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-rw-r--r--linux/drivers/media/video/cx88/Makefile2
-rw-r--r--linux/drivers/media/video/cx88/cx88-alsa.c9
-rw-r--r--linux/drivers/media/video/cx88/cx88-cards.c17
-rw-r--r--linux/drivers/media/video/cx88/cx88-core.c28
-rw-r--r--linux/drivers/media/video/cx88/cx88-dsp.c317
-rw-r--r--linux/drivers/media/video/cx88/cx88-dvb.c2
-rw-r--r--linux/drivers/media/video/cx88/cx88-i2c.c2
-rw-r--r--linux/drivers/media/video/cx88/cx88-mpeg.c2
-rw-r--r--linux/drivers/media/video/cx88/cx88-tvaudio.c136
-rw-r--r--linux/drivers/media/video/cx88/cx88-video.c29
-rw-r--r--linux/drivers/media/video/cx88/cx88.h12
11 files changed, 462 insertions, 94 deletions
diff --git a/linux/drivers/media/video/cx88/Makefile b/linux/drivers/media/video/cx88/Makefile
index b06b1275a..5b7e26761 100644
--- a/linux/drivers/media/video/cx88/Makefile
+++ b/linux/drivers/media/video/cx88/Makefile
@@ -1,5 +1,5 @@
cx88xx-objs := cx88-cards.o cx88-core.o cx88-i2c.o cx88-tvaudio.o \
- cx88-input.o
+ cx88-dsp.o cx88-input.o
cx8800-objs := cx88-video.o cx88-vbi.o
cx8802-objs := cx88-mpeg.o
diff --git a/linux/drivers/media/video/cx88/cx88-alsa.c b/linux/drivers/media/video/cx88/cx88-alsa.c
index 1e78faba6..077c9f0d7 100644
--- a/linux/drivers/media/video/cx88/cx88-alsa.c
+++ b/linux/drivers/media/video/cx88/cx88-alsa.c
@@ -802,7 +802,7 @@ static int __devinit snd_cx88_create(struct snd_card *card,
return err;
}
- if (!pci_dma_supported(pci,DMA_32BIT_MASK)) {
+ if (!pci_dma_supported(pci,DMA_BIT_MASK(32))) {
dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
err = -EIO;
cx88_core_put(core,pci);
@@ -867,9 +867,10 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
return (-ENOENT);
}
- card = snd_card_new(index[devno], id[devno], THIS_MODULE, sizeof(snd_cx88_card_t));
- if (!card)
- return (-ENOMEM);
+ err = snd_card_create(index[devno], id[devno], THIS_MODULE,
+ sizeof(snd_cx88_card_t), &card);
+ if (err < 0)
+ return err;
card->private_free = snd_cx88_dev_free;
diff --git a/linux/drivers/media/video/cx88/cx88-cards.c b/linux/drivers/media/video/cx88/cx88-cards.c
index a170dedbf..a4d49fbf7 100644
--- a/linux/drivers/media/video/cx88/cx88-cards.c
+++ b/linux/drivers/media/video/cx88/cx88-cards.c
@@ -3082,7 +3082,7 @@ static void cx88_card_setup(struct cx88_core *core)
ctl.fname);
call_all(core, tuner, s_config, &xc2028_cfg);
}
- call_all(core, core, s_standby, 0);
+ call_all(core, tuner, s_standby);
}
/* ------------------------------------------------------------------ */
@@ -3254,16 +3254,19 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
The radio_type is sometimes missing, or set to UNSET but
later code configures a tea5767.
