diff options
Diffstat (limited to 'drivers/media/video/saa7191.c')
| -rw-r--r-- | drivers/media/video/saa7191.c | 500 |
1 files changed, 176 insertions, 324 deletions
diff --git a/drivers/media/video/saa7191.c b/drivers/media/video/saa7191.c index b4018cce328..3f523aeec56 100644 --- a/drivers/media/video/saa7191.c +++ b/drivers/media/video/saa7191.c @@ -19,9 +19,11 @@ #include <linux/mm.h> #include <linux/slab.h> -#include <linux/videodev.h> -#include <linux/video_decoder.h> +#include <linux/videodev2.h> #include <linux/i2c.h> +#include <media/v4l2-device.h> +#include <media/v4l2-chip-ident.h> +#include <media/v4l2-i2c-drv.h> #include "saa7191.h" @@ -32,6 +34,7 @@ MODULE_VERSION(SAA7191_MODULE_VERSION); MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>"); MODULE_LICENSE("GPL"); + // #define SAA7191_DEBUG #ifdef SAA7191_DEBUG @@ -44,17 +47,20 @@ MODULE_LICENSE("GPL"); #define SAA7191_SYNC_DELAY 100 /* milliseconds */ struct saa7191 { - struct i2c_client *client; + struct v4l2_subdev sd; /* the register values are stored here as the actual * I2C-registers are write-only */ u8 reg[25]; int input; - int norm; + v4l2_std_id norm; }; -static struct i2c_driver i2c_driver_saa7191; +static inline struct saa7191 *to_saa7191(struct v4l2_subdev *sd) +{ + return container_of(sd, struct saa7191, sd); +} static const u8 initseq[] = { 0, /* Subaddress */ @@ -100,15 +106,14 @@ static const u8 initseq[] = { /* SAA7191 register handling */ -static u8 saa7191_read_reg(struct i2c_client *client, - u8 reg) +static u8 saa7191_read_reg(struct v4l2_subdev *sd, u8 reg) { - return ((struct saa7191 *)i2c_get_clientdata(client))->reg[reg]; + return to_saa7191(sd)->reg[reg]; } -static int saa7191_read_status(struct i2c_client *client, - u8 *value) +static int saa7191_read_status(struct v4l2_subdev *sd, u8 *value) { + struct i2c_client *client = v4l2_get_subdevdata(sd); int ret; ret = i2c_master_recv(client, value, 1); @@ -121,21 +126,23 @@ static int saa7191_read_status(struct i2c_client *client, } -static int saa7191_write_reg(struct i2c_client *client, u8 reg, - u8 value) +static int saa7191_write_reg(struct v4l2_subdev *sd, u8 reg, u8 value) { - ((struct saa7191 *)i2c_get_clientdata(client))->reg[reg] = value; + struct i2c_client *client = v4l2_get_subdevdata(sd); + + to_saa7191(sd)->reg[reg] = value; return i2c_smbus_write_byte_data(client, reg, value); } /* the first byte of data must be the first subaddress number (register) */ -static int saa7191_write_block(struct i2c_client *client, +static int saa7191_write_block(struct v4l2_subdev *sd, u8 length, const u8 *data) { + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct saa7191 *decoder = to_saa7191(sd); int i; int ret; - struct saa7191 *decoder = (struct saa7191 *)i2c_get_clientdata(client); for (i = 0; i < (length - 1); i++) { decoder->reg[data[0] + i] = data[i + 1]; } @@ -152,14 +159,15 @@ static int saa7191_write_block(struct i2c_client *client, /* Helper functions */ -static int saa7191_set_input(struct i2c_client *client, int input) +static int saa7191_s_routing(struct v4l2_subdev *sd, + const struct v4l2_routing *route) { - struct saa7191 *decoder = i2c_get_clientdata(client); - u8 luma = saa7191_read_reg(client, SAA7191_REG_LUMA); - u8 iock = saa7191_read_reg(client, SAA7191_REG_IOCK); + struct saa7191 *decoder = to_saa7191(sd); + u8 luma = saa7191_read_reg(sd, SAA7191_REG_LUMA); + u8 iock = saa7191_read_reg(sd, SAA7191_REG_IOCK); int err; - switch (input) { + switch (route->input) { case SAA7191_INPUT_COMPOSITE: /* Set Composite input */ iock &= ~(SAA7191_IOCK_CHRS | SAA7191_IOCK_GPSW1 | SAA7191_IOCK_GPSW2); @@ -175,54 +183,50 @@ static int saa7191_set_input(struct i2c_client *client, int input) return -EINVAL; } - err = saa7191_write_reg(client, SAA7191_REG_LUMA, luma); + err = saa7191_write_reg(sd, SAA7191_REG_LUMA, luma); if (err) return -EIO; - err = saa7191_write_reg(client, SAA7191_REG_IOCK, iock); + err = saa7191_write_reg(sd, SAA7191_REG_IOCK, iock); if (err) return -EIO; - decoder->input = input; + decoder->input = route->input; return 0; } -static int saa7191_set_norm(struct i2c_client *client, int norm) +static int saa7191_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) { - struct saa7191 *decoder = i2c_get_clientdata(client); - u8 stdc = saa7191_read_reg(client, SAA7191_REG_STDC); - u8 ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3); - u8 chcv = saa7191_read_reg(client, SAA7191_REG_CHCV); + struct saa7191 *decoder = to_saa7191(sd); + u8 stdc = saa7191_read_reg(sd, SAA7191_REG_STDC); + u8 ctl3 = saa7191_read_reg(sd, SAA7191_REG_CTL3); + u8 chcv = saa7191_read_reg(sd, SAA7191_REG_CHCV); int err; - switch(norm) { - case SAA7191_NORM_PAL: + if (norm & V4L2_STD_PAL) { stdc &= ~SAA7191_STDC_SECS; ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL); chcv = SAA7191_CHCV_PAL; - break; - case SAA7191_NORM_NTSC: + } else if (norm & V4L2_STD_NTSC) { stdc &= ~SAA7191_STDC_SECS; ctl3 &= ~SAA7191_CTL3_AUFD; ctl3 |= SAA7191_CTL3_FSEL; chcv = SAA7191_CHCV_NTSC; - break; - case SAA7191_NORM_SECAM: + } else if (norm & V4L2_STD_SECAM) { stdc |= SAA7191_STDC_SECS; ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL); chcv = SAA7191_CHCV_PAL; - break; - default: + } else { return -EINVAL; } - err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); + err = saa7191_write_reg(sd, SAA7191_REG_CTL3, ctl3); if (err) return -EIO; - err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc); + err = saa7191_write_reg(sd, SAA7191_REG_STDC, stdc); if (err) return -EIO; - err = saa7191_write_reg(client, SAA7191_REG_CHCV, chcv); + err = saa7191_write_reg(sd, SAA7191_REG_CHCV, chcv); if (err) return -EIO; @@ -230,19 +234,19 @@ static int saa7191_set_norm(struct i2c_client *client, int norm) dprintk("ctl3: %02x stdc: %02x chcv: %02x\n", ctl3, stdc, chcv); - dprintk("norm: %d\n", norm); + dprintk("norm: %llx\n", norm); return 0; } -static int saa7191_wait_for_signal(struct i2c_client *client, u8 *status) +static int saa7191_wait_for_signal(struct v4l2_subdev *sd, u8 *status) { int i = 0; dprintk("Checking for signal...\n"); for (i = 0; i < SAA7191_SYNC_COUNT; i++) { - if (saa7191_read_status(client, status)) + if (saa7191_read_status(sd, status)) return -EIO; if (((*status) & SAA7191_STATUS_HLCK) == 0) { @@ -258,31 +262,34 @@ static int saa7191_wait_for_signal(struct i2c_client *client, u8 *status) return -EBUSY; } -static int saa7191_autodetect_norm_extended(struct i2c_client *client) +static int saa7191_querystd(struct v4l2_subdev *sd, v4l2_std_id *norm) { - u8 stdc = saa7191_read_reg(client, SAA7191_REG_STDC); - u8 ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3); + struct saa7191 *decoder = to_saa7191(sd); + u8 stdc = saa7191_read_reg(sd, SAA7191_REG_STDC); + u8 ctl3 = saa7191_read_reg(sd, SAA7191_REG_CTL3); u8 status; + v4l2_std_id old_norm = decoder->norm; int err = 0; dprintk("SAA7191 extended signal auto-detection...