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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 13:03:58 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 13:03:58 -0800 |
commit | f17578decc40df8fceff82b106582e30bdfb3189 (patch) | |
tree | 911a435a2094ac03ae649f020237674224e4124a /drivers/media/video/saa7115.c | |
parent | 682e852e2638ed0aff84aa51181c9e5d2f939562 (diff) | |
parent | cec418346e5a411e907293aba7cc21ac53c95834 (diff) | |
download | kernel_samsung_smdk4412-f17578decc40df8fceff82b106582e30bdfb3189.zip kernel_samsung_smdk4412-f17578decc40df8fceff82b106582e30bdfb3189.tar.gz kernel_samsung_smdk4412-f17578decc40df8fceff82b106582e30bdfb3189.tar.bz2 |
Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
Diffstat (limited to 'drivers/media/video/saa7115.c')
-rw-r--r-- | drivers/media/video/saa7115.c | 319 |
1 files changed, 150 insertions, 169 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 29e28c7..4a4bc69 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -39,31 +39,18 @@ #include <linux/i2c.h> #include <linux/videodev2.h> #include <media/v4l2-common.h> +#include <media/audiochip.h> +#include <asm/div64.h> MODULE_DESCRIPTION("Philips SAA7114/SAA7115 video decoder driver"); MODULE_AUTHOR("Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, Hans Verkuil"); MODULE_LICENSE("GPL"); static int debug = 0; -module_param(debug, int, 0644); +module_param(debug, bool, 0644); MODULE_PARM_DESC(debug, "Debug level (0-1)"); -#define saa7115_dbg(fmt,arg...) \ - do { \ - if (debug) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, \ - client->driver->driver.name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -#define saa7115_err(fmt, arg...) do { \ - printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) -#define saa7115_info(fmt, arg...) do { \ - printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) - static unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END }; @@ -73,12 +60,13 @@ struct saa7115_state { v4l2_std_id std; int input; int enable; + int radio; int bright; int contrast; int hue; int sat; enum v4l2_chip_ident ident; - enum v4l2_audio_clock_freq audclk_freq; + u32 audclk_freq; }; /* ----------------------------------------------------------------------- */ @@ -469,80 +457,6 @@ static const unsigned char saa7115_init_misc[] = { 0x00, 0x00 }; -/* ============== SAA7715 AUDIO settings ============= */ - -/* 48.0 kHz */ -static const unsigned char saa7115_cfg_48_audio[] = { - 0x34, 0xce, - 0x35, 0xfb, - 0x36, 0x30, - 0x00, 0x00 -}; - -/* 44.1 kHz */ -static const unsigned char saa7115_cfg_441_audio[] = { - 0x34, 0xf2, - 0x35, 0x00, - 0x36, 0x2d, - 0x00, 0x00 -}; - -/* 32.0 kHz */ -static const unsigned char saa7115_cfg_32_audio[] = { - 0x34, 0xdf, - 0x35, 0xa7, - 0x36, 0x20, - 0x00, 0x00 -}; - -/* 48.0 kHz 60hz */ -static const unsigned char saa7115_cfg_60hz_48_audio[] = { - 0x30, 0xcd, - 0x31, 0x20, - 0x32, 0x03, - 0x00, 0x00 -}; - -/* 48.0 kHz 50hz */ -static const unsigned char saa7115_cfg_50hz_48_audio[] = { - 0x30, 0x00, - 0x31, 0xc0, - 0x32, 0x03, - 0x00, 0x00 -}; - -/* 44.1 kHz 60hz */ -static const unsigned char saa7115_cfg_60hz_441_audio[] = { - 0x30, 0xbc, - 0x31, 0xdf, - 0x32, 0x02, - 0x00, 0x00 -}; - -/* 44.1 kHz 50hz */ -static const unsigned char saa7115_cfg_50hz_441_audio[] = { - 0x30, 0x00, - 0x31, 0x72, - 0x32, 0x03, - 0x00, 0x00 -}; - -/* 32.0 kHz 60hz */ -static const unsigned char saa7115_cfg_60hz_32_audio[] = { - 0x30, 0xde, - 0x31, 0x15, - 0x32, 0x02, - 0x00, 0x00 -}; - -/* 32.0 kHz 50hz */ -static const