*/
- v4l2_i2c_new_probed_subdev(&core->i2c_adap, "tuner", "tuner",
+ v4l2_i2c_new_probed_subdev(&core->v4l2_dev, &core->i2c_adap,
+ "tuner", "tuner",
v4l2_i2c_tuner_addrs(ADDRS_RADIO));
if (has_demod)
- v4l2_i2c_new_probed_subdev(&core->i2c_adap, "tuner",
- "tuner", v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
+ v4l2_i2c_new_probed_subdev(&core->v4l2_dev,
+ &core->i2c_adap, "tuner", "tuner",
+ v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
if (core->board.tuner_addr == ADDR_UNSET) {
- v4l2_i2c_new_probed_subdev(&core->i2c_adap, "tuner",
- "tuner", has_demod ? tv_addrs + 4 : tv_addrs);
+ v4l2_i2c_new_probed_subdev(&core->v4l2_dev,
+ &core->i2c_adap, "tuner", "tuner",
+ has_demod ? tv_addrs + 4 : tv_addrs);
} else {
- v4l2_i2c_new_subdev(&core->i2c_adap,
+ v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
"tuner", "tuner", core->board.tuner_addr);
}
}
diff --git a/linux/drivers/media/video/cx88/cx88-core.c b/linux/drivers/media/video/cx88/cx88-core.c
index faee9d885..39cbd152a 100644
--- a/linux/drivers/media/video/cx88/cx88-core.c
+++ b/linux/drivers/media/video/cx88/cx88-core.c
@@ -232,7 +232,7 @@ cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf)
* can use the whole SDRAM for the DMA fifos. To simplify things, we
* use a static memory layout. That surely will waste memory in case
* we don't use all DMA channels at the same time (which will be the
- * case most of the time). But that still gives us enougth FIFO space
+ * case most of the time). But that still gives us enough FIFO space
* to be able to deal with insane long pci latencies ...
*
* FIFO space allocations:
@@ -242,6 +242,7 @@ cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf)
* channel 24 (vbi) - 4.0k
* channels 25+26 (audio) - 4.0k
* channel 28 (mpeg) - 4.0k
+ * channel 27 (audio rds)- 3.0k
* TOTAL = 29.0k
*
* Every channel has 160 bytes control data (64 bytes instruction
@@ -338,6 +339,18 @@ struct sram_channel cx88_sram_channels[] = {
.cnt1_reg = MO_DMA28_CNT1,
.cnt2_reg = MO_DMA28_CNT2,
},
+ [SRAM_CH27] = {
+ .name = "audio rds",
+ .cmds_start = 0x1801C0,
+ .ctrl_start = 0x180860,
+ .cdt = 0x180860 + 64,
+ .fifo_start = 0x187400,
+ .fifo_size = 0x000C00,
+ .ptr1_reg = MO_DMA27_PTR1,
+ .ptr2_reg = MO_DMA27_PTR2,
+ .cnt1_reg = MO_DMA27_CNT1,
+ .cnt2_reg = MO_DMA27_CNT2,
+ },
};
int cx88_sram_channel_setup(struct cx88_core *core,
@@ -623,6 +636,7 @@ int cx88_reset(struct cx88_core *core)
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], 128, 0);
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], 128, 0);
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], 188*4, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH27], 128, 0);
/* misc init ... */
cx_write(MO_INPUT_FORMAT, ((1 << 13) | // agc enable
@@ -821,6 +835,8 @@ int cx88_start_audio_dma(struct cx88_core *core)
/* constant 128 made buzz in analog Nicam-stereo for bigger fifo_size */
int bpl = cx88_sram_channels[SRAM_CH25].fifo_size/4;
+ int rds_bpl = cx88_sram_channels[SRAM_CH27].fifo_size/AUD_RDS_LINES;
+
/* If downstream RISC is enabled, bail out; ALSA is managing DMA */
if (cx_read(MO_AUD_DMACNTRL) & 0x10)
return 0;
@@ -828,12 +844,14 @@ int cx88_start_audio_dma(struct cx88_core *core)
/* setup fifo + format */
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], bpl, 0);
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], bpl, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH27],
+ rds_bpl, 0);
cx_write(MO_AUDD_LNGTH, bpl); /* fifo bpl size */
- cx_write(MO_AUDR_LNGTH, bpl); /* fifo bpl size */
+ cx_write(MO_AUDR_LNGTH, rds_bpl); /* fifo bpl size */
- /* start dma */
- cx_write(MO_AUD_DMACNTRL, 0x0003); /* Up and Down fifo enable */
+ /* enable Up, Down and Audio RDS fifo */
