diff options
Diffstat (limited to 'firmware/target/hosted')
19 files changed, 2013 insertions, 0 deletions
diff --git a/firmware/target/hosted/pcm-alsa.c b/firmware/target/hosted/pcm-alsa.c new file mode 100644 index 0000000000..928187993e --- /dev/null +++ b/firmware/target/hosted/pcm-alsa.c @@ -0,0 +1,518 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2010 Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + + +/* + * Based, but heavily modified, on the example given at + * http://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2pcm_8c-example.html + * + * This driver uses the so-called unsafe async callback method and hardcoded device + * names. It fails when the audio device is busy by other apps. + * + * TODO: Rewrite this to do it properly with multithreading + * + * Alternatively, a version using polling in a tick task is provided. While + * supposedly safer, it appears to use more CPU (however I didn't measure it + * accurately, only looked at htop). At least, in this mode the "default" + * device works which doesnt break with other apps running. + * device works which doesnt break with other apps running. + */ + + +#include "autoconf.h" + +#include <stdlib.h> +#include <stdbool.h> +#include <alsa/asoundlib.h> +#include "system.h" +#include "debug.h" +#include "kernel.h" + +#include "pcm.h" +#include "pcm-internal.h" +#include "pcm_mixer.h" +#include "pcm_sampr.h" + +#include <pthread.h> +#include <signal.h> + +#define USE_ASYNC_CALLBACK +/* plughw:0,0 works with both, however "default" is recommended. + * default doesnt seem to work with async callback but doesn't break + * with multple applications running */ +static char device[] = "plughw:0,0"; /* playback device */ +static const snd_pcm_access_t access_ = SND_PCM_ACCESS_RW_INTERLEAVED; /* access mode */ +static const snd_pcm_format_t format = SND_PCM_FORMAT_S16; /* sample format */ +static const int channels = 2; /* count of channels */ +static unsigned int rate = 44100; /* stream rate */ + +static snd_pcm_t *handle; +static snd_pcm_sframes_t buffer_size = MIX_FRAME_SAMPLES * 32; /* ~16k */ +static snd_pcm_sframes_t period_size = MIX_FRAME_SAMPLES * 4; /* ~4k */ +static short *frames; + +static const char *pcm_data = 0; +static size_t pcm_size = 0; + +#ifdef USE_ASYNC_CALLBACK +static snd_async_handler_t *ahandler; +static pthread_mutex_t pcm_mtx; +#else +static int recursion; +#endif + +static int set_hwparams(snd_pcm_t *handle, unsigned sample_rate) +{ + unsigned int rrate; + int err; + snd_pcm_hw_params_t *params; + snd_pcm_hw_params_alloca(¶ms); + + + /* choose all parameters */ + err = snd_pcm_hw_params_any(handle, params); + if (err < 0) + { + printf("Broken configuration for playback: no configurations available: %s\n", snd_strerror(err)); + return err; + } + /* set the interleaved read/write format */ + err = snd_pcm_hw_params_set_access(handle, params, access_); + if (err < 0) + { + printf("Access type not available for playback: %s\n", snd_strerror(err)); + return err; + } + /* set the sample format */ + err = snd_pcm_hw_params_set_format(handle, params, format); + if (err < 0) + { + printf("Sample format not available for playback: %s\n", snd_strerror(err)); + return err; + } + /* set the count of channels */ + err = snd_pcm_hw_params_set_channels(handle, params, channels); + if (err < 0) + { + printf("Channels count (%i) not available for playbacks: %s\n", channels, snd_strerror(err)); + return err; + } + /* set the stream rate */ + rrate = sample_rate; + err = snd_pcm_hw_params_set_rate_near(handle, params, &rrate, 0); + if (err < 0) + { + printf("Rate %iHz not available for playback: %s\n", rate, snd_strerror(err)); + return err; + } + if (rrate != sample_rate) + { + printf("Rate doesn't match (requested %iHz, get %iHz)\n", sample_rate, err); + return -EINVAL; + } + + /* set the buffer size */ + err = snd_pcm_hw_params_set_buffer_size_near(handle, params, &buffer_size); + if (err < 0) + { + printf("Unable to set buffer size %i for playback: %s\n", buffer_size, snd_strerror(err)); + return err; + } + + /* set the period size */ + err = snd_pcm_hw_params_set_period_size_near (handle, params, &period_size, NULL); + if (err < 0) + { + printf("Unable to set period size %i for playback: %s\n", period_size, snd_strerror(err)); + return err; + } + if (!frames) + frames = malloc(period_size * channels * sizeof(short)); + + /* write the parameters to device */ + err = snd_pcm_hw_params(handle, params); + if (err < 0) + { + printf("Unable to set hw params for playback: %s\n", snd_strerror(err)); + return err; + } + return 0; +} + +/* Set sw params: playback start threshold and low buffer watermark */ +static int set_swparams(snd_pcm_t *handle) +{ + int err; + + snd_pcm_sw_params_t *swparams; + snd_pcm_sw_params_alloca(&swparams); + + /* get the current swparams */ + err = snd_pcm_sw_params_current(handle, swparams); + if (err < 0) + { + printf("Unable to determine current swparams for playback: %s\n", snd_strerror(err)); + return err; + } + /* start the transfer when the buffer is haalmost full */ + err = snd_pcm_sw_params_set_start_threshold(handle, swparams, buffer_size / 2); + if (err < 0) + { + printf("Unable to set start threshold mode for playback: %s\n", snd_strerror(err)); + return err; + } + /* allow the transfer when at least period_size samples can be processed */ + err = snd_pcm_sw_params_set_avail_min(handle, swparams, period_size); + if (err < 0) + { + printf("Unable to set avail min for playback: %s\n", snd_strerror(err)); + return err; + } + /* write the parameters to the playback device */ + err = snd_pcm_sw_params(handle, swparams); + if (err < 0) + { + printf("Unable to set sw params for playback: %s\n", snd_strerror(err)); + return err; + } + return 0; +} + +/* copy pcm samples to a spare buffer, suitable for snd_pcm_writei() */ +static bool fill_frames(void) +{ + ssize_t copy_n, frames_left = period_size; + bool new_buffer = false; + + while (frames_left > 0) + { + if (!pcm_size) + { + new_buffer = true; + pcm_play_get_more_callback((void **)&pcm_data, &pcm_size); + if (!pcm_size || !pcm_data) + return false; + } + copy_n = MIN((ssize_t)pcm_size, frames_left*4); + memcpy(&frames[2*(period_size-frames_left)], pcm_data, copy_n); + + pcm_data += copy_n; + pcm_size -= copy_n; + frames_left -= copy_n/4; + + if (new_buffer) + { + new_buffer = false; + pcm_play_dma_started_callback(); + } + } + return true; +} + +#ifdef USE_ASYNC_CALLBACK +static void async_callback(snd_async_handler_t *ahandler) +{ + snd_pcm_t *handle = snd_async_handler_get_pcm(ahandler); + + if (pthread_mutex_trylock(&pcm_mtx) != 0) + return; +#else +static void pcm_tick(void) +{ + if (snd_pcm_state(handle) != SND_PCM_STATE_RUNNING) + return; +#endif + + while (snd_pcm_avail_update(handle) >= period_size) + { + if (fill_frames()) + { + int err = snd_pcm_writei(handle, frames, period_size); + if (err < 0 && err != period_size && err != -EAGAIN) + { + printf("Write error: written %i expected %li\n", err, period_size); + break; + } + } + else + { + DEBUGF("%s: No Data.\n", __func__); + break; + } + } +#ifdef USE_ASYNC_CALLBACK + pthread_mutex_unlock(&pcm_mtx); +#endif +} + +static int async_rw(snd_pcm_t *handle) +{ + int err; + snd_pcm_sframes_t sample_size; + short *samples; + +#ifdef USE_ASYNC_CALLBACK + err = snd_async_add_pcm_handler(&ahandler, handle, async_callback, NULL); + if (err < 0) + { + DEBUGF("Unable to register async handler: %s\n", snd_strerror(err)); + return err; + } +#endif + + /* fill buffer with silence to initiate playback without noisy click */ + sample_size = buffer_size; + samples = malloc(sample_size * channels * sizeof(short)); + + snd_pcm_format_set_silence(format, samples, sample_size); + err = snd_pcm_writei(handle, samples, sample_size); + free(samples); + + if (err < 0) + { + DEBUGF("Initial write error: %s\n", snd_strerror(err)); + return err; + } + if (err != (ssize_t)sample_size) + { + DEBUGF("Initial write error: written %i expected %li\n", err, sample_size); + return err; + } + if (snd_pcm_state(handle) == SND_PCM_STATE_PREPARED) + { + err = snd_pcm_start(handle); + if (err < 0) + { + DEBUGF("Start error: %s\n", snd_strerror(err)); + return err; + } + } + return 0; +} + + +void cleanup(void) +{ + free(frames); + frames = NULL; + snd_pcm_close(handle); +} + + +void pcm_play_dma_init(void) +{ + int err; + + + if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) + { + printf("%s(): Cannot open device %s: %s\n", __func__, device, snd_strerror(err)); + exit(EXIT_FAILURE); + return; + } + + if ((err = snd_pcm_nonblock(handle, 1))) + printf("Could not set non-block mode: %s\n", snd_strerror(err)); + + if ((err = set_hwparams(handle, rate)) < 0) + { + printf("Setting of hwparams failed: %s\n", snd_strerror(err)); + exit(EXIT_FAILURE); + } + if ((err = set_swparams(handle)) < 0) + { + printf("Setting of swparams failed: %s\n", snd_strerror(err)); + exit(EXIT_FAILURE); + } + +#ifdef USE_ASYNC_CALLBACK + pthread_mutexattr_t attr; + pthread_mutexattr_init(&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + pthread_mutex_init(&pcm_mtx, &attr); +#else + tick_add_task(pcm_tick); +#endif + + + atexit(cleanup); + return; +} + + +void pcm_play_lock(void) +{ +#ifdef USE_ASYNC_CALLBACK + pthread_mutex_lock(&pcm_mtx); +#else + if (recursion++ == 0) + tick_remove_task(pcm_tick); +#endif +} + +void pcm_play_unlock(void) +{ +#ifdef USE_ASYNC_CALLBACK + pthread_mutex_unlock(&pcm_mtx); +#else + if (--recursion == 0) + tick_add_task(pcm_tick); +#endif +} + +static void pcm_dma_apply_settings_nolock(void) +{ + snd_pcm_drop(handle); + set_hwparams(handle, pcm_sampr); +} + +void pcm_dma_apply_settings(void) +{ + pcm_play_lock(); + pcm_dma_apply_settings_nolock(); + pcm_play_unlock(); +} + + +void pcm_play_dma_pause(bool pause) +{ + snd_pcm_pause(handle, pause); +} + + +void pcm_play_dma_stop(void) +{ + snd_pcm_drain(handle); +} + +void pcm_play_dma_start(const void *addr, size_t size) +{ + pcm_dma_apply_settings_nolock(); + + pcm_data = addr; + pcm_size = size; + + while (1) + { + snd_pcm_state_t state = snd_pcm_state(handle); + switch (state) + { + case SND_PCM_STATE_RUNNING: + return; + case SND_PCM_STATE_XRUN: + { + DEBUGF("Trying to recover from error\n"); + int err = snd_pcm_recover(handle, -EPIPE, 0); + if (err < 0) + DEBUGF("Recovery failed: %s\n", snd_strerror(err)); + continue; + } + case SND_PCM_STATE_SETUP: + { + int err = snd_pcm_prepare(handle); + if (err < 0) + printf("Prepare error: %s\n", snd_strerror(err)); + /* fall through */ + } + case SND_PCM_STATE_PREPARED: + { /* prepared state, we need to fill the buffer with silence before + * starting */ + int err = async_rw(handle); + if (err < 0) + printf("Start error: %s\n", snd_strerror(err)); + return; + } + case SND_PCM_STATE_PAUSED: + { /* paused, simply resume */ + pcm_play_dma_pause(0); + return; + } + case SND_PCM_STATE_DRAINING: + /* run until drained */ + continue; + default: + DEBUGF("Unhandled state: %s\n", snd_pcm_state_name(state)); + return; + } + } +} + +size_t pcm_get_bytes_waiting(void) +{ + return pcm_size; +} + +const void * pcm_play_dma_get_peak_buffer(int *count) +{ + uintptr_t addr = (uintptr_t)pcm_data; + *count = pcm_size / 4; + return (void *)((addr + 3) & ~3); +} + +void pcm_play_dma_postinit(void) +{ +} + + +void pcm_set_mixer_volume(int volume) +{ + (void)volume; +} +#ifdef HAVE_RECORDING +void pcm_rec_lock(void) +{ +} + +void pcm_rec_unlock(void) +{ +} + +void pcm_rec_dma_init(void) +{ +} + +void pcm_rec_dma_close(void) +{ +} + +void pcm_rec_dma_start(void *start, size_t size) +{ + (void)start; + (void)size; +} + +void pcm_rec_dma_stop(void) +{ +} + +const void * pcm_rec_dma_get_peak_buffer(void) +{ + return NULL; +} + +void audiohw_set_recvol(int left, int right, int type) +{ + (void)left; + (void)right; + (void)type; +} + +#endif /* HAVE_RECORDING */ diff --git a/firmware/target/hosted/ypr0/adc-target.h b/firmware/target/hosted/ypr0/adc-target.h new file mode 100644 index 0000000000..bdbc4cfabd --- /dev/null +++ b/firmware/target/hosted/ypr0/adc-target.h @@ -0,0 +1,25 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: adc-target.h 29516 2011-03-05 15:31:52Z thomasjfox $ + * + * Copyright (C) 2011 by Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __ADC_TARGET_H__ +#define __ADC_TARGET_H__ + +#endif /* __ADC_TARGET_H__ */ diff --git a/firmware/target/hosted/ypr0/ascodec-target.h b/firmware/target/hosted/ypr0/ascodec-target.h new file mode 100644 index 0000000000..f4ecf20a1b --- /dev/null +++ b/firmware/target/hosted/ypr0/ascodec-target.h @@ -0,0 +1,92 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: ascodec-target.h 26116 2010-05-17 20:53:25Z funman $ + * + * Module wrapper for AS3543 audio codec, using /dev/afe (afe.ko) of Samsung YP-R0 + * + * Copyright (c) 2011 Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef _ASCODEC_TARGET_H +#define _ASCODEC_TARGET_H + +#include "as3514.h" +#include "kernel.h" +#include "adc.h" +#include "ascodec.h" + +/* ioctl parameter struct */ + +struct codec_req_struct { +/* This works for every kind of afe.ko module requests */ + unsigned char reg; /* Main register address */ + unsigned char subreg; /* Set this only if you are reading/writing a PMU register*/ + unsigned char value; /* To be read if reading a register; to be set if writing to a register */ +}; + +int ascodec_init(void); +void ascodec_close(void); +int ascodec_write(unsigned int reg, unsigned int value); +int ascodec_read(unsigned int reg); +void ascodec_write_pmu(unsigned int index, unsigned int subreg, unsigned int value); +int ascodec_read_pmu(unsigned int index, unsigned int subreg); +void ascodec_set(unsigned int reg, unsigned int bits); +void ascodec_clear(unsigned int reg, unsigned int bits); +void ascodec_write_masked(unsigned int reg, unsigned int bits, unsigned int mask); +int ascodec_readbytes(unsigned int index, unsigned int len, unsigned char *data); +unsigned short adc_read(int channel); +void ascodec_lock(void); +void ascodec_unlock(void); + +static inline bool ascodec_chg_status(void) +{ + return ascodec_read(AS3514_IRQ_ENRD0) & CHG_STATUS; +} + +static inline bool ascodec_endofch(void) +{ + return ascodec_read(AS3514_IRQ_ENRD0) & CHG_ENDOFCH; +} + +static inline void ascodec_monitor_endofch(void) +{ + ascodec_write(AS3514_IRQ_ENRD0, IRQ_ENDOFCH); +} + +static inline void ascodec_wait_adc_finished(void) +{ + /* + * FIXME: not implemented + * + * If irqs are not available on the target platform, + * this should be most likely implemented by polling + * AS3514_IRQ_ENRD2 in the same way powermgmt-ascodec.c + * is polling IRQ_ENDOFCH. + */ +} + +static inline void ascodec_write_charger(int value) +{ + ascodec_write_pmu(AS3543_CHARGER, 1, value); +} + +static inline int ascodec_read_charger(void) +{ + return ascodec_read_pmu(AS3543_CHARGER, 1); +} + +#endif /* !_ASCODEC_TARGET_H */ diff --git a/firmware/target/hosted/ypr0/ascodec-ypr0.c b/firmware/target/hosted/ypr0/ascodec-ypr0.c new file mode 100644 index 0000000000..a4e92e6f6b --- /dev/null +++ b/firmware/target/hosted/ypr0/ascodec-ypr0.c @@ -0,0 +1,206 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: ascodec-target.h 26116 2010-05-17 20:53:25Z funman $ + * + * Module wrapper for AS3543 audio codec, using /dev/afe (afe.ko) of Samsung YP-R0 + * + * Copyright (c) 2011 Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "fcntl.h" +#include "unistd.h" +#include "stdio.h" +#include "string.h" +#include "sys/ioctl.h" +#include "stdlib.h" + +#include "ascodec-target.h" + +int afe_dev = -1; + +/* Write to a normal register */ +#define IOCTL_REG_WRITE 0x40034101 +/* Write to a PMU register */ +#define IOCTL_SUBREG_WRITE 0x40034103 +/* Read from a normal register */ +#define IOCTL_REG_READ 0x80034102 +/* Read from a PMU register */ +#define IOCTL_SUBREG_READ 0x80034103 + +static struct mutex as_mtx; + +int ascodec_init(void) { + + afe_dev = open("/dev/afe", O_RDWR); + + mutex_init(&as_mtx); + + return afe_dev; + +} + +void ascodec_close(void) { + + if (afe_dev >= 0) { + close(afe_dev); + } + +} + +/* Read functions returns -1 if fail, otherwise the register's value if success */ +/* Write functions return >= 0 if success, otherwise -1 if fail */ + +int ascodec_write(unsigned int reg, unsigned int value) +{ + struct codec_req_struct y; + struct codec_req_struct *p; + p = &y; + p->reg = reg; + p->value = value; + return ioctl(afe_dev, IOCTL_REG_WRITE, p); +} + +int ascodec_read(unsigned int reg) +{ + int retval = -1; + struct codec_req_struct y; + struct codec_req_struct *p; + p = &y; + p->reg = reg; + retval = ioctl(afe_dev, IOCTL_REG_READ, p); + if (retval >= 0) + return p->value; + else + return retval; +} + +void ascodec_write_pmu(unsigned int index, unsigned int subreg, + unsigned int value) +{ + struct codec_req_struct y; + struct codec_req_struct *p; + p = &y; + p->reg = index; + p->subreg = subreg; + p->value = value; + ioctl(afe_dev, IOCTL_SUBREG_WRITE, p); +} + +int