2007-10-02 10:57:03 -04:00
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/* tuner-xc2028
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*
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* Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org)
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2007-10-29 22:44:18 -04:00
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*
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2007-07-18 09:29:10 -04:00
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* Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com)
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* - frontend interface
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2007-10-29 22:44:18 -04:00
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*
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2007-10-02 10:57:03 -04:00
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* This code is placed under the terms of the GNU General Public License v2
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*/
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#include <linux/i2c.h>
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#include <asm/div64.h>
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#include <linux/firmware.h>
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2007-11-01 16:47:42 -04:00
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#include <linux/videodev2.h>
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2007-10-02 10:57:03 -04:00
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#include <linux/delay.h>
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2007-07-18 09:29:10 -04:00
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#include <media/tuner.h>
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2007-09-27 17:27:03 -04:00
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#include <linux/mutex.h>
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2007-10-23 14:24:06 -04:00
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#include "tuner-i2c.h"
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2007-10-02 10:57:03 -04:00
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#include "tuner-xc2028.h"
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2007-10-24 08:22:08 -04:00
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#include "tuner-xc2028-types.h"
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2007-10-02 10:57:03 -04:00
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2007-07-18 09:29:10 -04:00
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#include <linux/dvb/frontend.h>
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#include "dvb_frontend.h"
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2007-11-04 09:03:36 -05:00
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#define PREFIX "xc2028"
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2007-10-23 14:24:06 -04:00
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2007-11-15 07:44:30 -05:00
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "enable verbose debug messages");
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2007-11-15 09:58:00 -05:00
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static char audio_std[8];
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module_param_string(audio_std, audio_std, sizeof(audio_std), 0);
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MODULE_PARM_DESC(audio_std,
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"Audio standard. XC3028 audio decoder explicitly "
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"needs to know what audio\n"
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"standard is needed for some video standards with audio A2 or NICAM.\n"
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"The valid values are:\n"
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"A2\n"
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"A2/A\n"
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"A2/B\n"
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"NICAM\n"
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"NICAM/A\n"
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"NICAM/B\n");
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2007-10-23 14:24:06 -04:00
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static LIST_HEAD(xc2028_list);
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2007-10-24 08:22:08 -04:00
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/* struct for storing firmware table */
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struct firmware_description {
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unsigned int type;
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v4l2_std_id id;
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unsigned char *ptr;
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unsigned int size;
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};
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2007-10-02 10:57:03 -04:00
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struct xc2028_data {
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2007-10-23 14:24:06 -04:00
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struct list_head xc2028_list;
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struct tuner_i2c_props i2c_props;
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int (*tuner_callback) (void *dev,
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int command, int arg);
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void *video_dev;
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int count;
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2007-10-24 08:22:08 -04:00
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__u32 frequency;
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struct firmware_description *firm;
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int firm_size;
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__u16 version;
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struct xc2028_ctrl ctrl;
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2007-10-23 14:24:06 -04:00
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2007-07-18 09:29:10 -04:00
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v4l2_std_id firm_type; /* video stds supported
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by current firmware */
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fe_bandwidth_t bandwidth; /* Firmware bandwidth:
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6M, 7M or 8M */
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int need_load_generic; /* The generic firmware
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were loaded? */
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2007-10-24 08:22:08 -04:00
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int max_len; /* Max firmware chunk */
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2007-07-18 09:29:10 -04:00
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enum tuner_mode mode;
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struct i2c_client *i2c_client;
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2007-10-23 14:24:06 -04:00
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struct mutex lock;
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2007-10-02 10:57:03 -04:00
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};
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2007-11-01 16:47:42 -04:00
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#define i2c_send(rc, priv, buf, size) do { \
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rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \
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if (size != rc) \
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2007-11-15 07:44:30 -05:00
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tuner_err("i2c output error: rc = %d (should be %d)\n", \
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2007-11-01 16:47:42 -04:00
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rc, (int)size); \
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} while (0)
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#define i2c_rcv(rc, priv, buf, size) do { \
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rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \
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if (size != rc) \
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2007-11-15 07:44:30 -05:00
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tuner_err("i2c input error: rc = %d (should be %d)\n", \
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2007-11-01 16:47:42 -04:00
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rc, (int)size); \
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} while (0)
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#define send_seq(priv, data...) do { \