+ cx_write(MO_AUD_DMACNTRL, 0x0007);
return 0;
}
@@ -1020,7 +1038,7 @@ int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm)
set_tvaudio(core);
// tell i2c chips
- call_all(core, tuner, s_std, norm);
+ call_all(core, core, s_std, norm);
// done
return 0;
diff --git a/linux/drivers/media/video/cx88/cx88-dsp.c b/linux/drivers/media/video/cx88/cx88-dsp.c
new file mode 100644
index 000000000..dfe2cfce4
--- /dev/null
+++ b/linux/drivers/media/video/cx88/cx88-dsp.c
@@ -0,0 +1,317 @@
+/*
+ *
+ * Stereo and SAP detection for cx88
+ *
+ * Copyright (c) 2009 Marton Balint <cus@fazekas.hu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <asm/div64.h>
+
+#include "cx88.h"
+#include "cx88-reg.h"
+
+#define INT_PI ((s32)(3.141592653589 * 32768.0))
+
+#define compat_remainder(a, b) \
+ ((float)(((s32)((a)*100))%((s32)((b)*100)))/100.0)
+
+#define baseband_freq(carrier, srate, tone) ((s32)( \
+ (compat_remainder(carrier + tone, srate)) / srate * 2 * INT_PI))
+
+/* We calculate the baseband frequencies of the carrier and the pilot tones
+ * based on the the sampling rate of the audio rds fifo. */
+
+#define FREQ_A2_CARRIER baseband_freq(54687.5, 2689.36, 0.0)
+#define FREQ_A2_DUAL baseband_freq(54687.5, 2689.36, 274.1)
+#define FREQ_A2_STEREO baseband_freq(54687.5, 2689.36, 117.5)
+
+/* The frequencies below are from the reference driver. They probably need
+ * further adjustments, because they are not tested at all. You may even need
+ * to play a bit with the registers of the chip to select the proper signal
+ * for the input of the audio rds fifo, and measure it's sampling rate to
+ * calculate the proper baseband frequencies... */
+
+#define FREQ_A2M_CARRIER ((s32)(2.114516 * 32768.0))
+#define FREQ_A2M_DUAL ((s32)(2.754916 * 32768.0))
+#define FREQ_A2M_STEREO ((s32)(2.462326 * 32768.0))
+
+#define FREQ_EIAJ_CARRIER ((s32)(1.963495 * 32768.0)) /* 5pi/8 */
+#define FREQ_EIAJ_DUAL ((s32)(2.562118 * 32768.0))
+#define FREQ_EIAJ_STEREO ((s32)(2.601053 * 32768.0))
+
+#define FREQ_BTSC_DUAL ((s32)(1.963495 * 32768.0)) /* 5pi/8 */
+#define FREQ_BTSC_DUAL_REF ((s32)(1.374446 * 32768.0)) /* 7pi/16 */
+
+#define FREQ_BTSC_SAP ((s32)(2.471532 * 32768.0))
+#define FREQ_BTSC_SAP_REF ((s32)(1.730072 * 32768.0))
+
+/* The spectrum of the signal should be empty between these frequencies. */
+#define FREQ_NOISE_START ((s32)(0.100000 * 32768.0))
+#define FREQ_NOISE_END ((s32)(1.200000 * 32768.0))
+
+static unsigned int dsp_debug;
+module_param(dsp_debug, int, 0644);
+MODULE_PARM_DESC(dsp_debug, "enable audio dsp debug messages");
+
+#define dprintk(level, fmt, arg...) if (dsp_debug >= level) \
+ printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
+
+static s32 int_cos(u32 x)
+{
+ u32 t2, t4, t6, t8;
+ s32 ret;
+ u16 period = x / INT_PI;
+ if (period % 2)
+ return -int_cos(x - INT_PI);
+ x = x % INT_PI;
+ if (x > INT_PI/2)
+ return -int_cos(INT_PI/2 - (x % (INT_PI/2)));
+ /* Now x is between 0 and INT_PI/2.
+ * To calculate cos(x) we use it's Taylor polinom. */
+ t2 = x*x/32768/2;
+ t4 = t2*x/32768*x/32768/3/4;
+ t6 = t4*x/32768*x/32768/5/6;
+ t8 = t6*x/32768*x/32768/7/8;
+ ret = 32768-t2+t4-t6+t8;
+ return ret;
+}
+
+static u32 int_goertzel(s16 x[], u32 N, u32 freq)
+{
+ /* We use the Goertzel algorithm to determine the power of the
+ * given frequency in the signal */
+ s32 s_prev = 0;
+ s32 s_prev2 = 0;
+ s32 coeff = 2*int_cos(freq);
+ u32 i;
+
+ u64 tmp;
+ u32 divisor;
+
+ for (i = 0; i < N; i++) {
+ s32 s = x[i] + ((s64)coeff*s_prev/32768) - s_prev2;
+ s_prev2 = s_prev;
+ s_prev = s;
+ }
+
+ tmp = (s64)s_prev2 * s_prev2 + (s64)s_prev * s_prev -
+ (s64)coeff * s_prev2 * s_prev / 32768;
+
+ /* XXX: N must be low enough so that N*N fits in s32.