ascodec_read_pmu(unsigned int index, unsigned int subreg) +{ + int retval = -1; + struct codec_req_struct y; + struct codec_req_struct *p; + p = &y; + p->reg = index; + p->subreg = subreg; + retval = ioctl(afe_dev, IOCTL_SUBREG_READ, p); + if (retval >= 0) + return p->value; + else + return retval; +} + +/* Helpers to set/clear bits */ +void ascodec_set(unsigned int reg, unsigned int bits) +{ + ascodec_write(reg, ascodec_read(reg) | bits); +} + +void ascodec_clear(unsigned int reg, unsigned int bits) +{ + ascodec_write(reg, ascodec_read(reg) & ~bits); +} + +void ascodec_write_masked(unsigned int reg, unsigned int bits, + unsigned int mask) +{ + ascodec_write(reg, (ascodec_read(reg) & ~mask) | (bits & mask)); +} + +/*FIXME: doesn't work */ +int ascodec_readbytes(unsigned int index, unsigned int len, unsigned char *data) +{ + unsigned int i; + + for (i=index; i<len; i++) { + data[i] = ascodec_read(i); + printf("Register %i: value=%i\n",index,data[i]); + } + + printf("TOTAL: %i\n", i); + + return i; +} + +/* + * NOTE: + * After the conversion to interrupts, ascodec_(lock|unlock) are only used by + * adc-as3514.c to protect against other threads corrupting the result by using + * the ADC at the same time. + * + * Concurrent ascodec_(async_)?(read|write) calls are instead protected + * by the R0's Kernel I2C driver for ascodec (mutexed), so it's automatically safe + */ + +void ascodec_lock(void) +{ + mutex_lock(&as_mtx); +} + +void ascodec_unlock(void) +{ + mutex_unlock(&as_mtx); +} + +/* Read 10-bit channel data */ +unsigned short adc_read(int channel) +{ + unsigned short data = 0; + + if ((unsigned)channel >= NUM_ADC_CHANNELS) + return 0; + + ascodec_lock(); + + /* Select channel */ + ascodec_write(AS3514_ADC_0, (channel << 4)); + unsigned char buf[2]; + + /* + * The AS3514 ADC will trigger an interrupt when the conversion + * is finished, if the corresponding enable bit in IRQ_ENRD2 + * is set. + * Previously the code did not wait and this apparently did + * not pose any problems, but this should be more correct. + * Without the wait the data read back may be completely or + * partially (first one of the two bytes) stale. + */ + /*FIXME: not implemented*/ + ascodec_wait_adc_finished(); + + /* Read data */ + ascodec_readbytes(AS3514_ADC_0, 2, buf); + data = (((buf[0] & 0x3) << 8) | buf[1]); + + ascodec_unlock(); + return data; +} + +void adc_init(void) +{ +} diff --git a/firmware/target/hosted/ypr0/backlight-target.h b/firmware/target/hosted/ypr0/backlight-target.h new file mode 100644 index 0000000000..561e159e8c --- /dev/null +++ b/firmware/target/hosted/ypr0/backlight-target.h @@ -0,0 +1,29 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: backlight-target.h 19322 2008-12-04 04:16:53Z jethead71 $ + * + * Copyright (C) 2011 by Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef BACKLIGHT_TARGET_H +#define BACKLIGHT_TARGET_H + +bool _backlight_init(void); +void _backlight_on(void); +void _backlight_off(void); +void _backlight_set_brightness(int brightness); + +#endif /* BACKLIGHT_TARGET_H */ diff --git a/firmware/target/hosted/ypr0/backlight-ypr0.c b/firmware/target/hosted/ypr0/backlight-ypr0.c new file mode 100644 index 0000000000..930b56be2e --- /dev/null +++ b/firmware/target/hosted/ypr0/backlight-ypr0.c @@ -0,0 +1,89 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: backlight-gigabeat-s.c 25800 2010-05-04 10:07:53Z jethead71 $ + * + * Copyright (C) 2011 by Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "system.h" +#include "backlight.h" +#include "backlight-target.h" +#include "lcd.h" +#include "as3514.h" +#include "ascodec-target.h" +#include <fcntl.h> +#include "unistd.h" + +static bool backlight_on_status = true; /* Is on or off? */ + +/*TODO: see if LCD sleep could be implemented in a better way -> ie using a rockbox feature */ +/* Turn off LCD power supply */ +static void _backlight_lcd_sleep(void) +{ + int fp = open("/sys/class/graphics/fb0/blank", O_RDWR); + write(fp, "1", 1); + close(fp); +} +/* Turn on LCD screen */ +static void _backlight_lcd_power(void) +{ + int fp = open("/sys/class/graphics/fb0/blank", O_RDWR); + write(fp, "0", 1); + close(fp); +} + +bool _backlight_init(void) +{ + /* We have nothing to do */ + return true; +} + +void _backlight_on(void) +{ + if (!backlight_on_status) + { + /* Turn on lcd power before backlight */ + _backlight_lcd_power(); + /* Original app sets this to 0xb1 when backlight is on... */ + ascodec_write_pmu(AS3543_BACKLIGHT, 0x1, 0xb1); + } + + backlight_on_status = true; + +} + +void _backlight_off(void) +{ + if (backlight_on_status) { + /* Disabling the DCDC15 completely, keeps brightness register value */ + ascodec_write_pmu(AS3543_BACKLIGHT, 0x1, 0x00); + /* Turn off lcd power then */ + _backlight_lcd_sleep(); + } + + backlight_on_status = false; +} + +void _backlight_set_brightness(int brightness) +{ + /* Just another check... */ + if (brightness > MAX_BRIGHTNESS_SETTING) + brightness = MAX_BRIGHTNESS_SETTING; + if (brightness < MIN_BRIGHTNESS_SETTING) + brightness = MIN_BRIGHTNESS_SETTING; + ascodec_write_pmu(AS3543_BACKLIGHT, 0x3, brightness << 3 & 0xf8); +} diff --git a/firmware/target/hosted/ypr0/button-target.h b/firmware/target/hosted/ypr0/button-target.h new file mode 100644 index 0000000000..5d65d97607 --- /dev/null +++ b/firmware/target/hosted/ypr0/button-target.h @@ -0,0 +1,53 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: button-target.h 29248 2011-02-08 20:05:25Z thomasjfox $ + * + * Copyright (C) 2011 by Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef _BUTTON_TARGET_H_ +#define _BUTTON_TARGET_H_ + +#include <stdbool.h> +#include "config.h" + +void button_init_device(void); +void button_close_device(void); +int button_read_device(void); + +/* Logical buttons key codes */ +#define BUTTON_UP 0x00000001 +#define BUTTON_DOWN 0x00000002 +#define BUTTON_LEFT 0x00000004 +#define BUTTON_RIGHT 0x00000008 +#define BUTTON_USER 0x00000010 +#define BUTTON_MENU 0x00000020 +#define BUTTON_BACK 0x00000040 +#define BUTTON_POWER 0x00000080 +#define BUTTON_SELECT 0x00000100 + +#define BUTTON_MAIN 0x1FF /* all buttons */ + +/* No remote */ +#define BUTTON_REMOTE 0 + +/* Software power-off */ +#define POWEROFF_BUTTON BUTTON_POWER +/* About 3 seconds */ +#define POWEROFF_COUNT 10 + +#endif /* _BUTTON_TARGET_H_ */ diff --git a/firmware/target/hosted/ypr0/button-ypr0.c b/firmware/target/hosted/ypr0/button-ypr0.c new file mode 100644 index 0000000000..4298410161 --- /dev/null +++ b/firmware/target/hosted/ypr0/button-ypr0.c @@ -0,0 +1,103 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: button-sdl.c 30482 2011-09-08 14:53:28Z kugel $ + * + * Copyright (C) 2011 Lorenzo Miori + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <stdlib.h> /* EXIT_SUCCESS */ +#include "config.h" +#include "button.h" +#include "kernel.h" +#include "system.h" +#include "button-target.h" + +/* R0 physical key codes */ +enum ypr0_buttons { + R0BTN_NONE = BUTTON_NONE, + R0BTN_POWER = 1, + R0BTN_UP, + R0BTN_DOWN, + R0BTN_RIGHT, + R0BTN_LEFT, + R0BTN_CENTRAL, + R0BTN_MENU, + R0BTN_BACK, + R0BTN_3DOTS = 11, +}; + + +static int r0_btn_fd = 0; +/* Samsung keypad driver doesn't allow multiple key combinations :( */ +static enum ypr0_buttons r0_read_key(void) +{ + unsigned char keys; + + if (r0_btn_fd < 0) + return 0; + + if (read(r0_btn_fd, &keys, 1)) + return keys; + + return 0; +} + +/* Conversion from physical keypress code to logic key code */ +static int key_to_button(enum ypr0_buttons keyboard_button) +{ + switch (keyboard_button) + { + default: return BUTTON_NONE; + case R0BTN_POWER: return BUTTON_POWER; + case R0BTN_UP: return BUTTON_UP; + case R0BTN_DOWN: return BUTTON_DOWN; + case R0BTN_RIGHT: return BUTTON_RIGHT; + case R0BTN_LEFT: return BUTTON_LEFT; + case R0BTN_CENTRAL: return BUTTON_SELECT; + case R0BTN_MENU: return BUTTON_MENU; + case R0BTN_BACK: return BUTTON_BACK; + case R0BTN_3DOTS: return BUTTON_USER; + } +} + +int button_read_device(void) +{ + return key_to_button(r0_read_key()); +} + + +/* Open the keypad device: it is offered by r0Btn.ko module */ +void button_init_device(void) +{ + r0_btn_fd = open("/dev/r0Btn", O_RDONLY); + if (r0_btn_fd < 0) + printf("/dev/r0Btn open error!"); +} + +#ifdef BUTTON_DRIVER_CLOSE +/* I'm not sure it's called at shutdown...give a check! */ +void button_close_device(void) +{ + if (r0_btn_fd >= 0) { + close(r0_btn_fd); + printf("/dev/r0Btn closed!"); + } +} +#endif /* BUTTON_DRIVER_CLOSE */ diff --git a/firmware/target/hosted/ypr0/dir-target.h b/firmware/target/hosted/ypr0/dir-target.h new file mode 100644 index 0000000000..48859526df --- /dev/null +++ b/firmware/target/hosted/ypr0/dir-target.h @@ -0,0 +1,56 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2010 by Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __DIR_TARGET_H__ +#define __DIR_TARGET_H__ + +#include <dirent.h> +/* including unistd.h is too noisy */ +extern int rmdir(const char* name); + + +#define dirent_uncached dirent +#define DIR_UNCACHED DIR +#define opendir_uncached _opendir +#define readdir_uncached _readdir +#define closedir_uncached _closedir +#define mkdir_uncached _mkdir +#define rmdir_uncached rmdir + +#define dirent_ypr0 dirent +#define DIR_ypr0 DIR +#define opendir_ypr0 _opendir +#define readdir_ypr0 _readdir +#define closedir_ypr0 _closedir +#define mkdir_ypr0 _mkdir +#define rmdir_ypr0 rmdir + +extern DIR* _opendir(const char* name); +extern int _mkdir(const char* name); +extern int _closedir(DIR* dir); +extern struct dirent *_readdir(DIR* dir); +extern void fat_size(unsigned long *size, unsigned long *free); + +#define DIRFUNCTIONS_DEFINED +#define DIRENT_DEFINED +#define DIR_DEFINED + +#endif /* __DIR_TARGET_H__ */ diff --git a/firmware/target/hosted/ypr0/fs-ypr0.c b/firmware/target/hosted/ypr0/fs-ypr0.c new file mode 100644 index 0000000000..7f49a5f91a --- /dev/null +++ b/firmware/target/hosted/ypr0/fs-ypr0.c @@ -0,0 +1,141 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2010 by Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <stdlib.h> +#include <sys/stat.h> /* stat() */ +#include <stdio.h> /* snprintf */ +#include <string.h> /* size_t */ +#include <dirent.h> +#include <time.h> /* localtime() */ +#include "system-target.h" +#include "dir-target.h" +#include "file.h" +#include "dir.h" +#include "rbpaths.h" + + +long filesize(int fd) +{ + struct stat buf; + + if (!fstat(fd, &buf)) + return buf.st_size; + else + return -1; +} + +/* do we really need this in the app? */ +void fat_size(unsigned long* size, unsigned long* free) +{ + *size = *free = 0; +} + +#undef opendir +#undef closedir +#undef mkdir +#undef readdir + +/* need to wrap around DIR* because we need to save the parent's + * directory path in order to determine dirinfo */ +struct __dir { + DIR *dir; + char *path; +}; + +DIR* _opendir(const char *name) +{ + char *buf = malloc(sizeof(struct __dir) + strlen(name)+1); + if (!buf) + return NULL; + + struct __dir *this = (struct __dir*)buf; + + this->path = buf+sizeof(struct __dir); + /* definitely fits due to strlen() */ + strcpy(this->path, name); + + this->dir = opendir(name); + + if (!this->dir) + { + free(buf); + return NULL; + } + return (DIR*)this; +} + +int _mkdir(const char *name) +{ + return mkdir(name, 0777); +} + +int _closedir(DIR *dir) +{ + struct __dir *this = (struct __dir*)dir; + int ret = closedir(this->dir); + free(this); + return ret; +} + +struct dirent* _readdir(DIR* dir) +{ + struct __dir *d = (struct __dir*)dir; + return readdir(d->dir); +} + +struct dirinfo dir_get_info(DIR* _parent, struct dirent *dir) +{ + struct __dir *parent = (struct __dir*)_parent; + struct stat s; + struct tm *tm = NULL; + struct dirinfo ret; + char path[MAX_PATH]; + + snprintf(path, sizeof(path), "%s/%s", parent->path, dir->d_name); + memset(&ret, 0, sizeof(ret)); + + if (!stat(path, &s)) + { + if (S_ISDIR(s.st_mode)) + { + ret.attribute = ATTR_DIRECTORY; + } + ret.size = s.st_size; + tm = localtime(&(s.st_mtime)); + } + + if (!lstat(path, &s) && S_ISLNK(s.st_mode)) + { + ret.attribute |= ATTR_LINK; + } + + if (tm) + { + ret.wrtdate = ((tm->tm_year - 80) << 9) | + ((tm->tm_mon + 1) << 5) | + tm->tm_mday; + ret.wrttime = (tm->tm_hour << 11) | + (tm->tm_min << 5) | + (tm->tm_sec >> 1); + } + + return ret; +} diff --git a/firmware/target/hosted/ypr0/i2c-target.h b/firmware/target/hosted/ypr0/i2c-target.h new file mode 100644 index 0000000000..3b046bba96 --- /dev/null +++ b/firmware/target/hosted/ypr0/i2c-target.h @@ -0,0 +1,25 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: i2c-target.h 29516 2011-03-05 15:31:52Z thomasjfox $ + * + * Copyright (C) 2010 by Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __I2C_TARGET_H__ +#define __I2C_TARGET_H__ + +#endif /* __I2C_TARGET_H__ */ diff --git a/firmware/target/hosted/ypr0/kernel-ypr0.c b/firmware/target/hosted/ypr0/kernel-ypr0.c new file mode 100644 index 0000000000..bcf2cee583 --- /dev/null +++ b/firmware/target/hosted/ypr0/kernel-ypr0.c @@ -0,0 +1,163 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (c) 2010 Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + + +#include <time.h> +#include <signal.h> +#include <errno.h> +#include <unistd.h> +#include <pthread.h> +#include "config.h" +#include "system.h" +#include "button.h" +#include "audio.h" +#include "panic.h" +#include "timer.h" + + +static pthread_cond_t wfi_cond = PTHREAD_COND_INITIALIZER; +static pthread_mutex_t wfi_mtx = PTHREAD_MUTEX_INITIALIZER; +/* + * call tick tasks and wake the scheduler up */ +void timer_signal(union sigval arg) +{ + (void)arg; + call_tick_tasks(); + interrupt(); +} + +/* + * wait on the sem which the signal handler posts to save cpu time (aka sleep) + * + * other mechanisms could use them as well */ +void wait_for_interrupt(void) +{ + pthread_cond_wait(&wfi_cond, &wfi_mtx); +} + +/* + * Wakeup the kernel, if sleeping (shall not be called from a signal handler) */ +void interrupt(void) +{ + pthread_cond_signal(&wfi_cond); +} + + +/* + * setup a hrtimer to send a signal to our process every tick + */ +union sigval tick_arg = { + .sival_int = 0, +}; + +void tick_start(unsigned int interval_in_ms) +{ + int ret = 0; + timer_t timerid; + struct itimerspec ts; + sigevent_t sigev; + + /* initializing in the declaration causes some weird warnings */ + memset(&sigev, 0, sizeof(sigevent_t)); + sigev.sigev_notify = SIGEV_THREAD, + sigev.sigev_notify_function = timer_signal; + + ts.it_value.tv_sec = ts.it_interval.tv_sec = 0; + ts.it_value.tv_nsec = ts.it_interval.tv_nsec = interval_in_ms*1000*1000; + + /* add the timer */ + ret |= timer_create(CLOCK_REALTIME, &sigev, &timerid); + ret |= timer_settime(timerid, 0, &ts, NULL); + + /* Grab the mutex already now and leave it to this thread. We don't + * care about race conditions when signaling the condition (because + * they are not critical), but a mutex is necessary due to the API */ + pthread_mutex_lock(&wfi_mtx); + + if (ret != 0) + panicf("%s(): %s\n", __func__, strerror(errno)); +} + +#define cycles_to_microseconds(cycles) \ + ((int)((1000000*cycles)/TIMER_FREQ)) + + +static timer_t timer_tid; +static int timer_prio = -1; +void (*global_unreg_callback)(void); +void (*global_timer_callback)(void); + +static void timer_cb(union sigval arg) +{ + (void)arg; + if (global_timer_callback) + global_timer_callback(); +} + +bool timer_register(int reg_prio, void (*unregister_callback)(void), + long cycles, void (*timer_callback)(void)) +{ + int ret = 0; + struct itimerspec ts; + sigevent_t sigev; + long in_us = cycles_to_microseconds(cycles); + + if (reg_prio <= timer_prio || in_us <= 0) + return false; + + if (timer_prio >= 0 && global_unreg_callback) + global_unreg_callback(); + + /* initializing in the declaration causes some weird warnings */ + memset(&sigev, 0, sizeof(sigevent_t)); + sigev.sigev_notify = SIGEV_THREAD, + sigev.sigev_notify_function = timer_cb; + + ts.it_value.tv_sec = ts.it_interval.tv_sec = in_us / 1000000; + ts.it_value.tv_nsec = ts.it_interval.tv_nsec = (in_us%1000000)*1000; + + /* add the timer */ + ret |= timer_create(CLOCK_REALTIME, &sigev, &timer_tid); + ret |= timer_settime(timer_tid, 0, &ts, NULL); + + global_timer_callback = timer_callback; + global_unreg_callback = unregister_callback; + timer_prio = reg_prio; + + return ret == 0; +} + +bool timer_set_period(long cycles) +{ + struct itimerspec ts; + long in_us = cycles_to_microseconds(cycles); + ts.it_value.tv_sec = ts.it_interval.tv_sec = in_us / 1000000; + ts.it_value.tv_nsec = ts.it_interval.tv_nsec = (in_us%1000000)*1000; + + return timer_settime(timer_tid, 0, &ts, NULL) == 0; +} + +void timer_unregister(void) +{ + timer_delete(timer_tid); + timer_prio = -1; +} + diff --git a/firmware/target/hosted/ypr0/lc-ypr0.c b/firmware/target/hosted/ypr0/lc-ypr0.c new file mode 100644 index 0000000000..434e901a56 --- /dev/null +++ b/firmware/target/hosted/ypr0/lc-ypr0.c @@ -0,0 +1,40 