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int rc; \
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2007-10-23 14:24:06 -04:00
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static u8 _val[] = data; \
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2007-10-02 10:57:03 -04:00
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if (sizeof(_val) != \
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2007-11-01 16:47:42 -04:00
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(rc = tuner_i2c_xfer_send(&priv->i2c_props, \
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2007-10-23 14:24:06 -04:00
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_val, sizeof(_val)))) { \
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2007-11-15 07:44:30 -05:00
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tuner_err("Error on line %d: %d\n", __LINE__, rc); \
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2007-11-01 16:47:42 -04:00
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return -EINVAL; \
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2007-10-02 10:57:03 -04:00
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} \
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2007-11-01 16:47:42 -04:00
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msleep(10); \
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} while (0)
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2007-10-02 10:57:03 -04:00
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2007-11-05 07:07:13 -05:00
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static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg)
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2007-10-02 10:57:03 -04:00
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{
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int rc;
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2007-11-05 06:41:50 -05:00
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unsigned char buf[2];
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2007-10-23 14:24:06 -04:00
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2007-11-15 07:44:30 -05:00
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tuner_dbg("%s called\n", __FUNCTION__);
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2007-10-02 10:57:03 -04:00
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2007-11-05 07:07:13 -05:00
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buf[0] = reg>>8;
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buf[1] = (unsigned char) reg;
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2007-10-02 10:57:03 -04:00
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2007-11-05 07:07:13 -05:00
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i2c_send(rc, priv, buf, 2);
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2007-11-01 16:47:42 -04:00
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if (rc < 0)
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2007-10-02 10:57:03 -04:00
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return rc;
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2007-10-23 14:24:06 -04:00
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i2c_rcv(rc, priv, buf, 2);
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2007-11-01 16:47:42 -04:00
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if (rc < 0)
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2007-10-02 10:57:03 -04:00
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return rc;
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2007-11-01 16:47:42 -04:00
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return (buf[1]) | (buf[0] << 8);
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2007-10-02 10:57:03 -04:00
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}
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2007-11-14 17:30:28 -05:00
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void dump_firm_type(unsigned int type)
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{
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if (type & BASE)
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printk("BASE ");
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2007-11-15 06:43:53 -05:00
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if (type & INIT1)
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printk("INIT1 ");
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2007-11-14 17:30:28 -05:00
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if (type & F8MHZ)
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printk("F8MHZ ");
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if (type & MTS)
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printk("MTS ");
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if (type & D2620)
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printk("D2620 ");
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if (type & D2633)
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printk("D2633 ");
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if (type & DTV6)
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printk("DTV6 ");
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if (type & QAM)
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printk("QAM ");
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if (type & DTV7)
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printk("DTV7 ");
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if (type & DTV78)
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printk("DTV78 ");
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if (type & DTV8)
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printk("DTV8 ");
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if (type & FM)
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printk("FM ");
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if (type & INPUT1)
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printk("INPUT1 ");
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if (type & LCD)
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printk("LCD ");
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if (type & NOGD)
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printk("NOGD ");
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if (type & MONO)
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printk("MONO ");
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if (type & ATSC)
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printk("ATSC ");
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if (type & IF)
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printk("IF ");
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if (type & LG60)
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printk("LG60 ");
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if (type & ATI638)
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printk("ATI638 ");
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if (type & OREN538)
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printk("OREN538 ");
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if (type & OREN36)
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printk("OREN36 ");
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if (type & TOYOTA388)
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printk("TOYOTA388 ");
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if (type & TOYOTA794)
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printk("TOYOTA794 ");
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if (type & DIBCOM52)
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printk("DIBCOM52 ");
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if (type & ZARLINK456)
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printk("ZARLINK456 ");
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if (type & CHINA)
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printk("CHINA ");
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if (type & F6MHZ)
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printk("F6MHZ ");
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if (type & INPUT2)
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printk("INPUT2 ");
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if (type & SCODE)
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printk("SCODE ");
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}
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2007-11-15 09:58:00 -05:00
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static v4l2_std_id parse_audio_std_option(void)
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{
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if (strcasecmp(audio_std, "A2"))
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return V4L2_STD_A2;
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if (strcasecmp(audio_std, "A2/A"))