+ * Else we need two divisions. */
+ divisor = N * N;
+ do_div(tmp, divisor);
+
+ return (u32) tmp;
+}
+
+static u32 freq_magnitude(s16 x[], u32 N, u32 freq)
+{
+ u32 sum = int_goertzel(x, N, freq);
+ return (u32)int_sqrt(sum);
+}
+
+static u32 noise_magnitude(s16 x[], u32 N, u32 freq_start, u32 freq_end)
+{
+ int i;
+ u32 sum = 0;
+ u32 freq_step;
+ int samples = 5;
+
+ if (N > 192) {
+ /* The last 192 samples are enough for noise detection */
+ x += (N-192);
+ N = 192;
+ }
+
+ freq_step = (freq_end - freq_start) / (samples - 1);
+
+ for (i = 0; i < samples; i++) {
+ sum += int_goertzel(x, N, freq_start);
+ freq_start += freq_step;
+ }
+
+ return (u32)int_sqrt(sum / samples);
+}
+
+static s32 detect_a2_a2m_eiaj(struct cx88_core *core, s16 x[], u32 N)
+{
+ s32 carrier, stereo, dual, noise;
+ s32 carrier_freq, stereo_freq, dual_freq;
+ s32 ret;
+
+ switch (core->tvaudio) {
+ case WW_BG:
+ case WW_DK:
+ carrier_freq = FREQ_A2_CARRIER;
+ stereo_freq = FREQ_A2_STEREO;
+ dual_freq = FREQ_A2_DUAL;
+ break;
+ case WW_M:
+ carrier_freq = FREQ_A2M_CARRIER;
+ stereo_freq = FREQ_A2M_STEREO;
+ dual_freq = FREQ_A2M_DUAL;
+ break;
+ case WW_EIAJ:
+ carrier_freq = FREQ_EIAJ_CARRIER;
+ stereo_freq = FREQ_EIAJ_STEREO;
+ dual_freq = FREQ_EIAJ_DUAL;
+ break;
+ default:
+ printk(KERN_WARNING "%s/0: unsupported audio mode %d for %s\n",
+ core->name, core->tvaudio, __func__);
+ return UNSET;
+ }
+
+ carrier = freq_magnitude(x, N, carrier_freq);
+ stereo = freq_magnitude(x, N, stereo_freq);
+ dual = freq_magnitude(x, N, dual_freq);
+ noise = noise_magnitude(x, N, FREQ_NOISE_START, FREQ_NOISE_END);
+
+ dprintk(1, "detect a2/a2m/eiaj: carrier=%d, stereo=%d, dual=%d, "
+ "noise=%d\n", carrier, stereo, dual, noise);
+
+ if (stereo > dual)
+ ret = V4L2_TUNER_SUB_STEREO;
+ else
+ ret = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+
+ if (core->tvaudio == WW_EIAJ) {
+ /* EIAJ checks may need adjustments */
+ if ((carrier > max(stereo, dual)*2) &&
+ (carrier < max(stereo, dual)*6) &&
+ (carrier > 20 && carrier < 200) &&
+ (max(stereo, dual) > min(stereo, dual))) {
+ /* For EIAJ the carrier is always present,
+ so we probably don't need noise detection */
+ return ret;
+ }
+ } else {
+ if ((carrier > max(stereo, dual)*2) &&
+ (carrier < max(stereo, dual)*8) &&
+ (carrier > 20 && carrier < 200) &&
+ (noise < 10) &&
+ (max(stereo, dual) > min(stereo, dual)*2)) {
+ return ret;
+ }
+ }
+ return V4L2_TUNER_SUB_MONO;
+}
+
+static s32 detect_btsc(struct cx88_core *core, s16 x[], u32 N)
+{
+ s32 sap_ref = freq_magnitude(x, N, FREQ_BTSC_SAP_REF);
+ s32 sap = freq_magnitude(x, N, FREQ_BTSC_SAP);
+ s32 dual_ref = freq_magnitude(x, N, FREQ_BTSC_DUAL_REF);
+ s32 dual = freq_magnitude(x, N, FREQ_BTSC_DUAL);
+ dprintk(1, "detect btsc: dual_ref=%d, dual=%d, sap_ref=%d, sap=%d"
+ "\n", dual_ref, dual, sap_ref, sap);
+ /* FIXME: Currently not supported */
+ return UNSET;
+}
+
+static s16 *read_rds_samples(struct cx88_core *core, u32 *N)
+{
+ struct sram_channel *srch = &cx88_sram_channels[SRAM_CH27];
+ s16 *samples;
+
+ unsigned int i;
+ unsigned int bpl = srch->fifo_size/AUD_RDS_LINES;
+ unsigned int spl = bpl/4;
+ unsigned int sample_count = spl*(AUD_RDS_LINES-1);
+