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2010 by Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <string.h> /* size_t */ +#include "load_code.h" + +/* the load_code wrappers simply wrap, nothing to do */ +void *lc_open(const char *filename, unsigned char *buf, size_t buf_size) +{ + return _lc_open(filename, buf, buf_size); +} + +void *lc_get_header(void *handle) +{ + return _lc_get_header(handle); +} + +void lc_close(void *handle) +{ + _lc_close(handle); +} + diff --git a/firmware/target/hosted/ypr0/lcd-ypr0.c b/firmware/target/hosted/ypr0/lcd-ypr0.c new file mode 100644 index 0000000000..f0565ae2d4 --- /dev/null +++ b/firmware/target/hosted/ypr0/lcd-ypr0.c @@ -0,0 +1,147 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: lcd-bitmap.c 29248 2011-02-08 20:05:25Z thomasjfox $ + * + * Copyright (C) 2011 Lorenzo Miori, Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> +#include "string.h" +#include <linux/fb.h> +#include <sys/mman.h> +#include <sys/ioctl.h> + +#include "file.h" +#include "debug.h" +#include "system.h" +#include "screendump.h" +#include "lcd.h" + +/* eqivalent to fb + y*width + x */ +#define LCDADDR(x, y) (&lcd_framebuffer[(y)][(x)]) + +static int dev_fd = 0; +static fb_data *dev_fb = 0; + +void lcd_update(void) +{ + /* update the entire display */ + memcpy(dev_fb, lcd_framebuffer, sizeof(lcd_framebuffer)); +} + +/* Copy Rockbox frame buffer to the mmapped lcd device */ +void lcd_update_rect(int x, int y, int width, int height) +{ + /* nothing to draw? */ + if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || + (y >= LCD_HEIGHT) || (x + width <= 0) || (y + height <= 0)) + return; + + /* do the necessary clipping */ + if (x < 0) + { /* clip left */ + width += x; + x = 0; + } + if (y < 0) + { /* clip top */ + height += y; + y = 0; + } + if (x + width > LCD_WIDTH) + width = LCD_WIDTH - x; /* clip right */ + if (y + height > LCD_HEIGHT) + height = LCD_HEIGHT - y; /* clip bottom */ + + fb_data* src = LCDADDR(x, y); + fb_data* dst = dev_fb + y*LCD_WIDTH + x; + + if (LCD_WIDTH == width) + { /* optimized full-width update */ + memcpy(dst, src, width * height * sizeof(fb_data)); + } + else + { /* row by row */ + do + { + memcpy(dst, src, width * sizeof(fb_data)); + src += LCD_WIDTH; + dst += LCD_WIDTH; + } while(--height > 0); + } +} + +void lcd_shutdown(void) +{ + printf("FB closed."); + munmap(dev_fb, sizeof(lcd_framebuffer)); + close(dev_fd); +} + +void lcd_init_device(void) +{ + size_t screensize; + struct fb_var_screeninfo vinfo; + struct fb_fix_screeninfo finfo; + + /* Open the framebuffer device */ + dev_fd = open("/dev/fb0", O_RDWR); + if (dev_fd == -1) { + perror("Error: cannot open framebuffer device"); + exit(1); + } + printf("The framebuffer device was opened successfully.\n"); + + /* Get the fixed properties */ + if (ioctl(dev_fd, FBIOGET_FSCREENINFO, &finfo) == -1) { + perror("Error reading fixed information"); + exit(2); + } + + /* Now we get the settable settings, and we set 16 bit bpp */ + if (ioctl(dev_fd, FBIOGET_VSCREENINFO, &vinfo) == -1) { + perror("Error reading variable information"); + exit(3); + } + + vinfo.bits_per_pixel = 16; + + if (ioctl(dev_fd, FBIOPUT_VSCREENINFO, &vinfo)) { + perror("fbset(ioctl)"); + exit(4); + } + + printf("%dx%d, %dbpp\n", vinfo.xres, vinfo.yres, vinfo.bits_per_pixel); + + /* Figure out the size of the screen in bytes */ + screensize = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel / 8; + if (screensize != sizeof(lcd_framebuffer)) + { + exit(4); + perror("Display and framebuffer mismatch!\n"); + } + + /* Map the device to memory */ + dev_fb = mmap(0, screensize, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0); + if ((int)dev_fb == -1) { + perror("Error: failed to map framebuffer device to memory"); + exit(4); + } + printf("The framebuffer device was mapped to memory successfully.\n"); +} diff --git a/firmware/target/hosted/ypr0/powermgmt-ypr0.c b/firmware/target/hosted/ypr0/powermgmt-ypr0.c new file mode 100644 index 0000000000..5701e9f02f --- /dev/null +++ b/firmware/target/hosted/ypr0/powermgmt-ypr0.c @@ -0,0 +1,133 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: powermgmt-sim.c 29543 2011-03-08 19:33:30Z thomasjfox $ + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "system.h" +#include <time.h> +#include "kernel.h" +#include "powermgmt.h" +#include "ascodec-target.h" +#include "stdio.h" + +#if 0 /*still unused*/ +/* The battery manufacturer's website shows discharge curves down to 3.0V, + so 'dangerous' and 'shutoff' levels of 3.4V and 3.3V should be safe. + */ +const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = +{ + 3550 +}; + +const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = +{ + 3450 +}; + +/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ +const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = +{ + { 3300, 3692, 3740, 3772, 3798, 3828, 3876, 3943, 4013, 4094, 4194 } +}; + +#if CONFIG_CHARGING +/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ +const unsigned short percent_to_volt_charge[11] = +{ + 3417, 3802, 3856, 3888, 3905, 3931, 3973, 4025, 4084, 4161, 4219 +}; +#endif /* CONFIG_CHARGING */ +#endif + +#define BATT_MINMVOLT 3450 /* minimum millivolts of battery */ +#define BATT_MAXMVOLT 4150 /* maximum millivolts of battery */ +#define BATT_MAXRUNTIME (10 * 60) /* maximum runtime with full battery in + minutes */ + +extern void send_battery_level_event(void); +extern int last_sent_battery_level; +extern int battery_percent; + +static unsigned int battery_millivolts = BATT_MAXMVOLT; +/* estimated remaining time in minutes */ +static int powermgmt_est_runningtime_min = BATT_MAXRUNTIME; + +static void