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return V4L2_STD_A2_A;
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if (strcasecmp(audio_std, "A2/B"))
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return V4L2_STD_A2_B;
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if (strcasecmp(audio_std, "NICAM"))
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return V4L2_STD_NICAM;
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if (strcasecmp(audio_std, "NICAM/A"))
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return V4L2_STD_NICAM_A;
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if (strcasecmp(audio_std, "NICAM/B"))
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return V4L2_STD_NICAM_B;
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return 0;
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}
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2007-11-01 16:47:42 -04:00
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static void free_firmware(struct xc2028_data *priv)
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2007-10-02 10:57:03 -04:00
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{
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2007-10-24 08:22:08 -04:00
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int i;
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if (!priv->firm)
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return;
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2007-11-01 16:47:42 -04:00
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for (i = 0; i < priv->firm_size; i++)
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kfree(priv->firm[i].ptr);
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2007-10-24 08:22:08 -04:00
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kfree(priv->firm);
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2007-11-01 16:47:42 -04:00
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priv->firm = NULL;
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2007-10-24 08:22:08 -04:00
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priv->need_load_generic = 1;
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}
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2007-11-01 16:47:42 -04:00
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static int load_all_firmwares(struct dvb_frontend *fe)
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2007-10-24 08:22:08 -04:00
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{
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struct xc2028_data *priv = fe->tuner_priv;
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2007-11-01 16:47:42 -04:00
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const struct firmware *fw = NULL;
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2007-10-02 10:57:03 -04:00
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unsigned char *p, *endp;
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2007-11-01 16:47:42 -04:00
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int rc = 0;
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int n, n_array;
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2007-10-24 08:22:08 -04:00
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char name[33];
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2007-10-02 10:57:03 -04:00
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2007-11-15 07:44:30 -05:00
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tuner_dbg("%s called\n", __FUNCTION__);
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2007-10-23 14:24:06 -04:00
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2007-11-15 06:43:53 -05:00
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tuner_info("Reading firmware %s\n", priv->ctrl.fname);
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2007-11-16 05:46:14 -05:00
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rc = request_firmware(&fw, priv->ctrl.fname,
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&priv->i2c_props.adap->dev);
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2007-10-02 10:57:03 -04:00
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if (rc < 0) {
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2007-11-01 16:47:42 -04:00
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if (rc == -ENOENT)
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2007-11-15 07:44:30 -05:00
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tuner_err("Error: firmware %s not found.\n",
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2007-10-24 08:22:08 -04:00
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priv->ctrl.fname);
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2007-07-18 12:33:23 -04:00
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else
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2007-11-15 07:44:30 -05:00
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tuner_err("Error %d while requesting firmware %s \n",
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2007-10-24 08:22:08 -04:00
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rc, priv->ctrl.fname);
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2007-07-18 12:33:23 -04:00
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2007-10-02 10:57:03 -04:00
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return rc;
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}
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2007-11-01 16:47:42 -04:00
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p = fw->data;
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endp = p + fw->size;
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2007-10-02 10:57:03 -04:00
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2007-11-01 16:47:42 -04:00
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if (fw->size < sizeof(name) - 1 + 2) {
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2007-11-15 07:44:30 -05:00
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tuner_err("Error: firmware size is zero!\n");
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2007-11-01 16:47:42 -04:00
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rc = -EINVAL;
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2007-10-24 08:22:08 -04:00
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goto done;
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2007-10-02 10:57:03 -04:00
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}
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2007-10-24 08:22:08 -04:00
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2007-11-01 16:47:42 -04:00
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memcpy(name, p, sizeof(name) - 1);
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name[sizeof(name) - 1] = 0;
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p += sizeof(name) - 1;
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2007-10-24 08:22:08 -04:00
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2007-11-01 16:47:42 -04:00
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priv->version = le16_to_cpu(*(__u16 *) p);
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2007-10-24 08:22:08 -04:00
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p += 2;
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2007-11-15 07:44:30 -05:00
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tuner_info("Firmware: %s, ver %d.%d\n", name,
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2007-11-01 16:47:42 -04:00
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priv->version >> 8, priv->version & 0xff);
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2007-10-24 08:22:08 -04:00
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2007-11-01 16:47:42 -04:00
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if (p + 2 > endp)
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2007-10-24 08:22:08 -04:00
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goto corrupt;
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2007-11-01 16:47:42 -04:00
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n_array = le16_to_cpu(*(__u16 *) p);
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2007-10-24 08:22:08 -04:00
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p += 2;
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2007-11-15 07:44:30 -05:00
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tuner_info("There are %d firmwares at %s\n",
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n_array, priv->ctrl.fname);
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2007-10-24 08:22:08 -04:00
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2007-11-01 16:47:42 -04:00
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priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL);
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2007-10-24 08:22:08 -04:00
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if (!fw) {