+ u32 current_address = cx_read(srch->ptr1_reg);
+ u32 offset = (current_address - srch->fifo_start + bpl);
+
+ dprintk(1, "read RDS samples: current_address=%08x (offset=%08x), "
+ "sample_count=%d, aud_intstat=%08x\n", current_address,
+ current_address - srch->fifo_start, sample_count,
+ cx_read(MO_AUD_INTSTAT));
+
+ samples = kmalloc(sizeof(s16)*sample_count, GFP_KERNEL);
+ if (!samples)
+ return NULL;
+
+ *N = sample_count;
+
+ for (i = 0; i < sample_count; i++) {
+ offset = offset % (AUD_RDS_LINES*bpl);
+ samples[i] = cx_read(srch->fifo_start + offset);
+ offset += 4;
+ }
+
+ if (dsp_debug >= 2) {
+ dprintk(2, "RDS samples dump: ");
+ for (i = 0; i < sample_count; i++)
+ printk("%hd ", samples[i]);
+ printk(".\n");
+ }
+
+ return samples;
+}
+
+s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core)
+{
+ s16 *samples;
+ u32 N = 0;
+ s32 ret = UNSET;
+
+ /* If audio RDS fifo is disabled, we can't read the samples */
+ if (!(cx_read(MO_AUD_DMACNTRL) & 0x04))
+ return ret;
+ if (!(cx_read(AUD_CTL) & EN_FMRADIO_EN_RDS))
+ return ret;
+
+ /* Wait at least 500 ms after an audio standard change */
+ if (time_before(jiffies, core->last_change + msecs_to_jiffies(500)))
+ return ret;
+
+ samples = read_rds_samples(core, &N);
+
+ if (!samples)
+ return ret;
+
+ switch (core->tvaudio) {
+ case WW_BG:
+ case WW_DK:
+#if 0
+ /* We should not detect these, until they are properly tested... */
+ case WW_EIAJ:
+ case WW_M:
+#endif
+ ret = detect_a2_a2m_eiaj(core, samples, N);
+ break;
+ case WW_BTSC:
+ ret = detect_btsc(core, samples, N);
+ break;
+ }
+
+ kfree(samples);
+
+ if (UNSET != ret)
+ dprintk(1, "stereo/sap detection result:%s%s%s\n",
+ (ret & V4L2_TUNER_SUB_MONO) ? " mono" : "",
+ (ret & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
+ (ret & V4L2_TUNER_SUB_LANG2) ? " dual" : "");
+
+ return ret;
+}
+EXPORT_SYMBOL(cx88_dsp_detect_stereo_sap);
+
diff --git a/linux/drivers/media/video/cx88/cx88-dvb.c b/linux/drivers/media/video/cx88/cx88-dvb.c
index 3de497312..f32cece95 100644
--- a/linux/drivers/media/video/cx88/cx88-dvb.c
+++ b/linux/drivers/media/video/cx88/cx88-dvb.c
@@ -1175,7 +1175,7 @@ static int dvb_register(struct cx8802_dev *dev)
fe1->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl;
/* Put the analog decoder in standby to keep it quiet */
- call_all(core, core, s_standby, 0);
+ call_all(core, tuner, s_standby);
/* register everything */
return videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
diff --git a/linux/drivers/media/video/cx88/cx88-i2c.c b/linux/drivers/media/video/cx88/cx88-i2c.c
index 718f1ce69..680a8c889 100644
--- a/linux/drivers/media/video/cx88/cx88-i2c.c
+++ b/linux/drivers/media/video/cx88/cx88-i2c.c
@@ -142,7 +142,7 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
memcpy(&core->i2c_algo, &cx8800_i2c_algo_template,
sizeof(core->i2c_algo));
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
if (core->board.tuner_type != TUNER_ABSENT)
core->i2c_adap.class |= I2C_CLASS_TV_ANALOG;
if (core->board.mpeg & CX88_MPEG_DVB)
diff --git a/linux/drivers/media/video/cx88/cx88-mpeg.c b/linux/drivers/media/video/cx88/cx88-mpeg.c
index 32ed09172..ba083d249 100644
--- a/linux/drivers/media/video/cx88/cx88-mpeg.c
