)\n", clock_id); @@ -338,7 +317,7 @@ bcm2835_cpufreq_set_clock_rate(struct bcm2835_cpufreq_softc *sc, } /* workaround for core clock */ - if (clock_id == BCM2835_MBOX_CLOCK_ID_CORE) { + if (clock_id == BCM2835_FIRMWARE_CLOCK_ID_CORE) { /* for safety (may change voltage without changing clock) */ DELAY(TRANSITION_LATENCY); @@ -349,17 +328,12 @@ bcm2835_cpufreq_set_clock_rate(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_SET_CLOCK_RATE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.clock_id = clock_id; - msg.body.req.rate_hz = rate_hz; - msg.end_tag = 0; + msg.req.clock_id = clock_id; + msg.req.rate_hz = rate_hz; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_SET_CLOCK_RATE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't set clock rate (id=%u)\n", clock_id); @@ -368,7 +342,7 @@ bcm2835_cpufreq_set_clock_rate(struct bcm2835_cpufreq_softc *sc, } /* result (Hz) */ - rate = (int)msg.body.resp.rate_hz; + rate = (int)msg.resp.rate_hz; DPRINTF("clock = %d(Hz)\n", rate); return (rate); } @@ -376,7 +350,7 @@ bcm2835_cpufreq_set_clock_rate(struct bcm2835_cpufreq_softc *sc, static int bcm2835_cpufreq_get_turbo(struct bcm2835_cpufreq_softc *sc) { - struct msg_get_turbo msg; + union msg_get_turbo_body msg; int level; int err; @@ -396,23 +370,18 @@ bcm2835_cpufreq_get_turbo(struct bcm2835_cpufreq_softc *sc) /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_TURBO; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.id = 0; - msg.end_tag = 0; + msg.req.id = 0; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_TURBO, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get turbo\n"); return (MSG_ERROR); } /* result 0=non-turbo, 1=turbo */ - level = (int)msg.body.resp.level; + level = (int)msg.resp.level; DPRINTF("level = %d\n", level); return (level); } @@ -420,7 +389,7 @@ bcm2835_cpufreq_get_turbo(struct bcm2835_cpufreq_softc *sc) static int bcm2835_cpufreq_set_turbo(struct bcm2835_cpufreq_softc *sc, uint32_t level) { - struct msg_set_turbo msg; + union msg_set_turbo_body msg; int value; int err; @@ -440,29 +409,25 @@ bcm2835_cpufreq_set_turbo(struct bcm2835_cpufreq_softc *sc, uint32_t level) */ /* replace unknown value to OFF */ - if (level != BCM2835_MBOX_TURBO_ON && level != BCM2835_MBOX_TURBO_OFF) - level = BCM2835_MBOX_TURBO_OFF; + if (level != BCM2835_FIRMWARE_TURBO_ON && + level != BCM2835_FIRMWARE_TURBO_OFF) + level = BCM2835_FIRMWARE_TURBO_OFF; /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_SET_TURBO; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.id = 0; - msg.body.req.level = level; - msg.end_tag = 0; + msg.req.id = 0; + msg.req.level = level; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_SET_TURBO, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't set turbo\n"); return (MSG_ERROR); } /* result 0=non-turbo, 1=turbo */ - value = (int)msg.body.resp.level; + value = (int)msg.resp.level; DPRINTF("level = %d\n", value); return (value); } @@ -471,7 +436,7 @@ static int bcm2835_cpufreq_get_voltage(struct bcm2835_cpufreq_softc *sc, uint32_t voltage_id) { - struct msg_get_voltage msg; + union msg_get_voltage_body msg; int value; int err; @@ -491,23 +456,18 @@ bcm2835_cpufreq_get_voltage(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_VOLTAGE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.voltage_id = voltage_id; - msg.end_tag = 0; + msg.req.voltage_id = voltage_id; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_VOLTAGE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get voltage\n"); return (MSG_ERROR); } /* result (offset from 1.2V) */ - value = (int)msg.body.resp.value; + value = (int)msg.resp.value; DPRINTF("value = %d\n", value); return (value); } @@ -516,7 +476,7 @@ static int bcm2835_cpufreq_get_max_voltage(struct bcm2835_cpufreq_softc *sc, uint32_t voltage_id) { - struct msg_get_max_voltage msg; + union msg_get_voltage_body msg; int value; int err; @@ -536,23 +496,18 @@ bcm2835_cpufreq_get_max_voltage(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_MAX_VOLTAGE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.voltage_id = voltage_id; - msg.end_tag = 0; + msg.req.voltage_id = voltage_id; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_MAX_VOLTAGE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get max voltage\n"); return (MSG_ERROR); } /* result (offset from 1.2V) */ - value = (int)msg.body.resp.value; + value = (int)msg.resp.value; DPRINTF("value = %d\n", value); return (value); } @@ -560,7 +515,7 @@ static int bcm2835_cpufreq_get_min_voltage(struct bcm2835_cpufreq_softc *sc, uint32_t voltage_id) { - struct msg_get_min_voltage msg; + union msg_get_voltage_body msg; int value; int err; @@ -580,23 +535,18 @@ bcm2835_cpufreq_get_min_voltage(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_MIN_VOLTAGE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.voltage_id = voltage_id; - msg.end_tag = 0; + msg.req.voltage_id = voltage_id; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_MIN_VOLTAGE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get min voltage\n"); return (MSG_ERROR); } /* result (offset from 1.2V) */ - value = (int)msg.body.resp.value; + value = (int)msg.resp.value; DPRINTF("value = %d\n", value); return (value); } @@ -605,7 +555,7 @@ static int bcm2835_cpufreq_set_voltage(struct bcm2835_cpufreq_softc *sc, uint32_t voltage_id, int32_t value) { - struct msg_set_voltage msg; + union msg_set_voltage_body msg; int err; /* @@ -636,24 +586,19 @@ bcm2835_cpufreq_set_voltage(struct bcm2835_cpufreq_softc *sc, /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_SET_VOLTAGE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.voltage_id = voltage_id; - msg.body.req.value = (uint32_t)value; - msg.end_tag = 0; + msg.req.voltage_id = voltage_id; + msg.req.value = (uint32_t)value; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_SET_VOLTAGE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't set voltage\n"); return (MSG_ERROR); } /* result (offset from 1.2V) */ - value = (int)msg.body.resp.value; + value = (int)msg.resp.value; DPRINTF("value = %d\n", value); return (value); } @@ -661,7 +606,7 @@ bcm2835_cpufreq_set_voltage(struct bcm2835_cpufreq_softc *sc, static int bcm2835_cpufreq_get_temperature(struct bcm2835_cpufreq_softc *sc) { - struct msg_get_temperature msg; + union msg_get_temperature_body msg; int value; int err; @@ -681,23 +626,18 @@ bcm2835_cpufreq_get_temperature(struct bcm2835_cpufreq_softc *sc) /* setup single tag buffer */ memset(&msg, 0, sizeof(msg)); - msg.hdr.buf_size = sizeof(msg); - msg.hdr.code = BCM2835_MBOX_CODE_REQ; - msg.tag_hdr.tag = BCM2835_MBOX_TAG_GET_TEMPERATURE; - msg.tag_hdr.val_buf_size = sizeof(msg.body); - msg.tag_hdr.val_len = sizeof(msg.body.req); - msg.body.req.temperature_id = 0; - msg.end_tag = 0; + msg.req.temperature_id = 0; /* call mailbox property */ - err = bcm2835_mbox_property(&msg, sizeof(msg)); + err = bcm2835_firmware_property(sc->firmware, + BCM2835_FIRMWARE_TAG_GET_TEMPERATURE, &msg, sizeof(msg)); if (err) { device_printf(sc->dev, "can't get temperature\n"); return (MSG_ERROR); } /* result (temperature of degree C) */ - value = (int)msg.body.resp.value; + value = (int)msg.resp.value; DPRINTF("value = %d\n", value); return (value); } @@ -713,7 +653,7 @@ sysctl_bcm2835_cpufreq_arm_freq(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_ARM); + val = bcm2835_cpufreq_get_clock_rate(sc, BCM2835_FIRMWARE_CLOCK_ID_ARM); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -724,7 +664,7 @@ sysctl_bcm2835_cpufreq_arm_freq(SYSCTL_HANDLER_ARGS) /* write request */ VC_LOCK(sc); - err = bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_ARM, + err = bcm2835_cpufreq_set_clock_rate(sc, BCM2835_FIRMWARE_CLOCK_ID_ARM, val); VC_UNLOCK(sc); if (err == MSG_ERROR) { @@ -745,7 +685,8 @@ sysctl_bcm2835_cpufreq_core_freq(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_CORE); + val = bcm2835_cpufreq_get_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_CORE); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -756,7 +697,7 @@ sysctl_bcm2835_cpufreq_core_freq(SYSCTL_HANDLER_ARGS) /* write request */ VC_LOCK(sc); - err = bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_CORE, + err = bcm2835_cpufreq_set_clock_rate(sc, BCM2835_FIRMWARE_CLOCK_ID_CORE, val); if (err == MSG_ERROR) { VC_UNLOCK(sc); @@ -778,7 +719,8 @@ sysctl_bcm2835_cpufreq_sdram_freq(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_SDRAM); + val = bcm2835_cpufreq_get_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_SDRAM); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -789,8 +731,8 @@ sysctl_bcm2835_cpufreq_sdram_freq(SYSCTL_HANDLER_ARGS) /* write request */ VC_LOCK(sc); - err = bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_SDRAM, - val); + err = bcm2835_cpufreq_set_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_SDRAM, val); VC_UNLOCK(sc); if (err == MSG_ERROR) { device_printf(sc->dev, "set clock sdram_freq error\n"); @@ -821,9 +763,9 @@ sysctl_bcm2835_cpufreq_turbo(SYSCTL_HANDLER_ARGS) /* write request */ if (val > 0) - sc->turbo_mode = BCM2835_MBOX_TURBO_ON; + sc->turbo_mode = BCM2835_FIRMWARE_TURBO_ON; else - sc->turbo_mode = BCM2835_MBOX_TURBO_OFF; + sc->turbo_mode = BCM2835_FIRMWARE_TURBO_OFF; VC_LOCK(sc); err = bcm2835_cpufreq_set_turbo(sc, sc->turbo_mode); @@ -846,7 +788,7 @@ sysctl_bcm2835_cpufreq_voltage_core(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_CORE); + val = bcm2835_cpufreq_get_voltage(sc, BCM2835_FIRMWARE_VOLTAGE_ID_CORE); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -861,7 +803,7 @@ sysctl_bcm2835_cpufreq_voltage_core(SYSCTL_HANDLER_ARGS) sc->voltage_core = val; VC_LOCK(sc); - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_CORE, + err = bcm2835_cpufreq_set_voltage(sc, BCM2835_FIRMWARE_VOLTAGE_ID_CORE, sc->voltage_core); VC_UNLOCK(sc); if (err == MSG_ERROR) { @@ -882,7 +824,8 @@ sysctl_bcm2835_cpufreq_voltage_sdram_c(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_C); + val = bcm2835_cpufreq_get_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -897,7 +840,8 @@ sysctl_bcm2835_cpufreq_voltage_sdram_c(SYSCTL_HANDLER_ARGS) sc->voltage_sdram_c = val; VC_LOCK(sc); - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_C, + err = bcm2835_cpufreq_set_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C, sc->voltage_sdram_c); VC_UNLOCK(sc); if (err == MSG_ERROR) { @@ -918,7 +862,8 @@ sysctl_bcm2835_cpufreq_voltage_sdram_i(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_I); + val = bcm2835_cpufreq_get_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -933,8 +878,8 @@ sysctl_bcm2835_cpufreq_voltage_sdram_i(SYSCTL_HANDLER_ARGS) sc->voltage_sdram_i = val; VC_LOCK(sc); - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_I, - sc->voltage_sdram_i); + err = bcm2835_cpufreq_set_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I, sc->voltage_sdram_i); VC_UNLOCK(sc); if (err == MSG_ERROR) { device_printf(sc->dev, "set voltage sdram_i error\n"); @@ -954,7 +899,8 @@ sysctl_bcm2835_cpufreq_voltage_sdram_p(SYSCTL_HANDLER_ARGS) /* get realtime value */ VC_LOCK(sc); - val = bcm2835_cpufreq_get_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_P); + val = bcm2835_cpufreq_get_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P); VC_UNLOCK(sc); if (val == MSG_ERROR) return (EIO); @@ -969,8 +915,8 @@ sysctl_bcm2835_cpufreq_voltage_sdram_p(SYSCTL_HANDLER_ARGS) sc->voltage_sdram_p = val; VC_LOCK(sc); - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_P, - sc->voltage_sdram_p); + err = bcm2835_cpufreq_set_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P, sc->voltage_sdram_p); VC_UNLOCK(sc); if (err == MSG_ERROR) { device_printf(sc->dev, "set voltage sdram_p error\n"); @@ -1002,22 +948,22 @@ sysctl_bcm2835_cpufreq_voltage_sdram(SYSCTL_HANDLER_ARGS) sc->voltage_sdram = val; VC_LOCK(sc); - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_C, - val); + err = bcm2835_cpufreq_set_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C, val); if (err == MSG_ERROR) { VC_UNLOCK(sc); device_printf(sc->dev, "set voltage sdram_c error\n"); return (EIO); } - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_I, - val); + err = bcm2835_cpufreq_set_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I, val); if (err == MSG_ERROR) { VC_UNLOCK(sc); device_printf(sc->dev, "set voltage sdram_i error\n"); return (EIO); } - err = bcm2835_cpufreq_set_voltage(sc, BCM2835_MBOX_VOLTAGE_ID_SDRAM_P, - val); + err = bcm2835_cpufreq_set_voltage(sc, + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P, val); if (err == MSG_ERROR) { VC_UNLOCK(sc); device_printf(sc->dev, "set voltage sdram_p error\n"); @@ -1097,42 +1043,42 @@ bcm2835_cpufreq_init(void *arg) /* current clock */ arm_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM); + BCM2835_FIRMWARE_CLOCK_ID_ARM); core_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE); + BCM2835_FIRMWARE_CLOCK_ID_CORE); sdram_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM); + BCM2835_FIRMWARE_CLOCK_ID_SDRAM); /* max/min clock */ arm_max_freq = bcm2835_cpufreq_get_max_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM); + BCM2835_FIRMWARE_CLOCK_ID_ARM); arm_min_freq = bcm2835_cpufreq_get_min_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM); + BCM2835_FIRMWARE_CLOCK_ID_ARM); core_max_freq = bcm2835_cpufreq_get_max_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE); + BCM2835_FIRMWARE_CLOCK_ID_CORE); core_min_freq = bcm2835_cpufreq_get_min_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE); + BCM2835_FIRMWARE_CLOCK_ID_CORE); sdram_max_freq = bcm2835_cpufreq_get_max_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM); + BCM2835_FIRMWARE_CLOCK_ID_SDRAM); sdram_min_freq = bcm2835_cpufreq_get_min_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM); + BCM2835_FIRMWARE_CLOCK_ID_SDRAM); /* turbo mode */ turbo = bcm2835_cpufreq_get_turbo(sc); if (turbo > 0) - sc->turbo_mode = BCM2835_MBOX_TURBO_ON; + sc->turbo_mode = BCM2835_FIRMWARE_TURBO_ON; else - sc->turbo_mode = BCM2835_MBOX_TURBO_OFF; + sc->turbo_mode = BCM2835_FIRMWARE_TURBO_OFF; /* voltage */ voltage_core = bcm2835_cpufreq_get_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_CORE); + BCM2835_FIRMWARE_VOLTAGE_ID_CORE); voltage_sdram_c = bcm2835_cpufreq_get_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_C); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C); voltage_sdram_i = bcm2835_cpufreq_get_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_I); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I); voltage_sdram_p = bcm2835_cpufreq_get_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_P); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P); /* current values (offset from 1.2V) */ sc->voltage_core = voltage_core; @@ -1143,21 +1089,21 @@ bcm2835_cpufreq_init(void *arg) /* max/min voltage */ max_voltage_core = bcm2835_cpufreq_get_max_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_CORE); + BCM2835_FIRMWARE_VOLTAGE_ID_CORE); min_voltage_core = bcm2835_cpufreq_get_min_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_CORE); + BCM2835_FIRMWARE_VOLTAGE_ID_CORE); max_voltage_sdram_c = bcm2835_cpufreq_get_max_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_C); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C); max_voltage_sdram_i = bcm2835_cpufreq_get_max_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_I); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I); max_voltage_sdram_p = bcm2835_cpufreq_get_max_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_P); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P); min_voltage_sdram_c = bcm2835_cpufreq_get_min_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_C); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C); min_voltage_sdram_i = bcm2835_cpufreq_get_min_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_I); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I); min_voltage_sdram_p = bcm2835_cpufreq_get_min_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_SDRAM_P); + BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P); /* temperature */ temperature = bcm2835_cpufreq_get_temperature(sc); @@ -1168,7 +1114,7 @@ bcm2835_cpufreq_init(void *arg) device_printf(sc->dev, "current ARM %dMHz, Core %dMHz, SDRAM %dMHz, Turbo %s\n", HZ2MHZ(arm_freq), HZ2MHZ(core_freq), HZ2MHZ(sdram_freq), - (sc->turbo_mode == BCM2835_MBOX_TURBO_ON) ? "ON" : "OFF"); + (sc->turbo_mode == BCM2835_FIRMWARE_TURBO_ON) ? "ON":"OFF"); device_printf(sc->dev, "max/min ARM %d/%dMHz, Core %d/%dMHz, SDRAM %d/%dMHz\n", @@ -1202,7 +1148,7 @@ bcm2835_cpufreq_init(void *arg) device_printf(sc->dev, "ARM %dMHz, Core %dMHz, SDRAM %dMHz, Turbo %s\n", HZ2MHZ(arm_freq), HZ2MHZ(core_freq), HZ2MHZ(sdram_freq), - (sc->turbo_mode == BCM2835_MBOX_TURBO_ON) ? "ON" : "OFF"); + (sc->turbo_mode == BCM2835_FIRMWARE_TURBO_ON) ? "ON":"OFF"); } /* keep in softc (MHz/mV) */ @@ -1216,25 +1162,25 @@ bcm2835_cpufreq_init(void *arg) sc->min_voltage_core = OFFSET2MVOLT(min_voltage_core); /* if turbo is on, set to max values */ - if (sc->turbo_mode == BCM2835_MBOX_TURBO_ON) { - bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_ARM, - arm_max_freq); - DELAY(TRANSITION_LATENCY); - bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_CORE, - core_max_freq); + if (sc->turbo_mode == BCM2835_FIRMWARE_TURBO_ON) { + bcm2835_cpufreq_set_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_ARM, arm_max_freq); DELAY(TRANSITION_LATENCY); bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM, sdram_max_freq); + BCM2835_FIRMWARE_CLOCK_ID_CORE, core_max_freq); + DELAY(TRANSITION_LATENCY); + bcm2835_cpufreq_set_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_SDRAM, sdram_max_freq); DELAY(TRANSITION_LATENCY); } else { - bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_ARM, - arm_min_freq); - DELAY(TRANSITION_LATENCY); - bcm2835_cpufreq_set_clock_rate(sc, BCM2835_MBOX_CLOCK_ID_CORE, - core_min_freq); + bcm2835_cpufreq_set_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_ARM, arm_min_freq); DELAY(TRANSITION_LATENCY); bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM, sdram_min_freq); + BCM2835_FIRMWARE_CLOCK_ID_CORE, core_min_freq); + DELAY(TRANSITION_LATENCY); + bcm2835_cpufreq_set_clock_rate(sc, + BCM2835_FIRMWARE_CLOCK_ID_SDRAM, sdram_min_freq); DELAY(TRANSITION_LATENCY); } @@ -1297,6 +1243,12 @@ bcm2835_cpufreq_attach(device_t dev) /* set self dev */ sc = device_get_softc(dev); sc->dev = dev; + sc->firmware = devclass_get_device( + devclass_find("bcm2835_firmware"), 0); + if (sc->firmware == NULL) { + device_printf(dev, "Unable to find firmware device\n"); + return (ENXIO); + } /* initial values */ sc->arm_max_freq = -1; @@ -1430,7 +1382,7 @@ bcm2835_cpufreq_set(device_t dev, const struct cf_setting *cf) /* adjust min freq */ min_freq = sc->arm_min_freq; - if (sc->turbo_mode != BCM2835_MBOX_TURBO_ON) + if (sc->turbo_mode != BCM2835_FIRMWARE_TURBO_ON) if (min_freq > cpufreq_lowest_freq) min_freq = cpufreq_lowest_freq; @@ -1441,28 +1393,28 @@ bcm2835_cpufreq_set(device_t dev, const struct cf_setting *cf) VC_LOCK(sc); #ifdef DEBUG cur_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM); + BCM2835_FIRMWARE_CLOCK_ID_ARM); #endif resp_freq = bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM, rate_hz); + BCM2835_FIRMWARE_CLOCK_ID_ARM, rate_hz); DELAY(TRANSITION_LATENCY); arm_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM); + BCM2835_FIRMWARE_CLOCK_ID_ARM); /* * if non-turbo and lower than or equal min_freq, * clock down core and sdram to default first. */ - if (sc->turbo_mode != BCM2835_MBOX_TURBO_ON) { + if (sc->turbo_mode != BCM2835_FIRMWARE_TURBO_ON) { core_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE); + BCM2835_FIRMWARE_CLOCK_ID_CORE); if (rate_hz > MHZ2HZ(sc->arm_min_freq)) { bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE, + BCM2835_FIRMWARE_CLOCK_ID_CORE, MHZ2HZ(sc->core_max_freq)); DELAY(TRANSITION_LATENCY); bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM, + BCM2835_FIRMWARE_CLOCK_ID_SDRAM, MHZ2HZ(sc->sdram_max_freq)); DELAY(TRANSITION_LATENCY); } else { @@ -1471,20 +1423,20 @@ bcm2835_cpufreq_set(device_t dev, const struct cf_setting *cf) /* first, down to 250, then down to min */ DELAY(TRANSITION_LATENCY); bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE, + BCM2835_FIRMWARE_CLOCK_ID_CORE, MHZ2HZ(DEFAULT_CORE_FREQUENCY)); DELAY(TRANSITION_LATENCY); /* reset core voltage */ bcm2835_cpufreq_set_voltage(sc, - BCM2835_MBOX_VOLTAGE_ID_CORE, 0); + BCM2835_FIRMWARE_VOLTAGE_ID_CORE, 0); DELAY(TRANSITION_LATENCY); } bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_CORE, + BCM2835_FIRMWARE_CLOCK_ID_CORE, MHZ2HZ(sc->core_min_freq)); DELAY(TRANSITION_LATENCY); bcm2835_cpufreq_set_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_SDRAM, + BCM2835_FIRMWARE_CLOCK_ID_SDRAM, MHZ2HZ(sc->sdram_min_freq)); DELAY(TRANSITION_LATENCY); } @@ -1517,7 +1469,7 @@ bcm2835_cpufreq_get(device_t dev, struct cf_setting *cf) /* get cuurent value */ VC_LOCK(sc); arm_freq = bcm2835_cpufreq_get_clock_rate(sc, - BCM2835_MBOX_CLOCK_ID_ARM); + BCM2835_FIRMWARE_CLOCK_ID_ARM); VC_UNLOCK(sc); if (arm_freq < 0) { device_printf(dev, "can't get clock\n"); @@ -1557,7 +1509,7 @@ bcm2835_cpufreq_make_freq_list(device_t dev, struct cf_setting *sets, freq = min_freq; /* if non-turbo, add extra low freq */ - if (sc->turbo_mode != BCM2835_MBOX_TURBO_ON) + if (sc->turbo_mode != BCM2835_FIRMWARE_TURBO_ON) if (min_freq > cpufreq_lowest_freq) min_freq = cpufreq_lowest_freq; @@ -1654,3 +1606,4 @@ static driver_t bcm2835_cpufreq_driver = { DRIVER_MODULE(bcm2835_cpufreq, cpu, bcm2835_cpufreq_driver, bcm2835_cpufreq_devclass, 0, 0); +MODULE_DEPEND(bcm2835_cpufreq, bcm2835_firmware, 1, 1, 1); diff --git a/sys/arm/broadcom/bcm2835/bcm2835_firmware.h b/sys/arm/broadcom/bcm2835/bcm2835_firmware.h index da6a137083ed..c88b03e62d38 100644 --- a/sys/arm/broadcom/bcm2835/bcm2835_firmware.h +++ b/sys/arm/broadcom/bcm2835/bcm2835_firmware.h @@ -33,6 +33,115 @@ #ifndef _BCM2835_FIRMWARE_H_ #define _BCM2835_FIRMWARE_H_ +#define BCM2835_FIRMWARE_TAG_GET_CLOCK_RATE 0x00030002 +#define BCM2835_FIRMWARE_TAG_SET_CLOCK_RATE 0x00038002 +#define BCM2835_FIRMWARE_TAG_GET_MAX_CLOCK_RATE 0x00030004 +#define BCM2835_FIRMWARE_TAG_GET_MIN_CLOCK_RATE 0x00030007 + +#define BCM2835_FIRMWARE_CLOCK_ID_EMMC 0x00000001 +#define BCM2835_FIRMWARE_CLOCK_ID_UART 0x00000002 +#define BCM2835_FIRMWARE_CLOCK_ID_ARM 0x00000003 +#define BCM2835_FIRMWARE_CLOCK_ID_CORE 0x00000004 +#define BCM2835_FIRMWARE_CLOCK_ID_V3D 0x00000005 +#define BCM2835_FIRMWARE_CLOCK_ID_H264 0x00000006 +#define BCM2835_FIRMWARE_CLOCK_ID_ISP 0x00000007 +#define BCM2835_FIRMWARE_CLOCK_ID_SDRAM 0x00000008 +#define BCM2835_FIRMWARE_CLOCK_ID_PIXEL 0x00000009 +#define BCM2835_FIRMWARE_CLOCK_ID_PWM 0x0000000a +#define BCM2838_FIRMWARE_CLOCK_ID_EMMC2 0x0000000c + +union msg_get_clock_rate_body { + struct { + uint32_t clock_id; + } req; + struct { + uint32_t clock_id; + uint32_t rate_hz; + } resp; +}; + +union msg_set_clock_rate_body { + struct { + uint32_t clock_id; + uint32_t rate_hz; + } req; + struct { + uint32_t clock_id; + uint32_t rate_hz; + } resp; +}; + +#define BCM2835_FIRMWARE_TAG_GET_VOLTAGE 0x00030003 +#define BCM2835_FIRMWARE_TAG_SET_VOLTAGE 0x00038003 +#define BCM2835_FIRMWARE_TAG_GET_MAX_VOLTAGE 0x00030005 +#define BCM2835_FIRMWARE_TAG_GET_MIN_VOLTAGE 0x00030008 + +#define BCM2835_FIRMWARE_VOLTAGE_ID_CORE 0x00000001 +#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C 0x00000002 +#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P 0x00000003 +#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I 0x00000004 + +union msg_get_voltage_body { + struct { + uint32_t voltage_id; + } req; + struct { + uint32_t voltage_id; + uint32_t value; + } resp; +}; + +union msg_set_voltage_body { + struct { + uint32_t voltage_id; + uint32_t value; + } req; + struct { + uint32_t voltage_id; + uint32_t value; + } resp; +}; + +#define BCM2835_FIRMWARE_TAG_GET_TEMPERATURE 0x00030006 +#define BCM2835_FIRMWARE_TAG_GET_MAX_TEMPERATURE 0x0003000a + +union msg_get_temperature_body { + struct { + uint32_t temperature_id; + } req; + struct { + uint32_t temperature_id; + uint32_t value; + } resp; +}; + +#define BCM2835_FIRMWARE_TAG_GET_TURBO 0x00030009 +#define BCM2835_FIRMWARE_TAG_SET_TURBO 0x00038009 + +#define BCM2835_FIRMWARE_TURBO_ON 1 +#define BCM2835_FIRMWARE_TURBO_OFF 0 + +union msg_get_turbo_body { + struct { + uint32_t id; + } req; + struct { + uint32_t id; + uint32_t level; + } resp; +}; + +union msg_set_turbo_body { + struct { + uint32_t id; + uint32_t level; + } req; + struct { + uint32_t id; + uint32_t level; + } resp; +}; + int bcm2835_firmware_property(device_t, uint32_t, void *, size_t); #endif diff --git a/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h b/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h index 211820c09c31..15f48aefa536 100644 --- a/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h +++ b/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h @@ -113,21 +113,9 @@ struct msg_set_power_state { int bcm2835_mbox_set_power_state(uint32_t, boolean_t); #define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001 -#define BCM2835_MBOX_CLOCK_ID_UART 0x00000002 -#define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003 -#define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004 -#define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005 -#define BCM2835_MBOX_CLOCK_ID_H264 0x00000006 -#define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007 -#define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008 -#define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009 -#define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a #define BCM2838_MBOX_CLOCK_ID_EMMC2 0x0000000c #define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002 -#define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002 -#define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004 -#define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007 struct msg_get_clock_rate { struct bcm2835_mbox_hdr hdr; @@ -144,52 +132,6 @@ struct msg_get_clock_rate { uint32_t end_tag; }; -struct msg_set_clock_rate { - struct bcm2835_mbox_hdr hdr; - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - uint32_t clock_id; - uint32_t rate_hz; - } req; - struct { - uint32_t clock_id; - uint32_t rate_hz; - } resp; - } body; - uint32_t end_tag; -}; - -struct msg_get_max_clock_rate { - struct bcm2835_mbox_hdr hdr; - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - uint32_t clock_id; - } req; - struct { - uint32_t clock_id; - uint32_t rate_hz; - } resp; - } body; - uint32_t end_tag; -}; - -struct msg_get_min_clock_rate { - struct bcm2835_mbox_hdr hdr; - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - uint32_t clock_id; - } req; - struct { - uint32_t clock_id; - uint32_t rate_hz; - } resp; - } body; - uint32_t end_tag; -}; - int bcm2835_mbox_get_clock_rate(uint32_t, uint32_t *); #define BCM2835_MBOX_TURBO_ON 1