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2007-11-15 07:44:30 -05:00
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tuner_err("Not enough memory for reading firmware.\n");
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2007-11-01 16:47:42 -04:00
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rc = -ENOMEM;
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2007-10-24 08:22:08 -04:00
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goto done;
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2007-10-02 10:57:03 -04:00
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}
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2007-10-24 08:22:08 -04:00
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priv->firm_size = n_array;
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2007-11-01 16:47:42 -04:00
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n = -1;
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while (p < endp) {
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2007-10-24 08:22:08 -04:00
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__u32 type, size;
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|
|
v4l2_std_id id;
|
|
|
|
|
|
|
|
n++;
|
|
|
|
if (n >= n_array) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Too much firmwares at the file\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
goto corrupt;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Checks if there's enough bytes to read */
|
2007-11-01 16:47:42 -04:00
|
|
|
if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Firmware header is incomplete!\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
goto corrupt;
|
|
|
|
}
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
type = le32_to_cpu(*(__u32 *) p);
|
2007-10-24 08:22:08 -04:00
|
|
|
p += sizeof(type);
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
id = le64_to_cpu(*(v4l2_std_id *) p);
|
2007-10-24 08:22:08 -04:00
|
|
|
p += sizeof(id);
|
|
|
|
|
2007-11-16 05:19:35 -05:00
|
|
|
size = le32_to_cpu(*(__u32 *) p);
|
2007-10-24 08:22:08 -04:00
|
|
|
p += sizeof(size);
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if ((!size) || (size + p > endp)) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Firmware type ");
|
2007-11-14 17:30:28 -05:00
|
|
|
dump_firm_type(type);
|
2007-11-15 07:44:30 -05:00
|
|
|
printk("(%x), id %lx is corrupted "
|
|
|
|
"(size=%ld, expected %d)\n",
|
|
|
|
type, (unsigned long)id, endp - p, size);
|
2007-10-24 08:22:08 -04:00
|
|
|
goto corrupt;
|
|
|
|
}
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->firm[n].ptr = kzalloc(size, GFP_KERNEL);
|
2007-10-24 08:22:08 -04:00
|
|
|
if (!priv->firm[n].ptr) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Not enough memory.\n");
|
2007-11-01 16:47:42 -04:00
|
|
|
rc = -ENOMEM;
|
2007-10-24 08:22:08 -04:00
|
|
|
goto err;
|
|
|
|
}
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_info("Reading firmware type ");
|
2007-11-14 17:30:28 -05:00
|
|
|
dump_firm_type(type);
|
|
|
|
printk("(%x), id %lx, size=%d.\n",
|
2007-11-01 16:47:42 -04:00
|
|
|
type, (unsigned long)id, size);
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
memcpy(priv->firm[n].ptr, p, size);
|
|
|
|
priv->firm[n].type = type;
|
|
|
|
priv->firm[n].id = id;
|
|
|
|
priv->firm[n].size = size;
|
|
|
|
|
|
|
|
p += size;
|
|
|
|
}
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if (n + 1 != priv->firm_size) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Firmware file is incomplete!\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
goto corrupt;
|
|
|
|
}
|
|
|
|
|
|
|
|
goto done;
|
|
|
|
|
|
|
|
corrupt:
|
2007-11-01 16:47:42 -04:00
|
|
|
rc = -EINVAL;
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Error: firmware file is corrupted!\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
err:
|
|
|
|
tuner_info("Releasing loaded firmware file.\n");
|
|
|
|
|
|
|
|
free_firmware(priv);
|
|
|
|
|
|
|
|
done:
|
|
|
|
release_firmware(fw);
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("Firmware files loaded.\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
|
|
|
|
v4l2_std_id *id)
|
2007-10-24 08:22:08 -04:00
|
|
|
{
|
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
2007-11-15 06:43:53 -05:00
|
|
|
int i;
|
2007-10-24 08:22:08 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
if (!priv->firm) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Error! firmware not loaded\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
if (((type & ~SCODE) == 0) && (*id == 0))
|
2007-11-01 16:47:42 -04:00
|
|
|
*id = V4L2_STD_PAL;
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
/* Seek for exact match */
|
2007-11-01 16:47:42 -04:00
|
|
|
for (i = 0; i < priv->firm_size; i++) {
|
|
|
|
if ((type == priv->firm[i].type) && (*id == priv->firm[i].id))
|
2007-10-24 08:22:08 -04:00
|
|
|
goto found;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Seek for generic video standard match */
|
2007-11-01 16:47:42 -04:00
|
|
|
for (i = 0; i < priv->firm_size; i++) {
|
|
|
|
if ((type == priv->firm[i].type) && (*id & priv->firm[i].id))
|
2007-10-24 08:22:08 -04:00
|
|
|
goto found;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*FIXME: Would make sense to seek for type "hint" match ? */
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
i = -EINVAL;
|
|
|
|
goto ret;
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
found:
|
|
|
|
*id = priv->firm[i].id;
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
ret:
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s firmware for type=", (i < 0)? "Can't find": "Found");
|
|
|
|
if (debug) {
|
|
|
|
dump_firm_type(type);
|
|
|
|
printk("(%x), id %08lx.\n", type, (unsigned long)*id);
|
|
|
|
}
|
2007-11-15 06:43:53 -05:00
|
|
|
return i;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int load_firmware(struct dvb_frontend *fe, unsigned int type,
|
|
|
|
v4l2_std_id *id)
|
|
|
|
{
|
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
|
|
|
int pos, rc;
|
|
|
|
unsigned char *p, *endp, buf[priv->max_len];
|
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-11-15 06:43:53 -05:00
|
|
|
|
|
|
|
pos = seek_firmware(fe, type, id);
|
|
|
|
if (pos < 0)
|
|
|
|
return pos;
|
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_info("Loading firmware for type=");
|
|
|
|
dump_firm_type(type);
|
|
|
|
printk("(%x), id %08lx.\n", type, (unsigned long)*id);
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
p = priv->firm[pos].ptr;
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
if (!p) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Firmware pointer were freed!");
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
2007-11-15 06:43:53 -05:00
|
|
|
endp = p + priv->firm[pos].size;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
while (p < endp) {
|
2007-10-24 08:22:08 -04:00
|
|
|
__u16 size;
|
|
|
|
|
|
|
|
/* Checks if there's enough bytes to read */
|
2007-11-01 16:47:42 -04:00
|
|
|
if (p + sizeof(size) > endp) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Firmware chunk size is wrong\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
size = le16_to_cpu(*(__u16 *) p);
|
2007-10-24 08:22:08 -04:00
|
|
|
p += sizeof(size);
|
|
|
|
|
|
|
|
if (size == 0xffff)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (!size) {
|
2007-10-02 10:57:03 -04:00
|
|
|
/* Special callback command received */
|
2007-10-23 14:24:06 -04:00
|
|
|
rc = priv->tuner_callback(priv->video_dev,
|
2007-11-01 16:47:42 -04:00
|
|
|
XC2028_TUNER_RESET, 0);
|
|
|
|
if (rc < 0) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Error at RESET code %d\n",
|
2007-11-01 16:47:42 -04:00
|
|
|
(*p) & 0x7f);
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
2007-11-16 05:49:49 -05:00
|
|
|
if (size >= 0xff00) {
|
|
|
|
switch (size) {
|
|
|
|
case 0xff00:
|
|
|
|
rc = priv->tuner_callback(priv->video_dev,
|
|
|
|
XC2028_RESET_CLK, 0);
|
|
|
|
if (rc < 0) {
|
|
|
|
tuner_err("Error at RESET code %d\n",
|
|
|
|
(*p) & 0x7f);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
tuner_info("Invalid RESET code %d\n",
|
|
|
|
size & 0x7f);
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
}
|
2007-11-16 07:43:19 -05:00
|
|
|
continue;
|
2007-11-16 05:49:49 -05:00
|
|
|
}
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
/* Checks for a sleep command */
|
|
|
|
if (size & 0x8000) {
|
2007-11-01 16:47:42 -04:00
|
|
|
msleep(size & 0x7fff);
|
2007-10-24 08:22:08 -04:00
|
|
|
continue;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
if ((size + p > endp)) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("missing bytes: need %d, have %d\n",
|
2007-11-01 16:47:42 -04:00
|
|
|
size, (int)(endp - p));
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
buf[0] = *p;
|
2007-10-02 10:57:03 -04:00
|
|
|
p++;
|
2007-10-24 08:22:08 -04:00
|
|
|
size--;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
/* Sends message chunks */
|
2007-11-01 16:47:42 -04:00
|
|
|
while (size > 0) {
|
|
|
|
int len = (size < priv->max_len - 1) ?