battery_status_update(void) +{ + static time_t last_change = 0; + time_t now; + + time(&now); + + if (last_change < now) { + last_change = now; + + battery_percent = 100 * (battery_millivolts - BATT_MINMVOLT) / + (BATT_MAXMVOLT - BATT_MINMVOLT); + + powermgmt_est_runningtime_min = + battery_percent * BATT_MAXRUNTIME / 100; + } + + send_battery_level_event(); +} + +void battery_read_info(int *voltage, int *level) +{ + battery_status_update(); + + if (voltage) + *voltage = battery_millivolts; + + if (level) + *level = battery_percent; +} + +unsigned int battery_voltage(void) +{ + battery_status_update(); + return battery_millivolts; +} + +int battery_level(void) +{ + battery_status_update(); + return battery_percent; +} + +int battery_time(void) +{ + battery_status_update(); + return powermgmt_est_runningtime_min; +} + +bool battery_level_safe(void) +{ + return battery_level() >= 10; +} + +void set_battery_capacity(int capacity) +{ + (void)capacity; +} + +#if BATTERY_TYPES_COUNT > 1 +void set_battery_type(int type) +{ + (void)type; +} +#endif diff --git a/firmware/target/hosted/ypr0/system-target.h b/firmware/target/hosted/ypr0/system-target.h new file mode 100644 index 0000000000..07a3163ea9 --- /dev/null +++ b/firmware/target/hosted/ypr0/system-target.h @@ -0,0 +1,37 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2010 by Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __SYSTEM_TARGET_H__ +#define __SYSTEM_TARGET_H__ + +#define disable_irq() +#define enable_irq() +#define disable_irq_save() 0 +#define restore_irq(level) (void)level + +void wait_for_interrupt(void); +void interrupt(void); + +static inline void commit_dcache(void) {} +static inline void commit_discard_dcache(void) {} +static inline void commit_discard_idcache(void) {} + +#define NEED_GENERIC_BYTESWAPS +#endif /* __SYSTEM_TARGET_H__ */ diff --git a/firmware/target/hosted/ypr0/system-ypr0.c b/firmware/target/hosted/ypr0/system-ypr0.c new file mode 100644 index 0000000000..3a2b30339f --- /dev/null +++ b/firmware/target/hosted/ypr0/system-ypr0.c @@ -0,0 +1,106 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: system-sdl.c 29925 2011-05-25 20:11:03Z thomasjfox $ + * + * Copyright (C) 2006 by Daniel Everton <dan@iocaine.org> + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <stdlib.h> +#include <string.h> +#include <inttypes.h> +#include "system.h" +#include "panic.h" +#include "debug.h" + +#if defined(HAVE_SDL_AUDIO) || defined(HAVE_SDL_THREADS) || defined(HAVE_SDL) +#include <SDL.h> +#endif + +#include "ascodec-target.h" + +void sim_do_exit(void) +{ + exit(EXIT_SUCCESS); +} + +void shutdown_hw(void) +{ + /* Something that we need to do before exit on our platform YPR0 */ + ascodec_close(); + sim_do_exit(); +} + +uintptr_t *stackbegin; +uintptr_t *stackend; +void system_init(void) +{ + int *s; + /* fake stack, OS manages size (and growth) */ + stackbegin = stackend = (uintptr_t*)&s; + +#if defined(HAVE_SDL_AUDIO) || defined(HAVE_SDL_THREADS) || defined(HAVE_SDL) + SDL_Init(0); /* need this if using any SDL subsystem */ +#endif + /* Here begins our platform specific initilization for various things */ + ascodec_init(); +} + + +void system_reboot(void) +{ + sim_do_exit(); +} + +void system_exception_wait(void) +{ + system_reboot(); +} + +#ifdef HAVE_ADJUSTABLE_CPU_FREQ +#include <stdio.h> +#include "file.h" +/* This is the Linux Kernel CPU governor... */ +static void set_cpu_freq(int speed) +{ + char temp[10]; + int cpu_dev; + cpu_dev = open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed", O_WRONLY); + if (cpu_dev < 0) + return; + write(cpu_dev, temp, sprintf(temp, "%d", speed) + 1); + close(cpu_dev); +} + +void set_cpu_frequency(long frequency) +{ + switch (frequency) + { + case CPUFREQ_MAX: + set_cpu_freq(532000); + cpu_frequency = CPUFREQ_MAX; + break; + case CPUFREQ_NORMAL: + set_cpu_freq(400000); + cpu_frequency = CPUFREQ_NORMAL; + break; + default: + set_cpu_freq(200000); + cpu_frequency = CPUFREQ_DEFAULT; + break; + } +} +#endif diff --git a/firmware/target/hosted/ypr0/usb-target.h b/firmware/target/hosted/ypr0/usb-target.h new file mode 100644 index 0000000000..237d179775 --- /dev/null +++ b/firmware/target/hosted/ypr0/usb-target.h @@ -0,0 +1,25 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: usb-target.h 29516 2011-03-05 15:31:52Z thomasjfox $ + * + * Copyright (C) 2010 by Thomas Martitz + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __USB_TARGET_H__ +#define __USB_TARGET_H__ + +#endif /* __USB_TARGET_H__ */ diff --git a/firmware/target/hosted/ypr0/ypr0.make b/firmware/target/hosted/ypr0/ypr0.make new file mode 100644 index 0000000000..c2114878db --- /dev/null +++ b/firmware/target/hosted/ypr0/ypr0.make @@ -0,0 +1,25 @@ +# __________ __ ___. +# Open \______ \ ____ ____ | | _\_ |__ _______ ___ +# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / +# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < +# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ +# \/ \/ \/ \/ \/ +# $Id$ +# + +INCLUDES += -I$(FIRMDIR)/include -I$(FIRMDIR)/export $(TARGET_INC) -I$(BUILDDIR) -I$(APPSDIR) + +SIMFLAGS += $(INCLUDES) $(DEFINES) -DHAVE_CONFIG_H $(GCCOPTS) + +.SECONDEXPANSION: # $$(OBJ) is not populated until after this + + +$(BUILDDIR)/rockbox.elf : $$(OBJ) $$(FIRMLIB) $$(VOICESPEEXLIB) $$(SKINLIB) + $(call PRINTS,LD $(@F))$(CC) $(GCCOPTS) -Os -o $@ $(OBJ) \ + -L$(BUILDDIR)/firmware -lfirmware \ + -L$(BUILDDIR)/apps/codecs $(VOICESPEEXLIB:lib%.a=-l%) \ + -L$(BUILDDIR)/lib -lskin_parser \ + $(LDOPTS) $(GLOBAL_LDOPTS) -Wl,-Map,$(BUILDDIR)/rockbox.map + +$(BUILDDIR)/rockbox : $(BUILDDIR)/rockbox.elf + $(call PRINTS,OC $(@F))$(OC) -S -x $< $@ |