+++ b/linux/drivers/media/video/cx88/cx88-mpeg.c
@@ -487,7 +487,7 @@ static int cx8802_init_common(struct cx8802_dev *dev)
if (pci_enable_device(dev->pci))
return -EIO;
pci_set_master(dev->pci);
- if (!pci_dma_supported(dev->pci,DMA_32BIT_MASK)) {
+ if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) {
printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
return -EIO;
}
diff --git a/linux/drivers/media/video/cx88/cx88-tvaudio.c b/linux/drivers/media/video/cx88/cx88-tvaudio.c
index 0039354cf..76d42b3d8 100644
--- a/linux/drivers/media/video/cx88/cx88-tvaudio.c
+++ b/linux/drivers/media/video/cx88/cx88-tvaudio.c
@@ -167,6 +167,8 @@ static void set_audio_finish(struct cx88_core *core, u32 ctl)
/* unmute */
volume = cx_sread(SHADOW_AUD_VOL_CTL);
cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume);
+
+ core->last_change = jiffies;
}
/* ----------------------------------------------------------- */
@@ -749,6 +751,7 @@ void cx88_set_tvaudio(struct cx88_core *core)
break;
case WW_BG:
case WW_DK:
+ case WW_M:
case WW_I:
case WW_L:
/* prepare all dsp registers */
@@ -760,6 +763,7 @@ void cx88_set_tvaudio(struct cx88_core *core)
if (0 == cx88_detect_nicam(core)) {
/* fall back to fm / am mono */
set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
+ core->audiomode_current = V4L2_TUNER_MODE_MONO;
core->use_nicam = 0;
} else {
core->use_nicam = 1;
@@ -791,6 +795,7 @@ void cx88_set_tvaudio(struct cx88_core *core)
void cx88_newstation(struct cx88_core *core)
{
core->audiomode_manual = UNSET;
+ core->last_change = jiffies;
}
void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
@@ -809,44 +814,42 @@ void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
aud_ctl_names[cx_read(AUD_CTL) & 63]);
core->astat = reg;
-/* TODO
- Reading from AUD_STATUS is not enough
- for auto-detecting sap/dual-fm/nicam.
- Add some code here later.
-*/
-
-# if 0
t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP |
V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
- t->rxsubchans = V4L2_TUNER_SUB_MONO;
+ t->rxsubchans = UNSET;
t->audmode = V4L2_TUNER_MODE_MONO;
+ switch (mode) {
+ case 0:
+ t->audmode = V4L2_TUNER_MODE_STEREO;
+ break;
+ case 1:
+ t->audmode = V4L2_TUNER_MODE_LANG2;
+ break;
+ case 2:
+ t->audmode = V4L2_TUNER_MODE_MONO;
+ break;
+ case 3:
+ t->audmode = V4L2_TUNER_MODE_SAP;
+ break;
+ }
+
switch (core->tvaudio) {
case WW_BTSC:
- t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP;
- t->rxsubchans = V4L2_TUNER_SUB_STEREO;
- if (1 == pilot) {
- /* SAP */
- t->rxsubchans |= V4L2_TUNER_SUB_SAP;
- }
- break;
- case WW_A2_BG:
- case WW_A2_DK:
- case WW_A2_M:
- if (1 == pilot) {
- /* stereo */
- t->rxsubchans =
- V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
- if (0 == mode)
- t->audmode = V4L2_TUNER_MODE_STEREO;
- }
- if (2 == pilot) {
- /* dual language -- FIXME */
- t->rxsubchans =
- V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
- t->audmode = V4L2_TUNER_MODE_LANG1;
+ case WW_BG:
+ case WW_DK:
+ case WW_M:
+ case WW_EIAJ:
+ if (!core->use_nicam) {
+ t->rxsubchans = cx88_dsp_detect_stereo_sap(core);
+ break;
}
break;
+# if 0
+ /* TODO
+ Reading from AUD_STATUS is not enough
+ for auto-detecting sap/dual-fm/nicam.