|
|
|
|
size : priv->max_len - 1;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
memcpy(buf + 1, p, len);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
i2c_send(rc, priv, buf, len + 1);
|
|
|
|
if (rc < 0) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("%d returned from send\n", rc);
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
p += len;
|
|
|
|
size -= len;
|
|
|
|
}
|
|
|
|
}
|
2007-11-14 17:30:28 -05:00
|
|
|
return 0;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
static int load_scode(struct dvb_frontend *fe, unsigned int type,
|
|
|
|
v4l2_std_id *id, int scode)
|
|
|
|
{
|
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
|
|
|
int pos, rc;
|
|
|
|
unsigned char *p;
|
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-11-15 06:43:53 -05:00
|
|
|
|
|
|
|
pos = seek_firmware(fe, type, id);
|
|
|
|
if (pos < 0)
|
|
|
|
return pos;
|
|
|
|
|
|
|
|
p = priv->firm[pos].ptr;
|
|
|
|
|
|
|
|
if (!p) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Firmware pointer were freed!");
|
2007-11-15 06:43:53 -05:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((priv->firm[pos].size != 12 * 16) || (scode >= 16))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (priv->version < 0x0202) {
|
|
|
|
send_seq(priv, {0x20, 0x00, 0x00, 0x00});
|
|
|
|
} else {
|
|
|
|
send_seq(priv, {0xa0, 0x00, 0x00, 0x00});
|
|
|
|
}
|
|
|
|
|
|
|
|
i2c_send(rc, priv, p + 12 * scode, 12);
|
|
|
|
|
|
|
|
send_seq(priv, {0x00, 0x8c});
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
|
2007-11-01 16:47:42 -04:00
|
|
|
v4l2_std_id std, fe_bandwidth_t bandwidth)
|
2007-10-02 10:57:03 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
2007-11-05 07:07:13 -05:00
|
|
|
int rc, version, hwmodel;
|
2007-11-01 16:47:42 -04:00
|
|
|
v4l2_std_id std0 = 0;
|
|
|
|
unsigned int type0 = 0, type = 0;
|
2007-10-24 08:22:08 -04:00
|
|
|
int change_digital_bandwidth;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
if (!priv->firm) {
|
2007-11-16 05:46:14 -05:00
|
|
|
if (!priv->ctrl.fname) {
|
|
|
|
tuner_info("xc2028/3028 firmware name not set!\n");
|
2007-10-24 08:22:08 -04:00
|
|
|
return -EINVAL;
|
2007-11-16 05:46:14 -05:00
|
|
|
}
|
2007-10-24 08:22:08 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
rc = load_all_firmwares(fe);
|
|
|
|
if (rc < 0)
|
2007-10-24 08:22:08 -04:00
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("I am in mode %u and I should switch to mode %i\n",
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->mode, new_mode);
|
2007-07-18 09:29:10 -04:00
|
|
|
|
|
|
|
/* first of all, determine whether we have switched the mode */
|
2007-11-01 16:47:42 -04:00
|
|
|
if (new_mode != priv->mode) {
|
2007-10-23 14:24:06 -04:00
|
|
|
priv->mode = new_mode;
|
|
|
|
priv->need_load_generic = 1;
|
2007-07-18 09:29:10 -04:00
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
change_digital_bandwidth = (priv->mode == T_DIGITAL_TV
|
2007-11-01 16:47:42 -04:00
|
|
|
&& bandwidth != priv->bandwidth) ? 1 : 0;
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("old bandwidth %u, new bandwidth %u\n", priv->bandwidth,
|
2007-11-01 16:47:42 -04:00
|
|
|
bandwidth);
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
if (priv->need_load_generic) {
|
2007-10-02 10:57:03 -04:00
|
|
|
/* Reset is needed before loading firmware */
|
2007-10-23 14:24:06 -04:00
|
|
|
rc = priv->tuner_callback(priv->video_dev,
|
|
|
|
XC2028_TUNER_RESET, 0);
|
2007-11-01 16:47:42 -04:00
|
|
|
if (rc < 0)
|
2007-10-02 10:57:03 -04:00
|
|
|
return rc;
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
type0 = BASE;
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
if (priv->ctrl.type == XC2028_FIRM_MTS)
|
|
|
|
type0 |= MTS;
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if (priv->bandwidth == 8)
|
2007-10-24 08:22:08 -04:00
|
|
|
type0 |= F8MHZ;
|
|
|
|
|
|
|
|
/* FIXME: How to load FM and FM|INPUT1 firmwares? */
|
|
|
|
|
|
|
|
rc = load_firmware(fe, type0, &std0);
|
2007-11-01 16:47:42 -04:00
|
|
|
if (rc < 0) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("Error %d while loading generic firmware\n",
|
|
|
|
rc);
|
2007-10-02 10:57:03 -04:00
|
|
|
return rc;
|
2007-10-24 08:22:08 -04:00
|
|
|
}
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->need_load_generic = 0;
|
|
|
|
priv->firm_type = 0;
|
|
|
|
if (priv->mode == T_DIGITAL_TV)
|
|
|
|
change_digital_bandwidth = 1;
|
2007-07-18 09:29:10 -04:00
|
|
|
}
|
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("I should change bandwidth %u\n", change_digital_bandwidth);
|
2007-07-18 09:29:10 -04:00
|
|
|
|
|
|
|
if (change_digital_bandwidth) {
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
/*FIXME: Should allow selecting between D2620 and D2633 */
|
|
|
|
type |= D2620;
|
|
|
|
|
|
|
|
/* FIXME: When should select a DTV78 firmware?