\n"); + *norm = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; stdc &= ~SAA7191_STDC_SECS; ctl3 &= ~(SAA7191_CTL3_FSEL); - err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc); + err = saa7191_write_reg(sd, SAA7191_REG_STDC, stdc); if (err) { err = -EIO; goto out; } - err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); + err = saa7191_write_reg(sd, SAA7191_REG_CTL3, ctl3); if (err) { err = -EIO; goto out; } ctl3 |= SAA7191_CTL3_AUFD; - err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); + err = saa7191_write_reg(sd, SAA7191_REG_CTL3, ctl3); if (err) { err = -EIO; goto out; @@ -290,53 +297,54 @@ static int saa7191_autodetect_norm_extended(struct i2c_client *client) msleep(SAA7191_SYNC_DELAY); - err = saa7191_wait_for_signal(client, &status); + err = saa7191_wait_for_signal(sd, &status); if (err) goto out; if (status & SAA7191_STATUS_FIDT) { /* 60Hz signal -> NTSC */ dprintk("60Hz signal: NTSC\n"); - return saa7191_set_norm(client, SAA7191_NORM_NTSC); + *norm = V4L2_STD_NTSC; + return 0; } /* 50Hz signal */ dprintk("50Hz signal: Trying PAL...\n"); /* try PAL first */ - err = saa7191_set_norm(client, SAA7191_NORM_PAL); + err = saa7191_s_std(sd, V4L2_STD_PAL); if (err) goto out; msleep(SAA7191_SYNC_DELAY); - err = saa7191_wait_for_signal(client, &status); + err = saa7191_wait_for_signal(sd, &status); if (err) goto out; /* not 50Hz ? */ if (status & SAA7191_STATUS_FIDT) { dprintk("No 50Hz signal\n"); - err = -EAGAIN; - goto out; + saa7191_s_std(sd, old_norm); + return -EAGAIN; } if (status & SAA7191_STATUS_CODE) { dprintk("PAL\n"); - return 0; + *norm = V4L2_STD_PAL; + return saa7191_s_std(sd, old_norm); } dprintk("No color detected with PAL - Trying SECAM...\n"); /* no color detected ? -> try SECAM */ - err = saa7191_set_norm(client, - SAA7191_NORM_SECAM); + err = saa7191_s_std(sd, V4L2_STD_SECAM); if (err) goto out; msleep(SAA7191_SYNC_DELAY); - err = saa7191_wait_for_signal(client, &status); + err = saa7191_wait_for_signal(sd, &status); if (err) goto out; @@ -350,32 +358,17 @@ static int saa7191_autodetect_norm_extended(struct i2c_client *client) if (status & SAA7191_STATUS_CODE) { /* Color detected -> SECAM */ dprintk("SECAM\n"); - return 0; + *norm = V4L2_STD_SECAM; + return saa7191_s_std(sd, old_norm); } dprintk("No color detected with SECAM - Going back to PAL.\n"); - /* still no color detected ? - * -> set norm back to PAL */ - err = saa7191_set_norm(client, - SAA7191_NORM_PAL); - if (err) - goto out; - out: - ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3); - if (ctl3 & SAA7191_CTL3_AUFD) { - ctl3 &= ~(SAA7191_CTL3_AUFD); - err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); - if (err) { - err = -EIO; - } - } - - return err; + return saa7191_s_std(sd, old_norm); } -static int saa7191_autodetect_norm(struct i2c_client *client) +static int saa7191_autodetect_norm(struct v4l2_subdev *sd) { u8 status; @@ -383,7 +376,7 @@ static int saa7191_autodetect_norm(struct i2c_client *client) dprintk("Reading status...