+ */
case WW_NICAM_BGDKL:
if (0 == mode) {
t->audmode = V4L2_TUNER_MODE_STEREO;
@@ -859,11 +862,20 @@ void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
}
break;
+# endif
default:
/* nothing */
break;
}
-# endif
+
+ /* If software stereo detection is not supported... */
+ if (UNSET == t->rxsubchans) {
+ t->rxsubchans = V4L2_TUNER_SUB_MONO;
+ /* If the hardware itself detected stereo, also return
+ stereo as an available subchannel */
+ if (V4L2_TUNER_MODE_STEREO == t->audmode)
+ t->rxsubchans |= V4L2_TUNER_SUB_STEREO;
+ }
return;
}
@@ -900,6 +912,7 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
break;
case WW_BG:
case WW_DK:
+ case WW_M:
case WW_I:
case WW_L:
if (1 == core->use_nicam) {
@@ -925,20 +938,18 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
} else {
/* TODO: Add A2 autodection */
+ mask = 0x3f;
switch (mode) {
case V4L2_TUNER_MODE_MONO:
case V4L2_TUNER_MODE_LANG1:
- set_audio_standard_A2(core,
- EN_A2_FORCE_MONO1);
+ ctl = EN_A2_FORCE_MONO1;
break;
case V4L2_TUNER_MODE_LANG2:
- set_audio_standard_A2(core,
- EN_A2_FORCE_MONO2);
+ ctl = EN_A2_FORCE_MONO2;
break;
case V4L2_TUNER_MODE_STEREO:
case V4L2_TUNER_MODE_LANG1_LANG2:
- set_audio_standard_A2(core,
- EN_A2_FORCE_STEREO);
+ ctl = EN_A2_FORCE_STEREO;
break;
}
}
@@ -985,24 +996,39 @@ int cx88_audio_thread(void *data)
break;
try_to_freeze();
- /* just monitor the audio status for now ... */
- memset(&t, 0, sizeof(t));
- cx88_get_stereo(core, &t);
-
- if (UNSET != core->audiomode_manual)
- /* manually set, don't do anything. */
- continue;
-
- /* monitor signal */
- if (t.rxsubchans & V4L2_TUNER_SUB_STEREO)
- mode = V4L2_TUNER_MODE_STEREO;
- else
- mode = V4L2_TUNER_MODE_MONO;
- if (mode == core->audiomode_current)
- continue;
-
- /* automatically switch to best available mode */
- cx88_set_stereo(core, mode, 0);
+ switch (core->tvaudio) {
+ case WW_BG:
+ case WW_DK:
+ case WW_M:
+ case WW_I:
+ case WW_L:
+ if (core->use_nicam)
+ goto hw_autodetect;
+
+ /* just monitor the audio status for now ... */
+ memset(&t, 0, sizeof(t));
+ cx88_get_stereo(core, &t);
+
+ if (UNSET != core->audiomode_manual)
+ /* manually set, don't do anything. */
+ continue;
+
+ /* monitor signal and set stereo if available */
+ if (t.rxsubchans & V4L2_TUNER_SUB_STEREO)
+ mode = V4L2_TUNER_MODE_STEREO;
+ else
+ mode = V4L2_TUNER_MODE_MONO;
+ if (mode == core->audiomode_current)
+ continue;
+ /* automatically switch to best available mode */
+ cx88_set_stereo(core, mode, 0);
+ break;
+ default:
+hw_autodetect:
+ /* stereo autodetection is supported by hardware so
+ we don't need to do it manually. Do nothing. */
+ break;
+ }
}
dprintk("cx88: tvaudio thread exiting\n");
diff --git a/linux/drivers/media/video/cx88/cx88-video.c b/linux/drivers/media/video/cx88/cx88-video.c
index ea3920c8a..88a326f61 100644
--- a/linux/drivers/media/video/cx88/cx88-video.c
+++ b/linux/drivers/media/video/cx88/cx88-video.c
@@ -429,10 +429,8 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
routes for different inputs. HVR-1300 surely does */
if (core->board.audio_chip &&
core->board.audio_chip == V4L2_IDENT_WM8775) {
- struct v4l2_routing route;
-
- route.input = INPUT(input).audioroute;
- call_all(core, audio, s_routing, &route);
+ call_all(core, audio, s_routing,
+ INPUT(input).audioroute, 0, 0);
}
/* cx2388's C-ADC is connected to the tuner only.