|
|
|
|
*/
|
2007-11-01 16:47:42 -04:00
|
|
|
switch (bandwidth) {
|
2007-10-24 08:22:08 -04:00
|
|
|
case BANDWIDTH_8_MHZ:
|
|
|
|
type |= DTV8;
|
2007-07-18 09:29:10 -04:00
|
|
|
break;
|
2007-10-24 08:22:08 -04:00
|
|
|
case BANDWIDTH_7_MHZ:
|
|
|
|
type |= DTV7;
|
2007-07-18 09:29:10 -04:00
|
|
|
break;
|
2007-10-24 08:22:08 -04:00
|
|
|
case BANDWIDTH_6_MHZ:
|
|
|
|
/* FIXME: Should allow select also ATSC */
|
2007-11-14 17:30:28 -05:00
|
|
|
type |= DTV6 | QAM;
|
2007-07-18 09:29:10 -04:00
|
|
|
break;
|
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
default:
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("error: bandwidth not supported.\n");
|
2007-07-18 09:29:10 -04:00
|
|
|
};
|
2007-10-23 14:24:06 -04:00
|
|
|
priv->bandwidth = bandwidth;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
|
|
|
|
2007-11-16 05:49:49 -05:00
|
|
|
if (!change_digital_bandwidth && priv->mode == T_DIGITAL_TV)
|
|
|
|
return 0;
|
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
/* Load INIT1, if needed */
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("Load init1 firmware, if exists\n");
|
2007-11-15 06:43:53 -05:00
|
|
|
type0 = BASE | INIT1;
|
2007-10-24 08:22:08 -04:00
|
|
|
if (priv->ctrl.type == XC2028_FIRM_MTS)
|
|
|
|
type0 |= MTS;
|
|
|
|
|
|
|
|
/* FIXME: Should handle errors - if INIT1 found */
|
|
|
|
rc = load_firmware(fe, type0, &std0);
|
|
|
|
|
|
|
|
/* FIXME: Should add support for FM radio
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (priv->ctrl.type == XC2028_FIRM_MTS)
|
|
|
|
type |= MTS;
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
if (priv->firm_type & std) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("Std-specific firmware already loaded.\n");
|
2007-10-02 10:57:03 -04:00
|
|
|
return 0;
|
2007-07-18 12:33:23 -04:00
|
|
|
}
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-15 09:58:00 -05:00
|
|
|
/* Add audio hack to std mask */
|
|
|
|
std |= parse_audio_std_option();
|
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
rc = load_firmware(fe, type, &std);
|
2007-11-01 16:47:42 -04:00
|
|
|
if (rc < 0)
|
2007-10-02 10:57:03 -04:00
|
|
|
return rc;
|
|
|
|
|
2007-11-15 06:43:53 -05:00
|
|
|
/* Load SCODE firmware, if exists */
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("Trying to load scode 0\n");
|
2007-11-15 06:43:53 -05:00
|
|
|
type |= SCODE;
|
|
|
|
|
|
|
|
rc = load_scode(fe, type, &std, 0);
|
2007-11-14 17:30:28 -05:00
|
|
|
|
2007-11-05 07:07:13 -05:00
|
|
|
version = xc2028_get_reg(priv, 0x0004);
|
|
|
|
hwmodel = xc2028_get_reg(priv, 0x0008);
|
|
|
|
|
|
|
|
tuner_info("Device is Xceive %d version %d.%d, "
|
|
|
|
"firmware version %d.%d\n",
|
|
|
|
hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8,
|
|
|
|
(version & 0xf0) >> 4, version & 0xf);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->firm_type = std;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
|
2007-10-02 10:57:03 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
2007-11-01 16:47:42 -04:00
|
|
|
int frq_lock, signal = 0;
|
2007-09-27 17:27:03 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
mutex_lock(&priv->lock);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
*strength = 0;
|
|
|
|
|
2007-11-05 07:07:13 -05:00
|
|
|
/* Sync Lock Indicator */
|
|
|
|
frq_lock = xc2028_get_reg(priv, 0x0002);
|
2007-11-01 16:47:42 -04:00
|
|
|
if (frq_lock <= 0)
|
2007-09-27 17:27:03 -04:00
|
|
|
goto ret;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
|
|
|
/* Frequency is locked. Return signal quality */
|
|
|
|
|
2007-11-05 07:07:13 -05:00
|
|
|
/* Get SNR of the video signal */
|
|
|
|
signal = xc2028_get_reg(priv, 0x0040);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if (signal <= 0)
|
|
|
|
signal = frq_lock;
|
2007-09-27 17:27:03 -04:00
|
|
|
|
|
|
|
ret:
|
2007-10-23 14:24:06 -04:00
|
|
|
mutex_unlock(&priv->lock);
|
|
|
|
|
|
|
|
*strength = signal;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
return 0;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
#define DIV 15625
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ ,
|
|
|
|
enum tuner_mode new_mode,
|
|
|
|
v4l2_std_id std, fe_bandwidth_t bandwidth)
|
2007-10-02 10:57:03 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
2007-11-01 16:47:42 -04:00
|
|
|
int rc = -EINVAL;
|
|
|
|
unsigned char buf[5];
|
|
|
|
u32 div, offset = 0;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-10-23 14:24:06 -04:00
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
mutex_lock(&priv->lock);
|
|
|
|
|
2007-07-18 22:14:25 -04:00
|
|
|
/* HACK: It seems that specific firmware need to be reloaded
|
|
|
|
when freq is changed */
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->firm_type = 0;
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-02 10:57:03 -04:00
|
|
|
/* Reset GPIO 1 */
|
2007-10-23 14:24:06 -04:00
|
|
|
rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0);
|
2007-11-01 16:47:42 -04:00
|
|
|
if (rc < 0)
|
2007-10-23 14:24:06 -04:00
|
|
|
goto ret;
|
|
|
|
|
2007-10-02 10:57:03 -04:00
|
|
|
msleep(10);
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("should set frequency %d kHz)\n", freq / 1000);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if (check_firmware(fe, new_mode, std, bandwidth) < 0)
|
2007-09-27 17:27:03 -04:00
|
|
|
goto ret;
|
2007-07-18 12:33:23 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if (new_mode == T_DIGITAL_TV)