\n"); - if (saa7191_read_status(client, &status)) + if (saa7191_read_status(sd, &status)) return -EIO; dprintk("Checking for signal...\n"); @@ -399,26 +392,25 @@ static int saa7191_autodetect_norm(struct i2c_client *client) if (status & SAA7191_STATUS_FIDT) { /* 60hz signal -> NTSC */ dprintk("NTSC\n"); - return saa7191_set_norm(client, SAA7191_NORM_NTSC); + return saa7191_s_std(sd, V4L2_STD_NTSC); } else { /* 50hz signal -> PAL */ dprintk("PAL\n"); - return saa7191_set_norm(client, SAA7191_NORM_PAL); + return saa7191_s_std(sd, V4L2_STD_PAL); } } -static int saa7191_get_control(struct i2c_client *client, - struct saa7191_control *ctrl) +static int saa7191_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { u8 reg; int ret = 0; - switch (ctrl->type) { + switch (ctrl->id) { case SAA7191_CONTROL_BANDPASS: case SAA7191_CONTROL_BANDPASS_WEIGHT: case SAA7191_CONTROL_CORING: - reg = saa7191_read_reg(client, SAA7191_REG_LUMA); - switch (ctrl->type) { + reg = saa7191_read_reg(sd, SAA7191_REG_LUMA); + switch (ctrl->id) { case SAA7191_CONTROL_BANDPASS: ctrl->value = ((s32)reg & SAA7191_LUMA_BPSS_MASK) >> SAA7191_LUMA_BPSS_SHIFT; @@ -435,15 +427,15 @@ static int saa7191_get_control(struct i2c_client *client, break; case SAA7191_CONTROL_FORCE_COLOUR: case SAA7191_CONTROL_CHROMA_GAIN: - reg = saa7191_read_reg(client, SAA7191_REG_GAIN); - if (ctrl->type == SAA7191_CONTROL_FORCE_COLOUR) + reg = saa7191_read_reg(sd, SAA7191_REG_GAIN); + if (ctrl->id == SAA7191_CONTROL_FORCE_COLOUR) ctrl->value = ((s32)reg & SAA7191_GAIN_COLO) ? 1 : 0; else ctrl->value = ((s32)reg & SAA7191_GAIN_LFIS_MASK) >> SAA7191_GAIN_LFIS_SHIFT; break; - case SAA7191_CONTROL_HUE: - reg = saa7191_read_reg(client, SAA7191_REG_HUEC); + case V4L2_CID_HUE: + reg = saa7191_read_reg(sd, SAA7191_REG_HUEC); if (reg < 0x80) reg += 0x80; else @@ -451,18 +443,18 @@ static int saa7191_get_control(struct i2c_client *client, ctrl->value = (s32)reg; break; case SAA7191_CONTROL_VTRC: - reg = saa7191_read_reg(client, SAA7191_REG_STDC); + reg = saa7191_read_reg(sd, SAA7191_REG_STDC); ctrl->value = ((s32)reg & SAA7191_STDC_VTRC) ? 1 : 0; break; case SAA7191_CONTROL_LUMA_DELAY: - reg = saa7191_read_reg(client, SAA7191_REG_CTL3); + reg = saa7191_read_reg(sd, SAA7191_REG_CTL3); ctrl->value = ((s32)reg & SAA7191_CTL3_YDEL_MASK) >> SAA7191_CTL3_YDEL_SHIFT; if (ctrl->value >= 4) ctrl->value -= 8; break; case SAA7191_CONTROL_VNR: - reg = saa7191_read_reg(client, SAA7191_REG_CTL4); + reg = saa7191_read_reg(sd, SAA7191_REG_CTL4); ctrl->value = ((s32)reg & SAA7191_CTL4_VNOI_MASK) >> SAA7191_CTL4_VNOI_SHIFT; break; @@ -473,18 +465,17 @@ static int saa7191_get_control(struct i2c_client *client, return ret; } -static int saa7191_set_control(struct i2c_client *client, - struct saa7191_control *ctrl) +static int saa7191_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { u8 reg; int ret = 0; - switch (ctrl->type) { + switch (ctrl->id) { case SAA7191_CONTROL_BANDPASS: case SAA7191_CONTROL_BANDPASS_WEIGHT: case SAA7191_CONTROL_CORING: - reg = saa7191_read_reg(client, SAA7191_REG_LUMA); - switch (ctrl->type) { + reg = saa7191_read_reg(sd, SAA7191_REG_LUMA); + switch (ctrl->id) { case SAA7191_CONTROL_BANDPASS: reg &= ~SAA7191_LUMA_BPSS_MASK; reg |= (ctrl->value << SAA7191_LUMA_BPSS_SHIFT) @@ -501,12 +492,12 @@ static int saa7191_set_control(struct i2c_client *client, & SAA7191_LUMA_CORI_MASK; break; } - ret = saa7191_write_reg(client, SAA7191_REG_LUMA, reg); + ret = saa7191_write_reg(sd, SAA7191_REG_LUMA, reg); break; case SAA7191_CONTROL_FORCE_COLOUR: case SAA7191_CONTROL_CHROMA_GAIN: - reg = saa7191_read_reg(client, SAA7191_REG_GAIN); - if (ctrl->type == SAA7191_CONTROL_FORCE_COLOUR) { + reg = saa7191_read_reg(sd, SAA7191_REG_GAIN); + if (ctrl->id == SAA7191_CONTROL_FORCE_COLOUR) { if (ctrl->value) reg |= SAA7191_GAIN_COLO; else @@ -516,41 +507,41 @@ static int saa7191_set_control(struct i2c_client *client, reg |= (ctrl->value << SAA7191_GAIN_LFIS_SHIFT) & SAA7191_GAIN_LFIS_MASK; } - ret = saa7191_write_reg(client, SAA7191_REG_GAIN, reg); + ret = saa7191_write_reg(sd, SAA7191_REG_GAIN, reg); break; - case SAA7191_CONTROL_HUE: + case V4L2_CID_HUE: reg = ctrl->value & 0xff; if (reg < 0x80) reg += 0x80; else reg -= 0x80; - ret = saa7191_write_reg(client, SAA7191_REG_HUEC, reg); + ret = saa7191_write_reg(sd, SAA7191_REG_HUEC, reg); break; case SAA7191_CONTROL_VTRC: - reg = saa7191_read_reg(client, SAA7191_REG_STDC); + reg = saa7191_read_reg(sd, SAA7191_REG_STDC); if (ctrl->value) reg |= SAA7191_STDC_VTRC; else reg &= ~SAA7191_STDC_VTRC; - ret = saa7191_write_reg(client, SAA7191_REG_STDC, reg); + ret = saa7191_write_reg(sd, SAA7191_REG_STDC, reg); break; case SAA7191_CONTROL_LUMA_DELAY: { s32 value = ctrl->value; if (value < 0) value += 8; - reg = saa7191_read_reg(client, SAA7191_REG_CTL3); + reg = saa7191_read_reg(sd, SAA7191_REG_CTL3); reg &= ~SAA7191_CTL3_YDEL_MASK; reg |= (value << SAA7191_CTL3_YDEL_SHIFT) & SAA7191_CTL3_YDEL_MASK; - ret = saa7191_write_reg(client, SAA7191_REG_CTL3, reg); + ret = saa7191_write_reg(sd, SAA7191_REG_CTL3, reg); break; } case SAA7191_CONTROL_VNR: - reg = saa7191_read_reg(client, SAA7191_REG_CTL4); + reg = saa7191_read_reg(sd, SAA7191_REG_CTL4); reg &= ~SAA7191_CTL4_VNOI_MASK; reg |= (ctrl->value << SAA7191_CTL4_VNOI_SHIFT) & SAA7191_CTL4_VNOI_MASK; - ret = saa7191_write_reg(client, SAA7191_REG_CTL4, reg); + ret = saa7191_write_reg(sd, SAA7191_REG_CTL4, reg); break; default: ret = -EINVAL; @@ -561,247 +552,108 @@ static int saa7191_set_control(struct i2c_client *client, /* I2C-interface */ -static int saa7191_attach(struct i2c_adapter *adap, int addr, int kind) +static int saa7191_g_input_status(struct v4l2_subdev *sd, u32 *status) { - int err = 0; - struct saa7191 *decoder; - struct i2c_client *client; - - printk(KERN_INFO "Philips SAA7191 driver version %s\n", - SAA7191_MODULE_VERSION); - - client = kzalloc(sizeof(*client), GFP_KERNEL); - if (!client) - return -ENOMEM; - decoder = kzalloc(sizeof(*decoder), GFP_KERNEL); - if (!decoder) { - err = -ENOMEM; - goto out_free_client; - } - - client->addr = addr; - client->adapter = adap; - client->driver = &i2c_driver_saa7191; - client->flags = 0; - strcpy(client->name, "saa7191 client"); - i2c_set_clientdata(client, decoder); - - decoder->client = client; - - err = i2c_attach_client(client); - if (err) - goto out_free_decoder; - - err = saa7191_write_block(client, sizeof(initseq), initseq); - if (err) { - printk(KERN_ERR "SAA7191 initialization failed\n"); - goto out_detach_client; - } - - printk(KERN_INFO "SAA7191 initialized\n"); - - decoder->input = SAA7191_INPUT_COMPOSITE; - decoder->norm = SAA7191_NORM_PAL; - - err = saa7191_autodetect_norm(client); - if (err && (err != -EBUSY)) { - printk(KERN_ERR "SAA7191: Signal auto-detection failed\n"); - } + u8 status_reg; + int res = V4L2_IN_ST_NO_SIGNAL; + if (saa7191_read_status(sd, &status_reg)) + return -EIO; + if ((status_reg & SAA7191_STATUS_HLCK) == 0) + res = 0; + if (!