When used with S-Video, that ADC is busy dealing with
@@ -1049,10 +1047,8 @@ static int video_open(struct file *file)
if (core->board.radio.audioroute) {
if(core->board.audio_chip &&
core->board.audio_chip == V4L2_IDENT_WM8775) {
- struct v4l2_routing route;
-
- route.input = core->board.radio.audioroute;
- call_all(core, audio, s_routing, &route);
+ call_all(core, audio, s_routing,
+ core->board.radio.audioroute, 0, 0);
}
/* "I2S ADC mode" */
core->tvaudio = WW_I2SADC;
@@ -1157,7 +1153,7 @@ static int video_release(struct file *file)
kfree(fh);
if(atomic_dec_and_test(&dev->core->users))
- call_all(dev->core, core, s_standby, 0);
+ call_all(dev->core, tuner, s_standby);
return 0;
}
@@ -2106,7 +2102,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
pci_set_master(pci_dev);
- if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
+ if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
err = -EIO;
goto fail_core;
@@ -2156,24 +2152,21 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
/* load and configure helper modules */
if (core->board.audio_chip == V4L2_IDENT_WM8775)
- v4l2_i2c_new_subdev(&core->i2c_adap,
+ v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
"wm8775", "wm8775", 0x36 >> 1);
if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
/* This probes for a tda9874 as is used on some
Pixelview Ultra boards. */
- static const unsigned short i2c_addr[] = {
- 0xb0 >> 1, I2C_CLIENT_END
- };
-
- v4l2_i2c_new_probed_subdev(&core->i2c_adap,
- "tvaudio", "tvaudio", i2c_addr);
+ v4l2_i2c_new_probed_subdev_addr(&core->v4l2_dev,
+ &core->i2c_adap,
+ "tvaudio", "tvaudio", 0xb0 >> 1);
}
switch (core->boardnr) {
case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
static struct i2c_board_info rtc_info = {
I2C_BOARD_INFO("isl1208", 0x6f)
};
diff --git a/linux/drivers/media/video/cx88/cx88.h b/linux/drivers/media/video/cx88/cx88.h
index e7fbe8aea..1cf6900e0 100644
--- a/linux/drivers/media/video/cx88/cx88.h
+++ b/linux/drivers/media/video/cx88/cx88.h
@@ -42,7 +42,7 @@
#include <linux/version.h>
#include <linux/mutex.h>
-#define CX88_VERSION_CODE KERNEL_VERSION(0,0,6)
+#define CX88_VERSION_CODE KERNEL_VERSION(0,0,7)
#define UNSET (-1U)
@@ -66,6 +66,8 @@
#define VBI_LINE_COUNT 17
#define VBI_LINE_LENGTH 2048
+#define AUD_RDS_LINES 4
+
/* need "shadow" registers for some write-only ones ... */
#define SHADOW_AUD_VOL_CTL 1
#define SHADOW_AUD_BAL_CTL 2
@@ -133,6 +135,7 @@ struct cx88_ctrl {
#define SRAM_CH25 4 /* audio */
#define SRAM_CH26 5
#define SRAM_CH28 6 /* mpeg */
+#define SRAM_CH27 7 /* audio rds */
/* more */
struct sram_channel {
@@ -354,6 +357,7 @@ struct cx88_core {
u32 input;
u32 astat;
u32 use_nicam;
+ unsigned long last_change;
/* IR remote control state */
struct cx88_IR *ir;
@@ -673,6 +677,7 @@ extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
#define WW_I2SPT 8
#define WW_FM 9
#define WW_I2SADC 10
+#define WW_M 11
void cx88_set_tvaudio(struct cx88_core *core);
void cx88_newstation(struct cx88_core *core);
@@ -686,6 +691,11 @@ struct cx8802_dev *cx8802_get_device(int minor);
struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
/* ----------------------------------------------------------- */
+/* cx88-dsp.c */
+
+s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
+
+/* ----------------------------------------------------------- */
/* cx88-input.c */
int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-29 14:19:58 +0000