|
2007-07-18 22:14:25 -04:00
|
|
|
offset = 2750000;
|
2007-07-18 12:33:23 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
div = (freq - offset + DIV / 2) / DIV;
|
2007-07-18 12:33:23 -04:00
|
|
|
|
2007-10-02 10:57:03 -04:00
|
|
|
/* CMD= Set frequency */
|
2007-10-24 08:22:08 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
if (priv->version < 0x0202) {
|
2007-10-24 08:22:08 -04:00
|
|
|
send_seq(priv, {0x00, 0x02, 0x00, 0x00});
|
|
|
|
} else {
|
|
|
|
send_seq(priv, {0x80, 0x02, 0x00, 0x00});
|
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1);
|
2007-11-01 16:47:42 -04:00
|
|
|
if (rc < 0)
|
2007-10-23 14:24:06 -04:00
|
|
|
goto ret;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
|
|
|
msleep(10);
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
buf[0] = 0xff & (div >> 24);
|
|
|
|
buf[1] = 0xff & (div >> 16);
|
|
|
|
buf[2] = 0xff & (div >> 8);
|
|
|
|
buf[3] = 0xff & (div);
|
|
|
|
buf[4] = 0;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
i2c_send(rc, priv, buf, sizeof(buf));
|
2007-11-01 16:47:42 -04:00
|
|
|
if (rc < 0)
|
2007-09-27 17:27:03 -04:00
|
|
|
goto ret;
|
2007-10-02 10:57:03 -04:00
|
|
|
msleep(100);
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->frequency = freq;
|
2007-10-23 14:24:06 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
|
2007-11-01 16:47:42 -04:00
|
|
|
buf[1], buf[2], buf[3], buf[4],
|
|
|
|
freq / 1000000, (freq % 1000000) / 10000);
|
2007-09-27 17:27:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
rc = 0;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
ret:
|
|
|
|
mutex_unlock(&priv->lock);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
return rc;
|
2007-07-18 09:29:10 -04:00
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static int xc2028_set_tv_freq(struct dvb_frontend *fe,
|
2007-11-01 16:47:42 -04:00
|
|
|
struct analog_parameters *p)
|
2007-10-02 10:57:03 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
return generic_set_tv_freq(fe, 62500l * p->frequency, T_ANALOG_TV,
|
|
|
|
p->std, BANDWIDTH_8_MHZ /* NOT USED */);
|
2007-10-23 14:24:06 -04:00
|
|
|
}
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static int xc2028_set_params(struct dvb_frontend *fe,
|
|
|
|
struct dvb_frontend_parameters *p)
|
2007-10-02 10:57:03 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
2007-10-02 10:57:03 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
/* FIXME: Only OFDM implemented */
|
|
|
|
if (fe->ops.info.type != FE_OFDM) {
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_err("DTV type not implemented.\n");
|
2007-10-23 14:24:06 -04:00
|
|
|
return -EINVAL;
|
2007-10-02 10:57:03 -04:00
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV,
|
2007-11-01 16:47:42 -04:00
|
|
|
0 /* NOT USED */,
|
|
|
|
p->u.ofdm.bandwidth);
|
2007-10-02 10:57:03 -04:00
|
|
|
|
|
|
|
}
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static int xc2028_dvb_release(struct dvb_frontend *fe)
|
2007-07-18 09:29:10 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv = fe->tuner_priv;
|
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
tuner_dbg("%s called\n", __FUNCTION__);
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
priv->count--;
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
if (!priv->count) {
|
2007-10-29 16:38:59 -04:00
|
|
|
list_del(&priv->xc2028_list);
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
kfree(priv->ctrl.fname);
|
2007-10-24 08:22:08 -04:00
|
|
|
|
|
|
|
free_firmware(priv);
|
2007-11-01 16:47:42 -04:00
|
|
|
kfree(priv);
|
2007-10-24 08:22:08 -04:00
|
|
|
}
|
2007-07-18 09:29:10 -04:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
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2007-07-18 09:29:10 -04:00
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{
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2007-10-23 14:24:06 -04:00
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struct xc2028_data *priv = fe->tuner_priv;
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2007-07-18 09:29:10 -04:00
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2007-11-15 07:44:30 -05:00
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tuner_dbg("%s called\n", __FUNCTION__);
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2007-07-18 09:29:10 -04:00
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2007-10-23 14:24:06 -04:00
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*frequency = priv->frequency;
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2007-07-18 09:29:10 -04:00
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return 0;
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}
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2007-11-01 16:47:42 -04:00
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static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
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2007-10-24 08:22:08 -04:00
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{
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|
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struct xc2028_data *priv = fe->tuner_priv;
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struct xc2028_ctrl *p = priv_cfg;
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2007-11-15 07:44:30 -05:00
