-u32 lx_plx_mbox_read(struct lx6464es *chip, int mbox_nr)
-{
- int index;
-
- switch (mbox_nr) {
- case 1:
- index = ePLX_MBOX1; break;
- case 2:
- index = ePLX_MBOX2; break;
- case 3:
- index = ePLX_MBOX3; break;
- case 4:
- index = ePLX_MBOX4; break;
- case 5:
- index = ePLX_MBOX5; break;
- case 6:
- index = ePLX_MBOX6; break;
- case 7:
- index = ePLX_MBOX7; break;
- case 0: /* reserved for HF flags */
- snd_BUG();
- default:
- return 0xdeadbeef;
- }
-
- return lx_plx_reg_read(chip, index);
-}
-
-int lx_plx_mbox_write(struct lx6464es *chip, int mbox_nr, u32 value)
-{
- int index = -1;
-
- switch (mbox_nr) {
- case 1:
- index = ePLX_MBOX1; break;
- case 3:
- index = ePLX_MBOX3; break;
- case 4:
- index = ePLX_MBOX4; break;
- case 5:
- index = ePLX_MBOX5; break;
- case 6:
- index = ePLX_MBOX6; break;
- case 7:
- index = ePLX_MBOX7; break;
- case 0: /* reserved for HF flags */
- case 2: /* reserved for Pipe States
- * the DSP keeps an image of it */
- snd_BUG();
- return -EBADRQC;
- }
-
- lx_plx_reg_write(chip, index, value);
- return 0;
-}
-
-