(status_reg & SAA7191_STATUS_CODE)) + res |= V4L2_IN_ST_NO_COLOR; + *status = res; return 0; - -out_detach_client: - i2c_detach_client(client); -out_free_decoder: - kfree(decoder); -out_free_client: - kfree(client); - return err; } -static int saa7191_probe(struct i2c_adapter *adap) -{ - /* Always connected to VINO */ - if (adap->id == I2C_HW_SGI_VINO) - return saa7191_attach(adap, SAA7191_ADDR, 0); - /* Feel free to add probe here :-) */ - return -ENODEV; -} -static int saa7191_detach(struct i2c_client *client) +static int saa7191_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) { - struct saa7191 *decoder = i2c_get_clientdata(client); + struct i2c_client *client = v4l2_get_subdevdata(sd); - i2c_detach_client(client); - kfree(decoder); - kfree(client); - return 0; + return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA7191, 0); } -static int saa7191_command(struct i2c_client *client, unsigned int cmd, - void *arg) -{ - struct saa7191 *decoder = i2c_get_clientdata(client); +/* ----------------------------------------------------------------------- */ - switch (cmd) { - case DECODER_GET_CAPABILITIES: { - struct video_decoder_capability *cap = arg; +static const struct v4l2_subdev_core_ops saa7191_core_ops = { + .g_chip_ident = saa7191_g_chip_ident, + .g_ctrl = saa7191_g_ctrl, + .s_ctrl = saa7191_s_ctrl, +}; - cap->flags = VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC | - VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO; - cap->inputs = (client->adapter->id == I2C_HW_SGI_VINO) ? 2 : 1; - cap->outputs = 1; - break; - } - case DECODER_GET_STATUS: { - int *iarg = arg; - u8 status; - int res = 0; +static const struct v4l2_subdev_tuner_ops saa7191_tuner_ops = { + .s_std = saa7191_s_std, +}; - if (saa7191_read_status(client, &status)) { - return -EIO; - } - if ((status & SAA7191_STATUS_HLCK) == 0) - res |= DECODER_STATUS_GOOD; - if (status & SAA7191_STATUS_CODE) - res |= DECODER_STATUS_COLOR; - switch (decoder->norm) { - case SAA7191_NORM_NTSC: - res |= DECODER_STATUS_NTSC; - break; - case SAA7191_NORM_PAL: - res |= DECODER_STATUS_PAL; - break; - case SAA7191_NORM_SECAM: - res |= DECODER_STATUS_SECAM; - break; - case SAA7191_NORM_AUTO: - default: - if (status & SAA7191_STATUS_FIDT) - res |= DECODER_STATUS_NTSC; - else - res |= DECODER_STATUS_PAL; - break; - } - *iarg = res; - break; - } - case DECODER_SET_NORM: { - int *iarg = arg; - - switch (*iarg) { - case VIDEO_MODE_AUTO: - return saa7191_autodetect_norm(client); - case VIDEO_MODE_PAL: - return saa7191_set_norm(client, SAA7191_NORM_PAL); - case VIDEO_MODE_NTSC: - return saa7191_set_norm(client, SAA7191_NORM_NTSC); - case VIDEO_MODE_SECAM: - return saa7191_set_norm(client, SAA7191_NORM_SECAM); - default: - return -EINVAL; - } - break; - } - case DECODER_SET_INPUT: { - int *iarg = arg; - - switch (client->adapter->id) { - case I2C_HW_SGI_VINO: - return saa7191_set_input(client, *iarg); - default: - if (*iarg != 0) - return -EINVAL; - } - break; - } - case DECODER_SET_OUTPUT: { - int *iarg = arg; +static const struct v4l2_subdev_video_ops saa7191_video_ops = { + .s_routing = saa7191_s_routing, + .querystd = saa7191_querystd, + .g_input_status = saa7191_g_input_status, +}; - /* not much choice of outputs */ - if (*iarg != 0) - return -EINVAL; - break; - } - case DECODER_ENABLE_OUTPUT: { - /* Always enabled */ - break; - } - case DECODER_SET_PICTURE: { - struct video_picture *pic = arg; - unsigned val; - int err; +static const struct v4l2_subdev_ops saa7191_ops = { + .core = &saa7191_core_ops, + .video = &saa7191_video_ops, + .tuner = &saa7191_tuner_ops, +}; - val = (pic->hue >> 8) - 0x80; +static int saa7191_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int err = 0; + struct saa7191 *decoder; + struct v4l2_subdev *sd; - err = saa7191_write_reg(client, SAA7191_REG_HUEC, val); - if (err) - return -EIO; + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); - break; - } - case DECODER_SAA7191_GET_STATUS: { - struct saa7191_status *status = arg; - u8 status_reg; + decoder = kzalloc(sizeof(*decoder), GFP_KERNEL); + if (!decoder) + return -ENOMEM; - if (saa7191_read_status(client, &status_reg)) - return -EIO; + sd = &decoder->sd; + v4l2_i2c_subdev_init(sd, client, &saa7191_ops); - status->signal = ((status_reg & SAA7191_STATUS_HLCK) == 0) - ? 1 : 0; - status->signal_60hz = (status_reg & SAA7191_STATUS_FIDT) - ? 1 : 0; - status->color = (status_reg & SAA7191_STATUS_CODE) ? 1 : 0; + err = saa7191_write_block(sd, sizeof(initseq), initseq); + if (err) { + printk(KERN_ERR "SAA7191 initialization failed\n"); + kfree(decoder); + return err; + } - status->input = decoder->input; - status->norm = decoder->norm; + printk(KERN_INFO "SAA7191 initialized\n"); - break; - } - case DECODER_SAA7191_SET_NORM: { - int *norm = arg; - - switch (*norm) { - case SAA7191_NORM_AUTO: - return saa7191_autodetect_norm(client); - case SAA7191_NORM_AUTO_EXT: - return saa7191_autodetect_norm_extended(client); - default: - return saa7191_set_norm(client, *norm); - } - } - case DECODER_SAA7191_GET_CONTROL: { - return saa7191_get_control(client, arg); - } - case DECODER_SAA7191_SET_CONTROL: { - return saa7191_set_control(client, arg); - } - default: - return -EINVAL; - } + decoder->input = SAA7191_INPUT_COMPOSITE; + decoder->norm = V4L2_STD_PAL; + + err = saa7191_autodetect_norm(sd); + if (err && (err != -EBUSY)) + printk(KERN_ERR "SAA7191: Signal auto-detection failed\n"); return 0; } -static struct i2c_driver i2c_driver_saa7191 = { - .driver = { - .name = "saa7191", - }, - .id = I2C_DRIVERID_SAA7191, - .attach_adapter = saa7191_probe, - .detach_client = saa7191_detach, - .command = saa7191_command -}; - -static int saa7191_init(void) +static int saa7191_remove(struct i2c_client *client) { - return i2c_add_driver(&i2c_driver_saa7191); -} + struct v4l2_subdev *sd = i2c_get_clientdata(client); -static void saa7191_exit(void) -{ - i2c_del_driver(&i2c_driver_saa7191); + v4l2_device_unregister_subdev(sd); + kfree(to_saa7191(sd)); + return 0; } -module_init(saa7191_init); -module_exit(saa7191_exit); +static const struct i2c_device_id saa7191_id[] = { + { "saa7191", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, saa7191_id); + +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "saa7191", + .probe = saa7191_probe, + .remove = saa7191_remove, + .id_table = saa7191_id, +}; |