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tuner_dbg("%s called\n", __FUNCTION__);
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2007-10-24 08:22:08 -04:00
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priv->ctrl.type = p->type;
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if (p->fname) {
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2007-11-01 16:47:42 -04:00
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kfree(priv->ctrl.fname);
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2007-10-24 08:22:08 -04:00
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2007-11-01 16:47:42 -04:00
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priv->ctrl.fname = kmalloc(strlen(p->fname) + 1, GFP_KERNEL);
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2007-10-24 08:22:08 -04:00
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|
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if (!priv->ctrl.fname)
|
|
|
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return -ENOMEM;
|
|
|
|
|
|
|
|
free_firmware(priv);
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|
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strcpy(priv->ctrl.fname, p->fname);
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|
|
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}
|
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|
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2007-11-01 16:47:42 -04:00
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if (p->max_len > 0)
|
2007-11-01 15:56:26 -04:00
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priv->max_len = p->max_len;
|
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|
|
|
2007-10-24 08:22:08 -04:00
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|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = {
|
2007-07-18 09:29:10 -04:00
|
|
|
.info = {
|
2007-11-01 16:47:42 -04:00
|
|
|
.name = "Xceive XC3028",
|
|
|
|
.frequency_min = 42000000,
|
|
|
|
.frequency_max = 864000000,
|
|
|
|
.frequency_step = 50000,
|
|
|
|
},
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-10-24 08:22:08 -04:00
|
|
|
.set_config = xc2028_set_config,
|
2007-10-23 14:24:06 -04:00
|
|
|
.set_analog_params = xc2028_set_tv_freq,
|
|
|
|
.release = xc2028_dvb_release,
|
|
|
|
.get_frequency = xc2028_get_frequency,
|
|
|
|
.get_rf_strength = xc2028_signal,
|
|
|
|
.set_params = xc2028_set_params,
|
2007-07-18 09:29:10 -04:00
|
|
|
|
|
|
|
};
|
|
|
|
|
2007-11-16 05:46:14 -05:00
|
|
|
void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg)
|
2007-07-18 09:29:10 -04:00
|
|
|
{
|
2007-10-23 14:24:06 -04:00
|
|
|
struct xc2028_data *priv;
|
2007-11-16 05:46:14 -05:00
|
|
|
void *video_dev;
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-11-15 07:44:30 -05:00
|
|
|
if (debug)
|
|
|
|
printk(KERN_DEBUG PREFIX "Xcv2028/3028 init called!\n");
|
2007-07-18 09:29:10 -04:00
|
|
|
|
2007-11-16 05:46:14 -05:00
|
|
|
if (NULL == cfg->video_dev)
|
|
|
|
return NULL;
|
2007-10-23 14:24:06 -04:00
|
|
|
|
2007-11-16 05:46:14 -05:00
|
|
|
if (!fe) {
|
|
|
|
printk(KERN_ERR PREFIX "No frontend!\n");
|
|
|
|
return NULL;
|
2007-10-23 14:24:06 -04:00
|
|
|
}
|
|
|
|
|
2007-11-16 05:46:14 -05:00
|
|
|
video_dev = cfg->video_dev;
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
list_for_each_entry(priv, &xc2028_list, xc2028_list) {
|
2007-11-16 05:46:14 -05:00
|
|
|
if (priv->video_dev == cfg->video_dev) {
|
|
|
|
video_dev = NULL;
|
|
|
|
break;
|
|
|
|
}
|
2007-10-23 14:24:06 -04:00
|
|
|
}
|
|
|
|
|
2007-11-16 05:46:14 -05:00
|
|
|
if (video_dev) {
|
2007-10-23 14:24:06 -04:00
|
|
|
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
|
|
|
|
if (priv == NULL)
|
2007-11-16 05:46:14 -05:00
|
|
|
return NULL;
|
2007-09-27 17:27:03 -04:00
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
priv->bandwidth = BANDWIDTH_6_MHZ;
|
|
|
|
priv->need_load_generic = 1;
|
2007-10-23 14:24:06 -04:00
|
|
|
priv->mode = T_UNINITIALIZED;
|
2007-11-16 05:46:14 -05:00
|
|
|
priv->i2c_props.addr = cfg->i2c_addr;
|
|
|
|
priv->i2c_props.adap = cfg->i2c_adap;
|
2007-10-23 14:24:06 -04:00
|
|
|
priv->video_dev = video_dev;
|
2007-11-16 05:46:14 -05:00
|
|
|
priv->tuner_callback = cfg->callback;
|
2007-10-24 08:22:08 -04:00
|
|
|
priv->max_len = 13;
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
mutex_init(&priv->lock);
|
|
|
|
|
2007-11-01 16:47:42 -04:00
|
|
|
list_add_tail(&priv->xc2028_list, &xc2028_list);
|
2007-10-23 14:24:06 -04:00
|
|
|
}
|
2007-11-16 05:46:14 -05:00
|
|
|
|
|
|
|
fe->tuner_priv = priv;
|
2007-10-29 16:38:59 -04:00
|
|
|
priv->count++;
|
2007-10-23 14:24:06 -04:00
|
|
|
|
|
|
|
memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops,
|
2007-11-01 16:47:42 -04:00
|
|
|
sizeof(xc2028_dvb_tuner_ops));
|
2007-10-23 14:24:06 -04:00
|
|
|
|
|
|
|
tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
|
|
|
|
|
2007-11-16 05:46:14 -05:00
|
|
|
return fe;
|
2007-10-23 14:24:06 -04:00
|
|
|
}
|
2007-11-16 05:46:14 -05:00
|
|
|
|
2007-07-18 09:29:10 -04:00
|
|
|
EXPORT_SYMBOL(xc2028_attach);
|
|
|
|
|
2007-10-23 14:24:06 -04:00
|
|
|
MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver");
|
2007-10-29 22:44:18 -04:00
|
|
|
MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>");
|
2007-10-23 14:24:06 -04:00
|
|
|
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
|
|
|
|
MODULE_LICENSE("GPL");
|