unsigned char saa7115_cfg_50hz_32_audio[] = { - 0x30, 0x00, - 0x31, 0x80, - 0x32, 0x02, - 0x00, 0x00 -}; - static int saa7115_odd_parity(u8 c) { c ^= (c >> 4); @@ -627,40 +541,38 @@ static int saa7115_decode_wss(u8 * p) } -static int saa7115_set_audio_clock_freq(struct i2c_client *client, enum v4l2_audio_clock_freq freq) +static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq) { struct saa7115_state *state = i2c_get_clientdata(client); + u32 acpf; + u32 acni; + u32 hz; + u64 f; - saa7115_dbg("set audio clock freq: %d\n", freq); - switch (freq) { - case V4L2_AUDCLK_32_KHZ: - saa7115_writeregs(client, saa7115_cfg_32_audio); - if (state->std & V4L2_STD_525_60) { - saa7115_writeregs(client, saa7115_cfg_60hz_32_audio); - } else { - saa7115_writeregs(client, saa7115_cfg_50hz_32_audio); - } - break; - case V4L2_AUDCLK_441_KHZ: - saa7115_writeregs(client, saa7115_cfg_441_audio); - if (state->std & V4L2_STD_525_60) { - saa7115_writeregs(client, saa7115_cfg_60hz_441_audio); - } else { - saa7115_writeregs(client, saa7115_cfg_50hz_441_audio); - } - break; - case V4L2_AUDCLK_48_KHZ: - saa7115_writeregs(client, saa7115_cfg_48_audio); - if (state->std & V4L2_STD_525_60) { - saa7115_writeregs(client, saa7115_cfg_60hz_48_audio); - } else { - saa7115_writeregs(client, saa7115_cfg_50hz_48_audio); - } - break; - default: - saa7115_dbg("invalid audio setting %d\n", freq); - return -EINVAL; - } + v4l_dbg(1, client, "set audio clock freq: %d\n", freq); + + /* sanity check */ + if (freq < 32000 || freq > 48000) + return -EINVAL; + + /* hz is the refresh rate times 100 */ + hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000; + /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */ + acpf = (25600 * freq) / hz; + /* acni = (256 * freq * 2^23) / crystal_frequency = + (freq * 2^(8+23)) / crystal_frequency = + (freq << 31) / 32.11 MHz */ + f = freq; + f = f << 31; + do_div(f, 32110000); + acni = f; + + saa7115_write(client, 0x30, acpf & 0xff); + saa7115_write(client, 0x31, (acpf >> 8) & 0xff); + saa7115_write(client, 0x32, (acpf >> 16) & 0x03); + saa7115_write(client, 0x34, acni & 0xff); + saa7115_write(client, 0x35, (acni >> 8) & 0xff); + saa7115_write(client, 0x36, (acni >> 16) & 0x3f); state->audclk_freq = freq; return 0; } @@ -672,7 +584,7 @@ static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *c switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: if (ctrl->value < 0 || ctrl->value > 255) { - saa7115_err("invalid brightness setting %d\n", ctrl->value); + v4l_err(client, "invalid brightness setting %d\n", ctrl->value); return -ERANGE; } @@ -682,7 +594,7 @@ static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *c case V4L2_CID_CONTRAST: if (ctrl->value < 0 || ctrl->value > 127) { - saa7115_err("invalid contrast setting %d\n", ctrl->value); + v4l_err(client, "invalid contrast setting %d\n", ctrl->value); return -ERANGE; } @@ -692,7 +604,7 @@ static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *c case V4L2_CID_SATURATION: if (ctrl->value < 0 || ctrl->value > 127) { - saa7115_err("invalid saturation setting %d\n", ctrl->value); + v4l_err(client, "invalid saturation setting %d\n", ctrl->value); return -ERANGE; } @@ -702,13 +614,16 @@ static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *c case V4L2_CID_HUE: if (ctrl->value < -127 || ctrl->value > 127) { - saa7115_err("invalid hue setting %d\n", ctrl->value); + v4l_err(client, "invalid hue setting %d\n", ctrl->value); return -ERANGE; } state->hue = ctrl->value; saa7115_write(client, 0x0d, state->hue); break; + + default: + return -EINVAL; } return 0; @@ -743,12 +658,22 @@ static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std) struct saa7115_state *state = i2c_get_clientdata(client); int taskb = saa7115_read(client, 0x80) & 0x10; + /* Prevent unnecessary standard changes. During a standard + change the I-Port is temporarily disabled. Any devices + reading from that port can get confused. + Note that VIDIOC_S_STD is also used to switch from + radio to TV mode, so if a VIDIOC_S_STD is broadcast to + all I2C devices then you do not want to have an unwanted + side-effect here. */ + if (std == state->std) + return; + // This works for NTSC-M, SECAM-L and the 50Hz PAL variants. if (std & V4L2_STD_525_60) { - saa7115_dbg("decoder set standard 60 Hz\n"); + v4l_dbg(1, client, "decoder set standard 60 Hz\n"); saa7115_writeregs(client, saa7115_cfg_60hz_video); } else { - saa7115_dbg("decoder set standard 50 Hz\n"); + v4l_dbg(1, client, "decoder set standard 50 Hz\n"); saa7115_writeregs(client, saa7115_cfg_50hz_video); } @@ -773,24 +698,17 @@ static v4l2_std_id saa7115_get_v4lstd(struct i2c_client *client) static void saa7115_log_status(struct i2c_client *client) { struct saa7115_state *state = i2c_get_clientdata(client); - char *audfreq = "undefined"; int reg1e, reg1f; int signalOk; int vcr; - switch (state->audclk_freq) { - case V4L2_AUDCLK_32_KHZ: audfreq = "32 kHz"; break; - case V4L2_AUDCLK_441_KHZ: audfreq = "44.1 kHz"; break; - case V4L2_AUDCLK_48_KHZ: audfreq = "48 kHz"; break; - } - - saa7115_info("Audio frequency: %s\n", audfreq); + v4l_info(client, "Audio frequency: %d Hz\n", state->audclk_freq); if (client->name[6] == '4') { /* status for the saa7114 */ reg1f = saa7115_read(client, 0x1f); signalOk = (reg1f & 0xc1) == 0x81; - saa7115_info("Video signal: %s\n", signalOk ? "ok" : "bad"); - saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz"); + v4l_info(client, "Video signal: %s\n", signalOk ? "ok" : "bad"); + v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz"); return; } @@ -801,21 +719,26 @@ static void saa7115_log_status(struct i2c_client *client) signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80; vcr = !(reg1f & 0x10); - saa7115_info("Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad"); - saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz"); + if (state->input >= 6) { + v4l_info(client, "Input: S-Video %d\n", state->input - 6); + } else { + v4l_info(client, "Input: Composite %d\n", state->input); + } + v4l_info(client, "Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad"); + v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz"); switch (reg1e & 0x03) { case 1: - saa7115_info("Detected format: NTSC\n"); + v4l_info(client, "Detected format: NTSC\n"); break; case 2: - saa7115_info("Detected format: PAL\n"); + v4l_info(client, "Detected format: PAL\n"); break; case 3: - saa7115_info("Detected format: SECAM\n"); + v4l_info(client, "Detected format: SECAM\n"); break; default: - saa7115_info("Detected format: BW/No color\n"); + v4l_info(client, "Detected format: BW/No color\n"); break; } } @@ -940,7 +863,7 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt pix = &(fmt->fmt.pix); - saa7115_dbg("decoder set size\n"); + v4l_dbg(1, client, "decoder set size\n"); /* FIXME need better bounds checking here */ if ((pix->width < 1) || (pix->width > 1440)) @@ -966,7 +889,7 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt HPSC = HPSC ? HPSC : 1; HFSC = (int)((1024 * 720) / (HPSC * pix->width)); - saa7115_dbg("Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC); + v4l_dbg(1, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC); /* FIXME hardcodes to "Task B" * write H prescaler integer */ saa7115_write(client, 0xd0, (u8) (HPSC & 0x3f)); @@ -980,10 +903,10 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt saa7115_write(client, 0xDD, (u8) ((HFSC >> 9) & 0xff)); } else { if (is_50hz) { - saa7115_dbg("Setting full 50hz width\n"); + v4l_dbg(1, client, "Setting full 50hz width\n"); saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x); } else { - saa7115_dbg("Setting full 60hz width\n"); + v4l_dbg(1, client, "Setting full 60hz width\n"); saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); } } @@ -992,7 +915,7 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt if (pix->height != Vsrc) { VSCY = (int)((1024 * Vsrc) / pix->height); - saa7115_dbg("Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY); + v4l_dbg(1, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY); /* Correct Contrast and Luminance */ saa7115_write(client, 0xd5, (u8) (64 * 1024 / VSCY)); @@ -1006,10 +929,10 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt saa7115_write(client, 0xe3, (u8) ((VSCY >> 8) & 0xff)); } else { if (is_50hz) { - saa7115_dbg("Setting full 50Hz height\n"); + v4l_dbg(1, client, "Setting full 50Hz height\n"); saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y); } else { - saa7115_dbg("Setting full 60hz height\n"); + v4l_dbg(1, client, "Setting full 60hz height\n"); saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); } } @@ -1089,6 +1012,48 @@ static void saa7115_decode_vbi_line(struct i2c_client *client, /* ============ SAA7115 AUDIO settings (end) ============= */ +static struct v4l2_queryctrl saa7115_qctrl[] = { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 128, + .flags = 0, + }, { + .id = V4L2_CID_CONTRAST, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Contrast", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 64, + .flags = 0, + }, { + .id = V4L2_CID_SATURATION, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Saturation", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 64, + .flags = 0, + }, { + .id = V4L2_CID_HUE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Hue", + .minimum = -128, + .maximum = 127, + .step = 1, + .default_value = 0, + .flags = 0, + }, +}; + +/* ----------------------------------------------------------------------- */ + static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct saa7115_state *state = i2c_get_clientdata(client); @@ -1103,16 +1068,18 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar return saa7115_get_v4lfmt(client, (struct v4l2_format *)arg); case VIDIOC_INT_AUDIO_CLOCK_FREQ: - return saa7115_set_audio_clock_freq(client, *(enum v4l2_audio_clock_freq *)arg); + return saa7115_set_audio_clock_freq(client, *(u32 *)arg); case VIDIOC_G_TUNER: { struct v4l2_tuner *vt = arg; int status; + if (state->radio) + break; status = saa7115_read(client, 0x1f); - saa7115_dbg("status: 0x%02x\n", status); + v4l_dbg(1, client, "status: 0x%02x\n", status); vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0; break; } @@ -1127,20 +1094,38 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar case VIDIOC_S_CTRL: return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg); + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *qc = arg; + int i; + + for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++) + if (qc->id && qc->id == saa7115_qctrl[i].id) { + memcpy(qc, &saa7115_qctrl[i], sizeof(*qc)); + return 0; + } + return -EINVAL; + } + case VIDIOC_G_STD: *(v4l2_std_id *)arg = saa7115_get_v4lstd(client); break; case VIDIOC_S_STD: + state->radio = 0; saa7115_set_v4lstd(client, *(v4l2_std_id *)arg); break; + case AUDC_SET_RADIO: + state->radio = 1; + break; + case VIDIOC_G_INPUT: *(int *)arg = state->input; break; case VIDIOC_S_INPUT: - saa7115_dbg("decoder set input %d\n", *iarg); + v4l_dbg(1, client, "decoder set input %d\n", *iarg); /* inputs from 0-9 are available */ if (*iarg < 0 || *iarg > 9) { return -EINVAL; @@ -1148,7 +1133,7 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar if (state->input == *iarg) break; - saa7115_dbg("now setting %s input\n", + v4l_dbg(1, client, "now setting %s input\n", *iarg >= 6 ? "S-Video" : "Composite"); state->input = *iarg; @@ -1165,7 +1150,7 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: - saa7115_dbg("%s output\n", + v4l_dbg(1, client, "%s output\n", (cmd == VIDIOC_STREAMON) ? "enable" : "disable"); if (state->enable != (cmd == VIDIOC_STREAMON)) { @@ -1179,7 +1164,7 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar break; case VIDIOC_INT_RESET: - saa7115_dbg("decoder RESET\n"); + v4l_dbg(1, client, "decoder RESET\n"); saa7115_writeregs(client, saa7115_cfg_reset_scaler); break; @@ -1273,19 +1258,19 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) client->driver = &i2c_driver_saa7115; snprintf(client->name, sizeof(client->name) - 1, "saa7115"); - saa7115_dbg("detecting saa7115 client on address 0x%x\n", address << 1); + v4l_dbg(1, client, "detecting saa7115 client on address 0x%x\n", address << 1); saa7115_write(client, 0, 5); chip_id = saa7115_read(client, 0) & 0x0f; if (chip_id != 4 && chip_id != 5) { - saa7115_dbg("saa7115 not found\n"); + v4l_dbg(1, client, "saa7115 not found\n"); kfree(client); return 0; } if (chip_id == 4) { snprintf(client->name, sizeof(client->name) - 1, "saa7114"); } - saa7115_info("saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name); + v4l_info(client, "saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name); state = kmalloc(sizeof(struct saa7115_state), GFP_KERNEL); i2c_set_clientdata(client, state); @@ -1297,14 +1282,15 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) state->std = V4L2_STD_NTSC; state->input = -1; state->enable = 1; + state->radio = 0; state->bright = 128; state->contrast = 64; state->hue = 0; state->sat = 64; state->ident = (chip_id == 4) ? V4L2_IDENT_SAA7114 : V4L2_IDENT_SAA7115; - state->audclk_freq = V4L2_AUDCLK_48_KHZ; + state->audclk_freq = 48000; - saa7115_dbg("writing init values\n"); + v4l_dbg(1, client, "writing init values\n"); /* init to 60hz/48khz */ saa7115_writeregs(client, saa7115_init_auto_input); @@ -1312,13 +1298,12 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y); saa7115_writeregs(client, saa7115_cfg_60hz_video); - saa7115_writeregs(client, saa7115_cfg_48_audio); - saa7115_writeregs(client, saa7115_cfg_60hz_48_audio); + saa7115_set_audio_clock_freq(client, state->audclk_freq); saa7115_writeregs(client, saa7115_cfg_reset_scaler); i2c_attach_client(client); - saa7115_dbg("status: (1E) 0x%02x, (1F) 0x%02x\n", + v4l_dbg(1, client, "status: (1E) 0x%02x, (1F) 0x%02x\n", saa7115_read(client, 0x1e), saa7115_read(client, 0x1f)); return 0; @@ -1326,11 +1311,7 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind) static int saa7115_probe(struct i2c_adapter *adapter) { -#ifdef I2C_CLASS_TV_ANALOG if (adapter->class & I2C_CLASS_TV_ANALOG) -#else - if (adapter->id == I2C_HW_B_BT848) -#endif return i2c_probe(adapter, &addr_data, &saa7115_attach); return 0; } |